Search Results — 2000 specimen records retrieved (1911 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET7048005  Abies concolor Steven R. Hill, Kate Kramer and family 2001-4-26 33472 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  CSUSB1072  Abronia villosa Steven J. Southwell 1971-5-2 Riverside Windy Gap sand dune west of Palm Springs on Highway 111, 100 yards of road. West Colorado Desert. 304 Comment
  SEINET156036  Abronia villosa Norman C. Cooper 1944-7-15 1592 Riverside Palms to Pines Hwy. 1463 Comment
  RSA593979  Abronia villosa var. aurita D. L. Banks, Elizabeth Hedge Banks 1996-5-2 966 Riverside NW Palomar Mountains; Agua Tibia Mountains; WSW of Dorland Mtn., in the Pechanga Indian Reservation; Along the sandy margins of Pechanga Creek, approximately 15 m E of Pala Road. 351 Comment
Read comments
May 12 2011
  UCR234257  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40024 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  RSA747723  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-3-24 12575 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR161372  Abronia villosa var. villosa Mark A. Elvin 2005-4-25 4220 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  UCR40263  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  POM48487  Acacia greggii var. arizonica P. A. Munz 1924-7-29 8886 Riverside Banning. Comment
  RSA263609  Acer macrophyllum E. W. Lathrop 1968-3-22 6917 Riverside Main Divide Truck, trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
Read comments
Apr 28 2011
  CAS-BOT-BC260438  Achnatherum hymenoides L. R. Abrams 1941-4-24 13930 Riverside Palm Springs Railroad Station Comment
  SBBG34672  Achnatherum hymenoides T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  RSA423486  Achyronychia cooperi M. B. Dunkle 4980 Riverside Colorado Desert, east of Indio. Comment
  RSA423493A  Achyronychia cooperi E. S. Spalding 1913-03 14822 Riverside E. of Banning. Comment
  SD133091  Acmispon argophyllus var. argophyllus Scott White 1991-5-13 91 98 Riverside Hwy 79 immediately west of US Forest service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  SBBG133770  Acmispon brachycarpus A. C. Sanders 2011-4-26 39327 Riverside Alberhill Mtn, S side near Nichols Rd, ca. 350 m WNW (276 deg ) of Nichols Rd and Pierce St intersection 395 Comment
  OBI12981  Acmispon glaber var. brevialatus Robert F. Hoover 1969-4-11 11221 Riverside Mouth of Morongo valley cyn Comment
  RSA0121433  Acmispon glaber var. glaber Duncan S. Bell, LeRoy Gross 2016-3-30 9142 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CHSC110683  Acmispon micranthus Dean Wm. Taylor 2003-5-7 18530 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  SD232684  Acmispon nevadensis var. davidsonii Scott D. White 1996-8-1 4418 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. Comment
  JOTR34197  Acmispon strigosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2990 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
  SD247417  Acmispon strigosus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Red Cloud Canyon 7.5'Q) 671 Comment
  SD232168  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UCR178317  Acourtia microcephala T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 622 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  HSC47596  Adenophyllum porophylloides Richard Spjut, C. E. Edson 1978-5-6 5031 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 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
  RSA714423  Adenostoma fasciculatum A. C. Sanders 2004-5-11 27850 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy. 488 Comment
  UCR174151  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32526 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  SDSU13934  Adenostoma fasciculatum var. obtusifolium Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2152 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR129814  Adenostoma sparsifolium Fred M. Roberts 2003-7-11 5962 Riverside Santa Ana Mtns., just east of Bear Creek, 0.5 km SE Upper San Juan Campground 668 Comment
  UCR91656  Adenostoma sparsifolium D. L. Banks, Steve Boyd 1995-10-17 0799 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  CAS-BOT-BC69649  Adiantum capillus-veneris Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 mi. e. of Palm Springs. Comment
  UCR1103  Adiantum jordanii J. E. Dimitman 1957-3-23 s.n. Riverside Santa Ana Mountains, San Mateo Creek 396 Comment
  UC1543181  Agoseris retrorsa Donald G. Nelson 1936-5-21 372 Riverside just n of meadow in valley just e of Hurkey Creek Camp; San Jacinto Mts., Mt. Thomas, Lake Hemet Comment
  UCR120617  Agoseris retrorsa Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2274 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SDSU719  Agrostis exarata H. Wedberg 1962-5-23 944 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
Read comments
Oct 18 2011
  UC69348  Agrostis idahoensis H. M. Hall July, 1901 2533 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2286 Comment
  UCR171983  Alchemilla occidentalis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  SBBG34201  Allium burlewii T. L. Secrest 1951-5-20 Riverside Pine Cove 1905 Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  UCD138536  Allium haematochiton C. L. Hitchcock 1966-3-15 24154 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  POM184740  Allium parishii C. L. Hitchcock 1932-4-9 12226 Riverside White Tanks, Joshua Tree National Monument, East Riverside Comment
  SJSU7122  Allium peninsulare N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3-4 mi E of Elsinore 396 Comment
  RSA644111  Allium praecox Scott D. White 1995-3-30 2676 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  UC1929474  Allophyllum Scott D. White, Michael Honer 2003-6-3 9487 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR193520  Allophyllum gilioides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  RSA801955  Allophyllum glutinosum LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6154 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA761165  Alnus rhombifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 699 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD217239  Alnus rhombifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  RSA234060  Alopecurus saccatus R. F. Thorne, Earl Lathrop 1969-5-12 37944 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA90202  Alopecurus saccatus F. W. Peirson 1922-5-19 3021 Riverside 10 miles northeast of Murrieta. 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
  UCR59521  Amaranthus albus Steve Boyd 1989-6-4 3609 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  HSC86937  Amaranthus blitoides S. J. Myers 1987-10-27 Riverside 3 mi. W of Temecula, NE portion of Santa Rosa plateau, 3/4 mi. E of Walker Basin Comment
  RSA302135  Amaranthus fimbriatus J. R. Shevock 1972-10-14 2320 Riverside Upper Coyote Canyon, Anza Borrego St. Park. Comment
  JOTR30826  Amaranthus torreyi La Doux, Tasha, Jim Andre 2008-9-16 342 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  POM263162  Ambrosia acanthicarpa J. C. Roos 1937-8-19 359 Riverside Thomas Valley, San Jacinto Mts. Comment
  RSA736529  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-7-2 10575 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA772062  Ambrosia acanthicarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4628 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR109524  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-9-24 s.n. Riverside Moreno Badlands, W of Beaumont, south side of Hwy 60, 2 miles west of Jackrabbit Trail 686 Comment
  CDA9976  Ambrosia dumosa A. C. Browne 1957-4-6 s.n. Riverside 6 miles east of Indio. 0 Comment
  JEPS40963  Ambrosia dumosa W. L. Jepson 1928-4-25 12618 Riverside dry hills, (at w edge of Eagle Mountains) Cottonwood Springs; Colorado Desert, Joshua Tree National Monumnet, Eagle Mounta 731 Comment
Read comments
Oct 9 2010
  LA26697  Ambrosia dumosa William Shapeero; 1954-4-28 Riverside Joshua Tree National Monument Comment
  POM41505  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA457761  Ambrosia dumosa Steve Boyd, Timothy S. Ross, L. Arnseth, D. Nordin, Richard Noyes, S. Meury 1988-3-10 2124 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  SBBG35061  Ambrosia dumosa T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UC218034  Ambrosia dumosa P. A. Munz, D. Keck 1922-4-13 4934 Riverside slope of Aushurtz Canyon; Colorado Desert, Eagle Mts. 274 Comment
  UC31939  Ambrosia dumosa S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs, (Agua Caliente); San Jacinto Mt. 152 Comment
  UC62863  Ambrosia dumosa H. M. Hall May 17 1901-Jun 1 1901 1868 Riverside near, (journey of Jepson & Hall from Riverside to Santa Rosa Pk & Palomar) Palm Canon 609 Comment
  SJSU11733  Ambrosia ilicifolia R. C. McGehee 1970-4-30 248 Riverside 4 miles W of Corn Spring Canyon ca. 18 miles SE of Desert Center Comment
  CAS-BOT-BC55618  Ambrosia psilostachya H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 304 Comment
  UCR141258  Ambrosia psilostachya A. C. Sanders, Kelly Volansky 2004-10-6 28824 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs Comment
  LA36849  Ambrosia salsola LeRoy Abrams; 1941-4-24 13935 Riverside San Jacinto Mountains, San Gorgonio Pass, near Cabazon Comment
  UC1923764  Ambrosia salsola John L. Strother 2008-3-10 1370 Riverside ca. 18 km (11 miles) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  UCR270409  Amelanchier utahensis John F. Emmel 2000-4-30 1646 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road at Garnet Queen Creek crossing 1890 Comment
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
Read comments
Nov 23 2010
  UCR85580  Ammannia robusta Julie A. Greene 1993-6-11 1358 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  UCR178340  Amorpha californica Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 654 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA415299  Amorpha fruticosa A. Menke 1955-5-22 s.n Riverside Chino Canyon, Palm Springs. Comment
  UCR59518  Amorpha fruticosa var. occidentalis Steve Boyd, T. S. Ross, Laurel Arnseth 1989-5-7 3580 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  PASA1998  Amsinckia douglasiana Frank W. Peirson 1921-3-22 Riverside Murray Canyon, Palm Springs Region 396 Comment
  POM48531  Amsinckia intermedia F. M. Reed 1925-3-15 4934 Riverside Chicago Ave, Riverside 274 Comment
  RSA0089631  Amsinckia intermedia Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10460 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
  RSA487452  Amsinckia intermedia Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  UCR152527  Amsinckia intermedia A. C. Sanders 2005-4-22 29594 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR97027  Amsinckia intermedia Scott D. White 1997-2-28 4707 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA0089636  Amsinckia intermedia Sharon La Bonde 1963-4-8 18 Riverside 4 miles out of Riverside on Van Buren. San Bernardino Mountains. 213 Comment
  UCR103588  Amsinckia menziesii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2727 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR49254  Amsinckia menziesii Steve Boyd 1986-3-9 1392 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  POM13877  Amsonia brevifolia var. tomentosa E. C. Jaeger 1921-4-10 1173 Riverside 1000 Palms Canyon, Colorado Desert of California. 823 Comment
  RSA201888  Amsonia brevifolia var. tomentosa I. T. Weeks 1930-3-30 31100 Riverside Munsen Canyon, Eagle Mts. Comment
Read comments
Jul 5 2010
  UC218270  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4844 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UC878733  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 1/2 mi. below Cottonwood Spring Comment
  UCR89654  Amsonia tomentosa Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  RSA586309  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-3 220 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR222295  Anagallis minima R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55198 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de Colorado 625 Comment
  POM48875  Angelica tomentosa P. A. Munz, I. M. Johnston 1924-7-26 8708 Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  UC891462  Anisocoma acaulis K. Watkins and E. McClintock 1937-4-10 Riverside near road to, on Palms-to-Pines Highwayl Shumway Comment
  JOTR01230  Anisocoma acaulis Cole, James E. 1941-5-30 834 Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  UCR150025  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA171364  Antirrhinum coulterianum John Olmsted 1962-5-3 3523 Riverside Full sun on sandy arroyo bank along road from Santa Rosa Indian Reservation to old vilage, etc 1555 Comment
  RSA36569  Antirrhinum coulterianum Sara M. Schenck 1941-5-30 s.n. Riverside East side of Quail Mt. Comment
  RSA425791  Antirrhinum coulterianum Ora M. Clark 1929-2-23 1563 Riverside North of Whitewater Comment
Read comments
Dec 31 2017
  RSA619536  Antirrhinum coulterianum D. L. Banks 1997-5-5 1985 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR105430  Antirrhinum coulterianum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  POM312020  Antirrhinum filipes Karen Hosterman 1958-4-5 1248 Riverside Teddy Bear Cholla Patch in desert Comment
  UCR151067  Antirrhinum nuttallianum Scott D. White 1998-6-17 6750 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  JEPS83386  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-8 297 Riverside sw end Bernasconi Hills (Lake Perris Recreational Area, se entrance, end of road to left, on horse trail (marked as such) start at picnic area, next to path not far above dam); Lake Perris Recreational Area 487 Comment
  RSA504546  Antirrhinum nuttallianum subsp. nuttallianum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA512154  Antirrhinum nuttallianum subsp. nuttallianum Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UCR90609  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1995-6-29 3387 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SD143759  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: Northeast of Skinner Lake in a tributary to Rawson Canyon, along dirt road. North-facing slope in a brushy side canyon 502 Comment
  RSA501011  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3130 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA708175  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside Indian Creek and adjacent foothills. 549 Comment
  SDSU13502  Apium graveolens W. Miller with C. Mosse 1972-7-11 Riverside Temecula Canyon. Comment
  POM366955  Aquilegia formosa var. truncata E. C. Jaeger 1921-7-2 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  UCR116427  Arabidopsis thaliana A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-1 24066 Riverside San Bernardino Valley region, Riverside, UCR campus 335 Comment
  POM13572  Arabis perennans P. A. Munz 1922-6-28 5876 Riverside Santa Rosa Mountains. [San Jacinto Mountains] 2409 Comment
  UCR172752  Arabis sparsiflora Abby Sirulnik 2000-5-7 33 Riverside Peninsular Ranges; San Jacinto Mtns., c. 1/4 mi. down first road off of Poppet Flat Road (off Calif. Hwy 243 near Twin Pines) 1220 Comment
  UCR128300  Arceuthobium campylopodum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA629154  Arctostaphylos Jon E. Keeley 1992-7-17 16781 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629389  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19510 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC23120  Arctostaphylos glandulosa subsp. glandulosa Scott D. White 1996-8-1 4450 Riverside San Jacinto Mts., Idyllwild Area: North of Isomata along USFS Rd. 5S24.1 1645 Comment
  RSA629359  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1992-6-12 15544 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 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
  POM49870  Arctostaphylos glandulosa var. adamsii P. A. Munz, I. M. Johnston 1924-7-29 8859 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  CAS-BOT-BC24673  Arctostaphylos glauca C. B. Wolf 1932-2-11 2649 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. w. of Corona, base of Skyline Drive. 405 Comment
  HSC101773  Arctostaphylos glauca J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13186 Riverside Along State Route 74 1227 Comment
  RSA631792  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19566 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631801  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15531 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631820  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21810 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA633579  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20132 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633594  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16691 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633719  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20149 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA720445  Arctostaphylos patula Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1696 Riverside East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  UC1922184  Arctostaphylos patula Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1696 Riverside Peninsular Ranges; San Jacinto Mountains region; East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  POM21134  Arctostaphylos patula subsp. platyphylla Fordyce Grinnell Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  RSA635652  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16761 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  UC527225  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  UC876400  Arctostaphylos pringlei subsp. drupacea I. W. Clokey and E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  UCD52967  Arctostaphylos pringlei subsp. drupacea I. W. Clokey; E. G. Anderson 1935-4-16 7888 Riverside Hemet. 900 Comment
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Mar 16 2007
  RSA721871  Arctostaphylos pungens var. pungens Michael Wall 2007-2-24 426 Riverside San Jacinto Valley off dirt road along wash feeding Bautista Creek off Bautista Creek Rd. 3.0 miles SE of Fairview Avenue 678 Comment
  RSA585641  Arctostaphylos rainbowensis D. L. Banks, S. D. Boyd 1995-3-15 0076 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  SD152623  Arctostaphylos rainbowensis Craig Reiser 2000-8-28 Riverside ca. one mile southwest of Pechanga Reservation casino, south of creek and west of substantial tributary, on hilltop (mak 11/06) Comment
  UC219064  Arenaria macradenia var. macradenia P. A. Munz 1922-6-29 5893 Riverside Santa Rosa Mts. 2133 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
  RSA736796  Argemone munita subsp. munita Scott D. White, Angelia Carey 2004-7-2 10568 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CAS-BOT-BC65753  Argyrochosma jonesii Dr. A. Davidson 1893-4-1 s.n. Riverside Agua Caliente [now also known as Palm Springs] Comment
  CAS-BOT-BC207117  Argythamnia lanceolata Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11225 Riverside Western base of the Chocolate Moutnains, 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. Comment
  RSA27422  Aristida adscensionis var. abortiva C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring. Comment
  UCR19683  Aristida californica John C. Roos 1946-9-14 3007 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  CLARK-A1528-4478  Aristida parishii John C. Roos 1946-11-30 3162 Riverside Chuckwalla Mountains Comment
  JOTR29572  Aristida purpurea var. fendleriana Andre, Jim 2006-4-6 6686 Riverside Joshua Tree National Park. Pinto basin, approx. 400 m S of Pinto Basin Rd (paved), 3 mi. SE of Twin Tanks 1023 Comment
  UC1930099  Aristida purpurea var. longiseta Scott D. White, Justin Wood 2008-6-5 12063 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  UCR21296  Aristida purpurea var. longiseta A. C. Sanders, K. Berg 1980-5-1 1363 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  JOTR34101  Aristida purpurea var. nealleyi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2750 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR58440  Aristida purpurea var. nealleyi A. C. Sanders 1989-9-20 9513 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  SFV3693  Artemisia californica M. L. Vincent, R. H. Swade 1963-10-19 458 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  CAS-BOT-BC90419  Artemisia douglasiana H. A. Zuill 1966-7-26 301 Riverside about 7.5 miles SW of Murrieta Comment
  CAS-BOT-BC90576  Artemisia dracunculus Parish 1901-1 15951 Riverside Strawberry Valley Comment
  JOTR32836  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA502201  Artemisia dracunculus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3708 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  JOTR30814  Artemisia ludoviciana subsp. albula La Doux, Tasha, Jim Andre 2008-9-16 335 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  UCR195800  Artemisia ludoviciana subsp. albula Jim Andre, T. La Doux 2007-9-6 8704 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  JOTR29221  Artemisia ludoviciana subsp. incompta La Doux, Tasha, Mike Bell 2005-9-15 1334 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  SD229064  Artemisia ludoviciana subsp. incompta Dick Schwenkmeyer 2012-5-22 727 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  HSC24885  Artemisia tridentata subsp. tridentata James Henrickson 1969-10-25 4257 Riverside 6 miles SSE of Idyllwild near Hemet Reservoir, along Hwy. 74 1372 Comment
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Jul 8 2010
  POM294106  Artemisia tridentata subsp. tridentata Lyman Benson 1945-11-10 11917 Riverside 5 miles west of Aguanga. 457 Comment
  CLARK-A1528-1461  Asclepias albicans John C. Roos 1946-12-21 3190 Riverside Colorado Desert Comment
  SEINET229305  Asclepias albicans Unknown 1985-4-16 8254 Riverside North side of Chuckwalla Mountains. About 10 miles east of Desert Center. 183 Comment
  JEPS6273  Asclepias eriocarpa Carl V. Meyer 1928-7-1 618 Riverside Saunders Meadow; San Jacinto Mountains Comment
  POM187202  Asclepias erosa Marcus E. Jones 1931-9-15 28744 Riverside Hayfields. No. Colorado Desert. Comment
  UC22993  Asclepias fascicularis Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA595538  Asclepias subulata Alan Prather, Alice Hempel 1993-5-16 1345 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  RSA69914  Asclepias subulata F. W. Peirson 1920-12-29 2339 Riverside Point of Rocks, 1.5 miles east of Whitewater Station, head of Coachella Valley 335 Comment
  SEINET3081784 Image available Asclepias subulata John N. Bullock 1970-5-8 P 22 Riverside 100 metres s.e. of California State Highway 195 8.9 m. e. of the All American canal 293 Comment
  UCD121362  Asclepias subulata Geoffrey Levin 1975-12-7 659 Riverside Painted Canyon, about 9 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sink drainage area. 76 Comment
