Search Results — 2000 specimen records retrieved (1892 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD109820  Abronia villosa Geoffrey Levin 1975-4-5 461 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR234277  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. Comment
  UCR248052  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  UCR248475  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3154 Riverside Mojave Desert, Southern section of the Mecca Hills, c. 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other 37 Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  RSA709872  Acacia greggii Scott D. White 2005-7-6 11153 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. 579 Comment
  OBI61045  Acamptopappus sphaerocephalus Patrick A. Holden 1969-4-23 782 Riverside Along old hwy 62, 3 mi n of jctn with hwy 60 Comment
  SFV11426  Acamptopappus sphaerocephalus M. L. Vincent, R. H. Swade 1963-10-19 461 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
  SJSU5450  Acamptopappus sphaerocephalus R. C. McGehee 1970-4-30 247 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  UCR178159  Achillea millefolium John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA191422  Achnatherum coronatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6607 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Stat. 610 Comment
  RSA770431  Achnatherum coronatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4868 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA771661  Achnatherum coronatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4909 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SBBG57027  Achnatherum occidentale subsp. pubescens R. Hoffmann 1929-9-8 Riverside Strawberry Valley 1645 Comment
  SD237294  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2011-4-1 38942 Riverside Peninsular Range: Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill. 409 Comment
  CAS-BOT-BC384714  Achyronychia cooperi Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  UCR134609  Achyronychia cooperi Marisa Sripracha, Kyle Boyd 2004-2-14 032 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  SEINET12558045 Image available Achyronychia cooperi Mary F. Spencer 1920-1 1436 Riverside Palm Springs, Colorado Desert 122 Comment
  SDSU13314  Acmispon glaber var. brevialatus Shawn Johnston, Calf. Taxonomy Class spring 2000 2000-4-1 11 Riverside Found on the side of the dirt road which leads down to the river on the North side. Comment
  SBBG67985  Acmispon maritimus var. brevivexillus M. N. Ackley 1928-3-31 546 Riverside Hidden Spring 304 Comment
  SD132392  Acmispon micranthus Jerilyn Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, on mesa top 609 Comment
  SEINET957536  Acmispon micranthus N. M. Fellows, A. C. Sanders 1986-1 188 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 488 Comment
  SD37809  Acmispon rigidus Edith A. Purer 1935-4-21 6473 Riverside Valley floor, near Palm Springs. Comment
  SD260049  Acmispon strigosus J. Andre 2012-4-11 20775 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi, east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. 729 Comment
  UCD104404  Acmispon strigosus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22140 Riverside Temescal Canyon, ca. 8 mi. s.e. of Corona. Comment
  UCR154623  Acourtia microcephala A. C. Sanders, Mike Misenhelter 2005-6-15 30990 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
  UCR201612  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside San Jacinto Mountains, hiking trail from K flat to Apple Canyon Road 1451 Comment
  JOTR36184  Adenophyllum porophylloides La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3333 Riverside Joshua Tree National Park. Queen Mountain: near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  OBI38341  Adenophyllum porophylloides A. C. Sanders, B. Pitzer, and D. Charlton 1986-3-3 6140 Riverside North foot of the Chuckwalla Mtns 2-3/4 mi SE of Desert Center. 366 Comment
  RSA0119991  Adenophyllum porophylloides Duncan S. Bell, Thomas Stoughton 2016-4-13 9261 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  RSA296168  Adenostoma fasciculatum Barry A. Prigge 1980-8-5 3866 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
  RSA390498  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1949-6-29 4309 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA453183  Adenostoma sparsifolium Kenneth R. Montgomery 1969-9-6 69 -20 Riverside Wilson Valley Road, 18 miles south of Hemet 1098 Comment
  RSA79036  Adenostoma sparsifolium E. K. Balls, Percy C. Everett 1952-11-18 18254 Riverside 200 yards east of Santa Rosa summit. 1494 Comment
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Jun 30 2012
  RSA598053  Adiantum capillus-veneris A. C. Copeland 2587 Riverside Temecula Canyon Comment
  SDSU14178  Adiantum jordanii Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 6 Riverside Santa Margarita Ecological Reserve. Up creek along east side of canyon from where Tornado road crosses Santa Margarita River. 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
  RSA221017  Agoseris grandiflora var. grandiflora E. W. Lathrop 1966-5-26 6345 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UC63089  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 Riverside in meadows of Thomas Valley; San Jacinto Mountains 1371 Comment
  UCR26995  Agoseris retrorsa E. W. Lathrop 1966-5-29 6393 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  POM14447  Agrostis idahoensis P. A. Munz 1922-7-6 6013 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UC36896  Agrostis pallens H. M. Hall June, 1901 2209 Riverside along water courses San Jacinto Mountains, vicinity of Strawberry Valley 1645 Comment
  LA206322  Agrostis scabra F. M. Reed; 1905-7-15 833 Riverside San Bernardino Mountains, Hunsaker Flats 1523 Comment
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Feb 1 2014
  UC862257  Alhagi maurorum W. T. Swingle and A. B. Stout 1922-11-15 Riverside Indio Coachella Valley (n of So. Pac. Ry.) Comment
  UCR8263  Alhagi pseudalhagi D. O. Clark 1969-7-2 s.n. Riverside Western Colorado Desert, Coachella Valley, 2 mi west of Mecca Comment
  RSA172212  Aliciella latifolia R. F. Thorne 1963-3-29 32392 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  JOTR35090  Aliciella latifolia subsp. latifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3541 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  UCR98433  Allium cratericola G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  SEINET182580  Allium fimbriatum I. W. Clokey, CB Clokey; B. Templeton 1930-4-15 4621 Riverside Gavilan Peak 600 Comment
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Mar 2 2014
  SD127566  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills, east edge of plateau remnant of ridge, east of Estelle Mountain, south of Dawson Canyon. Grassy opening in coastal sage scrub (recently burned) on clayey soil over cobble. 671 Comment
  RSA496377  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3053 Riverside Vail Lake area, 0.75 mi NW of dam, clay deposits on dissected bench, S flank Oak Mountian. 621 Comment
  RSA716726  Allium haematochiton Fred M. Roberts 2005-5-13 6190 Riverside Santa Ana Mtns.: vicinity of Elsinore Peak, along Main Divide Truck Tail, 0.72km W summit of Elsinore Peak. 1006 Comment
  UCR218069  Allium lacunosum var. lacunosum Steve Boyd 2010-5-26 12278 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  JOTR30649  Allium parishii La Doux, Tasha, Erin Babich 2008-4-21 1809 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  UCR202615  Allium parryi Scott D. White, Justin M. Wood 2008-6-17 12191 B Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  HSC84117  Allium praecox Dale McNeal 1981-3-30 2435 Riverside NE slope of Gavilan Peak, 0.6 mi. S of Cajalco Rd. on Gavilan Rd. Comment
  SD67629  Allium praecox I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet, steep slope, decomposed rock. 640 Comment
  RSA507476  Allophyllum divaricatum Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA783224  Allophyllum glutinosum J. D. Olmsted 1959-4-30 501 Riverside Foot of Spring Trail at Beacon Pines Ranch SW of Corona; 20 yards east of spring, Santa Ana River drainage 716 Comment
  RSA593984  Aloe saponaria Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 952 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA702271  Alopecurus saccatus Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2081 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  JOTR30695  Aloysia wrightii La Doux, Tasha, Jim Andre 2008-9-13 264 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR211464  Aloysia wrightii Tasha La Doux, Jim Andre 2008-9-13 264 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  RSA654880  Amaranthus arenicola T. B. Salvato, A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR54448  Amaranthus fimbriatus A. C. Sanders, E. J. Lawlor 1988-10-22 08723 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA652939  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside: Hillside area, along the S side of Dewey St., between Streeter Ave. and Palm Ave. 237 Comment
  RSA444675  Amaranthus retroflexus J. C. Roos 1965-8-4 s.n. Riverside Arlington Comment
  CLARK-A1528-1533  Ambrosia acanthicarpa John C. Roos 1965-9-26 Riverside San Jacinto Mountains Comment
  UCR92226  Ambrosia acanthicarpa D. L. Banks, Steve Boyd 1995-10-17 0756 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  CHSC95389  Ambrosia dumosa C. Spurrier; Way, M. J. 2001-6-14 6 Riverside Riverside County. Big Morongo Canyon Preserve, Kickapoo trail, 5.6 km north of State Water Company Entrance. 595 Comment
  LA202903  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  POM195887  Ambrosia dumosa Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  RSA643343  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 s.n. Riverside Coachella Valley: Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak. 274 Comment
  RSA676121  Ambrosia dumosa Scott D. White 2001-4-3 8250 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA760788  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 109 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UC1118439  Ambrosia dumosa H. S. Yates 1936-4-7 5416 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UCR241286  Ambrosia dumosa Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 54 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  SEINET10849245  Ambrosia dumosa David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2895 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  SD131197  Ambrosia pumila David B. Zippin 1991-5-30 138 Riverside 40 m W of Skunk Hollow Vernal Pool, Bachelor Mtn. Quad Comment
  CAS-BOT-BC272856  Ambrosia salsola Chet McGaugh 2004-2-25 s.n. Riverside Colorado Desert: Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  CAS-BOT-BC273001  Ambrosia salsola Mrs. J. C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  RSA0103315  Ambrosia salsola Jim M. Andre 2012-4-11 20707 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA798045  Ambrosia salsola J. Andre 2012-4-11 20845 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
  UCSB18239  Ambrosia salsola var. salsola Easley, Bill 1964-5-10 Riverside Roadside, State Highway 71, 4.9 miles N from Pinyon Flats Campground 944 Comment
  SBBG68008  Amorpha californica Anstruther Davidson -May-1893 Riverside Banning Comment
  POM184172  Amsinckia intermedia P. A. Munz 1932-3-24 12025 Riverside North of Lake Elsinore. 305 Comment
  RSA499893  Amsinckia intermedia Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert, Indio Rd. Comment
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Oct 23 2011
  UCR91420  Amsinckia intermedia Scott D. White 1995-4-5 2728 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR103725  Amsinckia menziesii A. C. Sanders, G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  POM14034  Amsinckia tessellata P. A. Munz, D. D. Keck 1922-4-15 4987 Riverside Near Moreno. Grain field. 366 Comment
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Mar 20 2011
  RSA770691  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4792 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JEPS49773  Amsonia tomentosa H. M. Hall May, 1905 6007 Riverside Cottonwood Pass e. Riverside Co., Cottonwood Mts., Cottonwood Pass Comment
  UC878733  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 1/2 mi. below Cottonwood Spring Comment
  UC878734  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 1/2 mi. below Cottonwood Spring Comment
  RSA654628  Anagallis arvensis Tim Traver 1981-5-11 40 Riverside 3841 Jackson, Riverside. Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  PASA79  Anemopsis californica Margaret Stason 1931-5-24 Riverside Marsh near Lake Elsinore Comment
  UC29461  Anisocoma acaulis H. M. Hall 1901-6-1 Riverside s side, wooded slopes and benches San Jacinto Mountains 1737 Comment
  RSA544294  Anthemis cotula Steve Boyd, Timothy S. Ross 1991-6-14 6353 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
  JEPS16181  Antirrhinum filipes Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4043 Riverside 3 mi n Shavers Summit (close to head of Los Palms Canyon); Joshua Tree National Monument 762 Comment
  UCR278899  Antirrhinum majus Mitch Provance 2011-7-3 17191 Riverside Santa Ana River Valley, Rubidoux, west corner of Rubidoux Blvd. and 28th St. 259 Comment
  CAS-BOT-BC372463  Antirrhinum nuttallianum A. C. Sanders 2011-3-29 38843 Riverside Meadowbrook area between Perris and Lake Elsinore along Highway 74 at Wasson Canyon Road and to c. 1/2 between Wasson and Hammack Ave., Edge of Gavilan Hills, Lake Elsinore 7.5' Q., Southeastern Range 500 Comment
  POM262976  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1941-4-19 176 Riverside Reche Canyon - 'Plateau' [Label indicates San Bernardino Co.] Comment
  UC1536018  Antirrhinum nuttallianum subsp. nuttallianum Robert F. Thorne and Earl Lathrop 1975-5-25 45547 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro (Mesa de Burro) 609 Comment
  UCR107748  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 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 S fork of Pechanga Creek 427 Comment
  UCR172249  Apiastrum angustifolium 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
  POM319710  Apium graveolens Patricia Wilder 1970-10-30 4844 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  RSA0126208  Arabis glabra R. Weatherby 1949-6-6 638 Riverside Santa Rosa Mtn. 2134 Comment
  RSA603885  Arabis perennans L. Haines, L. C. Erickson 1937-4-10 s.n Riverside Palms to Pines Hwy near road to Shumway. Comment
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Dec 17 2011
  POM354262  Arceuthobium campylopodum Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  RSA629165  Arctostaphylos Jon E. Keeley 1992-7-17 16805 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629462  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA629350  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15540 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  UC1137196  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-4-13 Riverside ne face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  RSA257633  Arctostaphylos glandulosa subsp. leucophylla Gary D. Wallace 1967-5-6 742 Riverside N. side of the San Jacinto Mtns. along the road between Idyllwild and Banning N of McMullen Flat. 1220 Comment
  RSA604867  Arctostaphylos glauca Scott D. White 1995-12-24 3801 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  RSA631754  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19269 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631797  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19567 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631820  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21810 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  SD28097  Arctostaphylos glauca Carl B. Wolf 1932-5-25 Riverside SW of Beaumont in Bad Lands, 0.5 mi. SW of summit of Moreno Grade 609 Comment
  POM367325  Arctostaphylos glauca var. glauca E. Crow 1929-4-7 322 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA633523  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22512 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633555  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21793 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633571  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21776 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633734  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16620 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633744  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22524 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633761  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22654 Riverside Road to Santa Rosa Mountain. 2000 Comment
  CLARK-A1528-1139  Arctostaphylos pringlei subsp. drupacea Sherri Stange 1980-5-26 Riverside San Jacinto Mountains 1523 Comment
  POM13664  Arctostaphylos pringlei subsp. drupacea P. A. Munz 1922-6-27 5864 Riverside Santa Rosa 2043 Comment
  POM49845  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8871 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA59196  Arctostaphylos pringlei subsp. drupacea Frank W. Gould 1943-4-18 2135 Riverside 8 miles east [NW] of Idyllwild Comment
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Sep 29 2011
  RSA271755  Arctostaphylos pungens J. Sauer, Richard Minnich 1977-4-7 5958 Riverside Upper Hurley Flat, San Jacinto Mountains 1311 Comment
  RSA635776  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16736 Riverside Morris Ranch Rd. (6S06), 4.2 km east of Hwy 74, Garner Valley, San Jacinto Mtns. 1650 Comment
  RSA635994  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21612 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  SD180728  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 414 Riverside Santa Margarita Ecological Reserve, off dirt road leading from southside facilities to inholding residences, ca. 200 meters west of houses and 10 meters south of dirt road. 167 Comment
  SEINET4085707  Argemone munita subsp. munita O. M. Clark 1932-1 5108 Riverside South Hemet. Comment
  RSA0042446  Argythamnia claryana Deidre Conocchioli, Duncan S. Bell 2014-3-4 148 Riverside 1.3 miles down dirt BLM road from paved 58th Avenue; 4WD road south of Lake Cahuila and La Quinta. Just northeast of mouth of Devil Canyon, east side of Santa Rosa Mountains, west edge of Coachella Valley 37 Comment
  SEINET10903238  Argythamnia lanceolata Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6425 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35. Frequent In wash bottoms. A subshrub. 290 Comment
  CAS-BOT-BC137652  Aristida adscensionis C. L. Hitchcock 1940-3-30 s.n. Riverside Cottonwood Spring. Comment
  RSA675739  Aristida adscensionis Scott D. White, W. LaHaye 2001-4-28 8431 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  UCR163083  Aristida adscensionis B. G. Pitzer 2000-5-7 4137 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR180225  Aristida adscensionis Scott D. White, Pam Devries 2006-3-14 11251 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR2157  Aristida adscensionis F. M. Reed 1920-3-24 4216 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCR275540  Aristida adscensionis D. E. Bramlet 2010-3-1 4455 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  SEINET10971745  Aristida adscensionis David B. Dunn 1946-3-15 Dunn 2035 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
  POM219941  Aristida adscensionis var. modesta F. R. Fosberg 1932-3-13 8102 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  JOTR29526  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  UCD56552  Aristida purpurea var. nealleyi F. M. Reed 1920-5-9 4316 Riverside Colorado Desert, mouth of Andreas Canon. 304 Comment
  UCR19678  Aristida purpurea var. nealleyi John C. Roos, Lucille Roos 1949-4-11 4242 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake Comment
  SD233728  Artemisia douglasiana A. C. Sanders, Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  IRVC493  Artemisia dracunculus R. H. Whittaker, W. A. Niering 1963-6-11 SJ 391 Riverside Summit Toro Peninsular Ranges, Santa Rosa Mountains 2652 Comment
  JEPS26594  Artemisia dracunculus Peter Kamb 1948-10-31 1285 a Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  SEINET218666  Artemisia dracunculus Patricia Wilder 1971-3-20 4883 Riverside Riverside County: In dry areas along Santa Ana River at end of Pedley Street, Norco; south side of river. 244 Comment
  JOTR33674  Artemisia ludoviciana subsp. incompta La Doux, Tasha 2003-9-24 1589 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  RSA741735  Artemisia ludoviciana subsp. ludoviciana Michael Wall 2008-10-3 490 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  RSA721889  Asclepias albicans J. Mark Porter, Orlando Mistretta 2003-6-5 13615 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running southeast. 412 Comment
  SD259960  Asclepias albicans J. Andre 2012-4-11 20788 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Sutah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky (granitic) hills and large wash. 729 Comment
  UCR14773  Asclepias eriocarpa A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 604 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  UCR23408  Asclepias subulata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe airport 75 Comment
  SDSU17486  Aspidotis californica Jerry Jenkins 2001-3-30 2001 -006 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  UCR89799  Aspidotis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3341 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
  POM17575  Aster bernardinus Dr H. Baer 1923-9-23 s.n. Riverside 2 miles S of Murietta. Comment
  POM153374  Aster frondosus Philip A. Munz, I. M. Johnston 1928-9-12 11246 Riverside North end of Lake Elsinore. Comment
  UCR277761  Aster subulatus Mitch Provance 2012-11-10 1112- 03 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  RSA417656  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-4 1335 Riverside Santa Ana River at Chino Creek 183 Comment
  RSA575923  Aster subulatus var. ligulatus Steve Boyd 1994-9-29 8363 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  CAS-BOT-BC177465  Astragalus aridus H. M. Hall 1905-4-1 5826 Riverside Near Indio 0 Comment
  RSA49360  Astragalus bernardinus P. A. Munz 1949-4-11 13006 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  UC710909  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside between Cottonwood Spgs and Pinto Basin; between Cottonwood Spgs and Pinto Basin Comment
  POM228205  Astragalus crotalariae A. M. Alexander, Louise Kellogg 1941-3-2 1881 Riverside Roadside 5 miles south of Valerie. Comment
  RSA600858  Astragalus didymocarpus K. Watkins, E. McClintock 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  RSA90159  Astragalus didymocarpus var. dispermus F. W. Peirson 1918-03 579 Riverside Coachella Valley, field near Indio. Comment
  CAS-BOT-BC182633  Astragalus didymocarpus var. obispoensis Carl B. Wolf 1935-4-7 6301 Riverside Gavilan Hills Region. 1 mi. SW. of Perris 426 Comment
  CAS-BOT-BC182645  Astragalus douglasii A. C. Sanders; D. Malueg 2003-5-8 26563 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UC73262  Astragalus douglasii var. douglasii Miss M. A. King 1893-1 Riverside Menifee Comment
  POM1998  Astragalus douglasii var. parishii H. M. Hall 1901-06 2229 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  SBBG133360  Astragalus douglasii var. parishii S. D. White, J. M. Wood 2008-6-5 12079 Riverside Garner Valley, Hwy 74 at Thomas Mtn Rd, SW corner of junction, San Jacinto Mtns 1326 Comment
  RSA525226  Astragalus gambelianus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4604 -A Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR18937  Astragalus insularis var. harwoodii John C. Roos, Lucille Roos 1949-4-10 4222 Riverside Sonoran (Colorado) Desert, N base of the Chuckwalla Mountains Comment
  SDSU7941  Astragalus lentiginosus K. Larson 1975-4-24 1528 Riverside 10 miles northwest Palm Springs Creek rd. Comment
  RSA90166  Astragalus lentiginosus var. borreganus F. W. Peirson 1924-12-29 5402 Riverside Near Garnet, northeast of Palm Springs Comment
  CAS-BOT-BC187158  Astragalus lentiginosus var. coachellae Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6488 Riverside Chuckwalla Valley, 9.5 miles northeast of Desert Center 167 Comment
  LA204980  Astragalus lentiginosus var. coachellae Harlan Lewis; 1937-3-7 sn Riverside White Water 304 Comment
  SBBG47488  Astragalus lentiginosus var. floribundus M. B. Dunkle 1935-3-17 4402 Riverside Desert Center 609 Comment
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Apr 5 2011
  UCR23854  Astragalus nuttallianus John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  CLARK-A1045-88  Astragalus pachypus var. jaegeri George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains junction of Bee Canyon Road and San Jacinto Ridge Road; Lake Fulmor 7.5'Q Comment
  POM24215  Astragalus pachypus var. jaegeri S. B. Parish 1880-06 1134 Riverside 5 miles south of Temecula Comment
  POM26519  Astragalus palmeri H. M. Hall 1902-04 2773 Riverside Coyote Canyon 305 Comment
  POM308355  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3028 Riverside Santa Rosa Mountains. 1220 Comment
  RSA593378  Astragalus palmeri Scott D. White 1996-7-23 4358 -A Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  SBBG28436  Astragalus palmeri D. Myrick 1964-4-30 821 Riverside Hwy 74, 15 mi W of Palm Desert 1219 Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  RSA0003064  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  POM15204  Astragalus sabulonum Mary F. Spencer 1922-3-29 1655 Riverside Mecca -49 Comment
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Feb 17 2013
  RSA0006865  Astragalus tricarinatus J. B. Feudge 1926-5-9 1462 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  RSA627502  Athyrium filix-femina Scott D. White 1998-7-31 6942 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA692505  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA779583  Atrichoseris platyphylla Duncan S. Bell 2009-3-7 15 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SBBG104071  Atrichoseris platyphylla A. C. Sanders, E. J. Lawlor 1992-4-4 12105 Riverside within 0.5 mi of McCoy Spring, on alluvial slopes below and to the S, and on cyn bottom above the spring 243 Comment
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UC566697  Atrichoseris platyphylla Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR279510  Atrichoseris platyphylla A. C. Sanders, Jim Malusa 2017-3-27 43115 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
  SD174864  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of junction Ellis Avenue and first road east of I-215. Perris 7.5' quad. 427 Comment
  POM278665  Atriplex canescens Grant D. Brown 1949-12-14 471 Riverside 1/2 mile west of Indio city limits on Hwy 99. Comment
  UC538043  Atriplex canescens W. M. Ingram October 1934 Riverside Edom Comment
  UC850759  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  UC850766  Atriplex canescens Lewis S. Rose 1938-12-17 38316 Riverside Palm Springs Palm Springs (Desert washes) 137 Comment
  CAS-BOT-BC170227  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-10-31 324 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. 167 Comment
  SD174863  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of jct Ellis Avenue and first road east of I-215. Perris 7.5' quad. 427 Comment
  UCR253012  Atriplex coronata var. notatior Ana Hernandez, Rose Cook 2013-4-12 042 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 760 meters west of Warren Road, Upper Salt Creek, Hemet 457 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
  UCR90767  Atriplex davidsonii D. E. Bramlet 1993-5-16 2354 Riverside San Jacinto Valley, 5.8 km west of Hemet, 732m south of Florida Avenue and 244m west of Warren Road, 549m east of the MWD canal and 30m east of the San Diego Aqueduct. 456 Comment
  CAS-BOT-BC170254  Atriplex hymenelytra G. P. Rixford 1911-4-1 s.n. Riverside 10 miles SE of Mecca Comment
  UCR274800  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-3-27 041 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  UCR33641  Atriplex hymenelytra Faulkner 1978-3-21 335 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR131023  Atriplex polycarpa Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  POM78943  Atriplex serenana I. M. Johnston 1923-7-19 s.n. Riverside Norco-Pedley Road 4 mi. SSE of Wineville. Comment
  IRVC1476  Avena fatua Don Pfirrmann 1965-4-24 HS 78 Riverside Highway 74; 1/4 mile SE of Sven Camp summit. Comment
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Mar 30 2014
  UCR138823  Avena fatua D. L. Banks 1997-2-23 1298 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  CAS-BOT-BC145738  Avena sativa John Thomas Howell 1960-3-24 35146 Riverside Hemet. Comment
  CLARK-A1528-5226  Baccharis brachyphylla John C. Roos 1949-9-17 4659 Riverside Whitewater Wash 548 Comment
  UC774847  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11437 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  UCR25196  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 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
