Search Results — 2000 specimen records retrieved (1905 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229345  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  CAS-BOT-BC229354  Abronia villosa L. A. Greata 1905-4-1 390 Riverside Coachella Comment
  CAS-BOT-BC229356  Abronia villosa Roxana S. Ferris 1918-6-14 966 Riverside In desert at Palm Springs Comment
  CAS-BOT-BC389743  Abronia villosa M. Danielson 1963-12-23 s.n. Riverside Beginning of dirt road into Tahquitz Canyon Comment
  POM745  Abronia villosa var. aurita Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  SD60431  Abronia villosa var. aurita Reid Moran 1964-7-27 11868 Riverside Canyon of Santa Margarita River 2.5 miles southsouthwest of Temecula. 199 Comment
  UC851650  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake, By road Hemet Lake 1300 Comment
  UCR2872  Abronia villosa var. aurita N. J. Matthews 1963-5-9 50963- 4 Riverside San Jacinto River Valley, Valle Vista, 45366 Highway 74, east of Hemet 549 Comment
  RSA0009281  Abronia villosa var. aurita D. L. Banks, Lauren Raz 1996-11-5 1183 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  RSA0056450  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-5 6609 Riverside Hemet. 500 Comment
  RSA749943  Abronia villosa var. villosa Justin M. Wood 2009-3-26 410 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR219800  Abronia villosa var. villosa Ed Kentner 2010-5-6 113 Riverside Coachella Valley, near Cabazon, c. 250 m SE of the Arrowhead Water bottling plant 475 Comment
  OBI37501  Abutilon palmeri A. C. Sanders 1982-11-24 3272 Riverside In the UCR Botanic Garden; Above Alder Cyn near the Garden Office Comment
  UCR110387  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR40263  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  CLARK-A1045-206  Acamptopappus sphaerocephalus George K. Helmkamp 1979-4-29 Riverside Windy Point Whitewater 7.5'Q Comment
  UC604854  Acamptopappus sphaerocephalus var. sphaerocephalus Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9539 Riverside 2 mi from Cottonwood Springs; Cottonwood Mts. Comment
  UCR91004  Acer negundo A. C. Sanders 1996-4-24 18086 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  JEPS20084  Achillea millefolium Peter H. Raven with R. Snow 1957-7-26 11108 Riverside just below, in meadow along Banning--Idyllwin Rd. Vista Grande Ranger Station; San Jacinto Mountains Comment
  RSA494635  Achnatherum coronatum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SBBG122757  Achnatherum coronatum A. Parikh 1990-5-10 165 Riverside S shore of Diamond Valley Lake, 3.4 km S of jct of Warren and Simpson Rds, 4.9 km E of Winchester Rd 543 Comment
Read comments
Apr 23 2011
  SBBG57016  Achnatherum coronatum M. N. Ackley 1928-4-1 14 Riverside Snow Crk, Mt San Jacinto Comment
  UC40029  Achnatherum coronatum H. M. Hall June, 1901 2078 Riverside vicinity of Chalk Hill 1463 Comment
  SEINET260234 Image available Achnatherum latiglume M. Curto, LS Allen 1991-6-26 766 Riverside San Bernardino National Forest ; Thomas Mt nr former lookout tower site summit rd SW off San Bernardino NF Rd 5S15 2060 Comment
  JOTR31137  Achnatherum parishii La Doux, Tasha 2009-6-3 1849 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  POM1070  Achnatherum speciosum J. D. Abrams 1901-05 990 Riverside Elsinore. Comment
  JEPS51455  Achyronychia cooperi W. L. Jepson 1927-4-12 11666 Riverside Painted Canyon Mecca Hills 76 Comment
  POM7896  Achyronychia cooperi P. A. Munz 1920-4-4 3527 Riverside Pass South of Palm Springs. Comment
  UCD97887  Achyronychia cooperi A. H. Frederick 1928-3-1 s.n. Riverside Palm Springs, Colorado Desert. Comment
  UCR148338  Achyronychia cooperi John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR164926  Achyronychia cooperi 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
  UC1922060  Acmispon glaber Scott D. White, Angelia Carey 2004-4-5 10005 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  JOTR34088  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  SD185219  Acmispon glaber var. brevialatus A. C. Sanders 2005-5-4 29838 Riverside Gavalin Hills near Riverside, ca. 1.0 km east and southeast of Gavilan Peak. 625 Comment
  SBBG3417  Acmispon grandiflorus var. grandiflorus H. and M. Dearing 1940-6-9 4363 Riverside Palms to Pines Hwy Comment
  JOTR35478  Acmispon nevadensis var. nevadensis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3166 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  SBBG44749  Acmispon rigidus Leota Davidson 1965-5-11 179 Riverside Joshua Tree Nat Monument Comment
  UCSB45964  Acmispon rigidus Roos, John 1966-2-12 Riverside Chuckwalla Mtns., 2 1/2 miles SE of Desert Center Comment
  SD224963  Acmispon strigosus G. K. Helmkamp 1998-4-3 3080 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111. 395 Comment
  UCR21960  Acourtia microcephala Steve Boyd 1980-7-6 318 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 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
  SJSU5451  Adenophyllum porophylloides R. C. McGehee 1970-5-1 258 Riverside 1 mile W of Chuckwalla Spring on Chuckwakka Road, Chuckwalla Mts Comment
  UCR126960  Adenostoma fasciculatum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR153365  Adenostoma fasciculatum LeRoy Gross, Valerie Soza 2003-5-8 829 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  SEINET11908936  Adenostoma sparsifolium R. A. Schlising 1968-1 2905 Riverside San Jacinto Mountains, short distance S of Idyllwild on Hwy R-1 Comment
  IRVC3990  Agave deserti R. H. Whittaker, W. A. Niering 1963-6-1 SJ 144 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  UCR187474  Agrostis exarata Diane Menuz, Angela Hyde 2006-8-24 235 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  SEINET3074278 Image available Ailanthus altissima Oscar F. Clarke 1970-7-22 Riverside Growing in the Botanic Gardens of the University of California at Riverside. Comment
  RSA267968  Ailanthus altissima E. W. Lathrop 1977-5-19 7681 Riverside Base of Sierra, facing Santa Ana Canyon, 1 mi. NE Coal Canyon. 168 Comment
  UCR220306  Albizia julibrissin Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  RSA600768  Allionia incarnata C. Epling, Wm. Stewart 1936-9-1 s.n. Riverside Chuckwalla Valley: Desert Center. Comment
  RSA70462  Allium cratericola F. W. Peirson 1922-5-21 3069 Riverside Near Garner Ranch, Hemet Valley, San Jacinto Mountains 1372 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
  SEINET8122219  Allium hyalinum I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4625 Riverside Gavilan Peak. 550 Comment
  UCR103897  Allium peninsulare B. G. Pitzer 1997-4-12 3123 Riverside Lakeview Mtns, Pulsar View Rd, c. 1/2 mi. uphill from the end of Warren Road (very short dirt road leading into hills) and c. 1 mi. (air) north of Juniper Flats Road. Approx. 1.2 mi. (airline) WSW of Mt. Rudolph (measured from BM 'Nelson'). 585 Comment
  UCR16034  Allium peninsulare Steve Kulju 1974-4-27 s.n. Riverside Box Springs Mtns. Dirt road to the radio tower, 4 mi from Pigeon Pass Road. 762 Comment
  UCR220134  Allium peninsulare D. E. Bramlet 1989-4-12 1830 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, SW of the Searl Ranch and NW of the Goodhart Ranch, NE of Crown Valley 518 Comment
  UCR111767  Allium praecox Mitch Provance 1998-3-17 222 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.7 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside. 375 Comment
  UCSB38380  Allium praecox Minnich, John 1964-2-29 Riverside Sycamore Canyon, 1/4 mi. off Canyon Crest Drive about 1 mi. south of Pennsylvania Ave.; found about 1/2 mi. above mouth of canyon 365 Comment
  RSA674662  Allophyllum divaricatum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  VVC369  Allophyllum divaricatum A. C. Sanders, J. Mac 1997-5-4 20633 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
  UCR114963  Alopecurus saccatus Fred M. Roberts 1992-4-25 4875 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR278834  Alternanthera caracasana Mitch Provance 2012-7-17 712- 11 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  RSA0120471  Amaranthus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 s.n. Riverside Santa Rosa Mountains; east side of the range; between Toro Canyon and Martinez Canyon; on Van Buren Street in the community of 100 Palms or Valerie, in an agricultural field between 66th and 67th Streets. -16 Comment
  SEINET10940478  Amaranthus David B. Dunn 1947-10-9 Dunn 3527 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  UCD97079  Amaranthus blitum subsp. emarginatus A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60. Comment
  UCR23421  Amaranthus hybridus John C. Roos 1965-10-13 s.n. Riverside Corona Comment
  UCR106336  Amaranthus retroflexus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR34910  Ambrosia acanthicarpa L. B. Ziegler 1967-7-27 194 Riverside San Jacinto Mtns., Hemet (Garner) Valley 1387 Comment
  CDA9958  Ambrosia acanthicarpa Wright s Office Nov 1948 Riverside 0 Comment
  JEPS108703  Ambrosia dumosa C. Spurrier, M. J. Way 2001-6-14 6 Riverside Big Morongo Canyon Preserve, 5.6 km n of water company entrance on Kickapoo Trail 595 Comment
  LA202895  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  LA202920  Ambrosia dumosa A. M. Johnson; 1933-4-28 4228 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  POM308538  Ambrosia dumosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3157 Riverside Palm Springs Comment
  SEINET3197209 Image available Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert; Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. (Desert Hot Springs 7.5') 396 Comment
  SEINET8071625 Image available Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside Colorado Desert: Chocolate-Chuckwalla Mts.: E of Little Chuckwalla Mts. From Blythe take I-10 W for 17.8 mi, take the Wiley's Well Rd. exit. Turn left (S) on Wiley's Well Rd travel 1.3 mi on paved and then 4.5 mi on unpaved road. 177 Comment
  UC1979837  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Mojave Desert; East Mojave Desert region: Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains. Comment
  UC724342  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-30 3340 Riverside near, on Hwy 60; Desert Center Comment
  UCR41603  Ambrosia dumosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6025 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  LA202941  Ambrosia ilicifolia Martha Hilend; 1932-3-26 sn Riverside Chuckawalla Mountains, about 3 mi. above Corn Springs Comment
  UCSB34110  Ambrosia ilicifolia Collins, Elizabeth 1980-3-31 Riverside 10 miles SW of Hwy 10 at Corn Springs campground Comment
  RSA764883  Ambrosia psilostachya Justin M. Wood 2010-9-8 2602 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  SD142811  Ambrosia pumila Craig Reiser 1996-9-13 Riverside North of Lake Elsinore, Nichols Road offramp at Interstate 15, 200 to 300 feet beyond end of paved road. Northwestern-most known population Comment
  RSA0008347  Ambrosia pumila Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6331 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. 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
  JEPS39427  Ambrosia salsola var. salsola Florence Brubacker and Margaret Stason 1928-3-3 7697 Riverside vicinity of Hidden Springs; Colorado Desert, Hidden Springs 0 Comment
  SBBG119933  Ambrosia salsola var. salsola C. McGaugh 2004-2-25 Riverside northern Palm Springs, near the Whitewater Channel; T3S R4E S35 SE/4 of SE/4 171 Comment
  SBBG8466  Ambrosia salsola var. salsola H. and M. Dearing 1938-3-5 1965 Riverside between Blythe and Desert Center Comment
  RSA162692  Ammannia coccinea J. D. Olmsted 1959-9-23 996 Riverside Riverbottom, crossing W of Lakeview at bottom of the Lakeview grad on E side of hills, Lakeview hills to Lake Elsinore 442 Comment
  UCR211700  Ammannia robusta Fred M. Roberts, Michelle Balk 2006-8-24 6404 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  UCR85580  Ammannia robusta Julie A. Greene 1993-6-11 1358 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  UCR91732  Amorpha californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18100 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA787990  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 s.n. Riverside Cleveland National Forest. Roadside. Comment
  LA204904  Amorpha fruticosa Leo Boyd; 1953-5-24 sn Riverside 11 mi. SW of junction of CA highways 74 and 111, on highway 74 Comment
  RSA0120137  Amorpha fruticosa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9080 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA559439  Amorpha fruticosa Steve Boyd 1992-4-15 6853 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD239634  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38808 Riverside Peninsular Rangte: Perris-Aguanga Basin Region: Menifee Valley between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 433 Comment
  UC56234 Image available Amsinckia intermedia H. M. Hall 1903-4-1 3852 Riverside vicinity Riverside; Pigeon Pass; Pigeon Pass, vicinity of Riverside 548 Comment
  UCD119702  Amsinckia intermedia R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon. Comment
  UCR16784  Amsinckia intermedia C. M. Bringle 1967-4-2 s.n. Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  UCR174451  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR241216  Amsinckia intermedia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 46 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  RSA0089923  Amsinckia menziesii var. menziesii Carol Shideler 1981-4-11 13 Riverside Lake Mathews, El Cerrito, east on Cajalco Road, 6 miles east of Corona, 0.5 mile west of Pacific Clay Comp., mil. 52086.2. Comment
  POM368401  Amsinckia tessellata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA19239  Amsonia tomentosa var. tomentosa I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  UCR90338  Anagallis arvensis Scott D. White 1995-6-29 3411 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  RSA18198  Anemopsis californica C. B. Wolf 1929-5-31 3738 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  UCR281795  Anemopsis californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 108 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  UC20795  Angelica tomentosa H. M. Hall July, 1901 2557 Riverside San Jacinto Mountains, Fuller's Mills Mountains Fuller's Mills Mountains; San Jacinto Mountains, Fuller's Mills Mountains 2133 Comment
  RSA594039  Anthriscus caucalis D. L. Banks, Elizabeth Hedge Banks 1996-5-2 930 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve., Approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  UC1191180  Antirrhinum filipes Herbert L. Mason 1952-4-7 14206 Riverside near Palm Springs; Palm Canyon Comment
  UCR102710  Antirrhinum filipes B. G. Pitzer 1998-1-24 3395 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR96799  Antirrhinum nuttallianum G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. 1 mi. north of Arnold Heights, just north of road & west of Alessandro Blvd. 470 Comment
  UC444964  Antirrhinum nuttallianum subsp. nuttallianum Edmund C. Jaeger 1927-4-2 Riverside Box Springs Mountains Comment
  RSA522741  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3848 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Cyn and adjacent benches on S flank of Big Oak Mountain 396 Comment
  RSA561069  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7344 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UC1584116  Apiastrum angustifolium Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3848 Riverside Vail Lake area, on Big Oak Mountain, n side of mouth of Temecula Creek Canyon Temecula Creek Canyon; Vail Lake area, Big Oak Mountain, Temecula Creek Canyon 396 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
  UCR241838  Apiastrum angustifolium A. C. Sanders, Timothy W. Chumley 2013-4-2 40737 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  HSC85249  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  POM366957  Aquilegia formosa Robert L. Rutherford 1945-6-17 1673 Riverside Burned Canyon, Banning. 1220 Comment
  UCR167973  Aquilegia formosa T. B. Salvato, John F. Green 2004-5-27 653 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
  UCR177649  Arabis glabra S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail on slope above Juan Diego Flats, toward Reed Valley, NW of Cahuilla Mountain 1250 Comment
  RSA0125500  Arabis holboellii Scott D. White, Justin M. Wood 2009-5-21 12873 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA297066  Arabis holboellii var. retrofracta John F. Emmel 1974-5-19 493 Riverside Along Middle Ridge Drive on slope 0.3 air miles SSW of confluence Bear Trap Cyn Creek and Strawberry Creek, SW of Idyllwild. 1585 Comment
  JEPS40125  Arceuthobium campylopodum Carl V. Meyer 1929-1-5 688 Riverside Tahquitz Ridge San Jacinto Mtns 1981 Comment
  RSA629132  Arctostaphylos Jon E. Keeley 1992-7-16 16565 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629417  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19495 Riverside Southwest of Wildomar, off of Calle Huerto, north of Avenida La Cresta, west of Clinton-Keith Road, southern Santa Ana Mountains. 850 Comment
  RSA752546  Arctostaphylos glandulosa Justin M. Wood 2009-3-10 352 Riverside Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  SD128324  Arctostaphylos glandulosa R. Mitchel Beauchamp 1971-5-15 2411 Riverside San Jacinto Mountains; Black Mt. campground. Open areas of forest. 2207 Comment
  SDSU13500  Arctostaphylos glandulosa subsp. glandulosa W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SDSU17429  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 395 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  RSA125340  Arctostaphylos glandulosa var. adamsii P. H. Raven 1958-5-17 12958 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
Read comments
Mar 3 2013
  CAS-BOT-BC24628  Arctostaphylos glauca Sheet; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA631742  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16509 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631766  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15077 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631773  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16546 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  UCR139049  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  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
  RSA633702  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16672 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  CAS-BOT-BC44326  Arctostaphylos pringlei subsp. drupacea E. P. Van Duzer 1917-6-1 s.n. Riverside Mt. Tahquitz Comment
  POM367426  Arctostaphylos pringlei subsp. drupacea Douglas Bothwell 1934-5-6 s.n. Riverside Idyllwild, San Jacinto Mts. 1610 Comment
  RSA635788  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16525 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635991  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19536 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  JOTR35079  Argemone corymbosa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3530 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UCR16458  Argemone munita John Dean 1965-5-6 s.n. Riverside Sonoran (Colorado) Desert, 2 miles west of Hayfield turnoff on Hwy 60 [= modern I-10] 396 Comment
  SEINET4085707  Argemone munita subsp. munita O. M. Clark 1932-1 5108 Riverside South Hemet. Comment
  JOTR35289  Aristida adscensionis Andre, Jim 2012-4-11 20782 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCSB36482  Aristida adscensionis Gordon, Patricia 1980-3-9 Riverside Box canyon, 6 mi SE of Mecca on CA 195 60 Comment
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May 27 2009
  JOTR30070  Aristida californica var. californica La Doux, Tasha, Bill Truesdell 2006-10-3 1713 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  POM114618  Aristida californica var. californica Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  RSA777401  Aristida purpurea var. fendleriana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 834 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road. 534 Comment
  CAS-BOT-BC137489  Aristida purpurea var. wrightii H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto River Canyon. 640 Comment
  UCR176585  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, weed at residence at 4291 Alta Vista Dr. 259 Comment
  UCR128236  Artemisia californica A. C. Sanders, Kelly Volansky 2003-10-16 27351 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UC489283  Artemisia ludoviciana subsp. ludoviciana C. V. Meyer 1928-7-30 573 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  SD229066  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 661 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SEINET3386498 Image available Artemisia tridentata subsp. tridentata R. E. Riefner Jr. 2006-9-19 442 Riverside Temecula Valley, ca 0.1 mi west of I-15 Freeway along Temecula Creek 301 Comment
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Feb 28 2016
  UCR149415  Arundo donax S. J. Myers 1996-6-6 s.n. Riverside Santa Ana River Valley, Santa Ana River, c. 0.5 mi west of Rubidoux Nature Center Comment
  RSA401648A  Asclepias californica Gale Sphon 1955-5-7 s.n. Riverside 3 mi. east of Lake Elsinore. Comment
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May 26 2019
  UCR48344  Asclepias californica Steve Boyd 1986-4-22 1756 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR92169  Asclepias californica D. L. Banks, Steve Boyd 1995-5-3 0246 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR20538  Asclepias eriocarpa W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  JEPS6280  Asclepias erosa W. L. Jepson May 17 1901-Jun 1 1901 1346 Riverside Palm Canyon (upper end) Mt. San Jacinto Range Comment
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Sep 15 2015
  RSA763978  Asclepias erosa Justin M. Wood, D. Ray 2010-10-21 2999 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SBBG14403  Asclepias erosa E. R. Blakley 1961-9-12 4706 Riverside 20 mi W of Blythe at wash crossing of US Hwy 60-70 106 Comment
  UC1245423  Asclepias erosa C. Ritchie Bell 1963-4-10 Riverside ca. 16 mi e Desert Center School (roadside of US 60-70) Comment
  UCR182539  Asclepias fascicularis Mitch Provance 2003-7-4 4636 Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  UCR34993  Asclepias fascicularis L. B. Ziegler 1964-7-14 037 Riverside San Jacinto Mtns, Garner (Hemet) Valley 1375 Comment
  RSA401110  Asclepias subulata M. B. Dunkle 1934-3-18 3859 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  CSUSB407  Asparagus officinalis Randy Salstrom 1966-3-28 Riverside 50 yards west of north end of Canyon Crest Blvd., beside Gage Canal in Riverside (city). 274 Comment
  CAS-BOT-BC68758  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside Leach Canyon, Santa Ana Mts. 762 Comment
  RSA653655  Aster subulatus A. C. Sanders, Mitch Provance 1999-9-26 23126 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR93056  Aster subulatus Steve Boyd, D. Banks 1994-9-29 8363 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA574561  Aster subulatus var. ligulatus Steve Boyd 1985-8-7 1121 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  UCD166215  Astragalus Jack Major 1962-4-16 767 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA0041733  Astragalus aridus Sarah J. De Groot, April Garbat 2013-4-9 6999 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains. 232 Comment
  CAS-BOT-BC177724  Astragalus crotalariae Marcus E. Jones 1906-4-19 s.n. Riverside Borrego Spring 1066 Comment
  CAS-BOT-BC177726  Astragalus crotalariae John Thomas Howell 1928-3-25 3549 Riverside Indio, Coachella Valley, Colorado Desert Comment
  UC669291  Astragalus crotalariae Annie M. Alexander and Louise Kellogg 1941-3-2 1881 Riverside roadside 5 mi s Valerie; s of Valerie Comment
  RSA498261  Astragalus didymocarpus var. dispermus Robert M. Perkins, H. de Forest 1937-3-15 382 Riverside Just West of Desert Center. Comment
  UC162674  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5763 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  UC68630  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5763 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  UCR130223  Astragalus douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4120 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  UC1930031  Astragalus douglasii var. parishii Scott D. White, Justin Wood 2008-6-5 12079 Riverside San JAcinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  RSA740944  Astragalus filipes Scott D. White, Justin M. Wood 2008-6-17 12183 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA96280  Astragalus insularis var. harwoodii E. K. Balls 1954-3-29 18954 Riverside Grown in Botanic Garden, Prop. no. 6961, from seed collected by JC Roos, April 11, 1949, Corn Spring Comment
  LA204982  Astragalus lentiginosus var. coachellae Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  POM98993  Astragalus nuttallianus var. imperfectus E. C. Jaeger 1926-3-24 s.n Riverside Eagle Mountains. Comment
  RSA415638  Astragalus palmeri N. R. Zabriskie, Walter M. Zabriskie 1972-4-9 513 Riverside NW of road above Riv 72, 81.72 marker, Deep Canyon drainage, Santa Rosa Mts. 1220 Comment
  CAS-BOT-BC192827  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  CAS-BOT-BC194133  Astragalus pomonensis L. R. Abrams 1926-3-27 11138 Riverside Between Redlands and Bannings at junction of Wildwood Canyon Road Comment
  PASA2745  Astragalus pomonensis Frank W. Peirson 1920-6-6 7696 Riverside Dripping Spring, Temecula River 457 Comment
  SBBG3239  Astragalus pomonensis H. and M. Dearing 1939-4-5 3089 Riverside above Hemet Valley on Beaumont Rd Comment
  SEINET2060269 Image available Astragalus pomonensis Howard Scott Gentry 1981-6-1 23712 Riverside Near Murrieta 396 Comment
  SEINET2060274 Image available Astragalus pomonensis Conrad Bahre 1970-5-3 Riverside 16 mi E of Riverside along Hwy 60 in the badlands 762 Comment
  POM26484  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  CLARK-A1528-2760  Astragalus tricarinatus John C. Roos 1949-4-2 4131 Riverside Whitewater Comment
  JOTR35434  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows, J. Hoines 2013-4-24 40 Riverside Joshua Tree National Park. Little San Bernardino Mtns; foothillls SW of Quail Mtn and W of Juniper Flats. (stop1) 1499 Comment
  CAS-BOT-BC334464  Athysanus pusillus A. C. Sanders; Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd. near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  POM13789  Athysanus pusillus P. A. Munz 1922-4-29 5136 Riverside Tucalota Creek, S of Hemet Comment
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Sep 17 2011
  UCR241826  Athysanus pusillus A. C. Sanders, Timothy W. Chumley 2013-4-5 40779 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  UCR49224  Athysanus pusillus Steve Boyd 1986-4-2 1603 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  JEPS35951  Atrichoseris platyphylla W. L. Jepson 1927-4-12 11660 Riverside Painted Canyon Mecca Hills, Painted Canyon Comment
  POM254744  Atrichoseris platyphylla Philip A. Munz 1940-3-24 15696 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA0043031  Atrichoseris platyphylla Duncan S. Bell, Loraine Washburn 2014-4-8 6573 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  RSA418189  Atrichoseris platyphylla Christopher Davidson 1979-4-4 7697 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  UCR279345  Atrichoseris platyphylla A. C. Sanders, Jim Malusa 2017-3-23 42943 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  UCR101391  Atriplex argentea A. C. Sanders, K. C. Rose 1998-9-29 22253 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA357127  Atriplex argentea subsp. expansa R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37608 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  SD40818  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  SD73400  Atriplex canescens K. R. Montgomery 1969-9-7 69 31 Riverside 1.5 mile east of Riverside Co. Highway 3 on Wilson Valley Road, 18 miles south of Hemet. Comment
  SFV9419  Atriplex canescens M. L. Vincent, R. H. Swade 1963-10-19 456 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC1136263  Atriplex canescens R. St. John 1929-1-24 5 Riverside mouth Bautista Canyon; San Jacinto Quad., Mouth of Bautista Canyon Comment
  UC1329983  Atriplex canescens James E. Cole 1941-6-7 851 Riverside Lost Horse Pass , Lost Horse Pass (Joshua Tree National Monument) 1371 Comment
  UC850760  Atriplex canescens Carl B. Wolf 1932-10-13 4302 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  UCR228401  Atriplex canescens var. canescens Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-31 117 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111 740 Comment
  UCR256950  Atriplex canescens var. laciniata Duncan S. Bell 2012-4-5 3306 Riverside Sonoran (Colorado) Desert, Palen sand dunes on the southwest side of the Palen Mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley; c. 6.75 air miles directly north of Hell 137 Comment
  RSA0015058  Atriplex coronata var. notatior D. E. Bramlet, F. Roberts, I. Anderson 2005-6-10 3877 Riverside 4.5 miles west of Hemet, 2000 feet south of Stetson and 700 feet east of California. 456 Comment
  RSA532569  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