  UCR96185  Asclepias subulata B. G. Pitzer 1996-11-9 2927 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  SEINET175012 Image available Aspidotis californica F. M. Reed 1920-4-20 5829 Riverside Summit of grade between Pala and Temecula. 914 Comment
  POM161537  Aster alpigenus Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  CAS-BOT-BC177461  Astragalus aridus Lewis S. Rose 1937-4-10 37155 Riverside 3 miles se. of Indio Comment
  CAS-BOT-BC177469  Astragalus aridus L. A. Greata 1905-4-1 420 Riverside Coachella Comment
  JEPS54530  Astragalus aridus S. B. Parish 1913-2-28 8467 Riverside Salton Sink , Salton Sink (Mecca) 60 Comment
  RSA0014460  Astragalus aridus Justin M. Wood, J. Miner 2010-4-29 1533 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA719066  Astragalus aridus Michael Honer 2005-3-18 2101 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  RSA0025521  Astragalus bernardinus John F. Emmel 1986-4-12 996 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  CHSC823  Astragalus crotalariae E. Thomas 1940-3-3 Riverside Coachella Valley. -30 Comment
  UC669291  Astragalus crotalariae Annie M. Alexander and Louise Kellogg 1941-3-2 1881 Riverside roadside 5 mi s Valerie; s of Valerie Comment
  UCSB45527  Astragalus didymocarpus Roos, John 1952-4-30 Riverside Hills between Camp Haan and Riverside 518 Comment
  RSA90156  Astragalus didymocarpus F. W. Peirson 1914-1 576 Riverside Whitewater, east of Cabezon Comment
  UC68629  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5940 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  SEINET938132  Astragalus dispermus Carl B. Wolf 1937-1 8430 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom. 30 Comment
  RSA524458  Astragalus gambelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4061 Riverside Vail Lake Area, summit of Big'' Oak Mts. at E end. 792 Comment
  CAS-BOT-BC187108  Astragalus lentiginosus var. borreganus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  CLARK-A1656-728  Astragalus lentiginosus var. coachellae Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  POM9368  Astragalus lentiginosus var. coachellae Mary F. Spencer 1920-3-17 1501 Riverside Whitewater. Comment
  SD143258  Astragalus lentiginosus var. coachellae James C. Dice, Kimberly A. Nicol 1998-3-24 98032 3 Riverside Northwestern Colorado Desert, 7.1 miles north of Desert Center, along State Highway 177. 163 Comment
  UC126875  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater , Whitewater (Colorado Desert) 240 Comment
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Feb 1 2011
  UC397225  Astragalus lentiginosus var. coachellae G. B. Grant 1906-4-8 6714 Riverside Palm Springs Palm Springs (Southern California) Comment
  UCR144409  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Sonora (Colorado) Desert, Coachella Valley. Palm Springs, northeast corner of 30th Avenue and Devall Street 101 Comment
  UCR182558  Astragalus lentiginosus var. coachellae Linda Archer 2006-5-3 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, SW edge of Desert Hot Springs, east of Morongo Wash 293 Comment
  UCR87985  Astragalus lentiginosus var. coachellae George K. Helmkamp 1994-3-8 41- 11 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  RSA202707  Astragalus palmeri Marcus E. Jones 1933-4-2 s.n Riverside Palms to Pines Road, S of Coachella Valley. 1067 Comment
  CAS-BOT-BC194127  Astragalus pomonensis Ira W. Clokey; C. B. Clokey; B. C. Templeton 1935-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
  RSA415663  Astragalus pomonensis G. R. Johnstone 1925-04 s.n Riverside Citrus Experiment Station. Comment
  UC536841  Astragalus pomonensis M. E. Jones 1933-4-5 Riverside Hemet Comment
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Mar 24 2011
  CAS-BOT-BC193170  Astragalus sabulonum Carl B. Wolf 1932-4-28 3079 Riverside Colorado Desert. Chuckwalla Valley, 19 mi. west of Blythe on the Mecca Road 121 Comment
  CAS-BOT-BC194056  Astragalus tricarinatus P. A. Munz; I. M. Johnston 1922-5-6 5196 Riverside Morongo Wash, Colorado Desert Comment
  UCR234287  Athysanus pusillus A. C. Sanders, John F. Green 2012-3-26 40001 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  RSA727006  Atrichoseris platyphylla Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SD258308  Atrichoseris platyphylla J. M. Andre 2013-3-27 24822 Riverside Parker SW; Riverside Mountains; east side of riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Jct. 125 Comment
  UC724310  Atrichoseris platyphylla Aven Nelson, Ruth A. Nelson 1939-3-29 3328 Riverside near Mecca; Hidden Springs Canyon Comment
  UCR266914  Atriplex argentea D. E. Bramlet 2009-9-24 4401 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, NW of Hemet, San Diego Canal right-of-way south of Esplanade Ave. and west of Warren Rd. 459 Comment
  POM13710  Atriplex canescens P. A. Munz 1922-4-30 5125 Riverside Hemet Butte. Comment
  RSA452378  Atriplex canescens Ora M. Clark 1929-3-17 1744 Riverside N. La Quinta, Colorado Desert. Comment
  SEINET3930666  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway sliding), 4.5 miles Southeast of Mecca, Colorado Desert. Lower Sonoran Zone.; 0 610 Comment
  UCR92403  Atriplex canescens F. M. Reed 1933-12-1 8423 Riverside Western Colorado Desert, dry wash east of Palm Springs 122 Comment
  UC850852  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4321 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  CAS-BOT-BC170228  Atriplex canescens subsp. linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-8-29 331 Riverside Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mts. Comment
  RSA5453  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  UCR214708  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37627 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  SD175810  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Rd. and Temescal Wash; south ca. 1.5 mile of Blue Diamond Quarry. 310 Comment
  RSA799517  Atriplex elegans var. fasciculata Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4778 Riverside East side of Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.25 air miles east southeast of Priests Well. 211 Comment
  JOTR37713  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  RSA33312  Atriplex serenana N. C. Cooper 1943-10-9 957 Riverside Hemet. 304 Comment
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Apr 29 2011
  UCR100030  Avena fatua A. C. Sanders, G. Helmkamp 1997-3-15 19977 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR172142  Avena fatua A. C. Sanders 2006-5-11 32263 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR232797  Avena fatua John F. Green 2008-4-16 0408- 40 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  RSA6625  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside Andreas Canyon. 762 Comment
  RSA0040118  Baccharis emoryi Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC within Upper San Andreas Oasis, 1 mile south of oasis. Comment
  IRVC529  Baccharis glutinosa Polly Brecht 1965-4-24 s.n. Riverside Upper San Juan Creek Camp, Ortega Highway. Santa Ana Mountains Comment
  SBBG101771  Baccharis salicifolia S. Boyd with T. Ross 1991-6-14 6400 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
  SEINET10892214  Baccharis salicifolia David B. Dunn, Howard Brown 1947-2-9 Dunn 2850 Riverside Pushawalla Canyon, Indio Hills. By Springs in canyon. Comment
  SDSU13343  Baccharis salicifolia subsp. salicifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 32 Riverside Santa Margarita Ecological Reserve(SDSU). Near the center of the canyon, west of the pipe line crossing. 239 Comment
  JOTR36394  Baccharis sergiloides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3346 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at 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
  SD229076  Bahiopsis parishii Dick Schwenkmeyer 2012-5-22 714 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR264212  Bahiopsis parishii A. C. Sanders 2015-9-11 41872 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  UCSB38731  Bahiopsis parishii Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  UC893813  Baileya pauciradiata unknown 1932-3-26 Riverside Coachella Comment
  SEINET2055760 Image available Baileya pleniradiata George K. Helmkamp, E. A. Helmkamp 2001-9-16 7174 Riverside Willcox Playa, east edge: Blue Sky Road 0.2 mil northeast of AZ-186 (siuthest of Willcox} 1295 Comment
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May 3 2014
  CLARK-A1528-1648  Bebbia juncea John C. Roos 1995-6-19 Riverside Santa Ana Mountains Comment
  POM46891  Bebbia juncea Mary F. Spencer 1918-4-7 775 Riverside Palm Springs. 168 Comment
  RSA92398  Bebbia juncea F. W. Peirson 1920-12-28 5282 Riverside Murray Canyon near Palm Springs Comment
  UCSB42271  Bebbia juncea Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
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May 21 2011
  CAS-BOT-BC100111  Bebbia juncea var. aspera John Thomas Howell 1928-1-29 3296 Riverside floor of Painted [Canon] Canyon, Colorado Desert Comment
  CAS-BOT-BC100119  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5971 Riverside Chuckawalla Mts. Comment
  CAS-BOT-BC100130  Bebbia juncea var. aspera I. Johnston 1917-6-5 1239 Riverside Hills south of Arlington 365 Comment
  UC68957  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5841 Riverside near Salton; Colorado Desert -45 Comment
  SDSU3682  Bernardia myricifolia D. R. Harvey 1936-1-2 1824 Riverside About 1 miles SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  CSUSB939  Bloomeria crocea John Milbauer 1976-5-12 Riverside Pigeon Pass Road. Comment
  POM229453  Boechera californica P. A. Munz 1937-5-30 15085 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  UC1136568  Boerhavia coccinea H. S. Yates 1937-6-28 6729 Riverside Palm Springs San Jacinto Quad., Palm Springs Comment
  UCR123826  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  SD255217  Boerhavia coulteri Duncan S. Bell 2015-9-30 8653 Riverside Santa Rosa Mountains; summit area of Asbestos Mountain. 1573 Comment
  SBBG93063  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range, 680 Comment
  UCR83433  Boerhavia triquetra A. C. Sanders, P. J. MacKay, L. Lubinsky 1994-10-30 15854 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  JOTR32411  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 3 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
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May 18 2013
  RSA0076343  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40402 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  CLARK-A1528-639  Boisduvalia glabella Ruth Cooper 1941-6-8 75 K Riverside Sun City Comment
  SEINET7249055  Boraginaceae Dave Silverman, A. C. Sanders, Jeanette Duffels, Richard Dwerlkotte, Tammie Beyerl 2010-1 Riverside Comment
  RSA0093776  Bouteloua aristidoides Duncan S. Bell 2015-9-30 8678 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  JOTR30300  Bouteloua aristidoides var. aristidoides Andre, Jim, Tasha La Doux 2007-9-6 8706 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UCR198196  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  SEINET3221555 Image available Bouteloua barbata E. R. Blakley 1961-9-12 4713 Riverside Pinyon Flat, Palms to Pines Highway Comment
  JOTR35094  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3545 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  SD7572  Bowlesia incana unknown 1882-4-23 Riverside Temecula Rancheria (mak 2/07) Comment
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Mar 25 2015
  UCR116662  Bowlesia incana A. C. Sanders, Carolyn Washburn 2001-5-10 24236 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR241789  Bowlesia incana A. C. Sanders, Timothy W. Chumley 2013-3-29 40714 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. near bridge over Temescal Wash between Temescal Canyon Rd. and I-15 Fwy 380 Comment
  OBI4180  Brandegea bigelovii Robert F. Hoover 1966-10-15 10170 Riverside Dead Indian Cyn Comment
  RSA796094  Brandegea bigelovii Duncan S. Bell 2009-4-20 308 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 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
  SEINET8550766  Brandegea bigelovii R. H. Peebles, H. F. Loomis 1930-4-6 121 Riverside Shaver's Well. Comment
  UCR3211  Brassica geniculata V. L. McFarland 1964-3-30 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, vacant lot south of Blaine St., east of Utah Ave. Comment
  UCR99788  Brassica geniculata Julie A. Greene, S. D. White 1993-7-5 1394 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  RSA0045157  Brassica geniculata Andrew Haimov, April Sleigh 1992-5-7 81 Riverside West side of Davis Road, 2 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  UCR85644  Brassica nigra A. C. Sanders 1993-4-5 13692 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UC1929782  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside SANTA ROSA MOUNTAINS: Desert slope; Hwy 74 near Carrizo Creek crossing. Comment
  CAS-BOT-BC106178  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside Dry hills at north end Perris Blvd., Sunnymead. 609 Comment
  RSA695645  Brickellia incana J. Russell Bruff 1927-11-26 26 Riverside 10 miles north of Cottonwood Springs Comment
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Sep 20 2011
  UCR17646  Brickellia incana Hap Ritter, Paul Mack 1976-5-18 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., Red Cloud Wash [Mine] Road 549 Comment
  CLARK-A1528-6888  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside San Jacinto River 426 Comment
  SD90488  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Santa Rosa Plateau, Rancho California, Mesa de Colorado, grassy area east of large vernal marsh. 625 Comment
  UCR35294  Brodiaea terrestris subsp. kernensis L. B. Ziegler 1969-7-1 386 Riverside San Jacinto Mtns, Meadows of May Valley, Upper Herkey Creek 1616 Comment
  RSA559320  Bromus arenarius Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-13 7367 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  RSA0037319  Bromus carinatus John F. Emmel 1993-5-30 1263 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  CAS-BOT-BC149307  Bromus carinatus var. carinatus Ralph Hoffmann 1929-9-8 s.n. Riverside Mount San Jacinto. 1828 Comment
  UCD58397  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside One mile north of Riverside. Comment
  CLARK-A1528-4535  Bromus diandrus John C. Roos 1952-4-9 5474 Riverside Riverside 259 Comment
  UCR147663  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA701742  Bromus grandis Steve Boyd, Valerie Soza 2004-6-22 11539 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  UCSB18533  Bromus madritensis subsp. rubens Winn, Will 1963-5-4 Riverside County Hwy R-1, 13.3 mi N of Lake Fillmore 853 Comment
  RSA5229  Bromus marginatus C. B. Wolf 1932-8-5 3949 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  RSA757744  Bromus rubens LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4350 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR104076  Bromus rubens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20639 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
  UCR171953  Bromus rubens John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR234328  Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, major culvert/wash crossing along Temescal Cyn. Rd., near Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 323 Comment
  UCR214683  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37668 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  UCR9533  Broussonetia papyrifera O. F. Clarke 1970-7-27 s.n. Riverside Riverside, residential garden of Mrs. Luther J. Tobias, 4460 7th Street Comment
  JEPS54857  Caesalpinia virgata H. M. Hall 1905-4-1 5779 Riverside 7 mi. w. Coachella; Colorado Desert Comment
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Sep 11 2011
  POM28931  Caesalpinia virgata Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA697937  Caesalpinia virgata J. R. Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  UC1128934  Caesalpinia virgata H. S. Yates 1936-4-7 5447 Riverside 8 mi. n. Mecca; Thermal Quad. Comment
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Dec 24 2010
  CAS-BOT-BC438489  Calandrinia ciliata Steve Boyd 1986-4-2 1607 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 640 Comment
  UCR92780  Calandrinia ciliata Scott D. White 1994-3-29 1945 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR49227  Calandrinia ciliata var. menziesii Steve Boyd 1986-4-2 1607 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA167551  Calliandra eriophylla R. F. Thorne, Robert L. Rutherford 1964-4-12 33666 Riverside Along Hwy 60, south of Ford Dry Lake, west of Blythe. Comment
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Feb 22 2014
  RSA234033  Callitriche marginata R. F. Thorne, E. W. Lathrop 1969-5-19 37957 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  UCSB246  Calocedrus decurrens White, Arthur 1960-5-14 Riverside At side of road between Banning and Idyllwild, 14.2 mi. s. of Hwy. 70 and 99 1676 Comment
  POM12709  Calochortus invenustus Philip A. Munz 1922-6-27 5856 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  UC218104  Calochortus invenustus P. A. Munz 1922-6-27 5856 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  UCR16061  Calochortus plummerae Loretta Bates 1978-6-10 s.n. Riverside San Bernardino Mtns, Cherry Valley exit off Hwy I-10 Comment
  UCR297  Calochortus splendens Frank C. Vasek 1955-5-14 228 Riverside Peninsular Range, [Wolf Valley], 8 miles north of Pala on S16 366 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
  RSA689609  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-27 9412 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  POM98995  Calycoseris parryi E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  SD124513  Calyptridium monandrum J. Sauer, Hart Walter 1980-5-17 6095 Riverside San Jacinto Mountains; near Lake Fulmor. Comment
  UCR202234  Calyptridium monandrum Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR261169  Calyptridium monandrum A. C. Sanders, Katie Young, John Hale 2015-4-22 41597 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR86876  Calyptridium monandrum A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16242 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  SDSU17443  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 375 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 10 meters west of sign marking high point, in sandy opening among boulders. 3292 Comment
  UCR256757  Calystegia macrostegia subsp. arida T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7891 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UC1123622  Calystegia macrostegia subsp. tenuifolia R. St. John 1931-1-29 179 Riverside Elsinore , Plot 52 (Plot 52) Comment
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Nov 25 2010
  UCR259206  Camissonia Mitch Provance 2012-4-23 412- 13 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  RSA786546  Camissonia bistorta Mary Sauls 1978-4-15 115 Riverside 0.5 mi S of Glen Eden Road on Calif. Hwy 71. Comment
  UCR116915  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23956 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  SEINET3093091 Image available Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 Riverside Chuckwalla Valley; 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR249504  Camissonia brevipes T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7288 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
  RSA137350  Camissonia californica David Gregory 1958-4-11 2 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  SEINET7072826  Camissonia californica A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  RSA454756  Camissonia campestris subsp. campestris E. Mannatt 1931-4-19 18744 Riverside Hemet Comment
  CLARK-A1656-663  Camissonia cardiophylla Lois Ann Scott 1978-12-1 Riverside San Jacinto Mountains 152 Comment
  CLARK-A1528-659  Camissonia cardiophylla subsp. cardiophylla Ronald K. Pidot 1962-3-23 Riverside Mecca Comment
  CAS-BOT-BC154112  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  POM14040  Camissonia claviformis subsp. aurantiaca P. A. Munz 1922-4-14 4994 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM6848  Camissonia claviformis subsp. aurantiaca P. A. Munz, L. T. Street, G. Williams 1919-3-27 2353 Riverside Salton Sea Comment
  RSA682857  Camissonia claviformis subsp. aurantiaca Scott D. White 2003-3-20 8829 Riverside Coachella Valley: Immediately north of the I-10 / Jefferson Av. freeway interchange. 12 Comment
  RSA186793  Camissonia confusa Peter H. Raven 1962-4-28 17471 Riverside Reche Canyon, 7.0 miles south of Barton Road, Loma Linda 579 Comment
  UCR84586  Camissonia confusa Scott D. White, S. Ogg 1994-4-21 2011 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR199921  Camissonia hirtella Scott D. White, Justin Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  RSA448993  Camissonia pallida N. R. Zabriskie, Walter Zabriskie 1973-4-25 646 Riverside Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. (site 22) 915 Comment
  POM259680  Camissonia pallida subsp. hallii P. A. Munz 1940-3-22 15660 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA113833  Camissonia pallida subsp. hallii Harlan Lewis 1957-4-5 1682 Riverside Colorado Desert, Morongo Canyon. Comment
  POM86362  Camissonia pallida subsp. pallida Anstruther Davidson 1926-3-1 3613 Riverside Colorado Desert. Comment
  RSA314653  Camissonia pallida subsp. pallida Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55417 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA339675  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1980-5-28 54218 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA162861  Camissonia strigulosa J. D. Olmsted 1959-4-10 348 Riverside Along Hwy. 60-99 [Hwy 10] near Cabazon; Mt. Range: San Gorgonio Pass; Drainage area: Whitewater River. 671 Comment
  RSA495787  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2886 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR18396  Camissonia strigulosa A. C. Sanders 1978-5-20 465 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR87658  Camissonia strigulosa A. C. Sanders 1994-5-29 14571 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UC56468  Camissoniopsis bistorta H. M. Hall April, 1902 2918 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR265606  Camissoniopsis hirtella Jordan Zylstra 2014-3-18 14009 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  CDA20469  Cannabis indica R. W. Schaffer 2004-3-18 PDR 1262001 Riverside Southern California; Ave 44 & Dillon in Indio. 0 Comment
  RSA511358  Cardamine californica var. integrifolia B. Pitzer, E. Misquez 1988-3-20 670 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  UC837260  Carex P. A. Munz 1922-7-6 6040 Riverside summit San Jacinto Peak 3291 Comment
  POM289945  Carex alma Lyman Benson 1932-3-26 3165 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