  RSA657170  Baccharis salicifolia Bob Rogers 1984-4-14 5 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center 610 Comment
  JOTR35422  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  SD137907  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-17 804 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National forest; along lower Arroyo Seco. 730 Comment
  SEINET2045192 Image available Baccharis sergiloides K. Kirtland 1986-5-13 Riverside Homewood Canyon, Argus Range: T23S, R42E,S1/2, S35 1128 Comment
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Aug 28 2016
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  OBI15350  Bahiopsis parishii H. E. McMinn 1935-6-27 4063 Riverside Palms to Pines Comment
  RSA342557  Bahiopsis parishii R. F. Thorne, W. A. Tilforth 1980-5-28 54207 Riverside San Bernardino Mtns: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  CAS-BOT-BC99969  Baileya pauciradiata Ira L. Wiggins 1938-3-19 8900 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  JOTR16567  Bebbia juncea Hogan, J. 1975-11-1 191 Riverside Joshua Tree National Park. MIDDLE OF WASHINGTON WASH, 1/4 MILE SW OF HEXIE MOUNTAINS 1066 Comment
  RSA189408  Bebbia juncea L. S. Rose 1966-12-14 66111 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA643333  Bebbia juncea R. D. Goeden, D. W. Ricker 1980-3-20 s.n. Riverside Colorado Desert: Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  RSA695624  Bebbia juncea Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCR143338  Bebbia juncea I. W. Clokey 1935-4-17 6966 Riverside Sonoran (Colorado) Desert, Shavers Well 274 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
  SEINET10616170  Bebbia juncea David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2869 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100126  Bebbia juncea var. aspera H. M. Hall; L. A. Greata 1905-5-2 5969 Riverside Chuckawalla Mts. Comment
  CLARK-A1656-657  Beloperone californica Lois Ann Scott 1978-4-21 Riverside San Jacinto Mountains 152 Comment
  CAS-BOT-BC207046  Bernardia incana Lester Rowntree 1937-11-5 s.n. Riverside Dos Palmas, Santa Rosa Mts. Comment
  CAS-BOT-BC207050  Bernardia incana Annie M. Alexander; Louise Kellogg 1941-5-10 2144 Riverside Small canyon 3 miles northeast of Cottonwood Spring, Eagle Mountains 1036 Comment
  RSA78375  Bernardia incana J. C. Roos 1950-12-2 5027 Riverside Monson Canyon, Eagle Mountains. 1067 Comment
  JEPS5208  Bloomeria crocea W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1334 Riverside Van Deventer's Ranch Comment
  SEINET7072854  Bloomeria crocea A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UC3232  Bloomeria crocea H. M. Hall 1901-6-1 2101 Riverside San Jacinto Mountains; s side 1463 Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA0125971  Boechera Scott D. White, Justin M. Wood 2008-7-8 12374 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SBBG72283  Boechera arcuata M. N. Ackley -May-1929 Riverside Tahquitz 2438 Comment
  UCR13711  Boechera californica N. R. Zabriskie, W. W. Zabriskie 1972-6-18 524 Riverside Peninsular Range; San Jacinto Mtns., along fire road south of the S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild 1939 Comment
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Dec 25 2013
  UC667362  Boechera pulchra Annie M. Alexander and Louise Kellogg 1941-5-19 2201 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert 975 Comment
  RSA770620  Boerhavia Robert F. Thorne 1966-10-15 41813 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  JOTR30751  Boerhavia triquetra La Doux, Tasha, Jim Andre 2007-9-6 134 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  JOTR29271  Boerhavia triquetra var. intermedia La Doux, Tasha 2005-8-17 1541 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  JOTR35017  Boerhavia triquetra var. intermedia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3115 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  UCR142642  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, Chet McGaugh 1991-7-19 11148 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR275582  Bolboschoenus maritimus subsp. paludosus T. B. Salvato 2005-6-13 605- 13 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
  RSA129300  Bothriochloa barbinodis A. Lewis 1934-04 375 Riverside Tin Mine Canyon. 457 Comment
  UCR151361  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  RSA450461  Bouteloua barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  RSA778395  Bouteloua barbata Amber Swanson, Linda Jean Foster 2011-10-8 640 Riverside Large wash off Blythe Rice Rd 270 Comment
  UCD56853  Bouteloua barbata S. B. Parish 1912-6-28 8102 Riverside Mecca. Salton Basin. Comment
  UCR230604  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  JOTR16777  Bouteloua curtipendula Hogan, J. 1974-6-13 19 Riverside Joshua Tree National Park. QUEEN VALLEY, 1.9 MILES SOUTH OF PINE SPRING 1356 Comment
  POM274196  Bouteloua curtipendula J. C. Roos 1948-8-27 2786 Riverside Near Pinon Flat, Santa Rosa Mountains. 1372 Comment
  POM159823  Bowlesia incana E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  UCR98073  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19899 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  UCR189571  Boykinia rotundifolia Theresa Johnson 2006-7-18 234 Riverside Santa Ana Mountains, on border of Riverside/ Orange County off the lower Holy Jim Trail 1232 Comment
  CLARK-A1528-5384  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  POM7546  Brandegea bigelovii P. A. Munz, R. D. Harwood 1920-4-2 3564 Riverside Between Blythe Junction and Blythe 305 Comment
  RSA708487  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  SBBG69427  Brandegea bigelovii M. N. Ackley 1928-3-31 120 Riverside Painted Cyn 243 Comment
  UCR275352  Brassica rapa T. B. Salvato, Melissa Clemons 2005-6-9 1495 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  CAS-BOT-BC36846  Brassica tournefortii John H. Thomas 1949-2-28 46 Riverside Between Banning and Palm Springs. Comment
  RSA483138  Brassica tournefortii Christopher Davidson, B. Gustafson 1977-4-7 5573 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  RSA653550  Brassica tournefortii Scott D. White 1999-5-24 7406 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA774896  Brassica tournefortii Duncan S. Bell, Amber Swanson 2011-2-18 2031 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR239806  Brassica tournefortii O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  RSA93718  Brickellia arguta F. W. Peirson 1928-4-24 7900 Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  UCR176894  Brickellia californica Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  RSA725435  Brickellia californica var. californica Michael Wall 2007-10-19 440 Riverside San Jacinto Valley, Bautista Creek drainage, on flats above Bautista Creek, ca. 6.5 miles miles SE of jct. with Fairview Ave. 753 Comment
  CAS-BOT-BC106194  Brickellia desertorum S. B. Parish 1896-4-2 s.n. Riverside Andreas Canyon, Palm Springs - Colorado Desert Comment
  LA203084  Brickellia desertorum Carl Epling; 1937-11-26 Riverside White Tank, Twentynine Palms Comment
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Jun 14 2013
  RSA69831  Brickellia desertorum J. C. Roos 1951-10-19 5328 Riverside Gilman Hot Springs 459 Comment
  RSA89877  Brickellia desertorum J. C. Roos, L. Roos 1950-9-30 4995 Riverside rocky hills midway between Steele Pk. and Elsinore. (about 3 mi. N of Elsinore) 488 Comment
  UCR191212  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 910 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  UCR218077  Brodiaea santarosae Steve Boyd 2010-5-28 12282 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers 1012 Comment
  UCR182519  Brodiaea terrestris subsp. kernensis Mitch Provance 2005-5-17 6566 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  CAS-BOT-BC149330  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside 8th Street, Riverside. Comment
  RSA0014445  Bromus diandrus Justin M. Wood 2010-3-4 1418 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  UCR183174  Bromus diandrus Mitch Provance 2003-5-5 4400 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM122857  Bromus grandis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UC1537244  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 81 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  SDSU955  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  UCR233068  Bromus rubens Edith B. Allen 2012-2-6 212- 03 Riverside Peninsular Range; Gavilan Hills Area, south side of Lake Mathews, 1.36 km SE (131 deg. ) of intersection of Cajalco Rd. and La Sierra Ave. 441 Comment
  RSA495420  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2892 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA586130  Bromus rubens D. L. Banks 1995-4-11 173 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail., 33 deg 26' 18''N-116 deg 58' 27''W. 950 Comment
  RSA772333  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4514 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0019728  Bromus tectorum E. W. Lathrop 1966-5-15 6321 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 436 Comment
  JOTR31864  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA517252  Caesalpinia virgata Steve Boyd 1986-2-18 1322 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UC667278  Caesalpinia virgata Annie M. Alexander and Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas; Colorado Desert Comment
  UC700985  Calandrinia ambigua Aven and Ruth Nelson 1939-3-29 3326 Riverside near Palm Grove (at Hidden Springs at the Mecca road) Comment
  UCR117326  Calandrinia ciliata Mitch Provance 1998-6-11 650 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  UCR162412  Calandrinia ciliata S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  CAS-BOT-BC85770  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  SD229033  Calocedrus decurrens Dick Schwenkmeyer 2012-6-27 734 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  SD229034  Calocedrus decurrens Dick Schwenkmeyer 2012-8-7 786 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR132932  Calochortus concolor 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
  RSA0000326  Calochortus palmeri var. munzii Philip A. Munz, Percy C. Everett 1950-6-23 14915 Riverside 2 mi. n.w. of Pipe Creek, south end of San Jacinto Mts. 1402 Comment
  RSA501018  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3137 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  SEINET10834209  Calochortus splendens David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20765 Riverside Coll. At the jct. Of hwy. 74 & 71. A gas station on the sw corner. Area Generally chaparal with shaggy adenostema Comment
  RSA91031  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2171 Riverside Dripping Springs, Temecula River 457 Comment
  RSA234072  Calycadenia tenella R. F. Thorne 1969-5-19 37980 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA642610  Calycadenia tenella Darin L. Banks, Mike Kinney 1998-6-8 2219 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  UCR78440  Calycadenia tenella Scott D. White 1993-4-20 1210 Riverside Estelle Peak, Gavilan Hills 826 Comment
  JOTR34060  Calycoseris parryi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2958 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UCR116626  Calyptridium monandrum A. C. Sanders 2001-3-20 23848 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR231811  Calyptridium monandrum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 05 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  POM12758  Calyptridium parryi P. A. Munz 1922-7-6 6004 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  UCR278863  Calystegia macrostegia subsp. intermedia Mitch Provance 2011-6-15 17102 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  POM12924  Calystegia occidentalis subsp. fulcrata P. A. Munz 1922-6-27 5843 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  UCR57202  Calystegia sepium subsp. binghamiae Marlene Braun 1989-5-28 39 Riverside Hidden Valley Wildlife Refuge, entrance at the end of Mann Ave. in Mira Loma. Follow dirt trail 1/4 mi S to river bottom Comment
  RSA750323  Camissonia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16249 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  UC68590  Camissonia H. M. Hall Apr. 1905 5833 Riverside near Mecca; Colorado Desert -30 Comment
  POM281152  Camissonia bistorta Ethel Rush 1951-4-12 174 Riverside Roadside 5 miles south of Temecula. Hyway 79. 457 Comment
  RSA449956  Camissonia bistorta J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  UCR154407  Camissonia bistorta A. C. Sanders, Mike Misenhelter 2005-6-15 30944 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
  UCR20791  Camissonia bistorta A. C. Sanders, Steve Boyd 1980-5-2 1416 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR268276  Camissonia bistorta Jim Andre 2012-6-15 30501 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR114142  Camissonia boothii B. G. Pitzer, J. Ross 1998-3-8 3601 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA201058  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-27 3013 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  HSC16493  Camissonia californica R. A. Eagle 1964-3-28 22 Riverside 6.3 mi. out of Palm Springs on the Thunderbird Rd. Comment
  RSA137350  Camissonia californica David Gregory 1958-4-11 2 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  RSA144625  Camissonia californica William M. Klein, H. Latimer, A. Griffiths 1958-5-16 266 Riverside 4 miles E of Redlands along Highway 70-99, coastal sage scrub Comment
  POM50372  Camissonia campestris subsp. campestris W. W. Eggleston 1924-3-8 19520 Riverside Hemet. 480 Comment
  POM14192  Camissonia cardiophylla P. A. Munz, D. Keck 1922-4-9 4772 Riverside Shavers Well, near Mecca. 76 Comment
  RSA176311  Camissonia cardiophylla Robert F. Thorne, Robert Rutherford 1964-4-10 33551 a Riverside Palm Springs. 305 Comment
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Apr 25 2011
  SEINET3093255 Image available Camissonia claviformis John Adams 1966-3-12 446 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  POM294425  Camissonia claviformis subsp. aurantiaca Lyman Benson 1949-3-28 13574 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road. Mt. Range Santa Rosa. 305 Comment
  RSA135304  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside Box Canyon 5.5 miles south-east of Painted Canyon turnoff. Comment
  RSA449185  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-3-15 3034 Riverside North of Palm Springs. 122 Comment
  UCR104035  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2655 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA766614  Camissonia claviformis subsp. peirsonii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 174 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  POM158464  Camissonia confusa P. A. Munz 1927-5-20 10819 Riverside 10 miles S. of Hemet. Comment
  RSA291561  Camissonia confusa C. W. Tilforth, B. Busenberg 1980-6-17 2000 Riverside Slopes above wash 0.1 mi. in from Hiway 74 along north leg of Thomas Mtn. Rd., south of Lake Hemet. Comment
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  UCR176187  Camissonia hirtella Amber Bruno 2005-4-14 17 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
  POM3272  Camissonia ignota I. M. Johnston 1918-4-27 1875 Riverside Near Corona. 274 Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  RSA186574  Camissonia pallida subsp. hallii Peter H. Raven 1962-4-7 17109 Riverside Whitewater Canyon 2.7 miles from U.S. Highway 70-99. Comment
  RSA718877  Camissonia pallida subsp. pallida Michael Honer, L. Hulse 2005-3-7 2028 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA449046  Camissonia refracta E. C. Jaeger 1922-3-29 725 Riverside Box Canon, near Mecca, Colorado Desert 91 Comment
  RSA735318  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11283 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA162861  Camissonia strigulosa J. D. Olmsted 1959-4-10 348 Riverside Along Hwy. 60-99 [Hwy 10] near Cabazon; Mt. Range: San Gorgonio Pass; Drainage area: Whitewater River. 671 Comment
  RSA186600  Camissonia strigulosa Peter H. Raven 1958-5-18 12973 Riverside Hemet Meadows, San Jacinto Mountains. Comment
  RSA673732  Camissonia strigulosa Scott D. White, Bill La Haye 2000-5-27 7957 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SDSU3409  Camissonia strigulosa H. Wedberg 1958-4-4 228 Riverside On Reche Canyon Road, about 6.3 miles south of Barton Road. Comment
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Jan 24 2013
  SBBG93053  Camissoniopsis bistorta G. Ballmer 1990-5-5 Riverside SE boundary of San Jacinto Potrero land grant, just N of the Colorado River aqueduct, where rd crosses creek at the mouth of unnamed cyn to the E Comment
  SDSU3360  Camissoniopsis hirtella H. Wedberg 1958-3-30 190 Riverside Between Upper San Juan Campground and Highway 74, north-west from the actual campground and over the stream. On dry gravelly slope. Comment
  UC56873  Camissoniopsis ignota H. M. Hall Apr. 1903 3806 Riverside vicinity of Riverside 396 Comment
  SBBG101667  Camissoniopsis intermedia S. Boyd 1991-5-20 6273 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  UCSB4515  Camissoniopsis pallida subsp. hallii Haller, John 1957-3-23 Riverside Mouth of Morongo Canyon, ca. 8 road, miles N. of US 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  UCR23552  Capsella bursa-pastoris John C. Roos 1966-3-24 s.n. Riverside Hemet, in a vacant lot Comment
  UC212056  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Lee Lake Temescal Canyon 335 Comment
  CAS-BOT-BC32469  Carex jacintoensis Harvey Monroe Hall 1901-7-1 2483 Riverside San Jacinto Mountains. Tamarack Valley. 2743 Comment
  RSA633879  Carex nebrascensis Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38142 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA199002  Carex praegracilis Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37599 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  SEINET7572181 Image available Carex praegracilis Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at the southeastern base of "Rocky Bluff Ridge", east of Estelle Mountain and south of the Gavilan Plateau. 610 Comment
  CAS-BOT-BC117864  Carex sartwelliana Mrs. C. M. Wilder 1909-1-1 s.n. Riverside San Jacinto Mountains. Strawberry Valley. Comment
  CAS-BOT-BC117871  Carex sartwelliana P. M. Kamb 1947-5-17 525 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SEINET7575123 Image available Carex senta Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7664 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA508010  Carex subfusca Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2297 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UC72392  Carex subfusca H. M. Hall July, 1901 2416 Riverside near summit San Jacinto Mountains 3291 Comment
  UC406687  Castela emoryi Marcus E. Jones, A. M. 1929-9-16 24994 Riverside Hayfields , Hayfields (near Desert Center) Comment
  POM158431  Castilleja affinis Philip A. Munz 1927-5-21 10886 Riverside 15 miles south of Hemet. Comment
  RSA525425  Castilleja affinis Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4533 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  RSA448691  Castilleja applegatei subsp. martinii Lon E. Bell 1940-05 s.n. Riverside San Jacitno Comment
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Feb 15 2013
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  UCR49780  Castilleja densiflora B. G. Pitzer 1987-4-11 477 Riverside Santa Ana Mtns., Santa Rosa Plateau area, on Clinton Keith Road, c. 4.3 mi east of Palomar Street and 0.5 mi. east of the Nature Conservancy Preserve entrance 564 Comment
  RSA775227  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1097 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UCR25604  Castilleja exserta John C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  UCR164566  Castilleja foliolosa S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR44195  Castilleja foliolosa A. C. Sanders 1986-6-1 6541 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  VVC476  Castilleja foliolosa A. C. Sanders, J. Mac 1997-5-4 20664 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
  UCR193891  Castilleja minor subsp. spiralis A. C. Sanders, Mitch Provance 2008-7-11 35814 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
  UC1608299  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6749 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr in N-fork Bear Creek (San Mateo Cyn Wilderness Area); Santa Ana Mountains, San Mateo Cyn Wilderness Area 670 Comment
  UCR225188  Caulanthus heterophyllus Steve Boyd, Susan Jett 2008-3-20 11832 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  POM97125  Caulanthus heterophyllus P. A. Munz 1925-5-20 9825 Riverside 2 miles W of Dripping Spring. 427 Comment
  RSA562428  Caulanthus lasiophyllus var. rigidus D. Bramlet 1993-4-13 2323 a Riverside Approxiamtely 61m S of the existing Lake Mathews access road, some 549m N of Cajalco road, in the Cajalco bend area. The site is 1.2km W of Lake Mathews Drive. Comment
  CAS-BOT-BC39659  Caulanthus simulans Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto. Comment
  UC64615  Caulanthus simulans H. M. Hall May 17, 1901-Jun 1, 1901 Riverside Coahuilla , summit Nigger Jim Hill 1524 Comment
  POM12069  Ceanothus crassifolius Mary F. Spencer 1921-4-19 760 Riverside Banning. Comment
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Mar 13 2011
  SD262944  Ceanothus crassifolius Susan T Welker 1993-2-22 Riverside West of Temecula. Along Rancho California Rd., approx 2 mi. from Temecula Valley 398 Comment
  UC1071024  Ceanothus crassifolius A. Lewis 1933-2-2 153 Riverside 2 mi w Oak Mt.; San Jacinto quad 609 Comment
  UCR43478  Ceanothus crassifolius R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60628 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  UCR90987  Ceanothus crassifolius Scott D. White 1996-3-31 3873 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  POM280875  Ceanothus cuneatus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA575063  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -D 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
  UCR49763  Ceanothus cuneatus 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
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  RSA289813  Ceanothus greggii var. perplexans Barry A. Prigge 1980-8-12 3924 Riverside San Bernardino Mountains, Whitewater Canyon: 1.5 miles upstream from trout farm. 808 Comment
  OBI5802  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts 1-6/10 mi S of Idylwild on road to Tauquitz Lodge Comment
  UCR174562  Ceanothus leucodermis Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 343 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR23264  Ceanothus leucodermis J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR823  Ceanothus leucodermis Robert A. Hawthorne 1957-4-18 s.n. Riverside Peninsular Range, US Hwy 395, 4 miles south of Temecula 366 Comment
  CHSC8459  Ceanothus megacarpus var. megacarpus Edward Laidlaw Smith 1958-3-6 351 Riverside Coldwater Canyon, Glen Ivy, on Temescal Canyon Road. Santa Ana Mt. Range. Temescal Creek drainage area. 762 Comment
  RSA398912  Ceanothus oliganthus Anstruther Davidson 1921-4-1 3406 Riverside Banning. Comment
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Mar 27 2011
  CAS-BOT-BC51647  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7918 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  RSA221090  Ceanothus palmeri E. W. Lathrop 1966-3-30 6120 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  LA44916  Ceanothus perplexans H. Lewis; 1939-4-9 sn Riverside Pines to Palms Highway 761 Comment
  RSA552723  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6765 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  POM14281  Ceanothus tomentosus var. olivaceus P. A. Munz 1922-4-30 5131 Riverside St. John's Grade, south of Hemet. Comment
  CDA7290  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  UCR26085  Centaurea repens John C. Roos, L. Roos 1951-10-24 5335 Riverside City of Riverside, between Arlington area and Pedley 229 Comment
  SD136925  Centaurea solstitialis Steve Boyd, Tim Ross 1994-9-14 8339 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area near junction of the Lucas Cyn and Verdugo trails 769 Comment
  SEINET10910151  Centaurium J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12851 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 several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  RSA735072  Centaurium venustum Scott D. White, Angelia Carey 2004-6-4 10477 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UC456205  Centaurium venustum I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 1219 Comment
  SD154107  Centromadia pungens subsp. laevis B. L. Jones 2003-5-29 Riverside Lake Elsinore area, just north of intersection of Corydon Road and Grand Road Comment
  SD227752  Centromadia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner / Domenigoni area: French Valley, E side of Washington Ave., near Rawson Rd. 451 Comment
  POM13108  Centrostegia thurberi P. A. Munz, I. M. Johnston 1922-5-21 5508 Riverside Kenworthy 1402 Comment
  SD6128  Centrostegia thurberi 1917-5-1 Riverside Mojave Desert near Hesperia Comment
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Nov 20 2011
  SEINET3086228 Image available Cerastium fontanum subsp. vulgare Penny Stead 1970-5-13 Riverside Found in lawn in front of A & I dorm, U.C.R. Comment
  UC1280946  Cercidium floridum subsp. floridum H. E. McMinn 1937-3-5 4494 Riverside 4 mi n highway <from> Mecca to Desert Center; Cottonwood Mts. Comment
  UC1595719  Cercidium floridum subsp. floridum W. Wisura, J. Dolan, and M. Wall 1992-3-24 4620 Riverside on Box Canyon Rd. 5.5 mi ne Mecca; Lowdesert Comment
  HSC47359  Cercocarpus montanus var. glaber Richard Spjut, C. E. Edson 1978-4-24 4952 Riverside Along Hwy. 74, 3 mi. from jct. with Hwy. 71 in San Jacinto Mtns. 915 Comment
  UCR19838  Chaenactis artemisiifolia Henry E. Davis 1969-5-18 29 Riverside Beaumont Badlands, off Redlands Blvd., on top of ridge 1 mile from main road 734 Comment
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Sep 13 2015
  GMDRC9818  Chaenactis carphoclinia var. carphoclinia J. M. Andre 2017-3-1 38065 Riverside Coxcomb Mountains: north of Hwy 177 at JTNP boundary, 10.1 mi. NE of Desert Center (I-10) 159 Comment
  RSA731020  Chaenactis carphoclinia var. carphoclinia Michael Wall 2008-4-26 451 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  UCR124630  Chaenactis fremontii B. C. Templeton, I. W. Clokey 1930-4-9 1083 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR177856  Chaenactis fremontii Marisa Sripracha, K. A. Boyd 2004-3-21 039 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR214329  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38388 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR24931  Chaenactis glabriuscula A. C. Sanders 1980-7-18 01683 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  UCR274189  Chaenactis glabriuscula T. B. Salvato, Gregg Miller 2005-6-7 1437 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR34886  Chaenactis glabriuscula L. B. Ziegler 1972-3-31 442 Riverside San Jacinto Valley, City of San Jacinto 473 Comment
  CAS-BOT-BC277413  Chaenactis glabriuscula var. glabriuscula M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2955 Riverside Temescal Canyon Rd. ca. 1 mi. SE of Glenn Ivy Hotsprings [Hot Springs], ca. 200 meters from RR overpass 259 Comment
  POM12897  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1922-6-30 5916 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  POM6013  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-04 15750 Riverside Near Riverside Comment
  CAS-BOT-BC100677  Chaenactis parishii H. M. Hall 1901-6-1 2128 Riverside Santa Rosa Mountain, hillside of Coyote Canyon 1524 Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  RSA396458  Chaenactis parishii Walter Wisura 1987-6-19 4165 Riverside 3.9 miles from Hwy 74 along, Thomas Mountain Rd., S of Lake Hemet; San Jacinto Mtns. Comment
  UCD130429  Chaenactis stevioides William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  VVC2471  Chaenactis stevioides Tim Thomas 2013-3-18 5928 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  RSA351835  Chaenactis stevioides var. stevioides M. B. Dunkle 1937-3-25 4910 Riverside East of Indio, Colorado Desert. Comment
  POM432473  Chamaesyce N. C. Cooper 1944-5-6 1196 Riverside Whitewater Canyon. 457 Comment
  RSA432408  Chamaesyce Robert L. Dressler 1949-3-19 367 Riverside Box Canyon, Orocopia Mts. Comment
  RSA793610  Chamaesyce Duncan S. Bell, Aaron Sedgwick 2012-9-13 4203 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
  JOTR35021  Chamaesyce abramsiana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3119 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JEPS51882  Chamaesyce albomarginata W. L. Jepson 1901-5-17 1209 Riverside mesas e Riverside 266 Comment