  SEINET3090678  Atriplex coronata var. notatior R. A. Johnson, G. A. Ruffner 1990-1 Riverside Comment
  UCR62385  Atriplex coronata var. notatior Don Mitchell 1990-6-1 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  JEPS49002  Atriplex elegans var. fasciculata Marjorie D. Clary 1932-5-20 964 Riverside Coral Reef Ranch Comment
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  RSA746519  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2 -521 Riverside City of Corona, along Magnolia Ave. off-ramp on SW side of I-15 Freeway. 216 Comment
  UCR208451  Atriplex glauca R. E. Riefner Jr. 2005-12-30 05- 792 Riverside city of Riverside, Gramercy Place near La Sierra Ave 27 Comment
  RSA0042164  Atriplex hymenelytra Duncan S. Bell, Evan Meyer 2014-4-2 6522 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  POM279056  Atriplex polycarpa Grant D. Brown 1950-3-5 493 Riverside 3 miles east of Indio on hyway #60/70. -9 Comment
  UCD97609  Atriplex polycarpa Lewis S. Rose 1967-12-19 67177 Riverside La Quinta. 15 Comment
  UCR134587  Atriplex polycarpa Marisa Sripracha, Kyle Boyd 2004-2-14 021 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR35146  Atriplex rosea L. B. Ziegler 1967-8-29 209 Riverside San Jacinto Mtns, Hemet [Garner] Valley 1372 Comment
  UCR114547  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22815 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  CAS-BOT-BC176760  Atriplex serenana var. serenana Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinton [Kieth] Keith Rd., just east of the Bear Creek development [golfcourse] golf course Comment
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Feb 13 2019
  UCR138648  Avena barbata D. L. Banks 1997-2-17 1279 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. Along Pechanga Rd. in the Reservation, c. 10 m west of the Pechanga Tribal Government Center 367 Comment
  CAS-BOT-BC213222  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside Andreas Canyon, about 50 feet above stream bed. 762 Comment
  SEINET899445  Baccharis brachyphylla J. C. Roos 1958-1 Riverside Carrizo Creek near Black Hill, Santa Rosa Mountains 914 Comment
  IRVC18891  Baccharis emoryi Karlin G. Marsh 1981-11-11 3 Riverside Blythe: north of Mayflower County Park, 5 miles north of I-10, along irrigation ditch into Colorado River. Sonoran Desert Comment
  RSA180393  Baccharis emoryi E. W. Lathrop 1965-10-24 6019 Riverside 5 miles W of Murrieta 610 Comment
  POM4662  Baccharis salicifolia L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  CAS-BOT-BC99820  Baccharis sarothroides Carl B. Wolf 1932-10-13 4311 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  RSA178645  Baccharis sergiloides C. B. Wolf 1932-10-12 4297 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA588165  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-17 0804 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  RSA772839  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4724 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65121 604 Comment
  CAS-BOT-BC295897  Bahiopsis parishii 1905-4-1 5877 Riverside Col. Desert Comment
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Sep 3 2017
  CAS-BOT-BC295906  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  JOTR34348  Bahiopsis parishii Andre, Jim 2012-4-11 20697 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  POM10164  Bahiopsis parishii Philip A. Munz 1921-4-30 4503 Riverside Pinyon Wells 1220 Comment
  JEPS34669  Baileya pauciradiata W. L. Jepson and W. C. Mathews 1914-5-23 6048 Riverside Colorado Desert, Conchilla Desert 60 Comment
  UC724349  Baileya pauciradiata Aven Nelson, Ruth A. Nelson 1939-3-29 3313 Riverside between Mecca and Hidden Springs Comment
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Feb 3 2011
  RSA4910  Baileya pleniradiata C. B. Wolf 1932-4-27 3026 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  UCR244471  Baileya pleniradiata Jim Andre 2012-4-16 20941 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  RSA709803  Bebbia juncea A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SBBG20059  Bebbia juncea E. R. Blakley 1963-9-18 6181 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  UCR224180  Bebbia juncea Justin M. Wood, Dustin M. Ray 2010-10-21 3023 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northeast of Victory Springs and 0.9 km east of Kaiser Road on unmarked 4WD road 198 Comment
  UCR40513  Bebbia juncea Steve Boyd 1985-7-23 1021 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  SEINET10616176  Bebbia juncea David B. Dunn, Howard Brown 1947-1-12 Dunn 2837 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100128  Bebbia juncea var. aspera F. Grinnell 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  HSC101197  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  JEPS19302  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1384 Riverside Palm Canon and return to Van Deventer's Comment
  LA103754  Bebbia juncea var. aspera Robert F. Thorne; C. W. Tilforth 1973-5-30 43582 Riverside Coachella Valley, mouth of Morongo Valley at N-end of valley 548 Comment
  SEINET3146051  Bebbia juncea var. aspera H. M. Hall 5841 Riverside near Salton 46 Comment
  SEINET3862246  Beloperone californica D. W. McNeal 1977-4-22 2018 Riverside Beside Hwy. 195, 7 mi. SW of its jct. with Interstate 10.; 0 Comment
  SD218993  Berberis nevinii M. Wall 2009-6-10 518 Riverside South of Redlands, ca. 0.75 mile up an unnamed canyon off San Timoteo Canyon Rd., ca. 0.5 mile NW of jct with Allesandro Blvd. 495 Comment
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Oct 28 2013
  LA204860  Bernardia incana Carl Epling; May 1938 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  RSA356886  Bernardia incana R. F. Thorne 1966-10-15 41798 Riverside Palm Springs. Comment
  UC1281152  Bernardia incana H. E. McMinn 1935-6-27 4070 Riverside Palms to Pines Hwy. on grade to the valley Comment
  OBI37524  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Keith Rd, just E of the Bear Crk development golfcourse Comment
  RSA603750  Bidens laevis L. C. Wheeler 1932-9-4 1319 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  RSA585516  Bloomeria crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR194861  Bloomeria crocea Mitch Provance, Michael L. Fugate 2005-4-14 10050 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  SD137978  Bloomeria crocea var. crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground.mIn mesic chaparral. 701 Comment
  RSA171387  Boechera californica J. D. Olmsted 1962-2-2 3464 Riverside Banning-Idyllwild Road. 1159 Comment
  RSA769762  Boechera californica Duncan S. Bell, Valentin Arvizu 2010-5-10 984 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  UC56911  Boechera perennans H. M. Hall 1901-5-24 1897 Riverside e base San Jacinto Mts. (Vandeventer's, along borders of the Colorado Desert,); , Colorado Desert 1371 Comment
  UC1776796  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto, Riverside Co. Comment
  JOTR30687  Boerhavia coulteri Andre, Jim, Tasha La Doux 2008-9-13 10277 Riverside Joshua Tree National Park. Pinto Basin along paved Hwy at Fried Liver Wash 548 Comment
  UCR163052  Boerhavia coulteri B. G. Pitzer, G. R. Ballmer 2000-10-14 4217 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  RSA0045134  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40410 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  UCR280423  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 5 km east of Eagle Mountain Mine 284 Comment
  RSA0121007  Boerhavia wrightii Duncan S. Bell, LeRoy Gross 2016-3-8 8826 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  SBBG93086  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Tabaseca Tank, in the extreme northern end of the Chocolate Mtns; Chocolate Mtns Aerial Gunnery Range 610 Comment
  UCR133683  Bolboschoenus maritimus subsp. paludosus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR232064  Bolboschoenus maritimus subsp. paludosus John F. Green 2008-4-24 13- 08 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  CAS-BOT-BC145585  Bouteloua aristidoides Peter H. Raven 1958-1-24 11453 Riverside Fargo Canyon. Comment
  UCR1532  Bowlesia incana R. L. Irwin 1962-4-15 29 Riverside Upper Santa Ana River/San Bernardino Valley Region, Sycamore Canyon, c. 1.4 mi. south of Pennsylvania Ave on Canyon Crest Dr. along creek 336 Comment
  JEPS43805  Boykinia rotundifolia Marjorie D. Clary 1932-8-7 1640 Riverside Snow Creek; Colorado Desert, San Jacinto Mts., Snow Creek 365 Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  NY43293  Brandegea bigelovii C. R. Annable 1995-3-15 2284 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  RSA0093748  Brandegea bigelovii Jim M. Andre 2012-4-11 20719 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  SD80936  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill at scenic stop 669 Comment
  SEINET3082942 Image available Brandegea bigelovii Barbara Gayle Pitzer 1998-1-24 3390 Riverside Sonoran (Colorado) Desert; N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UC68780  Brandegea bigelovii H. M. Hall Apr. 1905 5948 Riverside Colorado Desert, McCoy Wash 91 Comment
  UCR166551  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA0041948  Brassica tournefortii Duncan S. Bell, Loraine Washburn 2014-4-8 6588 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA676128  Brassica tournefortii Scott D. White 2001-4-13 8329 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UC1329827  Brickellia atractyloides James E. Cole 1941-5-23 776 Riverside Split Rock Area Joshua Tree National Monument 1280 Comment
  UC604871  Brickellia atractyloides Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  CAS-BOT-BC106185  Brickellia desertorum A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns. - Whitewater Canyon, just below the fish hatchery (Whtie Water 7.5' Q.) 647 Comment
  CAS-BOT-BC106192  Brickellia desertorum John C. Roos 1950-12-2 5029 Riverside Monson Canyon, Eagle Mts. 914 Comment
  RSA16813  Brickellia desertorum C. B. Wolf 1931-10-14 3900 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  JOTR33947  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2836 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA263716  Brodiaea filifolia E. W. Lathrop 1968-6-2 6965 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
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Apr 7 2011
  UCR94259  Brodiaea filifolia Scott D. White 1996-4-14 3890 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  RSA771811  Brodiaea santarosae Steve Boyd 2010-5-26 12277 Riverside Elsinore Peak, south slope, just north of trail along old Main Divide Road and east of road up to communications towers 1037 Comment
  SD132932  Brodiaea terrestris subsp. kernensis Tim Cass, Fred Sproul 1979-6-1 201 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  SD132939  Brodiaea terrestris subsp. kernensis Tim Cass 1979-6-1 202 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  CAS-BOT-BC149331  Bromus arizonicus S. B. Parish 1907-4-15 6138 Riverside Western edges of the Colorado desert. Gabezon. Comment
  UCR263484  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA78185  Bromus berteroanus J. C. Roos, L. Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon, south of Palm Spriings. 274 Comment
  UCR213898  Bromus carinatus Scott D. White, Justin Wood 2009-5-22 12896 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR265595  Bromus carinatus Jordan Zylstra 2014-3-18 14007 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  CLARK-A1528-4535  Bromus diandrus John C. Roos 1952-4-9 5474 Riverside Riverside 259 Comment
  UCR21174  Bromus hordeaceus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCSB18534  Bromus madritensis subsp. rubens MacLean, Jr., Steve 1963-5-4 Riverside Banning to Idyllwild Rd; 2.5 mi S of Banning 853 Comment
  UCSB9692  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  SEINET14423590  Bromus mollis D. Terrell 1969-5-19 102 Riverside 1 mi E of Lake Elsinore 229 Comment
  UCD59075  Bromus orcuttianus var. hallii Peter Kamb 1948-7-3 1141 a Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR120941  Bromus rubens A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24921 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  JOTR37492  Bromus tectorum Hodges, Stephen R. 2016-4-6 621 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  RSA748342  Bromus tectorum Justin M. Wood, Brandy Wood 2009-6-13 883 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  UCR104906  Bromus tectorum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20645 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UC1043018  Bromus trinii John and Lucille Roos 1952-5-24 5711 Riverside hills n of Moreno 518 Comment
  UCR126328  Caesalpinia gilliesii Mitch Provance 1998-7-23 906 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  POM14395  Caesalpinia virgata P. A. Munz, D. D. Keck 1922-4-9 4753 Riverside Shavers Well, near Mecca. 76 Comment
  RSA303516  Caesalpinia virgata J. R. Shevock 1971-3-6 737 Riverside Box Canyon, near Mecca. 304 Comment
  UCR86211  Caesalpinia virgata A. C. Sanders 1995-5-23 17113 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  SD185298  Calandrinia ambigua John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  UCR116855  Calandrinia ciliata A. C. Sanders, Steven R. Hill 2001-5-4 24138 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR116986  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-5-3 24077 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR225576  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38873 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA0108365  Callitriche heterophylla subsp. bolanderi Robert F. Thorne, Walter Wisura, Earl W. Lathrop, Sara Meury 1985-5-18 60638 Riverside Santa Rosa Plateau: Along seasonal stream in Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  SD82892  Calocedrus decurrens Larry E. De Buhr 1972-2-25 500 Riverside Santa Rosa Mountains, along forest Road 7S02 above Cedar Springs 2345 Comment
  UCR35306  Calocedrus decurrens L. B. Ziegler 1973-8-15 514 Riverside San Jacinto Mtns., Cahuilla Valley near the foot of Cahuilla Mountain 1220 Comment
  UCR107820  Calochortus albus D. L. Banks 1997-5-5 2001 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  CAS-BOT-BC488541  Calochortus concolor R. S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains Comment
  RSA0066240  Calochortus invenustus Anonymous s.n. Riverside Strawberry Valley. 1524 Comment
  RSA369046  Calochortus palmeri var. munzii N. C. Cooper 1949-6-29 4315 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC132465  Calochortus plummerae Mrs. A. R. Seitz 1915-7-16 s.n. Riverside Head of Banning Canyon Comment
  SBBG89045  Calochortus splendens B. Pitzer, K. Kirtland 1986-5-7 218 Riverside N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  UCR175072  Calochortus splendens Teresa Nieto 2005-4-24 16 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  CAS-BOT-BC483503  Calochortus splendens E. W. Lathrop 1965-5-18 5759 Riverside 8 miles west of Murrieta 609 Comment
  UC1563116  Calochortus weedii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-11 3720 Riverside w end Vail Lake (sw of dam, Vail Lake area) 487 Comment
  UCR120739  Calochortus weedii var. intermedius D. E. Bramlet, Sandy Leatherman 2000-6-7 3062 Riverside Santa Ana Mtns., 762 m north of Tin Mine Canyon and 213 m SW of the intersection of Chase Road and Mangular Avenue in Corona 358 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
  JOTR34075  Calycoseris parryi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2972 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
  SD124513  Calyptridium monandrum J. Sauer, Hart Walter 1980-5-17 6095 Riverside San Jacinto Mountains; near Lake Fulmor. Comment
  UCR116894  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24205 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR127353  Calyptridium monandrum A. C. Sanders, D. Malueg 2003-5-8 26574 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 396 Comment
  CSUSB656  Calystegia macrostegia John N. Bullock 1970-5-18 P 34 Riverside 50 meters east of Maitri Road at a spot 200 meters south of the junction of Maitri Road and California State Highway 71 341 Comment
  LA50059  Calystegia macrostegia subsp. tenuifolia Elizabeth McClintock; 1935-5-12 sn Riverside Massacre Canyon near San Jacinto Comment
  UC23142  Calystegia occidentalis subsp. fulcrata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity Strawberry Valley 1584 Comment
  CDA37642  Camissonia bistorta T. C. Fuller 1964-4-14 11819 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  CSUSB171  Camissonia bistorta Eric Trubschenck 1972-5-8 10 Riverside 12 miles east of Riverside, one mile south of intersection of Alessandro Blvd. and Wilnot Street. Canyon north-running in east-to-west granite hills. 365 Comment
  RSA465915  Camissonia bistorta P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA465961  Camissonia boothii subsp. condensata E. C. Jaeger 1922-3-27 707 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  RSA747730  Camissonia brevipes Scott D. White, Justin M. Wood 2009-3-24 12565 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA466167  Camissonia californica Ora M. Clark 1929-3-17 1690 Riverside Colorado Desert, south of Cabazon. Comment
  RSA466174  Camissonia californica M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  UCR277102  Camissonia campestris Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  POM49179  Camissonia cardiophylla P. A. Munz, D. Keck 1925-3-7 9351 Riverside Painted Canyon, Mecca. Comment
  RSA454731  Camissonia cardiophylla Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  UCR148858  Camissonia claviformis 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
  SEINET10492068  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7471 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s, r10e, sec35. Common to abundant in wash. Petals cream with reddish base. 244 Comment
  RSA444316  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-3-1 4185 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  RSA448926  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1944-3-26 1028 Riverside Morongo Pass, Floor of canyon. 457 Comment
  UCR45967  Camissonia hirtella R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60623 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  UCR93034  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR20441  Camissonia ignota E. W. Lathrop 1966-3-20 6060 Riverside Santa Ana Mtns., Santa Rosa Plateau, West of Murrieta, 1 mi north of Santa Rosa Ranch 549 Comment
  RSA752562  Camissonia micrantha Justin M. Wood 2009-3-3 328 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  UCR121666  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  RSA770290  Camissonia pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4750 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65131 604 Comment
  SEINET242054  Camissonia pallida A. C. Sanders 2001-3-20 23854 Riverside Western Colorado Desert: Coachella Vly, Garnet, N side of 19th Ave, 0.5 mi (air) NW of intersxn of I-10 and Indian Ave. 235 Comment
  UCR102209  Camissonia pallida A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19674 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  POM172020  Camissonia pallida subsp. pallida P. A. Munz 1930-5-1 11920 Riverside Whitewater 91 Comment
  POM253860  Camissonia pallida subsp. pallida A. M. Alexander, Louise Kellogg 1941-4-22 2059 Riverside Morongo Valley Gorge. 701 Comment
  RSA449238  Camissonia pallida subsp. pallida Anstruther Davidson 1906-01 1146 Riverside Taquitz Canon, Colorado Desert. Comment
  HSC87252  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2160 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  SD124059  Camissoniopsis bistorta Robert F. Thorne, Drs. Fosberg, Sachet & Herbst 1983-4-23 55481 Riverside San Bernadino Mountains: Sandy wash along Whitewater River where road crosses river below fish hatchery. Circa 4 miles North of Whitewater Post Office. 640 Comment
  UC56476  Camissoniopsis bistorta H. M. Hall 1902-4-26 2990 Riverside vicinity of Riverside 365 Comment
  UCR166105  Camissoniopsis bistorta 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 427 Comment
  UCSB10494  Camissoniopsis ignota Breedlove, Dennis 1962-3-11 Riverside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  UC398682  Camissoniopsis pallida subsp. pallida L. R. Abrams 1926-3-27 Riverside near the type station Cabazon Comment
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Mar 13 2011
  UCSB4448  Camissoniopsis pallida subsp. pallida Long, Frances 1939-12-31 Riverside Indio Comment
  RSA495456  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2984 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR21202  Capsella bursa-pastoris A. C. Sanders 1980-5-1 1377 Riverside San Jacinto Mountains, Garner Valley, off Morris Ranch Road, 2.2 mi north of Kenworthy Ranger Station 1616 Comment
  PASA395  Capsella elliptica Frank W. Peirson 1921-4-11 Riverside Murray Canyon, Palm Springs Region Comment
  RSA5009  Cardamine californica var. integrifolia C. B. Wolf 1932-3-20 9 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  SEINET7063425 Image available Carex A. G. Vestal 1947-3-30 s.n. Riverside West of Cahuilla Valley on Route 371. UTM Zone 11, 519809mE, 3708775mN. (WGS84/NAD83). 1045 Comment
  UCR26907  Carex athrostachya A. C. Sanders 1980-7-18 1682 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  CLARK-A1528-971  Carex diandra Patricia A. Andrews 1975-3-13 5899 Riverside Rubidoux Comment
  CAS-BOT-BC32035  Carex multicaulis P. M. Kamb 1948-7-3 1148 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC118510  Carex praegracilis Earl W. Lathrop 1959-5-17 4553 Riverside 10 mi W of Murrieta Comment
  RSA0042250  Carex praegracilis Jeri Hirshberg 1989-7-26 s.n. Riverside Vicinity of Vail Lake: spring in Butterfield country. Comment
  UC213315  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Murrieta 304 Comment
  RSA192147  Carex schottii H. A. Zuill 1966-4-1 111 Riverside About 10 miles WSW of Murrieta, Tenaja Canyon,. Comment
  UCSB37818  Carthamus tinctorius Oscar F. Clarke 1968-12-16 Riverside collected in University of California Riverside Greenhouse Comment
  SEINET949262  Cassia nemophila A. C. Sanders, K. C. Rose 1999-1 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. Between Ave 54 and I -10 (La Quinta 7.5) 10 Comment
  RSA652586  Castilleja affinis C. J. Humphrey 1936-6-7 325 Riverside [No location information provided.] Comment
  SDSU14070  Castilleja affinis subsp. affinis Bismarck Magtoto 2002-4-20 9 Riverside Found along entrance of Loop Trail of Santa Margarita Ecological Reserve. 335 Comment
  UC885361  Castilleja applegatei subsp. martinii Carl B. Wolf 1932-8-5 Riverside from Tahquitz Valley to San Jacinto Peak (along trail); San Jacinto Mts. 2621 Comment
  RSA730597  Castilleja densiflora Robert F. Thorne, Walter Wisura 1978-5-21 52006 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SEINET7073343  Castilleja densiflora 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
  UCR35223  Castilleja densiflora subsp. gracilis L. B. Ziegler 1969-5-19 358 Riverside San Jacinto Mtns, Hemet Valley. Lower hills near the old Kenworthy [Ranger Station] District 1433 Comment
  UCR60718  Castilleja densiflora subsp. gracilis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 888 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR158255  Castilleja exserta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30108 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
  UCR94252  Castilleja exserta subsp. exserta Scott D. White 1996-4-14 3912 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UCR133981  Castilleja foliolosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 974 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  POM250367  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs. Comment
  RSA525244  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross 1990-5-11 4621 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA717615  Caulanthus heterophyllus Scott D. White 2006-4-27 11304 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
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Feb 5 2020
  UCR174302  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32654 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR60251  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3165 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  CDA31121  Ceanothus crassifolius Mike Lahti 2010-3-8 PDR# 1501966 Riverside Murrieta: at Jo-Dan Farms on Pabesu Road near Greer Road. 0 Comment
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Aug 11 2012
  RSA398895  Ceanothus crassifolius M. B. Dunkle 1935-3-3 4354 Riverside San Juan Canyon. 762 Comment
  RSA570245  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7899 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 Road, 610 Comment
  SD137652  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 680 Comment
  UCD111431  Ceanothus crassifolius R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga, southern border of county. Comment
  UC870523  Ceanothus cuneatus var. cuneatus I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4736 Riverside Gavilan Peak 600 Comment
  UCR135732  Ceanothus greggii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9033 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA68332  Ceanothus leucodermis G. R. Campbell 1951-5-30 16150 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  SBBG105055  Ceanothus ophiochilus S. Boyd with T. Ross 1993-3-23 7893 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd 792 Comment
  UC1594217 Image available Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3020 Riverside 1 mi W of Vail Lake 609 Comment
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Sep 19 2010
  UCR82903  Cenchrus echinatus A. C. Sanders, C. L. Sanders, S. D. White 1994-10-9 15802 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CAS-BOT-BC277183  Centaurea X pouzinii R. M. Howie No date on label s.n. Riverside Fuller Rancho, Corona Comment
  SEINET2046214 Image available Centaurea melitensis Howard Scott Gentry 1948-6 8180 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  SD211550  Centromadia pungens subsp. pungens Scott D. White 2008-8-20 12535 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameris and Oleander Streets. (Perrs, Sunnymead) 445 Comment
  UCR37474  Cerastium glomeratum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  CLARK-A1656-871  Cercidium floridum Jim Cornett 1977-7-2 Riverside Desert Hot Springs 441 Comment
  CSUSB929  Cercidium floridum M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  CAS-BOT-BC279539  Chaenactis artemisiifolia Cecil Hart 1922-5-21 20 Riverside San Jacinto Mt. Comment
  CLARK-A1528-5000  Chaenactis artemisiifolia John C. Roos 1937-5-10 2070 Riverside Comment
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Jun 24 2014
  RSA727395  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  HSC78584  Chaenactis carphoclinia var. carphoclinia G. K. Helmkamp 1983-3-24 38319 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd 336 Comment
  POM308526  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3169 Riverside 10 miles east of Indio. Comment
  POM351674  Chaenactis carphoclinia var. carphoclinia N. C. Cooper 1949-4-8 3239 Riverside Mecca Pass east of Indio 457 Comment
  CAS-BOT-BC276928  Chaenactis fremontii G. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  RSA100386  Chaenactis fremontii Palmer Stockwell 1940-4-24 1507 Riverside 1 mile E of Banning. Comment
  RSA691085  Chaenactis fremontii Scott D. White 2001-4-18 8362 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UC1292310  Chaenactis fremontii C. L. Hitchcock and C. V. Muhlick 1964-3-22 23265 Riverside w end of Pinto Basin; Joshua Tree National Monument, Pinto Basin Comment
  UCR268784  Chaenactis fremontii Jim Andre 2015-3-2 31350 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  SD186071  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles sousouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  UCR48369  Chaenactis glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  RSA613635  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 B Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  JEPS30496  Chaenactis stevioides Peter H. Raven 1958-1-24 11471 Riverside 4.5 mi n of State Highway 195 (on road to Cottonwood Springs) Comment
  UCR97750  Chaenactis stevioides Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  RSA736786  Chamaesyce albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JEPS52391  Chamaesyce polycarpa Marjorie D. Clary 1931-12-13 655 Riverside w Coral Reef; Coachella Valley, Devil's Canyon Comment
  JOTR32295  Chamaesyce polycarpa Herskovits, Tasya, M. Harding, M. Wheeler 2011-6-22 6 Riverside Joshua Tree National Park. Eagle Mountains; .5 mile east of Pinto Basin road and north of southern park boundary; Open sandy bajada 553 Comment