  POM1458  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR150985  Carex heteroneura var. heteroneura L. C. Wheeler 1961-6-20 7896 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  CAS-BOT-BC31692  Carex mariposana H. M. Hall 1901-7-1 2416 Riverside San Jacinto Mountains, among rocks near the Summit 3291 Comment
  POM1486  Carex praegracilis Phillip A. Munz 1918-4-27 2132 Riverside Elsinore Comment
  RSA0012651  Carex praegracilis LeRoy Gross, Caitlin Elam 2013-5-14 6078 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
  SEINET12950760  Carex praegracilis D. E. Bramlet, P. Jacks, S. Goode 1989-4-5 1796 Riverside Perris-Aguanga Basin Region: Shipley Multi-species Reserve. Blue-line stream on the eastern flank of Bachelor Mtn., 700 ft north of the existing access road & 3,600 ft. W of Rawson Canyon.(Bachelor Mountain 7.5') 469 Comment
  RSA422123  Castela emoryi Anstruther Davidson s.n. Riverside Between Shaver's Well and Desert Center. Comment
  RSA516557  Castilleja affinis R. C. Bacigalupi, J. F. MacBride, Ruth D. Sanderson, C. Leroy Custer 1952-3-30 3550 Riverside On west-facing gentle hillslope among sparse chaparral, along Calif. Highway No. 71. between Wildomar and Murrieta, 2.6 mi. N. of Murrieta, 396 Comment
  SD70378  Castilleja affinis L. R. Heckard 1953-5-5 388 Riverside Along California highway 79, 5.7 miles south of Hemet, at edge of hills Comment
  UCR269903  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3660 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR281280  Castilleja exserta Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 20 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UC26426  Castilleja foliolosa Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA526169  Castilleja minor subsp. spiralis Steve D. Boyd, Tim S. Ross 1990-5-11 4672 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SBBG66948  Castilleja minor subsp. spiralis R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UC885469  Castilleja minor subsp. spiralis I. W. Clokey and E. G. Anderson 1935-8-21 6902 Riverside North Fork San Jacinto River 1500 Comment
  CDA6525  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region; Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. Comment
  RSA0123359  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9045 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR20735  Caulanthus heterophyllus A. C. Sanders, Steve Boyd 1980-5-2 1396 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR68333  Caulanthus heterophyllus R. Montijo 1991-4-18 91- 2 Riverside Peninsular Range, south of Lake Matthews, Ona Knoll Dr. c. 1 mi south of Cajalco Rd. 640 Comment
  UCR97481  Caulanthus heterophyllus John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, Chino (Tramway) Canyon, along both sides of road. 500 Comment
  SBBG101792  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6123 Riverside Vail Lake region, summit of Oak Mtn, N of lake near Henderson Benchmark Comment
  UCR217507  Caulanthus simulans Jeff B. Galvin 2009-4-14 83 Riverside Perris-Aguanga Basin, Duranso Valley, 2.5km east of Bonny Lane 1367 Comment
  RSA0026296  Caulanthus simulans John F. Emmel 1991-4-28 1166 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA3118  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA552487  Ceanothus crassifolius Steve Boyd 1992-2-21 6667 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  SD2995  Ceanothus crassifolius Edmund C Jaeger 1925-12-23 Riverside Aguanga 3200 Comment
  RSA0031880  Ceanothus divaricatus var. eglandulosus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA297381  Ceanothus greggii var. perplexans Larry E. DeBuhr 1972-3-24 534 Riverside Santa Rosa Mountains. San Bernardino National Forest; along forest road 7S02. 1677 Comment
  SD82811  Ceanothus greggii var. perplexans R. S. Woglum 1937-5-22 577 Riverside Santa Rosa Mountains Comment
  OBI78290  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts Santiago Peak, N side 1/2 mi from summit Comment
  POM305701  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1038 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCD112269  Ceanothus leucodermis R. S. Woglum 1941-6-12 3058 A Riverside Idylwild. Comment
  UCD162843  Ceanothus leucodermis D. O. Burge 2015-3-17 1693 Riverside Rainbow area. 410 Comment
  RSA0019585  Ceanothus leucodermis Toppenberg 1961-5-12 s.n. Riverside Hwy to Idyllwild, Beaumont side. Comment
  POM13851  Ceanothus oliganthus P. A. Munz 1922-4-28 5034 Riverside Leach Canyon. Small canyon. 610 Comment
  RSA262095  Ceanothus oliganthus E. W. Lathrop 1971-3-24 7467 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR92190  Ceanothus oliganthus subsp. oliganthus D. L. Banks, Steve Boyd 1995-3-16 0099 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  RSA673494  Ceanothus oliganthus var. oliganthus Scott D. White, Sandy Leatherman 2000-4-19 7659 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  RSA192053A  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1965-3-30 5592 Riverside 16 miles west of Murrieta. Comment
  RSA77341  Ceanothus tomentosus var. olivaceus F. W. Peirson 1922-4-30 2941 Riverside St. John's Grade, Baustista Creek, south of Hemet. 762 Comment
  RSA126838  Cenchrus spinifex H. S. Yates 1937-6-28 6741 Riverside Near Indio. 30 Comment
  UC30938  Centaurea melitensis Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR201432  Centaurea melitensis Scott D. White, Justin M. Wood 2008-6-17 12174 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR80663  Centaurea repens G. R. Ballmer 1992-6-23 92- 9 Riverside San Timoteo Canyon, 3.2 mi SE of Redlands Blvd. Comment
  RSA391497  Centaurium venustum N. C. Cooper 1944-5-6 2648 Riverside Whitewater Canyon. 457 Comment
  SEINET7067556  Centaurium venustum A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  UCR217565  Centromadia pungens subsp. laevis Jeff B. Galvin 2008-5-23 49 Riverside Gavilan Plateau, Harford Springs County Park. 800 m east of Gavilan Road, near dirt trail 600 Comment
  UCR281838  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2017-8-12 17- 384 Riverside Perris-Aguanga Basin, city of Temecula, along the levee of Murrieta Creek, north side of Diaz Road, at Remington Avenue 327 Comment
  CAS-BOT-BC354343  Centromadia pungens subsp. pungens R. E. Riefner, Jr. 2012-7-23 12 -321 Riverside City of Hemet, ca 100 yds N of W. Devonshire Ave. and Meyers St. 473 Comment
  VVC205  Cercidium floridum F. Ambrey 1959-4-24 s.n. Riverside S Calif., West side of rd. 17.7 mi E of Mecca on State Hwy 195 at east end of Box Cyn. 445 Comment
  UC472708  Cercidium floridum subsp. floridum M. F. Spencer 1918-4-1 Riverside Palm Springs Colorado Desert Comment
  UCR133614  Cercocarpus betuloides I. W. Clokey, E. G. Anderson 1935-4-16 6732 Riverside San Jacinto Mtns., east of Hemet 600 Comment
  UC1127850  Cercocarpus betuloides var. betuloides R. St. John 1929-3-27 18 Riverside Snow Creek 914 Comment
  HSC94216  Cercocarpus montanus var. macrourus D. Atwood 1993-3-26 17683 Riverside Santa Ana Mtns., 4.8 mi. S of Lake Elsinore along Hwy. 74 808 Comment
  CAS-BOT-BC279537  Chaenactis artemisiifolia Edmund C. Jaeger 1932-5-12 s.n. Riverside Aguanga 600 Comment
  RSA0106710  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2010-4-9 781 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  SBBG65660  Chaenactis carphoclinia M. N. Ackley -Feb-1926 254 Riverside near Edom 64 Comment
  UCD130230  Chaenactis carphoclinia C. L. Hitchcock 1966-3-20 24314 Riverside 5 miles north of Milpitas Wash and 12 miles northwest of Blythe-Glamis Road. Comment
  UCR104818  Chaenactis carphoclinia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2732 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR166870  Chaenactis carphoclinia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UC724353  Chaenactis carphoclinia var. carphoclinia Aven Nelson, Ruth A. Nelson 1939-3-29 3324 Riverside Hidden Springs Canyon; near Palm Grove Comment
  CAS-BOT-BC276908  Chaenactis fremontii Carl B. Wolf 1937-5-4 8526 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash, 1 mile below San Bernardino County line 609 Comment
  JEPS30922  Chaenactis fremontii P. Stockwell 1940-4-24 1504 Riverside 1 mi e of Cabazon Comment
  RSA0047253  Chaenactis fremontii J. Mark Porter, Leigh A. Johnson 1997-3-10 11464 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  RSA151072  Chaenactis fremontii Peter H. Raven 1962-4-7 17114 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  SBBG7876  Chaenactis fremontii C. H. Muller 1952-4-5 9496 Riverside White Water Cyn, ca. 1 mi above White Water Comment
  UC1119693  Chaenactis fremontii H. S. Yates 1937-3-23 6417 Riverside near White Water; San Jacinto 304 Comment
  UCR213904  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-22 12910 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  POM19631  Chaenactis glabriuscula var. glabriuscula Mary F. Spencer 1923-6-16 2162 Riverside Idyllwild, San Jacinto Mts 1646 Comment
  RSA495451  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2979 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
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Oct 4 2007
  SD237305  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Santa Ana Mountains: Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers, near concrete wildlife drinker. 1039 Comment
  UC55096  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3800 Riverside vicinity of Riverside 426 Comment
  UCR102873  Chaenactis glabriuscula var. glabriuscula A. C. Sanders 1997-3-26 20118 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR121082  Chaenactis glabriuscula var. glabriuscula A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24968 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR96798  Chaenactis glabriuscula var. glabriuscula G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UCD130392  Chaenactis stevioides G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2722 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  UCD20139  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -7 Riverside 20.6 miles east of Amboy Road on Twentynine Palms Hwy, going towards Vidal Junction. 11.8 miles east of Amboy turnoff. Comment
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Apr 21 2013
  RSA793471  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  SEINET3365544  Chamaesyce abramsiana G. Rink 2011-10-8 11079 Riverside East of the McCoy Mountains, northwest of Blythe, in a swale that sometimes holds water 170 Comment
  JOTR34213  Chamaesyce albomarginata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3005 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  RSA793559  Chamaesyce micromera Duncan S. Bell 2012-9-13 4175 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SEINET3102113  Chamaesyce micromera Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17457 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  RSA0104636  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7662 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  JOTR32633  Chamaesyce serpillifolia subsp. serpillifolia La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2556 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA232933  Chamaesyce setiloba L. S. Rose 1967-12-19 s.n. Riverside La Quinta. 15 Comment
  UC750618  Chamaesyce setiloba Lewis S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash 182 Comment
  UCR261104  Cheilanthes clevelandii Joseph Cahill 2011-1-8 111- 06 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UC708735  Cheilanthes covillei H. K. Wagnon 1944-3-8 310 Riverside 1/4 mi s Trading Post (along w side of stream); Palm Canyon Comment
  CAS-BOT-BC70295  Cheilanthes newberryi Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  IRVC3131  Cheilanthes newberryi Charley Ford 1965-4-20 HS 0583 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  POM49010  Cheilanthes newberryi Stephen Grout, Stephen Grout 1901-07 s.n. Riverside Mt. Rubidoux. Comment
  RSA667021  Cheilanthes newberryi Scott D. White, Dave Bramlet 1999-4-22 7235 Riverside Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  RSA685787  Cheilanthes newberryi May N. Ackley 1922-03 175 Riverside Murrieta Hot Springs 399 Comment
  UCSB38682  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  CAS-BOT-BC70366  Cheilanthes viscida G. H. Dunn 1881-3-1 s.n. Riverside Whitewater Comment
  CAS-BOT-BC70382  Cheilanthes viscida J. G. Lemmon April - May 4 Riverside Downieville Buttes and bluffs of White Water River on the Colorado Desert Comment
  RSA0014459  Chenopodium Justin M. Wood, J. Miner 2010-4-29 1532 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  RSA781298  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  RSA478501  Chenopodium californicum Dorothy Cowper 1973-1 7306 Riverside Near Palms to Pines highway, southeast portion of Garner Ranch, Garner Valley. 1373 Comment
  RSA750735  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA78287  Chenopodium fremontii P. A. Munz, E. K. Balls 1952-8-21 17968 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  OBI70667  Chenopodium hians Louis C. Wheeler 1945-10-6 6138 Riverside San Jacinto Mts. head of W fork of Snow Crk. T4S R2E sec 12 2377 Comment
  RSA629022  Chenopodium murale Scott D. White 1998-6-28 6799 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  RSA751276  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR119261  Chenopodium pumilio Mitch Provance 1998-6-9 632 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR125282  Chenopodium pumilio A. C. Sanders 2002-11-21 25650 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CDA3099  Chenopodium strictum Mitch Provance 2000-11-2 2296 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  RSA248048  Chilopsis linearis subsp. arcuata C. W. Tilforth 1973-5-30 43577 Riverside Colorado Desert: Mouth of Morongo Valley at N. end of Coachela Valley 549 Comment
  UCR261364  Chilopsis linearis subsp. arcuata A. C. Sanders, Katie Young, John Hale 2015-4-22 41610 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  RSA620350  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area: large clay patch adjacent to the Skinner entrance road, ca. 1 km NE of Borel Road. (33 deg 34'30N, 117 deg 02'W; Bachelor Mt. 7.5 Quad: T7S R1W center of SW/4 Sec.7) Alt. 473 m/1550 ft. 473 Comment
  RSA727605  Chloris virgata R. E. Riefner 2006-9-19 06 -447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek. 301 Comment
  UC1131367  Chloris virgata H. S. Yates 1937-6-28 6740 Riverside near Indio; Thermal Quad. Comment
  UCR245230  Chorizanthe brevicornu var. brevicornu Jim Andre 2012-3-19 21319 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  CAS-BOT-BC191853  Chorizanthe corrugata Carl B. Wolf 1932-4-29 3096 Riverside Eastern Colorado Desert. W edge of Maria Mts. 17 mi from Blythe on Rice Road 152 Comment
  RSA0107851  Chorizanthe corrugata Duncan S. Bell, Amanda Turek 2009-3-30 165 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  UCD84932  Chorizanthe corrugata Chuck Hughes 2010-3-22 204 Riverside About 10.4 miles south of Highway 62, next to railroad tracks. 248 Comment
  UCR167414  Chorizanthe corrugata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CLARK-A1528-3599  Chorizanthe fimbriata John C. Roos 1937-4-23 1807 Riverside White Water Comment
  CAS-BOT-BC252781  Chorizanthe parryi var. parryi C. Epling; Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash near Banning Comment
  POM122120  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA674608  Chorizanthe parryi var. parryi Scott D. White, Tasha La Doux 2000-6-16 8011 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  RSA679814  Chorizanthe parryi var. parryi LeRoy Gross, Valerie Soza 2003-5-8 834 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR217512  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-8 043 Riverside Peninsular ranges, Santa Ana Mtns, Santa Rosa Plateau, Sylvan Meadows, along Stevenson Trail 600 Comment
  UCR217536  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-15 421 Riverside Peninsular Range: Santa Ana Mts, West side of San Mateo Canyon, near Oak Flats 746 Comment
  OBI8369  Chorizanthe rigida David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12254 Riverside Along Box Canyon Rd ca 17 mi ENE of Mecca in Orocopia mts 213 Comment
  RSA0031016  Chorizanthe rigida Jim Andre 2013-3-27 24805 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  SEINET9809164 Image available Chorizanthe wheeleri Sharon J. McCormick 1976-5-24 Riverside Santa Cruz Island, Channel Islands, Wash near field station Comment
  LA84233  Chorizanthe xanti O. H. Kappler; 1948-4-18 1650 Riverside Whitewater, western Colorado Desert 548 Comment
  RSA0004914  Chorizanthe xanti var. leucotheca Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 305 Comment
  SEINET10445990 Image available Chorizanthe xanti var. leucotheca Marc A. Baker 2015-4-14 18317 Riverside San Gorgonio Pass, 4.2km east of the San Gorgonio River, 28km WNW of Palm Springs 640 Comment
  CAS-BOT-BC36264  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak, between 1st and 2nd wet meadow 2743 Comment
  RSA607248  Chrysothamnus nauseosus subsp. consimilis R. S. Woglum 1937-10-20 1199 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  JEPS121571  Chylismia cardiophylla subsp. cardiophylla Adam C. Schneider with Will Freyman 2014-2-16 384 Riverside Box Canyon Road. Comment
  UC1122151  Chylismia cardiophylla subsp. cardiophylla H. S. Yates 1937-3-23 6428 Riverside Painted Canyon Thermal Quadrangle Comment
  CDA37653  Chylismia claviformis M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  SFV16005  Chylismia claviformis D. C. Joyner, K. M. Joyner 1994-4-30 19 Riverside Mojave Desert Palm Springs. Abandoned lot near 1260 South Palm Canyon Road. 135 Comment
  JOTR33760  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2758 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
  SD187441  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1424 Riverside Northeastern Colorado Desert region; along Palen Road near Highway 177. 170 Comment
  UC1184360  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside 5.5 mi se Painted Canyon turnoff; Box Canyon Comment
  CAS-BOT-BC289647  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mile up road toward summit of Mount Santa Rosa, San Jacinto Mountains Comment
  UCR47056  Cirsium occidentale var. occidentale E. J. Lawlor 1987-4-26 43 Riverside San Timoteo Badlands, Redlands Blvd, 2.2 mi. north of Hwy 60 640 Comment
  UCR27069  Cirsium scariosum T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
  RSA709866  Cistanthe ambigua Scott D. White, Jennifer H. Jones 2005-4-21 10943 Riverside Eastern Coachella Valley. Bajada beneth Mecca Hills, just east of Coachella Canal. Proposed for expanded gravel mining. 24 Comment
  RSA329670  Cistanthe monandra Gary D. Wallace 1966-3-26 250 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  RSA747969  Cistanthe monandra Justin M. Wood 2009-5-11 685 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  POM48378  Cistanthe monosperma Mary F. Spencer 1919-7-6 1264 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  UCR142037  Citrullus lanatus var. citroides Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley, north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills 255 Comment
  UCR133429  Clarkia dudleyana Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 206 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR174560  Clarkia dudleyana Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 101 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR251871  Clarkia dudleyana M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  CAS-BOT-BC171994  Clarkia epilobioides John Thomas Howell 1931-5-30 6591 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  CAS-BOT-BC171995  Clarkia epilobioides E. W. Lathrop 1966-6-1 6361 Riverside Tenaja Range, Fisherman's Creek Camp Comment
  RSA585517  Clarkia epilobioides D. L. Banks, Steve D. Boyd 1995-5-9 381 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
  RSA692247  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-5-27 9404 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UC1422887  Clarkia rhomboidea Raven 1957-7-26 11085 Riverside 0.9 mi n Vista Grande Ranger Station (Banning to Idyllwild road, 1.9 mi s of road to Poppet Flat); San Jacinto Mountains Comment
  UCR178964  Clarkia rhomboidea Mitch Provance, Tracy Tennant 1998-6-16 MOR- 395 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  CAS-BOT-BC165496  Clarkia unguiculata E. H. Daniels; J. Bates 1932-5-28 s.n. Riverside Near Idyllwild, San Jacinto Mountains 1524 Comment
  JEPS43332  Claytonia parviflora subsp. viridis C. V. Meyer Jun 1927 187 Riverside Saunder's Meadows; San Jacinto Mts. Comment
  RSA561520  Clematis ligusticifolia Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7676 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA650481  Clematis ligusticifolia C. J. Humphrey 1936-6-7 84 Riverside [No location data on label] Comment
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Dec 15 2011
  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
  UCR121329  Clematis pauciflora A. C. Sanders, Mark Elvin, Julie M. 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
  UCR281276  Clematis pauciflora Mitch Provance, Jeremiah George 2017-3-21 317- 11 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  POM230623  Cleome isomeris I. W. Clokey 1935-4-17 6641 Riverside Cottonwood Springs. Comment
  UCR232358  Cnicus benedictus John F. Green 2008-4-16 A- 02 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA618415  Cnicus benedictus D. L. Banks 1997-5-5 1961 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  LA36246  Coleogyne ramosissima Elizabeth McClintock; 1946-5-4 sn Riverside Joshua Tree National Monument, Los Horse Well Comment
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Feb 23 2014
  UCR60256  Collinsia concolor Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3170 D Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UC1523679  Collinsia heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau, Cleveland National forest Cleveland National forest; Santa Rosa Plateau, Cleveland National forest 609 Comment
  UC26636  Collinsia parviflora H. M. Hall May 1901 1810 Riverside in vicinity of Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 1600 Comment
  RSA791581  Colubrina californica D. Silverman, M. Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km west of Black Creek Road, 5.8 km northeast of McCoy Peak, and 7 km north of I-10. 195 Comment
  CDA35599  Condalia globosa var. pubescens Robert Cowell 1959-5-4 Riverside North of Bradshaw Stage Road, ca. 3/4 mile east of the Imperial Gas Line road, between Chocolate and Chuckwalla Mtns. 0 Comment
  UCR48363  Convolvulus simulans Steve Boyd 1986-5-1 1810 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  CLARK-A1528-195  Conyza bonariensis C. M. Flanagan 1973-5-31 OO 619 Riverside Morongo Indian Reservation 1158 Comment