  RSA435982  Chamaesyce albomarginata N. C. Cooper 1949-6-29 4294 Riverside East side of San Jacinto Mountains. 1524 Comment
  RSA621902  Chamaesyce albomarginata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3012 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA0020040  Chamaesyce micromera Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6012 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA432416  Chamaesyce ocellata M. B. Dunkle 1933-3-4 3061 Riverside Painted Canyon, Colorado Desert. 30 Comment
  GMDRC3108  Chamaesyce polycarpa J. Andre, T. La Doux 2008-9-13 10272 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  JEPS52379  Chamaesyce polycarpa W. L. Jepson May 17 1901-Jun 1 1901 Riverside Palm Canyon and return to Van Deventer's Comment
  RSA0107850  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2009-3-30 166 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA760823  Chamaesyce polycarpa Thomas Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-3-30 106 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UC570788  Chamaesyce polycarpa Margaret Stason 1927-3-12 Riverside Thousand Palms Colorado Desert Comment
  RSA432486A  Chamaesyce polycarpa var. hirtella Gale Sphon 1955-5-20 s.n. Riverside Dead Indian Canyon, near Palm Springs. Comment
  RSA740621  Chamaesyce serpillifolia subsp. serpillifolia Scott D. White, Justin M. Wood 2008-7-8 12375 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  JEPS26603  Chamaesyce serpyllifolia Peter Kamb 1948-7-4 1169 Riverside San Jacinto Mtns, Hall Canyon 1645 Comment
  POM12437  Cheilanthes newberryi Philip A. Munz 1922-4-30 5127 Riverside Hemet Butte Comment
  CAS-BOT-BC68054  Cheilanthes parryi D. A. Johansen; J. A. Ewan 1932-4-10 7054 Riverside Western Colorado Desert - Ravine at mouth of Tahquitz Canyon Comment
  POM183965  Cheilanthes parryi Philip A. Munz 1932-3-14 11987 Riverside Palm Springs. 91 Comment
  RSA0042110  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-6 6193 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  UCSB30932  Cheilanthes parryi Parker, V. 1974-4-5 Riverside In Maize Rock Park, Hemet 365 Comment
  UCR119827  Chenopodium Mitch Provance 1998-6-11 642 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  HSC80298  Chenopodium album Steve Boyd 1985-7-23 1012 Riverside De Luz Road, 7.6 mi W of Rancho California, where Sandia Creek crosses road. 335 Comment
  UCR22021  Chenopodium ambrosioides Steve Boyd 1980-9-12 348 Riverside Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau. Comment
  CHSC98216  Chenopodium giganteum A. C. Sanders; Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  RSA0110603  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft, along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  RSA455307  Chilopsis linearis L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA612035  Chilopsis linearis C. Epling 1932-11-9 s.n. Riverside Murray Canyon, Palm Springs, Calif. Comment
  SD229110  Chilopsis linearis Dick Schwenkmeyer 2012-5-22 713 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCSB12243  Chilopsis linearis Creighton, B. 1961-5-7 Riverside 3 miles northwest of Cathedral City and 4 miles southeast of Palm Springs, on State Highway 111, in the Coachella Valley 91 Comment
  UCSB50076  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  CHSC132  Chilopsis linearis subsp. arcuata V. Holt 1954-4-16 Riverside Painted Canyon n. of Salton Sea -30 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
  UCR97471  Chorizanthe coriacea B. G. Pitzer 1997-3-23 2979 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
  UCR174432  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32480 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
  CAS-BOT-BC191347  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just S of Interstate 15 Comment
  SD137670  Chorizanthe leptotheca Darin L. Banks, Peter Morrell 1995-5-4 312 Riverside Cleveland National Forest, north of Agua Tibia Wilderness Area, north slope of Agua Tibia Mtn., east of Dripping Springs Alcove Area, SE of Dripping Springs Campground, on arkose hills at north base of medasedimentary hills north of Wildhorse Peak 536 Comment
  CAS-BOT-BC252787  Chorizanthe parryi var. parryi A. C. Sanders; T. B. Salvato 2001-5-3 24072 Riverside Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley, Perris-Aguanga Basin region 518 Comment
  RSA11625  Chorizanthe parryi var. parryi C. Epling, W. M. Robinson 1934-6-24 s.n. Riverside Near Banning, San Gorgonio Wash in the Little San Bernardino Mts. Comment
  RSA537268  Chorizanthe parryi var. parryi D. E. Bramlet 1991-5-3 2115 Riverside On a samll ridge of a steep canyon between Diamond and Crown Valleys, some 1100 m. S of Diamond Valley. The population is found on a S-tending ridge 76 m. N of a blue line stream and some 300 m. W of the existing Rawson Road. 177 Comment
  UCR260568  Chorizanthe parryi var. parryi T. B. Salvato 2014-5-29 8034 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR263224  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41468 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
  UCR275198  Chorizanthe parryi var. parryi T. B. Salvato, Gregg Miller 2005-6-7 1452 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  UCR78331  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-5 2341 Riverside Lake Matthews, Ridgeline above Dawson Canyon, 670 m north of the canyon. 732 m east of the existing landfill weigh station 439 Comment
  UCR217496  Chorizanthe polygonoides var. longispina Lee A. Ripma, Jeff B. Galvin 2008-5-21 100 Riverside Palomar Mtns, Agua Tibia, west of Woodchuck Rd., east of Pechanga Indian Reservation 792 Comment
  RSA585735  Chorizanthe procumbens D. L. Banks, S. D. Boyd 1995-5-9 400 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA0121420  Chorizanthe rigida Duncan S. Bell, LeRoy Gross 2016-3-31 9191 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR127571  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-4-18 3378 Riverside Base of San Jacinto Mtns., on spoil pile, 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct 548 Comment
  UCR23263  Chorizanthe xanti var. leucotheca J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto, [Tahquitz Creek Canyon] 1220 Comment
  SEINET7883464 Image available Chrysothamnus paniculatus Lewis S. Rose 1935-1 35677 Riverside Colorado Desert; Whitewater Wash, 3 mi SE Palm Springs Station 305 Comment
  JOTR35239  Chrysothamnus viscidiflorus subsp. viscidiflorus Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, below Eureka Peak 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
  SD49376  Chylismia cardiophylla subsp. cardiophylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  UC635388  Chylismia cardiophylla subsp. cardiophylla H. L. Mason 1928-3-10 4205 Riverside Hidden Springs Coachella Mountains Comment
  UC148686  Chylismia claviformis subsp. aurantiaca Rensselaer J. Smith Mar 1917 Riverside Whitewater Coachella Desert Comment
  CAS-BOT-BC279839  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  UC1535382  Cirsium occidentale var. californicum A. C. Sanders and B. Pitzer 1987-4-21 7048 Riverside near southernmost radio towers Box Springs Mountains; , Riverside East Quad. 792 Comment
  RSA0012652  Cirsium scariosum var. citrinum LeRoy Gross, Caitlin Elam 2013-5-14 6079 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR21850  Cirsium vulgare Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CAS-BOT-BC438852  Cistanthe monandra Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  RSA12918  Cistanthe monandra C. B. Wolf 1935-4-7 6308 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  UCR59858  Citrullus lanatus J. M. Stewart 1989-11-20 637 Riverside Western Colorado Desert, Interstate Hwy 10, east of Indian Avenue, North Palm Springs Comment
  CSUSB233  Clarkia purpurea Dennis Vander Ven 1968-5-19 680519 1 Riverside About 7 miles west of Murrieta on Tenaja Road, 170 yards past first fork in road, right fork. On left side, directly by road. 701 Comment
  CAS-BOT-BC167131  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Santa Ana Mountains: Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  CSUSB234  Clarkia purpurea subsp. quadrivulnera Leland R. Dykes 1962-4-22 41 Riverside Along state highway 71, 7 miles south of Corona Comment
  RSA16355  Clarkia purpurea subsp. quadrivulnera Percy C. Everett 1935-6-18 7177 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  SD152802  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Tim Ross 1992-5-5 7219 Riverside South Santa Ana Mountains, San Mateo Canyon Wilderness area. Oak flats area East of Verdugo Potrero. 730 Comment
  CAS-BOT-BC164762  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  SEINET238996  Clarkia unguiculata F. C. Vasek Riverside Geenhouse progeny grown from seeds collected from wild plants in July 1962 1.8 mi toward Atascadero from Cerro Alto Pub Comment
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Mar 17 2014
  RSA33786  Claytonia perfoliata subsp. intermontana N. C. Cooper 1944-5-21 1301 Riverside San Jacinto Mountains, West side 915 Comment
  OBI52754  Claytonia perfoliata subsp. perfoliata Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl 381 Comment
  UCR16938  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  CAS-BOT-BC92821  Clematis pauciflora Peter H. Raven 1959-4-23 14019 Riverside 2.7 miles west of Dripping Springs. Comment
  SBBG114206  Clematis pauciflora C. Bornstein, E. Collins 1992-4-13 Riverside Hwy 74 (Ortega Hwy) near summit 762 Comment
  UC213052  Clematis pauciflora A. J. McC. 1892-4-2 66 Riverside Elsinore Comment
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Aug 5 2010
  UCR120194  Clematis pauciflora Mitch Provance 1998-3-7 146 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR97283  Clematis pauciflora Scott D. White 1993-3-12 1161 Riverside Near Winchester 466 Comment
  RSA650743  Cleome isomeris Glenn Stewart 1968-2-11 s.n. Riverside N of Thousand Palms. Comment
  JEPS24217  Collinsia concolor Peter H. Raven 1958-5-18 12969 Riverside on road to Hemet 2.3 mi from Mountain Center; San Jacinto Mountains Comment
  POM128665  Collinsia concolor E. C. Jaeger 1925-5-1 s.n. Riverside Dripping Spring near Temecula. Comment
  RSA0117427  Collinsia concolor Scott D. White 1991-4-10 91 -45 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  SD133001  Collinsia concolor Scott White 1991-5-10 91 141 Riverside Hwy 79, immediately W of the U.S. Forest Service Campground at Dripping Springs 548 Comment
  RSA0117421  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3170 -D Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR16022  Collinsia heterophylla Kirk Taylor 1976-5-23 760523 17 Riverside Peninsular Range; Santa Ana Mtns., Mesa de Colorado, 9 mi west of Murrieta on Tenaja Rd. 549 Comment
  RSA0117392  Collinsia parryi Steve D. Boyd, Orlando Mistretta 1992-4-23 7072 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. 244 Comment
  JOTR35330  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  UCR3242  Conium maculatum Bob Brownell 1964-5-15 s.n. Riverside [Live] Oak Canyon, on Riverside/San Bernardino County line. [near Yucaipa] 549 Comment
  CAS-BOT-BC215980  Convolvulus Steve Boyd; Tim Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun city and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd. and Scott Rd. Comment
  UCR67332  Convolvulus arvensis A. C. Sanders, E. Rey, D. Willick 1991-4-19 10928 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR84653  Conyza coulteri Scott D. White, S. Ogg 1994-4-21 1978 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA601163  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  UCR35231  Cordylanthus nevinii L. B. Ziegler 1967-8-30 229 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  UCR103461  Cordylanthus rigidus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  UCR178201  Cordylanthus rigidus Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 645 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA511059  Cordylanthus rigidus subsp. rigidus Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  JEPS57428  Cordylanthus rigidus subsp. setiger L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-7-14 2028 Riverside just n Sage 731 Comment
  POM356107  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  RSA761987  Corethrogyne filaginifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 721 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA829  Corethrogyne filaginifolia J. T. Howell 1927-8-2 560 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  SBBG45042  Corethrogyne filaginifolia I. W. Clokey with E. G. Anderson 1935-8-21 6962 Riverside N fork of San Jacinto River 1500 Comment
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Dec 14 2011
  SD119917  Cornus nuttallii Louis B. Ziegler 1970-5-20 405 Riverside San Jacinto Mountains; North Fork of the San Jacinto River. 1675 Comment
  JEPS37546  Cotula coronopifolia Marjorie D. Clary 1932-7-3 1230 Riverside 6 mi w of Aguagua 579 Comment
  SDSU13532  Cotula coronopifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR46571  Crassocephalum crepidioides A. C. Sanders 1986-9-15 6960 Riverside Peninsular Range, Cardiff Growers on Anza Rd., Temecula Comment
  CAS-BOT-BC427596  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  SEINET3089226 Image available Crassula connata Margaret Ferro 1970-5-15 17 Riverside Empty lot on Watkins Dr. behind Canyon Crest student housing. Comment
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May 16 2016
  UCR196894  Crassula connata A. C. Sanders, T. B. Salvato 2008-2-19 34425 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  CLARK-A1656-744  Crassula erecta Theo Glenn 1979-3-4 Riverside Snow Creek Comment
  RSA334997  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse. Comment
  UCR280823  Cressa truxillensis T. B. Salvato, Gregg Miller 2005-6-3 1367 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR89665  Crossosoma bigelovii Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  LA28882  Croton californicus P. J. Remple; 1942-3-3 Riverside Garnet Springs near Palm Springs Comment
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Mar 13 2014
  RSA33619  Croton californicus N. C. Cooper 1944-7-15 1546 Riverside Banning. 701 Comment
  SBBG119149  Croton californicus M. Sripracha, K. Boyd 2004-2-14 5 Riverside Snow Crk, ca. 25 m from Snow Crk Rd, ca. 0.7 km S of St Hwy 111 352 Comment
  SJSU1875  Croton californicus J. W. Tilden 1957-4-18 1092 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UC1922002  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. 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
  UCR233186A  Croton californicus Jim Andre, Glenn L. Clifton 2011-2-22 17419 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  POM255562  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  UCR126933  Crypsis schoenoides Julie A. Greene 1993-6-11 1334 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north of new pond 441 Comment
  RSA0026164  Cryptantha angustifolia Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17710 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  RSA48332  Cryptantha angustifolia E. K. Balls 1949-4-4 12968 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  SD126016  Cryptantha angustifolia F. R. Fosberg 1930-5-17 S 2622 Riverside Deep Canyon Comment
  SEINET3083593 Image available Cryptantha angustifolia E. R. Blakley 1966-4-9 6756 Riverside 1 mi. W. Desert Center on US 60-70. 274 Comment
  UCR108712  Cryptantha angustifolia Scott D. White, Pam DeVries 1998-2-9 6082 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR175169  Cryptantha angustifolia Jim Andre 2006-4-6 6692 Riverside S Mojave Desert, Joshua Tree National Park: along Pinto Basin Rd. in Wilson Canyon 866 Comment
  UCR245922  Cryptantha angustifolia Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3949 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA784966  Cryptantha barbigera Duncan S. Bell 2012-3-18 3230 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SBBG53362  Cryptantha barbigera J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UC280426  Cryptantha barbigera E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  UCR36110  Cryptantha barbigera R. F. Thorne, Et al. 1983-4-23 55418 Riverside San Bernardino Mtns, Mouth of Whitewater Canyon, east of Whitewater Post Office at S end of ridge, in sandy wash east of bridge, and on base of W-facing slope of ridge 412 Comment
  UCR85255  Cryptantha barbigera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16185 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA781913  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 896 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA0078686  Cryptantha barbigera var. fergusoniae Jim M. Andre 2015-3-2 31359 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  UCR133045  Cryptantha corollata Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; Miller Canyon 396 Comment
  RSA0079338  Cryptantha cycloptera Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 914 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  RSA779689  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  CSUSB991  Cryptantha intermedia S. L. Lackey 1973-4-23 S. N. Riverside 26781 Kalmia Ave., Sunnymead; Roadside. 640 Comment
  HSC93133  Cryptantha intermedia Scott D. White 1996-4-14 3926 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  SDSU12860  Cryptantha intermedia Janet M. Knotts, Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998L Riverside Road to southwest of SDSU Santa Margarita Fiedl Station, ca. 800 feet southwest on road to switchback, east side of road. 293 Comment
  UC78695  Cryptantha intermedia D. Cleveland 1882-4-22 Riverside Temecula Comment
  RSA499627  Cryptantha maritima Robert Gustafson 1983-3-27 2488 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  SBBG63959  Cryptantha maritima M. N. Ackley -Feb-1926 31 Riverside near Palm Springs 91 Comment
  POM72168  Cryptantha micrantha Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA683870  Cryptantha microstachys Scott D. White, Michael Honer 2003-4-4 8958 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SD255674  Cryptantha microstachys Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Ranch development project. On privately owned land. 550 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
  SD239640  Cryptantha muricata Oleg Pryadko 2008-5-2 50 Riverside San Bernardino Valley Region: Western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200ft south of Clay St and General road, 1000 ft east of Van Buren Blvd., north bank of Santa Ana River (Riverside West 7.5'Q) 207 Comment
  UCR13433  Cryptantha muricata P. M. Hasegawa 1973-5-20 s.n. Riverside San Jacinto Mtns, North Shore of Lake Hemet, in an area about 100-200 m north of the middle public parking lot. 1646 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
  UCR84654  Cryptantha muricata Scott D. White, S. Ogg 1994-4-21 1980 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0079251  Cryptantha muricata var. jonesii Steve Boyd 1995-4-24 8476 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  CDA40506  Cryptantha nevadensis T. C. Fuller 1962-4-4 7990 Riverside Colorado Desert; Highway 99 [later renumbered Highway 86], 1.3 miles north of Oasis. 0 Comment
  SEINET269546  Cryptantha nevadensis John Wear 1995-3-22 Riverside Colorado Desert: Wash along Eagle Mountian Road N of I-10 near Desert Center Comment
  JOTR35073  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3525 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA0041943  Cryptantha racemosa Duncan S. Bell, Loraine Washburn 2014-4-10 6592 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  RSA0123286  Cryptantha racemosa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8999 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
  CLARK-A1045-299  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  JEPS42629  Cucurbita foetidissima W. L. Jepson 1901-5-31 1569 Riverside Temescal Wash near Elsinore; Temescal Wash 335 Comment
  UCD107534  Cucurbita foetidissima T. B. Salvato; Kent Beaman 2005-5-16 792 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR124168  Cupressus forbesii June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  UC64606  Cuscuta californica H. M. Hall Jun 1897 Riverside vicinity Riverside Comment
  UCR35150  Cuscuta californica var. papillosa L. B. Ziegler 1972-6-10 480 Riverside San Jacinto Valley, [Santa Rosa ] hills on south side of valley (W of Ramona Bowl) Comment
  UCR1087  Cylindropuntia californica var. parkeri Peter De Gano 1970-5-11 700511- 04 Riverside city of Riverside, University of California campus, just south of Perimeter Road 305 Comment
  GMDRC5838  Cylindropuntia echinocarpa J. M. Andre 2013-3-27 24824 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  UCSB18340  Cylindropuntia ganderi Lehmann, Karla 1964-5-10 Riverside 5.3 miles east of Pinon Flats 883 Comment
  RSA314045  Cymbalaria muralis C. W. Tilforth 1982-12-4 2216 Riverside Mira Looma, California residence. Comment
  UCR119811  Cyperus erythrorhizos A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23064 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  RSA736909  Cyperus niger Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10680 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR199768  Cyperus niger Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10680 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR89437  Cyperus retrorsus Steve Morgan 1994-9-13 s.n. Riverside Riverside, UCR campus in the Botanic Garden. Along the trail in the chaparral section just west of (below) the lath house Comment
  CDA20620  Cyperus rotundus K. E. Hoffmaster July 1958 s.n. Riverside Southern California; Indio. 0 Comment
  RSA802141  Cystopteris fragilis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5008 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UC816892  Dactylis glomerata Crawford and Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona; Santa Ana River Comment
  RSA517841  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1472 Riverside West side Palen Mts.: NE of Desert Center. Comment
  CDA26961  Dalea mollissima W. E. Henson 1930-3-1 3694 Riverside Chuckawalla Valley. 0 Comment
  POM307229  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1940-3-14 1992 Riverside North of Blythe. Comment
  SEINET3005047  Dalea mollissima G. Rink 2011-4-25 10483 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  UCR24509  Dalea mollissima John C. Roos 1949-3-19 4106 Riverside Sonoran (Colorado) Desert, near Dos Palmas Spring on the E side of the Salton Sea in the vicinity of Salt Creek -30 Comment
  RSA718771  Dalea mollissima Michael Honer, L. Hulse 2004-4-4 1930 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA782036  Dasyochloa pulchella Duncan S. Bell 2011-10-22 2979 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA191408  Datisca glomerata E. W. Lathrop, R. F. Thorne 1967-9-26 6616 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UC64479  Datisca glomerata H. M. Hall July, 1901 2381 Riverside in vicinity of Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 1615 Comment
  CLARK-A1528-4341  Datura discolor John C. Roos 1965-11-6 Riverside Colorado Desert Comment
  UCR3497  Datura wrightii Frances Miller 1964-5-5 M 6431 Riverside just above RR tracks at base of Box Springs Mtns, end of Big Springs Rd. 396 Comment
  RSA587429  Daucus pusillus D. L. Banks, S. D. Boyd 1995-6-2 573 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  UCR230216  Daucus pusillus A. C. Sanders 2011-4-6 38982 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
  SD129598  Deinandra kelloggii Ed LaRue 1989-6-11 Riverside West side of Lakeview Mountains, ca. 1 mile southeast of Nuevo. 640 Comment
  SBBG118904  Deinandra mohavensis M. Wall with C. and D. Whiting 2005-8-6 402 Riverside SE Hemet, Santa Rosa Hills, Simpson Park; T5S R1E S30 SW/4 Comment
  RSA0098342  Deinandra paniculata Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18378 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  RSA68780  Delphinium parishii F. W. Peirson 1928-4-24 7897 Riverside Cottonwood Springs, northern Colorado Desert Comment
  SEINET3075589 Image available Delphinium parryi Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 0.5 mi S of intersection with Wilson Valley Road. 701 Comment
  UCR213475  Delphinium parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37841 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UC75775  Delphinium parryi subsp. parryi Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR35347  Delphinium parryi subsp. parryi L. B. Ziegler 1967-4-25 123 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  RSA400047  Delphinium patens subsp. hepaticoideum E. Crow 1929-3-17 1925 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  GMDRC6553  Dendromecon rigida J. M. Andre 2012-6-15 30506 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
  RSA516746  Dendromecon rigida subsp. rigida Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA597937  Deschampsia elongata F. M. Reed 1928-6-18 6138 Riverside Temescal [Santa Ana] Mountains: Main Street Canyon, south of Corona. 579 Comment
  POM13162  Descurainia obtusa subsp. adenophora P. A. Munz 1922-7-4 5975 Riverside Kenworthy. 1418 Comment
  CAS-BOT-BC43361  Descurainia pinnata subsp. glabra Rateaver 1944-1-17 28 Riverside Vacant lot near Chino Drive, Palm Springs. Comment
  RSA0124040  Descurainia pinnata subsp. intermedia Duncan S. Bell, LeRoy Gross 2016-3-10 8886 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA500068  Descurainia sophia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3243 Riverside Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 487 Comment
  RSA586140  Dicentra chrysantha D. L. Banks 1995-4-11 183 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. 646 Comment
  SEINET12090136  Dicentra chrysantha C. W. Tilforth, Wisura, W. 1979-1 1923 Riverside 10.4 mi from north jct with Highway 74, S of Lake Hemet Comment
  RSA716261  Dichelostemma capitatum Scott D. White, Angelia Carey 2004-4-5 10000 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR127555  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2003-5-21 26797 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
  UCR150041  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  UCR92349  Digitaria sanguinalis Scott D. White, S. Ogg 1994-10-17 2499 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  CAS-BOT-BC150929  Diplacus bigelovii var. bigelovii H. M. Hall 1905-5-1 6011 Riverside Cottonwood Springs 670 Comment
  RSA0016056  Diplacus fremontii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38096 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SD245482  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Moutains: Along Ortega Highway (74). Comment
  RSA700938  Distichlis spicata Michael Wall 1996-7-6 147 Riverside San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  JOTR35215  Ditaxis lanceolata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3639 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  UC868541  Ditaxis lanceolata Alice Eastwood 1913-4-30 3008 Riverside Blue Canyon Palm Springs; , Blue Canyon Comment
  JOTR29193  Ditaxis neomexicana La Doux, Tasha 2005-9-8 1306 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  UC570801  Ditaxis neomexicana H. L. Mason 1928-3-10 4223 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  UCR213276  Ditaxis neomexicana A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37427 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA4950  Ditaxis serrata var. californica C. B. Wolf 1932-4-27 3048 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  CSUSB517  Dithyrea californica Shirley Hill 1963-2-20 630220 4 Riverside 3 feet of road, Vista Chino street, 1 mile north of Palm Springs Comment
  RSA155552  Dithyrea californica L. S. Rose 1962-3-2 62003 Riverside La Quinta 3 Comment
  SEINET1004371  Dithyrea californica Natham Moorhatch 2005-1 Riverside Western Sonoran (Colorado) Desert: Coachella Valley, E. edge of Santa Rosa Mtns., La Quinta, W of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 18 Comment
  CAS-BOT-BC41902  Dithyrea maritima Geo. B. Grant 1906-5-2 s.n. Riverside Collected on Colorado desert at Palm Springs. Comment
  RSA698511  Dodecatheon alpinum J. R. Bruff 1934-7-5 s.n. Riverside wet ground 2896 Comment
  RSA461476  Dodecatheon alpinum subsp. majus M. B. Dunkle 1933-7-22 3754 Riverside Tahquitz Valley. 2317 Comment
  UCR16942  Dodecatheon clevelandii E. W. Lathrop 1971-3-21 7452 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  SD73462  Downingia cuspidata E. W. Lathrop Unknown 7100 Riverside 6.0 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau. Comment
  CSUSB810  Draba cuneifolia James K. Ryan 1969-3-26 23 Riverside 100 feet uphill beyond Canyon Reservoir at end of Blaine street 426 Comment
  POM212327  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside San Jacinto Mountains: rocky places near Pipe Creek, above Hemet Valley 1677 Comment
  POM48590  Drymocallis glandulosa var. viscida Mary F. Spencer 1919-7-6 1372 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA570733  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8202 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  UCR41401  Dudleya saxosa N. M. Fellows, A. C. Sanders 1985-5-7 190 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