  RSA798153  Chamaesyce polycarpa Marc Baker, Michelle Cloud-Hughes 2011-12-18 17504 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SBBG104670  Chamaesyce polycarpa J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  RSA339344  Chamaesyce polycarpa var. hirtella R. F. Thorne, W. A. Tilforth 1980-5-28 54171 -a Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA615380  Chamaesyce prostrata A. C. Sanders, L. Ard, et al. 1994-7-11 15061 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  RSA0094269  Chamaesyce serpillifolia Duncan S. Bell 2015-9-30 8684 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CDA35278  Chamaesyce serpillifolia subsp. serpillifolia Louis C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer s Grove. 0 Comment
  UC2026401  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10052 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA612813  Cheilanthes clevelandii Darin L. Banks 1997-3-1 1356 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  JOTR16825  Cheilanthes covillei Supernaugh, William JR. 1967-2-16 57 Riverside Joshua Tree National Park. 1/4 MILE SOUTH OF RYAN HOMESTEAD 1341 Comment
  CAS-BOT-BC70297  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta Comment
  UCR48426  Cheilanthes newberryi Steve Boyd 1985-12-25 1198 Riverside Peninsular Range, Gavilan Hills; W side of Steele Valley in SCE Transmission Line Corridor 762 Comment
  RSA685805  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 349 Riverside Andreas Canyon watershed. 366 Comment
  RSA685824  Cheilanthes parryi May N. Ackley 1928-4-1 178 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  RSA718776  Cheilanthes parryi Michael Honer, L. Hulse 2004-4-3 1925 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  SEINET3870277  Cheilanthes parryi Louis C. Wheeler 1964-10-17 8638 Riverside Orocopia Mountains: South of Hayfield Reservoir (lake) Colorado Desert.; 0 Comment
  UCR41423  Cheilanthes parryi A. C. Sanders 1985-12-22 5962 C Riverside Coachella Valley, foot of the Santa Rosa Mountains, W end of Ave. 74, 2.6 mi west of Polk Street. Southern edge of Martinez Canyon. 122 Comment
  RSA423251  Chenopodium berlandieri N. C. Cooper 1943-10-9 949 Riverside Hemet. 304 Comment
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Apr 29 2011
  UCR115139  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2271 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA0104482  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 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
  SD148184  Chenopodium missouriense Mitch Provance 2000-10-28 2283 Riverside Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  UCR114326  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside, Prenda area, south side of Hermosa St., c. 0.25 mile west of the intersection with Washington St. 610 Comment
  UCR176677  Chenopodium missouriense G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  CAS-BOT-BC231781  Chilopsis linearis L. R. Abrams 1926-3-26 11064 Riverside Palm Springs to Palm Canyon Comment
  CLARK-A1528-2280  Chilopsis linearis John C. Roos 1952-6-21 5783 Riverside San Timoteo Canyon Comment
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Oct 22 2014
  SD234847  Chilopsis linearis A. C. Sanders 2008-7-25 35923 Riverside Interior South Coast; San Jacinto Valley; Gilman Springs Road at mouth of Massacre Canyon, 0.7 miles NW of Gilman Hot Springs (San Jacinto 7.5' Q) 466 Comment
  CAS-BOT-BC231789  Chilopsis linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 275 Riverside In dry stream bed of North Canyon just above juncture with Andreas Canyon; east slope San Jacinto Mountains 350 Comment
  POM47788  Chilopsis linearis subsp. arcuata Mary F. Spencer 1918-4-8 800 -a Riverside Palm Springs. Comment
  RSA0087834  Chilopsis linearis subsp. arcuata Sarah J. De Groot, Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains. 768 Comment
  POM15199  Chimaphila menziesii Mary F. Spencer 1927-6-27 1972 Riverside Tahquitz trail, Idyllwild. 1829 Comment
  POM11886  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-9-6 6387 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  SEINET3004919  Chloracantha spinosa G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10337 Riverside Canal two miles north of Blythe. 70 Comment
  UCR211698  Chloris truncata Fred M. Roberts, Michelle Balk 2006-8-24 6407 Riverside Perris Basin, Old Salt Creek drainage, Hemet at northwest corner of California Ave. and Marvin Hull Road 452 Comment
  CAS-BOT-BC184868  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside. At Citrus Experiment Station. 304 Comment
  UCR57112  Chlorogalum parviflorum Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  UCR260858  Chorizanthe brevicornu A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41493 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  POM12067  Chorizanthe brevicornu var. brevicornu Mary F. Spencer 1921-3-16 s.n. Riverside Mecca. -60 Comment
  RSA392605  Chorizanthe brevicornu var. brevicornu F. R. Fosberg 1932-3-13 8066 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  CAS-BOT-BC191851  Chorizanthe corrugata Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canon [canyon] 30 Comment
  CLARK-A1528-727  Chorizanthe corrugata Charlotte Stocks 1966-4-10 Riverside Mecca Comment
  CAS-BOT-BC460910  Chorizanthe leptotheca W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  UCR35075  Chorizanthe leptotheca L. B. Ziegler 1966-7-5 51 Riverside San Jacinto, Dry slopes and disturbed soil near Hemet Lake 1372 Comment
  VVC1505  Chorizanthe leptotheca A. C. Sanders, PJ MacKay, Tim Thomas, O Clarke 1997-5-4 20679 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 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
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA593799  Chorizanthe polygonoides var. longispina Jeri Hirshberg 1995-5-19 273 Riverside San Jacinto Mountains, Garner Valley. Comment
  UCR48478  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR217517  Chorizanthe procumbens var. albiflora Lee A. Ripma 2008-5-7 93 Riverside Santa Ana Mtns, San Mateo Canyon, 1.3km northwest of Wildomar Rd, west of Tenaja trail 661 Comment
  RSA172019  Chorizanthe xanti var. leucotheca P. A. Munz 1930-5-1 11919 Riverside One mile east of Cabazon, San Gorgonio Pass. Comment
  RSA754130  Chrysolepis sempervirens W. Schlegel, Andrew Troutte 2008-8-15 11 Riverside Idyllwild: PCT trail near Wilderness Boundary. 2363 Comment
  UCR50298  Chrysopsis villosa B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0567 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  UC1184320  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11751 Riverside along US Hwy 95 35.8 mi n Blythe (near Colorado River) Comment
  SDSU21772  Chylismia claviformis R. F. Thorne 1995-3-29 63024 Riverside Transverse Ranges; San Bernardino Mountain region: White Water Canyon. 600 Comment
  CAS-BOT-BC160580  Chylismia claviformis subsp. aurantiaca A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37433 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
  UC1007236  Chylismia claviformis subsp. aurantiaca P. A. Munz 1940-3-24 15711 Riverside wash 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  SEINET5344366  Chylismia claviformis subsp. claviformis N. H. Holmgren, P. K. Holmgren 1974-3-23 7470 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca. 244 Comment
  CAS-BOT-BC289646  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside Vicintiy of Chalk Hill, San Jacinto Mountains 1584 Comment
  UC1930022  Cirsium scariosum Scott D. White, Justin Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  RSA573434  Cirsium vulgare Steve Boyd, Timothy S. Ross 1994-9-14 8341 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  SD137707  Clarkia epilobioides Darin L. Banks, Steve Boyd 1995-5-3 194 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Driping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA740636  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-18 12212 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  CSUSB229  Clarkia purpurea subsp. quadrivulnera R. P. Sunderman 1968-5-2 Riverside University of California, Riverside (UCR). 335 Comment
  POM13122  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1922-5-19 5333 Riverside 5 miles NE of Murietta. 488 Comment
  RSA759272  Claytonia parviflora Robt Allen, Lorrae Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  SD241155  Claytonia parviflora A. C. Sanders 2010-4-23 37992 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Road at intersection with Murrieta Road (Romoland 7.5'Q) 518 Comment
  RSA523491  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3951 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  CAS-BOT-BC92819  Clematis pauciflora Munz; Harwood 1920-2-28 3264 Riverside 2 miles southwest of Corona. Comment
  RSA666641  Clematis pauciflora A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24990 Riverside The Badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. 670 Comment
  UCR21840  Clematis pauciflora 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
  UCR90506  Cnicus benedictus F. M. Reed 1933-5-13 7686 Riverside Peninsular Range, Cattle range in Temecula Valley 549 Comment
  JOTR31071  Coleogyne ramosissima La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2334 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA192317  Collinsia heterophylla E. W. Lathrop 1965-5-9 5724 Riverside 6 miles W of Murrieta. Comment
  RSA0093968  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert. Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 695 Comment
  UCR173146  Conium maculatum Abby Sirulnik 2000-5-4 28 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  UC1931131  Convolvulus arvensis Scott D. White, Justin Wood 2008-6-17 12162 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) Butterfly Peak. Comment
  UCR227806  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-1 1231 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 2.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 992 Comment
  POM8240  Coreopsis californica P. A. Munz, R. D. Harwood 1920-3-20 3385 Riverside Temescal Canyon. 366 Comment
  UCR79254  Coreopsis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area: from Fisherman's Camp downstream to confluence w/ Bluewater Canyon 366 Comment
  CLARK-A1656-756  Corethrogyne filaginifolia Theo Glenn 1981-10-15 Riverside Snow Creek 396 Comment
  POM49860  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-29 8858 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA296114  Corethrogyne filaginifolia B. A. Prigge 1980-8-25 4011 Riverside San Jacinto Mts, San Gorgonio Pass, SE of Fingal siding, Southern Pacific RR 415 Comment
  UCR24939  Cornus nuttallii A. C. Sanders 1980-7-22 1709 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  CAS-BOT-BC291361  Cotula coronopifolia Mrs. J. D. Abrams 1901-5-23 s.n. Riverside Elsinore Comment
  RSA736242  Cotula coronopifolia Scott D. White, Jonathan Campbell 2008-4-18 11896 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  SEINET272372  Cotula coronopifolia A. C. Sanders, G Waines; Et Al 1997-3-12 19897 Riverside Lake Skinner area; Upper Rawson Cyn 2.5 mi NNE of Lk. Skinner 1 mi SW of Crown Valley. UTM 10km cell: MH-9E 2N. Dom 595 Comment
  CAS-BOT-BC427778  Crassula connata John H. Thomas 1959-3-23 7573 B Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  POM1490A  Crassula connata Robinson, Crocker s.n. Riverside Elsinore Region; along edge of lake Comment
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Mar 15 2014
  RSA0121172  Crassula connata Duncan S. Bell, LeRoy Gross 2016-3-30 9178 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA423453  Crassula connata N. C. Cooper 1944-4-23 1158 Riverside Banning 701 Comment
  UCR226071  Crassula connata A. C. Sanders, T. B. Salvato 2011-4-1 38940 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-BC226243  Crassula tillaea A. C. Sanders 2011-4-7 39026 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR140322  Cressa truxillensis A. C. Sanders 2004-5-12 27887 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  CLARK-A1528-2620  Crossosoma bigelovii John C. Roos 1967-3-25 Riverside Whitewater Canyon Comment
  POM153341  Crossosoma bigelovii Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  POM171375  Crossosoma bigelovii Marcus E. Jones 1929-03 s.n. Riverside Whitewater Creek. Comment
  UC669209  Crossosoma bigelovii Annie M. Alexander and Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon San Jacinto Mountains 365 Comment
  UCR226303  Crossosoma bigelovii Jim Andre 2011-2-18 15824 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  LA204989  Croton californicus Elizabeth McClintock; 1938-4-9 sn Riverside Soboba Indian Reservation, San Jacinto Comment
  OBI75912  Croton californicus James M. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella valley; just S of I-10 at Amtrak Train station parking, just W of N Indian Cyn Dr 186 Comment
  RSA788557  Croton californicus Duncan S. Bell 2012-3-8 3147 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UCD141953  Croton californicus Barry A. Prigge 1980-8-5 3823 Riverside San Bernardino Mountains, Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
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May 17 2016
  UCR58717  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Peninsular Range, Temecula Gorge, N bank of Santa Margarita River at aqueduct crossing. 250 Comment
  UCSB3576  Croton californicus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  UCD141965  Croton californicus subsp. californicus Robert F. Thorne; W. A. Tilforth, L. Shultz, R. K. Benjamin, J Hogge 1980-4-16 54120 Riverside San Bernardino Mts.; along Whitewater River; E. of bridge and levee. Comment
  SFV17217  Croton californicus var. mohavensis J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UCD148354  Crypsis schoenoides Don Domenigoni 1997-7-21 s.n. Riverside West Coast Turf, 31755 Winchester Road, Winchester. Comment
  JOTR35363  Cryptantha angustifolia Harding, Mitzi, M. Wheeler 2011-1-26 147 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  RSA191743  Cryptantha angustifolia R. F. Thorne 1963-3-29 32367 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA353601  Cryptantha angustifolia R. F. Thorne 1978-4-23 52033 Riverside Chino Canyon Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA611016  Cryptantha angustifolia N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella Comment
  RSA796472  Cryptantha angustifolia Duncan S. Bell 2009-4-18 208 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA799881  Cryptantha angustifolia D. M. Ray 2011-3-5 8 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG63616  Cryptantha angustifolia M. N. Ackley 1928-3-10 41 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SD126016  Cryptantha angustifolia F. R. Fosberg 1930-5-17 S 2622 Riverside Deep Canyon Comment
  UC1112454  Cryptantha angustifolia Peter H. Raven 1958-1-23 11427 Riverside 6.5 miles northwest of Indio (fringing U.S. Hwy 99) Comment
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Jun 9 2012
  UC79221  Cryptantha angustifolia C. R. Orcutt 1889-1 Riverside Colorado Desert Comment
  UCR214166  Cryptantha angustifolia T. B. Salvato 2010-4-20 4066 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR230773  Cryptantha angustifolia A. C. Sanders 2010-3-23 37531 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCSB10424  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside 4 miles north of Mecca, in Box Cyn Comment
  RSA0040032  Cryptantha angustifolia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  POM368280  Cryptantha barbigera Christopher Davidson 1979-4-4 7713 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA336415  Cryptantha barbigera R. F. Thorne, Walter Wisura, A. Shmida, Whittaker 1978-4-23 52054 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  SEINET3004965  Cryptantha barbigera G. Rink 2011-3-23 10389 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  UC1212051  Cryptantha barbigera Peter H. Raven 1960-3-16 14846 Riverside Box Canyon Comment
  UCR47671  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR52016  Cryptantha barbigera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2137 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR89563  Cryptantha barbigera George K. Helmkamp 1994-3-10 42 15 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  CAS-BOT-BC189588  Cryptantha circumscissa var. circumscissa Samuel B. Parish No date on label 188 Riverside Palm Canon [Canyon], Agua Caliente, Colorado desert Comment
  RSA0079092  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1451 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA0120136  Cryptantha decipiens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9081 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  JOTR33758  Cryptantha dumetorum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2756 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
  UCR15457  Cryptantha holoptera George K. Helmkamp 1977-3-12 s.n. Riverside Sonoran (Colorado) Desert, Deep Canyon at the bottom of the main wash near marker 40. South of Palm Desert 305 Comment
  POM369487  Cryptantha intermedia M. V. Hood 1945-3-25 s.n. Riverside Aguanga. Comment
  RSA338016  Cryptantha intermedia F. R. Fosberg 1932-5-9 10637 ` Riverside St. Johns Grade near Hemet. 770 Comment
  RSA519255  Cryptantha intermedia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  RSA674532  Cryptantha intermedia Scott D. White, Sandy Leatherman 2000-5-31 7990 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA709643  Cryptantha intermedia J. 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. 1372 Comment
  RSA710935  Cryptantha intermedia A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch. 348 Comment
  UCD119854  Cryptantha intermedia Gordon Pilone 1961-3-1 95 Riverside White Water Canyon, one-half mile below fish hatchery in San Bernardino Mountain Range. 457 Comment
  UCR20847  Cryptantha intermedia O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR215506  Cryptantha intermedia Daphne K. Christopher, Hannah I. Stevens 2003-4-3 080 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR91393  Cryptantha intermedia Scott D. White 1995-4-5 2710 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR92795  Cryptantha intermedia Scott D. White 1994-3-29 1939 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA784934  Cryptantha maritima Duncan S. Bell 2012-2-12 3102 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR130117  Cryptantha maritima Scott D. White 2001-4-3 8274 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR41597  Cryptantha maritima A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6121 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR72197  Cryptantha maritima Theo Glenn 1992-3-31 92 4 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  JEPS67961  Cryptantha micrantha S. B. Parish 1913-2-26 8464 Riverside Mecca, Salton Basin -57 Comment
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Feb 13 2009
  RSA788859  Cryptantha micrantha var. lepida Gary D. Wallace 2003-7-8 4028 Riverside Hidden Lake. Comment
  RSA792627  Cryptantha micrantha var. lepida R. F. Thorne 1995-3-29 63025 Riverside White Water Canyon 600 Comment
  UCR50418  Cryptantha micrantha var. lepida L. F. Lapre, S., S. J. Myers 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  UC1595612  Cryptantha microstachys Steve Boyd and Orlando Mistretta 1991-5-22 6282 Riverside e of Dorland Mtn. (w of Kolb Creek); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  UCR142179  Cryptantha microstachys June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UC917884  Cryptantha muricata Frank W. Gould 1943-4-18 2133 Riverside 4 mi e Elsinore Comment
  UCR135721  Cryptantha muricata Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9025 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR93063  Cryptantha muricata A. C. Sanders, S. Ogg 1994-7-28 15172 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR167799  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR216112  Cryptantha nevadensis Jim Andre, T. La Doux 2009-2-25 10807 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR228203  Cryptantha nevadensis Dave Silverman 2010-3-30 7884 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  UC64412  Cryptantha oxygona H. M. Hall May 1899 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  SDSU18692  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-1 55 Riverside Joshua Tree National Park. 1000 ft southeast of Cottonwood Springs campground. Near sign for entrance from campground to Mastodon loop trail. North facing slopes. 905 Comment
  RSA0042916  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Evan Meyer 2014-4-2 6499 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0079482  Cryptantha pterocarya var. pterocarya J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  JEPS67818  Cryptantha racemosa W. L. Jepson 1914-5-18 6013 Riverside n of Indio (between Pinyon Well and County Well); Colorado Desert 762 Comment
  JOTR32918  Cryptantha racemosa Andre, Jim, Tasha La Doux 2009-2-28 10840 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  UCR82835  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA689696  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  SBBG28778  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5867 Riverside Cottonwood Cyn, ca. 100 yrds E of Spring Comment
  SEINET3082945 Image available Cucurbita palmata C. M. Flanagan 1971-5-23 Riverside On the shoulder of 2 mile road, 29 Palms. Comment
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Mar 26 2014
  RSA617439  Cuscuta campestris Scott D. White 1994-10-21 2505 Riverside Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. S of bridge at Winchester; N of Long Valley Rd. 305 Comment
  UCR207985  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
  UCSB18340  Cylindropuntia ganderi Lehmann, Karla 1964-5-10 Riverside 5.3 miles east of Pinon Flats 883 Comment
  SEINET3836643 Image available Cylindropuntia ganderi var. ganderi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-13 28533 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  POM172121  Cymopterus panamintensis var. acutifolius M. French Gilman 1930-4-6 7 Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA0029198  Cynanchum utahense John F. Emmel 1997-10-20 1532 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  RSA522318  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  RSA564024  Cyperus involucratus M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
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Nov 19 2010
  SD257107  Cyperus involucratus Mitch Provance 2012-11-9 612 52 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mile SE of the intersection of Gernart Rd and Watkins Drive (Riverside East 7.5'Q) 422 Comment
  UCR20923  Cyperus squarrosus A. C. Sanders 1978-7-3 0839 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  CDA20776  Dactyloctenium aegyptium M. Lahti 2006-9-18 PDR 1357285 Riverside Island Growers, 43401 Anza Rd., Temecula. In Ivy stock containers.Mostly southern US weed, occasional in California. 0 Comment
  RSA684339  Dalea emoryi Scott D. White, Michael Honer 2003-4-18 9039 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  CSUSB1208  Dalea mollis Sally Bell 1964-3-26 Riverside Off Dillon Road about 3 miles northeast of the town of Indio, about 500 yards off of road in a dry wash. -6 Comment
  JOTR37057  Dalea mollis Hodges, Stephen R., E. Heck and A. Ingersoll 2015-9-24 612 Riverside Joshua Tree National Park. Pinto Basin, in sandy wash running west from Pinto Wells at the base of sand ramps and the Eagle Mountains Comment
  UCR41813  Dalea mollis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6039 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA404178  Dalea mollissima Anstruther Davidson 1893-1 s.n Riverside Palm Springs Comment
  CSUSB2123  Dalea schottii Wayne White 1975-5-17 709 Riverside Highway I-10, Chuckwalla Mountains, Colorado Desert 304 Comment
  POM147633  Dasyochloa pulchella F. M. Reed 1927-3-20 5438 Riverside Eagle canyon, fork of Salt Creek Wash, Colorado Desert Comment
  RSA736922  Datisca glomerata Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10674 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA784960  Datura discolor Duncan S. Bell 2012-3-18 3224 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  CSUSB772  Datura meteloides Nancy Atha 1963-3-21 3-21-63 7 Riverside Southwest side of hill at the corner of Madison St. and Victoria Ave. in (city of) Riverside. 274 Comment
  SEINET3078209 Image available Datura wrightii Ed LaRue 1989-4-20 Riverside Moreno Valley, old Riverside International Raceway on Day Street, ca 1/2 mi S of Hwy 60. Comment
  SEINET8465880 Image available Datura wrightii Unknown 1969-5-5 sn Riverside 1 mi south Corona, in field 207 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
  UCR223967  Daucus pusillus A. C. Sanders 2011-3-23 38803 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  SBBG119935  Deinandra fasciculata C. McGaugh 2003-5-10 Riverside "Greenway site" along Tucalota Crk, ca. 1 mi W of Murrieta Hot Springs; French Valley 396 Comment
  SD129598  Deinandra kelloggii Ed LaRue 1989-6-11 Riverside West side of Lakeview Mountains, ca. 1 mile southeast of Nuevo. 640 Comment
  UC32757  Deinandra kelloggii Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CDA7818  Deinandra mohavensis K. Esau 1935-6-15 Riverside Hemet Valley. 0 Comment
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Dec 14 2011
  SDSU12290  Deinandra paniculata Jonathan Snapp Cook 1999-4-14 25 Riverside Skunk Hollow vernal pool. NE of Temecula. Off of Pourray Raod. About 100 meters west of reserve gate. 305 Comment
  RSA278562  Delphinium parishii T. C. Emmel 1961-3-21 s.n. Riverside Chino Canyon Comment
  SBBG35010  Delphinium parryi subsp. parryi T. L. Secrest 1951-5-18 Riverside San Jacinto, few mi E of Hemet Comment
  UCR138886  Delphinium parryi subsp. parryi D. L. Banks 1997-4-5 1697 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  CAS-BOT-BC198174  Deschampsia danthonioides John Thomas Howell 1930-5-10 4776 A Riverside Marsh Field Comment
  UCD62783  Deschampsia danthonioides var. gracilis Alan A. Beetle 1946-6-10 4404 Riverside San Jacinto Mts., Camp Keene Meadow. Comment
  RSA0029102  Descurainia John F. Emmel 1989-4-8 1121 Riverside camping area along north shore of Lake Hemet, 1.3 air mi west of Lake Hemet store. 1326 Comment
  UCR195138  Descurainia incana A. C. Sanders, Tim Thomas 2008-8-1 35967 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  POM122356  Descurainia pinnata subsp. glabra Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  POM10270  Descurainia pinnata subsp. halictorum Anonymous 1904-4-10 s.n. Riverside Wilders Canon, Jurupa Hills, near Riverside. Comment
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Feb 2 2013
  RSA768122  Dicentra chrysantha E. W. Lathrop 1968-6-2 6958 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR145975  Dicentra chrysantha June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR241194  Dicentra chrysantha T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 377 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR260886  Dicentra chrysantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41569 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 396 Comment
  IRVC53  Dichelostemma capitatum subsp. capitatum Linda Stilgenbauer 1965-4-17 HS 0097 Riverside Ortega Hwy [74]. Peninsular Ranges, Santa Ana Mountains Comment
  POM1676  Dichelostemma capitatum subsp. pauciflorum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  CSUSB26  Dichelostemma pulchellum Karen Cook 1966-2-22 Riverside University of California, Riverside (UCR) campus. 200 yards southeast of intersection of street leading to agriculture buildings. 304 Comment
  CAS-BOT-BC292191  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  CAS-BOT-BC292199  Dicoria canescens M. E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
  POM356427  Dicoria canescens C. S. wasters 1909-6-20 s.n. Riverside Palm Springs. Comment
Read comments
Oct 10 2009
  UCR25622  Digitaria ischaemum John C. Roos 1951-9-25 5276 Riverside Riverside, Fairmount Park 259 Comment
  RSA554294  Digitaria sanguinalis Scott D. White 1992-2-25 92 -7 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  CAS-BOT-BC150938  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  SEINET222285  Diplacus fremontii B. Ertter, J. Strachan 1979-1 2989 Riverside Banning-Idyllwild Rd (Hwy 243) at Black Mt turnoff (Forest Rd 4Sol), San Jacinto Mts Comment
  JEPS52447  Ditaxis californica Marjorie D. Clary 1933-1-29 1754 Riverside Deep Canyon, Santa Rosa Mts. 15 miles northwest of Indio 243 Comment
  UCR42409  Ditaxis californica J. M. Stewart 1986-1-20 86- 3 Riverside Sonoran (Colorado) Desert, Divide between the Mecca Hills and the Orocopia Mtns. Comment
  JEPS3941  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral Reef Ranch, Coachella Valley Comment
  SBBG81673  Ditaxis lanceolata S. A. Junak 1983-3-23 1645 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  JOTR35319  Ditaxis neomexicana Harding, Mitzi, Mark Wheeler 2012-2-28 87 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  JOTR35376  Ditaxis neomexicana Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 165 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA608168  Ditaxis neomexicana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10054 A Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  CAS-BOT-BC43643  Dithyrea californica Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea. Comment