  POM10308  Conyza bonariensis Anonymous s.n. Riverside Riverside Comment
  UCR106913  Conyza canadensis D. L. Banks 1996-11-5 1178 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  RSA741599  Conyza floribunda Justin M. Wood 2008-9-22 164 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM355979  Coreopsis bigelovii Ora M. Clark 1929-3-17 1709 Riverside NW Whitewater, Colorado Desert. Comment
  RSA450483  Corethrogyne filaginifolia J. C. Roos 1965-8-19 s.n. Riverside Beaumont. Comment
  SD186148  Coronopus didymus A. C. Sanders, E. J. Lawlor and Don Pendleton 1992-3-21 12073 Riverside Oasis Date Garden, 4.4 miles north of Mecca on Highway 111, near Ave. 59. -43 Comment
  SBBG12462  Coryphantha alversonii H. and M. Dearing 1942-4-8 4873 Riverside 30 mi N of Blythe, Riverside Mtns Comment
  SD68949  Crassula aquatica Robert F. Thorne, E. Lathrop, et al. 1968-4-18 37460 Riverside Santa Rosa Plateau, on Mesa de Colorado, Rancho California. 669 Comment
  RSA678342  Crassula connata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10479 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
  UCR150443  Crassula connata John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR171901  Crassula connata John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR111566  Crassula tillaea Mitch Provance 1999-5-4 1690 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM182213  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA771029  Crossosoma bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4536 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA429  Croton californicus J. T. Howell 1928-7-9 1060 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  UC1979558  Croton californicus Darin L. Banks, Steve Boyd 1995-5-3 275 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  POM87124  Croton californicus var. mohavensis Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA480581  Croton californicus var. mohavensis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
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Dec 4 2011
  UC1010304  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside river bottomland 1 1/2 mi se Perris; San Jacinto River 426 Comment
  POM13681  Cryptantha angustifolia E. C. Jaeger 1922-3-18 1029 Riverside Painted Canyon, Riverside County Comment
  SD126017  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palms Canyon Comment
  UCR213257  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37425 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
  UCR214697  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37517 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  POM368195  Cryptantha angustifolia Anonymous s.n. Riverside Colorado Desert. Comment
  POM368279  Cryptantha barbigera Ora M. Clark 1929-2-23 s.n. Riverside North Whitewater., 35 deg 55 30 N 116 deg 38 15 W Comment
  RSA314620  Cryptantha barbigera R. F. Thorne, Drs Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55418 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UC1329937  Cryptantha barbigera James E. Cole 1941-6-16 917 Riverside Live Oak Park Joshua Tree National Monument 1219 Comment
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Dec 6 2014
  UC1563064  Cryptantha barbigera Steve Boyd, Thomas S. Elias, and Erika Winter 1986-2-18 1330 Riverside Box Canyon, along Hwy 195 Colorado Desert, Mecca Hills Comment
  UCR132755  Cryptantha barbigera George K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UCR137634  Cryptantha barbigera var. fergusoniae George K. Helmkamp 1998-2-5 2645 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  SEINET3100711  Cryptantha costata G. Rink, M. Honer, K. Christie 2012-3-19 11083 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  RSA32420  Cryptantha intermedia N. C. Cooper 1944-4-21 1097 Riverside Banning 701 Comment
  RSA748591  Cryptantha intermedia Scott D. White, Justin M. Wood 2009-4-28 12611 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR47759  Cryptantha intermedia F. R. Fosberg 1929-5-3 S- 01058 Riverside Peninsular Range, Temecula River, c. 10 mi above Temecula Comment
  SDSU21786  Cryptantha juniperensis A. C. Sanders, Helen Kennedy 2005-4-15 29505 Riverside South Coast: Batiquitos Lagoon Ecological Reserve, just N of the Leucadia, north side of the mouth of the lagoon between the railroad crossing and Carlsbad Blvd. 8 Comment
  RSA774928  Cryptantha maritima Duncan S. Bell 2011-4-7 2164 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  SBBG104070  Cryptantha maritima A. C. Sanders, E. J. Lawlor 1992-4-4 12103 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  UC1051659  Cryptantha micrantha Peter Kamb 1950-7-9 1908 Riverside Hall Canyon San Jacinto Mountains 1645 Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR110966  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4096 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR116628  Cryptantha micrantha var. micrantha A. C. Sanders 2001-3-20 23845 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR158712  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30005 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
  UCR104886  Cryptantha microstachys A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20647 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
  UCR133655  Cryptantha microstachys Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR77591  Cryptantha microstachys Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6134 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  SBBG118556  Cryptantha muricata L. Gross with V. Soza 2003-5-8 832 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UC24693  Cryptantha muricata H. M. Hall Jul 1901 2250 a Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  UCR264742  Cryptantha muricata Steve Boyd, Valerie Soza 2004-6-22 11544 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA0079104  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2010-4-2 703 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  RSA0079106  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2011-4-7 2183 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  RSA0079492  Cryptantha pterocarya var. stenoloba Duncan S. Bell 2011-4-7 2177 A Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  UCR214870  Cryptantha pterocarya var. stenoloba A. C. Sanders 2010-3-15 37401 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA0041943  Cryptantha racemosa Duncan S. Bell, Loraine Washburn 2014-4-10 6592 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  RSA0014935  Cryptantha simulans LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6151 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  CDA42234  Cucurbita foetidissima T. C. Fuller 1958-9-23 3926 Riverside 3 miles east of Anza. 0 Comment
  RSA697190  Cucurbita palmata J. R. Bruff 1929-11-29 434 Riverside Split Rock.- Colo Desert. Comment
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Oct 23 2011
  POM3644  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA388505  Cuscuta californica Steve Boyd 1986-5-1 1811 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UC23241  Cuscuta californica unknown 1892-6-30 Riverside San Jacinto Mt. Comment
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Nov 26 2011
  POM9395  Cuscuta californica I. M. Johnston 1920-5-8 2269 Riverside Jurupa Mountains, extreme west end. Comment
  UC588120  Cuscuta denticulata Carl B. Wolf 1932-10-11 4282 Riverside Morongo Wash at the San Bernardino County line Morongo Wash 731 Comment
  CLARK-A1703-58  Cuscuta subinclusa H. A. Zuill 1966-7-4 276 Riverside Murrieta Comment
  UCR251900  Cylindropuntia echinocarpa Jim Andre 2013-3-27 24824 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  UCR26227  Cymopterus panamintensis var. acutifolius John C. Roos 1947-2-15 3243 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  RSA678503  Cynodon dactylon Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  CAS-BOT-BC113944  Cyperus odoratus Samuel B. Parish 1913-9-20 8616 Riverside In the small stream from the RR waterworks, Mecca. Salton Sink. -57 Comment
  UCR240181  Cyperus retrorsus R. E. Riefner Jr. 2005-11-23 05- 780 Riverside city of Corona, Santa Ana Canyon, below Prado Dam, Santa Ana River c. 0.5 mi southwest of 71 Fwy 135 Comment
  SD136986  Cyperus squarrosus Steve Boyd, Tim Ross 1992-5-15 7391 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon; vicinity of the junction of Tenaja and Morgan Trails; west of Round Potrero. 671 Comment
  UCR119808  Cyperus squarrosus A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  POM13346  Dalea mollis E. C. Jaeger s.n Riverside Martinez Canyon wash Comment
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Aug 29 2016
  POM8993  Dalea mollis Mary F. Spencer 1920-3-12 1491 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA779806  Dalea mollis Duncan S. Bell 2009-3-9 105 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  SEINET6656750  Dalea schottii Lewis S. Rose 1957-1-11 57029 Riverside La Quinta.; 0 15 Comment
  POM193517  Dasyochloa pulchella J. B. Feudge 1929-9-15 2026 Riverside Cottonwood Springs, Colorado Desert. Comment
  UCD65755  Dasyochloa pulchella A. A. Beetle 1942-4-22 3180 Riverside 8 miles east of Indio. Comment
  UCD65758  Dasyochloa pulchella F. M. Reed 1927-1-5 5691 Riverside Eagle Canyon, 5 miles east of Palm Springs. 228 Comment
  SEINET259017  Dasypyrum villosum B. L. Johnson G 850 Riverside CULTIVATED; Grown at: University of California Los Angeles Comment
  RSA586338  Datisca glomerata D. L. Banks, S. D. Boyd 1995-5-3 0203 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCD107685  Datisca glomerata Charles B. Fiker 1946-6-17 3601 Riverside San Mateo Canyon, Fallbrook. Comment
  RSA0124123  Datura discolor Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8738 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 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
  UCR242716  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40433 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  JEPS121574  Datura wrightii Adam C. Schneider with Will Freyman 2014-2-16 394 Riverside Box Canyon Road. Comment
  POM250364  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shaver's Well Comment
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Apr 24 2011
  POM98740  Datura wrightii Philip A. Munz 1926-1-31 9972 Riverside Dos Palmos [Palmas] Spring. Comment
  UCD126636  Datura wrightii Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55419 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. In sandy wash east of bridge and on base of W-facing slope of ridge. 411 Comment
  UCR158945  Daucus pusillus Scott D. White 1994-6-21 2084 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  CAS-BOT-BC293821  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  UCR253002  Deinandra mohavensis R. E. Riefner Jr. 2013-6-15 13- 118 Riverside Garner Valley, north side of Hwy 74 c. 0.45 mi east of Thomas Mountain Road (Forest Route 6S130), Little Thomas Mountain area 1386 Comment
  RSA0098342  Deinandra paniculata Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18378 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  UCR274535  Deinandra paniculata Mitch Provance, Ken Halama 2003-6-15 17067 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA398774  Delphinium parryi Emery M. Whilton 1938-5-15 s.n. Riverside Lake Elsinore. Comment
  RSA387359  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CAS-BOT-BC121436  Delphinium parryi subsp. parryi E. K. Balls 1949-5-4 13478 Riverside Cajalco Road, 2 miles from Corona to Elsinore Highway on road to Lake Matthews, Gavilan Hills. Comment
  SD160867  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management. Section 33 of two that comprise mitigation bank. Accessed from Wilson Valley Road. Sage 7.5 Quadrangle. Comment
  UCR268279  Delphinium parryi subsp. parryi Jim Andre 2012-6-15 30504 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UC488915  Delphinium patens subsp. montanum C. V. Meyer June 1927 190 Riverside Saunder's Meadow San Jacinto Mts. 1615 Comment
  LA45861  Dendromecon rigida A. M. Johnson; 1932-8-18 4137 Riverside San Jacinto Mountains, E side along road Comment
  UCR16440  Dendromecon rigida K. Stolte 1978-5-17 s.n. Riverside San Jacinto Mountains, Along Hwy 243, about 8 mi south of Banning, on the north side of Mt. San Jacinto Comment
  RSA516746  Dendromecon rigida subsp. rigida Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA563879  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 Riverside Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Road, between the New San Diego Aqueduct and Warren. 457 Comment
  UCR67329  Deschampsia danthonioides var. gracilis A. C. Sanders, E. Rey, D. Willick 1991-4-19 10926 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  JOTR30321  Descurainia pinnata subsp. glabra La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1766 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  POM489  Descurainia pinnata subsp. glabra I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  RSA0123288  Descurainia pinnata subsp. glabra Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9001 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
  RSA594527  Descurainia pinnata subsp. glabra D. L. Banks, Dylan Hannon 1996-5-3 1007 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  RSA651829  Descurainia pinnata subsp. menziesii Marion P. Harthill 1971-3-19 20 Riverside Palm Desert. Comment
  IRVC56  Dichelostemma capitatum subsp. capitatum Steve Gilbert 1965-4-24 HS 0100 Riverside Ortega Highway (74); Upper San Juan Creek Campground. Peninsular Ranges, Santa Ana Mountains Comment
  UCR20738  Dichelostemma capitatum subsp. capitatum A. C. Sanders, Steve Boyd 1980-5-2 1418 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR32331  Dichelostemma capitatum subsp. pauciflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2453 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  SEINET7073345  Dichelostemma capitatum subsp. pauciflorum 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
  JEPS26053  Dicoria canescens Spencer W. Brown and U. Nur 1960-2-6 Riverside 4 mi e Beaumont ( on Hwy 99) Comment
  UCR251350  Dicoria canescens S. J. Myers 2014-5-21 1061 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UC1494274  Dieteria canescens var. ziegleri J. C. Roos 1946-8-27 2920 Riverside Santa Rosa Mountain 2407 Comment
  SBBG92205  Diplacus bigelovii var. bigelovii D. F. Howe 1980-4-16 Riverside 4 mi S of Interstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  RSA0019281  Diplacus brevipes Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA0019284  Diplacus brevipes N. C. Cooper 1944-6-17 1424 -A Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA0019286  Diplacus brevipes N. C. Cooper 1944-6-16 2005 Riverside San Jacinto Mountains, west side. 1372 Comment
  CAS-BOT-BC167207  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  SBBG541  Distichlis spicata H. and M. Dearing 1936-12-25 Riverside near Thousand Palms Comment
  UC2062534  Distichlis spicata subsp. spicata Hester L. Bell 2002-3-9 257 Riverside Northern Sonoran Desert. Willis Oasis (Thousand Palms) 5.5 mi east of I-10. Comment
  JEPS52447  Ditaxis californica Marjorie D. Clary 1933-1-29 1754 Riverside Deep Canyon, Santa Rosa Mts. 15 miles northwest of Indio 243 Comment
  UCR102949  Ditaxis californica George K. Helmkamp 1998-4-4 3181 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  LA204868  Ditaxis lanceolata Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  RSA336037  Ditaxis lanceolata R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52034 Riverside Chino Canyon. Comment
  SFV17344  Ditaxis lanceolata J. D. Dilley, J. N. Hogue (109.6) 1998-4-24 279 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  UCR104601  Ditaxis lanceolata James C. Dice, C. Barrows, K. Nicol, I. Eleck 1997-11-6 97116 - Riverside Coachella Valley, La Quinta, just west of Avenida Montezuma and Calle Nogales, E foot of Indio Mtn. 61 Comment
  UCR85173  Ditaxis lanceolata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16097 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR242651  Ditaxis neomexicana A. C. Sanders, T. B. Salvato 2012-10-12 40434 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  RSA782274  Ditaxis serrata R. W. Spjut 2007-10-12 16153 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  CAS-BOT-BC43641  Dithyrea californica P. A. Munz; L. Street; I. Williams 1919-3-25 2309 Riverside Whitewater. 304 Comment
  RSA23216  Dithyrea californica Ernest Braunton 1940-01 s.n. Riverside 15 miles E of Indio. Comment
  RSA340181  Dithyrea californica R. F. Thorne 1980-5-28 54185 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UCR33814  Dithyrea californica Faulkner 1978-3-20 331 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  CAS-BOT-BC412629  Dodecahema leptoceras A. G. Vestal 1937-5-10 s.n. Riverside 7.4 mi So of Hemet Comment
  UCR11348  Downingia cuspidata G. W. Forister 1967-4-22 s.n. Riverside Peninsular Range, Menifee Valley, SE corner of jct of Hwy 395 and Newport Rd., 7.1 mi south of Perris. 436 Comment
  POM17941  Dryopteris arguta P. A. Munz 1923-6-14 7112 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  RSA596154  Dryopteris arguta Darin L. Banks 1996-11-7 1191 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  RSA783368  Dryopteris arguta J. D. Olmsted 1959-3-4 774 Riverside Saunder's Meadows near Idyllwild 1662 Comment
  SD217157  Dryopteris arguta Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6642 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  LA204779  Dudleya abramsii Joan Malloy; 1952-5-24 sn Riverside Hemet Valley, S side of road Comment
  SD67635  Dudleya abramsii P. A. Munz 1922-6-23 5788 Riverside San Jacinto Mountains; Two miles northwest of Kenworthy. 1370 Comment
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Mar 25 2011
  POM20020  Dudleya lanceolata Mary F. Spencer 1923-8-7 2200 Riverside Fern Valley 1677 Comment
  UC1506121  Dudleya lanceolata Robert T. Clausen with E. R. Clausen and H. E. Clausen 1963-4-18 63047 Riverside 10 km se Murrieta (summit of ridge s of Santa Gertrudis Creek); Transverse Ranges 390 Comment
  UC2059984  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi W of Highway I-15 . Comment
  RSA388337  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  GMDRC3987  Dudleya saxosa subsp. aloides J. Andre, T. La Doux 2006-4-26 11771 Riverside Little San Bernardino Mountains: upper Long Canyon (western drainage), growing on rocky slope in decomposed granite 1165 Comment
  RSA776823  Dudleya saxosa subsp. aloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. Comment
  SEINET3412075 Image available Echinocereus engelmannii var. engelmannii Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28522 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UCR115129  Echinochloa colona Mitch Provance 2000-10-28 2278 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  SD217180  Echinochloa crus-galli Darin L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW foothills of Dorland Mountain; along Los Caballos Road, approx. 0.5 meters south of Highway 79, 100 meters north of the Golf Course access road; along the east side of the road under the drip irrigation line to a vineyard (I(c) mile north of T8S R2W S24) 398 Comment
  UCR120338  Echinochloa crus-galli Mitch Provance 1998-7-23 930 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR119433  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23091 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA11655  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-21 5546 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  RSA85453  Elatine brachysperma J. C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs. Comment
  UC219278  Elatine californica P. A. Munz and I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley San Jacinto Mts 1386 Comment
  UC838966  Eleocharis macrostachya I. W. Clokey and E. G. Anderson 1935-8-21 6565 Riverside Hemet Lake 1320 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
  RSA356757  Eleocharis palustris Robert F. Thorne 1973-5-23 45536 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  RSA653671  Eleocharis palustris A. C. Sanders, K. C. Rose 1999-6-18 22818 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
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Mar 20 2013
  RSA741011  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-18 12228 Riverside K Flat Meadow. 1433 Comment
  RSA365356  Eleocharis parishii Anstruther Davidson 1904-5-1 1101 Riverside Palm Springs. Comment
  UCR201458  Eleocharis parishii Scott D. White, Justin M. Wood 2008-7-10 12450 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA297080  Eleocharis radicans B. A. Prigge 1980-8-5 3845 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  UCR20459  Eleusine indica John C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside, in moist clay garden 259 Comment
  SD146093  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mountains, Black Mountain Scenic Area, Black Mountain Trail between Highway 243 and Cinco Poses Trail junction 1700 Comment
  UCR122532  Elymus elymoides subsp. elymoides George K. Helmkamp, E. A. Helmkamp 2001-5-20 6680 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UC38190  Elymus glaucus H. S. Yates June 1901 2207 Riverside San Jacinto Mountains; s side 1645 Comment
  UCR193871  Elymus glaucus A. C. Sanders, Mitch Provance 2008-7-11 35791 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
  RSA586940  Elymus glaucus subsp. glaucus D. L. Banks, Steve Boyd 1995-5-17 469 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail;, at the spring just inside the wilderness boundary in north-central, section 33. 731 Comment
  SD247286  Elymus ponticus A. C. Sanders, T. B. Salvato 2014-7-2 41186 Riverside Peninsular Range: San Jacinto Mtns.; Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Road. (Palm View Peak 7.5'Q) 1555 Comment
  RSA751793  Elymus stebbinsii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35560 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  UCR122750  Emmenanthe penduliflora George K. Helmkamp, E. A. Helmkamp 1998-4-24 3384 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR226583  Emmenanthe penduliflora var. penduliflora Jim Andre 2011-2-18 15817 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
  CAS-BOT-BC131159  Encelia actoni A. C. Sanders; N. Ferguson 1994-6-2 14624 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the forest service boundary 850 Comment
  CAS-BOT-BC131162  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  CAS-BOT-BC131164  Encelia actoni C. B. Wolf 1931-10-14 2458 Riverside Roadside at [Cabozon] Cabazon, San Gorgonio Pass 518 Comment
  CAS-BOT-BC131165  Encelia actoni H. M. Hall 1901-6-1 2007 Riverside San Jacinto Comment
  POM12006  Encelia actoni Mary F. Spencer 1921-7-16 1188 Riverside In canyon near San Jacinto. Comment
  UC488974  Encelia actoni C. V. Meyer 1927-6-1 210 Riverside w base of San Jacinto Mt. 609 Comment