  CAS-BOT-BC109610  Dudleya saxosa subsp. aloides Ynez Whilton Winblad 1937-3-14 s.n. Riverside Near Palm Springs. Comment
  UCR24174  Dudleya saxosa subsp. aloides John C. Roos, Lucille Roos 1949-4-23 4285 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
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Apr 24 2011
  UCR251651  Dudleya saxosa subsp. aloides Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  SEINET8060010 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 11 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 4 2016
  RSA0021860  Echinocereus engelmannii var. engelmannii Ora M. Clark 1929-3-17 1761 Riverside S. Palm Springs. Comment
  UCR33709  Echinochloa colona Sears 1977-10-13 S 605 Riverside Sonoran (Colorado) Desert, Wiley's Well exit off Interstate 10 near playa lake 122 Comment
  CLARK-A1528-97  Echinodorus berteroi Ruth Cooper 1941-6-8 67 K Riverside Perris Comment
  UCR119433  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23091 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UC2029921  Ehrharta calycina Scott D. White, Tasha LaDoux 20 Apr 2000 7691 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  UCR25867  Elatine brachysperma John C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs 488 Comment
  UC1950033  Elatine californica R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA356749  Elatine chilensis R. F. Thorne, E. W. Lathrop 1975-5-20 45543 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  CAS-BOT-BC112743  Eleocharis geniculata A. C. Sanders; Oscar Clarke; C. N. P. S. 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  SD260146  Eleocharis geniculata Mitch Provance 2012-8-1 712 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+-2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  SJSU8873  Eleocharis geniculata R. L. MacDonald 1962-4-19 Riverside Thousand Palms Oasis Comment
  RSA92090  Eleocharis geniculata F. W. Peirson 1921-3-20 2923 Riverside Palm Canyon, east base of San Jacinto Mountains 305 Comment
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Oct 1 2011
  JOTR28758  Eleocharis macrostachya La Doux, Tasha 2003-9-4 1038 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
  RSA515312  Eleocharis palustris Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  RSA703625  Eleocharis parishii Scott D. White, Angelia Carey 2004-9-16 10763 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  UCR241485  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 237 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR185181  Elymus elymoides Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1705 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
  UCR156351  Elymus glaucus T. B. Salvato, Kent Beaman 2005-5-16 876 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  POM47449  Elymus glaucus subsp. glaucus Mary F. Spencer 1919-6-27 1231 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR252007  Elymus hispidus A. C. Sanders, T. B. Salvato 2014-7-2 41185 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA594781  Emmenanthe penduliflora D. L. Banks, Dylan Hannon 1996-5-3 975 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
  UCSB5251  Emmenanthe penduliflora Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  UCR137693  Emmenanthe penduliflora var. penduliflora D. L. Banks, V. W. Steinmann 1997-3-13 1479 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
  UC895498  Encelia californica C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4737 Riverside Gavilan Peak 500 Comment
  UCR120157  Encelia californica Mitch Provance 1998-2-28 118 Riverside Jurupa Mountains, NW 'Wilder's Canyon', 0.2 km SE of pk 1538, along slopes on the NW side of the Stringfellow Acid Pits. 366 Comment
  CAS-BOT-BC131329  Encelia farinosa Munz; Street; Williams 1919-3-26 2337 Riverside Palm Springs 213 Comment
  JEPS30464  Encelia farinosa Peter H. Raven 1958-1-23 11413 Riverside 2.7 mi w of Whitewater Post Office Comment
  LA83403  Encelia farinosa O. H. Kappler; 1945-5-8 215 Riverside Morongo Pass Area, Desert City Comment
  SD43544  Encelia farinosa P. C. Everett 1945-6-7 11507 Riverside Santa Ana Mountains, Indian Canyon, 0.5 miles above U. S. Forest Service gate on Indian Canyon Truck Trail. 455 Comment
  UC31396  Encelia farinosa Geo. R. Hall 1901-3-17 1671 Riverside near Riverside Comment
  UCR146278  Encelia farinosa Donald W. Kyhos 1965-3-13 65- 111 Riverside Colorado Desert; Northeastern Colorado Desert region, 6.2 miles west of Junction of Hwy 78 and Hwy 60-70 near Blythe Comment
  UCR97691  Encelia farinosa A. C. Sanders, G. Helmkamp 1997-3-15 19966 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA0045152  Encelia farinosa Andrew Haimov, April Sleigh 1992-5-10 84 Riverside East side of Davis Road, 3 miles south of Allessandro Road, bordering San Jacinto Wildlife Area. Comment
  SEINET7845929 Image available Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside 6.2 mi W of junction Hwy 78 and Hwy 60-70 near Blythe. Comment
  SEINET8735121 Image available Encelia farinosa Lewis S. Rose 1938-1 38333 Riverside 16 mi. sw. of Cathedral City Palms to Pines Highway, San Jacinto Mts. 792 Comment
  POM50381  Encelia farinosa var. farinosa W. W. Eggleston 1924-3-8 19529 Riverside Hemet. 480 Comment
  RSA27348  Encelia farinosa var. farinosa C. L. Hitchcock 1940-4-2 5923 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA486454  Encelia farinosa var. farinosa Richard Noyes, L. Arnseth 1988-10-30 762 Riverside Lake Mathews vicinity, Dry sandy margin of Cajalco road along southern boundary of Lake. 460 Comment
  RSA554022  Encelia farinosa var. farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  HSC82829  Ephedra aspera A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6142 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  POM200880  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well, Little San Bernardino Mts. 1220 Comment
  POM262500  Epilobium canum subsp. latifolium R. Cooper 1941-11-11 s.n. Riverside Chino Canyon, San Jacinto Mountains. Comment
  RSA674524  Epilobium canum subsp. latifolium Scott D. White 2000-11-15 8147 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  CDA38119  Epilobium ciliatum subsp. glandulosum R. F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38157 Riverside San Jacinto Mtns; San Bernardino National Forest. Lake Fulmor; near outlet of lake. Comment
  OBI5914  Epilobium oregonense Carl B. Wolf 1932-8-5 3961 Riverside On trl from Tahquitz Valley to San Jacinto Peak head of a fork of Tahquitz Crk 2743 Comment
  POM157890  Epilobium pygmaeum P. A. Munz 1927-5-20 10802 Riverside Murrieta Hot Springs. Comment
  RSA575856  Epilobium pygmaeum Steve Boyd, A. C. Sanders 1980-5-19 s.n. Riverside San Jacinto Valley, along the Ramona Expressway. near Lakeview Hotsprings. Comment
  RSA381725  Epipactis gigantea Joseph A. Ewan 1930-4-17 3051 Riverside Warners Ranch at Whitewater. 396 Comment
  UCR251992  Eragrostis A. C. Sanders, T. B. Salvato 2014-7-2 41160 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  JOTR29223  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1336 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  RSA623563  Eragrostis mexicana subsp. virescens R. E. Riefner 1998-10-15 98 -525 Riverside Menefee-Paloma Valley Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UC665865  Eremalche exilis Ira L. Wiggins 1941-3-27 9685 Riverside 8 mi. n.e. Desert Center; s. end Coxcomb Mts. Comment
  RSA0042158  Eremalche rotundifolia Duncan S. Bell, Evan Meyer 2014-4-2 6503 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA77195  Eremalche rotundifolia F. W. Peirson 1921-04 2384 Riverside Deep Canyon Wash, south of Indio Comment
  SFV7917  Eremalche rotundifolia T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1280 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCR148462  Eremalche rotundifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR279597  Eremalche rotundifolia A. C. Sanders, Jim Malusa 2017-3-28 43164 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR51972  Eremalche rotundifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2156 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  CAS-BOT-BC160052  Eremothera boothii subsp. condensata Philip A. Munz 1932-3-14 11990 Riverside Deep Canyon, Coachella Valley 152 Comment
  CAS-BOT-BC160221  Eremothera boothii subsp. desertorum N. Aitkenhead 1977-2-2 2179 Riverside ~1 mi. from inter. of JT Mon Rd & pipeline Comment
  UCR279384  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-24 42965 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR126227  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-7-4 116 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  SD48054  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along U. S. Highway 99, 0.25 mile west of the junction with the road to Twenty-nine Palms. Comment
  RSA0120079  Eriastrum eremicum subsp. eremicum R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55433 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA0121320  Eriastrum eremicum subsp. eremicum T. W. Minthorn 1926-5-14 s.n. Riverside East of Banning. Comment
  JOTR33875  Eriastrum harwoodii La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3056 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy fans leading to Pinto Wash 357 Comment
  RSA0029393  Eriastrum harwoodii Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4683 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
  SDSU3047  Eriastrum sapphirinum Thomas A. Zink 1971-6-1 Riverside Along Indian Canyon Road. about 1/4 mile west of junction woth Temescal Canyon Road. 366 Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  UCR58302  Eriastrum sapphirinum 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
  VVC373  Eriastrum sapphirinum A. C. Sanders, J. Mac 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  RSA0121566  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA0121588  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2000-5-25 23398 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
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  RSA0063623  Eriastrum sapphirinum subsp. sapphirinum J. D. Olmsted 1959-8-18 784 Riverside Reservoir Hill at Desert Sun School near Idyllwild. Mt. Range: San jacinto; Drainage Area: M. Fk. S. Jacinto R. 1646 Comment
  SEINET3858674 Image available Eriastrum sparsiflorum Leila M. Shultz, John S. Shultz 1985-4-16 8256 Riverside Chuckawalla Valley, east of Chuckwalla Mountains 122 Comment
  UCR150031  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside San Jacinto Mtns, North of Alvin Meadow near USFS Road 5S10 (Red Hill Road) 1677 Comment
  RSA0099990  Ericameria nauseosa var. bernardina Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8579 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC134761  Ericameria nauseosa var. hololeuca J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  SD67918  Ericameria parishii var. parishii Reid Moran 1968-8-3 15371 Riverside West slope of Santa Rosa Mountain, 1 mile west of summit 2100 Comment
  POM10311  Ericameria pinifolia Charlotte M. Wilder 1904-09 386 Riverside W Riverside Comment
  RSA0125177  Erigeron canadensis Duncan S. Bell 2016-10-27 10210 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA673472  Erigeron foliosus Scott D. White, Tasha La Doux 2000-4-20 7715 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UC1483923  Erigeron foliosus var. foliosus C. W. Tilforth and John Dourley 1980-7-15 2067 Riverside 0.1 mi in from Hiway 74 (on north leg of Thomas Mt. Rd., South of Lake Hemet & west of Hiway 74) Comment
  CHSC99226  Erigeron sumatrensis John Dittes; Eva M. Dittes, Rudolph A. Dittes, R. Arviso 2006-11-4 1429 Riverside South Coast Subregion; San Fernando Valley; North Hollywood; 7650 Hinds Ave, ca. 1/4 mile NW of intersection of Lankershim Blvd, and Saticoy St. Undesignated section San Fernando Land Grant. 237 Comment
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Sep 13 2014
  CLARK-A1528-541  Eriodictyon crassifolium Charlotte Stocks 1962-6-13 Riverside San Jacinto Mountains Comment
  POM3816A  Eriodictyon crassifolium N. K. Berg 1904-3-4 s.n. Riverside San Jacinto Mts. Comment
  RSA455023  Eriodictyon crassifolium N. C. Cooper 1949-6-3 4151 Riverside Temecula 762 Comment
  CAS-BOT-BC189130  Eriodictyon crassifolium var. crassifolium Ynez W. Winblad 1938-5-15 s.n. Riverside Between El Capistrano and Lake Elsinore Comment
  OBI55262  Eriodictyon crassifolium var. crassifolium Barbara Crumly 1953-5-23 s.n. Riverside Cranston Ranger Station Comment
  SD229192  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 901 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SD80101  Eriodictyon crassifolium var. nigrescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyo, north slope Santa Rosa Mountains. 1317 Comment
  CAS-BOT-BC188973  Eriodictyon parryi H. M. Hall 1896-9-2 332 Riverside San Jacinto Mountains Comment
  UCR237683  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4757 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
  CAS-BOT-BC248640  Eriogonum apiculatum G. B. Grant No date on label 4509 Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA393267  Eriogonum deflexum var. deflexum A. Menke 1955-4-26 s.n. Riverside 4 miles east of Mecca, near Coachella Canal. Comment
  UC849369  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside 5 mi w, Hayfield Desert Center; Hayfield 609 Comment
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Dec 15 2011
  UCR200305  Eriogonum deflexum var. deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11244 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  SD122175  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, next to road 380 Comment
  UCR220006  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2010-11-18 38688 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  POM158441  Eriogonum fasciculatum var. foliolosum P. A. Munz 1927-5-21 10881 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  SDSU13542  Eriogonum fasciculatum var. polifolium W. Miller 1972-8-9 Riverside Santa Margarita Ecological Reserve Comment
  UCR100084  Eriogonum fasciculatum var. polifolium R. G. Swinney 1967-3-5 332 Riverside San Jacinto Mountains/Colorado Desert, Snow Creek, on E side of desert slope 366 Comment
  UCSB1477  Eriogonum fasciculatum var. polifolium Haller, John 1950-5-21 Riverside San Jacinto Mts; Palms-to-Pines Hwy; 9 mi from desert floor Comment
  CAS-BOT-BC253494  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  RSA773654  Eriogonum gracile Duncan S. Bell, Joy D. England 2010-10-5 1973 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 781 Comment
  UCR5717  Eriogonum gracile Frank C. Vasek 1966-9-5 660905- 09 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  SEINET5329485  Eriogonum gracile J. L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and aboot 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp, Comment
  RSA0100140  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8558 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA242147  Eriogonum gracile var. incultum James L. Reveal, Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild Comment
  RSA739338  Eriogonum inflatum Keith E. Hoffmaster 1933-4-13 307 Riverside Palm Springs. Comment
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Aug 27 2011
  RSA795943  Eriogonum inflatum Duncan S. Bell 2009-4-19 277 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR124640  Eriogonum inflatum B. C. Templeton, I. W. Clokey 1930-4-9 1005 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCSB1444  Eriogonum inflatum Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles N of U. S. 99; Western edge of Colorado Desert Comment
  RSA65306  Eriogonum inflatum var. inflatum F. W. Peirson 1914-1 1734 Riverside Whitewater, N.W. Colorado Desert. Comment
  JEPS56754  Eriogonum maculatum W. L. Jepson 1928-4-25 12599 Riverside wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  LA206963  Eriogonum nudum var. pauciflorum H. Lewis; 1939-10-21 1016 Riverside San Jacinto Mountains, Hidden Lake Comment
  UC545878  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash, at the San Bernardino County Line Morongo Wash 731 Comment
  JOTR34159  Eriogonum pusillum Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 116 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  UC598736  Eriogonum reniforme John Bright 1936-4-21 12845 Riverside about 5 mi n Palm Springs; Colorado Desert Comment
  UCSB44882  Eriogonum reniforme Collins, Elizabeth 1977-3-29 Riverside Southeast of North Palm Springs; 2 mile south of junction with Dillion Rd. on Thousand Palms Canyon Rd 213 Comment
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Nov 29 2014
  JOTR31156  Eriogonum saxatile La Doux, Tasha 2009-6-3 1864 Riverside Joshua Tree National Park. (Stop 4): Little San Bernardino Mountains, Covington Flats Area, gravelly slopes below peak 1511 Comment
  RSA0123084  Eriogonum saxatile Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8977 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
  CAS-BOT-BC263529  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, Colorado Desert Comment
  CLARK-A1528-749  Eriogonum thomasii Charlotte Stocks 1966-6-15 Riverside Coachella Valley Comment
  RSA788978  Eriogonum thomasii Aaron C. Sedgwick, David Fraker 2012-3-28 34 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SD225074  Eriogonum thomasii G. K. Helmkamp 1998-4-4 3171 Riverside Colorado Desert: 7.1 mi N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  UCR112108  Eriogonum thomasii A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23360 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR251352  Eriogonum thomasii S. J. Myers 2014-5-21 1064 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UC912804  Eriogonum thurberi Ivan Johnston Apr 4 1917-Apr 6 1917 1085 Riverside near Palm Spring; Colorado Desert 152 Comment
  CLARK-A1045-213  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  UC472771  Eriogonum trichopes M. F. Spencer Apr 1922 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR24328  Eriogonum wrightii John C. Roos 1967-10-28 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater 427 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC264924  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-3 181 Riverside Strawberry valley, San Jacinto Mts. 1584 Comment
  LA207116  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  RSA0104484  Eriogonum wrightii var. membranaceum Duncan S. Bell 2015-9-30 8671 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA420619  Eriogonum wrightii var. membranaceum M. B. Dunkle 1934-11-3 4235 Riverside Ribbonwood. Santa Rosa Mountain. 1524 Comment
  UC1929523  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside [Peninsular Ranges; San Jacinto Mountains region]; Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Near 1477 Comment
  UCR35084  Eriogonum wrightii var. membranaceum L. B. Ziegler 1964-8-25 14 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  CAS-BOT-BC261791  Eriogonum wrightii var. nodosum Philip A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north base of Santa Rosa Mts. 1097 Comment
  RSA314395  Eriogonum wrightii var. nodosum Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55406 Riverside San Bernardino Mountains: Side-canyon on east side of Whitewater Canyon, about 3.3 miles north of Whitewater Post Office (One-Palm Oasis Canyon). 595 Comment
  UCR35083  Eriogonum wrightii var. nodosum L. B. Ziegler 1969-10-22 395 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  CHSC26405  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 356 Riverside East of Fuller Mill Creek, south of Marion Ridge, along County Route 1, San Jacinto Mtns. 1524 Comment
  POM182206  Eriophyllum confertiflorum P. A. Munz 1932-4-24 12391 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA125205  Eriophyllum confertiflorum E. K. Balls, Percy C. Everett 1957-8-20 22675 Riverside Hamilton Grade, along rd. from Palms to Pines Hwy. to Aguanga. Comment
  SD255647  Eriophyllum confertiflorum Mitch Provance 2012-5-24 512 08 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Silson St. 868 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
  UCR213521  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38363 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA92625  Eriophyllum confertiflorum F. W. Peirson 1924-7-29 5023 Riverside Road between Banning and Idyllwild. 1767 Comment
  JOTR32188  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  SEINET7007898  Eriophyllum multicaule W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  CAS-BOT-BC302037  Eriophyllum wallacei Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  JEPS5378  Eriophyllum wallacei W. L. Jepson 1927-4-11 11621 Riverside near Palm Springs RR station; Whitewater Bridge Comment
  RSA747917  Erodium botrys Justin M. Wood 2009-3-3 326 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  RSA736317  Erodium brachycarpum Scott D. White, Justin M. Wood 2008-3-25 11775 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 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
  UCR265564  Erodium cicutarium Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 3 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  SEINET4326807 Image available Erysimum capitatum N. Cooper 1944-7-16 1550 Riverside San Jacinto Mountains, above Pine Cove 2073 Comment
  SD67898  Erysimum capitatum var. capitatum Reid Moran 1968-8-3 15348 Riverside Northeast slope, ridge, 1.0 mile northwest of Toro Peak. 2250 Comment
  JOTR33757  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2755 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  UCR158857  Eschscholzia caespitosa Scott D. White 1994-6-21 2081 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA433688  Eschscholzia californica N. C. Cooper 1949-6-3 4148 Riverside Temecula 762 Comment
  UC118513  Eschscholzia californica Charlotte M. Wilder June, 1905 654 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UC1584114  Eschscholzia californica Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3859 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (s flank of mt.); 'Big' Oak Mtn., Vail Lake area 396 Comment
  RSA773046  Eschscholzia glyptosperma Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5035 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  HSC49187  Eschscholzia minutiflora D. L. Goforth 1979-4-11 114 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  SD73626  Eschscholzia minutiflora Helen V. Witham 1970-4-29 843 Riverside Along roadside, sandy wash, near Palm Desert. 99 Comment
  UC1595573  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-25 4656 Riverside 31 mi s prison on Wileys Well Rd. toward Hwy 78; Lowdesert Comment
Read comments
Dec 5 2014
  RSA0023135  Eschscholzia minutiflora Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. Comment
  UCD95443  Eschscholzia papastillii P. C. Everett; E. K. Balls 1958-4-29 23013 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 548 Comment
  RSA0023208  Eschscholzia papastillii Curtis Clark 1976-5-8 542 Riverside Sheephole Mtns, 21.9 miles S of Amboy on road to Twentynine Palms. 640 Comment
  CAS-BOT-BC419630  Eschscholzia parishii D. W. Kyhos 1962-3-18 62 -43 Riverside Slope of hill at west side of mouth of Whitewater Canyon Comment
  GMDRC3744  Eschscholzia parishii J. Andre, T. La Doux 2009-3-1 11234 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  GMDRC9806  Eschscholzia parishii J. M. Andre 2017-3-1 38025 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  UC1595704  Eschscholzia parishii W. Wisura, J. Dolan, and M. Wall 1992-3-24 4627 Riverside 10 mi ne Mecca (on Box Canyon Rd.); Lowdesert Comment
  UC421604  Eschscholzia parishii John Thomas Howell 1928-3-25 3539 Riverside Painted Canyon Colorado Desert Comment
  RSA0010854  Eucalyptus camaldulensis A. C. Sanders 1998-6-12 21982 Riverside UCR campus, in gravel among trailers in ''surge area'' (UCR trailer park) on east side of campus 335 Comment
  OBI76897  Eucalyptus rudis A. C. Sanders, O. F. Clarke 1992-3-17 12070 Riverside UCR campus, Picnic HIll on the e side of The entomology Bldg. NE side of hill, just below the trl Comment
  RSA420834  Eucrypta chrysanthemifolia H. Twining 1890-02 s.n. Riverside Riverside. Comment
  RSA516880  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA522740  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3847 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
  UCR232044  Eucrypta chrysanthemifolia John F. Green 2008-4-15 0408- 07 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UC1333288  Eulobus californicus Charles B. Fiker 1946-6-17 3581 Riverside San Mateo Canyon Comment
  UCR188699  Euphorbia J. M. Stewart 1989-10-17 616 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  CAS-BOT-BC310320  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  RSA716000  Euphorbia albomarginata R. D. Goeden, D. W. Ricker 1965-6-24 s.n. Riverside Riverside, east of Gage Canal near end of Massachusetts Ave. 320 Comment
  JOTR35416  Euphorbia eriantha Andre, Jim 2012-4-16 20920 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA295244  Euphorbia eriantha N. R. Zabriskie, Walter M. Zabriskie 1968-2-11 111 Riverside East of trail approaching Eagle Pk., Andreas Canyon. Comment
  SEINET3106568  Euphorbia eriantha Sears 1977-10-12 S- 562 Riverside Corn Springs Rd. in Corn Springs wash, 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  OBI39241  Euphorbia maculata A. C. Sanders 1982-6-12 2713 Riverside Riverside, garden at 422 Campus View Dr Comment
  RSA737258  Euphorbia maculata Scott D. White 2008-8-20 12536 Riverside Perris Basin: City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets. 445 Comment
  RSA599290  Euphorbia ocellata subsp. ocellata L. C. Wheeler 1952-10-29 7010 -a Riverside Riverside. Citrus Experimental Station. Comment
  UCD142700  Euphorbia polycarpa Patricia Wilder 1971-5-13 4946 Riverside Chino Hills Mountain Range. Prado Flood Control Basin; along bank at east end of top of Prado Dam. 213 Comment
  UCR101410  Euphorbia serpillifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22235 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  UCD142865  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7467 Riverside Box Canyon, c. 9-10 mi NE of Mecca on Cal. 195. 243 Comment
  SEINET13945540 Image available Fagonia chilensis C. L. Hitchcock 1966-1 24209 Riverside along Palms to Pines Hwy, 4 mi S of Palm Desert; 2000 ft alt. 610 Comment
  CAS-BOT-BC167373  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside Along Palms to Pines Hiway, 4 mi. s. of Palm Desert 609 Comment
  CAS-BOT-BC171044  Fagonia laevis C. L. Hitchcock 1940-4-2 5920 Riverside Cottonwood Spt. wash, Joshua Tree Nat. Monument. Comment
  RSA391190  Fagonia laevis Donald Myrick 1968-3-4 1810 Riverside Palms to pines Hwy out of Palm Desert 305 Comment
  SBBG3962  Fagonia laevis H. and M. Dearing 1937-4-10 967 Riverside near Hayfield Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  UCD170726  Fagonia laevis A. C. Sanders; Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon. 435 Comment
  UCR74360  Fagonia laevis Theo Glenn 1991-5-2 91- 15 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR90324  Fagonia laevis Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  UCD170915  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) and south of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  CSUSB448  Festuca arundinacea Steve Walker 1966-5-13 Riverside City of Riverside; Fairmount Park; 500 yards from Santa Ana River. Western perimeter. 274 Comment
  SEINET1910073  Festuca microstachys T. B. Salvato, John F. Green 2004-1 572 Riverside San Bernardino Mts; Head of banning (San Gorgonia River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5) 409 Comment
  UCR230779  Festuca octoflora A. C. Sanders, Matthew Malle 2010-4-23 38014 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  SDSU13580  Festuca perennis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UCR199789  Festuca pratensis Scott D. White, Justin M. Wood 2008-6-24 12289 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA716822  Filago californica A. C. Sanders, Teresa B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA763403  Filago californica Scott D. White, Angelia Carey 2004-4-5 10001 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR103908  Filago californica B. G. Pitzer 1997-4-11 3111 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
  RSA0018948  Fragaria vesca Philip A. Munz, I. M. Johnston 1922-5-19 5388 Riverside 3 miles west of Keen Camp. 1494 Comment
  RSA628536  Frangula californica subsp. californica A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22218 Riverside Morongo Indian Reservation, Middle Branch Millard Canyon. 1311 Comment
  RSA652638  Frangula californica subsp. californica Jerry Wilk 1969-5-24 s.n. Riverside 10 mi. past Lake Fillmore towards [Idyllwild]. Comment
  SD232321  Frangula californica subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. 1438 Comment