  CLARK-A1528-5015  Dithyrea californica John C. Roos 1937-4-18 1367 Riverside Comment
  RSA0019474  Dithyrea californica J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24390 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA696071  Dithyrea californica Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  RSA781612  Dithyrea californica Duncan S. Bell 2011-12-30 3036 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA79155  Dithyrea californica P. A. Munz 1952-5-2 16251 Riverside 2 miles west of Desert Hot Springs 183 Comment
  UCD114732  Dithyrea californica Evert I. Schlinger 1952-3-28 31 Riverside Whitewater. 152 Comment
  SBBG122756  Dodecahema leptoceras A. Parikh 1990-5-12 167 Riverside Arroyo Seco, S of Dripping Springs Cmpgrd, 1 km S of Hwy 79, 2.8 km E of Woodchuck Rd 494 Comment
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Apr 29 2011
  CAS-BOT-BC41606  Draba corrugata var. corrugata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. 2438 Comment
  UC50305  Draba cuneifolia H. M. Hall Apr. 1903 3804 Riverside vicinity Riverside; vicinity of Riverside 609 Comment
  UCR23482  Draba cuneifolia John C. Roos 1958-2-22 s.n. Riverside Chuckwalla Mtns., Canyon 2.5 mi S.E. of Desert Center Comment
  POM370050  Draba cuneifolia var. integrifolia W. M. Zabriskie 1973-2-16 113 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  POM99020  Draba cuneifolia var. integrifolia E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  RSA621449  Dryopteris arguta Darin L. Banks 1997-11-15 2190 Riverside North face of Dorland Mountain, east of the Dorland Mountain Arts Colony 537 Comment
  UC1951166  Dudleya pulverulenta Scott D. White, Justin Wood 2009-5-22 12930 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR281810  Dysphania ambrosioides Mitch Provance 2012-11-9 1112- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  SEINET8060006 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 5 Riverside 3.8mi down Eagle Mt. Rd. off I-10. SE side of the road. 400 Comment
  CHSC8315  Echinocereus engelmannii Edward L. Smith 1957-4-3 230 Riverside 1 mi. n on hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
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Jun 21 2014
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  POM365266  Echinochloa crus-galli S. B. Parish 1913-9-20 8616 Riverside Mecca. Salton Sink. 58 Comment
  RSA557322  Echinochloa crus-galli Scott D. White 1993-7-5 1384 Riverside San Jacinto Wildlife Area. West of dirt road. 445 Comment
  UC1100718  Eleocharis macrostachya Malcolm A. Nobs, S. Galen Smith 1948-9-3 502 Riverside Thermal Imperial Valley Comment
  UCR154935  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SBBG101695  Eleocharis palustris S. Boyd, T. Ross 1991-6-14 6382 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR120853  Eleocharis palustris D. E. Bramlet 2000-8-30 3070 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  CLARK-A1045-61  Eleocharis parishii George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5' Q Comment
  RSA335009  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  RSA743553  Eleusine coracana subsp. africana R. E. Riefner 2003-12-20 3 -548 Riverside Near Jurupa, Hellman Ave. at Pine Ave. 195 Comment
  CLARK-A1528-4600  Eleusine indica John C. Roos, Edmund C. Jaeger 1952-10-8 5899 Riverside Riverside 259 Comment
  CAS-BOT-BC203836  Elymus X hansenii J. C. Roos 1952-6-13 5765 Riverside Reche Canyon 457 Comment
  JOTR36416  Elymus elymoides subsp. brevifolius La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3362 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA680528  Elymus glaucus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8645 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC38192  Elymus glaucus H. M. Hall July 1901 2456 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  UCR232774  Elymus glaucus William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 016 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  RSA561887  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-6-10 7641 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  SD137957  Elymus glaucus subsp. glaucus Darin L. Banks, Steve Boyd 1995-5-17 469 Riverside Northwest Palomar Mtns; Cleveland N.F., Agua Tibia Wilderness Area; North face Agua Tibia Mountain, East of the Dripping Springs Alcove area West of the Dripping Springs Trail, at the spring just inside the wilderness boundary in north-central Section 33 730 Comment
  UCR137607  Elymus glaucus subsp. virescens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2262 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SD136948  Elymus multisetus Steve Boyd, Tim Ross 1992-6-10 7628 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. About Potrero Escondido, due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  JEPS1565  Emmenanthe penduliflora W. L. Jepson 1928-4-19 12427 Riverside 5 mi N Elsinore Comment
  UCR263239  Emmenanthe penduliflora A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41481 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UCSB9699  Emmenanthe penduliflora Leeuwen, Henry 1957-4-13 Riverside On West slope of Whitewater Canyon 2 miles from U.S. 60 Comment
  JOTR32036  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2266 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 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
  UCR5549  Encelia californica Marvin Miller 1967-1-6 s.n. Riverside Peninsular Range, Gavilan Hills Comment
  UCSB12291  Encelia californica Tarwater, Shirley 1961-3-30 Riverside 5 miles from Highway 71, on Lake Matthews Rd. 152 Comment
  CAS-BOT-BC131317  Encelia farinosa Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  LA205845  Encelia farinosa F. R. Fosberg; 1932-3-13 8067 Riverside Coachella Valley, Thousand Palms Canyon Comment
  SEINET2050632 Image available Encelia farinosa H. S. Gentry 1948-5-29 8170 Riverside Cajalco Road, Comment
  UC1777712  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -211 Riverside mouth of Whitewater Canyon; Palm Springs Comment
  RSA342564  Encelia farinosa var. farinosa R. F. Thorne, Dick Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54015 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA515198  Encelia farinosa var. phenicodonta Steve Boyd, Orlando Mistretta 1986-3-13 1470 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC68862  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCR262468  Enchylaena tomentosa A. C. Sanders, Richard Block 2015-7-4 41746 Riverside Peninsular Range, Riverside, R. & J. Block residence on Two Trees Rd. in Belvedere Heights neighborhood 396 Comment
  SD260138  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mountains: Hwy 74 near Agave Hill 0.3 km SW (249a^z) ov VABM Lucky, 1.6 km NE (37a^z) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs. (Rancho Mirage 7.5'Q) 801 Comment
  RSA317187  Ephedra californica S. Carlquist 1984-5-22 15806 Riverside Between Palm Springs and Cabazon on Interstate Highway 10 from San Bernardino to Yuma. Comment
  SEINET4898218  Ephedra californica Douglas Wood 1971-3-7 s.n. Riverside Palm Springs Desert Comment
  UCR94959  Epilobium brachycarpum Scott D. White 1996-9-22 s.n. Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  UC217983  Epilobium campestre P. A. Munz and I. M. Johnston 1922-5-21 5542 Riverside near Moreno; Mystic Lake 457 Comment
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Mar 20 2011
  UC874241  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-13 4309 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  RSA556500  Epilobium ciliatum Julie Greene 1993-4-3 1103 Riverside On raised wet area, west of dirt road. 445 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  RSA465619  Epilobium densiflorum E. C. Jaeger 1921-7-6 s.n. Riverside Strawberry Valley, San Jacinto Mtns. 1829 Comment
  RSA618001  Epilobium pygmaeum R. E. Riefner Jr. s.n. Riverside Elsinore Trough between Willard and Murrieta Creek; Wildomar. Comment
  RSA741376  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside Johnson Meadow. 1415 Comment
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  UCD39930  Eragrostis mexicana Beecher Crampton ? s.n. Riverside UC Davis Riverside, Agronomy Experimental Area, Plant Introduction Plot. Comment
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Jun 16 2012
  IRVC26150  Eragrostis mexicana subsp. mexicana J. C. Roos 1952-5-14 5659 Riverside Riverside, corner of Iowa Avenue and 8th Street southern coastal 305 Comment
  RSA314485  Eragrostis minor R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55366 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA28057  Eremalche exilis I. L. Wiggins 1941-3-27 9685 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA748373  Eremalche exilis Justin M. Wood 2009-3-26 407 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  RSA0047091  Eremalche rotundifolia Aaron C. Sedgwick, David Fraker 2012-3-28 26 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  RSA567653  Eremalche rotundifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12094 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA421560  Eremocarpus setiger Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  RSA588807  Eremocarpus setiger D. L. Banks, S. D. Boyd 1995-10-17 0760 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCSB4374  Eremothera boothii subsp. condensata Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center, on highway 60 & 70, south side of hw Comment
  UC70079  Eremothera refracta E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  SEINET7072836  Eriastrum densifolium A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  RSA0108908  Eriastrum densifolium subsp. austromontanum Peter Guiden, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 84 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC218262  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-7-1 5927 Riverside Old Nicholas Canyon Santa Rosa Mts. 1524 Comment
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Jun 4 2009
  UCR133417  Eriastrum diffusum Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 312 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR227591  Eriastrum diffusum Duncan S. Bell, Joy England 2010-5-27 1124 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 0.8 air mi southeast of junction of Hwy 74 and Forest Service Road 5S15 768 Comment
  RSA0042917  Eriastrum eremicum Duncan S. Bell, Evan Meyer 2014-4-2 6498 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0120050  Eriastrum eremicum subsp. eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11280 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC971781  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  CAS-BOT-BC514455  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11039 Riverside Palm Springs Comment
  UCR174070  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32636 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  CAS-BOT-BC187906  Eriastrum sapphirinum subsp. dasyanthum Clare B. Hardham 1965-6-17 12950 Riverside Near Banning, San Jacinto Mountains Comment
  SD148098  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2001-5-3 24094 Riverside Perris-Aguanga Basin region; Hemet, southeast corner of State Street at Gibbel at east end of Diamond Valley. 494 Comment
  JEPS21498  Ericameria nauseosa var. bernardina Carl V. Meyer 1928-7-31 613 Riverside Tahquitz Peak San Jacinto Mts. 2438 Comment
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Oct 23 2011
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  JOTR34118  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  UCR9133  Ericameria pinifolia Frank C. Vasek 1969-10-14 s.n. Riverside Box Springs Mtns, on an imaginary line c. 1/2 way between the terminus of Pennsylvania Ave. (now Martin Luther King Blvd, 2000) & the radio transmission towers Comment
  JOTR31168  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  JOTR31170  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  CAS-BOT-BC296240  Erigeron foliosus var. foliosus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA683093  Erigeron foliosus var. foliosus Scott D. White, Teresa B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8658 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SBBG104721  Erigeron foliosus var. foliosus M. A. Patten 1992-5-28 92 -10 Riverside just E of Temecula, between Pauba Rd and De Portola Rd, W boundary of site adjacent to Butterfield Stage Rd; property extending E ca. 3400 ft. 365 Comment
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Aug 24 2013
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  CLARK-A1528-4622  Eriochloa acuminata John C. Roos 1937-11-28 Riverside Riverside Comment
  UCD65712  Eriochloa acuminata A. R. Roos 1937-11-28 Riverside East Washington St., Riverside. Comment
  SEINET13710359  Eriodictyon crassifolium J. Adams, J. Adams (Botany) 1965-1 193 Riverside 2 Mi. Above Banning on Rd Toward Idyllwild 3500 Ft 1067 Comment
  UCR281007  Eriodictyon crassifolium Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 25 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  CAS-BOT-BC189125  Eriodictyon crassifolium var. crassifolium Alice Eastwood 1913-4-30 2994 Riverside Palm Springs Comment
  UC107133  Eriodictyon trichocalyx var. trichocalyx T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  UCR127545  Eriogonum angulosum A. C. Sanders, Mark Elvin 2001-8-17 24597 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  CAS-BOT-BC248632  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  SEINET6328740  Eriogonum apiculatum Wesley O. Griesel 1962-9-18 s.n. Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  CAS-BOT-BC242791  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  JOTR35460  Eriogonum davidsonii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 63 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop4) Comment
  UC1329842  Eriogonum davidsonii James E. Cole 1941-6-15 906 Riverside Black Spring Wash Joshua Tree National Monument, Black Spring Wash 1280 Comment
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Feb 24 2013
  UC6238  Eriogonum davidsonii H. M. Hall June, 1901 2088 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UC6302  Eriogonum davidsonii H. M. Hall Aug. 1897 860 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  RSA0112081  Eriogonum deflexum Duncan S. Bell 2010-10-23 1983 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  RSA346255  Eriogonum elongatum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54061 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UC1348957  Eriogonum evanidum Louis B. Ziegler 1967-10-10 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1402 Comment
  UCR114808  Eriogonum fasciculatum Mitch Provance 1998-2-6 21 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  RSA392663  Eriogonum fasciculatum var. flavoviride Jack Rempel, Erwin Miller 1934-4-28 s.n. Riverside Lost Horse 1296 Comment
  UC68576  Eriogonum fasciculatum var. flavoviride H. M. Hall May, 1903 6003 Riverside Cottonwood Pass 731 Comment
  CAS-BOT-BC249953  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  JEPS56991  Eriogonum fasciculatum var. polifolium W. L. Jepson 1901-5-17 1223 Riverside Riverside 266 Comment
  POM197991  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  UCSB1524  Eriogonum fasciculatum var. polifolium Gray, Caroline 1956-4-14 Riverside The Devil's Garden; 3 mi off Hwy 99 Comment
  SBBG62100  Eriogonum gracile P. A. Munz 1928-9-6 11284 Riverside near Santa Ana River, Ontario to Corona Rd Comment
  SD186297  Eriogonum gracile Andy C. Sanders, Mike Misenhelter 2005-6-15 30971 Riverside Sage-Aguanga Region; 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Road at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit 640 Comment
  UCR260531  Eriogonum gracile T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7994 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  RSA393250  Eriogonum gracile var. gracile Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  JOTR35158  Eriogonum heermannii var. argense Harding, Mitzi, T. Herskovits 2011-9-14 157 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  RSA784978  Eriogonum inflatum Duncan S. Bell 2012-3-18 3222 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR12003  Eriogonum inflatum W. Shapeero 1954-4-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [Park] Comment
  UCR165285  Eriogonum inflatum 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
  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
  RSA393586  Eriogonum inflatum var. inflatum Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside Rice to Desert Center. 122 Comment
  CAS-BOT-BC263120  Eriogonum maculatum Annie M. Alexander; Louise Kellogg 1941-5-15 2177 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  CLARK-A1528-3677  Eriogonum nudum subsp. pauciflorum John C. Roos 1943-10-16 2740 Riverside Little San Bernardino Mountains Comment
  UCR242665  Eriogonum nudum subsp. pauciflorum A. C. Sanders 2013-7-6 40853 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  RSA393042  Eriogonum palmerianum H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
  POM294037  Eriogonum pusillum Lyman Benson 1945-3-29 11622 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA766164  Eriogonum pusillum Joseph A. Ewan 1929-3-23 179 Riverside Whitewater canyon, 457 Comment
  CAS-BOT-BC253013  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  UC666502  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-28 2261 Riverside e Hayfield (on bank below Metropolitan Aqueduct Road) Comment
  CAS-BOT-BC263521  Eriogonum thomasii C. L. Hitchcock 1966-3-20 24312 Riverside Hills just n. of Milpitas Wash, Ogilby-Blythe Road Comment
  CAS-BOT-BC263529  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, Colorado Desert Comment
  JEPS56270  Eriogonum thomasii Marjorie D. Clary 1932-5-25 1695 Riverside Berdoo Canyon Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 762 Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  RSA777832  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 850 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  SBBG99612  Eriogonum thomasii W. L. Halvorson 1977-3-8 77 -92 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET4568270 Image available Eriogonum thomasii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2003-2-10 4584 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR104834  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  CAS-BOT-BC262871  Eriogonum thurberi John Thomas Howell 1931-6-4 6646 Riverside San Gorgonio Pass Comment
  CAS-BOT-BC262879  Eriogonum thurberi H. M. Hall 1900-6-1 1400 Riverside Santa Ana River 457 Comment
  POM14236  Eriogonum thurberi P. A. Munz, I. M. Johnston 1922-5-6 5168 Riverside Colorado Desert, dry Morongo Wash. Comment
  SBBG65504  Eriogonum thurberi M. N. Ackley 1928-4-1 871 Riverside between Indio and Palm Springs 60 Comment
  UCR177859  Eriogonum thurberi Marisa Sripracha, K. A. Boyd 2004-3-21 041 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UC666509  Eriogonum trichopes Annie M. Alexander and Louise Kellogg 1941-5-28 2262 Riverside Metropolitan Aqueduct Road e Hayfield Comment
  RSA65992  Eriogonum umbellatum subsp. munzii F. W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp 1799 Comment
  POM204400  Eriogonum wrightii var. membranaceum F. M. Reed 1932-9-26 7317 Riverside Palms to Pines, road on Santa Rosa Indian Reservation. 1220 Comment
  RSA334999  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau of the Gavilan Creek drainage system on the Plateau. 610 Comment
  RSA297402  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  UCR109455  Eriogonum wrightii var. nodosum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19658 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  CAS-BOT-BC261932  Eriogonum wrightii var. subscaposum H. M. Hall 1901-6-1 2467 Riverside San Jacinto Mountains. In open forests of Tahquitz Valley 1981 Comment
  UCR2827  Erioneuron pulchellum F. M. Reed 1927-1-5 5691 Riverside Sonoran (Colorado) Desert, Eagle Canyon, 5 miles east of Palm Springs, south of Cathedral City [= Cathedral Canyon?] 229 Comment
  CAS-BOT-BC297351  Eriophyllum confertiflorum P. C. Everett 1935-6-18 7185 Riverside Santa Ana Mts, main divide motorway to Santiago Peak, 1 mile from Ortega Highway 731 Comment
  RSA525428  Eriophyllum confertiflorum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4537 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR150013  Eriophyllum confertiflorum Scott D. White, Angelia Carey 2004-4-16 10157 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR92389  Eriophyllum confertiflorum F. M. Reed 1926-5-15 5368 Riverside Peninsular Range, Foothills south of Menifee 579 Comment
  UC1257338  Eriophyllum confertiflorum var. confertiflorum E. L. Koethen 1897-8-1 20 Riverside Riverside Comment
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Nov 20 2015
  RSA700018  Eriophyllum multicaule Scott D. White, Michael Honer 2003-4-4 8936 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  JEPS5371  Eriophyllum wallacei Carl V. Meyer 1929-6-13 758 Riverside along the grade from the San Jacinto River Canyon to Idyllwild (lower slopes of the mountains); San Jacinto Mountains, Chalk Hill 1463 Comment
  SEINET7063220  Eriophyllum wallacei A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  RSA650067  Erodium cicutarium David B. Dunn 1948-3-14 3778 Riverside collected in Whitewater, just West of station. Comment
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Jan 14 2010
  RSA659351  Erodium cicutarium M. Duke, Christy Hightower, C. McElroy 1982-5-15 1 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UC1483307  Eryngium aristulatum var. parishii Robert F. Thorne 1974-5-23 44662 Riverside top of Mesa de Colorado (w. edge of mesa n.w. of large vernal marsh, Rancho California, Santa Rosa Plateau); Santa Rosa Plateau, Rancho California 624 Comment
  CAS-BOT-BC54332  Erysimum capitatum Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  RSA102130  Erysimum capitatum var. capitatum G. B. Rossbach 1955-4-28 585 Riverside 2 mi. E of Santa Rosa Summit on Route 74, NW end of Santa Rosa Mountains. 1503 Comment
  RSA0020060  Erythranthe guttata Philip A. Munz 1924-5-18 8137 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  RSA0019314  Erythranthe guttata Peter H. Raven 1958-5-17 12944 Riverside 7.4 mi south-east of Banning on road to Idyllwild. Comment
  RSA0014891  Erythranthe moschata J. D. Olmsted 1959-7-25 768 Riverside Lily Fork of Strawberry Creek at start of Devil's Slide Trail NE of Idyllwild. San Jacinto Mountains, Strawberry Creek drainage area. 1738 Comment
  RSA0014862  Erythranthe primuloides H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  UC855149  Eschscholzia californica I. W. Clokey 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  CAS-BOT-BC83129  Eschscholzia minutiflora Carl B. Wolf 1932-4-26 2975 Riverside Colorado Desert. 5 miles east of Mecca, on Blythe Road. 30 Comment
  CAS-BOT-BC83133  Eschscholzia minutiflora Dr. A. Davidson 1893-1-1 s.n. Riverside Colorado Desert. Palm Springs. Comment
  RSA0110191  Eschscholzia minutiflora Duncan S. Bell 2010-4-2 711 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 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
  SD225054  Eschscholzia parishii G. K. Helmkamp 1998-4-4 3160 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumpins station 305 Comment
  RSA0041735  Eschscholzia rutifolia Sarah J. De Groot, April Garbat 2013-4-9 6997 Riverside Chuckwalla Mountains: Along Graham Pass Road, 5.6 miles south of junction with Chuckwalla Spring road, ~10.5 miles south of powerline, 11.4 miles south of Chuckwalla Valley Road. Up wash along road and up side drainage to west. 462 Comment
  RSA703406  Eucrypta chrysanthemifolia var. bipinnatifida LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1458 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR93027  Eucrypta chrysanthemifolia var. chrysanthemifolia G. P. Schultz 1994-4-8 57 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  UCSB4514  Eulobus californicus Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of US 99, & 3 air miles S of Riverside-San Bernardino county line 609 Comment
  UCR139628  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 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
  UCR171895  Euphorbia albomarginata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR264217  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-10 41864 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR111584  Euphorbia maculata Mitch Provance 1999-1-23 1742 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  CLARK-A1528-2704  Euphorbia polycarpa John C. Roos 1952-4-9 5496 Riverside Riverside 335 Comment
  SEINET2055683 Image available Euphorbia polycarpa Helen Kennedy, T. B. Salvato 2002-2-2 5448 Riverside Western Colorado Desert: Coachella Valley, Aqua Caliente Inidian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2. Along roadside 10 m from large water tank on construction road. 195 Comment
  UCR100865  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2719 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR111774  Euphorbia polycarpa var. hirtella Mitch Provance, J. Ross 1999-4-1 1726 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR33591  Euphorbia polycarpa var. polycarpa Sears 1977-10-15 S- 613 Riverside Sonoran (Colorado) Desert, Midland [SE of], foothills of the Big Maria Mountains 244 Comment
  UCR18358  Euphorbia serpens O. F. Clarke 1977-10-10 s.n. Riverside University of California, Riverside campus, NE of parking lot #6. Comment
  UCR20517  Euphorbia serpillifolia H. A. Zuill 1966-6-29 264 Riverside Santa Ana Mtns., Santa Rosa Plateau, Cole Canyon, 2 mi. [NW] of Murrieta Comment
  UCR101220  Eustoma exaltatum L. C. Wheeler 1955-6-10 7151 Riverside Sonoran (Colorado) Desert, Colorado River at John's Boat Landing Comment
  RSA663918  Fagonia laevis C. R. Annable 1995-3-15 2279 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  RSA731016  Fagonia pachyacantha M. Wall 2008-4-26 456 Riverside Chuckwalla Valley; along Chuckwalla Rd. just east of junction with Dupont Rd. 161 Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC59767  Ferocactus cylindraceus L. R. Abrams 1926-3-26 11209 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCSB4264  Ferocactus cylindraceus Gray, Caroline 1956-4-14 Riverside Devil's Garden; 3 mi. off Highway 99 Comment
  UCR167420  Festuca John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR113941  Festuca arundinacea Mitch Provance 2000-6-24 2065 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR24054  Festuca microstachys John C. Roos 1950-4-15 4737 Riverside The summit of Reche Canyon 793 Comment
  UCR48362  Festuca microstachys Steve Boyd 1986-5-1 1807 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  LA13148  Festuca octoflora A. M. Johnson; 1932-3-19 3885 Riverside below Palm Springs Comment
  RSA341993  Filago californica R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54029 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UCR155318  Filago gallica A. C. Sanders, Mike Misenhelter 2005-3-23 29251 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR15606  Filago gallica George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  SEINET7048207  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33719 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UC57357  Forestiera pubescens H. M. Hall Jun 1899 Riverside Gavilan Comment
  RSA652558  Fouquieria splendens Charles Slattery 1948-5-1 s.n. Riverside Found 8 miles southeast of Corona on highway to Lake Mathews. 274 Comment
  UCR216069  Fouquieria splendens Helen Kennedy, Fred R. Ganders 2008-4-9 6262 Riverside Sonoran (Colorado) Desert, c. 0.5 mi. from junction of Hwy 10 and Cottonwood Spring Road on dirt road to west, SE of Joshua Tree National Park 529 Comment
  RSA464919  Fraxinus dipetala E. Crow 1929-4-7 287 Riverside East end of Corona Skyline Drive, Santa Ana Mts. Comment
  UCR178341  Fraxinus dipetala T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 139 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR199568  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR91739  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  POM3542  Fraxinus velutina var. coriacea I. M. Johnston 1917-12-1 1804 Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA367716  Fritillaria biflora Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  RSA700106  Funastrum cynanchoides var. hartwegii Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  SD229053  Funastrum heterophyllum Dick Schwenkmeyer 2012-5-22 710 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 mi. south of intersection of highways 10 and 111, Riverside County, CA. 511 Comment
  RSA25130  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA763985  Funastrum hirtellum Justin M. Wood, D. Ray 2010-10-21 3022 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA776948  Funastrum hirtellum Amber Swanson 2011-3-19 241 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  UCR272256  Funastrum hirtellum Duncan S. Bell, Thomas R. Stoughton 2010-3-19 566 Riverside Mojave Desert, central section of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.25 air miles west of Priest Well 439 Comment