  CAS-BOT-BC226824  Encelia californica A. C. Sanders; T. B. Salvato 2012-4-27 40090 Riverside Peninsular Range; Santa Ana Mtns.: Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  UCR23306  Encelia californica John C. Roos 1952-4-16 5557 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  JOTR34377  Encelia farinosa Andre, Jim 2012-4-16 20897 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UCR177026  Encelia farinosa Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, Stowe Road at California Ave., midway between Winchester and Hemet-Ryan Airport 457 Comment
  RSA522772  Encelia farinosa var. farinosa Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3879 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  NY70354  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca, 100 yards east of Spring. Comment
  CAS-BOT-BC81536  Ephedra californica F. A. M. 1936-3-20 14475 Riverside Morongo Valley Comment
  CAS-BOT-BC81547  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  POM299276  Ephedra californica A. M. Alexander, Louise Kellogg 1941-5-15 2183 Riverside north base of Eagle Mountains. 915 Comment
  RSA383875  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  RSA735322  Ephedra californica Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11260 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
  UCR193553  Epilobium A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35660 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA413258  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. 355 Comment
  RSA609931  Epilobium canum subsp. latifolium R. S. Woglum 1937-11-20 1208 Riverside Peninsular Ranges: Santa Rosa Mountains. Comment
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Dec 9 2014
  RSA502520B  Epilobium ciliatum Steve Boyd 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA633882  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38156 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  RSA575856  Epilobium pygmaeum Steve Boyd, A. C. Sanders 1980-5-19 s.n. Riverside San Jacinto Valley, along the Ramona Expressway. near Lakeview Hotsprings. Comment
  RSA381719  Epipactis gigantea George Henry Grinnell 1923-5-26 s.n. Riverside Riverside. Comment
  SD40733  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas Canyon. Stream bank. 762 Comment
  UCSB925  Epipactis gigantea Kamb, Peter 1948-7-11 Riverside Hall Canyon; San Jacinto Mtns 1645 Comment
  UCR114926  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
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Jul 22 2015
  SD233694  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram & D. Wappler 1994-10-4 15770 Riverside San Jacinto Mountains: north slope of the mtns.; Twin Pines Creek below confluence with Brown Creek in the vicinity of the dirt road crossing. 853 Comment
  UCR108723  Eremalche exilis Scott D. White, Pam DeVries 1998-3-3 6089 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  RSA573440  Eremocarpus setiger Steve Boyd, D. L. Banks 1994-9-8 8335 Riverside Southern Santa Ana Mountains, just outside of the San Mateo Canyon Wilderness Area of the Cleveland National Forest, flats northeast of the upper end of Tenaja Canyon, south of Wildomar Truck Trail (Tenaja Road, 7S01). 598 Comment
  UC1922389  Eremothera refracta Michael Honer with L. Hulse 2004-4-4 1927 Riverside Colorado Desert; Little San Bernardino Mountains Region: SW base of Cottonwood Mtns., near MWD aqueduct, approx. .75 mi. N of I-10. E edge of Pinkham Wash. Comment
  UC1971363  Eremothera refracta W. Wisura 1998-3-28 5115 Riverside 3.3 mi W of Corn Spring S of I-10. Comment
  CAS-BOT-BC187927  Eriastrum densifolium subsp. austromontanum Kerry Knudsen; Petra Wester 2004-5-8 9001 Riverside Along Highway 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills 853 Comment
  RSA0104868  Eriastrum densifolium subsp. austromontanum Scott D. White, Duayne Haselfeld 1996-7-2 4259 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD229214  Eriastrum densifolium subsp. austromontanum Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 637 Riverside Mt. San Jacinto 1085 Comment
  UC52825  Eriastrum densifolium subsp. austromontanum Mr. Chas. Van Deventer July 1901 Riverside El Toro Mt.; w base 1371 Comment
  CLARK-A1045-111  Eriastrum densifolium subsp. elongatum George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  UC52542  Eriastrum eremicum subsp. eremicum F. Gilman 1902-1 4 Riverside Palm Springs Comment
  UCD118276  Eriastrum eremicum subsp. eremicum Rudolf Schmid 1962-4-29 s.n. Riverside Near Palm Desert Depot, Palm Springs. Comment
  CAS-BOT-BC514467  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-5-23 2219 Riverside 4 mi NE of Cottonwood Spring, Eagle Mountains, Colorado Desert 1112 Comment
  UCD118280  Eriastrum filifolium K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UC552457  Eriastrum sapphirinum Carl V. Meyer June, 1927 152 Riverside Temecula Comment
  RSA0118097  Eriastrum sapphirinum subsp. brevibracteatum Sarah DeGroot, Kristin Forgrave 2013-6-4 7010 Riverside Off Rouse Hill Road, Forest Route 5S15, ~0.9 miles from Highway 74. In canyon below road. 598 Comment
  RSA0043247  Eriastrum sapphirinum subsp. dasyanthum Duncan S. Bell, J. D. England 2010-5-27 1124 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.8 air mile southeast of junction of Highway 74 and forest service road 5S15. 768 Comment
  SD187456  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 548 Comment
  CAS-BOT-BC515003  Eriastrum sapphirinum subsp. dasyanthum S. B. Parish 1894-6-14 3331 Riverside San Bernardino Mountains and their eastern base: Banning 767 Comment
  RSA773195  Ericameria cuneata var. spathulata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4886 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  OBI29877  Ericameria linearifolia Melissa Luckow, Rhonda Riggins 1982-4-15 824 Riverside Pinyon Pass Rd., 0.1 mi NW of Hwy 74 1006 Comment
  SDSU18668  Ericameria linearifolia Michael G. Simpson, Kristen Hasenstab 2008-4-2 2954 Riverside Joshua Tree National Park. Southeastern end of Hidden Valley. 1305 Comment
  UC577114  Ericameria paniculata Lewis S. Rose 1934-12-25 34496 Riverside 10 mi n Whitewater (T Cross K Ranch, Mission Canyon); Mission Canyon Comment
  UC640280  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside e of Banning (w edge of Colorado Desert); Colorado Desert Comment
  UCSB37801  Ericameria paniculata Roos, John 1965-11-6 Riverside Whitewater 304 Comment
  UCR231184  Ericameria parishii A. C. Sanders, Kent Beaman 2011-9-27 39924 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  RSA596184  Ericameria pinifolia D. L. Banks 1996-11-7 1210 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA604748  Ericameria pinifolia A. C. Sanders, J. C. Lyman 1995-4-16 16558 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UC750615  Ericameria pinifolia Lewis S. Rose 1946-12-24 46309 Riverside 2 mi s Banning 762 Comment
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Mar 13 2011
  POM12972  Erigeron divergens P. A. Munz, I. M. Johnston 1922-5-20 5469 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCR24000  Eriochloa aristata John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio -3 Comment
  SEINET4344746  Eriodictyon crassifolium I. W. Clokey, E. G. Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  SEINET6894776  Eriogonum W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CLARK-A1528-3634  Eriogonum davidsonii Robin L. Kobaly 1977-8-26 Riverside San Jacinto Mountains Comment
  RSA0035485  Eriogonum davidsonii A. C. Sanders 2013-7-6 40844 Riverside Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 Comment
  RSA0093774  Eriogonum davidsonii Duncan S. Bell 2015-9-30 8680 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR163314  Eriogonum deflexum B. G. Pitzer 2000-5-7 4129 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  GMDRC5048  Eriogonum deflexum var. deflexum J. Andre, G. L. Clifton 2011-2-22 17415 Riverside Mecca Hills: along Box Canyon Rd, 5.5 mi. NE of town of Mecca 52 Comment
  SD132454  Eriogonum elongatum var. elongatum Scott White 1990-10-2 Riverside Vail Lake Area; Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  SEINET273053  Eriogonum fasciculatum A. C. Sanders 1997-4-3 20142 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
  RSA239205  Eriogonum fasciculatum var. foliolosum James L. Reveal, Caroline G. Reveal 1972-8-6 2842 a Riverside Along California Highway 71 north of the junction of Highway 74 at Elsinore, 2 miles north of Elsinore. Comment
  RSA650852  Eriogonum fasciculatum var. foliolosum William Wilson 1948-2-14 s.n. Riverside 11 miles SE Hemet. 549 Comment
  RSA0097950  Eriogonum fasciculatum var. polifolium Duncan S. Bell 2014-11-14 7723 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA766104  Eriogonum fasciculatum var. polifolium Marjorie D. Clary 1932-5-22 1027 Riverside Berdoo Canyon, Little San Bernardino Mts. 1159 Comment
  SD259054  Eriogonum fasciculatum var. polifolium Sarah J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains; along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head od Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  UC849424  Eriogonum fasciculatum var. polifolium I. Johnston 1917-6-5 1240 Riverside hills s Arlington 365 Comment
  UCR120541  Eriogonum gracile D. E. Bramlet 2000-8-30 3077 Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  UCSB37820  Eriogonum gracile Sanders, A. 1980-7-18 Riverside San Jacinto Mountains; Thomas Mountain; Thomas Mtn. campground to the summit at the lookout 2072 Comment
  RSA242184  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  RSA735473  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. 1477 Comment
  RSA393585  Eriogonum inflatum var. inflatum E. C. Jaeger 1922-4-10 723 Riverside Box Canon 91 Comment
  RSA480020  Eriogonum inflatum var. inflatum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2145 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  CAS-BOT-BC270589  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC270596  Eriogonum molestum Peter H. Raven; R. Snow 1957-7-26 11124 Riverside 1.8 mi. above Lake Fulmor, San Jacinto Mts. Comment
  JEPS56712  Eriogonum molestum Marjorie D. Clary 1932-7-4 995 Riverside Vandeventer Flats San Jacinto Mts., Vandeventer Flats 1341 Comment
  POM259133  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-14 15374 Riverside East of Toro Peak 2287 Comment
  JEPS56475  Eriogonum pusillum W. L. Jepson 1927-4-11 11625 Riverside Whitewater Bridge 457 Comment
  RSA0107854  Eriogonum reniforme Duncan S. Bell, Amanda Turek 2009-3-30 162 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA249857  Eriogonum saxatile Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38135 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1677 Comment
  CAS-BOT-BC263542  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 miles west of Shaver's Well Comment
  CAS-BOT-BC263544  Eriogonum thomasii F. H. Billings 1926-2-6 17 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC263545  Eriogonum thomasii Elizabeth McClintock 1958-4-5 s.n. Riverside Along wash in Painted Canyon, Colorado Desert Comment
  CLARK-A1528-749  Eriogonum thomasii Charlotte Stocks 1966-6-15 Riverside Coachella Valley Comment
  JOTR35200  Eriogonum thomasii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3256 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  RSA554427  Eriogonum thomasii Theo Glenn 1991-5-24 91 -131 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  RSA776626  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 940 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UC724336  Eriogonum thomasii Aven Nelson, Ruth A. Nelson 1939-3-30 3351 Riverside near Desert Center (n of Chuckwalla Mts.) Comment
  RSA65309  Eriogonum thurberi F. W. Peirson 1922-5-19 4204 Riverside 5 miles northeast of Murrieta. Comment
  SEINET3160070  Eriogonum thurberi G. B. Grant 1906-5-1 440 -A Riverside on Colorado desert at Palm Springs Comment
  CAS-BOT-BC263593  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  RSA794077  Eriogonum trichopes Jim Andre 2012-3-19 21361 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  SEINET3405293 Image available Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  UCR100210  Erioneuron pulchellum B. G. Pitzer 1997-10-19 3357 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  RSA92916  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1919-4-13 1372 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  POM54680  Eriophyllum confertiflorum L. R. Abrams 1901-5-20 15713 Riverside Elsinore. Comment
  UCR21976  Eriophyllum confertiflorum Steve Boyd 1980-5-5 208 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  SBBG45043  Eriophyllum confertiflorum var. confertiflorum N. C. Cooper 1944-4-22 1123 Riverside Banning 762 Comment
  POM29826  Eriophyllum wallacei Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA474457  Eriophyllum wallacei M. B. Dunkle 1933-3-3 3024 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  SFV3902  Eriophyllum wallacei P. G. Kilburn 1958-5-16 808 Riverside San Jacinto Mountains Pinyon Flat Campground, 12 miles south of Palm Desert. 1220 Comment
  SDSU13540  Erodium botrys W. Miller with C. Mosse 1972-7-20 Riverside South border by Royal Oak Ranch, next to road. Comment
  UCR202505  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR26956  Erodium cicutarium E. W. Lathrop 1966-5-8 6485 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR104620  Erodium macrophyllum D. E. Bramlet 1993-3-30 2305 Riverside South Cajalco Bend, c. 305 m south of Cajalco Road, at a location 3.2 km east of the intersection of Cajalco Road and Sierra Avenue. c. 1.5 m east of existing Monument Peak road. 463 Comment
  POM261825  Erysimum capitatum var. capitatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles from Pinyon Flat public camp on road to Hemet on State Highway 74. Comment
  SEINET11249631  Erysimum capitatum var. capitatum N. H. Holmgren, L. F. Seong 1969-6-17 3581 Riverside San Jacinto Mountains, Black Mountain, campground at the turnoff to a lookout tower. Comment
  RSA0020087  Erythranthe floribunda Scott D. White, Julie Greene 1998-8-1 6961 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  SD51946  Erythranthe floribunda Reid Moran 1962-7-7 9855 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  SD135326  Erythranthe rubella Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak, north slope Comment
  JOTR35483  Eschscholzia androuxii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3171 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA0022958  Eschscholzia androuxii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4300 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
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  CAS-BOT-BC403362  Eschscholzia californica T. S. Brandegee No date on label s.n. Riverside Ramona Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 Comment
  UC1584114  Eschscholzia californica Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3859 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (s flank of mt.); 'Big' Oak Mtn., Vail Lake area 396 Comment
  UC855146  Eschscholzia californica I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  UCD94179  Eschscholzia californica Shannon M. Still 2008-3-19 288 Riverside California. Riverside County. 566 Comment
  UCR170131  Eschscholzia californica Jeffrey Ross 1998-6-4 147 H Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  CAS-BOT-BC154114  Eschscholzia glyptosperma N. Aitkenhead 1977-2-2 s.n. Riverside ~1 mi. from junction of J.T. Mon. Rd & pipeline Comment
  SEINET3196406 Image available Eschscholzia glyptosperma Teresa B. Salvato 2010-4-20 4058 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 183 Comment
  UC69220  Eschscholzia glyptosperma E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  RSA0123120  Eschscholzia minutiflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9031 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA777420  Eschscholzia minutiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 779 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR240995  Eschscholzia minutiflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 50 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR269195  Eschscholzia minutiflora Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-22 779 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  UCSB3646  Eschscholzia minutiflora Krogen, Roger 1957-1 Riverside 4 mi. S of junction of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  RSA0023221  Eschscholzia papastillii Barry A. Prigge 1988-2-21 7841 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA0023224  Eschscholzia papastillii M. B. Dunkle 1933-3-4 3063 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCD96467  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 261 Riverside California. Riverside County: Joshua Tree National Park. 540 Comment
  UCD96514  Eschscholzia papastillii Shannon M. Still; Robert Lee 2009-3-3 452 Riverside California. Riverside County: Joshua Tree National Park. 537 Comment
  CHSC99598  Eschscholzia parishii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1421 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115deg.19'54'W to 33deg.36'52'N, 115deg.19'54'W. UTM 3721895N,655238E to 372066N, 654757E. General collecting along canyon bottom and slopes. Yellow flowered annual growing in sand on bottom of canyon. 514 Comment
  SEINET3094861 Image available Eschscholzia parishii David Charlton 1988-2-18 1152 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 5 mi. E of Jct Dillon Rd. and Fargo Cyn Rd. Comment
  UCR148448  Eschscholzia parishii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UCR279598  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-28 43165 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
  UCR780  Eschscholzia parishii S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 Comment
  RSA713798  Eucalyptus A. C. Sanders, Paul Moore 1991-7-25 11157 Riverside University of California Moreno Field Station, S of Alessandro Blvd & E of Lasselle,Moreno Valley. 488 Comment
  UCD119345  Eucrypta chrysanthemifolia Geoffrey Levin 1975-4-26 483 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  UCR174363  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32661 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
  UCR25546  Eucrypta chrysanthemifolia var. chrysanthemifolia John C. Roos 1941-9-14 174 Riverside Plateau in Reche Canyon Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  SDSU14100  Eulobus californicus Jonathan S. Austin, Michael G. Simpson 2002-4-20 16 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  CLARK-A1528-2490  Euonymus occidentalis subsp. parishii John C. Roos 1941-8-2 Riverside San Jacinto Mountains Comment
  CHSC21747  Euonymus occidentalis var. parishii Robert A. Schlising 1969-10-25 2944 Riverside San Jacinto Mountains, Harry James Preserve (owned by Univ. Calif. Riverside), by Fulmor Lake. 1524 Comment
  UCR242301  Euphorbia abramsiana A. C. Sanders, T. B. Salvato 2012-10-12 40427 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  RSA0041458  Euphorbia eriantha Duncan S. Bell, LeRoy Gross 2014-3-20 6275 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA286540  Euphorbia eriantha John F. Emmel 1979-3-12 622 Riverside Big Maria Mtns.; near SW base of Black Hill, near SW base of the mtns. 267 Comment
  SEINET3106568  Euphorbia eriantha Sears 1977-10-12 S- 562 Riverside Corn Springs Rd. in Corn Springs wash, 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  SD63334  Euphorbia lurida Walter Bertsch 1957-6-29 953 Riverside Santa Rosa Mountains, desert slope of Toro Peak 2440 Comment
  UCR137038  Euphorbia polycarpa A. C. Sanders 2004-5-5 27777 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR166542  Euphorbia polycarpa Scott D. White, Jennifer H. Jones 2005-4-12 10874 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  RSA70387  Euphorbia polycarpa var. hirtella F. W. Peirson 1924-12-30 5418 Riverside Abundant in dry desert sands; Thousand Palms Canyon. 122 Comment
  UCR101410  Euphorbia serpillifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22235 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  UCR264236  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41843 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  UCR82925  Eustoma exaltatum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15811 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET881815  Fagaceae J. M. Tucker, D. Q. Cavagnaro 1965-1 3886 Riverside Joshua Tree National Monument. Comment
  CAS-BOT-BC171042  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside Between Hayfields Reservoir and Desert Center, Indio-Blythe Highway Comment
  CAS-BOT-BC171044  Fagonia laevis C. L. Hitchcock 1940-4-2 5920 Riverside Cottonwood Spt. wash, Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC171045  Fagonia laevis John H. Thomas 1957-3-30 6545 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  HSC24985  Fagonia laevis R. W. Spjut 1972-2-1 2158 Riverside Colorado Desert, along Eagle Mtn. Rd. near junction to Hwy. 10, 1 mi. W of Desert Center. 305 Comment
  JEPS43388  Fagonia laevis W. L. Jepson 1927-4-13 11685 Riverside ne of Mecca (mouth of Painted Canyon); Colorado Desert 45 Comment
  LA209843  Fagonia laevis Martha Hilend; 1932-3-25 sn Riverside Chuckawalla Mountains, about 3 mi. above Corn Springs Comment
  RSA391200  Fagonia laevis P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Deep canyon wash. Comment
  UCR226728  Fagonia laevis Jim Andre 2011-2-9 15910 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR89547  Fagonia laevis George K. Helmkamp 1994-3-10 43- 3 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  SEINET4391062 Image available Ferocactus cylindraceus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4623 -b Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock 402 Comment
  SD136959  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside De Luz Road, 8 miles west of Rancho California; side canyon of Sandia Creek 305 Comment
  JOTR34183  Festuca myuros La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3233 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  SD194  Festuca perennis Fidella G. Woodcock 1928-4-27 Riverside Road to San Jacinto Comment
  CAS-BOT-BC474730  Ficus microcarpa R. E. Riefner, Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway, ca 120 ft. W of Lincoln St., N side of Corona del Rey Apartments 210 Comment
  RSA524432  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4048 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA772134  Filago californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4980 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR228875  Filago californica A. C. Sanders 2011-4-6 39015 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA586917  Filago depressa D. L. Banks, Steve Boyd 1995-5-3 0252 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR262457  Filago depressa Stan C. Spencer 2001-4-27 s.n. Riverside Peninsular Range, edge of Wilson Creek, east of Sage Rd. near Radec 511 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