  SD186320  Frangula californica subsp. tomentella Andy C. Sanders 2004-6-20 28215 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  OBI14196  Frankenia salina Robert F. Hoover 1968-6-6 11153 Riverside 1 mi E of Perris Comment
  CAS-BOT-BC211657  Frankenia salina H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  RSA284586  Frasera parryi C. W. Tilforth, John Dourley 1980-7-15 2081 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
  RSA221021  Fraxinus dipetala E. W. Lathrop 1968-5-8 6429 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat l Forest, Trabuco District. 274 Comment
  UCR132719  Fraxinus uhdei A. C. Sanders, O. F. Clarke 1991-6-10 11131 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR50413  Fritillaria biflora L. F. LaPre, Jack Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, Santa Rosa Springs Ranch Comment
  JOTR28931  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA704546  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SEINET10580702  Funastrum hirtellum Dunn 1932-3-26 Dunn s.n. 1932 Riverside Box Canyon Comment
  SD237293  Funastrum utahense Dave Silverman 2010-3-30 7886 Riverside UTM in supplement. East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Pk, and 4.8 km N of I-10. 164 Comment
  RSA740617  Gaillardia aristata Scott D. White, Justin M. Wood 2008-6-19 12253 Riverside San Jacinto Mountains: USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCR132704  Galium angustifolium A. C. Sanders, T. B. Salvato 2004-2-16 27391 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCR232034  Galium angustifolium John F. Green 2008-4-15 0408- 20 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCSB26912  Galium angustifolium Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along County Road Rl, 7.0 miles north of Idyllwild, San Jacinto Mtns Comment
  POM46851  Galium angustifolium subsp. angustifolium Charlotte M. Wilder 1904-6-11 111 A Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA0099989  Galium angustifolium subsp. angustifolium Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8580 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  CAS-BOT-BC223051  Galium angustifolium subsp. gracillimum Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  SBBG89043  Galium angustifolium subsp. gracillimum B. Pitzer, K. Kirtland 1986-5-20 227 Riverside E side of Butterfield Stage Rd, 1 mi S of Buck Mesa, Rancho California area, N side of Pauba Valley 457 Comment
  RSA609659  Galium angustifolium subsp. jacinticum R. S. Woglum 1937-5-22 509 c Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA0013626  Galium aparine LeRoy Gross, Duncan S. Bell 2013-4-30 6033 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA36548  Galium hilendiae subsp. hilendiae Sara M. Schenck 1941-5-30 s.n. Riverside Quail Mt. Joshua Tree National Monument. 1585 Comment
  UCR98074  Galium porrigens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19896 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA49384  Galium stellatum Philip A. Munz 1949-4-12 13028 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  CAS-BOT-BC500428  Galium stellatum subsp. eremicum A. C. Sanders; Jim Malusa 2015-3-11 41407 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  UCR216497  Galium stellatum var. eremicum Jim Andre, T. La Doux 2009-3-10 11235 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR112474  Gamochaeta pensylvanica A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23324 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR26375  Garrya flavescens A. C. Sanders 1981-7-11 2204 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  UC2030126  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38085 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  UCR270194  Gazania linearis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42421 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
  RSA778247  Geraea canescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 933 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SD227745  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside Coachella Valley. La Quinta / Palm Desert Area; Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  UCR148314  Geraea canescens John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  SEINET10726154  Geraea canescens David B. Dunn 1948-3-14 Dunn 3765 Riverside Found 5 miles west of Thousand Palms. Comment
  SEINET9122025  Geraea canescens K. K. Muller 1965-1 1275 Riverside Vacant fields at edge of Indio, very common in sandy soil. Comment
  RSA678936  Geranium carolinianum Scott D. White, Michael Honer 2003-6-3 9479 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA180449  Geranium dissectum E. W. Lathrop 1960-6-8 4910 Riverside 14 miles west of Murrieta Comment
  UCR195113  Gilia A. C. Sanders, Tim Thomas 2008-8-1 35931 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  RSA271888  Gilia angelensis C. W. Tilforth 1978-4-30 1569 Riverside Low rounded hills east of Norco. Comment
  SDSU18400  Gilia angelensis C. Matt Guilliams 2008-2-27 480 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. 407 Comment
  UCR137504  Gilia angelensis D. L. Banks, V. W. Steinmann 1997-3-13 1453 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  SEINET6051252  Gilia australis Unknown 1944-5-20 1282 Riverside Palms to Pines Highway. San Jacinto Mountains. Comment
  UC1563105  Gilia australis Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3151 Riverside just sw Vail Lake Area dam; Vail Lake Area 487 Comment
  HSC86247  Gilia capitata Jane Hildreth 1981-6-4 21 Riverside 7 mi. S of Banning along Hwy. 243 1220 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
  SDSU3074  Gilia caruifolia Bruhns 1965-5-22 115 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  UCR103996  Gilia maculata George K. Helmkamp 1998-4-3 3070 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  JEPS4070  Gilia ochroleuca subsp. exilis W. L. Jepson 1901-5-20 1316 Riverside Thomas Valley San Jacinto Mts., Thomas Valley Comment
  RSA0016200  Gilia ochroleuca subsp. exilis Scott D. White, Bill La Haye 2000-5-27 7960 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR67348  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4016 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA0017094  Gilia ochroleuca subsp. exilis D. L. Banks 1997-5-5 1958 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  POM8527  Gilia stellata Mary F. Spencer 1920-4-5 64 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA749186  Gilia stellata R. F. Thorne, W. Wisura, Avi Shmida, R. Whittaker 1978-4-23 52018 Riverside Chino Canyon. Comment
  UC908852  Gilia stellata John Thomas Howell 1928-3-25 3541 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR145075  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 448 Comment
  CAS-BOT-BC303883  Gnaphalium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR140563  Gnaphalium californicum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 66 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR37484  Gnaphalium canescens subsp. microcephalum Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  UCR169466  Gnaphalium luteoalbum 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
  UC32013  Gnaphalium palustre H. M. Hall 1901-1-1 2666 Riverside San Jacinto Mountains Southern California, San Jacinto Mountains Comment
  RSA91699  Gnaphalium palustre F. W. Peirson 1924-7-29 5030 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA585510  Gnaphalium stramineum D. L. Banks, S. D. Boyd 1995-5-9 0371 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
  RSA496370  Guillenia lasiophylla Steve Boyd, L. Arnseth, Timothy S. Ross 1989-3-19 3044 Riverside Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain. 621 Comment
Read comments
Sep 19 2010
  RSA561815  Guillenia lasiophylla Steve Boyd 1992-4-14 6828 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA778237  Guillenia lasiophylla Duncan S. Bell 2009-3-8 42 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR140693  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UC1118588  Gutierrezia sarothrae C. Van Fleet 1931-1-22 547 Riverside Wilson Creek San Jacinto Quadrangle Comment
  CLARK-A1528-229  Haplopappus acradenius subsp. eremophilus John C. Roos 1969-11-10 Riverside Whitewater Comment
  SEINET6428806 Image available Haplopappus linearifolius Norman C. Cooper 1944-5-20 1230 Riverside Pine Flats, Palms to Pines Hwy. 1219 Comment
  CAS-BOT-BC231097  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Between Indian Truck Trail and Horsethief Wash 365 Comment
  UCR217646  Harpagonella palmeri Jeff B. Galvin 2010-3-25 120 Riverside Perris-Aguanga Basin, West of Lake Matthews, south of Cajalco Road. Just east of small riparian woodland. Northwest side of a clay hill. 430 Comment
  UCR60259  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3196 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA0066613  Harpagonella palmeri F. W. Peirson 1922-5-19 3029 Riverside 2.5 miles NE of Murrieta on the road to Perris. Comment
  RSA0066629  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3116 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  RSA0066634  Harpagonella palmeri D. L. Banks, S. D. Boyd 1995-3-15 57 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 683 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
  LA204760  Helianthemum scoparium C. B. Wolf; 1936-6-17 7956 Riverside Santa Ana Mountains, Tenaja Road, 1.4 mi. off Ortega Highway, on road to La Cienaga 609 Comment
  RSA655230  Helianthemum scoparium var. scoparium Scott D. White 1999-11-12 7629 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA180439  Helianthus gracilentus E. W. Lathrop 1965-5-7 5705 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UCSB37798  Helianthus niveus Roos, John 1962-4-3 Riverside Palm Springs Airport 121 Comment
  LA203712  Helianthus niveus subsp. tephrodes Anne Fuller; 1957-4-6 sn Riverside Colorado Desert, near Indian Wells, Highway 74 Comment
  UCR136279  Heliotropium curassavicum A. C. Sanders 2004-6-20 28233 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., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  RSA0036782  Hemizonia fasciculata Andrew Haimov, April Sleigh 1992-5-7 82 Riverside East side of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  UCR125228  Hemizonia fasciculata Mitch Provance, Twoc Tran 1998-5-30 561 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR117087  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2001-5-16 24299 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR128238  Hemizonia kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR140717  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR235082  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40231 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  POM49852  Hemizonia mohavensis P. A. Munz, Johnston 1924-7-29 8880 Riverside Banning Idyllwild Road. 945 Comment
  RSA614685  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mts.: N slope of the mts.; nameless tributary of Azalea Creek ca. 1 mile due S of the Twin Pines Ranch building. 1128 Comment
  UCR132829  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, Mitch Provance 1998-10-25 22270 Riverside San Jacinto Mtns., Mt. Edna Road, c. 0.2 mi. west of Hwy 243 1159 Comment
  UCR89387  Hemizonia mohavensis A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14224 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA683893  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR116478  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2001-5-25 24380 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR139627  Hemizonia paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR172215  Hemizonia paniculata John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR96274  Hemizonia pungens Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Near I-15; erosion gullies on E side of creek 328 Comment
  RSA335027  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  UCR114639  Hemizonia pungens subsp. laevis Fred M. Roberts 1992-8-5 4846 Riverside Anza Valley, Cahuilla Indian Reservation, near northern edge 1170 Comment
  RSA550343  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4645 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  UCR217806  Hesperocallis undulata Jim Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  UCR174442  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 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
  CLARK-A1045-1309  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  RSA583483  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  RSA739711  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35634 Riverside Peninsular Range; San Jacinto Mtns.: May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UC66545  Heteromeles arbutifolia E. A. Zumbro 1904-1 433 Riverside Cold Water Canyon; Santa Ana Mts. Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 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. 305 Comment
  UCR94885  Heteromeles arbutifolia G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  SEINET11266844  Heterotheca grandiflora N. Duane Atwood, L. Stritch 1993-4-2 17869 Riverside Aqua Tibia Wilderness, Palomar Ranger District.; 0 671 Comment
  RSA735607  Heterotheca sessiliflora subsp. echioides LeRoy Gross, Duncan Bell 2008-9-16 3577 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  JEPS2489  Heterotheca sessiliflora subsp. fastigiata Marjorie D. Clary 1931-11-15 715 Riverside near Thousand Palms Comment
  UCR70830  Heuchera hirsutissima C. B. Wolf 1932-8-5 03977 Riverside San Jacinto Mtns, summit of San Jacinto Peak 3294 Comment
  CAS-BOT-BC203350  Hibiscus denudatus Edmund C. Jaeger 1922-4-12 s.n. Riverside Martinez Canon [Canyon], Colorado Desert 304 Comment
  SD174880  Hibiscus denudatus Mark A. Elvin 2005-4-26 4231 Riverside Coachella Valley/Indio Hills; north of I-10. 198 Comment
  UC666416  Hibiscus denudatus Annie M. Alexander and Louise Kellogg 1941-5-27 2245 Riverside <Chuckawala> Bench Colorado Desert, <Chuckawala> Bench 548 Comment
  POM360443  Hieracium albiflorum E. C. Jaeger 1921-7-1 1924 Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  UCR213763  Hilaria rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  SBBG29199  Hoffmannseggia microphylla K. K. Muller 1967-9-14 1419 Riverside 5 mi E of Indio Comment
  SD44854  Hoffmannseggia microphylla Darley F. Howe 1952-4-27 2185 Riverside Highway east of Mecca at All American Canal Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  CAS-BOT-BC174030  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA736245  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCD85628  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin. San Jacinto River Valley. S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto. 445 Comment
  UCR75301  Hordeum depressum A. C. Sanders 1993-4-5 13686 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
  UCR97284  Hordeum intercedens Scott D. White 1993-4-30 1315 a Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR182376  Hordeum murinum Andrea Salzman, Carlos Navarro 2006-5-9 97 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 436 Comment
  RSA500089  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3222 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  RSA0018955  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 692 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR82766  Horkelia clevelandii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15782 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  CAS-BOT-BC312592  Hulsea vestita subsp. callicarpha F. R. Irvine 1958-6-27 s.n. Riverside Santa Rosa Indian Reservation Comment
  UC897988  Hulsea vestita subsp. callicarpha Munz and Johnston 1922-5-19 5415 Riverside on Farmer Ranch Hemet Valley; San Jacinto Mts. 1386 Comment
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Mar 13 2011
  UCR34976  Hulsea vestita subsp. callicarpha L. B. Ziegler 1972-5-29 466 Riverside San Jacinto Mtns., W slope along Hwy 74 1341 Comment
  SEINET156514  Hymenoclea salsola Norman C. Cooper 1944-4-23 1120 Riverside Cabazon. 457 Comment
  RSA0009845  Hymenoclea salsola Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC1931097  Hypericum scouleri Scott D. White, Justin Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd. ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  UCR111552  Hypochaeris glabra Mitch Provance, J. Ross 1999-4-1 1727 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  POM283419  Hyptis emoryi Lyman Benson 1933-3-31 4184 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
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Feb 26 2008
  POM310159  Hyptis emoryi Hulda Crooks 1946-3-2 250 Riverside Palm Springs area. 139 Comment
  RSA0039602  Hyptis emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-11 152 Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  SEINET2065617 Image available Hyptis emoryi W. H. Earle 1974-12-8 Riverside Rte. 60, between Desert Center & Haywood Rd. Comment
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Aug 25 2013
  SEINET3004987  Hyptis emoryi G. Rink, M. Baker 2011-4-2 10414 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  SFV17323  Hyptis emoryi J. N. Hogue, J. D. Dilley (268) 1998-4-23 108 .6 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC1176847  Hyptis emoryi Lewis S. Rose 1959-1-8 59000 Riverside La Quinta 30 Comment
  UCR100874  Hyptis emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2699 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR75068  Hyptis emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC311610  Isocoma acradenia var. eremophila Louis C. Wheeler 1931-11-27 375 Riverside 5 mi. SE Mecca, Colorado Desert -60 Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  POM13734  Isocoma acradenia var. eremophila E. C. Jaeger 1921-11-10 1158 Riverside Little Palm Canyon. Comment
  RSA770888  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4591 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR279366  Isomeris arborea A. C. Sanders, Jim Malusa 2017-3-24 42967 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR232061  Iva axillaris John F. Green 2008-4-23 07- 06 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  JEPS41097  Iva axillaris subsp. robustior W. L. Jepson and H. M. Hall 1901-5-27 1475 Riverside Cahuilla Valley w Riverside County, Cahuilla Valley Comment
  RSA716816  Iva axillaris subsp. robustior A. C. Sanders 2004-4-20 28213 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA552691  Jepsonia parryi Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6699 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC167115  Juglans californica A. C. Sanders 2004-6-30 28395 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 518 Comment
  RSA0011072  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR77721  Juglans californica Steve Boyd 1991-3-17 5494 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  CAS-BOT-BC140655  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37144 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside 345 Comment
  UCR100825  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  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
  UC1930100  Juncus arcticus var. mexicanus Scott D. White, Justin Wood 2008-6-5 12062 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  SD181797  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeal drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR117312  Juncus bufonius A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 735 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR59675  Juncus bufonius Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3541 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UCR60542  Juncus bufonius R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  JEPS66951  Juncus cooperi S. B. Parish 1912-10-10 8382 Riverside Dos Palmas Colorado Desert, Salton Basin 0 Comment
  RSA247274  Juncus effusus subsp. austrocalifornicus G. D. Wallace, D. H. Wilken 1966-7-3 652 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  RSA268209  Juncus effusus subsp. austrocalifornicus M. B. Dunkle 1933-7-21 3722 Riverside Idyllwild 1616 Comment
  RSA627458  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA782437  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-8-1 35953 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UC1601830  Juncus oxymeris H. M. Hall 1897-8-12 837 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UC196457  Juncus torreyi S. B. Parish 1913-9-20 8619 Riverside Mecca Salton Sink -57 Comment
  UC126712  Juncus triformis F. M. Reed 1908-7-12 2481 Riverside Surprise Lake; San Jacinto Mountains Comment
  CAS-BOT-BC85411  Juniperus californica Marcus E. Jones 1882-4-25 3175 Riverside San Jacinto Comment
  RSA604385  Juniperus californica L. C. Wheeler 1960-1-2 7672 Riverside Alberhill. Open rocky flat. Comment
  SEINET10531618  Juniperus californica David B. Dunn 1939-10-22 Dunn UMO 46556 Riverside Native tree in the San Jacinto Mts. of southern Calif., along the Palms to Pines Hwy. in Pinyon-Juniper woodland. 1829 Comment
  RSA313564  Justicia californica D. C. Michener 1979-3-11 3451 b Riverside Santa Rosa Mountains: Deep Canyon, along Coyote Wash. Comment
  RSA682846  Justicia californica Scott D. White 2003-3-23 8839 Riverside Hwy 74 near Carrizo Creek crossing. 610 Comment
  SD46093  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UC888147  Justicia californica Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside near Palm Springs Palm Springs Comment
  RSA648667  Kallstroemia californica J. C. Roos 1963-10-24 s.n. Riverside Hayfields, Colorado Desert. Comment
  RSA793567  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  UCR91667  Keckiella antirrhinoides subsp. antirrhinoides Steve Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  SEINET12518427 Image available Keckiella antirrhinoides subsp. microphylla Mark Fishbein, Victor Steinmann Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-1 4104 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  UCR16019  Keckiella antirrhinoides var. antirrhinoides John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns, 3 mi SE of Banning near Hwy 243 Comment
  NY790223  Keckiella cordifolia D. L. Banks 1996-6-6 1119 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve, southwest side of the Water Storage tank. 100 m north of the road junction between 457.2 Comment
  RSA649981  Keckiella cordifolia Dick Slanker 1949-3-17 s.n. Riverside Palm Springs Desert (near town) 76 Comment
  UCR60266  Keckiella cordifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3686 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA6016  Keckiella rothrockii subsp. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  NY790419  Keckiella ternata subsp. ternata G. D. Wallace 1966-7-3 647 Riverside San Jacinto Mountains, near Idyllwild Comment
  JEPS12492  Kelloggia galioides S. B. and W. F. Parish Aug 1881 967 Riverside San Jacinto Mountains Comment
  UCD99043  Kochia scoparia subsp. scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. 158 Comment
  CLARK-A1528-68  Koeleria macrantha C. M. Flanagan 1973-5-20 OO 530 Riverside Morongo Indian Reservation 1158 Comment
  CAS-BOT-BC61432  Krameria bicolor W. R. Dudley 1903-12-1 s.n Riverside Desert back of Indian Reservation, Palm Springs Comment
  JOTR36083  Krameria erecta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3311 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  UC17423  Krameria erecta H. M. Hall June, 1901 2114 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of Colorado Desert, eastern base San Jacinto Mountai Comment
  UC168028  Krameria grayi S. B. and W. F. Parish April, 1882 Riverside Agua Caliente Comment
  UC61699  Krameria grayi L. D. Copeland Apr. 1904 2 Riverside West Canyon Palm Springs (Palm Springs); , West Canyon Comment
  RSA0056399  Krameria grayi James R. Shevock 1971-5-8 1034 Riverside Near ranger Sta., Joshua Tree Nat'l. Mon. 1036 Comment
  UC1922688  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  UCR207346  Lamarckia aurea O. F. Clarke 2004-3-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC166023  Larrea tridentata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JOTR28941  Larrea tridentata La Doux, Tasha 2005-3-30 1177 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0117856  Larrea tridentata Sarah J. J. De Groot, Rachel Darney-Lane 2016-5-5 7896 Riverside North side of Mecca Hills, north of Shaver's Well and Meccacopia Trail, south of Interstate 10, Shaver's Valley, east-northeast of Mecca. Along Box Canyon Road ca. 5.85 miles west-southwest of Mecca/Cottonwood exit (168) from I-10. 319 Comment
  CAS-BOT-BC412764  Lastarriaea coriacea James L. Reveal 1988-5-23 6865 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, north of the highway and south of the San Jacinto River 609 Comment
  RSA522747  Lastarriaea coriacea Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3854 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
  SD186286  Lastarriaea coriacea Andy C. Sanders 2003-5-8 26576 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Alamos Rd and E of the creek 395 Comment
  UC1563033  Lastarriaea coriacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3093 Riverside w of Woodchuck Road (s of Highway 79, Kolb Creek drainage); Vail Lake Area 487 Comment
  CAS-BOT-BC338917  Lasthenia californica A. C. Sanders; W. W. Wright; J. Latting; et al 1974-5-4 684 Riverside Santa Rosa Plateau, Santa Ana Mtns.: Mesa de Burro 610 Comment
  CLARK-A1528-256  Lasthenia chrysostoma C. M. Flanagan 1973-4-14 OO 105 Riverside Sunnymead 579 Comment
  UCR140443  Lasthenia coronaria A. C. Sanders 2004-4-9 27453 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
  UCR260881  Lasthenia coronaria A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41489 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  UCR275228  Lasthenia glabrata subsp. coulteri Allison D. Rudalevige 2012-4-25 004 Riverside Perris-Aguanga Basin Region, east of Menifee, c. 1.2 miles west of Skinner Reservoir, drainage south of Shrimp Ln, between Washington St. and Pourroy Rd. 424 Comment
  UCR85566  Lasthenia glabrata subsp. coulteri Julie A. Greene 1993-4-10 1149 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  UCR95381  Lasthenia glabrata subsp. coulteri Steve Boyd, D. Bramlet 1996-4-19 8614 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  POM361604  Lasthenia gracilis N. C. Cooper 1949-3-15 3010 Riverside Banning. 701 Comment
  RSA585978  Lasthenia gracilis Adree M. Desrochers 1990-4-19 471 Riverside Neaar Murrieta, along Clinton Keith Raod, 6.9 km W of Hwy 15. Comment
  RSA607008  Lasthenia gracilis Leota Brice 1930-4-13 s.n. Riverside Hemet Comment
  UC893752  Lasthenia gracilis Lewis S. Rose 1937-4-9 37087 Riverside Banning 706 Comment
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Mar 13 2011
  UCR225592  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-29 38884 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR269899  Lasthenia gracilis D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3653 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  POM2641  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1918-4-27 2127 Riverside Elsinore Comment
  UC15386  Lathyrus vestitus var. alefeldii H. M. Hall 1901-6-1 2153 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert 1371 Comment
  POM361635  Layia glandulosa Ora M. Clark 1929-3-16 1696 Riverside South of Cabazon. Comment
  UC30658  Layia platyglossa H. M. Hall 1899-5-1 Riverside Johnson's San Jacinto Mountains, Johnson's 1676 Comment
  RSA429905  Lepidium fremontii M. B. Dunkle 1934-3-31 4439 Riverside Pinto Basin, Colorado Desert 915 Comment
  RSA668475  Lepidium fremontii S. Granger 1979-4-5 s.n. Riverside Chuckawalla Mountain. Comment
  RSA799241  Lepidium fremontii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 749 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
  JOTR16713  Lepidium fremontii var. fremontii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON, ABOVE CHOLLA GARDEN Comment
  POM259967  Lepidium lasiocarpum P. A. Munz 1940-3-23 15724 Riverside N end of Pinto Basin mojave desert 915 Comment
  SEINET269469  Lepidium latifolium Scott D. White, Steve Ogg 1994-10-17 2479 Riverside City of Temecula Murrieta Creek channel directly west of Las Haciendas/Del Rio intersect. USGS 71/2' Murrieta quad. 299 Comment
  UCR239905  Lepidium latifolium O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  RSA711842  Lepidium nitidum A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR113200  Lepidium nitidum A. C. Sanders 1998-3-11 21658 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  SDSU18720  Lepidium nitidum var. nitidum C. Matt Guilliams 2008-2-13 446 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. South edge of mesatop. 448 Comment
  UCR38081  Lepidium pinnatifidum O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  UCD115887  Lepidium virginicum subsp. menziesii T. B. Salvato; Kent Beaman 2005-5-16 775 Riverside San Jacinto Mtn: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR256899  Lepidium virginicum subsp. menziesii LeRoy Gross, Caitlin Elam 2013-5-14 6060 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  RSA5364  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  UC472877  Lepidospartum squamatum M. F. Spencer 1918-4-1 Riverside Palm Canyon; Colorado Desert 600 Comment