  UCR279553  Funastrum hirtellum A. C. Sanders, Jim Malusa 2017-3-29 43199 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  CAS-BOT-BC176706  Funastrum utahense Dave Silverman 2010-3-30 7886 Riverside 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-10 165 Comment
  UCR135860  Galium angustifolium A. C. Sanders 2004-4-20 27526 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
  UCR156079  Galium angustifolium T. B. Salvato, Kent Beaman 2005-5-16 821 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
  UCR174037  Galium angustifolium A. C. Sanders 2006-5-19 32435 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
  UCR174556  Galium angustifolium Jennifer H. Jones 2006-6-6 409 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  JEPS56080  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4258 Riverside 1 mi se Toro Peak ridge; Santa Rosa Mts. 2286 Comment
  RSA612596  Galium angustifolium subsp. angustifolium C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  UCD121584  Galium angustifolium subsp. angustifolium Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument. Comment
  JEPS56053  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and Clare Hardham 1965-6-17 4130 Riverside between Fulmore Lake and Idyllwild (road between Banning and Idyllwild); San Jacinto Mts., Alandale Pines Comment
  RSA689703  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1696 b Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  RSA770704  Galium aparine Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4808 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA783231  Galium aparine J. D. Olmsted 1962-5-2 3454 Riverside Flat by saddle just N of highest part of Box Spring Mountains 762 Comment
  SDSU12528  Galium aparine Tahirih Linz, M. G. Simpson 2000-4-1 7 Riverside 0 Comment
  UC666413  Galium aparine Annie M. Alexander and Louise Kellogg 1941-5-3 2108 Riverside 13 mi ssw 29 Palms (near the well); Joshua Tree National Monument 1371 Comment
  RSA667005  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200m east of Warren Rd. and 100-200m north of Stetson Ave. 457 Comment
  UCR277921  Galium porrigens Mitch Provance 2011-6-3 611- 01 Riverside Badlands of Western Riverside County, Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy. 60. 756 Comment
  UCD170418  Galium porrigens var. porrigens D. O. Burge 2017-3-12 2225 Riverside Alvin Meadows. 1435 Comment
  UCR138808  Galium porrigens var. porrigens D. L. Banks, J. Moreno 1997-2-5 1252 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  RSA0107899  Galium stellatum subsp. eremicum Duncan S. Bell, Thomas Stoughton 2010-3-19 572 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  RSA776845  Galium stellatum var. eremicum Amber Swanson 2011-3-18 231 Riverside Near campsite off Corn Spring Rd in Chuckwalla Mtns 575 Comment
  CAS-BOT-BC178387  Garrya flavescens Marian L. Campbell 1921-3-22 21 Riverside Foothills near Yucaipa on road to Redlands Comment
  UCR101447  Garrya flavescens A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22222 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  LA98198  Garrya fremontii Rich Minnich; April 1975 sn Riverside San Jacinto Mountains, Fuller Ridge, S slope 2499 Comment
  SD148102  Gaura drummondii A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, along bottom of canyon west of junction of Ave. Pina Colada. 345 Comment
  POM259112  Gayophytum diffusum subsp. parviflorum P. A. Munz 1938-8-14 15361 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM358664  Geraea canescens N. Dunn 1932-3-6 s.n. Riverside Coachella. Comment
  RSA105932  Geraea canescens Richard Mallory 1955-4-6 476 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  SD128749  Geraea canescens Darley F. Howe 1980-4-15 Riverside 2 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  UCR16341  Geranium dissectum Mike Way 1968-5-14 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California ranch, along Tenaja Road 579 Comment
  PASA679  Geranium richardsonii Sally Ellis 1939-6-24 Riverside Halona Comment
  UCR156460  Gilia T. B. Salvato, A. C. Sanders 2005-5-17 902 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
  UCR275955  Gilia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3792 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR177945  Gilia angelensis Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 027 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR121233  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM13097  Gilia diegensis P. A. Munz, I. M. Johnston 1922-5-20 5484 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA87943  Gilia diegensis Verne Grant 1954-6-10 19659 Riverside On top of a shoulder on Santa Rosa Mountain. 2134 Comment
  UCR259197  Gilia diegensis Mitch Provance, Jeremiah George 2012-4-24 412- 02 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  UCR20773  Gilia latifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1325 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR154456  Gilia ochroleuca Jason L. Hlebakos 2005-5-30 805 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CAS-BOT-BC407622  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside Temescal Canyon, near auto camp 304 Comment
  JEPS4073  Gilia ochroleuca subsp. exilis M. French Gilman 1921-4-15 12 Riverside Banning Comment
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Dec 17 2016
  RSA0013623  Gilia ochroleuca subsp. exilis LeRoy Gross, Duncan S. Bell 2013-4-30 6030 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
  RSA0016239  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4983 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
  SD261000  Gilia ochroleuca subsp. exilis Andrew C. Sanders 1994-5-29 14576 Riverside San Bedrnardino Mountains: East BrANCH Millar Canyon, along FS Road 4S45 1200 Comment
  RSA0016283  Gilia ochroleuca subsp. exilis Clare B. Hardham 1965-6-18 12947 -B Riverside Cedar Flat Road, Idlewild [Idyllwild]. Comment
  RSA0016285  Gilia ochroleuca subsp. exilis H. M. Hall 1901-06 2060 Riverside The vicinity of Chalk Hill 1524 Comment
  CAS-BOT-BC123828  Gilia splendens subsp. australis Herbert Louis Mason 1926-5-2 3195 Riverside Temecula Valley Comment
  JEPS61581  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside 8 mi sw Coachella (w of Coral Reef Ranch); Colorado Desert, sw of Coachella 91 Comment
  POM184303  Gilia stellata P. A. Munz 1932-3-14 11988 Riverside Palm Springs. 91 Comment
  RSA550351  Gilia stellata W. Wisura, John Dolan, Michael Wall 1992-3-24 4637 Riverside 15.4 miles NE of Mecca, Bajadas above Box Canyon Comment
  UC809710  Gilia stellata Philip A. Munz 1949-4-13 13043 Riverside above Cottonwood Springs (w end Eagle Mts., Colorado Desert); Colorado Desert, w end Eagle Mts., Cottonwood Springs 1097 Comment
  RSA66736  Glaucium flavum H. Baer 1923-5-22 s.n. Riverside South side of Lake Elsinore Comment
  RSA653663  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  CLARK-A1045-874  Gnaphalium bicolor George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  POM17942  Gnaphalium californicum P. A. Munz 1923-6-14 7113 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  RSA0105840  Gnaphalium luteoalbum Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR147705  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 108665 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA0018993  Gnaphalium palustre Steve Boyd, Gary D. Wallace 2005-7-30 11648 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UCR157950  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 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
  UCR3583  Gnaphalium palustre Frank C. Vasek 1964-6-24 640624- 03 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  CAS-BOT-BC140526  Gnaphalium stramineum Oleg Pryadko 2008-5-2 080 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  RSA629020  Gnaphalium stramineum Scott D. White 1998-6-28 6797 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  CAS-BOT-BC110313  Grayia spinosa S. B. Parish; W. F. Parish 1882-4-1 708 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA430050  Guillenia lasiophylla Robert L. Dressler 1949-3-19 424 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  RSA67365  Guillenia lasiophylla F. W. Peirson 1922-4-9 2918 Riverside Andreas Canyon near Palm Springs, Coachella Valley. 671 Comment
  SBBG95150  Gutierrezia californica S. D. White 1990-10-2 Riverside St Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCD132635  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  UCR107400  Gutierrezia californica B. G. Pitzer 1997-3-23 2988 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
  POM243635  Gutierrezia microcephala E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  JEPS18965  Gutierrezia sarothrae W. L. Jepson 1901-5-17 1232 Riverside mesas e Riverside; Southern California, Riverside to Santa Rosa Peak and Paloma Comment
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Sep 11 2007
  RSA0066630  Harpagonella palmeri Steve Boyd 1986-3-9 1396 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  CAS-BOT-BC305419  Helianthus annuus Wesley Griesel 1960-8-24 215 Riverside Near Hemet 457 Comment
  RSA0012943  Helianthus californicus P. A. Munz 1922-9-5 6362 Riverside Strawberry Valley, north end. 1677 Comment
  POM17800  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy Trail to Santiago Peak 1219 Comment
  SDSU4540  Helianthus gracilentus H. Wedberg 1962-5-23 947 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  UCR100291  Helianthus gracilentus B. G. Pitzer 1997-4-20 3177 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR16101  Heliotropium curassavicum S. Nelson 1974-5-18 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, four mi. west of Murrieta on Tenaja Rd. 610 Comment
  UCR278878  Heliotropium curassavicum Mitch Provance 2012-7-14 712- 18 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  POM248441  Heliotropium curassavicum var. oculatum Philip Crow 1939-7-14 s.n. Riverside Blythe. Comment
  CAS-BOT-BC314980  Hemizonella minima Munz; Street; Williams 1919-5-30 2828 Riverside Dark Canyon, Pine Crest, San Bernardino Mts. Comment
  POM17514  Hemizonia kelloggii P. A. Munz 1923-6-18 7124 Riverside 3 miles N of Lake Elsinore. 412 Comment
  UCR103912  Hemizonia kelloggii B. G. Pitzer 1997-4-11 3122 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
  UCR176181  Hemizonia kelloggii Amber Bruno 2005-6-7 53 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 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
  UCR193122  Hemizonia mohavensis A. C. Sanders, Tim Thomas 2008-6-20 35555 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA715053  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR131799  Hemizonia paniculata Mitch Provance 1998-6-20 702 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  UCR134656  Hemizonia paniculata Mitch Provance 1998-4-10 413 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  POM187878  Hemizonia pungens subsp. laevis E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  UCR20967  Hemizonia pungens subsp. laevis A. C. Sanders, Steve Boyd 1980-5-19 1477 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR68036  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-5-19 1875 Riverside Perris-Aguanga Basin region, Domengoni-Diamond Valley, c. 100 m SE of intersection of Newport Rd. and Los Hermanos Rd. [site now under water of Diamond Valley Reservoir] 518 Comment
  RSA3979  Hesperocallis undulata Carl B. Wolf 1932-4-29 s.n. Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UCR174068  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32618 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  SD136868  Heterocodon rariflorum Steve Boyd, Tim Ross & Dave Bramlet 1993-5-13 7380 B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Wildhorse Canyon. 409 Comment
  SDSU13695  Heteromeles arbutifolia James C. Dice 1987-11-23 754 Riverside Temecula Gorge, north bank of Santa Margarita River, just east of aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 244 Comment
  UCR140567  Heteromeles arbutifolia Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 69 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  RSA0072391  Heteromeles arbutifolia E. W. Lathrop 1965-12-9 6039 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  SDSU4589  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T3S, R3S, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UCR94952  Heterotheca sessiliflora subsp. echioides Scott D. White 1996-8-15 4473 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR146129  Heuchera rubescens Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1447 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  CAS-BOT-BC203349  Hibiscus denudatus Carl B. Wolf 1932-4-27 2991 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  SEINET3004955  Hibiscus denudatus G. Rink 2011-3-10 10379 Riverside Palo Verde Solar Site, southwest of Blythe 100 Comment
  JOTR36085  Hilaria rigida La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3312 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  SD259940  Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley: east side of Arica Muntains, along Rice-Midland Rd., 2.2 mi. south of Rice (Hwy 62). Rice 7.5'Q 242 Comment
  UCD84933  Hilaria rigida Chuck Hughes 2010-3-22 205 Riverside About 9.4 miles south of Highway 62, next to railroad tracks. 245 Comment
  HSC82999  Hoita macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village 488 Comment
  RSA756997  Hoita macrostachya Greg Wright 1971-7-17 306 Riverside Hwy 74, San Juan Creek and Canyon, Santa Ana Mts, Alt 1650ft, Santa Ana River 503 Comment
  UCR121802  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24052 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR126978  Hordeum depressum A. C. Sanders, T. B. Salvato 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
  UCR91436  Hordeum murinum Scott D. White 1995-3-30 2635 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA179512  Hordeum murinum subsp. glaucum E. W. Lathrop 1959-5-17 4534 Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  RSA651805  Hordeum murinum subsp. glaucum L. E. Francois 1966-3-23 32366 -3 Riverside City of Riverside, southeast corner of lysimeters at U.S. Salinity Laboratory prorperty, located at 14th Street & Palm Avenue 289 Comment
  RSA668671  Hordeum murinum subsp. leporinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Tera Cotta. Comment
  RSA594521  Hordeum vulgare var. trifurcatum D. L. Banks, Rashmi Pant 1996-5-13 1026 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, at the entrance of the Dripping Springs Campground; Approximately 10 m E of the Dripping Springs campground entrance. On the S side of Hwy. 79., T8S R1W; NW 1/4, NE 1/4 of sec. 22. 475 Comment
  POM48124  Horkelia clevelandii Mary F. Spencer 1919-6-19 1202 Riverside Idyllwild. 1646 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
  UCR21909  Hornungia procumbens Steve Boyd 1980-5-2 154 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC203388  Horsfordia newberryi Samuel B. Parish 1880-4-10 200 Riverside Toros [Toro or Torres]. Borders of Coldo [Colorado] Desert Comment
  UCR213828  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  POM48854  Hulsea vestita subsp. callicarpha P. A. Munz 1924-5-18 8139 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA720463  Hulsea vestita subsp. callicarpha Naomi Fraga, Bryan Carey 2006-6-1 1688 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  POM361078  Hymenoclea salsola F. R. Fosberg 1932-3-13 8090 Riverside Thousand Palms Canyon. Coachella Valley. Comment
  RSA696759  Hymenoclea salsola J. R. Bruff 1928-4-1 80 Riverside Whitewater Comment
  RSA770447  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4559 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR156478  Hypochaeris glabra Jason L. Hlebakos 2005-5-3 620 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  CAS-BOT-BC219770  Hyptis emoryi L. R. Abrams 1926-3-26 11065 Riverside Palm Springs to Palm Canyon Comment
  JOTR34309  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  POM69728  Hyptis emoryi Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  RSA420153  Hyptis emoryi Anstruther Davidson 1905-1 s.n. Riverside Colorado Desert [? Information on label is illegible] Comment
  RSA5174  Hyptis emoryi Carl B. Wolf 1932-4-26 2984 Riverside Colorado Desert, 8 miles east of Mecca on Blythe road 91 Comment
  UC604959  Hyptis emoryi Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills, up Painted Canyon Comment
  UCD124924  Hyptis emoryi L. S. Rose 1935-12-21 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
  RSA0042540  Hyptis emoryi Samuel Bonsal Parish 1917-4-4 Riverside Near Palm Springs. Comment
  UCD133421  Isocoma acradenia F. R. Lawson 1929-12-12 s.n. Riverside Mecca. Comment
  RSA639130  Isoetes howellii R. F. Thorne, Earl Lathrope, Oscar Clarke, S. Carlquist 1968-4-18 37460 A Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  UC1605510  Isoetes howellii Terry O'Brien May 1995 2130 Riverside ca 5 mi sw of Grand Ave in Murrieta on Clinton Keith Rd Mesa de Colorado; Santa Rosa Plateau Preserve 600 Comment
  SD136983  Isolepis cernua Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7374 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Wildhorse Canyon, from confluence with Los Alamos Canyon, upstream approximately 1 mile. On alkaline spring-fed seepage at first major waterfall area. (IPB 11/07) 410 Comment
  SEINET12007321  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8004 Riverside near Palm Springs Comment
  SEINET3405576 Image available Isomeris arborea var. angustata Lewis S. Rose 1938-12-18 38323 Riverside Palm Springs. 137 Comment
  RSA609952  Iva axillaris subsp. robustior D. E. Bramlet 1996-4-15 2453 Riverside San Jacinto Wildlife Area, SW corner of reserve; adjacent to the existing maintenance road and 105 m N of the Ramona Expressway. 433 Comment
  RSA0011070  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  UCR177507  Juncus bryoides S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UCR20893  Juncus bufonius A. C. Sanders 1978-7-1 772 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  RSA788861  Juncus bufonius var. bufonius G. D. Wallace 2003-7-8 4029 Riverside Hidden Lake. Comment
  UCR139058  Juncus bufonius var. bufonius Julie A. Greene 1993-4-17 1198 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  RSA500554  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3594 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR201684  Juncus bufonius var. occidentalis Scott D. White, Justin M. Wood 2008-5-15 11993 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  SBBG57289  Juncus macrophyllus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  UCR201479  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-6-18 12248 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA191406  Juncus rugulosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6618 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR125764  Juncus textilis A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25659 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCR193287  Juncus tiehmii A. C. Sanders, Tim Thomas 2008-6-20 35547 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  SD187311  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  CAS-BOT-BC85414  Juniperus californica Ivan Johnston 1917-4-4 1104 Riverside Palm Canyon 762 Comment
  CAS-BOT-BC234577  Justicia californica David Dreyer 1967-3-18 s.n. Riverside Unspecified 152 Comment
  CHSC90  Justicia californica V. Holt 1935-4-1 Riverside Near Palm Springs. 304 Comment
  RSA0069674  Justicia californica Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 4 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  RSA11524  Justicia californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well Comment
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May 24 2012
  UC1051454  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UCR130813  Kallstroemia californica G. R. Ballmer 1999-9-25 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wiley's Well Rd between Hwy I-10 and the entrance to Chuckwalla Prison. 183 Comment
  UCR251730  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 120 Comment
  RSA778398  Kallstroemia californica Amber Swanson 2011-10-9 651 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  RSA778521  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-10-8 636 Riverside Large wash off Blythe Rice Rd 270 Comment
  JEPS13634  Keckiella antirrhinoides Peter Kamb 1949-5-8 1407 Riverside road above Banning (Banning-Idyllwild road, foothills of the San Jacinto Mts); San Jacinto Mts. 701 Comment
  RSA543937  Keckiella antirrhinoides Steve D. Boyd 1991-5-10 6215 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCD123739  Keckiella antirrhinoides K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  RSA293257  Keckiella antirrhinoides subsp. antirrhinoides D. C. Michener 1981-5-15 3925 Riverside Palomar Mtns. Dripping Springs just north of the Agua Tibia Wilderness Area and East of the forest service station and campground. 152 Comment
  LA209283  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; 1939-4-8 21 Riverside Santa Ana Mts Comment
  SD258959  Keckiella antirrhinoides var. antirrhinoides Sarah J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  UCSB12232  Keckiella ternata Breedlove, Dennis 1961-8-5 Riverside road cut on Riverside highway 1; 0.2 mi SW of Fuller Mill Creek; San Jacinto Mtns 1645 Comment
  UCR19013  Koeleria macrantha John C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  HSC82716  Krameria bicolor R. F. Thorne, C. W. Tilforth 1980-5-28 54163 Riverside San Bernardino Mtns., E side of Whitewater River at mouth of canyon 1/4-1/2 mi. E of Whitewater Post Office Comment
  CAS-BOT-BC168506  Krameria erecta Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  CLARK-A1703-1201  Krameria grayi Charlotte Stocks 1962-5-21 Riverside San Jacinto Mountains Comment
  RSA735400  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11228 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA786956  Lactuca serriola R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49541 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  UC485370  Laennecia coulteri F. M. Reed 1907-10-6 1971 Riverside Sheep ranch at head of Mockingbird Canyon, at crossing of Elsinore Road, foothills SE of Riverside 426 Comment
Read comments
Oct 6 2017
  RSA525436  Lamarckia aurea Steve Boyd, Dave Bramlet 1990-4-29 4481 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR96718  Lamarckia aurea A. C. Sanders 1997-3-1 19716 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA703743  Langloisia setosissima subsp. setosissima LeRoy Gross 2005-3-3 1565 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  CAS-BOT-BC205629  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  UCR41352  Larrea tridentata N. M. Fellows, A. C. Sanders 1985-5-7 166 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
  UCSB19493  Larrea tridentata Winn, Will 1963-2-23 Riverside 4 miles E of Mecca, Coachella Valley 15 Comment
  UCSB9618  Larrea tridentata Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center, south side of highway 60 & 70 243 Comment
  CAS-BOT-BC338932  Lasthenia californica John Thomas Howell 1930-5-10 4778 Riverside March Field Comment
  HSC85280  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  SD152928  Lasthenia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, along San Mateo Trail from junction 7S04 and 7S01. 395 Comment
  CAS-BOT-BC352708  Lasthenia coronaria Rimo Bacigalupi; Gene Newcomb 1952-4-25 4399 Riverside Along State Hwy 79 close to summit of St. Johns Grade, about 3/4 mile south of Sage 731 Comment
  RSA85450  Lasthenia coronaria J. C. Roos 1952-4-13 5535 Riverside Box Springs Mtns. 396 Comment
  UC517567  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canyon; Colorado Desert 609 Comment
  UC63214  Lasthenia coronaria H. M. Hall 1903-4-1 3832 Riverside vicinity of Riverside 365 Comment
  POM13859  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-29 5078 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA550481  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-5-6 2267 Riverside Some 760m northwest of Lakeview and south of the San Jacinto Wildlife area. The collection site is some 10m west of Davis Rd. amd 2 m north of Marvin Rd. 132 Comment
  SBBG104098  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside western edge of Hemet, along S side of Devonshire Ave, between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (St Hwy 74) 460 Comment
  UCSB32525  Lasthenia gracilis Smith, Owen 1977-4-2 Riverside 1 mile up Ellis Rd., Perris 365 Comment
  RSA50735  Lathyrus vestitus subsp. alefeldii E. C. Jaeger 1925-3-21 s.n. Riverside Temecula Canyon Comment
  RSA90289  Lathyrus vestitus subsp. alefeldii F. W. Peirson 1922-4-28 2946 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  RSA524236  Lathyrus vestitus var. alefeldii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3996 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC15388  Lathyrus vestitus var. alefeldii H. M. Hall Jun 1901 2222 Riverside Onstatt Valley San Jacinto Mountains 1463 Comment
  CAS-BOT-BC379668  Layia platyglossa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23095 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  OBI35674  Layia platyglossa Louis B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley-valley floor near hills N of Lakeview 457 Comment
  RSA716823  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SBBG52762  Layia platyglossa N. C. Cooper 1944-4-22 1160 Riverside Banning 731 Comment
  UCR250908  Layia platyglossa A. C. Sanders 2014-4-18 41024 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCR6685  Layia platyglossa L. B. Ziegler 1966-6-21 049 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
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Jan 8 2013
  RSA236025  Layia platyglossa subsp. platyglossa L. B. Ziegler 1972-4-7 s.n. Riverside Meadow on top of Baldy Mtn N of Hemet Lake, San Jacinto Mts. Comment
  SEINET12872762  Leonotis nepetifolia A. Sanders, Young, Katie 2015-3-23 41433 Riverside Cabazon Comment
  SBBG104094  Lepidium dictyotum A. C. Sanders 1993-4-5 13684 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  UC170137  Lepidium fremontii E. E. Schellenger 1895-12-5 92 Riverside Chuckawalla Bench Colorado Desert Comment
  POM118634  Lepidium lasiocarpum Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  POM126304  Lepidium lasiocarpum T. Craig 1927-4-2 59 Riverside Hidden Springs Canyon. Comment
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA68339  Lepidium lasiocarpum F. W. Peirson 1933-4-13 10636 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  UCR126934  Lepidium lasiocarpum var. lasiocarpum Julie A. Greene 1993-6-11 1346 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  RSA736758  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR95738  Lepidium latipes var. latipes Steve Boyd, D. E. Bramlet 1996-4-19 8632 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at Southwestern edge of Mystic Lake, in the San Jacinto River Floodplain, north of 'Marsh A 433 Comment
  UCR49237  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR193901  Lepidium virginicum var. pubescens A. C. Sanders, Mitch Provance 2008-7-11 35784 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
  POM113965  Lepidium virginicum var. robinsonii Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  UCR97755  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  JEPS2497 Image available Lepidospartum squamatum W. L. Jepson 1914-5-18 6008 Riverside Pinyon Well; ; ; Pinon Well 1219 Comment
  RSA0086969  Lepidospartum squamatum H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Gorgonio Wash, near Snow Creek Canyon. San Bernardino Mts. Comment
  RSA522109  Leptochloa fusca subsp. uninervia Steve Boyd, Timothy S. Ross 1989-8-28 3802 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UC2031379  Leptochloa mucronata Duncan S. Bell with John Anderson, Kim Clark, Debbie George, Jim George, and Ed Howland 2013-9-28 6021 Riverside Chuckawalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air miles SE of Hopkins Well. Comment
  UCR90015  Leptochloa uninervia Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR23126  Leptodactylon jaegeri J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mtns., on limestone rocky outcrop beyond Caramba camp, off the old trail 2439 Comment
  SBBG101798  Leptosiphon parviflorus S. Boyd, L. Arnseth, O. Mistretta 1991-5-6 6149 Riverside S side of Elsinore Peak 1036 Comment
  OBI8134  Leptosyne californica David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12072 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  HSC104179  Lessingia glandulifera var. glandulifera A. C. Sanders, T. B. Salvato 2014-7-2 41157 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  RSA234036  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39346 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  CAS-BOT-BC130874  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mountains Comment
  CAS-BOT-BC130876  Lilium parryi H. M. Hall 1901-6-1 2451 Riverside In the vicinity of Strawberry Valley 2438 Comment
  RSA68710  Lilium parryi Frank W. Peirson 1924-7-27 5003 Riverside South side of Dark Canyon, San Jacinto Mountains. 2499 Comment