  CAS-BOT-BC304296  Flaveria A. C. Sanders 1981-10-31 2392 Riverside McKinley St between Riverside and Corona, 0.3 mile N of Highway 91 and +-100 yds W of McKinley 304 Comment
  LA205427  Fouquieria splendens A. N. Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  CAS-BOT-BC62969  Frangula californica subsp. tomentella Louis C. Wheeler 1931-10-4 206 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA0116269  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA653586  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23185 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  SEINET156544  Frasera parryi Norman C. Cooper 1944-7-15 1583 Riverside Palms to Pines Hwy. 1280 Comment
  CAS-BOT-BC211017  Fraxinus velutina A. C. Sanders; J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UC219316  Fremontodendron californicum subsp. californicum P. A. Munz 1922-6-24 5805 Riverside San Jacinto Mountains, Hemet Valley, Pipe Creek Pipe Creek; San Jacinto Mountains, Hemet Valley, Pipe Creek 1584 Comment
  CAS-BOT-BC130239  Fritillaria biflora Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of 'Big' Oak Mtn 822 Comment
  UCR23170  Fritillaria biflora C. Filmer 1981-4-12 81- 18 Riverside Gavilan Hills, c. 25 m north of the S entrance to Harford Springs Co. Park. 579 Comment
  UCR35303  Fritillaria biflora L. B. Ziegler 1978-3-22 579 Riverside Hills near Skinner Lake, Auld Valley area 457 Comment
  POM97113  Funastrum cynanchoides var. hartwegii P. A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  POM184548  Funastrum hirtellum C. L. Hitchcock 1932-4-7 12199 Riverside Corn Springs. Comment
  RSA23268  Funastrum hirtellum Ernest Braunton 1940-03 2037 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA675985  Funastrum hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  RSA70350  Funastrum hirtellum F. W. Peirson 1922-4-9 4118 Riverside Palm Canyon Region, near Palm Springs. Comment
  SEINET10580704  Funastrum hirtellum Unknown 1992-4-4 Sanders 12155 Riverside McCoy Mountains, with 1/2 mi of McCoy Spring 244 Comment
  RSA737323  Gaillardia pulchella Justin M. Wood 2008-9-22 156 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR232069  Gaillardia pulchella John F. Green 2008-4-24 13- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR154830  Galium angustifolium A. C. Sanders, Mike Misenhelter 2005-3-23 29277 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA144223  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  RSA508019  Galium angustifolium subsp. angustifolium Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2289 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  POM367765  Galium aparine N. C. Cooper 1944-5-21 1236 Riverside San Jacinto Mountains, West side 915 Comment
  RSA483568  Galium aparine D. Charlton 1988-5-21 1956 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1677 Comment
  UCR1110  Galium aparine R. L. Webster 1957-4-26 s.n. Riverside Riverside; Fairmont Park, 100 yards west of Evans Lake, just south of road/path to river 244 Comment
  UCR22051  Galium aparine Steve Boyd 1980-4-27 150 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  JEPS9653  Galium parishii P. A. Munz 1922-7-6 6022 Riverside near Hidden Lake; San Jacinto Mts. 2560 Comment
  POM14223  Galium stellatum Philip A. Munz, D. D. Keck 1922-4-9 4792 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  RSA161086  Garrya veatchii Peter H. Raven 1958-5-18 12970 Riverside San Jacinto Mountains; Hemet Meadows. Comment
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Jun 9 2012
  RSA788879  Gayophytum diffusum subsp. parviflorum Gary D. Wallace 2003-7-8 4045 Riverside Hidden Lake. Comment
  RSA789237  Gayophytum diffusum subsp. parviflorum Naomi S. Fraga 2008-8-28 2608 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  CAS-BOT-BC303569  Geraea canescens J. Beley 1977-10-31 1765 Riverside Ca 5 miles N Palm Springs on T/L near Varner Rd Comment
  RSA779580  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SEINET3132384  Geraea canescens S. B. Parish 1907-4-19 6079 Riverside W borders of Colorado desert 150 Comment
  UC727401  Geraea canescens Rateaver 1944-1-30 38 Riverside along trail of entrance to Palm Village Comment
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Mar 13 2014
  UCR160276  Gilia A. C. Sanders 1990-5-21 10021 Riverside San Jacinto Valley, Sanderson Ave. near Gilman Springs Rd., NW of San Jacinto 457 Comment
  UCR177402  Gilia Marisa Sripracha, K. A. Boyd 2004-3-21 053 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SEINET7063449  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. Tucalota Valley. UTM Zone 11, 501776mE, 3714976mN. (WGS84/NAD83). 556 Comment
  POM280086  Gilia angelensis Lyman Benson 1932-3-26 3173 Riverside Temecula Valley. 548 Comment
  RSA470128  Gilia angelensis N. C. Cooper 1947-4-5 2043 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA586845  Gilia angelensis D. L. Banks, S. D. Boyd 1995-5-3 0264 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA708274  Gilia angelensis Scott D. White 2005-3-29 10833 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA72287  Gilia angelensis F. W. Peirson 1929-5-4 8334 Riverside Summit of St John's grade. 792 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  UCR84874  Gilia angelensis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16128 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR90273  Gilia angelensis Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-7-16 3328 Riverside Santa Ana Mtns, Proposed pipeline route: Lake Elsinore Pumped Storage Hydroelectric project. Steep NE facing mtn slope west of Lake Elsinore, SE of Hwy 74. 915 Comment
  UCR97900  Gilia angelensis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19850 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR16729  Gilia capitata J. N. Bullock 1970-5-18 P 33 Riverside Fifty meters east of Maitri Rd at a spot 200 m south of the junction of Maitri Rd and Calif. Hwy 71. 341 Comment
  RSA470273  Gilia capitata subsp. abrotanifolia Albert J. Perkins 1916-04 s.n. Riverside Between Banning and Palm Springs Comment
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Aug 27 2011
  UC23841  Gilia latiflora subsp. davyi Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SEINET3005041  Gilia latifolia G. Rink 2011-4-25 10477 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  RSA673551  Gilia ochroleuca Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  CAS-BOT-BC407801  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-19 1703 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  UC63808  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2043 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1432 Comment
  UCR118399  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14576 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA0016286  Gilia ochroleuca subsp. exilis E. A. Zumbro 1897-05 s.n. Riverside Hemet Valley. 1372 Comment
  RSA0017273  Gilia ochroleuca subsp. exilis R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55471 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA25366  Gilia stellata C. L. Hitchcock 1940-3-31 5880 a Riverside 0.5 mile below Cottonwood Springs Comment
  RSA71807  Gilia stellata F. W. Peirson 1920-2-16 2297 Riverside Foot of Alkali Canyon, southeast of Palm Canyon, east base of San Jacintos Mountains Comment
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UC1123761  Gilia stellata H. S. Yates 1937-3-24 6475 Riverside near mouth Deep Canyon; Thermal Quad., mouth of Deep Canyon Comment
  SEINET7042772  Gilia tricolor subsp. diffusa W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA659556  Gnaphalium californicum P. Shirokawa 1998-5-15 34 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  POM8299  Gnaphalium microcephalum P. A. Munz 1920-2-28 3273 Riverside 3 miles west of Corona. 305 Comment
  UCR133685  Gnaphalium stramineum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  SEINET3004917  Gossypium hirsutum G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10335 Riverside Canal two miles north of Blythe. 70 Comment
  UCR199575  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA0124742  Gutierrezia microcephala Duncan S. Bell, LeRoy Gross 2016-3-9 8843 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  CLARK-A1528-235  Haplopappus squarrosus subsp. grindelioides C. M. Flanagan 1973-6-13 OO 703 Riverside Morongo Indian Reservation 975 Comment
  UCD132672  Hedypnois cretica Mitch Provance 1999-5-4 1681 Riverside Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 243 Comment
  UCR268301  Helianthemum scoparium Jim Andre 2012-6-15 30521 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  CAS-BOT-BC305618  Helianthus californicus Ralph Hoffman 1929-9-7 s.n. Riverside San Jacinto Mt. 1828 Comment
  UCR21158  Helianthus gracilentus 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
  UC1063894  Heliotropium curassavicum A. Lewis May 1934 464 Riverside Temecula R. Elsinore Quad., Temecula R. 365 Comment
  RSA653217  Heliotropium curassavicum var. oculatum John Wallace, Steve McNabb 1991-5-5 5 Riverside Colorado River. River Bend Lodge. Comment
  CAS-BOT-BC314980  Hemizonella minima Munz; Street; Williams 1919-5-30 2828 Riverside Dark Canyon, Pine Crest, San Bernardino Mts. Comment
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR139626  Hemizonia kelloggii A. C. Sanders 2004-6-30 28405 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
  RSA588672  Hemizonia paniculata D. L. Banks, S. D. Boyd 1995-10-26 0829 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. 939 Comment
  RSA752295  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR183342  Hemizonia paniculata Mitch Provance 2005-5-27 4606 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR235055  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40201 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route between housing tracts, west of Goetz Rd and east of San Jacinto River, S of Ethanac Rd. 448 Comment
  UCR256787  Hemizonia paniculata T. B. Salvato, Matthew Malle 2013-5-20 7572 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UCR258629  Hemizonia paniculata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-6-2 8061 Riverside Peninsular Range; Perris-Aguanga Basin, rolling hills just north of Franklin Street between Miramar and Channing Way, c. 1 mi northeast of Lake Elsinore 429 Comment
  UCR58479  Hemizonia paniculata S. J. Myers, D. Mitchell 1989-9-29 s.n. Riverside Peninsular Range, Hemet area, SE corner of Lakeview Mtns., [near] Hwy 74, 0.75 mi west of California Ave. 470 Comment
  UCR162884  Hemizonia pungens subsp. laevis Fred M. Roberts 1993-5-16 4883 Riverside Hemet, W side of Old Warren Road, c. 0.75km N Florida Avenue near Devonshire Road, c. 1.2km WSW summit of Tres Cerritos Hills 459 Comment
  UCR260132  Hemizonia pungens subsp. laevis A. C. Sanders 2015-2-19 41248 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  RSA377053  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  RSA550343  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4645 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  UCR174447  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32507 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
  UCR56699  Hesperolinon micranthum Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW slope of Mesa de Burro 579 Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA0075893  Heterotheca grandiflora Patricia Wilder 1971-9-29 5260 Riverside Base of San Jacinto. Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. 518 Comment
  UC128672  Heterotheca grandiflora Charlotte M. Wilder 1909-2-20 893 Riverside w. Riverside Comment
  UCR141232  Heterotheca grandiflora A. C. Sanders, Mike Misenhelter 2004-10-6 28835 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
  UC1999891  Heterotheca sessiliflora subsp. echioides J. C. Semple, J. Chimielewski 1987-9-30 8983 Riverside Idyllwild, Rd. to Idyllwild School of Fine Arts and Music, 2.3 km NW of CA-243. Comment
  RSA0063013  Heuchera hirsutissima M. B. Dunkle 1933-7-23 3757 Riverside San Jacinto Peak. 3301 Comment
  UCR251642  Hibiscus denudatus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 799 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  CAS-BOT-BC203374  Hibiscus lasiocarpos var. occidentalis Samuel B. Parish 1880-4-10 200 Riverside Near Toros [Toro or Torres], Colorado Desert Comment
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Oct 7 2017
  HSC34760  Hilaria rigida R. E. Cooksey Mar 1974 201 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  UCR227609  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 159 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCR260218  Hilaria rigida A. C. Sanders, Jim Malusa 2015-3-10 41378 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  PASA1047  Hoffmannseggia densiflora Margaret Stason 1932-4-18 249 Riverside Roadside near Blythe Comment
  SD174895  Hoffmannseggia microphylla Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran Desert: Coachella Valley/Indio Hills; N of I-10. 198 Comment
  RSA646292  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Santa Ana Mountains: Sierra Peak; Astragalus brauntonii survey. Comment
  RSA0034422  Holodiscus microphyllus M. B. Dunkle 1933-7-19 3690 Riverside Tahquitz Peak. 2683 Comment
  POM229707  Hordeum brachyantherum subsp. californicum P. A. Munz 1937-5-27 14936 Riverside Overflow from Lake Elsinore. Comment
  SD30947  Hordeum brachyantherum subsp. californicum Phillip A. Munz 1937-3-27 14936 Riverside Damp flat, overflow from Lake Elsinore 305 Comment
  RSA717054  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR99327  Hordeum intercedens D. E. Bramlet 1996-4-18 2455 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, c. 762 m NE of Lakeview, 122 m east of Davis Rd. and 40 m north of Marvin Rd 434 Comment
  UCR124332  Hordeum murinum Steve Boyd 1980-5-5 210 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA688909  Hordeum murinum subsp. glaucum Scott D. White 2001-4-18 8354 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA599098  Hordeum vulgare V. W. Steinmann 1996-4-13 827 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  SBBG100515  Hordeum vulgare W. L. Halvorson 1977-1-4 77 -229 Riverside Corona Comment
  RSA161165  Horkelia clevelandii Peter H. Raven, R. Snow 1957-7-26 11106 Riverside Just below Vista Grande Ranger Station, Banning-Idyllwild road Comment
  RSA85233  Horkelia clevelandii F. W. Peirson 1924-7-28 5006 Riverside Pine Flats on road from Banning to Idyllwild 1799 Comment
  HSC79039  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields 0.25 mi. S of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  RSA5897  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3970 Riverside Along Trail from Tahquitz Valley to San Jacinto Peak, above the small stream and wet meadow feeding Tahquitz Creek. 2895 Comment
  SD51949  Hulsea vestita subsp. callicarpha Reid Moran 1962-7-7 9870 Riverside Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains 1550 Comment
  UC32855  Hulsea vestita subsp. callicarpha W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Sunset Hill; San Jacinto Mt. 1554 Comment
  CAS-BOT-BC312859  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Colorado Desert. Palo Verde Valley 76 Comment
  CAS-BOT-BC312862  Hymenoxys odorata Roxana S. Ferris 1918-6-19 1010 Riverside At Blythe, Colorado River bottoms Comment
  PASA1154  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  RSA420160  Hyptis emoryi Gary D. Wallace 1964-4-26 s.n. Riverside Palm Springs. Comment
  UCR260270  Hyptis emoryi A. C. Sanders, Jim Malusa 2015-3-11 41404 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  UCR52026  Hyptis emoryi Steve Boyd, S. Meury, , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2102 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR80809  Iris hartwegii Scott D. White 1993-5-29 1467 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  CDA32703  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-1 PDR# 1501831 Riverside Southwest of Perris, along the San Jacinto River banks. 0 Comment
  UCR260540  Isocoma menziesii var. vernonioides T. B. Salvato 2014-5-29 8051 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA199009  Isoetes howellii R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA606519  Isoetes howellii Jon E. Keeley 1985-4-18 7926 Riverside Main pool near road, Mesa de Colorado, Santa Rosa Plateau. Santa Ana Mountains 675 Comment
  SEINET12007321  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8004 Riverside near Palm Springs Comment
  RSA781323  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37142 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  IRVC28523  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. San Bernardino Mtns. 793 Comment
  CAS-BOT-BC110064  Juncus acutus W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] below warm springs. Comment
  CAS-BOT-BC110065  Juncus acutus Elizabeth McClintock 1964-4-8 s.n. Riverside Pushawalla Palms Canyon, Colorado Desert, east of Indio. Comment
  CAS-BOT-BC110073  Juncus acutus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR277704  Juncus balticus Mitch Provance 2013-4-16 413- 18 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  PASA628  Juncus bufonius Frank W. Peirson 1922-4-29 Riverside South side Lake Elsinore Comment
  RSA760325  Juncus bufonius Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55214 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR159817  Juncus bufonius Chris E. True, Robert Cox 2005-6-22 s.n. Riverside San Jacinto Mtns., north slope of the mountains near Azalea Creek, about 0.5 mile SW of the Twin Pines Ranch buildings 1067 Comment
  JOTR35497  Juncus bufonius var. bufonius La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3185 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  POM1626  Juncus effusus subsp. austrocalifornicus H. M. Hall 1897-8-11 831 Riverside In the vicinity of Strawberry Valley. 1646 Comment
  POM259160  Juncus effusus subsp. austrocalifornicus Phillip A. Munz 1938-8-14 15367 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  UCR40548  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  UC1601813  Juncus macrandrus H. M. Hall Jul 1901 2248 Riverside Fuller's Mills San Jacinto Mountains Comment
  RSA17254  Juncus macrophyllus Carl B. Wolf 1936-6-17 7959 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  RSA368246  Juncus mexicanus M. B. Dunkle 1933-7-21 3720 Riverside Idyllwild 1616 Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR24954  Juncus oxymeris A. C. Sanders 1980-7-22 1734 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UC1105690  Juncus textilis E. K. Balls and P. C. Everett 1957-11-13 22800 Riverside n side Snow Creek 701 Comment
  RSA33306  Juniperus californica N. C. Cooper 1943-9-11 911 Riverside Palms to Pines Hwy. 1219 Comment
  RSA697386  Juniperus californica W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  JEPS9191  Justicia californica W. L. Jepson 1927-4-12 11674 Riverside Painted Canyon, Mecca Hills Mecca Hills, Painted Canyon 76 Comment
  JOTR30676  Justicia californica Andre, Jim, Tasha La Doux 2008-3-21 8828 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  LA202793  Justicia californica J. A. Ewan; 1931-4-4 4145 Riverside 5 mi. E of Desert Center Comment
  RSA26370  Justicia californica Reid Moran 1941-5-5 855 Riverside Cottonwood Pass, Eagle Mtns. Comment
  SEINET2163601 Image available Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Eagle Mountains 460 Comment
  JOTR30680  Kallstroemia californica Andre, Jim, Tasha La Doux 2008-9-13 10262 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  JOTR38522  Kallstroemia californica Harding, Mitzi, Kipp Callahan 2012-8-27 291 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCD170729  Kallstroemia californica A. C. Sanders; T. B. Salvato 2012-10-12 40409 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  UCD39067  Keckiella antirrhinoides Beecher Crampton 1963-5-7 6785 Riverside Western. 2 miles W of Lakeland Village, Elsinore Mountains. Cleveland National Forest. Comment
  NY786510  Keckiella antirrhinoides var. antirrhinoides L. A. McGill 1979-5-25 2551 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch. Comment
  NY786536  Keckiella antirrhinoides var. antirrhinoides F. W. Pennell 1940-4-27 25273 Riverside 5 miles south of Winchester 457.2 Comment
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Mar 20 2011
  RSA335014  Keckiella cordifolia Steve D. Boyd 1985-7-23 1022 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
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Jun 8 2012
  SFV16973  Keckiella rothrockii var. jacintensis P. Wilson, M. S. Valenzuela 1997-7-25 3512 Riverside San Jacinto Mountains Near Round Valley Camp. 3000 Comment
  RSA735943  Kochia scoparia Scott D. White, Justin Wood 2008-6-13 12104 Riverside San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR112073  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Riverside area, Jurupa Mtns., pass west of Rattlesnake Mtn., along the east side of Armstrong Rd., c. 1/8 mi. south of the San Bernardino Co. line 313 Comment
  CLARK-A1528-4699  Koeleria macrantha John C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET3151183  Krameria canescens S. B. Parish 1907-4-23 6109 Riverside Western border of the Colorado desert 150 Comment
  CAS-BOT-BC43709  Krameria erecta Edmund C. Jaeger 1921-11-10 s.n Riverside Little Palm Canon 304 Comment
  RSA0107470  Krameria grayi Duncan S. Bell, Amanda Turek 2009-3-29 154 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA795972  Krameria grayi Duncan S. Bell 2009-4-19 297 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  RSA596115  Lactuca serriola D. L. Banks 1996-11-7 1198 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  CAS-BOT-BC272428  Lamarckia aurea H. M. Hall 1900-5-29 1385 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 533 Comment
  POM320423  Lamarckia aurea David Wheat 1968-5-16 134 Riverside 4.4 miles W corner Washington Ave-Guava Street, Murietta in Rancho California 427 Comment
  UCR51954  Langloisia setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
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Mar 19 2016
  CLARK-A1528-4433  Larrea tridentata John C. Roos 1948-5-8 3817 Riverside Whitewater Canyon 548 Comment
  IRVC28837  Larrea tridentata Mark A. Elvin 2005-4-25 4222 Riverside Coachella Valley; N of Palm Springs; N of I10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 244 Comment
  JOTR31951  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA0070269  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 20 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 784 Comment
  UC867939  Larrea tridentata Alice Eastwood 1913-4-30 3085 Riverside Palm Springs Comment