  UCD134034  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside Whitewater Wash, north of Palm Springs. 198 Comment
  RSA272164  Lepidospartum squamatum var. palmeri John F. Emmel 1975-10-8 539 Riverside San Jacinto River bed, 1.5-2 air miles E of Valle Vista, Sw base San Jacinto Mts. 537 Comment
  RSA723303  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1989-9-22 8123 Riverside San Jacinto, 8.8 km W. of State Hwy 79 on Ramona Expressway towards Lakeview 500 Comment
  RSA715096  Leptodactylon californicum Sarah J. De Groot, Elizabeth A. Kempton 2006-3-16 5211 Riverside Along Hwy 243, N slope of San Jacinto Mountains. 730 Comment
  VVC382  Leptodactylon californicum Markell Kohn 1959-4-19 s.n. Riverside San Jacinto Mtns., On Banning-Idyllwild rd, 9.1 mi N. (below) Grande Vista (sic - Vista Gran) Ranger Sta. 724 Comment
  UC23804  Leptodactylon pungens H. M. Hall 1901-6 2597 Riverside near Tahquitz; San Jacinto Mountains, near Tauquitz 2529 Comment
  RSA524407  Leptosiphon androsaceus Steve Boyd 1990-4-3 4098 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
  POM12799  Leptosiphon ciliatus P. A. Munz 1922-6-23 5765 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA0099593  Leptosiphon floribundus subsp. hallii Duncan S. Bell 2014-11-14 7704 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  RSA128224  Leptosiphon liniflorus P. H. Raven 1958-7-26 11104 Riverside Meadow just below Vista Grande Ranger Station, Banning - Idyllwild Road. Comment
  UCR280621  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 09 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  SD215408  Leptosyne californica Steve Boyd, Tim Ross and Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake area, valley betweenBlack Hills and Rocky Ridge. 701 Comment
  POM253439  Lessingia glandulifera var. glandulifera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  OBI69966  Leymus condensatus L. LaPre 1988-6-3 s.n. Riverside Indian Trls project site, Indian Truck Trl exit on W side of I-15 fwy in Temescal Cyn, ca 1/4 mi from the fwy near the dirt rd Comment
  RSA192226  Lilaea scilloides E. W. Lathrop 1966-5-1 6245 Riverside 3 miles W of Murrieta Comment
  LA206678  Linanthus californicus W. Pequegnat; April 1937 65 Riverside Santa Ana Mountains, Glen Ivy, 8 mi. S of Corona Comment
  UCR121237  Linanthus ciliatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2295 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CHSC1280  Linanthus dianthiflorus Sonia R. Westerberg 1938-4-20 Riverside Palm Springs. Comment
  SD134419  Linanthus dianthiflorus Craig Reiser 1990-4-15 Riverside Off De Portola Road near Calle Grande Road Comment
  UC916688  Linanthus dianthiflorus Frank W. Gould 1944-4-4 2217 Riverside 10 mi se Temecula (on Highway 71) Comment
  RSA560843  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1992-5-4 7179 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  CLARK-A1045-89  Linanthus dianthiflorus subsp. farinosus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  UC52544  Linanthus floribundus subsp. hallii H. M. Hall 1902-4-9 2767 a Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 182 Comment
  OBI53602  Linanthus jonesii B. Pitzer, S. Meyers & J. Wilkinson 1988-2-21 609 Riverside A well-developed desert pavement at S end of Coxcomb Mountains, 0.2 mi N of Hwy 177 (Old Desert Center - Rice Rd.) at a point 10.6 mi NE of Desert Center, on Hwy 177. Comment
  OBI38922  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mountains, was below the spring and wash and rocky slopes to the south. Comment
  UCR144129  Linanthus liniflorus Scott D. White, Bill La Haye 2000-5-27 7950 Riverside San Jacinto Mtn, Baldy Mountain area 1677 Comment
  UCR35060  Linanthus liniflorus subsp. pharnaceoides L. B. Ziegler 1966-6-21 59 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  UC908554  Linanthus parviflorus Victor Duran 1935-4-17 Riverside Sage Comment
  RSA400310  Linaria canadensis var. texana Dorothy R. Wolf 1932-3-20 3 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA740081  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  POM127859  Linum lewisii P. A. Munz 1922-6-27 5848 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  UCR167852  Loeflingia squarrosa T. B. Salvato, Melissa Clemons 2005-6-2 1339 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
  CHSC1264  Loeseliastrum schottii F. Hughes 1935-4-16 Riverside Colorado desert. Comment
  RSA0050256  Loeseliastrum schottii J. M. Andre 2013-3-27 24835 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  UCR244378  Loeseliastrum schottii Jim Andre 2012-4-16 20947 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  CAS-BOT-BC342254  Logfia filaginoides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4044 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  JOTR35097  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3003 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UCR85316  Logfia filaginoides A. C. Sanders, George K. Helmkamp, E. A. Helmkamp 1995-3-19 16158 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  SDSU12928  Logfia gallica Jutta Buschbom 1991-6-1 16 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
  UCR89758  Logfia gallica Scott D. White 1993-5-27 1426 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR2519  Lolium perenne subsp. multiflorum F. M. Reed 1906-5-27 968 Riverside San Bernardino Valley, Riverside, Grand Avenue opposite Rudolph's Ranch 244 Comment
  SEINET7042769  Lomatium 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
  RSA0029311  Lomatium dissectum var. multifidum John F. Emmel 1992-4-25 1215 Riverside Bautista Canyon road, 0.9-1.0 road mi NW of Tripp Flats Road turnoff (8.5-8.6 road mi SE of national forest boundary on Bautista Canyon road). 1113 Comment
  UCR150975  Lomatium lucidum D. L. Banks 1997-2-23 1315 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
  SEINET7073338  Lomatium utriculatum A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  RSA192212  Lomatium vaginatum E. W. Lathrop 1965-3-26 4360 Riverside Tenaja Guard Station, 18 mi. W of Elsinore. Comment
  RSA85578  Lomatium vaginatum J. C. Roos 1952-4-2 5455 Riverside At Edgemont near Box Springs. 488 Comment
  CAS-BOT-BC240674  Lonicera interrupta Peter H. Raven 1958-5-17 12950 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  SEINET3154554  Lonicera subspicata F. M. Reed 1908-7-14 2393 Riverside San Jacinto mts.; ridge above strawberry valley. 1829 Comment
  RSA33622  Lonicera subspicata var. denudata N. C. Cooper 1944-7-15 1582 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  SEINET3815175  Lophocereus schottii John L. Anderson, Duncan Bell and Kim Clark 2013-1 Riverside Comment
  RSA784833  Lotus J. D. Olmsted 1959-4-23 453 Riverside Santa Ana Mountains; 1/4 miles west of Olive grove near mouth of Tin Mine Canyon; 5 miles SW of Corona. 396 Comment
  RSA483573  Lotus crassifolius D. Charlton 1988-5-21 1970 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  RSA5428  Lotus crassifolius Carl B. Wolf 1932-8-4 1540 Riverside Point View near Idyllwild. 1646 Comment
  RSA515326  Lotus hamatus Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro near head of Cole Canyon. 488 Comment
  RSA585745  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-9 0409 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  RSA660945  Lotus hamatus A. C. Sanders 1998-5-2 21754 Riverside Santa Rosa Plateau: Slaughterhouse Canyon, ca. 4 miles (airline) W of Murrieta on Clinton Keith Rd. 488 Comment
  POM319688  Lotus heermannii Patricia Wilder 1971-9-29 5266 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. Base of the San Jacintos. 518 Comment
  UCR161439  Lotus heermannii A. C. Sanders, Mike Misenhelter 2005-9-20 31685 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  RSA0029411  Lotus heermannii John F. Emmel 1995-9-24 1392 Riverside Santa Rosa Mts: open area on flat ridge top 0.9-1.0 air mi ESE of Toro Peak. 2287 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  CLARK-A1528-5009  Lotus purshianus John C. Roos 1937-6-7 2400 Riverside San Jacinto Comment
  RSA789414  Lotus purshianus Naomi Fraga 2008-8-28 2610 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  POM259687  Lotus rigidus P. A. Munz 1940-3-23 15717 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA406789  Lotus rigidus M. B. Dunkle 1935-3-31 4438 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  RSA498793  Lotus rigidus Robert L. Dressler 1949-3-19 425 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
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May 24 2012
  UCR121186  Lotus salsuginosus D. E. Bramlet 1989-4-7 1812 Riverside Perris-Aguanga Basin region, south-facing slope of Bachelor Mtn., area of old mine c. 3200 ft. east of Lake Skinner Dam and 200-700 ft. north of access road 518 Comment
  CSUSB1267  Lotus scoparius Ray O. Perez 1955-5-5 Riverside shady bank 200 yards east of life science building (UCR campus) Comment
  RSA406910  Lotus scoparius N. C. Cooper 1948-5-13 2843 Riverside Morongo Pass. 854 Comment
  RSA0037335  Lotus scoparius subsp. scoparius Bob Rogers 1984-4-21 15 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  CSUSB1370  Lotus strigosus M. H. Frost 1954-6-6 Riverside San Jacinto Mountains San Jacinto Mountains 1371 Comment
  UCR187510  Lotus strigosus Scott D. White 1995-8-23 3584 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  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
  UCR245895  Lotus strigosus R. F. Thorne 1995-3-29 63012 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  POM28287  Lotus strigosus var. strigosus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR116612  Lotus strigosus var. tomentellus A. C. Sanders 2001-3-20 23841 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  UCR6026  Lotus tomentellus A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 8.4 mi. NW of Palm Springs Post Office on Highway 111, 200 yards north of highway 244 Comment
  RSA508337  Lotus unifoliolatus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  POM3166  Ludwigia peploides subsp. peploides D. L. Crawford, I. M. Johnston 1917-6-9 1221 Riverside Santa Ana River near Corona Comment
  RSA783365  Lupinus J. D. Olmsted 1960-4-17 384 Riverside Oat Flats at head of Tin Mine Canyon 9 miles southwest of Corona along Skyline Drive 823 Comment
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Jun 2 2013
  UC865543  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4727 Riverside Moreno Grade Comment
  RSA356739  Lupinus agardhianus R. F. Thorne 1973-5-23 45531 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  UC126993  Lupinus arizonicus S. B. Parish Apr 4 1896-Apr 13 1896 4080 Riverside desert base of San Jacinto Mt. Palm Springs (Agua Caliente) (Palm Springs (Agua Caliente)); , Palm Springs 152 Comment
  UC1952557  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. Comment
  UCR91435  Lupinus bicolor Scott D. White 1995-3-30 2637 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  POM157897  Lupinus bicolor subsp. microphyllus Philip A. Munz 1927-5-21 10895 Riverside Coahuila Valley. 1372 Comment
  POM350064  Lupinus bicolor subsp. microphyllus Bonnie C. Templeton, J. W. Clokey 1930-4-9 1055 Riverside Moreno Grade, S.W. of Beaumont 600 Comment
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Mar 20 2011
  RSA180415  Lupinus bicolor subsp. tridentatus E. W. Lathrop 1960-4-15 4747 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 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
  UCR102121  Lupinus concinnus George K. Helmkamp 1984-5-5 E- 8 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  UCR160688  Lupinus concinnus John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA0028172  Lupinus excubitus John F. Emmel 1988-5-4 1088 Riverside Pechanga Creek wash, 5 air miles SE of Temecula. 348 Comment
  CAS-BOT-BC216700  Lupinus excubitus var. excubitus Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  RSA164794  Lupinus excubitus var. hallii Wesley O. Griesel 1963-5-4 771 Riverside Road between Beaumont and Oak Glen. 1067 Comment
  UCR117078  Lupinus excubitus var. hallii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23952 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 345 Comment
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Apr 3 2011
  UC1542859  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-15 7139 Riverside 5.9 miles southeast of Junction of Idlewild Road and Highway 74 on 74. 1341 Comment
  SEINET6932670 Image available Lupinus formosus W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  UCR252205  Lupinus hirsutissimus 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
  RSA699719  Lupinus hyacinthinus Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  HSC104178  Lupinus latifolius A. C. Sanders, T. B. Salvato 2014-7-2 41161 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  UC73187  Lupinus latifolius var. parishii M. F. Gilman 1904-1 44 Riverside Banning Comment
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Mar 13 2011
  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
  POM12735  Lupinus pallidus Philip A. Munz, D. D. Keck 1922-4-13 4957 Riverside Eagle Mountains. 244 Comment
  SBBG99765  Lupinus sparsiflorus W. L. Halvorson 1977-2-15 77 -27 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC1287153  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside about 5 mi ne Aguanga Comment
  UC63257  Lupinus sparsiflorus H. M. Hall 1904-5-16 4946 Riverside Fairmont Park; vicinity of Riverside 243 Comment
  UC865459  Lupinus sparsiflorus I. W. Clokey 1935-4-17 6710 Riverside Cottonwood Springs Comment
  UCR87665  Lupinus sparsiflorus A. C. Sanders 1994-5-29 14562 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA718870  Lupinus sparsiflorus Michael Honer, L. Hulse 2005-3-8 2035 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  POM2531  Lupinus succulentus C. F. Baker 1904-4-5 4189 Riverside Hemet Comment
  RSA414402  Lupinus truncatus N. C. Cooper 1946-4-5 2039 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA543168  Lupinus truncatus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6078 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA583371  Lupinus truncatus Steve Boyd, Darin L. Banks 1995-4-5 8427 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
  RSA0108983  Lycium andersonii Duncan S. Bell, Amanda Bell 2012-1-29 3077 Riverside Arica Mountains; collecting in the center of the range, approximately 7 air miles southwest of the ghost town of Rice, or 2 air miles west of Priests Well. 438 Comment
  RSA422101  Lycium andersonii N. R. Zabriskie 1969-4-27 207 Riverside Andrea Canyon near Palm Springs. 366 Comment
  RSA49383  Lycium andersonii Philip A. Munz 1949-4-11 12999 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  UCSB24939  Lycium andersonii Keefe, Joseph 1967-3-23 Riverside above Whitewater Canyon Road, 1.0 mile north of U.S. Highway 99, east of Banning 609 Comment
  UCR165293  Lycium brevipes John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  SD134366  Lycium brevipes var. brevipes Craig Reiser 1992-3-19 Riverside South side of UC Riverside campus not far from freeway Comment
  RSA427023  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek. 152 Comment
  SDSU13005  Lythrum californicum Michael G. Simpson 1999-10-27 2047 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC1921997  Lythrum californicum Scott D. White, Angelia Carey 2004-5-7 10342 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
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Jul 25 2019
  UCR230593  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside Peninsular Range; Elsinore Trough, north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  UCR92038  Machaeranthera asteroides Scott D. White 1995-8-23 3589 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  POM362091  Machaeranthera tephrodes E. C. Jaeger 1922-4-9 719 Riverside Blythe along road toward Ripley. Comment
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Jun 8 2012
  POM232417B  Mahonia nevinii Fulmor 1932-9-8 s.n. Riverside On left side of road from Temecula to Oak Grove, San Diego Co., Calif. (about half a mile east of Dripping Springs). Comment
  RSA560865  Malacothamnus densiflorus var. densiflorus Steve Boyd 1992-4-14 6831 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA0119357  Malacothamnus fasciculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4436 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR114809  Malacothamnus fasciculatus Mitch Provance 1998-2-13 19 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  POM12044  Malacothrix californica Mary F. Spencer 1921-4-16 406 Riverside Banning 701 Comment
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Mar 13 2011
  CAS-BOT-BC347689  Malacothrix glabrata L. R. Abrams 1926-3-25 11001 Riverside Near Banning Comment
  HSC99166  Malacothrix glabrata Paul J. CaraDonna 2009-3-15 121 Riverside Cholla Gardens, Joshua Tree National Park Comment
  RSA775943  Malacothrix glabrata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 953 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SBBG66070  Malacothrix glabrata A. J. McClatchie -May-1892 Riverside Elsinore Comment
  UCR244380  Malacothrix glabrata Jim Andre 2012-4-16 20949 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  RSA678946  Malus sylvestris Scott D. White, Michael Honer 2003-6-3 9490 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR51560  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  RSA0004229  Malvastrum densiflorum W. G. Wright 1881-03 200 Riverside Colorado Desert Comment
  RSA335011  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
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Feb 26 2013
  POM316442  Mammillaria dioica Mark Parratt 1962-2-24 115 Riverside 7-8 miles up state Hwy 74 from Palm Desert. 701 Comment
  OBI52753  Marah macrocarpa Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl 381 Comment
  RSA0120002  Marina orcuttii Duncan S. Bell, Thomas Stoughton 2016-4-13 9255 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; west side of Martinez Mountain; northwest section of Little Pinyon Flat. 1267 Comment
  RSA554016  Marina parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12121 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR148309  Marina parryi John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR162979  Marina parryi James C. Dice, K. Nicol 1998-3-24 980324 -1D Riverside NW Colorado Desert, 9 miles (14.4 km) N of Desert Center, along State Hwy 177 163 Comment
  UCR90323  Marina parryi Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  UCR167689  Marrubium vulgare T. B. Salvato, Melissa Clemons 2005-6-23 1288 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  CAS-BOT-BC71093  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  CAS-BOT-BC520441  Matelea parvifolia A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mtns., 8.9 km SE of Gasline Rd,, at narrow wash crossing 701 Comment
  SD234831  Matricaria occidentalis R. E. Riefner Jr. 2004-6-27 4 221 Riverside Paloma Valley; along Scott Road, in general vicinity of Leon Road (Winchester 7.5'Q) 434 Comment
  CSUSB1105  Medicago polymorpha Kirby W. Brown 1966-2-27 Riverside City of Riverside, UCR campus, Canyon Crest Housing 335 Comment
  UCR3351  Medicago sativa T. R. Plumb 1964-4-12 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Campus of Univ. of California, Riverside, Canyon Crest Drive at freeway underpass. 259 Comment
  UCR112734  Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Peninsular Range, Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 567 Comment
  RSA559366  Melica frutescens Steve Boyd, Timothy S. Ross, D. Bramlet 1992-5-13 7378 Riverside San Mateo Canyon Wilderness Area; Wildhorse Canyon from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  JEPS76204  Melica imperfecta W. L. Jepson 1939-4-17 19129 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  RSA249842  Melica imperfecta R. F. Thorne, J. P. Simon, CW Tilforth 1969-6-24 38107 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  POM9534  Mentzelia affinis P. A. Munz, R. D. Harwood 1920-3-20 3370 Riverside 5 miles S of Corona 305 Comment
  JOTR30972  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM13045  Mentzelia albicaulis P. A. Munz, D. D. Keck 1922-4-9 4857 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UCR214548  Mentzelia desertorum A. C. Sanders 2010-3-15 37415 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
  SEINET1908634  Mentzelia dispersa A. C. Sanders, Mitch Provance 2008-1 35767 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 Kreenwild Fire Station (Idyllwild 7.5' Q.) 1463 Comment
  CLARK-A1528-3165  Mentzelia involucrata John C. Roos 1948-4-24 3801 Riverside Whitewater 518 Comment
  JOTR29305  Mentzelia involucrata La Doux, Tasha, Mike Bell 2006-5-17 1382 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR32169  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2321 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  SBBG99189  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCSB4219  Mentzelia involucrata Beeks, Richard 1952-4-4 Riverside 7 miles N of Mecca in Box Canyon Comment
  UCR279554  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2017-3-29 43186 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  PASA1550  Mentzelia laevicaulis Margaret Stason 1931-5-24 Riverside Road to Idyllwild near base Comment
  RSA560833  Micropus californicus Steve Boyd, Timothy S. Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR102895B  Microseris douglasii subsp. platycarpha A. C. Sanders 1997-4-3 20168 B Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR217636  Microseris douglasii subsp. platycarpha John Dvorak, Karyn L. Drennen 2010-4-15 01 Riverside Perris-Aguanga Basin, 1.8km southeast of La Sierra Ave/ Cajalco Rd intersection, 400m south of Cajalco Rd. and 142m north of an old dirt road 438 Comment
  POM13807  Microseris heterocarpa P. A. Munz 1922-4-29 5069 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  POM19636  Microseris lindleyi Mary F. Spencer 1923-6-9 2169 Riverside Idyllwild. San Jacinto Mt. 1828 Comment
  RSA522730  Microseris lindleyi Steve Boyd, Lewis S. Ross, Laurel Arnseth 1990-3-29 3835 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
  UCR152633  Microseris lindleyi A. C. Sanders 2005-4-22 29590 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR167977  Microseris lindleyi T. B. Salvato, John F. Green 2004-5-27 640 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
  UCR25777  Microseris lindleyi John C. Roos 1952-4-30 5610 Riverside Peninsular Range, hills between Camp Haan and Riverside 534 Comment
  UCR34957  Microseris lindleyi L. B. Ziegler 1969-5-8 354 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  RSA0018770  Mimetanthe pilosa Philip A. Munz 1938-8-14 15355 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  UCR234758  Mimulus aurantiacus var. pubescens A. C. Sanders, John F. Green 2012-6-25 40313 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
  SDSU13462  Mimulus aurantiacus var. puniceus Robin P. Silverstein, Taxonomy of Calif. Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Santa Margarita Ecological Reserve. East side of river, 200 m down-river from cement bridge crossing river. 1/10th of a mile south of Northside Field Station. 244 Comment
  UC64228  Mimulus aurantiacus var. puniceus H. M. Hall 1897-2-27 369 Riverside Winchester Comment
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Mar 20 2011
  UC943922  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  RSA649248  Mimulus bigelovii var. bigelovii Sears 1978-3-18 937 b Riverside Corn Springs Wash at Corn Spring, 7 mi. SE of Desert Center. 563 Comment
  SFV15669  Mimulus bigelovii var. bigelovii D. M. Thompson 1988-3-4 824 Riverside Vicinity of Shaver's Well. 7.3 miles from I-10 interchange along Bax Canyon Road to Mecca. North side of road in broad washes. About 100 yards above the road. 280 Comment
  CLARK-A1528-860  Mimulus brevipes C. M. Flanagan 1973-5-31 OO 610 Riverside Morongo Indian Reservation 914 Comment
  RSA33546  Mimulus brevipes N. C. Cooper 1944-5-21 1223 Riverside Hemet. 549 Comment
  UCR179207  Mimulus brevipes Mitch Provance, Tracy Tennant 1998-6-16 MOR- 383 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  RSA570551  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 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
  RSA430184  Mimulus diffusus N. C. Cooper 1949-6-6 2002 Riverside San Jacinto Mts. above Pine Cove 2073 Comment
  RSA80482  Mimulus diffusus F. W. Peirson 1922-4-30 2934 Riverside hills south of Tucalota Creek, below summit to St. Johns grade, road from Hemet to Aguanga Comment
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May 29 2011
  UCR30842  Mimulus fremontii var. fremontii A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3869 Riverside San Jacinto Mtns, Black Mountain: Forest Road 4S01, 3.9 mi above Hwy 243 2012 Comment
  RSA502520A  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA770877  Mimulus guttatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4600 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR114543  Mimulus guttatus A. C. Sanders, K. C. Rose 1999-6-18 22811 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR156100  Mimulus guttatus T. B. Salvato, Kent Beaman 2005-5-16 847 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR240618  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 39 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR257223  Mimulus primuloides Naomi Fraga, Et al. 2008-8-28 2609 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  SEINET7067553  Mimulus viscidus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. UTM Zone 11, 476286mE, 3704448mN. Comment
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Jul 13 2018
  VVC319  Mirabilis bigelovii W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  SEINET191757  Mirabilis californica P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of Banning-Indio Blvd Comment
  UCR207524  Mirabilis laevis O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  CAS-BOT-BC434674  Mirabilis laevis var. crassifolia L. R. Abrams 1926-3-25 10996 Riverside Near Banning Comment
  SD247675  Mirabilis laevis var. crassifolia J. Mark Porter, Lauren E. Machen 1997-2-15 11420 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
  SDSU14058  Mirabilis laevis var. crassifolia Michael Powers 2002-4-2 6 Riverside On north side of Via Tornado Road to north of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 100 feet west of parking lot in riverbed. 233 Comment
  UC7645  Mirabilis multiflora var. pubescens John Van de Venter 1898-6-27 956 Riverside El Toro, Van de Venter's El Toro; San Jacinto Mts 1356 Comment
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Aug 1 2006
  HSC82911  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA408757  Mohavea confertiflora E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Ca - on on Blythe Road. Comment
  SFV17538  Mohavea confertiflora J. F. Lockhart 1998-3-14 s. n. Riverside 2.3 miles south of Interstate 10 on Box Canyon Road. Comment
  SEINET10548356  Mohavea confertiflora David B. Dunn, A. Folsom; Shogo; Schroeder; Bruskin 1948-3-13 Dunn 3721 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA786959  Monardella lanceolata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  RSA401588C  Monardella lanceolata var. lanceolata M. M. Thompson 1947-6-9 C- 2079 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  LA62737  Monardella linoides subsp. linoides Carl Epling; 1942-8-6 sn Riverside 2.5 E of Thomas Mt. Tavern, Pines to Palms Hwy Comment
  UC1499881  Monardella nana Elizabeth McClintock 1941-5-22 Riverside Anza Monument, 5 miles south of Anza on road to Coyote Canyon Comment
  UC1499935  Monardella nana E. McClintock, H. Lewis 1941-6-29 79 Riverside Santa Rosa Mt. road, 4 1/2 miles beyond canyon where stream crosses road Santa Rosa Mt. Comment
  UC597718  Monardella nana Philip A. Munz 1937-5-31 15114 Riverside At Anza Tablet, head of Coyote Canyon, SW Riverside County 1066 Comment
  RSA750418  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 53 Riverside 5.75 miles from the Anza Monument turn off. Comment
  SEINET10582212  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 53 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  UC1499945  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 94 Riverside 3/4 mi beyond Stone Creek (Banning-Idyllwild road) Comment
  RSA65882  Monolepis nuttalliana F. W. Peirson 1918-03 1834 Riverside Field near Indio. Comment
  CAS-BOT-BC349796  Monoptilon bellioides Javier Penalosa 1963-4-10 2779 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC349801  Monoptilon bellioides Mrs. Jos. Clemens 1922-4-10 s.n. Riverside Mecca Comment
  JEPS30534  Monoptilon bellioides Peter H. Raven 1958-2-15 11571 Riverside Corn Springs Chuckwalla Mountains Comment
  POM7906  Monoptilon bellioides P. A. Munz, R. D. Harwood 1920-4-4 3512 Riverside Pass south of Palm Springs. 152 Comment