  RSA0012195  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  UCR224368  Limonium duriusculum Justin M. Wood 2010-5-19 1843 Riverside Santa Ana Canyon, Santa Ana River, c. 1.4 mi downstream of Prado dam outlet, just northwest of Green River Housing Estate 131 Comment
  UC1929318  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park; Santa Ana River floodplain just below Prado Dam. Comment
  SEINET7073335  Linanthus dianthiflorus 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
  UC217948  Linanthus dianthiflorus P. A. Munz 1922-4-30 5134 Riverside s of Hemet (near Tuscalota Creek) Comment
  UC879931  Linanthus dianthiflorus P. A. Munz and I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley San Jacinto Mts. 1386 Comment
  UC880340  Linanthus dianthiflorus I. W. Clokey and B. C. Templeton 1930-4-9 4678 Riverside n of Banning 900 Comment
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Mar 13 2011
  POM191837  Linanthus jaegeri H. M. Hall 2323 Riverside Tahquitz Peak. Comment
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Oct 29 2006
  UCR193131  Linanthus lemmonii A. C. Sanders, Tim Thomas 2008-6-20 35531 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UC73619  Linanthus liniflorus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR82883  Linanthus liniflorus A. C. Sanders, P. J. MacKay 1994-10-23 15847 Riverside San Bernardino Mtns., Between the trout hatchery and Bonnie Bell 780 Comment
  UCSC000603  Linanthus liniflorus I. J. Condit 2010-6-24 s.n. Riverside Idyllwild, Road to [what was then called] Strawberry Valley - San Jacinto Mts. 914 Comment
  UCR24932  Linanthus liniflorus subsp. pharnaceoides A. C. Sanders 1980-7-18 1685 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
  RSA783377  Linanthus nuttallii J. D. Olmsted 1959-4-17 416 Riverside Hagador Canyon 1/4 mile downstream from old tin mine along trail for water supply southwest of Corona 427 Comment
  UCR251314  Linaria canadensis var. texana T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7421 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  SBBG87907  Linaria maroccana B. Pitzer 1986-2-22 17 Riverside Whitewater Cyn, at Fish Hatchery Comment
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Jan 14 2010
  RSA0010987  Lithophragma affine A. C. Sanders 1998-3-11 21681 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR4190  Lithophragma affine R. H. Sauer 1965-4-28 s.n. Riverside Riverside, Box Springs Mtns, 4.2 mi from beginning of dirt road to radio towers 488 Comment
  RSA65716  Loeflingia squarrosa F. W. Peirson 1922-4-9 4156 Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA122912  Loeseliastrum schottii H. S. Yates 1937-3-23 6398 Riverside 2 miles North of Palm Springs. Comment
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Nov 9 2011
  UCR129334  Loeseliastrum schottii Kimberly Peterson, Micaele Maddison 2001-5-5 501 Riverside Peninsular Range, Pauba Valley north of Pechanga Indian Reservation and east of Temecula, along Temecula Creek 366 Comment
  RSA775384  Logfia filaginoides Duncan S. Bell 2011-4-10 2246 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SEINET251732 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -3 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  UCR232030  Lolium perenne subsp. multiflorum John F. Green 2008-4-22 06- 08 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  UCR174381  Lomatium dasycarpum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32567 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
  SD137926  Lomatium dasycarpum subsp. dasycarpum Darin L. Banks, Steve Boyd 1995-3-15 67 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north face of Agu Tibia Mountain, Dorland Mountain area. 700 Comment
  UC874770  Lomatium mohavense Lee Haines 1937-4-11 Riverside Keys View Little San Bernardino Mountains Comment
  POM13704  Lomatium mohavense subsp. longilobum P. A. Munz, I. M. Johnston 1922-5-21 5501 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  JEPS17570  Lomatium utriculatum W. L. Jepson 1914-5-25 6079 Riverside e. Redlands (<San Timotes> Canyon); San <Timotes> Canyon Comment
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Sep 3 2011
  SBBG95112  Lonicera interrupta S. D. White 1990-7-10 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  SEINET1908449  Lonicera subspicata A. C. Sanders, Mitch Provance 2008-1 35799 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. 1450 Comment
  POM318798  Lonicera subspicata var. denudata Patricia Wilder 1968-7-5 4312 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  UCR20545  Lonicera subspicata var. johnstonii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR164938  Lotus argophyllus T. B. Salvato, John F. Green 2004-5-27 632 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
  UCR194204  Lotus argophyllus Scott D. White 2006-4-27 11302 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  UCR33823  Lotus argophyllus Robert McKernan 1980-4-16 s.n. Riverside Whitewater Canyon, 1.4 mi N of Bonnie Bell Comment
  UCR84621  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UC917860  Lotus argophyllus var. argophyllus Frank W. Gould 1944-4-5 2225 Riverside 17 mi e Temecula Comment
  SEINET10450468  Lotus argophyllus var. ornithopus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20758 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi w, at the lower edge of the coulter pines and near the chaparral. Decomp. Granite. Comment
  RSA249839  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38104 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCSC000920  Lotus crassifolius Peter Kamb 1948-7-3 1147 Riverside San Jacinto Mts., Hall Canyou 1646 Comment
  UCR92162  Lotus hamatus D. L. Banks, Peter L. Morrell 1995-5-4 315 Riverside Agua Tibia Mtns., Cleveland National Forest, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground at base of hills north of Wildhorse Peak. 537 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
  UCR111982  Lotus humistratus A. C. Sanders, T. B. Salvato 2000-5-25 23408 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR181159  Lotus humistratus R. E. Riefner Jr. 2005-8-28 05- 649 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR225620  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-3-28 38827 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  POM230750  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  CDA28902  Lotus scoparius Mike Lahti 2009-4-28 PDR# 1501679 Riverside San Jacinto, 950 North Ramona Boulevard near State Street. 0 Comment
  RSA406895  Lotus scoparius var. brevialatus N. C. Cooper 1944-4-8 1058 Riverside Andreas Canyon. 305 Comment
  UCR21838  Lotus scoparius var. brevialatus 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
  UCR91616  Lotus scoparius var. brevialatus D. L. Banks, Steve Boyd 1995-4-5 0161 Riverside Peninsular Ranges, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
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Sep 5 2010
  CSUSB1249  Lotus strigosus Ronald H. Sauer 1965-4-3 Riverside South side of Big Springs Road about 500 feet from the east end of the street in city of Riverside. 396 Comment
  UC15699  Lotus strigosus H. M. Hall Jun 1901 2059 Riverside vicinity Chalk Hill; San Jacinto Mountains 1584 Comment
  UCR180388  Lotus strigosus Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11272 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
  UCR151101  Lotus strigosus var. hirtellus Scott D. White, Julie Greene 1998-8-1 6970 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA406334  Lotus strigosus var. strigosus E. Crow 1929-2-24 179 Riverside Near Cabazon, NW Colorado Desert Comment
  RSA406378  Lotus tomentellus M. B. Dunkle 1935-3-31 4434 Riverside Pinto Basin. 915 Comment
  RSA50572  Lotus unifoliolatus E. C. Jaeger 1949-7-24 s.n. Riverside Virgin spring, Santa Rosa mountains Comment
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Nov 6 2011
  UCR122571  Ludwigia peploides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5981 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  CHSC39252  Lupinus arizonicus M. O. Dillon; E. Rodriguez 1977-1-30 811 Riverside Ca. 21 mi E of Indio, and 0.5 mi N of Interstate Hwy 10. Near Joshua Tree National Park. Comment
  RSA414835  Lupinus arizonicus Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA581752  Lupinus arizonicus Michael Wall, Lorrae Fuentes 1995-4-13 101 Riverside Coachella Valley, east of Desert Hot Springs along dirt road paralleling Dillon road, 16.7 miles east of Hwy 62 where hills are closest to the road. Comment
  UCR85079  Lupinus arizonicus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-5-12 16038 Riverside Coachella Valley, Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111) -8 Comment
  SEINET10837901  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6471 Riverside Rice valley, 5.1 miles ssw of rice. T2s,r20e,sec.9. Locally common in sandy Gullies. Petals purple, the banner with yellow or red spots 274 Comment
  RSA660564  Lupinus bicolor Lydia Paneri 1982-4-17 35 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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May 31 2008
  UCR166163  Lupinus bicolor John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR180061  Lupinus bicolor Mitch Provance 2005-5-18 9814 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR213306  Lupinus bicolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37699 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  POM184252  Lupinus bicolor subsp. microphyllus Philip A. Munz 1932-3-24 12017 Riverside Corona 366 Comment
  RSA594125  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1996-4-20 0894 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  POM350018  Lupinus bicolor subsp. umbellatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA0013625  Lupinus concinnus LeRoy Gross, Duncan S. Bell 2013-4-30 6032 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
  SBBG35807  Lupinus concinnus D. Myrick 1966-4-2 1337 Riverside Mtn View Rd ca. 5 mi S of Desert Hot Springs Comment
  POM46815  Lupinus concinnus subsp. orcuttii Mary F. Spencer 1920-4-19 1464 Riverside Palm Springs. 122 Comment
  HSC78993  Lupinus concinnus var. concinnus K. Berg 1981-5-7 360 Riverside San Jacinto Mtns., Mellor Creek drainage near Hall Canyon. 1677 Comment
  CAS-BOT-BC216685  Lupinus excubitus subsp. hallii C. B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 670 Comment
  JEPS64932  Lupinus formosus Carl V. Meyer 1929-6-18 773 Riverside Upper Hemet Valley; San Jacinto Mts., Upper Hemet Valley Comment
  POM26888  Lupinus formosus var. formosus Marcus E. Jones 1903-5-11 11610 Riverside Banning. 701 Comment
  RSA552730  Lupinus formosus var. formosus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 b Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UCR17534  Lupinus formosus var. hyacinthinus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA413692  Lupinus hirsutissimus N. C. Cooper 1945-5-5 2249 Riverside San Gorgonio Mountains above Banning 762 Comment
  SDSU12852  Lupinus hirsutissimus Janet M. Knotts, Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998G Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet s.w. on road to switchback, northwest of bend in road. 262 Comment
  UCR107709  Lupinus hirsutissimus A. C. Sanders 1997-3-1 19736 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  SEINET10485439  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2714 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  JEPS65100  Lupinus microcarpus var. densiflorus W. L. Jepson 1901-5-17 1248 Riverside San Jacinto Valley lands at Florida; San Jacinto Valley, Valley Lands at Florida Comment
  UC1333276  Lupinus microcarpus var. densiflorus Charles B. Fiker 1947-4-18 3717 Riverside Highway 71, southern end Temecula area Comment
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Nov 5 2015
  OBI48507  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  RSA0125291  Lupinus sparsiflorus Duncan S. Bell 2016-3-3 8777 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  SBBG3699  Lupinus sparsiflorus H. and M. Dearing 1937-4-10 648 Riverside E of Banning Comment
  UCR102936  Lupinus sparsiflorus George K. Helmkamp 1998-4-3 3091 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR214142  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37723 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
  RSA86973  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1921-3-19 7717 Riverside Whitewater Grade about 2 miles east of Banning Comment
  POM10360  Lupinus truncatus Charlotte M. Wilder 1904-5-14 52 Riverside Wilders Canyon, Jurupa Hills, Comment
  UCR139389  Lycium andersonii P. A. Munz 1949-4-11 12999 Riverside Mojave Desert, eastern end of Joshua Tree National Monument 945 Comment
  UCSB5905  Lycium andersonii Haller, John 1960-4-3 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  POM184748  Lycium cooperi C. Leo Hitchcock 1932-4-8 12217 Riverside 1 mile west of Cottonwood Springs. Comment
  UCR89527  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  JEPS12171  Lycium fremontii W. L. Jepson 1927-4-12 11644 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  RSA699021  Lycium pallidum var. oligospermum J. Russell Bruff 1929-12-29 454 Riverside 2 mi. NW Dos Palmas. Comment
  RSA80303  Lycium torreyi F. W. Peirson 1916-4-1 1087 Riverside Palm Springs region, head of Coachella Valley. Comment
  CSUSB1727  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  SD70892  Lythrum hyssopifolia Helen V. Witham 1969-7-2 174 a Riverside Common near drainages, pools, etc. De Luz Creek crossing, 4 mi. N. of De Luz. 249 Comment
  UCR92321  Lythrum hyssopifolia Scott D. White, S. Ogg 1994-10-17 2473 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  CLARK-A1528-2000  Machaeranthera cognata John C. Roos 1949-4-6 4138 Riverside Orocopia Mountains Comment
  UCR80830  Machaeranthera cognata John Wear, N. Moorhatch 1993-6-11 s.n. Riverside Sonoran (Colorado) Desert, Mecca Hills 61 Comment
  UCR79486  Madia exigua Steve Boyd, T. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  UCSB37909  Madia gracilis Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S R 3E, W1/2 sec. 28 2072 Comment
  UC284860  Malacothamnus densiflorus P. A. Munz 1923-6-14 7099 Riverside trail to Santiago Peak Glen Ivy; Santa Ana Mtns 914 Comment
  CSUSB1445  Malacothamnus fasciculatus Sue Freeman 1966-5-15 Riverside Hillside above small creek by end of Two Trees Road, below reservoir, in Riverside. 335 Comment
  UCR93836  Malacothamnus fasciculatus G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  RSA0087583  Malacothamnus fasciculatus Norman C. Cooper 1944-7-15 1591 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UC63859  Malacothamnus fasciculatus var. fasciculatus H. M. Hall 1897-5-5 528 Riverside Winchester Comment
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Mar 20 2011
  RSA449946  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  UCR84640  Malacothrix glabrata Scott D. White, Steve Ogg 1994-4-21 1986 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CDA28909  Malosma laurina Mike Lahti 2009-4-7 PDR# 1501610 Riverside West side of Temecula. 0 Comment
  CAS-BOT-BC421493  Malva parviflora L. Nye; G. Gust 2005-3-11 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  POM265802  Malvella leprosa J. C. Roos 1937-5-23 2308 Riverside La Sierra, West Riverside County Comment
  UCR19103  Malvella leprosa John C. Roos 1965-6-30 s.n. Riverside Perris-Aguanga Basin region, Perris Comment
  UCR89825  Malvella leprosa Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  JEPS42466  Marah macrocarpa W. G. Wright 1892-1 Riverside Palm Springs Colorado Desert Comment
  SBBG54812  Marah macrocarpa D. Keil, M. McLeod 1979-3-18 12976 Riverside ca. 0.5 mi W of jct with Riverside County rd R-3 along Hwy 79 548 Comment
  VVC191  Marah macrocarpa A. C. Sanders, J. Mac 1997-5-4 20668 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
  CAS-BOT-BC216183  Marina parryi Carl B. Wolf 1932-4-28 s.n. Riverside Eastern Colorado Desert. S. W Edge of Maria Mts. 10 mi. from Blythe on Rice Road 152 Comment
  UCR170285  Marina parryi Chris E. True 2006-2-27 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, Hexie Mountains c. 2.5 miles NW of 'Cholla Gardens' exhibit, mouth of Wilson Canyon at west end of Pinto Basin 822 Comment
  CLARK-A1528-1322  Marrubium vulgare Charles S. Papp 1964-5-3 458 Riverside Riverside Comment
  POM78929  Marsilea vestita I. M. Johnston 1925-7-7 5285 Riverside ca. 1 mile NW of Norco 182 Comment
  RSA0103565  Matelea parvifolia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8540 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  RSA180323  Matricaria matricarioides E. W. Lathrop 1965-4-18 5658 Riverside 10 miles west of Murrieta. Comment
  UCR21984  Matricaria matricarioides Steve Boyd 1980-4-8 103 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA621898  Medicago polymorpha Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2996 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA644632  Medicago polymorpha Scott D. White 1993-3-12 1141 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  UCR158346  Medicago polymorpha A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30078 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
  CSUSB1094  Medicago sativa Shirley Hill 1963-3-31 630331 2 Riverside Corner of 8th and Lincoln in Banning. 100 feet from road. Comment
  POM47674  Medicago sativa Mary F. Spencer 1920-3-17 1489 Riverside Colorado Desert, Alt 197ft below -60 Comment
  JOTR16781  Melica frutescens Hogan, J. 1975-5-20 161 Riverside Joshua Tree National Park. THREE MILES WEST OF PINYON WELL, PUSHAWALLS CANYON 1170 Comment
  POM1219  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canon (West of Elsinore). 366 Comment
  RSA613416  Melica frutescens D. L. Banks 1997-4-5 1675 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
  SEINET273054 Image available Melica frutescens A. C. Sanders 1997-4-3 20145 Riverside Lake Skinner area; near N foot of Black Mtn slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  CAS-BOT-BC281597  Melica imperfecta Peter H. Raven 1958-5-5 12879 Riverside Jumbo Rocks Campground, Joshua Tree National Monument Comment
  RSA699307  Melica imperfecta Keith E. Hoffmaster 1934-4-8 88 Riverside Santa Ana Mts. Comment
  SBBG56866  Melica imperfecta M. N. Ackley 1928-4-1 57 Riverside Snow Crk, Mt San Jacinto 518 Comment
  SEINET8073928 Image available Melica imperfecta Scott D. White 2006-1 11291 Riverside Perris Basin/San Jacinto Mtn Foothills; Santa Rosa Hills, south of Hemet 549 Comment
  UC1930123  Melica imperfecta Scott D. White 2003-3-21 8821 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  SDSU19220  Melilotus albus Kristen Hasenstab, Dave Bailey 2008-8-7 185 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Growing 1-3m from the edge of the river. 215 Comment
  RSA613318  Melilotus albus D. L. Banks 1997-3-1 1383 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA770881  Melilotus indicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4605 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET8721690 Image available Melilotus indicus Jean Coulson 1959-1 s.n. Riverside Riverside; S.W. corner of the back yard at 892 plum. Comment
  UCR241513  Mentzelia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40643 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  JOTR34006  Mentzelia involucrata La Doux, Tasha, M. Harding 2010-4-7 2894 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA656535  Mentzelia involucrata A. C. Sanders 2000-4-25 23358 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  RSA69582  Mentzelia involucrata F. W. Peirson 1922-4-9 753 Riverside Palm Canyon stream near Alkali Canyon, Riverside County Comment
  RSA796270  Mentzelia involucrata Jim Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21073 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  SBBG24103  Mentzelia involucrata A. I. Richardson 1966-3-28 Riverside above Desert Highland Hot Springs Comment
  UC872488  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs Comment
  UCR251916  Mentzelia involucrata Jim Andre 2013-3-27 24817 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  JEPS20787  Mentzelia longiloba Roxana S. Ferris and Rimo Bacigalupi March 19-25, 1958 13231 Riverside 2.4 mi S of Rice, on road to Midland and Blythe. Comment
  RSA264571  Mentzelia longiloba var. longiloba C. W. Tilforth, John Dourley 1977-5-19 1323 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  UCR44210  Mentzelia montana A. C. Sanders 1986-6-1 6552 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  SEINET3004952  Mentzelia multiflora G. Rink 2011-3-9 10376 Riverside Palo Verde Solar Site, southwest of Blythe 91 Comment
  UCR77624  Mesembryanthemum nodiflorum D. E. Bramlet, Steve Boyd, A. C. Sanders, Fred M. Roberts 1992-5-21 2291 Riverside San Jacinto Valley, c. 8 km SW of Hemet, NW of intersection of California Ave. & Stowe Rd. 456 Comment
  UCR121642  Micropus californicus A. C. Sanders, Kent Beaman 2002-5-10 25052 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR225594  Microseris douglasii A. C. Sanders, T. B. Salvato 2011-3-29 38867 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  UCSB60195  Microseris douglasii Bramlet, D. 1992-4-29 Riverside 823 m. west of Gilman Springs Rd., approx. 460 m. S. of Bold Style Ave. 436 Comment
  RSA713571  Microseris douglasii subsp. douglasii R. E. Riefner 2005-4-22 05 -240 Riverside Patton Rd. at Patterson Ave. 452 Comment
  UCR79361  Microseris douglasii subsp. douglasii Steve Boyd 1992-4-18 6896 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  UCR104616  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2299 Riverside Siegal Ranch Road approx. 95 m south of Cajalco Road and 976 m east of the intersection of Cajalco Rd. and Sierra Ave., c. 20 m west of Siegal Ranch Road 451 Comment
  UCR267163  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 15 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  UCR228821  Microseris heterocarpa A. C. Sanders 2011-4-26 39321 Riverside Peninsular Range, Alberhill Mountain, along dirt track parallel to Coal Ave./Nichols Rd. 432 Comment
  UCR281220  Microseris heterocarpa Mitch Provance, Jeremiah George 2017-3-23 317- 41 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  RSA85115  Microseris lindleyi J. C. Roos 1952-4-30 5610 Riverside Between Camp Haan and Riverside 534 Comment
  UCR182357  Microseris lindleyi Mitch Provance 2005-5-17 6556 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
  UCR25777  Microseris lindleyi John C. Roos 1952-4-30 5610 Riverside Peninsular Range, hills between Camp Haan and Riverside 534 Comment
  JOTR30253  Mimulus aurantiacus Leary, C. and Leary, Pat 1979-5-6 3024 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  POM256714  Mimulus aurantiacus var. pubescens W. Pequegnat 1940-6-19 s.n. Riverside Pleasants Pk. (Sugarloaf Pk.) 1220 Comment
  POM8005  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2285 Riverside Butte west of Lakeview. 610 Comment
  UC64230  Mimulus aurantiacus var. pubescens H. M. Hall 1900-5-15 Riverside just se Colton; Reche Canyon 457 Comment
  UCR102825  Mimulus aurantiacus var. pubescens A. C. Sanders 1997-3-26 20105 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UC943863  Mimulus aurantiacus var. puniceus H. E. McMinn 1935-6-23 3939 Riverside s Elsinore Comment
  JEPS86844  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 mi ese I-10 interchange at Desert Center (along dirt road parallel to I-10 on s side, not far beyond (+/- e of) the Desert Center Pumping Station) 270 Comment
  RSA504961  Mimulus bigelovii var. bigelovii D. Charlton 1988-2-18 1158 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  UC2030124  Mimulus bigelovii var. bigelovii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38096 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
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May 11 2019
  RSA47935  Mimulus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  UCR30843  Mimulus breweri A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3871 Riverside San Jacinto Mtns, Black Mountain: Forest Road 4S01, 3.9 mi above Hwy 243 2012 Comment
  HSC85264  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  POM19085  Mimulus clevelandii P. A. Munz 1923-6-14 7062 Riverside Glen Ivy Trail to Santiago Peak 1220 Comment
  UCR174171  Mimulus floribundus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32593 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
  RSA757743  Mimulus fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4351 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UC26932  Mimulus fremontii var. fremontii H. M. Hall 1899-5-20 1134 Riverside Chalk Hill San Jacinto Mountains 1676 Comment
  UCR18441  Mimulus guttatus J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  RSA80472  Mimulus latidens F. W. Peirson 1922-5-19 3043 Riverside Menifee Valley (South of Perris) 427 Comment
  JEPS11354  Mimulus microphyllus W. L. Jepson 1901-5-22 1364 Riverside Palm Canyon, upper part Mt. San Jacinto region 914 Comment
  UCR193982  Mimulus pilosus A. C. Sanders 2008-7-25 35900 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UCR21902  Mimulus pilosus Steve Boyd 1980-5-5 207 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR280968  Mimulus pilosus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 34 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA593800  Minuartia pusilla Jeri Hirshberg 1995-5-19 272 Riverside San Jacinto Mountains, Garner Valley. Comment
  CAS-BOT-BC434684  Mirabilis laevis var. crassifolia John H. Thomas 1957-3-29 6518 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  SDSU12810  Mirabilis laevis var. crassifolia J. Jill Steinberg, Janet Knotts 1998-4-22 49 Riverside North side of foot trail, approximately 8 km north of Santa Margarita (SDSU) Field station, north of Santa Margarita River. 351 Comment
  SDSU18647  Mirabilis laevis var. crassifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 526 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
  RSA0027993  Mirabilis laevis var. crassifolia P. Shirokawa 1998-5-15 30 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  CAS-BOT-BC434818  Mirabilis laevis var. retrorsa S. B. Parish 1916-5-13 10847 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  SEINET3142118  Mirabilis laevis var. retrorsa H. M. Hall 5798 Riverside Colorado Desert; 10 mi west of Coachella 91 Comment
  SEINET3142120  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western base of Colorado desert 360 Comment
  CAS-BOT-BC384084  Mirabilis laevis var. villosa Winfield 1975-4-27 2366 Riverside Snow Creek Rd abt 3 miles from Hiway 111 Comment
  CAS-BOT-BC384086  Mirabilis laevis var. villosa C. L. Hitchcock 1966-3-16 24176 Riverside 1/4 mile w. of Aguanga Comment
  CHSC22351  Mohavea confertiflora Robert A. Schlising 1973-3-31 3074 Riverside Salt Creek Wash, between Orocopia and Chocolate Mountains (ca 5 mi NE of 'crossing 24' on Coachella Canal). Comment
  POM293604  Mohavea confertiflora Lyman D. Benson 1945-3-29 11633 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  POM308421  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3099 Riverside 10 miles east of Indio. Comment
  RSA408765  Mohavea confertiflora M. B. Dunkle 1933-3-4 3049 Riverside Painted Canyon 30 Comment
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May 20 2014
  UCD124029  Mohavea confertiflora C. W. Tilforth 1967-2-12 108 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  UCR50645  Mohavea confertiflora B. A. Prigge 1988-2-21 7846 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  CDA6772  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  CAS-BOT-BC215651  Monardella australis H. M. Hall 1901-7-1 2486 Riverside Forests of Tamarack Valley, San Jacinto Mts. 2804 Comment
  SEINET5333332  Monardella australis subsp. australis G. B. Grant 1904-7-23 795 a-6348 Riverside Mt. San Gorgonio 2286 Comment
  UCR193738  Monardella breweri subsp. lanceolata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35656 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA6029  Monardella lanceolata var. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside Point View near Idyllwild. 1646 Comment
  LA62720  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  UCR237946  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  UC1499872  Monardella nana Elizabeth McClintock 1940-7-21 26 Riverside Santa Rosa Mt. road, 1 mi above canyon and stream Comment
  SEINET13948605 Image available Monardella nana Helen K. Sharsmith 1954-1 4444 Riverside San Jacinto Mountains, on Forest Service road to Black Mountain ca 1 mile from highway. Between Fuller Creek and Idlewild, San Bernardino National Forest. Alt ca 6500 ft 1981 Comment
  POM247675  Monardella nana subsp. arida E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
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Dec 10 2015
  RSA750396  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 26 Riverside 1 mile above canyon and stream, on Santa Rosa Mt. road. Comment
  UC25475 Image available Monardella nana subsp. arida H. M. Hall June 1901 2127 Riverside Coyote Canyon; San Jacinto Mountains, Santa Rosa Mountain; Coyote Canyon, Santa Rosa Mountain 1524 Comment