  UCR244298  Larrea tridentata Jim Andre 2012-4-15 20861 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR60785  Larrea tridentata Steve Boyd, Orlando Mistretta 1986-3-13 1418 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  SEINET6894861  Lastarriaea coriacea Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC338921  Lasthenia californica H. M. Hall 1902-4-22 2941 Riverside Rialto. Vicinity of Riverside Comment
  CAS-BOT-BC338929  Lasthenia californica L. R. Abrams 1926-3-25 11350 Riverside Between Banning and Cabazon Comment
  SD140184  Lasthenia californica A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads, southwest of Tres Cerritos and north of Florida Avenua (Hwy 74). 459 Comment
  RSA771760  Lasthenia coronaria Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4637 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA79174  Lasthenia coronaria P. A. Munz, P. Everett 1952-5-2 16241 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SJSU11845  Lasthenia coronaria K. W. Radford 1956-3-26 109 Riverside 5 mi S of Morongo Valley Comment
  UC1595795  Lasthenia coronaria W. Wisura, A. King, and L. Newcomb 1992-4-10 4670 Riverside w of Hwy 62 Mission Creek Ranch; Morongo Valley Comment
  UCR113179  Lasthenia coronaria A. C. Sanders 1998-3-11 21678 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR281787  Lasthenia coronaria Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 102 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  POM262944  Lasthenia gracilis J. C. Roos 1941-4-19 178 Riverside Reche Canyon - 'Plateau' [Label indicates San Bernardino Co.] Comment
  POM305811  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1048 Riverside Elsinore and Vicinity Comment
  RSA691981  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8925 Riverside Temescal Valley: Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, '2349.' 671 Comment
  SBBG103913  Lasthenia gracilis S. D. White 1993-4-20 1215 Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UC30437  Lasthenia gracilis Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  UC69030  Lasthenia gracilis H. M. Hall 1905-4-1 5769 Riverside Bradley Canyon Colorado Desert Comment
  UCR232783  Lasthenia gracilis John F. Green 2008-4-15 0408- 27 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA680520  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  JEPS55283  Lathyrus vestitus var. alefeldii W. L. Jepson 1901-5-19 1279 Riverside Strawberry Valley, Mt. San Jacinto 1676 Comment
  RSA1496  Lathyrus vestitus var. alefeldii J. T. Howell 1929-2-14 1233 Riverside Santiago Trail, above Glen Ivy Comment
  RSA586104  Lathyrus vestitus var. alefeldii D. L. Banks, S. D. Boyd 1995-4-5 0144 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, W of the Dripping Springs Trail. 646 Comment
  SD129329  Lathyrus vestitus var. alefeldii Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau Area; along Gatos Road 0.5 miles south of Buena Vista Road (2 miles west of sandia Canyon & 0.1 mile north of San Diego county line) 366 Comment
  RSA773042  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5039 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  CAS-BOT-BC379666  Layia platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  UC30658  Layia platyglossa H. M. Hall 1899-5-1 Riverside Johnson's San Jacinto Mountains, Johnson's 1676 Comment
  UCR114018  Layia platyglossa Mitch Provance 2000-4-8 2008 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  RSA741378  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside Johnson Meadow. 1415 Comment
  UCR272484  Lepidium Mitch Provance 2013-6-16 613- 25 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, El Dorado Park on Warren St., about 0.35 mi W of Van Buren Blvd. 225 Comment
  UCR21964  Lepidium dictyotum var. dictyotum Steve Boyd 1980-5-20 s.n. Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  RSA429902  Lepidium fremontii D. A. Young 1969-3-28 464 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA668475  Lepidium fremontii S. Granger 1979-4-5 s.n. Riverside Chuckawalla Mountain. Comment
  UC710906  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash Cottonwood Springs Comment
  UC856444  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  UCR279379  Lepidium fremontii A. C. Sanders, Jim Malusa 2017-3-24 42973 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 723 Comment
  JOTR37452  Lepidium fremontii var. fremontii Hodges, Stephen, T. Green 2016-5-24 574 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA66733  Lepidium lasiocarpum F. W. Peirson 1920-2-15 2834 Riverside Palm Springs, Tahquitz Camp. Comment
  RSA696174  Lepidium lasiocarpum Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA727385  Lepidium lasiocarpum Naomi Fraga, Lisa Rojas 2005-2-10 1363 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  POM93985  Lepidium lasiocarpum Marcus E. Jones 1926-2-19 s.n. Riverside West of Indio, Riverside County Comment
  JOTR33733  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2733 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA737350  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR216444  Lepidium latifolium Nolan M. Ung 2008-5-20 030 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR135814  Lepidium nitidum A. C. Sanders, Guy Bruyea 2004-4-2 27445 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  SD144475  Lepidium virginicum var. robinsonii A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19881 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn. along the road. 518 Comment
  UC527693  Lepidospartum squamatum C. B. Wolf 1931-10-14 2462 -A Riverside roadside at Cabezon; San Gregorio Pass 518 Comment
  UCR34938  Lepidospartum squamatum L. B. Ziegler 1966-10-17 101 Riverside San Jacinto Valley-on Soboba Indian Reservation 503 Comment
  UC1101604  Leptochloa mucronata Malcolm A. Nobs and S. Galen Smith 1948-9-3 489 Riverside 2 mi n Indio; Imperial Valley Comment
  JEPS69870  Leptodactylon pungens W. L. Jepson 1914-5-18 6003 Riverside Pinion Well Canyon n Indio (Mts. of the Pinion Well); , Pinion Well Canyon 762 Comment
  UC23618  Leptodactylon pungens H. M. Hall June, 1901 2130 Riverside Santa Rosa Mountain San Jacinto Mountains, , Coyote Canyon (dry hillsides of Coyote Canyon) 1524 Comment
  UC489129  Leptodactylon pungens C. V. Meyer 1928-7-31 611 Riverside Tahquitz Peak; San Jacinto Mts., Tahquitz Peak 2590 Comment
  SD135280  Leptosiphon floribundus subsp. floribundus Craig Reiser, Dylan Hannon 1993-5-30 Riverside SE flank of Santa Rosa Peak Comment
  RSA0081016  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation side canyon E of Middle Branch Millard Canyon. 1280 Comment
  SD181407  Leptosiphon liniflorus Scott D. White, Sandy Leatherman 2000-5-31 7975 Riverside Santa Rosa Plateau; near Squaw Mountain. 640 Comment
  RSA667000  Leptosiphon pygmaeus subsp. pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  RSA179523  Leymus triticoides E. W. Lathrop 1960-6-6 4847 Riverside 14 miles W. of Murrieta. Comment
  RSA500172  Leymus triticoides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3655 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  RSA740832  Leymus triticoides Scott D. White, Justin M. Wood 2008-7-8 12392 Riverside Johnson Meadow. 1439 Comment
  UCD87589  Leymus triticoides P. B. Kennedy 1915-1 s.n. Riverside Wineville. Comment
  RSA286795  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Teneja Road and road to ranch headquarters 610 Comment
  UC23394  Linanthus aureus E. L. Koethen 1897-4-15 13 Riverside Riverside Comment
  RSA160526  Linanthus californicus J. D. Olmsted 1959-4-10 343 Riverside 3 miles south of Banning on highway to Idyllwild. 1067 Comment
  RSA192031  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  RSA654613  Linanthus dianthiflorus Starr Streight 1982-4-17 72 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  RSA0113512  Linanthus dianthiflorus Lyman Benson 1945-6-29 11617 Riverside San Gorgonio Pass, 5 miles east of Banning. 609 Comment
  UC106872  Linanthus filipes M. M. Miles 1891-1 Riverside San Jacinto Comment
  RSA0053904  Linanthus floribundus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 409 Riverside Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UC1537468  Linanthus lemmonii Gordon H. True Jr. 1935-4-11 576 Riverside Gavilan Hills 609 Comment
  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
  JEPS58471  Linanthus liniflorus Carl V. Meyer 1929-6-18 765 Riverside Hemet Valley; lower part Comment
  UC52463  Linanthus liniflorus H. M. Hall 1897-5-5 526 Riverside Leon Comment
  UCR147596  Linanthus liniflorus Naomi Fraga, S. DeGroot 2004-7-7 1295 Riverside Peninsular Ranges; San Jacinto Mountains region, Along Chimney Flats Road (5S06) 1372 Comment
  SEINET13709267  Linanthus nuttallii J. Adams, J. Adams (Botany) 1966-1 747 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  SD4007  Linanthus pungens Evelyn Gray 1926-3-20 Riverside Border of Southern Riverside Co., near Aguanga Comment
  RSA263664  Lithophragma affine subsp. mixtum E. W. Lathrop 1968-5-22 6915 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA500999  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  CAS-BOT-BC60178  Lobularia maritima Steve Boyd 1991-5-20 6280 Riverside Santa Ana Mountains. Temescal Canyon, northwest of Lake Elsinore. Mouth of Rice Canyon. 487 Comment
  UCR21947  Loeflingia squarrosa Steve Boyd 1980-4-13 120 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA562060  Loeseliastrum matthewsii Steve Boyd, C. Boyd, Kyle A. Boyd 1992-4-19 6923 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UC880238  Loeseliastrum matthewsii C. L. Hitchcock 1940-4-4 5948 Riverside Pinto Basin Comment
  RSA468345  Loeseliastrum schottii Christopher Davidson, Robert Gustafson 1977-4-7 5570 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  CAS-BOT-BC342107  Logfia arizonica Steve Boyd 1986-5-1 1789 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  UC1595559  Logfia arizonica Steve Boyd and Orlando Mistretta 1991-5-22 6313 Riverside e of Dorland Mtn. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  UC1922022  Logfia depressa Robert F. Thorne, M. Z. Thorne 1973-3-30 42686 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  UCR59859  Logfia filaginoides J. M. Stewart 1988-3-21 623 Riverside Sonoran (Colorado) Desert, Corn Spring Canyon about 2 miles west of Aztec Well 688 Comment
  RSA575975  Lolium perenne Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau 610 Comment
  CLARK-A1528-4717  Lolium perenne subsp. multiflorum John C. Roos 1953-4-21 5915 Riverside March Air Force Base 457 Comment
  POM14426  Lolium temulentum var. arvense P. A. Munz, I. M. Johnston 1922-5-19 5382 Riverside 8 miles NE of Murietta. 412 Comment
  OBI52756  Lomatium utriculatum L. LaPre, J. Eason 1988-1-27 s.n. Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  SBBG59767  Lomatium utriculatum E. Rockwell 1927-5-8 Riverside Jackrabbit Trail, Riverside to Hemet 914 Comment
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Mar 21 2011
  JEPS55400  Lotus argyraeus var. argyraeus W. L. Jepson 1901-5-25 1440 Riverside Coyote Canyon near El Toro (Journey from Riverside to Santa Rosa Peak and Palomar); Coyote Canyon Comment
  JEPS55421  Lotus crassifolius var. crassifolius Carl V. Meyer 1927-6-1 Riverside Saunders Meadow San Jacinto Mt. Comment
  UCR23912  Lotus heermannii John C. Roos 1952-6-13 5768 Riverside [Box Springs Mountains], Pigeon Pass. 427 Comment
  JOTR30650  Lotus heermannii var. heermannii La Doux, Tasha, Erin Babich 2008-4-21 1810 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  RSA406415  Lotus heermannii var. heermannii E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  SEINET3208896  Lotus nevadensis var. nevadensis G. Goodwin 2012-6-14 3451 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UC1922214  Lotus nevadensis var. nevadensis Naomi Fraga, et al. 2006-7-11 1713 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR192721  Lotus purshianus A. C. Sanders, Mike Misenhelter 2008-6-10 35454 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  SEINET3563106 Image available Lotus rigidus Leila M. Shultz, John S. Shultz 1985-4-18 8331 Riverside Chuckawalla Mountains, 1 mile west of Astec Well, 11.7 miles south of I-15 616 Comment
  UCR158497  Lotus salsuginosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30041 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
  UCR251298  Lotus salsuginosus T. B. Salvato 2013-3-27 7432 Riverside Temescal Valley, Corona, c. 1 mi southeast of Corona (Lee) Lake and 0.2 mi south of Hwy 15, between De Palma Road and Colt Drive, west side of Horsethief Canyon Road 396 Comment
  RSA406895  Lotus scoparius var. brevialatus N. C. Cooper 1944-4-8 1058 Riverside Andreas Canyon. 305 Comment
  CDA27331  Lotus strigosus T. C. Fuller 1963-4-23 10274 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  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
  POM28285  Lotus strigosus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA709183  Lotus strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  UCR116984  Lotus strigosus A. C. Sanders, T. B. Salvato 2001-5-3 24079 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR178302  Lotus strigosus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 922 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR214886  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37674 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR280829  Lotus strigosus T. B. Salvato, Gregg Miller 2005-6-3 1406 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  UCR92050  Lotus strigosus Scott D. White 1995-3-30 2665 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  POM98998  Lotus strigosus var. strigosus E. C. Jaeger 1926-3-26 s.n. Riverside Cabazon Comment
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Mar 13 2011
  RSA498731  Lotus strigosus var. strigosus Freda Detmers 1933-3-25 17160 Riverside Between Banning and Cabazon. Comment
  UCR260256  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-11 41396 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCR263651  Lotus strigosus var. tomentellus David Fraker, Aaron C. Sedgwick 2012-3-22 032 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  RSA480075  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA525225  Lotus wrangelianus Steve Boyd 1990-5-3 4603 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR22191  Lotus wrangelianus John C. Roos 1952-4-9 5478 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCSC000931  Lotus wrangelianus Peter Kamb 1947-5-17 515 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  UCR138614  Ludwigia peploides subsp. peploides L. C. Wheeler 1961-6-24 s.n. Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA314163  Lupinus andersonii Walter Wisura 1983-6-25 3910 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  POM349958  Lupinus arizonicus M. B. Dunkle 1932-3-25 2913 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA517839  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1469 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA781805  Lupinus arizonicus Duncan S. Bell 2010-5-1 876 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA784933  Lupinus arizonicus Duncan S. Bell 2012-2-12 3101 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR103558  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2550 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  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
  OBI83278  Lupinus bicolor Rhonda Riggins 1985-5-27 1515 Riverside Santa Rosa Plateau. Common on grassy slopes in open oak woodlands N side of Mesa de Colorado Comment
  RSA613415  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-4-5 1676 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR51927  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR139025  Lupinus concinnus subsp. concinnus D. L. Banks 1997-4-5 1691 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  RSA87459  Lupinus concinnus subsp. optatus F. W. Peirson 1922-5-19 7721 Riverside Road to Keenes Camp, San Jacinto Mts. Comment
  OBI42759  Lupinus excubitus Melody Lardner 1981-5-19 188 Riverside Collected in the Main St Cyn in the Santa Ana Mts, 3.5 mi S of Hwy 91 at the end of Main St 427 Comment
  UC15781  Lupinus excubitus H. M. Hall Riverside San Jacinto Mountains Comment
  CAS-BOT-BC216680  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, SW of Beaumont, Bad lands 670 Comment
  POM12626  Lupinus excubitus var. hallii P. A. Munz, I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon. San Jacinto Mts. Comment
  RSA503877  Lupinus excubitus var. hallii Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SEINET10937096  Lupinus formosus David B. Dunn 1947-10-9 Dunn 3534 Riverside Collected near the dry wash or shallow area about half way from the hwy to 29 Palms to hidden valley. Comment
  HSC104178  Lupinus latifolius A. C. Sanders, T. B. Salvato 2014-7-2 41161 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  POM11042  Lupinus latifolius subsp. parishii Unspecified 1897-6-1 583 Riverside Riverside, no data on label Comment
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Jul 4 2010
  RSA90133  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-8-19 18532 Riverside North of Fullermill Co., 1.3 miles north of Black Mt, Truck Trail, hwy from Banning to Idyllwild 1829 Comment
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Jul 14 2012
  SD148159  Lupinus microcarpus var. microcarpus G. K. Helmkamp, E. A. Helmkamp 2001-5-2 6624 Riverside La Panza Range: CA-58 11.2 miles east of Santa Margarita 487 Comment
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Dec 7 2011
  UC129482  Lupinus shockleyi H. M. Hall Apr. 1905 5762 Riverside Palm Springs; Colorado Desert, Palm Springs 152 Comment
  UC472705  Lupinus shockleyi Mary F. Spencer 1921-4-2 1650 Riverside Palm Springs; Colorado Desert, Palm Springs 121 Comment
  JOTR32123  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2280 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  JOTR34361  Lupinus sparsiflorus Andre, Jim 2012-4-16 20876 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UCR117077  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23961 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR121225  Lupinus sparsiflorus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR175178  Lupinus sparsiflorus Jim Andre 2006-4-26 6763 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  UC56611  Lupinus truncatus H. M. Hall Apr 1902 2898 Riverside Coahuilla foot-hills , Coahuilla foot-hills (San Jacinto Mountains) 762 Comment
  UCR91641  Lupinus truncatus D. L. Banks, Steve Boyd 1995-5-17 457 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  OBI38809  Lycium andersonii A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6094 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  RSA554024  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA775937  Lycium andersonii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 947 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR103780  Lycium barbarum Scott D. White 1994-10-21 2506 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  RSA463719  Lycium brevipes A. C. Sanders 1985-12-22 5961 Riverside Coachella Valley, bouldery slope at old Indian fish traps, E eand of Ave. 66 at Jackson St. Comment
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Sep 10 2011
  JOTR35221  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  RSA793467  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  RSA0125107  Lythrum californicum Duncan S. Bell 2016-10-27 10216 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA489  Lythrum californicum J. T. Howell 1927-8-1 522 Riverside Mission Creek, Colorado Desert. 610 Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  SD187433  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR34935  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1968-9-15 335 Riverside Santa Rosa Mtns, Santa Rosa Peak 2470 Comment
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA180445  Madia gracilis E. W. Lathrop 1965-5-30 5784 Riverside 6 miles west of Murrieta Comment
  UCR231744  Malacothamnus fasciculatus John F. Green 2008-4-23 08- 11 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA673873  Malacothrix clevelandii Scott D. White 2000-5-27 7939 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SBBG87399  Malacothrix coulteri A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6029 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  UCR244380  Malacothrix glabrata Jim Andre 2012-4-16 20949 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UCSB16936  Malacothrix glabrata Winn, Will 1963-4-8 Riverside 35.3 miles west of Desert Center on U.S. Highway 60-70 243 Comment
  RSA575818  Malacothrix saxatilis var. tenuifolia Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  POM11885  Malaxis brachypoda Philip A. Munz 1922-9-5 6366 Riverside Meadow north of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  CDA28909  Malosma laurina Mike Lahti 2009-4-7 PDR# 1501610 Riverside West side of Temecula. 0 Comment
  CHSC35203  Marah macrocarpa James Henrickson 1973-3-18 8607 Riverside 16 (air) miles I of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA708060  Marah macrocarpa Scott D. White, Angelia Carey 2004-4-16 10153 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR137559  Marah macrocarpa A. C. Sanders 2004-5-5 27759 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  CAS-BOT-BC218949  Marina parryi Ira L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  JEPS121576  Marina parryi Adam C. Schneider with Will Freyman 2014-2-16 409 Riverside East side of Highway 177. Comment
  UCD124982  Marrubium vulgare Robert J. Weatherby 1949-5-21 492 Riverside Radec near Hemet. 609 Comment
  UCR22046  Marrubium vulgare Steve Boyd 1980-5-11 238 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM78929  Marsilea vestita I. M. Johnston 1925-7-7 5285 Riverside ca. 1 mile NW of Norco 182 Comment
  RSA450079  Marsilea vestita J. C. Roos 1965-9-16 s.n. Riverside Lakeview. Comment
  SDSU18641  Matricaria discoidea C. Matt Guilliams, Jeannine Ross 2008-3-12 527 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
  SD237272  Melica imperfecta A. C. Sanders 2010-4-2 37742 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15 404 Comment
  UC1930074  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8927 Riverside TEMESCAL CANYON: Dissected bajada bench, below and east of Horsethief Canyon; immediately south of I-15 Freeway. (Alberhill) Comment
  UCD88017  Melica imperfecta F. M. Reed 1919-1 4090 Riverside Rubidoux mountains, near riverside. Comment
  UCR120602  Melica imperfecta Steven R. Hill 2001-5-3 33668 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR214272  Melica imperfecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37742 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  SEINET10559686  Melica imperfecta Frank W. Gould 1943-4-17 Gould 2132 Riverside In small clumps on open rocky slopes; 4 miles east of Elsinore Comment