  RSA124110  Monoptilon bellioides P. C. Everett, B. K. Balls 1958-4-29 22959 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  UCR60767  Monoptilon bellioides Steve Boyd, O. Mistretta 1986-3-13 1461 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  CAS-BOT-BC444861  Montia fontana Peter H. Raven 1959-5-17 14227 Riverside Lake Fulmor, San Jacinto Mountains Comment
  UCR113921  Muhlenbergia asperifolia Mitch Provance, A. C. Sanders 2000-7-4 2112 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 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
  JOTR36006  Muhlenbergia microsperma Harding, Mitzi, T. Herskovits 2012-3-16 214 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA613424  Muhlenbergia microsperma D. L. Banks 1997-4-5 1668 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR138617  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains, Snow Canyon, foot of Mount San Jacinto 579 Comment
  JOTR34100  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  CAS-BOT-BC274913  Muhlenbergia rigens H. M. Hall 1901-6-1 2427 Riverside San Jacinto Mountains. Tauquitz Valley 1889 Comment
  UCR116064  Muilla maritima O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  VVC542  Muilla maritima A. C. Sanders, J. Mac 1997-5-4 20699 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA356715  Myosurus minimus subsp. apus Robert F. Thorne, Earl Lathrop 1975-5-25 45564 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  SD105726  Myosurus minimus var. apus T. Cass 1979-6-1 Riverside Vernal pool, Mesa de Burro, Santa Rosa Plateau 680 Comment
  SBBG118490  Myriopteris parryi L. C. Wheeler 1964-10-17 8638 Riverside S of Hayfield Reservoir (lake), north side Orocopia Mtns Comment
  RSA0043141  Nama demissa Duncan S. Bell 2009-4-19 300 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  RSA253658  Nama demissa Noel Holmgren 1973-3-23 6485 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  UCR169920  Nama demissa Scott D. White, Jennifer H. Jones 2005-4-21 10945 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR214291  Nama demissa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37481 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
  UCR241518  Nama demissa A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40640 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  JOTR38692  Nama demissa var. demissa Hodges, Stephen R. 2017-2-7 708 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
  SD193304  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 Riverside Mystic Lake, lakeshore west sof Bridge Street intersection with Gilman Springs Road. 436 Comment
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  RSA615323  Nassella lepida Scott D. White 1997-5-25 5226 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing. 793 Comment
  UC1133175  Nassella lepida A. Lewis Mar 1934 327 Riverside Bedford Canyon Corona Quadrangle Comment
  RSA386942  Nassella pulchra K. Tomlinson, D. Kama, Robert F. Thorne 1985-3-27 890 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA388319  Navarretia atractyloides Steve Boyd 1986-5-7 1848 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UC849823  Nemacaulis denudata var. gracilis Alice Eastwood 1913-4-30 2972 Riverside Palm Springs Comment
  SEINET10464925  Nemacladus Wagnon 1944-3-26 WAGNON 362 Riverside Among stones, in sand, open sun all day. Cathedral Canyon, Cathedral City Comment
  RSA642081  Nemacladus longiflorus var. longiflorus Orlando Mistretta, Mark Elvin 1995-6-19 1782 Riverside San Jacinto Mountains: Highway 74 and Pacific Crest Trail. 1493 Comment
  RSA586852  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-5-3 0271 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA614866  Nemacladus ramosissimus D. L. Banks 1997-4-5 1710 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  SBBG101661  Nemacladus ramosissimus S. Boyd 1991-5-20 6260 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  SD260929  Nemacladus ramosissimus Andrew C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd, and east of the creek (Murrieta 7.5'Q) 395 Comment
  UCR280956  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 59 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA777652  Nemacladus rubescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 A Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR88123  Nemacladus rubescens A. C. Sanders, G. Nuhn 1995-4-20 16579 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA676117  Nemacladus tenuis var. aliformis Scott D. White 2001-4-3 8251 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA523373  Nemophila menziesii G. H. True 1935-3-1 28 Riverside Box Springs. 366 Comment
  UCD120076  Nemophila menziesii Robert C. Bechtel 1952-3-28 25 Riverside Perris. 443 Comment
  UC63801  Nemophila menziesii var. integrifolia H. M. Hall July, 1901 2266 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 1554 Comment
  RSA776228  Nemophila menziesii var. menziesii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 876 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  RSA667126  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside Corona, SW side of I-15, between Taber and Ontario Streets 277 Comment
  RSA0060149  Nicotiana clevelandii D. L. Banks, Steve D. Boyd 1995-10-17 813 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns to the E., Just W of the Metasedimentary hills. 524 Comment
  CAS-BOT-BC233451  Nicotiana glauca S. B. Parish 1913-9-20 8622 Riverside Mecca, Salton Sink 57 Comment
  RSA0036809  Nicotiana glauca Bob Rogers 1984-4-21 17 Riverside Along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  JOTR35340  Nicotiana obtusifolia Harding, Mitzi, Mark Wheeler 2012-2-28 106 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA25296  Nicotiana obtusifolia C. Leo Hitchcock 1940-3-31 5889 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UCR132745  Nicotiana obtusifolia Scott D. White 1993-2-5 1044 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCSB41768  Nicotiana obtusifolia Sense, Nancy 1976-4-13 Riverside Shaver's Wells, Box Canyon, Box Canyon Road from I-10 to Mecca Comment
  RSA0060160  Nicotiana quadrivalvis Scott D. White, M. A. Patten 1995-8-16 3552 Riverside San Jacinto Valley. Just W of Hemet, valley floor and foothills at SE margin of Lakeview Mts. N of Florida Ave. (SR 74) and W of California Ave. 470 Comment
  UCR174031  Nicotiana quadrivalvis A. C. Sanders 2006-5-19 32426 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
  RSA305665  Nolina parryi Walter Wisura, C. W. Tilforth 1979-10-11 1924 Riverside South end of Thomas Mountain Road, west of Highway 74, south of Lake Hemet. Comment
  SBBG14836  Notholaena californica L. L. Kiefer 1963-3-24 481 Riverside Andreas Cyn 182 Comment
  POM886  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  CLARK-A1528-34  Notholaena newberryi Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  CDA38122  Oenothera californica T. C. Fuller 1958-9-23 2196 Riverside 3 miles east of Anza. 0 Comment
  UCR262447  Oenothera californica John F. Green 2015-6-23 615- 01 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  RSA649936  Oenothera claviformis L. Fountain 1966-2-23 18 Riverside Colorado Desert [along Highway] 60, 1 mile south of Garnet. Comment
  UC635277  Oenothera deltoides subsp. deltoides Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  RSA0056392  Oenothera leptocarpa James R. Shevock 1972-3-5 1420 Riverside Highway 71, near Pauba Valley. 304 Comment
  POM14009  Oenothera primiveris subsp. bufonis P. A. Munz, D. D. Keck 1922-4-9 4748 Riverside Shavers Well, near Mecca. 76 Comment
  CAS-BOT-BC427459  Oligomeris linifolia H. M. Hall 1905-6-1 6238 Riverside Vicinity of Riverside 365 Comment
  JEPS25892  Oligomeris linifolia S. B. Parish 1913-2-28 8481 Riverside Mecca; Salton Sink -60 Comment
  POM85035  Oligomeris linifolia Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR26903  Oncosiphon piluliferum Polly Schiffman 1981-5-19 021 Riverside Lake Perris State Recreation Area, Moreno Beach Road, 1.75 mile south from northern entrance gate 488 Comment
  SEINET8674695  Opuntia X vaseyi Rosemary Trelease, Nancy Foisy, Joni Ward 2004-4-27 54525 Riverside Originally received into the Desert Botanical Garden living collection as a plant collected by Bruce Parfitt 3503 19 April 1986 with R. Anthony and A. Sanders from California, Riverside County, Pauba Valley, Highway 79 crossing of Temecula River (or Creek), 4.6 miles east of junction with road to Pala in the vicinity of the given coordinates as determined by Google Earth; collector's notes: Spiny and spineless pads on same plant; sage scrub hillside E of creek and S of highway. 1000 Comment
  SEINET10447235  Opuntia basilaris David B. Dunn 1946-3-16 Dunn 2057 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Comment
  UCR167374  Opuntia basilaris 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
  UCR282055  Opuntia basilaris Nathan Moorhatch, Michael D. Wilcox 2017-9-5 s.n. Riverside Riverside, Canyon Crest area, Box Springs Canyon just above flood control basin, north of Central Ave and east of Canyon Crest Dr. 346 Comment
  UCR125198  Opuntia littoralis Mitch Provance 1998-5-24 530 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  POM306431  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside Palms-to-Pines Hwy, east side; San Jacinto Mts. 1220 Comment
  POM284052A  Opuntia vaseyi Lyman Benson 1955-12-6 15620 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  CLARK-A1528-1043  Orcuttia californica Walton Wright 1977-8-15 Riverside Santa Ana Mountains Comment
  SD28121  Oreostemma alpigenum var. andersonii Carl B. Wolf 1932-8-5 3953 Riverside San Jacinto Mountains, On trail from Tahquitz Valley to San Jacinto Peak. 2745 Comment
  UC489212  Oreostemma alpigenum var. andersonii C. V. Meyer 1928-7-31 600 Riverside Tahquitz Valley , San Jacinto Mts. 2286 Comment
  JEPS85951  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4529 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  SBBG68733  Orobanche cooperi L. Rowntree 1930-5-8 Riverside Mecca Comment
  SEINET8854071 Image available Orobanche fasciculata G. Yatskievych, K. G. Preston, Mafham 1981-1 81 -137 Riverside California Highway 74, about 4 miles southeast of Bee Canyon 823 Comment
  UCR201478  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  CAS-BOT-BC327927  Palafoxia arida Louis C. Wheeler 1931-11-26 368 Riverside Salton Bench Mark, Colorado Desert -15 Comment
  CAS-BOT-BC327944  Palafoxia arida W R O no date on sheet 0423 Riverside Abandoned gravel pit between Colorado aqueduct and Granite Mts. Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  UC166696  Palafoxia arida var. arida Geo. B. Grant May 1-10, 1906 906 -6748 Riverside Palm Springs Colorado Desert Comment
  UC39300  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork San Jacinto River San Jacinto Mountains, North Fork San Jacinto River (Southern California) 914 Comment
  RSA557879  Panicum capillare Steve Boyd, O. Mistretta 1992-4-23 7051 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
  UC1608040  Panicum maximum A. C. Sanders with O. F. Clarke 1991-9-3 11159 Riverside Australian Section of the UCR Botanical Garden. Garden Grid Cell Q-5 Riverside Comment
  SD204783  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 Riverside North foot of San Jacinto Mountains between Snow Creek Road and Highway 111. 366 Comment
  SEINET1909740  Panicum urvilleanum Sarah De Groot, Mark Porter 2006-1 5199 Riverside North foot of San Jacinto Mountains, between Snow Creek and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  SEINET273060 Image available Parietaria hespera A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area;along foot trail at W base of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reser. 518 Comment
  RSA559424  Parietaria hespera var. hespera Steve D. Boyd 1992-4-15 6877 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR124096  Parietaria hespera var. hespera Steven R. Hill 2001-5-3 33659 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
  SBBG68551  Parkinsonia florida H. and M. Dearing 1930-4-14 Riverside between Salton Sea and Palm Springs Comment
  UCR33888  Parthenium incanum A. C. Sanders 1982-9-24 2965 Riverside City of Riverside, Univ. of Calif. experimental fields Comment
  UCR113973  Parthenocissus vitacea Mitch Provance, A. C. Sanders 2000-7-4 2099 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA599120  Paspalum dilatatum V. W. Steinmann, D. L. Banks 1996-4-20 846 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  RSA134370  Pectis papposa L. S. Rose 1959-1-8 59004 Riverside La Tuna Canyon, along La Tuna Canyon Road.La Quinta. 15 Comment
  JOTR31803  Pectis papposa var. papposa La Doux, Tasha, Bill Truesdell 2007-11-9 2511 Riverside Joshua Tree National Park. Pinto Basin, where Fried Liver Wash crosses Pinto Basin Road; between Hexie and Pinto Mountains (Stop 1) 532 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  JEPS68184  Pectocarya heterocarpa W. L. Jepson 1927-4-12 11647 Riverside Mecca Hills, Painted Canyon 76 Comment
  RSA708432  Pectocarya linearis Scott D. White 2005-3-29 10847 Riverside 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
  UCR265586  Pectocarya linearis Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 5 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA502911  Pectocarya linearis subsp. ferocula Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  SD144478  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386 Ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR23545  Pectocarya penicillata John C. Roos 1966-4-5 s.n. Riverside Hills near Winchester Comment
  SEINET7063462  Pectocarya platycarpa A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR85242  Pectocarya platycarpa A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15995 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA0124824  Pectocarya recurvata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8750 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA777536  Pectocarya recurvata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 896 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR85238  Pectocarya recurvata A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 16000 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA0036643  Pectocarya setosa Robt. Allen, Fred M. Roberts Jr., Steve D. Boyd, Andrew C. Sanders 2009-4-10 s.n. Riverside Peninsular Ranges; Santa Ana Mountains region: Elsinore Mountains, 676 air meters (0.42 air miles) southeast of Elsinore Peak summit. 1002 Comment
  RSA5899  Pedicularis semibarbata Carl B. Wolf 1932-8-5 3972 Riverside Slopes of San Jacinto Peak, 1/2 / 2/3 mi. below simmit of trail to Idyllwild. 3049 Comment
  RSA709082  Pellaea mucronata T. B. Salvato, John F. Green 2004-5-27 626 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
  UCR135843  Pellaea mucronata A. C. Sanders 2004-4-20 27532 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
  RSA686922  Pellaea mucronata subsp. californica T. R. Pray 1956-11-11 1057 Riverside Santa Rosa Mountain, S side of summit ridge 2439 Comment
  CAS-BOT-BC77192  Pellaea mucronata subsp. mucronata C. B. Wolf 1931-5-11 1958 Riverside San Jacinto Mts. - rocky places near Pipe Creek above Hemet Valley 1676 Comment
  LA105726  Pennisetum setaceum Dave Hawks; 1986-4-17 sn Riverside Whitewater River channel, 1 mi S of Hwy I-10 and 2 mi. W of Indian Ave, 259 Comment
  SEINET244777  Penstemon centranthifolius Ian G. Gillespie, Summer Karsh 2000-5-13 42 Riverside SanJacinto Mountains; ca 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  UCR121247  Penstemon centranthifolius Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  NY583959  Penstemon clevelandii var. connatus B. J. Ertter 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road (Forest Road 7S02) from Highway 74 (Pines to Palms Highway) 1585.0 Comment
  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
  JEPS11570  Penstemon clevelandii var. mohavensis J. B. Feudge 1926-5-9 1584 Riverside Keyes Ranch Conchilla Mountains, Little San Bernardino Mts. 1219 Comment
  UC887103  Penstemon labrosus Edmund C. Jaeger 1921-7-8 Riverside Idylwild , Idylwild (San Jacinto Mts.) 1584 Comment
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Nov 5 2011
  SEINET2043265 Image available Penstemon pseudospectabilis Howard Scott Gentry 1957-4-20 7635 Riverside Gentry Farm: 3miles NE of Murrieta. 396 Comment
  RSA0014860  Penstemon rostriflorus N. C. Cooper 1949-6-29 4279 Riverside Palms to Pines Highway. 1220 Comment
  UCR213573  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37815 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
  UCR37460  Penstemon spectabilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  JOTR16855  Penstemon thurberi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  UC2029973  Pentachaeta aurea S. D. White, Bill La Haye 2000-5-27 7953 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. Comment
  RSA802099  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam 2013-5-21 4970 Riverside In Dry Creek below Strawberry Valley to the north of Chalk Hill and about 1.25 air miles south of Idyllwild. 1547 Comment
  UCR269176  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5013 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  UCR227004  Peritoma arborea Jim Andre 2011-2-2 16235 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  JOTR34375  Peritoma arborea var. arborea Andre, Jim 2012-4-16 20895 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA651715  Perityle emoryi Viki Cruz 1983-5-8 006 *k Riverside Collected on a slope in between some large rocks about three-quarter mile into Magnesia Canyon, Santa Rosa Mts. Comment
  UC831551  Perityle emoryi I. W. Clokey and B. C. Templeton 1930-4-9 4700 Riverside n Palm Springs; Colorado Desert 170 Comment
  CAS-BOT-BC167773  Petalonyx thurberi Milo S. Baker 1928-4-3 2793 b Riverside Palm [Canon] Canyon Road to Palm Sps. Comment
  POM84173  Petalonyx thurberi Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  SBBG4891  Petalonyx thurberi subsp. thurberi H. and M. Dearing 1940-6-7 4322 Riverside 7 mi N of Palm Springs Comment
  SD125665  Petunia violacea A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the north side of Spruce St. between Rustin and Canyon Crest. 299 Comment
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Apr 5 2016
  CLARK-A1528-2028  Peucephyllum schottii John C. Roos 1966-2-5 Riverside Indio Hills Comment
  RSA20298  Peucephyllum schottii Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  NY1058215  Phacelia ambigua N. H. Holmgren 1974-3-23 7464 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  RSA26586  Phacelia ambigua J. T. Howell 1928-3-24 3504 Riverside Near Palm Wash, 35 miles S of Indio and 5 miles W of Hwy Crumbly clay soil. Comment
  RSA475289  Phacelia ambigua Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, Tim Ross, D. Nordin 1988-3-10 2101 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA75503  Phacelia brachyloba F. W. Peirson 1924-7-29 5021 Riverside Road between Banning and Idyllwild. 1768 Comment
  UCR207551  Phacelia brachyloba O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UC702057  Phacelia campanularia subsp. campanularia Harlan Lewis 1946-4-21 Riverside side canyon about 3 1/2 mi n Hiway 99; Whitewater Canyon Comment
  SDSU18727  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-12 523 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UC284681  Phacelia cicutaria var. hispida Miss Johnston Mar 1917 Riverside Palm Springs Colorado Desert Comment
  SEINET7048178  Phacelia cicutaria var. hispida Steven R. Hill 2001-5-3 33684 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA614227  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  POM306723  Phacelia crenulata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1719 Riverside Near Desert Center-Indio. Comment
  UCR112089  Phacelia crenulata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23363 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  CAS-BOT-BC133958  Phacelia crenulata var. ambigua John H. Thomas 1957-3-30 6531 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  CAS-BOT-BC133966  Phacelia crenulata var. ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon Comment
  JEPS2303  Phacelia crenulata var. ambigua E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA0031421  Phacelia crenulata var. ambigua Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4470 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UC572247  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6409 Riverside 3 mi n Palm Springs; San Jacinto Quadrangle 213 Comment
  UCR75096  Phacelia crenulata var. ambigua A. C. Sanders, E. J. Lawlor 1992-4-4 12091 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0119975  Phacelia crenulata var. minutiflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9092 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA426072  Phacelia distans E. A. McGregor 1966-3-21 s.n. Riverside Coachella Valley, San Diego County. [Riverside Co] Comment
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Mar 4 2009
  RSA74148  Phacelia distans F. W. Peirson 1922-4-9 956 Riverside Lower part of Murray Canyon, near Palm Springs Comment
  UCR91737  Phacelia distans A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18097 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UC672713  Phacelia imbricata subsp. patula Harlan Lewis 1942-1 1709 Riverside near Idyllwild; Saunders Meadow Comment
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Sep 23 2013
  POM229428  Phacelia lemmonii P. A. Munz 1937-5-29 15101 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCR35128  Phacelia minor L. B. Ziegler 1967-2-15 106 Riverside San Jacinto Valley, hills north of Lakeview. 457 Comment
  UCR50414  Phacelia minor D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  RSA428115  Phacelia mutabilis M. B. Dunkle 1933-7-19 3680 Riverside Upper Tahquitz Valley. Strawberry Creek. 2409 Comment
  POM14110  Phacelia neglecta P. A. Munz, D. D. Keck 1922-4-9 4873 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA699573  Phacelia parryi Kenneth Beard 1934-04 s.n. Riverside Hills along Ortega Highway, south of San Juan Hot Springs Comment
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Oct 31 2011
  SEINET1004522  Phacelia ramosissima Mitch Provance 2003-1 6527 Riverside San Bernardino Valley: S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just S of Fontana (in the southridge area), along the NW slopes of the Jurupa Mountains, ca. 0.3 miles ENE of peak 1437. 317 Comment
  CAS-BOT-BC145000  Phacelia ramosissima var. latifolia Peter H. Raven; R. Snow 1957-7-26 11090 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  RSA691955  Phalaris aquatica Scott D. White, Michael Honer 2003-4-9 8977 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR123698  Phalaris canariensis T. B. Salvato 1999-5-31 109 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR220338  Phalaris lemmonii D. E. Bramlet 1991-5-7 2128 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
  LA9200  Phalaris minor F. M. Reed; 1905-5-7 740 Riverside Box Spring Mts, Summit of Pigeon Pan Comment
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Feb 23 2014
  UCR82279  Phalaris minor J. M. Stewart 1994-5-2 849 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  POM229796  Phlox austromontana P. A. Munz 1937-5-30 15135 Riverside Santa Rosa Peak. 2226 Comment
  CAS-BOT-BC219552  Pholisma arenarium James N. Clark 1926-5-16 s.n. Riverside Near Gold Coin Mine Comment
  JEPS89195  Pholistoma membranaceum Rimo Bacigalupi, L. Heckard, and P. C. Hutchison 1962-3-23 8359 Riverside 1.9 mi. s.w. San Bernardino Co. line (lower end of Morongo Wash); Morongo Wash 609 Comment
  RSA132732  Phoradendron californicum Del Wiens 1953-12-5 866 Riverside Several mi. south of Cottonwood Springs, Joshua Tree National Monument. 213 Comment
  SEINET6065450  Phoradendron californicum Louis Wheeler 1964-10-17 8641 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCSB1316  Phoradendron californicum Gray, Caroline 1956-4-14 Riverside Northern Desert slope 2 mi. opposite Southern entranceof Joshua Tree National Monument Comment
  RSA592672  Phoradendron densum Scott D. White, D. Haselfeld 1996-7-2 4264 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR37483  Phoradendron macrophyllum Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  RSA489836  Phoradendron pauciflorum D. Charlton 1988-5-28 2134 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  SBBG56843  Phragmites australis R. H. Nordhoff 1940-11-10 Riverside Thousand Palms Cyn Comment
  UC699665  Phyla lanceolata Kay H. Beach 1942-10-22 1660 Riverside three mi nw Corona city limits (along Chino Creek); along Chino Creek 198 Comment
  JOTR36018  Physalis crassifolia Harding, Mitzi, T. Herskovits 2012-3-16 225 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA788987  Physalis crassifolia Aaron C. Sedgwick, David Fraker 2012-3-28 18 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR37627  Physalis crassifolia George K. Helmkamp 1984-5-2 D 19 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  JOTR32858  Physaria tenella La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. southeastern Hexie Mountains, near Smoke Tree Wash along Rte 11 Comment
  RSA757463  Pilularia americana R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55206 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  SEINET2149955  Pinus californiarum S. Langer 2000-1 s.n. Riverside Thomas Mountain area. 1524 Comment
  UCR241203  Pinus coulteri Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1013 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UCSB9212  Pinus jeffreyi Koran, Jr., John 1958-5-16 Riverside 5.2 miles east of Idyllwild on Idyllwild-Banning Hwy. 1584 Comment
  SFV268  Pinus monophylla M. L. Vincent, R. H. Swade 1963-10-19 440 Riverside Roadside on California state Highway 74, near the road to Pinyon Flat. 1220 Comment
  UCSB131  Pinus ponderosa Bobkowski, Jr., Vincent 1960-5-15 Riverside 5.2 miles northwest of Idyllwild on road to banning, San Bernardino National Forest, San Jacinto Mountains Comment
  UC188  Pinus quadrifolia H. M. Hall 1899-5-25 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  UCSB145  Pinus quadrifolia Sager, Ginny 1960-5-15 Riverside 0.2 miles from Highway 74 on road to Anza Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR130264  Pistia stratiotes Robert Noll 2003-10-7 s.n. Riverside Sonoran (Colorado) Desert, Salton Sink, north end of the Salton Sea, along Johnson St. -70 Comment
  RSA180513  Plagiobothrys acanthocarpus E. W. Lathrop 1960-3-25 4687 Riverside 14 miles west of Murrieta. Comment
  RSA632133  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 548 Comment
  RSA717338  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -B Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA653420  Plagiobothrys canescens Scott D. White 1999-5-24 7387 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SEINET7063135  Plagiobothrys canescens A. G. Vestal 1963-3-26 s.n. Riverside Near Wood Canyon ?, Banning. UTM Zone 11, 511375mE, 3751508mN. (WGS84/NAD83). 701 Comment
  UCR240055  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-28 38814 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR92698  Plagiobothrys canescens A. C. Sanders, O. F. Clarke 1996-4-13 18038 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA9016  Plagiobothrys canescens P. A. Munz, R. D. Harwood 1920-3-20 3383 Riverside 5 miles S of Corona. 305 Comment
  SEINET7073313  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UC78057  Plagiobothrys collinus var. californicus Edward Lee Greene 1885-1-1 Riverside Temecula Station Comment
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Mar 27 2011
  UCR249835  Plagiobothrys collinus var. californicus T. B. Salvato, John Lovio 2013-3-19 7357 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR250381  Plagiobothrys collinus var. fulvescens A. C. Sanders, John F. Green 2014-4-4 40968 Riverside Peninsular Range; Elsinore Trough, Temescal Canyon, south of I-15 Freeway, 750 m SE (143 deg. ) of the Horse Thief Canyon Rd. intersection 396 Comment
  SEINET7073468  Plagiobothrys nothofulvus 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
  SD39270  Plagiobothrys undulatus Edith A. Purer 1936-4-6 6881 Riverside Vernal pool south of Elsinore. Comment
  UCR31291  Plagiobothrys undulatus A. C. Sanders, Theo Glenn 1983-4-17 3729 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA660904  Plantago erecta Mitch Provance 1998-4-9 407 Riverside VABM 1031, Hill traditionally called ''Lionshead'', or variously referred to as ''Challen Hill'', located near the corner of Harrison St. and California Ave. in the Arlington area of the city of Riverside. 259 Comment
  CSUSB1065  Plantago hookeriana Kirby W. Brown 1966-4-7 Riverside Highway 71, 6.8 miles east of Temecula. 365 Comment
  CLARK-A1045-128  Plantago insularis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  OBI53571  Plantago ovata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2104 Riverside N end Palen Mts, 2 mi W of Palen Pass 300 Comment
  RSA796540  Plantago ovata Jim Andre 2012-3-19 21354 Riverside Chuckwalla Valley. Along Hwy 177, 8.6 mi NE of Jct with I-10. 152 Comment