  CAS-BOT-BC349800  Monoptilon bellioides Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  UCR16702  Monoptilon bellioides D. H. Wilken 1966-3-26 775 Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon near Cabazon 610 Comment
  UCR90317  Monoptilon bellioides F. M. Reed 1920-3-24 4223 Riverside Sonoran (Western Colorado) Desert, Palm Springs region 152 Comment
  RSA336205  Montia fontana R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51991 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR260592  Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41552 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  UCR174253  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2006-6-2 33070 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR198195  Muhlenbergia microsperma Michael Honer, L. Hulse 2004-4-3 1921 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  RSA337843  Muhlenbergia porteri R. F. Thorne 1979-8-22 53575 Riverside Joshua Tree National Monument: Hidden Valley; Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  CLARK-A1528-4762  Muhlenbergia richardsonis Alfred R. Roos 1937-8-19 10679 Riverside San Jacinto Mountains Comment
  RSA591728  Muhlenbergia rigens John F. Emmel 1983-9-17 891 Riverside Idyllwild; along Strawberry Creek, just W of Camp Emerson Comment
  UCR2566  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mtns., Herkey Creek camp 1341 Comment
  UCR84604  Muilla maritima Scott D. White 1994-4-21 1953 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 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
  RSA421102  Nama demissa M. B. Dunkle 1933-3-5 3074 Riverside Palm Springs. Colorado Desert. 152 Comment
  RSA721839  Nama demissa J. R. Bruff 1928-4-2 100 Riverside Canyon 1 mile west of Morengo Comment
  UCR279580  Nama demissa A. C. Sanders, Jim Malusa 2017-3-28 43151 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
  SD143517  Nama demissa var. demissa W. L. Halvorson 1977-3-8 77 85 Riverside 1.0 mile south of the south entrance to Joshua Tree National Monument. Comment
  RSA4889  Nama demissa var. deserti Carl B. Wolf 1932-4-27 3005 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  NY1082244  Nama hispidum var. spathulatum N. H. Holmgren 1973-3-21 6451 Riverside Blythe-Rice road, 17 airline miles north-northwest of Blythe 259 Comment
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Mar 3 2013
  RSA192023  Navarretia atractyloides E. W. Lathrop 1960-6-6 4836 Riverside 14 miles west of Murrieta. Comment
  POM157942  Navarretia fossalis P. A. Munz 1927-5-20 10803 Riverside Murrieta Hot Springs. Comment
  RSA709865  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Santa Ana Mountains: Rainbow area; mountain foothills west of I-15 Freeway and immediately N of San Diego County line. 335 Comment
  CLARK-A1045-156  Navarretia prostrata George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UCR31668  Nemacladus glanduliferus John C. Roos 1948-5-15 3851 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  UCSC001300  Nemacladus ramosissimus Peter Kamb 1948-4-11 871 Riverside Aqueduct Road east of Garnet Aqueduct Road, Garnet - Coachella Valley 30 Comment
  CAS-BOT-BC4007  Nemacladus tenuis var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio mt., Colorado Desert 150 Comment
  RSA0123277  Nemacladus tenuis var. tenuis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8990 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
  JEPS1495  Nemophila menziesii Marjorie D. Clary 1933-5-7 2671 Riverside about ten mi s Kenworthy (Santa Rosa Mountains, Colorado Desert); Colorado Desert, Santa Rosa Mountains, s of Kenworthy Comment
  JEPS1915  Nemophila menziesii W. L. Jepson May 17 1901-June 1, 1901 1310 Riverside Strawberry Valley Mt. San Jacinto, Strawberry Valley Comment
  POM3491  Nemophila menziesii H. M. Hall 1899-05 s.n. Riverside San Jacinto Mtns. 1601 Comment
  RSA770697  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4803 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  CAS-BOT-BC349864  Nicolletia occidentalis Philip A. Munz 1953-5-31 18517 Riverside Juniper Flats, Joshua Tree National Monument 1356 Comment
  UCR35267  Nicotiana attenuata L. B. Ziegler 1973-8-15 517 Riverside Peninsular Range; San Jacinto Mtns., Hemet (Garner) Valley 1402 Comment
  POM13032  Nicotiana clevelandii Philip A. Munz, D. D. Keck 1922-4-13 4921 Riverside Shavers Well, near Mecca. 91 Comment
  UCR163341  Nicotiana glauca T. B. Salvato, Kelly Volansky 2003-3-27 129 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA426710  Nicotiana obtusifolia Robert Gustafson 1981-4-7 2153 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UC68728  Nicotiana obtusifolia H. M. Hall 1905-4-21 5837 Riverside near Salton; Colorado Desert -30 Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  UCR116958  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato 2001-5-3 24111 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SEINET10389838  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  JEPS62090  Nolina parryi Carl V. Meyer 1929-6-18 781 Riverside s Thomas Mt.; San Jacinto Mts., Hamilton grade 1219 Comment
  SEINET3288972 Image available Nolina parryi Loraine Yeatts, Dick Yeatts 2002-4-15 4767 Riverside Comment
  CAS-BOT-BC71163  Notholaena californica Ivan Johnston 1917-4-4 1052 Riverside Palm Canyon 304 Comment
  POM259122B  Notholaena californica subsp. californica A. Lefebure 1941-03 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  CAS-BOT-BC171494  Oenothera californica Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC171496  Oenothera californica C. W. Tilforth 1976-5-22 1208 Riverside Common in vineyards and along Milliken Ave. in n.w. Riverside county. Comment
  POM355283  Oenothera californica D. A. Young 1969-3-28 P- 330 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  RSA701118  Oenothera californica subsp. californica M. Wall 1996-7-6 177 Riverside San jacinto Valley, SE of Main St, 150 yds W of Ramona Expressway. Associated plants include Abronia villosa, Avena Fatua, Bromus, and Croton californica. 488 Comment
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Apr 30 2019
  UC422969  Oenothera californica subsp. californica F. M. Reed 1905-10-2 260 Riverside 547 Chicago Avenue Riverside Comment
  UCR249665  Oenothera deltoides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7302 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UC1241196  Oenothera primiveris subsp. bufonis Peter H. Raven 1958-2-16 11624 Riverside 8.1 mi north of Midland, ca 5 miles south of Highway 62. Comment
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Jun 9 2012
  SDSU13604  Olea europaea W. Miller, C. Mosse 1972-7-20 Riverside Along northern road, southwest of Shwanigan Ranch. Comment
  RSA395358  Olea europaea Steve Boyd 1986-4-22 1739 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  CAS-BOT-BC427465  Oligomeris linifolia E. A. McGregor 1917-3-19 799 Riverside Colorado Desert. Indio Sands near U. S. Date Garden Comment
  RSA0042168  Oligomeris linifolia Duncan S. Bell, Evan Meyer 2014-4-2 6518 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA4934  Oligomeris linifolia Carl B. Wolf 1932-4-27 3063 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UCR167393  Oligomeris linifolia 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
  UCR51933  Oligomeris linifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2199 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  POM122388  Olneya tesota Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  RSA628617  Olneya tesota L. C. Wheeler 1954-5-22 7057 Riverside Box Canyon. [county unspecified] Comment
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Sep 17 2007
  RSA654882  Olneya tesota T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 49 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  RSA799666  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 238 Comment
  UCD134655  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga Region: Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mile south of Van Buren Blvd. 465 Comment
  UCR112488  Opuntia microdasys A. C. Sanders, T. B. Salvato 2000-5-30 23438 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA0097156  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5 km north of central Banning, 39 km NW of central Palm Springs. 841 Comment
  CAS-BOT-BC254291  Orcuttia californica R. F. Thorne; E. Lathrop 1969-5-19 37971 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, small vernal marsh NW of large vernal marsh 624 Comment
  SD90415  Orcuttia californica R. F. Thorne, E. Lathrop 1969-5-19 37971 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, small vernal marsh NW of large vernal marsh 625 Comment
  UCR60724  Orcuttia californica R. F. Thorne 1973-5-23 43859 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  JEPS70887  Orobanche cooperi L. R. Heckard 1973-4-24 3320 Riverside 2.5 mi e Joshua Tree National Monument entrance (s tip of Eagle Mountains); Eagle Mountains 533 Comment
  UC1520678  Orobanche cooperi Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-22 6467 Riverside 7 mi ssw of Rice (Rice Valley); Rice Valley 274 Comment
  UC887969  Orobanche cooperi C. L. Hitchcock 1940-3-29 5845 Riverside 12 mi e of Indio Comment
  SEINET8853686 Image available Orobanche fasciculata Norman C. Cooper 1944-1 1406 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA0103622  Orobanche parishii subsp. parishii Duncan S. Bell, Sarah DeGroot 2015-9-21 8647 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, at Portrero Spring. 1074 Comment
  RSA402104  Orthocarpus purpurascens Bonnie C. Templeton 1930-4-9 1070 Riverside Moreno Grade, S.W. of Beaumont 700 Comment
Read comments
Mar 20 2011
  SD136935  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Verdugo Trail from Tenaja Trail to Bluewater Trail, upper Bluewater Cyn., S of Sitton Peak Comment
  POM11906  Paeonia californica P. A. Munz 1922-4-29 5112 Riverside E of Aguanga, Riverside Comment
  RSA434258  Paeonia californica N. C. Cooper 1947-4-5 2025 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM363751  Palafoxia arida var. arida Elbert Benjamine 1929-4-7 151 Riverside Palm Springs. Comment
  RSA289866  Palafoxia arida var. arida B. A. Prigge 1980-12-15 4106 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  UC583283  Palafoxia arida var. arida Lewis S. Rose 1936-1-1 36003 Riverside L. A. Aqueduct Road 15 mi n Indio; Colorado Desert 304 Comment
  POM230179  Palafoxia linearis I. W. Clokey 1935-4-17 6935 Riverside Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  SBBG89156  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside across from street from 1012 Spruce St., Riverside 304 Comment
  VVC1448  Panicum capillare A. C. Sanders, J. Mac 1996-11-23 19662 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UCR260955  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6018 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  UCD90128  Panicum urvilleanum W. A. Williams 1958-1-28 s.n. Riverside 1 mile S of Whitewater. Comment
  CLARK-A1528-689  Papaver californicum Grace Sprague 1968-5-3 Riverside Twin Pines Comment
  CAS-BOT-BC274191  Pappostipa speciosa Peter H. Raven 1958-5-6 12927 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert, San Jacinto Mountains Comment
  UCR67370  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3965 B Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  UCSB18152  Parkinsonia florida Easley, Bill 1964-5-10 Riverside State Highway 71, 4.1 miles S of Palm Desert 304 Comment
  UCR113937  Paspalum distichum Mitch Provance 2000-6-24 2066 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA781910  Pectis papposa Duncan S. Bell 2010-5-1 898 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR265207  Pectis papposa Ken Halama 2015-10-9 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris, eastern edge of the Gavilan Hills 542 Comment
  SBBG87400  Pectocarya heterocarpa A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR22070  Pectocarya linearis Steve Boyd 1980-4-27 143 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  JOTR35926  Pectocarya penicillata De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  POM368778  Pectocarya penicillata Elbert Benjamine 1929-5-18 s.n. Riverside Mt San Jacinto. 762 Comment
  UC218244  Pectocarya penicillata P. A. Munz and I. M. Johnston 1922-5-19 5422 Riverside San Jacinto Mountains, Keen Camp 1524 Comment
  RSA278964  Pectocarya peninsularis B. A. Prigge, L. Martinez 1978-3-23 2411 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  SEINET10456238  Pectocarya platycarpa David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3723 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR116618  Pectocarya recurvata A. C. Sanders 2001-3-20 23834 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
  JEPS19070  Pellaea andromedifolia Marjorie D. Clary 1932-3-20 1626 Riverside nw of Garnet (Mission Creek); Colorado Desert 609 Comment
  UCR26976  Pellaea andromedifolia E. W. Lathrop 1966-5-8 6462 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  RSA711766  Pellaea mucronata A. C. Sanders, Mike Misenhelter 2005-3-23 29283 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR148849  Pellaea mucronata Chet McGaugh 2005-1-6 s.n. Riverside Peninsular Range, east of Lake Skinner, between Calle Jojoba and Cielita, SE of Tucalota Hills and of Benton Rd. 549 Comment
  UCR178509  Pellaea mucronata R. G. Swinney 1967-3-5 0046 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA0051614  Pellaea mucronata Bruce Haines 1962-4-16 124 -A Riverside 3/4 miles East of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument. 1295 Comment
  IRVC3155  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-27 SJ 5 Riverside Mountain Center; Hemet Highway [74]; slope ESE 20 degrees; slightly concave. Peninsular Ranges, San Jacinto Mountains 1448 Comment
  RSA1329  Penstemon centranthifolius B. D. Stark 1930-5-4 1536 Riverside Dark Canyon. Comment
  RSA220997  Penstemon centranthifolius E. W. Lathrop 1966-4-27 6211 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  RSA97014  Penstemon centranthifolius R. M. Straw 1953-6-4 430 Riverside Pinyon Flat on Palms to Pines Hwy. Comment
  LA209529  Penstemon clevelandii Elizabeth Levien; 1949-5-22 sn Riverside Santa Rosa Mountains, Pines to Palms highway near Pinon Flats Comment
  UC54999 Image available Penstemon clevelandii H. M. Hall 1901-6-1 2149 Riverside along borders Colorado Desert; eastern base San Jacinto Mountains; near Van Deventers, San Jacinto Mts. Comment
  RSA78133  Penstemon clevelandii subsp. connatus Verne Grant, Grant 1953-5-15 18459 Riverside A couple of miles east of Pinyon Flat Public Camp, along Hwy 74 1159 Comment
  UCR16011  Penstemon clevelandii subsp. mohavensis Susan McIver 1962-4-22 73 Riverside Mojave Desert, Joshua Tree National Monument, rocky slopes along highway Calif. '15 1067 Comment
  NY583965  Penstemon clevelandii var. connatus H. M. Hall 1899-5-24 1160 Riverside Van de Venter's; San Jacinto Mountains 1356.4 Comment
  UC103078  Penstemon clevelandii var. connatus S. B. and W. F. Parish Apr 1882 1216 Riverside Agua Caliente Comment
  POM15011  Penstemon grinnellii Mary F. Spencer 1922-7-2 1670 Riverside FernValley. Idyllwild. 1829 Comment
  JOTR16854  Penstemon incertus Walters, Jim 1967-6-4 s.n. Riverside Joshua Tree National Park. 1/2 MILE WEST OF HIDDEN VALLEY CAMPGROUND 1219 Comment
  POM259183  Penstemon labrosus Philip A. Munz 1938-8-14 15389 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  UCD124326  Penstemon spectabilis R. N. Raynor 1938-6-20 s.n. Riverside southwest side of San Jancinto Mountain. Comment
  UCR117342  Penstemon spectabilis var. spectabilis Mitch Provance 1998-3-20 248 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  POM187834  Penstemon thurberi E. C. Jaeger 1931-9-18 s.n. Riverside Near Lost Horse Mine Comment
  RSA0070919  Pentagramma maxonii L. S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  CAS-BOT-BC77487  Peritoma arborea var. angustata S. B. Parish 1916-5-13 10858 Riverside Cottonwood Spring, Colorado Desert Comment
  CAS-BOT-BC355994  Perityle emoryi Ivan Johnston 1917-4-4 1071 Riverside Colorado Desert. Palm Canyon Comment
  CAS-BOT-BC355996  Perityle emoryi L. R. Abrams 1926-3-26 11012 Riverside Palm Springs Comment
  CAS-BOT-BC356000  Perityle emoryi Lewis S. Rose 1935-12-23 35687 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 13 mi. S. of Cathedral City 609 Comment
  JEPS34965  Perityle emoryi Lawrence Saylor 1935-3-24 214 Riverside Pinto Basin Comment
  UCR112105  Perityle emoryi A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23357 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR74398  Perityle emoryi Theo Glenn 1991-4-30 91- 63 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCSB7390  Perityle emoryi Gunnerson, Robert 1953-3-21 Riverside 9 mi. east of Indio Comment
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  SD114138  Persicaria lapathifolia Darley F. Howe 1945-9-21 1365 Riverside Ditch by road, Arlington Comment
  RSA0107431  Petalonyx thurberi Duncan S. Bell 2009-8-15 423 Riverside West side of the Arica Mountains. 323 Comment
  RSA445160  Petalonyx thurberi G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert. Comment
  LA103809  Petalonyx thurberi subsp. thurberi Robert F. Thorne; W. A. Tilforth 1980-5-28 54191 Riverside San Bernardino Mountains, Whitewater ridge above old bridge Comment
  SD229205  Petalonyx thurberi subsp. thurberi Dick Schwenkmeyer 2012-11-6 860 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SEINET13945011 Image available Petroselinum crispum A. C. Sanders 1922-1 25059 Riverside San Bernardino/Santa Ana River Valley Region: Riverside cultivated plants in yard at 422 Campus View Dr. Riverside East 7.5' Q.: 33 deg. 58.5' N, 117 deg. 19' W. T2S R4W SEC 20, S/2. Alt 341 m/1120 ft. 341 Comment
  SBBG101693  Petunia parviflora S. Boyd, T. Ross 1991-6-14 6355 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence W/Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR214877  Petunia parviflora A. C. Sanders 2010-3-23 37554 Riverside Sonoran (Colorado) Desert, Blythe, grounds of Capital Suites Hotel, 545 East Hobson Way 83 Comment
  LA203891  Peucephyllum schottii Martha Hilend Kinsey; 1935-3-24 sn Riverside Painted Canyon Comment
  RSA776236  Phacelia Duncan S. Bell 2010-3-20 606 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA425999  Phacelia ambigua Robert Gustafson 1982-5-19 2562 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA678225  Phacelia ambigua Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1094 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  RSA49392  Phacelia campanularia subsp. vasiformis P. A. Munz 1949-4-11 13021 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  UCR244297  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20875 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR230929  Phacelia cicutaria var. hispida T. B. Salvato, Richard Camacho 2011-6-12 5484 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR123602  Phacelia ciliata D. E. Bramlet 2000-5-9 3024 Riverside San Jacinto River; the site is 457m south of San Jacinto Avenue and 1.1 km north of Ellis Ave and just west of the river Comment
  UCR18538  Phacelia ciliata O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  CLARK-A1528-2998  Phacelia crenulata John C. Roos 1949-3-5 4090 Riverside Orocopia Mountains 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
  UC126006  Phacelia crenulata var. ambigua Dr. A. Davidson May 1893 Riverside Agua Caliente Comment
  UCR166155  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 565 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA426209  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA703475  Phacelia distans LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1419 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC702030  Phacelia distans Frank W. Gould 1943-4-18 2147 Riverside near Banning (on the Idlewild cutoff) Comment
  UCR154386  Phacelia distans A. C. Sanders, Mike Misenhelter 2005-6-15 30975 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
  RSA718831  Phacelia distans Michael Honer, L. Hulse 2004-4-3 1920 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  RSA426106  Phacelia douglasii N. C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 915 Comment
  POM159824  Phacelia fremontii E. C. Jaeger 1926-3-26 s.n. Riverside Quail Springs, Little San Bernardino Mts Comment
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Jun 30 2012
  RSA180420  Phacelia imbricata subsp. patula E. W. Lathrop 1965-5-23 5769 Riverside 9 miles W of Murrieta. 610 Comment
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Oct 30 2008
  CLARK-A1703-1209  Phacelia minor Charles S. Papp 1965-4-15 806 Riverside Box Springs Mountains Comment
  POM305650  Phacelia minor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1016 Riverside Aguanga. Comment
  RSA428088  Phacelia minor N. C. Cooper 1944-6-24 2020 Riverside Elsinore Mtns, Riverside county. Alt 3500ft. 1067 Comment
  RSA509553  Phacelia minor Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA550042  Phacelia minor Walter Wisura, A. King, L. Newcomb 1992-4-10 4665 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  RSA770852  Phacelia minor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4936 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
  UCR250876  Phacelia minor S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1041 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR41359  Phacelia minor N. M. Fellows 1985-3-16 108 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  JEPS1166  Phacelia mutabilis W. L. Jepson 1903-8-8 2309 Riverside Tauquitz Valley San Jacinto Mts. 2438 Comment
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Jul 6 2010
  RSA709970  Phacelia neglecta Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4587 -b Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  LA205631  Phacelia parishii Philip A. Munz; 1937-5-29 15101 Riverside Shumway, edge of Pinyon Flats, San Rosa Mts 1219 Comment
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Mar 11 2014
  RSA78725  Phacelia pedicellata P. A. Munz 1952-4-15 17342 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  SD178221  Phacelia ramosissima John Wear 1998-7-8 Riverside San Jacinto Mtns.: Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Moutain. 1372 Comment
  UCR181345  Phacelia ramosissima Mitch Provance 2003-7-7 6527 Riverside San Bernardino Valley, S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just south of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, c. 0.3 miles ENE of peak 1437 317 Comment
  UCR98690  Phacelia ramosissima S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UC666584  Phacelia ramosissima var. latifolia Harlan Lewis and Carl Epling 1942-5-2 1600 Riverside near Palm Springs; Andreas Canyon Comment
  RSA674591  Phalaris lemmonii Scott D. White 2000-5-5 7775 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  SD114076  Philadelphus microphyllus var. pumilus Darley F. Howe 1973-7-28 4885 Riverside Santa Rosa Mts. 2438 Comment
  UCR2659  Phleum alpinum F. M. Reed 1908-7-14 2474 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  UC56539  Phlox austromontana H. M. Hall May 17 1901-Jun 1 1901 1912 Riverside Santa Rosa Peak Comment
  JEPS71101  Phlox gracilis W. L. Jepson 1901-5-19 1308 a Riverside Strawberry Valley Mt. San Jacinto Comment
  JOTR35431A  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  UCR281528  Pholistoma auritum Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 91 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  OBI38805  Phoradendron californicum A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  RSA777785  Phoradendron californicum Jim Andre 2011-2-9 15909 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SBBG113411  Phoradendron leucarpum subsp. tomentosum D. Wilken with E. Painter 2000-11-4 15868 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  POM50811  Physalis crassifolia E. C. Jaeger 1925-1-12 s.n. Riverside Painted Canon, Colorado Desert. Comment
  UC1329897  Physalis crassifolia James E. Cole 1941-4-13 593 Riverside Summit of Pinto Pass; Joshua Tree National Monument Comment
  UC724160  Physalis crassifolia Aven and Ruth Nelson 1939-3-29 3327 Riverside near Hidden Spring (a few mi from Mecca) Comment
  UCR26585  Physalis crassifolia W. C. Anderson 1968-4-22 680422 10 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  UCR4493  Physalis crassifolia Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  UCSB44693  Physalis crassifolia Hibbard, Doug 1977-5-14 Riverside Off east side of Hwy 74, 3.3 miles from its intersection with Hwy 111 280 Comment
  RSA278977  Physalis crassifolia var. crassifolia Barry A. Prigge, L. Martinez 1978-3-23 2429 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR91040  Physalis lancifolia George K. Helmkamp 1996-1-18 96-8- 01 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  UCR116044  Physalis philadelphica Nathan Moorhatch 1999-10-28 s.n. Riverside San Bernardino Valley, San Sevaine Flood Control Channel, south side of San Sevaine Way, town of Glen Avon, c. 0.25 mi (air) due north of Van Buren Blvd. 232 Comment
  JOTR32859  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
  RSA769823  Pinus coulteri E. W. Lathrop 1968-5-22 6933 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  POM46847  Pinus edulis Mary F. Spencer 1924-5-15 2383 Riverside Pipe Creek pr. [near] Kenworthy Comment
  RSA5898  Pinus flexilis C. B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along the trail above Round Valley. 2927 Comment
  CSUSB922  Pinus monophylla Stanley C. Warner 1956-5-20 s.n. Riverside Palms to Pines Highway, Pinyon Flats Camp Comment
  IRVC2817  Pinus monophylla R. H. Whittaker, W. A. Niering 1963-5-31 SJ 93 Riverside "Palm Canyon Road", off Palm to Pines Hwy. Peninsular Ranges, Santa Rosa Mountains 1220 Comment
  POM310616  Pinus monophylla G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  UCR95717  Piptatherum miliaceum D. L. Banks, V. W. Steinmann 1996-4-20 0896 Riverside Peninsular Range; Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 537 Comment
  RSA717338  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 -B Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD236235  Plagiobothrys canescens John F. Green 2006-4-18 Riverside NE of Murrieta, just S of Los Alamos Road (Clinton Keath Rd) on E and W sides of Liberty Road border between City of Murrietta and unincorporated French Valley (Murrieta 7.5'Q) 415 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
  UCR241772  Plagiobothrys canescens A. C. Sanders 2013-4-9 40784 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., west of Trumble Rd., SE of Perris 436 Comment
  UCR150243  Plagiobothrys collinus John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR152648  Plagiobothrys collinus A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR256897  Plagiobothrys collinus var. ursinus LeRoy Gross, Grace Cho 2013-4-9 5996 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
  UCR266323  Plagiobothrys leptocladus D. E. Bramlet 1991-4-29 2097 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road, north of Florida 457 Comment
  CLARK-A1045-64  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  UC69223  Plagiobothrys nothofulvus F. M. Reed 1905-5-7 747 Riverside near summit Pigeon Pass (vicinity Riverside) Comment
  UCR136274  Plagiobothrys nothofulvus A. C. Sanders 2004-4-20 27561 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
  RSA85110  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 Comment
  UCR121795  Plantago elongata A. C. Sanders, Carolyn Washburn 2001-4-17 24037 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  SDSU13316  Plantago erecta Shawn Johnston, Calif. Taxonomy Class spring 2000 2000-4-1 9 Riverside Santa Margarita Ecological Reserve North end. Comment
  UC56869  Plantago erecta H. M. Hall Apr 1902 2895 Riverside vicinity Sage 609 Comment
  JOTR31890  Plantago ovata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2140 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash Comment
  RSA776694  Plantago ovata Duncan S. Bell, Amanda Turek 2010-4-10 789 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA401953B  Plantago ovata var. fastigiata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA555334  Plantago ovata var. fastigiata A. C. Sanders, E. J. Lawlor 1992-4-4 12087 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA704545  Plantago ovata var. fastigiata LeRoy Gross 2005-3-3 1577 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA773665  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-20 1028 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UC527330  Platanus racemosa B. D. Stark Nov. 1933 5555 Riverside Andreas Canyon San Jacinto Mts. (desrt side of mts.) Comment
  CAS-BOT-BC91883  Platystemon californicus Lyman Benson 1932-3-26 3162 Riverside 3 miles north of Temecula. 457 Comment
  UC1979539  Platystemon californicus Darin L. Banks, Peter Morrell 1995-5-4 311 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  UCR172220  Platystemon californicus 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
  POM1025  Pleuraphis rigida I. M. Johnston s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA129652  Pleuraphis rigida H. S. Yates 1937-3-23 6424 Riverside 5 miles NW of Edon 49 Comment