  UC1922710  Plantago ovata Michael Honer with L. Hulse 2004-4-4 1928 Riverside Colorado Desert; Little San Bernardino Mountains region: SW base of Cottonwood Mtns., near MWD aqueduct, appx. 0.75 mi. N of I-10. E edge of Pinkham Wash. Comment
  POM46952  Plantago ovata var. fastigiata Mary F. Spencer 1918-4-13 801 Riverside Palm Springs. 137 Comment
  RSA402041B  Plantago ovata var. fastigiata F. R. Fosberg 1932-3-13 8074 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  POM8833  Plantago patagonica Mary F. Spencer 1920-4-10 801 Riverside Palm Springs. Colorado Desert. 122 Comment
  RSA0120328  Plantago patagonica Duncan S. Bell, Thomas Stoughton 2016-4-14 9290 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  CSUSB1033  Platanus racemosa A. Belding 1967-5-12 S.N. Riverside B.S.A. Camp Evans, at the end of Indian Hill Rd. Riparian Valley Comment
  UCR182820  Platanus racemosa R. E. Riefner Jr. 2006-9-19 06- 445 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River 301 Comment
  SEINET12102791  Platystemon californicus E. A. Purer 1935-1 6440 Riverside Pine Valley on Pines to Palms Highway Comment
  CAS-BOT-BC326639  Pleurocoronis pluriseta Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6412 Riverside 12 airline miles north of downtown Blythe, Big Maria Mountains 289 Comment
  CLARK-A1528-1104  Pleurocoronis pluriseta John C. Roos 1946-10-26 3141 Riverside Chuckwalla Mountains 487 Comment
  RSA5370  Pleurocoronis pluriseta B. D. Stark 1932-6-17 3751 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert 305 Comment
  CAS-BOT-BC326547  Pluchea sericea Herman Knoche 1919-6-1 592 Riverside Palm Springs Comment
  UCSB39093  Pluchea sericea Jorgensen, Jan 1982-3-6 Riverside Coachella Valley, along Avenue 66, Coachella 70 Comment
  RSA801723  Poa howellii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6168 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  UCD91782  Poa secunda subsp. secunda F. W. Peirson 1933-4-15 10655 Riverside Whitewater River, 4.5 miles above bridge. 701 Comment
  UCR189555  Polygala cornuta var. fishiae Diane Menuz 2007-8-2 334 Riverside Penninsilar Range- Santa Ana Mountains, Santa Margarita Ecological Reserve; along Temecula Canyon, c. 600 m from Santa Margarita River crossing 230 Comment
  UC1192350  Polygonum argyrocoleon Malcolm A. Nobs and S. Galen Smith 1948-9-3 501 Riverside 2 mi n Indio; Imperial Valley Comment
  UCR201626  Polygonum aviculare Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA689923  Polypodium californicum Norman C. Cooper 1947-4-5 2033 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SDSU13921  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  JOTR16788  Polypogon monspeliensis Moore, Sue 1967-5-3 s.n. Riverside Joshua Tree National Park. WHITE TANK 1219 Comment
  SD234028  Polypogon monspeliensis Nancy Ryan Zabriskie 1973-3-21 593 Riverside Deep Canyon, north slope, Santa Rosa Mountains. In front of Deep Canyon Research Center building. 292 Comment
  UCR2723  Polypogon monspeliensis F. M. Reed 1906-5-19 960 Riverside Riverside, Rubidoux Ave. near Brockton Ave. 250 Comment
  IRVC169  Polystichum imbricans subsp. curtum Bruce Reynolds 1965-4-24 HS 557 Riverside Route 74; 1/4 mile S of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  SEINET10767438  Populus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12842 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
  RSA191416  Populus fremontii E. W. Lathrop, Robert F. Thorne 1967-9-26 6646 Riverside 6 miles NW of Murrieta. Comment
  UCR121103  Populus fremontii A. C. Sanders 2002-3-5 24890 Riverside San Jacinto River Valley, State St. at the NW edge of the town of San Jacinto, near Mt. San Jacinto College on the south side of the river 457 Comment
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Mar 31 2014
  UCR128248  Populus fremontii A. C. Sanders, Kelly Volansky 2003-10-16 27339 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  CAS-BOT-BC356164  Porophyllum gracile Carl B. Wolf 1932-4-27 3052 Riverside Colorado Desert. 1 mi. off Mecca-Blythe Road. Lower end of Lost Palms Canyon at 1st. rocky hills 243 Comment
  HSC6072  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside In Mule Mts.; 20 mi. SW of Blythe Comment
  JOTR31985  Porophyllum gracile La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2220 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; small bowl with underground water seep at top of bouldery canyon 815 Comment
  RSA506841  Porophyllum gracile Steve Boyd 1985-7-23 s.n. Riverside De Luz Rd., 3.5 mi west of jtn with Tenaja Trail. Comment
  RSA286796  Potamogeton foliosus Robert F. Thorne 1974-5-23 44659 Riverside Santa Rosa Plateau, Rancho California; near junction of Tenaja Road and road to ranch headquarters. 610 Comment
  UC123556  Potamogeton foliosus F. M. Reed 1906-7-31 1154 Riverside Riverside and vicinity Riverside Comment
  UCR119563  Potamogeton pectinatus L. C. Wheeler 1953-3-30 7034 Riverside Sonoran (Colorado) Desert, Alligator Slough on the Colorado River Comment
  POM13649  Potentilla gracilis var. fastigiata Philip A. Munz 1922-7-6 5986 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA795933  Prenanthella exigua Duncan S. Bell 2009-4-19 263 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR242713  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40439 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  UCR108726  Prosopis glandulosa Scott D. White, Sandy Leatherman 1998-4-15 6284 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  JEPS46478  Prosopis glandulosa var. torreyana W. L. Jepson Oct. 1912 Riverside Colorado River Comment
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  UCR17319  Prosopis glandulosa var. torreyana Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  UC65756  Prosopis pubescens E. E. Schellenger 1904-10-18 56 Riverside Dos Palmas; Colorado Desert Comment
  UC519873  Prunus fasciculata N. Dunn, A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UCR17466  Prunus fasciculata N. R. Zabriskie, W. W. Zabriskie 1971-4-9 386 Riverside Peninsular Range; Santa Rosa Mtns., Below level of road, 10 feet south of Hwy 74 between Sugar Loaf Cafe and entry gate to service road. Deep Canyon watershed, north slope of Mtns 1220 Comment
  UC729658  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek Canyon, just above fish hatchery, n base of San Jacinto Mountains Snow Creek Canyon; San Jacinto Mountains, Snow Creek Canyon 670 Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  CAS-BOT-BC356333  Psathyrotes ramosissima S. B. Parish 1912-6-28 8115 Riverside Mecca Comment
  CAS-BOT-BC356345  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca-Blythe Road Comment
  CAS-BOT-BC356355  Psathyrotes ramosissima W. R. Dudley 1903-12-28 s.n. Riverside Desert near Palm Springs Station Comment
  POM10451  Psathyrotes ramosissima Charlotte M. Wilder 1907-04 s.n. Riverside Palm Springs Station Comment
  POM13052  Psathyrotes ramosissima P. A. Munz, D. D. Keck 1922-4-12 4839 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  SBBG62540  Psathyrotes ramosissima M. N. Ackley -Feb-1926 301 Riverside Painted Cyn, near Mecca 76 Comment
  UCR274765  Psathyrotes ramosissima Thomas R. Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 723 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  RSA94085  Psathyrotes ramosissima F. W. Peirson 1927-4-12 7165 Riverside Forks of Painted Canyon, near Mecca 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
  UCR183017  Pseudognaphalium biolettii Mitch Provance 2003-5-5 4429 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR91458  Pseudognaphalium biolettii Scott D. White 1995-3-30 2678 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  CAS-BOT-BC356791  Pseudognaphalium californicum Steve Boyd; Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  SD232607  Pseudognaphalium canescens Scott D. White 1996-8-15 4471 Riverside San Jacinto Mts: Idyllwild area: Alvin Meadows and unnamed canyon upstream. Site is at upper margin of area burned in July 1996. 1525 Comment
  RSA0121381  Pseudognaphalium luteoalbum Duncan S. Bell, LeRoy Gross 2016-3-30 9146 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC468788  Pseudognaphalium stramineum E. E. Schellenger 1906-4-3 13 Riverside Paloverde Valley Colorado Desert, Paloverde Valley Comment
  UCR22137  Psilocarphus brevissimus var. brevissimus Steve Boyd 1980-5-17 286 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  CAS-BOT-BC353580  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-11 6024 Riverside Cottonwood Mountains, Colorado Desert 609 Comment
  LA205187  Psorothamnus emoryi W. B. Welch; 1928-5-5 sn Riverside Painted Canyon Comment
  SEINET10906978  Psorothamnus emoryi Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 31 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  SEINET12155978  Psorothamnus emoryi E. A. Purer 1935-1 6463 Riverside In Colorado Desert near Palm Springs Comment
  SFV17324  Psorothamnus fremontii J. N. Hogue, J. D. Dilley (269) 1998-4-23 108 .7 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  CAS-BOT-BC340898  Psorothamnus schottii Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Palm Springs Comment
  UC1280845  Psorothamnus schottii H. E. McMinn 1935-6-27 4059 Riverside Palms to Pines Highway Desert slope, Palms to Pines Highway (Desert Slope) Comment
  CAS-BOT-BC340949  Psorothamnus spinosus E. R. Johnson 1928-6-8 s.n. Riverside Along highway south of Mecca on west side of Salton Sea Comment
  UCD84489  Psorothamnus spinosus Chuck Hughes 2010-6-15 150 Riverside About 70 feet north of Highway 62, between the highway and railroad tracks. Tree is barely inside San Bernardino County boundary by less than 30 feet. 285 Comment
  SEINET951772  Pteridaceae Scott D. White 1996-1 3832 Riverside Lakeview Mountains, N of Winchesster, at 'Maze Stone' Picnic Area 609 Comment
  POM318854  Pterospora andromedea Patricia Wilder 1968-7-5 4325 Riverside Dogwood St. near Rimrock Dr., Idyllwild. San Jacinto Mt. Range, Strawberry-Little Tahquitz Creek Drainage. 1829 Comment
  RSA567986  Pterostegia drymarioides Karin Cleary 1992-4-6 111 Riverside Near top of ridge W of California St, Hemet. 610 Comment
  UCR116924  Pterostegia drymarioides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24221 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
  RSA773185  Purshia glandulosa Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4920 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR102901  Purshia glandulosa Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  CAS-BOT-BC460831  Pyrola aphylla S. B. Parish; W. F. Parish 1892-6-1 1506 Riverside San Jacinto Mts. Comment
  UC809668  Quercus Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank Joshua Tree National Monument 1219 Comment
  UCR273999  Quercus Mitch Provance 2012-9-11 17621 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UC1584069  Quercus X acutidens Steve Boyd and Dave Bramlet 1988-10-8 2875 Riverside sw of Anza (at head of Bautista Canyon); Cahuilla Mountain, Bautista Canyon Comment
  RSA559451  Quercus agrifolia var. agrifolia Steve Boyd, T. S. Ross 1992-5-5 7217 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR158894  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  RSA38762  Quercus berberidifolia P. A. Munz 1947-8-21 12273 Riverside 1 mile east of Anza. Comment
  UCR260589  Quercus berberidifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41558 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UC519764  Quercus chrysolepis C. Epling 1931-10-4 Riverside Idyllwild 1371 Comment
  SD126462  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8720 Riverside Santa Rosa Mountains, Pinyon Flats area, near the Dolomite Mine on the trail to Horsethief Creek 1200 Comment
  UCD45607  Quercus cornelius-mulleri J. M. Tucker; D. Q. Cavagnaro 1965-10-2 3887 Riverside Joshua Tree National Monument, Riverside County, California. Comment
  UCD45615  Quercus cornelius-mulleri Mary L. Bowernan 1946-4-15 4101 Riverside Joshua Tree National Monument, Live Oak Tank (3 mi. W. of junction of Keyes Point and Pinto Basin Highway), adjacent to wash (20 feet from #4100, an aberrant oak tree). Comment
  CAS-BOT-BC250920  Quercus dumosa P. S. Manos 1988-10-27 674 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  SBBG92531  Quercus engelmannii B. Pitzer 1988-6-8 1045 Riverside Rancho Californica area, avocado grove S of Avenida del Oro, just past Calle Capistrano Comment
  UCR94489  Quercus engelmannii Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills, 'Blue Oak Canyon,' tributary of Dawson Canyon draining N flank of Estelle Mountain. 427 Comment
  POM122565  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR89897  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Peak, between Aguanga & Anza, south of Hwy 371 1265 Comment
  UCD47359  Quercus turbinella Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  SEINET2067043 Image available Quercus wislizeni B. Pitzer, Jack Easton 1987-3-10 411 Riverside Anza area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak 7.5' Quad. 1341 Comment
  CAS-BOT-BC362519  Rafinesquia californica John Thomas Howell 1931-5-30 6592 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  JOTR30639  Rafinesquia californica La Doux, Tasha, Erin Babich 2008-4-21 1801 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA606382  Rafinesquia californica Jon E. Keeley 1994-4-22 25322 Riverside Shipley Reserve 670 Comment
  SBBG67864  Rafinesquia neomexicana M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  UCR36447  Ranunculus aquatilis A. C. Sanders 1984-4-21 5015 Riverside San Jacinto Mtns., San Jacinto River near the Cranston Guard Station and confluence with Bee Canyon 579 Comment
  UC511118  Ranunculus californicus Lyman Benson 1932-3-26 3164 Riverside 3 mi n Temecula; San Jacinto Mt. Range 457 Comment
  RSA400245  Ranunculus cymbalaria var. saximontanus Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow. Comment
  UC827690  Ranunculus cymbalaria var. saximontanus I. W. Clokey and E. G. Anderson 1935-8-21 6627 Riverside Hemet 1030 Comment
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Mar 24 2011
  HSC93109  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA180358  Rhamnus crocea E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  UCR97482  Rhamnus crocea A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19773 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  POM171417  Rhamnus ilicifolia I. M. Johnston 1930-6-15 3790 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  UCR277523  Rhamnus ilicifolia Mitch Provance, Jeffrey S. Ross-Ibarra 2007-1-20 17200 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  RSA471023  Rhododendron occidentale N. C. Cooper 1949-6-29 4339 Riverside East side of San Jacinto Mountains. 457 Comment
  HSC99159  Rhus aromatica Paul J. CaraDonna 2008-1 124 Riverside Jumbo Rock Campground, N of site 78, Joshua Tree National Park. 1329 Comment
  UCR22012  Rhus aromatica Steve Boyd 1980-5-11 254 B 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
  UCR174320  Rhus laurina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32555 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
  RSA121771  Rhus ovata A. Lewis 1934-05 440 Riverside 1 mile E. of Ortega Hwy. 945 Comment
  RSA297382  Rhus ovata Larry E. DeBuhr 1972-2-25 508 Riverside Santa Rosa Mountains along forest road 7S02 to santa Rosa Pk. 1738 Comment
  CLARK-A1528-2406  Rhus trilobata John C. Roos 1948-5-15 3831 Riverside Eagle Mountains Comment
  RSA38708  Ribes indecorum Percy C. Everett 1945-6-7 11501 Riverside Indian Canyon, along Indian Canyon Truck Trail. 777 Comment
  UCR262567  Ribes malvaceum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3754 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA5919  Ribes nevadense var. jaegeri Carl B. Wolf 1932-8-5 3968 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. Above the small stream and meadows feeding Tahquitz Creek. 2805 Comment
  UCR125202  Romneya trichocalyx Mitch Provance 1998-5-29 557 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  CSUSB505  Rorippa nasturtium-aquaticum Pam Maynard 1974-5-17 S. N. Riverside Box Springs Mts Found growing in shallow spring in crevice at east end of Big Spring Road 670 Comment
  UCR197035  Rosa californica A. C. Sanders, D. L. Sanders 2008-9-27 36105 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  SD70908  Rumex conglomeratus Helen V. Witham 1969-7-2 183 Riverside De Luz Creek crossing, 4 mi. N. of De Luz. One plant seen, in crack in boulder, impossible to get root (stout taproot ?). 249 Comment
  CAS-BOT-BC433324  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside Mecca. Salton Sink 57 Comment
  UCR20814  Rumex dentatus A. C. Sanders, Steve Boyd 1980-5-19 1475 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  CAS-BOT-BC433587  Rumex hymenosepalus Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3954 Riverside Vail Lake area, granitic ridge at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  UCR119443  Rumex maritimus A. C. Sanders, Mitch Provance 1999-9-26 23099 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR8209  Rumex salicifolius var. denticulatus B. Freeman 1969-6-27 690627- 5 Riverside San Jacinto Mtns., University of California James Reserve Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild. Occurring north of lodge beside Indian Creek, and along creek nearest to gate, near Indian Creek Comment
  UCR110927  Rumex salicifolius var. salicifolius A. C. Sanders, K. C. Rose 1999-6-18 22828 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA289869  Rumex violascens Barry A. Prigge 1980-12-15 4126 Riverside Coachella Valley Stormwater Channel: 3.5 mi. S of Mecca -69 Comment
  RSA401569C  Salazaria mexicana Jack Rempel, Lester H. Cushman 1932-5-1 15210 Riverside 1 miles south of Morengo Valley. Comment
  RSA701156  Salazaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11258 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  CAS-BOT-BC103892  Salix exigua Steve Boyd; Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  JOTR30775  Salix exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  SBBG58881  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Cyn Comment
  SD229272  Salix exigua Dick Schwenkmeyer 2012-5-22 719 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  CAS-BOT-BC108112  Salix gooddingii C. F. Baker 1903-4-4 4146 Riverside Elsinore Comment
  LA208656  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA737440  Salix gooddingii Justin M. Wood 2008-8-31 116 Riverside [Perris Basin:] Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UC846813  Salix gooddingii I. Johnston 1917-6-5 1235 Riverside fills s of Arlington 365 Comment
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Mar 30 2011
  RSA770441  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4573 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD187475  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  SD229281  Salix lasiolepis Dick Schwenkmeyer 2012-8-28 825 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SD143742  Saltugilia australis A. C. Sanders, P. MacKay, et al. 1997-5-4 20650 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road (McMullen Flat), north slope of peak 3740. 1067 Comment
  UCR103916  Saltugilia australis B. G. Pitzer 1997-4-11 3107 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
  UCR118400  Saltugilia australis A. C. Sanders 1994-5-30 14584 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR175177  Saltugilia australis Jim Andre 2006-4-26 6762 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  RSA0094959  Saltugilia australis Steve D. Boyd 1992-4-14 6836 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail. 341 Comment
  JOTR30236  Saltugilia latimeri Leary, C. and Leary, Pat 1979-5-5 3002 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 Comment
  JOTR34201  Saltugilia latimeri La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2993 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA469673  Saltugilia splendens M. B. Dunkle 1937-3-25 4961 Riverside Dry Morongo. Comment
  UC63766  Salvia H. M. Hall 1897-5-28 578 Riverside vicinity Riverside (Gavilan road) Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. Comment
  RSA339320  Salvia apiana Robert F. Thorne, W. A. Tilforth 1980-5-28 54196 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA525453  Salvia apiana Steve Boyd, Dave Bramlet 1990-4-29 4498 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SEINET3225666 Image available Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore. 460 Comment
  RSA564472  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside. Mt. Rubidoux, beside road, near Peace Arch. Comment
  SEINET2066015 Image available Salvia columbariae C. Francis Shutts 1949-3-18 40 Riverside 'Box Canyon', old Mecca Blythe Hwy, Orocopia Mountains 182 Comment
  UCR174041  Salvia columbariae A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32519 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  SD241871  Salvia eremostachya Jay Walker, R. C. Walker 2004-4-15 3098 Riverside 4.5 miles NE of Pinyon Flats, along hwy 74. Rocks on west side (50 meters off) of Hwy. 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
  POM98734  Salvia greatae M. Hill, M. Canby 1926-03 s.n. Riverside Wash east of Dos Palmos. Comment
  POM210539  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  SD241882  Salvia pachyphylla Jay Walker, R. C. Walker 2004-4-15 3095 Riverside Santa Rosa Mtn., 7.3 miles up Santa Rosa Mtn truck trail from jct with hwy 74. Comment
  RSA650336  Sambucus caerulea Gregorio Hernandez 1953-1-24 s.n. Riverside Around El Casco Lake. Between Redlands and Beaumont. On San Timoteo Canyon Rd. Comment
  POM4389  Sambucus mexicana O. W. Robinson 1916-3-29 s.n. Riverside Burton's Canyon south of Lake Elsinore. Comment
  RSA500108  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3663 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  SEINET8753384 Image available Sambucus mexicana Norman C. Cooper 1944-1 1289 Riverside Banning 701 Comment
  CAS-BOT-BC238856  Sambucus nigra subsp. caerulea A. C. Sanders 1997-5-1 20618 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area, ca. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR31299  Sanicula arguta A. C. Sanders, T. Glenn 1983-4-17 3733 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA359518  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UC1563043  Sanicula crassicaulis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3074 Riverside 0.25 mi e of Pauba Road (s of Highway 79, Vail Lake Area); Vail Lake Area 426 Comment
  UCR91679  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  UCR180386  Sarcostemma hirtellum Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11276 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  RSA737322  Schedonorus arundinaceus Justin M. Wood 2008-9-22 158 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR261140  Schinus terebinthifolius A. C. Sanders, Jeff Crain 2015-5-20 41740 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  RSA0014458  Schismus arabicus Justin M. Wood, J. Miner 2010-4-29 1531 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  SEINET3197218 Image available Schismus arabicus Andrew C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q) 130 Comment
  UCR166851  Schismus arabicus 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
  UCR228159  Schismus arabicus Dave Silverman 2010-3-24 7832 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  OBI79207  Schismus barbatus A. C. Sanders, T. B. Salvato 2011-3-28 38813 Riverside Peninsular Range; Perrris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy (Romoland 7.5') Flat valley bottom, clay-loam soil; disturbed roadsides and field edges in agricultural area, with abandoned old fields near 215. 1425 Comment
  RSA776352  Schismus barbatus Duncan S. Bell, Amanda Turek 2010-4-10 802 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA794234  Schismus barbatus Jim Andre 2012-3-19 21397 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  RSA726858  Schoenoplectus acutus var. occidentalis Steve Boyd, Aydee Virgen 2004-4-13 10877 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC574919  Schoenoplectus acutus var. occidentalis C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  UCR1579  Schoenoplectus acutus var. occidentalis William G. Truesdell 1962-5-25 52562- 4 Riverside San Bernardino Valley Region, Riverside, marsh beside Lake Evans 305 Comment
  JOTR35174  Schoenoplectus americanus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3275 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
  RSA87  Scirpus microcarpus J. T. Howell 1928-7-7 1031 Riverside Near Glen Ivy. Alt. 1500 ft. 457 Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  RSA445381  Scutellaria tuberosa N. C. Cooper 1947-4-5 2116 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR177395  Searsia lancea John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  CAS-BOT-BC227205  Secale cereale A. C. Sanders; T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 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
  SD81677  Selaginella bigelovii Louis C. Wheeler 1931-10-2 177 Riverside San Jacinto Mountains, Hemet-Idyllwild Road 915 Comment
  UCR125715  Selaginella cinerascens Denise Woodard 2001-1 s.n. Riverside Nichols Reservoir, Skunk Hollow Hills 488 Comment
  CAS-BOT-BC323967  Senecio flaccidus var. douglasii A. M. White 1974-6-5 1132 Riverside ca. 1 M from Corona Fwy, Aberhill Turnoff 457 Comment
  CAS-BOT-BC323996  Senecio flaccidus var. douglasii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canon near San Jacinto. Comment
  UCR60771  Senecio mohavensis Steve Boyd, O. Mistretta 1986-3-13 1473 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  JEPS17286  Senecio triangularis Carl V. Meyer 1928-7-26 536 Riverside Deer Springs San Jacinto Mountains 2590 Comment
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Aug 30 2011
  SBBG94679  Senecio vulgaris S. D. White 1990-9-25 Riverside Santa Rosa Plateau, 5 air mi SW of Temecula on Via Yerba Rd, E of Vaquero Rd 374 Comment
  RSA0093798  Senna armata Jim M. Andre 2012-4-11 20725 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  UCR198201  Senna armata Michael Honer, L. Hulse 2004-4-3 1909 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  POM173503  Senna covesii E. C. Jaeger 1929-12-24 s.n. Riverside Red Cloud Mine 549 Comment
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Jan 16 2007
  CAS-BOT-BC438209  Sesuvium verrucosum Steve Boyd; Darin Banks 1994-9-29 8372 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River, west of Sedco Hills community. 381 Comment
  CDA23920  Sesuvium verrucosum T. C. Fuller 1959-4-8 2473 Riverside 5 miles south of Ripley. 0 Comment
  POM767  Sesuvium verrucosum I. M. Johnston, P. Munz 1918-5-27 2165 Riverside Lake Elsinore. Comment
  SD146070  Sesuvium verrucosum A. C. Sanders, D. Bramlet, et al. 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 0.4 miles west of Quail Lk Golf 436 Comment
  RSA579290  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6778 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  CLARK-A1528-618  Sida leprosa var. hederacea Ruth Cooper 1941-6-8 70 K Riverside Perris Comment
  POM220874  Sidalcea malviflora subsp. sparsifolia P. A. Munz 1941-5-18 16656 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  UC1013132  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19559 Riverside about 4 mi s Hemet Reservoir (Pines-to-Palms Highway); s of Hemet Reservoir, Pines-to-Palms Highway Comment
  SDSU14281  Sidalcea sparsifolia Ryan Jacobson, Jeremy Mass 2000-4-19 6 Riverside Santa Margarita Ecological Reserve. Near the banks of Stone Creek, approximately 0.5 mile east of the south-side facility. 177 Comment
  HSC86950  Silene gallica B. Pitzer, E. Misquez 1988-2-28 634 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  SDSU13917  Silene gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2132 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA438889  Silene laciniata subsp. major N. C. Cooper 1944-6-4 1318 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UC729875  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside summit San Jacinto Peak , summit San Jacinto Peak (San Jacinto Mts.) 3293 Comment
  UCR25035  Silene verecunda A. C. Sanders 1980-7-18 1646 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CAS-BOT-BC183262  Simmondsia chinensis James R. Shevock 1986-3-23 11355 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CLARK-A1656-745  Simmondsia chinensis Theo Glenn 1979-3-28 Riverside San Jacinto Mountains Comment
  RSA421790  Simmondsia chinensis Gale Sphon 1955-5-22 s.n. Riverside Dead Indian Canyon near Palm Springs Comment
  UC218089  Simmondsia chinensis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4784 Riverside vicinity Corn Springs (Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains 457 Comment
  CAS-BOT-BC74912  Sinapis arvensis J. H. Thomas 1957-3-29 6519 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  POM14033  Sinapis arvensis P. A. Munz, D. Keck 1922-4-14 s.n. Riverside Near Moreno. 366 Comment
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Mar 20 2011
  JOTR32361  Sisymbrium altissimum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2476 Riverside Joshua Tree