  RSA782134  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-18 129 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  UC1979868  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 803 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Chuckwalla Mountas, North side, Alligator ACEC off I-10, south of Desert Center, in hills above Granite Mine. Comment
  JOTR31907  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  JEPS40438  Pluchea sericea W. L. Jepson 1901-5-19 1273 Riverside San Jacinto River Southern California, San Jacinto River Comment
  UC154813  Pluchea sericea Rensselaer J. Smith 331 Riverside Andreas canyon Andreas 457 Comment
  RSA741079  Poa pratensis Scott D. White, Justin M. Wood 2008-6-16 12106 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC39503  Poa pratensis subsp. pratensis H. M. Hall 1901-7 2482 Riverside Tamarack Valley; San Jacinto Mts 2804 Comment
  POM294734  Poa secunda Lyman Benson 1946-4-15 12014 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  RSA0119897  Poa secunda Duncan S. Bell, Thomas Stoughton 2016-4-12 9227 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  UCR20815  Poa secunda A. C. Sanders, Steve Boyd 1980-4-17 1340 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  UCR29264  Poa secunda A. C. Sanders, K. Berg 1980-5-1 1360 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  POM179207  Polygala acanthoclada A. M. Alexander, Loiuse Kellogg 1941-5-18 2195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
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Oct 9 2010
  RSA552688  Polygala cornuta var. fishiae Steve Boyd, Tim S. Ross, Olrando Mistretta 1992-2-26 6696 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR59845  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  UCR180059  Polygonum aviculare Mitch Provance 2005-5-18 9816 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UC219083  Polygonum bistortoides P. A. Munz 1922-7-6 6001 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  UCR92093  Polygonum lapathifolium Scott D. White, S. Ogg 1994-10-17 2461 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR92304  Polygonum lapathifolium Scott D. White, S. Ogg 1994-10-17 2481 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  CAS-BOT-BC102608  Populus fremontii Ira L. Wiggins 1937-2-19 8573 Riverside Roadside 2.5 miles north of Ripley Comment
  POM360771  Populus fremontii Howard Mullins 1931-4-6 s.n. Riverside Coachella Valley. Comment
  POM8771  Populus fremontii Philip A. Munz, R. D. Harwood 1920-2-28 3261 Riverside 2 mi. southeast of Corona 305 Comment
  RSA771107  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4727 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UC484086  Populus fremontii subsp. fremontii C. B. Wolf 1931-3-13 1882 Riverside Colorado River bottom at Blythe Bridge; Colorado River bottom at Blythe Bridge 91 Comment
  UC846015  Populus fremontii subsp. fremontii Ivan Johnston 1917-4-4 1092 Riverside Palm Canyn Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  JOTR37431  Porophyllum gracile Hodges, Stephen R., T. Hender 2015-12-29 553 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  UC213651  Potamogeton crispus S. B. Parish 1919-4-19 19248 Riverside Santa Ana River near Corona; Santa Ana River Comment
  CAS-BOT-BC267206  Potamogeton foliosus Lathrop; Thorne 1967-9-26 6622 Riverside 6 miles NW of Murrieta Comment
  UCR109644  Potamogeton pusillus T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  UCR212973  Potamogeton pusillus Justin M. Wood, Brandy N. Wood 2009-7-4 1045 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  CDA39093  Prosopis glandulosa Mike Lahti 2013-5-2 PDR# 331 P06141962 Riverside Aguanga; Hwy. 79 south and Hwy. 371. 0 Comment
  UC1129888  Prosopis glandulosa var. torreyana H. S. Yates 1937-6-28 6728 Riverside Palm Springs 137 Comment
  UCSB7194  Prosopis glandulosa var. torreyana Krogen, Roger 1957-1 Riverside Canyon bottom 5 mi. E of Mecca on Hwy. 195 in Box Canyon Wash Comment
  UC64519  Prunus fasciculata H. M. Hall and W. L. Jepson May 17, 1901-June 1, 1901 1830 Riverside about 10 mi n of Van Deventer (below the old mine, e base of San Jacinto Mountain, Journey from Riverside to Santa Rosa Peak and Palomar); San Jacinto Mountain 609 Comment
  UCR41539  Prunus fasciculata A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6058 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  CAS-BOT-BC158288  Prunus fasciculata var. fasciculata Reid Moran 1941-5-4 839 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  RSA212925  Prunus fremontii L. B. Ziegler 1969-4-6 s.n. Riverside Pinyon Flats southeast of San Jacinto Mts. 1524 Comment
  SDSU9171  Prunus fremontii Marjorie Collier 1951-3-25 Riverside Palm Canyon, about 5 miles S of Palm Springs. Comment
  RSA586932  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter Morrell 1995-5-4 298 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 Woodchuck Trail. 549 Comment
  RSA613148  Prunus ilicifolia subsp. ilicifolia D. L. Banks 1997-4-5 1656 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  CLARK-A1528-4851  Psathyrotes ramosissima John C. Roos 1947-2-1 3227 Riverside Painted Canyon Comment
  JOTR01283  Psathyrotes ramosissima Cole, James E. 1941-4-13 580 Riverside Joshua Tree National Park. PINTO PASS; 0.5 MILES NORTH OF MEEK'S CABIN 609 Comment
  SD234306  Pseudognaphalium beneolens R. E. Riefner Jr. 2006-9-14 06 432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 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
  SD9078  Pseudognaphalium californicum Daniel Cleveland 1881-5-10 Riverside Temecula Comment
  SFV3941  Pseudognaphalium californicum P. G. Kilburn 1958-5-17 814 Riverside 3 miles south of Banning. 305 Comment
  UCR280937  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 13 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  JOTR30280  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  RSA674934  Pseudognaphalium stramineum Scott D. White 2000-5-30 7970 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El Centro Rd jtn. Adv to new housing construction. Alluvial terraces with steep, incised channels. 335 Comment
  UC62971  Pseudognaphalium thermale H. M. Hall 1897-8-1 835 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  IRVC2821  Pseudotsuga macrocarpa R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  UCR178153  Pseudotsuga macrocarpa Tracy Tennant 1998-3-10 MOR- 1110 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCR110457  Psilocarphus brevissimus D. E. Bramlet 1998-4-22 2607 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  UCR18662  Psilocarphus brevissimus var. brevissimus John C. Roos 1952-4-30 5601 Riverside Edgemont, near Box Springs 488 Comment
  CAS-BOT-BC362109  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  RSA698041  Psorothamnus arborescens var. simplicifolius J. R. Bruff 1928-4-2 92 Riverside Whitewater. Comment
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Jan 14 2010
  UC596749  Psorothamnus arborescens var. simplicifolius Rensselaer J. Smith May 1904 308 Riverside White Water Desert Comment
  OBI13262  Psorothamnus emoryi Robert F. Hoover 1966-10-15 10158 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  POM6512  Psorothamnus emoryi Philip A. Munz 1919-3-27 2355 Riverside Salton Sea Comment
  RSA403987  Psorothamnus emoryi Christopher Davidson 1979-4-29 7819 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UC555346  Psorothamnus emoryi Margaret Stason 1927-3-12 Riverside Thousand Palms , Thousand Palms (Colorado Desert) Comment
  UCD108314  Psorothamnus emoryi L. S. Rose 1935-12-10 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  UCR116819  Psorothamnus emoryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23950 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SEINET2063915 Image available Psorothamnus polydenius R. G. Engard, W. H. Earle 1973-10-10 154 Riverside 5 miles N of Cottonwood Springs, Joshua Tree National Monument. Comment
  CAS-BOT-BC340895  Psorothamnus schottii Carl B. Wolf 1932-4-26 2973 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  CAS-BOT-BC340923  Psorothamnus schottii H. M. Hall 1905-4-1 5758 Riverside Colorado Desert. Palm Springs 152 Comment
  HSC99951  Psorothamnus schottii J. P. Smith, & J. O. Sawyer 2011-6-9 13182 Riverside Along Hwy. 74. 972 Comment
  JEPS41676  Psorothamnus schottii W. L. Jepson 1927-4-14 11704 Riverside Silent Canyon Colorado Desert, , Silent Canyon (se end Santa Rosa Mts.) Comment
  JOTR33992  Psorothamnus schottii La Doux, Tasha, M. Harding 2010-4-7 2880 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM229423  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  RSA124112  Psorothamnus schottii Percy C. Everett, E. K. Balls 1958-4-29 22957 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  RSA404245  Psorothamnus schottii Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UC1080447  Psorothamnus schottii P. C. Everett and E. K. Balls 1958-4-29 22957 Riverside Hwy 60/70, Indio to Blythe, 5 mi E of jct. with Hwy. 99 121 Comment
  UC279671  Psorothamnus schottii unknown 1925-12-18 Riverside Fish Traps near Oasis (Colorado Desert); , near Oasis Comment
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Feb 3 2011
  UC998912  Psorothamnus schottii H. J. Fuller 1942-4-18 Riverside near Mecca (Mojave Desert); , near Mecca Comment
  POM46967  Psorothamnus spinosus Mary F. Spencer 1918-3-27 756 Riverside Palm Springs. 137 Comment
  RSA796110  Psorothamnus spinosus Duncan S. Bell 2009-4-20 321 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC472709  Psorothamnus spinosus M. F. Spencer 1918-3-27 Riverside Palm Springs , Palm Springs (Colorado Desert) 100 Comment
  UCR177848  Psorothamnus spinosus Marisa Sripracha, K. A. Boyd 2004-2-14 034 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  SEINET13373578 Image available Psorothamnus spinosus Leila M. Shultz, John S. Shultz 1985-1 8281 Riverside Gravel benches on north side of the Chuckawalla Mountains 183 Comment
  POM13039  Pterostegia drymarioides P. A. Munz, D. D. Keck 1922-4-13 4948 Riverside Eagle Mountains. 244 Comment
  RSA180247  Pterostegia drymarioides E. W. Lathrop 1965-5-23 5765 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  RSA0030729  Purshia tridentata C. P. Cowan 1978-4-25 1259 Riverside San Bernardino National Forest. Pinon Flat Campground. Hwy 74, 8.9 mi (14.2 km) E of jct Hwy 74 and 371. Comment
  POM48871  Quercus X morehus P. A. Munz, I. M. Johnston 1924-7-26 8706 Riverside Head of grade, 8 miles SE of Banning. 1372 Comment
  UCR169495  Quercus X morehus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 85 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  LA205265  Quercus agrifolia Carl Epling; November 1932 sn Riverside Palms to Pines Highway, E of Idlywild nearroad to Santa Rosa Mts Comment
  RSA477085  Quercus agrifolia Mark Morris 1929-3-17 14899 Riverside Palm Canyon. Comment
  RSA597240  Quercus agrifolia A. C. Sanders, S. Hawkins 1996-4-24 18072 Riverside Morongo Indian Reservation, in Hathaway Canyon near Burro Flats. 915 Comment
  UCR214579  Quercus agrifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37846 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCD58715  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 580 Riverside San Bernardino National Forest: San Jacinto Mountains: 2.3 mi. W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  UCR158899  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31552 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  RSA597052  Quercus berberidifolia D. L. Banks, Lauren Raz 1996-11-5 1165 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, SE of San Gabriel Church; On a newly established firebreak along a E-facing ridge S of the southern fork of Pechanga Creek. 488 Comment
  SD186232  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  UCR125889  Quercus berberidifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24948 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCD45547  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive, Riverside Co. Elevation 4000'. 1219 Comment
  SBBG55971  Quercus cornelius-mulleri C. H. Muller, K. K. Muller 1983-4-15 11764 Riverside 0.5 mi S of Sage Forest Fire Stn, 13.4 mi S of Hemet 1639 Comment
  UCD45614  Quercus cornelius-mulleri Frank C. Vasek 1975-9-11 s.n. Riverside In pinyon woodland (desert margin), elevation ca. 5000 feet; South Sheep Mountain, at the South edge of the Deep Canyon Reserve, Riverside County, California. 1524 Comment
  UCR149944  Quercus engelmannii Scott D. White 2004-10-8 10776 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  JOTR30778  Quercus john-tuckeri La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1888 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  CAS-BOT-BC105324  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC105326  Quercus kelloggii Peter H. Raven; R. Snow 1957-7-26 11095 Riverside Banning - Idyllwild road, 0.9 mi N of Vista Grande Ranger Sation, San Jacinto Mts. Comment
  RSA761235  Quercus kelloggii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 718 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG58951  Quercus kelloggii M. Lewis 1947-8-26 21 Riverside Dark Cyn 1981 Comment
  POM183874  Quercus turbinella P. A. Munz 1932-10-16 12845 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  RSA489833  Quercus turbinella D. Charlton 1988-5-28 2128 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  SEINET10678265  Quercus turbinella subsp. turbinella Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 23 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UC1135898  Quercus wislizeni var. frutescens R. St. John 1929-4-27 21 Riverside canyon w Old Nicholas Canyon; Santa Rosa Mts., Indio Quad. 1615 Comment
  POM159819  Rafinesquia neomexicana E. C. Jaeger 1926-3-24 9578 Riverside Pinto Valley, Colorado Desert Comment
  RSA28078  Rafinesquia neomexicana I. L. Wiggins 1941-3-27 9688 Riverside Desert wash 9 miles west of Desert Center. Comment
  RSA779696  Rafinesquia neomexicana Duncan S. Bell 2010-4-2 722 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  SBBG8705  Rafinesquia neomexicana C. H. Muller 1952-4-6 9499 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
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Apr 24 2011
  SD218293  Rafinesquia neomexicana Carol R. Annable 1995-3-9 2253 Riverside Ca. 14.5 km northwest of Palm Springs, north slope of Whitewater Hill. Comment
  SEINET7881837 Image available Rafinesquia neomexicana Helen K. Sharsmith 1952-1 4059 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles north east of Cottonwood Springs. 853 Comment
  SD132417  Ranunculus californicus Wendy Weitkamp 1990-4-12 Riverside Santa Rosa Plateau TNC Preserve, SW coener of Mesa de Burro 762 Comment
  RSA561779  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  CAS-BOT-BC334466  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke resience, 266 Frost Court, east edge of UCR campus 350 Comment
  UCR280970  Rhamnus californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 30 Riverside Temescal Valley, Mayhew Wash, N side of Temescal Canyon Rd., vicinity of I-15 320 Comment
  UCR141231  Rhamnus californica subsp. tomentella A. C. Sanders, Mike Misenhelter 2004-10-6 28836 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR156289  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-5-16 859 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
  RSA552764  Rhamnus ilicifolia Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6750 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  RSA772006  Rhamnus ilicifolia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4965 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
  IRVC86  Rhus ovata Charley Ford 1965-4-20 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  SD255625  Rhus ovata Mitch Provance 2012-5-24 512 23 Riverside San Bernardino Mountains:Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave and Wilson St. (Beaumont 7.5'Q) 868 Comment
  SD135247  Ribes cereum var. cereum Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak towards saddle with Toro Peak Comment
  CAS-BOT-BC173131  Ribes indecorum A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC173139  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  SEINET272333 Image available Ribes indecorum A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR158448  Ribes indecorum S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR37451  Ribes malvaceum Steve Boyd 1981-3-13 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. 844 Comment
  RSA615141  Ribes quercetorum A. C. Sanders, O. F. Clarke, H Foster 1997-3-2 19766 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
  UCR199570  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UC205829  Romneya coulteri I. M. Johnston 1918-5-30 2012 Riverside Temescal Canyon 365 Comment
  UCR274298  Romneya coulteri T. B. Salvato, Gregg Miller 2005-6-7 1438 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
  UCR177429  Rorippa curvisiliqua Scott D. White 2003-10-9 9818 Riverside San Jacinto Mountains, Pine Cove. Lily Creek just north of crossing at Hwy 243 1738 Comment
  RSA627520  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UCR68863  Rubus ursinus Steve Boyd, T. S. Ross 1990-5-11 4665 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  CLARK-A1528-4045  Rubus vitifolius John C. Roos 1952-6-25 5793 Riverside Riverside Comment
  UCR241406  Rumex crispus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7446 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR266490  Rumex dentatus Mitch Provance, Matt Amalong 2015-4-6 415- 17 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  UCR84876  Rumex hymenosepalus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16203 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  POM13395  Rumex salicifolius E. C. Jaeger 1922-8-22 1019 Riverside Long Valley. 2530 Comment
  RSA784662  Rumex salicifolius Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 69 Riverside Margarite road further down to the valley after turn towards Robcar road Comment
  UCR256744  Rumex salicifolius T. B. Salvato, Matthew Malle 2013-4-11 7533 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UCR26533  Rumex salicifolius var. salicifolius A. C. Sanders, S. Hagopian 1981-5-20 568 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  OBI38316  Rumex violascens Oscar F. Clarke 1985-5-13 s.n. Riverside San Jacinto River valley, gun club ponds E of David Rd a short distance N of Lakeview, E of the Bernasconi Hills 427 Comment
  RSA775299  Salazaria mexicana Duncan S. Bell 2011-3-18 2058 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR155939  Salix gooddingii John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA0038292  Salix hindsiana H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CLARK-A1528-4054  Salix hindsiana var. leucodendroides John C. Roos 1937-5-23 617 Riverside Riverside Comment
  CLARK-A1528-4056  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Eagle Mountains Comment
  POM2054  Salix laevigata I. M. Johnston 1918-5-30 1997 Riverside Temescal Canyon 366 Comment
  RSA0014930  Salix laevigata LeRoy Gross, Caitlin Elam 2013-5-14 6179 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
  SD187475  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR41220  Salix laevigata N. M. Fellows 1985-5-3 78 Riverside San Jacinto Mtns, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village. 488 Comment
  RSA741186  Salix lasiolepis Scott D. White, Justin M. Wood 2008-6-16 12120 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  POM9287  Salix lasiolepis Philip A. Munz, R. D. Harwood 1920-2-28 3260 Riverside 2 mi. southeast of Corona 305 Comment
  CAS-BOT-BC126319  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR33642  Salsola gobicola Sears 1977-10-10 S 529 Riverside Sonoran (Colorado) Desert, 23 mi. north of Desert Center, 3 mi. south of Hwy 62 Junction 335 Comment
  UCR119838  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 Riverside Santa Rosa mtns, Pinyon Flats, half way between Palm Canyon Drive and Jeraboa Road, c. 100-200 yards north of the road near a rocky outcrop 1280 Comment
  UCR37127  Salvia X bernardina K. R. Neisess 1983-6-16 505 Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  UCR123873  Salvia apiana Steven R. Hill 2001-4-29 33536 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  RSA411369  Salvia carduacea Ora M. Clark 1929-2-24 1532 Riverside Cabazon, Colorado Desert. Comment
  RSA401472  Salvia columbariae Robert L. Rutherford 1945-5-24 1648 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SD73609  Salvia columbariae Helen Witham 1970-5-1 858 Riverside SE of Hemet, in Bautista Canyon 800 Comment
  SDSU7472  Salvia columbariae Stan Matler 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  SEINET7063422  Salvia columbariae A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon. UTM Zone 11, 473626mE, 3725052mN. (WGS84/NAD83). 411 Comment
  UC1979870  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 768 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  UCLA70178  Salvia columbariae H. S. Brown 1946-3-30 4 Riverside Wonderland of Rocks; Mohave Desert Comment
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Feb 17 2013
  UCR120937  Salvia columbariae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24956 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR164289  Salvia columbariae S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR213449  Salvia columbariae A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37817 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
  UCR213614  Salvia columbariae A. C. Sanders, Matthew Malle 2010-4-23 38006 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR50919  Salvia columbariae A. C. Sanders 1988-5-11 7799 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA614369  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Spring Cyn. 457 Comment
  SDSU2939  Sambucus nigra subsp. caerulea Thomas A. Zink 1971-3-1 Riverside 200 yards south of Riverside Country Dump turnoff. 335 Comment
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Jun 8 2013
  UC877781  Samolus parviflorus Crawford and Johnston 1917-6-9 1231 Riverside near Corona (Santa Ana River); Southern California, Santa Ana River Comment
  SDSU17499  Sanicula arguta Jerry Jenkins 2001-4-1 2001 -022 Riverside Santa Margarita Ecological Reserve. High saddle on road to Tourmaline mine, UTM zone 6, 482500E, 3699900N. UTM transfered to GIS. Comment
  UC1123579  Sarcostemma cynanchoides subsp. hartwegii H. S. Yates 1936-4-6 5407 Riverside Palm springs San Jacinto Quad., Palm springs Comment
  UCR123866  Sarcostemma cynanchoides subsp. hartwegii Steven R. Hill 2001-5-3 33651 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  JEPS27445  Sarcostemma hirtellum W. L. Jepson 1928-4-25 12627 Riverside s. Mohave Desert, Pinto Basin 1676 Comment
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Dec 26 2016
  UCR214864  Sarcostemma hirtellum A. C. Sanders 2010-3-23 37526 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  RSA325512  Schismus arabicus R. F. Thorne, Drs Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55422 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  NY43366  Schismus barbatus C. R. Annable 1995-3-10 2265 Riverside 1.6km S of Lake Cahuilla County Park Comment
  UCD93273  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Elsinor Basin. Elsinore Area: SE of Hwy 74, ca. 1 mile E of junction with I-15 Freeway. 457 Comment
  RSA289842  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4072 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  SDSU12971  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM319709  Scirpus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 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
  POM1416  Scirpus microcarpus L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  UCR138609  Scirpus microcarpus D. L. Banks 1996-11-7 1192 Riverside Peninsular Range; Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 150 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 473 Comment
  UC1931122  Scrophularia californica Scott D. White, Justin Wood 2008-7-8 12387 Riverside Johnson Meadow San Jacinto Mountians Comment
  UCR230914  Scrophularia californica T. B. Salvato, Richard Camacho 2011-6-12 5480 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR268277  Scrophularia californica Jim Andre 2012-6-15 30502 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
  UCR193913  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35811 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CAS-BOT-BC214232  Scutellaria bolanderi subsp. bolanderi John Thomas Howell 1927-8-2 2925 Riverside Road to Hemet at top of control, Mt. San Jacinto 1371 Comment
  CAS-BOT-BC341105  Scutellaria mexicana S. B. Parish 1916-5-13 10835 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  SD67926  Sedum niveum Reid Moran 1968-8-3 15365 Riverside On rocky northeast slope of Santa Rosa Mountain. 2250 Comment
  HSC34759  Selaginella eremophila R. E. Cooksey Mar 1974 191 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  POM161555  Selaginella watsonii Ralph Hoffman 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  SEINET3289841 Image available Selaginella watsonii M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1446 Riverside Peninsular Ranges; San Jacinto Mountains region: Northeast side of Tahquitz Peak, on trail to Saddle Junction. 2637 Comment
  CAS-BOT-BC363484  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside Hills about 5 miles n.e. of Aguanga Comment
  RSA0012734  Senecio californicus Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  UC53929  Senecio flaccidus var. douglasii E. A. Zumbro Oct 1902 162 Riverside Comment
  UCR235081  Senecio flaccidus var. douglasii A. C. Sanders, John F. Green 2012-6-1 40232 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  UCR40409  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Clinton Keith Road, [Slaughterhouse Canyon] 1.7 mi. east of gate to The Nature Conservancy Preserve 488 Comment
  RSA0121006  Senecio mohavensis Duncan S. Bell, LeRoy Gross 2016-3-8 8827 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  SD258341  Senecio mohavensis J. M. Andre 2013-3-4 23874 Riverside Parker SW; Riverside Mountains; east side of range, along rocky dirt road to historic mine are, 0.8 mi west of Hwy 95, approx 12 mi south of Vidal Jct 127 Comment
  UCR237634  Senecio mohavensis Duncan S. Bell, Amanda Turek 2010-4-10 795 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  RSA612491  Senecio vulgaris D. L. Banks 1997-2-23 1326 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA740086  Senecio vulgaris Justin M. Wood 2008-11-17 232 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SFV21890  Senegalia greggii J. R. Pucci 2001-5-12 27 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  JOTR30068  Senna armata La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1697 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  POM11977  Senna covesii E. C. Jaeger 1921-03 s.n. Riverside Martinez Canyon., [I think Martinez Cyn. should be either in the San Jacinto Mtns. region or in the western Colo Des region -- the Martinez Cyn I know of is in the Santa Rosa Mtns. -SDW 2004] Comment
  RSA0015681  Senna covesii Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6036 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  UCR59838  Sesbania herbacea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  UCR181161  Sesuvium verrucosum R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  RSA487825  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of it's junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  UCR113880  Setaria gracilis Mitch Provance 2000-6-24 2060 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA543865  Silene antirrhina Steve Boyd, David E. Bramlet 1991-5-13 6249 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  SD152887  Silene antirrhina Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7353 Riverside Southern Santa Ana Mountains, San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon. 365 Comment
  UCR178010  Silene antirrhina T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 608 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR92100  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 415 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  UCR132899  Silene gallica G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  CAS-BOT-BC389575  Silene parishii Philip A. Munz 1938-8-13 15329 Riverside Near Santa Rosa Peak 2377 Comment
  POM78663  Silene parishii var. viscida Albert J. Perkins 1916-9-15 s.n. Riverside Summit, Tahquitz Peak. Comment
  UCR158049  Silene verecunda subsp. platyota Y. Katzenstein 1993-5-22 42 Riverside San Jacinto Mtns., James San Jacinto Mtns Reserve; along side drainage to the Hall Canyon creek, about 2mi from Lake Fulmor 1677 Comment
  JEPS40195  Simmondsia chinensis W. L. Jepson 1359 Riverside Palm Canyon of San Jacinto to Van de Venter's Ranch; Palm Canyon of San Jacinto Comment
  RSA76934  Simmondsia chinensis F. W. Peirson 1919-4-13 2049 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  POM307279  Sisymbrium altissimum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2140 Riverside Palms to Pines Highway. Comment
  UCR162404  Sisymbrium altissimum 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