  UCR174103  Melilotus indicus A. C. Sanders 2006-5-19 32437 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
  RSA674528  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  UCR263246  Mentzelia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41469 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UCR35321  Mentzelia L. B. Ziegler 1968-6-12 307 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  LA210644  Mentzelia affinis A. M. Johnson; 1933-2-23 4177 Riverside E of Cook's Ranch, 4 mi. NW of Indian Wells, W of wash. Comment
  JOTR35453  Mentzelia albicaulis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 57 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UCR232388  Mentzelia desertorum Dave Silverman, Onkar Singh 2010-3-27 7854 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  UCR244728  Mentzelia desertorum Jim Andre 2012-3-19 21345 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UC68744 Image available Mentzelia involucrata H. M. Hall 1905-4-21 5839 Riverside near Salton; Colorado Desert; near Salton, Colorado Desert, Riverside Co. -76 Comment
  CHSC8267  Mentzelia involucrata var. megalantha Edward L. Smith 1957-4-3 235 Riverside Located 1 mi. n hwy. 99 to La Palms, Calif., in a wash. San Bernardino Mts. 91 Comment
  POM183473  Mentzelia involucrata var. megalantha J. Ewan 1930-4-18 3085 Riverside Dry Morongo Creek below Morongo Valley, Riverside County Comment
  RSA0127361  Mentzelia longiloba var. longiloba Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA0126945  Mentzelia longiloba var. longiloba P. A. Munz, R. D. Harwood 1920-4-3 3580 Riverside Ford's Well west of Blythe. 305 Comment
  RSA0035678  Mentzelia montana A. C. Sanders, Timothy W. Chumley 2013-4-5 40770 Riverside Temescal Canyon, 10 miles south of Corona, near El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  SBBG45338  Mentzelia nitens Leota Davidson 1966-4-6 115 Riverside near Joshua Tree Nat Monument headquarters Comment
  RSA689389  Mesembryanthemum nodiflorum Scott D. White 2003-6-9 9526 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR114305  Mesembryanthemum nodiflorum Julie A. Greene 1993-4-30 1261 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  RSA546307  Mesembryanthemum nodiflorum D. E. Bramlet, S. D. Boyd, A. C. Sanders, F. Roberts 1992-5-21 2291 Riverside The site is approximately 8 km southwest of Hemet. Found on the margin of vernal pools, which are located northwest of the intersection California Ave. and Stowe Rd., The site is located some 60 m N of Stowe Rd and some 122 m west of California Ave. 456 Comment
  SBBG101673  Micropus californicus S. Boyd with Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  CAS-BOT-BC348453  Micropus californicus var. californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta Comment
  UCR56701  Micropus californicus var. californicus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, just west of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue 610 Comment
  RSA524416  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4108 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR135855  Microseris heterocarpa A. C. Sanders 2004-4-20 27576 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
  RSA192096  Microseris lindleyi E. W. Lathrop 1959-5-3 4512 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  UCR213532  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37799 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA0018786  Mimetanthe pilosa Albert J. Perkins 1916-4-14 s.n. Riverside Idyllwld. Comment
  POM10950  Mimulus androsaceus I. M. Johnston 1922-5-20 5476 Riverside Kenworthy, Thomas Valley. 1463 Comment
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Mar 25 2011
  POM158440  Mimulus androsaceus P. A. Munz 1927-5-21 10855 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UC64230  Mimulus aurantiacus var. pubescens H. M. Hall 1900-5-15 Riverside just se Colton; Reche Canyon 457 Comment
  UCR233080  Mimulus aurantiacus var. pubescens T. B. Salvato, Richard Camacho 2011-6-12 5493 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
  UCR139614  Mimulus aurantiacus var. puniceus A. C. Sanders 2004-7-1 28383 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR174330  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32565 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
  RSA510032  Mimulus aurantiacus var. puniceus B. Pitzer, E. Misqez 1988-2-28 632 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UCR86864  Mimulus bigelovii A. C. Sanders, K. C. Rose 1995-4-27 16745 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  RSA23265  Mimulus bigelovii var. bigelovii Ernest Braunton 1940-03 2038 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA420949  Mimulus bigelovii var. bigelovii Howard Mullins 1931-4-26 s.n. Riverside Mecca Comment
  UCSB6096  Mimulus bigelovii var. bigelovii Haller, John 1960-4-2 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  UCR281481  Mimulus brevipes Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 79 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  UCR145962  Mimulus cardinalis June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR156286  Mimulus floribundus T. B. Salvato, Kent Beaman 2005-5-16 838 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
  JOTR32396  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 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
  RSA0120464  Mimulus guttatus Duncan S. Bell 2016-4-16 9308 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA660685  Mimulus guttatus Diane T. Liggett 1985-5-12 42 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Galivan Road. Ten to 40 ft from road edge. Comment
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Dec 2 2014
  UCSB7515  Mimulus guttatus Ralph, F. 1959-5-16 Riverside in San Jacinto Mtns; 8.5 miles north of Idyllwild and about 17.8 miles south of the corner of 8th St. and San Gorgornio Rd., Banning 1676 Comment
  UCSC000871  Mimulus guttatus Peter Kamb 1948-7-4 1163 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UC26998  Mimulus microphyllus Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  UC1537586  Mimulus nasutus Gordon H. True Jr. 1935-4-1 191 Riverside Box Springs 365 Comment
  UCR90761  Mimulus palmeri D. E. Bramlet 1995-4-26 2397 Riverside Shipley Multi-species Reserve. Beside (E) equestrian trail above a large ephemeral wash and approximately 122 m SW of Tucalota Creek. The site is 610 m north of access road BM 1487 488 Comment
  CLARK-A1528-4266  Mimulus pilosus Pete Holliday 1969-5-19 71 Riverside Riverside Comment
  UCR174342A  Mimulus pilosus A. C. Sanders 2006-5-19 32397 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET10622384  Mirabilis californica Greg Gust, Leith Nye 2005-3-11 Gust 545 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UCR25551  Mirabilis californica John C. Roos 1941-4-25 162 Riverside Plateau in Reche Canyon Comment
  UC75793  Mirabilis laevis var. crassifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  CAS-BOT-BC434820  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  NY43171  Mirabilis multiflora var. pubescens J. B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  UCR23539  Mirabilis multiflora var. pubescens John C. Roos 1946-8-27 2785 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  RSA774304  Mohavea confertiflora Duncan S. Bell 2011-4-8 2197 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA776136  Mohavea confertiflora Duncan S. Bell, Amanda Turek 2010-4-10 806 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA776252  Mohavea confertiflora Duncan S. Bell 2010-3-20 630 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR22484  Mohavea confertiflora C. S. Jones 1979-3-27 48 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  RSA0104497  Mollugo cerviana Duncan S. Bell 2015-9-30 8658 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCD99623  Mollugo cerviana B. Pitzer 1997-10-19 3356 Riverside N foot of Chuckwalla Mts., Eagle Mtn Rd on S side of Hwy I-10. 0.8 mile S of Hwy at Powerline Rd. 500 Comment
  LA62611  Monardella australis subsp. australis Elizabeth McClintock; 1939-7-10 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  CAS-BOT-BC220032  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 s.n. Riverside Jarupa [Jurupa] Hills Comment
  LA62742  Monardella linoides subsp. linoides Elizabeth McClintock; 1940-5-26 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  LA96097  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 102 Riverside Black Mountain Spring Comment
  UC1499898  Monardella nana Elizabeth McClintock 1941-6-8 59 Riverside Road up Santa Rosa Mt., 0.9 mi above Pines to Palms Highway Comment
  UCR221481  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 056 Riverside Peninsular Range; Santa Rosa Mtns., road to Santa Rosa Mtn., 0.3 mi. above Pines to Palms Highway 1456 Comment
  POM48878  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-27 8739 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA67396  Monardella nana subsp. tenuiflora Verne Grant, Alva Grant 1951-7-22 16105 Riverside Dark Canyon campsite, N of Idyllwild, San Jacinto Mts 1768 Comment
  UC1499917  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 74 Riverside on road to Black Mt. (1 1/2 mi from snow gate) Comment
  UC1499959  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 101 Riverside 2 mi beyond the snow gate Black Mt. Comment
  UCR260872  Monolepis nuttalliana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41577 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCSB9756  Monoptilon bellidiforme Haller, John 1960-4-2 Riverside At north base of Orocopia Mtns., 1.3 miles south of the junc. of U.S. 60-70 and the south entrance road to Joshua Tree Nat. Mon. 487 Comment
  CAS-BOT-BC349794  Monoptilon bellioides Carl B. Wolf 1932-4-29 3112 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  CAS-BOT-BC349795  Monoptilon bellioides J. H. Thomas 1949-2-28 56 Riverside Southern part of Palm Springs Comment
  POM363580  Monoptilon bellioides N. C. Cooper 1949-4-8 3301 Riverside Desert Center. 610 Comment
  RSA733450  Monoptilon bellioides Lyman Benson 1933-3-31 4177 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SD28014  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside 5.0 miles east of Desert Center. 149 Comment
  UC1051456  Monoptilon bellioides Herbert L. Mason 1952-4-7 14210 Riverside Palm Springs Palm Canyon Comment
  UCR214163  Monoptilon bellioides T. B. Salvato 2010-4-20 4059 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CAS-BOT-BC349792  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  UC7827  Montia chamissoi H. M. Hall July, 1901 2362 Riverside Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2743 Comment
  RSA357119  Montia fontana R. F. Thorne 1973-5-23 45520 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  UCR116508  Montia fontana A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 743 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  VVC692  Muhlenbergia microsperma P. J. MacKay, C. Sanders 1997-2-8 104 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  POM305797  Muilla maritima Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1062 Riverside Elsinore. Comment
  PASA2572  Myosurus minimus Frank W. Peirson 1922-4-29 2945 Riverside Lake Elsinore Comment
  SDSU13517  Myriopteris newberryi W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA124411  Nama demissa Percy C. Everett, E. K. Balls 1958-4-29 9830 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City. 549 Comment
  UCR110404  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23173 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA484101  Nassella cernua N. C. Cooper 1944-5-6 1174 Riverside Banning. 701 Comment
  UC821907  Nassella cernua P. A. Munz and I. M. Johnston 1922-5-21 5540 Riverside Hemet Valley San Jacinto Mts. 1402 Comment
  SBBG89095  Nassella pulchra B. Pitzer, K. Kirtland 1986-3-6 200 Riverside N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  RSA469852  Navarretia atractyloides Robert Gustafson, Gary D. Wallace 1983-6-23 2711 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  RSA561867  Navarretia atractyloides Steve Boyd, T. S. Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San Mateo Creek. 405 Comment
  UCR70679  Navarretia fossalis D. E. Bramlet 1991-6-1 2181 Riverside Perris-Aguanga Basin region, San Jacinto River, open swale area, about 2 km west of Lakeview and 30 m east of the river, about 170 m north of MWD easement road 473 Comment
  RSA627853  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR71845  Nemacladus longiflorus var. breviflorus George K. Helmkamp 1995-4-16 92- 5 Riverside Sonoran (Colorado) Desert, Coachella Valley; Mission Creek, 0.4 mi. south of Indian Avenue on old Hwy 62 500 Comment
  UCR31680  Nemacladus longiflorus var. longiflorus John C. Roos 1947-3-15 3343 Riverside Peninsular Range; San Jacinto Valley/ San Jacinto Mtns. Foothills, 1 mile east of Valle Vista 549 Comment
  RSA439263A  Nemacladus ramosissimus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA657237  Nemacladus rubescens J. Mark Porter, Valerie Soza, G. D. Wallace 2001-4-2 12334 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA0119739  Nemacladus tenuis var. aliformis Duncan Bell 2011-3-19 2062 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  RSA0123360  Nemacladus tenuis var. tenuis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9044 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  POM184247  Nemophila menziesii P. A. Munz 1932-3-24 12023 Riverside North of Elsinore 305 Comment
  POM3740  Nemophila menziesii Alice Eastwood 1904-4-4 4124 Riverside Elsinore, Riverside County. Comment
  RSA734387  Nemophila menziesii Unspecified 1938-5-26 s.n. Riverside Hurkey Creek Comment
  RSA783108  Nemophila menziesii J. D. Olmsted 1962-5-2 441 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UCR96702  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SEINET270112 Image available Neogaerrhinum strictum Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains Indian Portero Trail south from Verdugo Portero to Indian Portero on ridge between Talega 610 Comment
  UCR166856  Nicotiana clevelandii Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR176679  Nicotiana glauca G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  RSA0060575  Nicotiana glauca Bob Rogers 1984-4-14 1 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  JOTR31981  Nolina bigelovii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2217 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  SD40821  Nolina bigelovii Carl B. Wolf 1932-10-13 Riverside Colorado desert; Eagle Mountains; 0.5 mile before Cottonwood Springs Comment
  HSC962  Notholaena californica W. R. Supernaugh, Jr. 1964-12-24 26 Riverside Agua Caliente Indian Reservation. Andreas Canyon Comment
  SD9402  Notholaena californica subsp. californica C. C. Parry Mar 1876 Riverside San Jacinto Mountain Comment
  UCR244472  Oenothera californica Jim Andre 2012-4-16 20943 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
  POM12929  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  POM355281  Oenothera californica subsp. californica N. C. Cooper 1944-5-6 116 Riverside Banning. 701 Comment
  UC219588  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA649936  Oenothera claviformis L. Fountain 1966-2-23 18 Riverside Colorado Desert [along Highway] 60, 1 mile south of Garnet. Comment
  RSA118387  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22962 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  UCR178162  Oenothera elata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR114165  Oenothera primiveris B. G. Pitzer, J. Ross 1998-3-8 3617 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  SEINET7259072 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 8262 Riverside Chuckawalla Valley sand dunes, east of the Chuckawalla Mountains 122 Comment
  UCR148854  Oligomeris linifolia 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
  CDA7540  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 mi. S of Van Buren Blvd. Comment
  POM314675  Opuntia phaeacantha J. W. Toumey 1916-9-25 s.n. Riverside Near Riverside. Comment
  RSA524391  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3501 Riverside Pauba Valley, Hwy 79 crossing of Temecula River (or Creek), 4.6 miles E of junction with road to Pala. 305 Comment
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Nov 28 2010
  CHSC14089  Orcuttia californica N. Hogg 1969-4-30 Riverside Mesa de Burro; ca. 4 miles w of Murrietta; on the bottom of a 'cattle tank,' ne portion of the mesa. Comment
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Apr 3 2011
  HSC84099  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47312 Riverside Rancho California, Mesa de Burro. Santa Rosa Plateau 610 Comment
  JEPS18058  Orcuttia californica Frank W. Peirson 1922-5-19 3020 Riverside Menifee Valley Comment
  JEPS85951  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4529 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  CAS-BOT-BC500136  Orobanche fasciculata Philip A. Munz 1937-5-31 15124 Riverside Kenworthy, S part of San Jacinto Mts. 1371 Comment
  RSA602273  Orobanche parishii subsp. parishii Louis C. Wheeler 1952-4-5 6851 Riverside Mecca Hills: Mouth of Painted Canyon. Comment
  RSA64888  Oxytheca emarginata R. S. Woglum 1937-5-24 12082 Riverside Santa Rosa Indian Reservation. 1220 Comment
  RSA279605  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4571 Riverside San Jacinto Mountains, 0.3 mile south of California Hwy 74 on the road to Mile High Trap Club-1 mile road junction west of Mountain Center. 1311 Comment
  POM202645  Paeonia californica Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  UC1287050  Paeonia californica C. L. Hitchcock 1966-3-15 24165 Riverside about 10 mi ne Temecula Comment
  SEINET3148310  Palafoxia arida G. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert at Palm Springs Comment
  UCR20845  Palafoxia arida A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1309 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
  POM308547  Palafoxia arida var. arida Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3148 Riverside 10 miles east of Indio. Comment
  RSA363758  Palafoxia arida var. arida N. C. Cooper 1942-4-25 617 Riverside Palm Springs. Comment
  UC61508  Palafoxia arida var. arida L. D. Copeland 1904-5-5 Riverside Palm Springs Comment
  UC665894  Palafoxia arida var. arida Ira L. Wiggins 1941-3-27 9670 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  CAS-BOT-BC154115  Palafoxia linearis N. Aitkenhead 1977-2-2 s.n. Riverside 2 mi. W. of junction of 1000 Palms Canyon Rd & T/L Comment
  CAS-BOT-BC540738  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot; Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCR102826  Parietaria hespera var. californica A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR20760  Parietaria hespera var. californica A. C. Sanders, Steve Boyd 1980-5-2 1440 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA621901  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2905 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA92898  Parietaria hespera var. hespera F. W. Peirson 1920-2-15 1714 Riverside Tahquitz Canyon near Palm Springs Comment
  RSA796453  Parkinsonia florida Duncan S. Bell 2009-4-18 225 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
  POM228765  Pectis papposa F. W. Peirson 1937-11-27 12245 Riverside La quinta, about sea level. Comment
  CAS-BOT-BC355866  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  UCR126937  Pectocarya anisocarpa Julie A. Greene 1993-5-12 1320 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  UCR214130  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37728 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
  UCR97470  Pectocarya anisocarpa A. C. Sanders 1997-3-1 19754 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA682121  Pectocarya heterocarpa Valerie Soza 2003-3-15 s.n Riverside Orocopia Mountains. Comment
  UCR180352  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA0028398  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4978 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
  SD144478  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386 Ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR241933  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-3-28 40694 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  RSA0031014  Pectocarya platycarpa J. Andre 2013-3-27 24802 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA775799  Pectocarya recurvata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 989 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCD120134  Pectocarya recurvata Geoffrey Levin 1976-3-27 688 Riverside Chino Canyon, west of Palm Springs, alluvial fan of the San Jacinto Mountains. 396 Comment
  UCR281223  Pectocarya recurvata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 48 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  UCR97449  Pectocarya recurvata A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  JOTR33959  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2845 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  UC454809  Pedicularis semibarbata I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  UCSB18151  Pediomelum californicum Gates, Mary 1964-5-17 Riverside Pinyon Flats Campground, State Highway 74, 25 miles SE of Indio 1219 Comment
  RSA747516  Pellaea andromedifolia Justin M. Wood 2009-3-10 344 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SEINET7073446  Pellaea mucronata A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR89842  Pellaea mucronata Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3307 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SFV13130  Pellaea mucronata var. mucronata M. J. Thor 1982-9-17 138 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  SD229047  Pennisetum setaceum Dick Schwenkmeyer 2012-5-22 711 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR245888  Pennisetum setaceum R. F. Thorne 1995-3-29 63028 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR243168  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  RSA0103098  Penstemon clevelandii subsp. connatus Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8542 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  POM250043  Penstemon eatonii E. C. Jaeger 1939-5-20 s.n. Riverside Falcon Flats, 20 miles south of Warren's Well 1220 Comment
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Oct 30 2012
  NY601213  Penstemon grinnellii var. grinnellii E. K. Balls 1953-8-19 18540 Riverside Mountain Home Springs, Santa Rosa Mountain 1920.2 Comment
  RSA6012  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA33812  Penstemon spectabilis N. C. Cooper 1944-6-4 1322 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  UC887347  Penstemon spectabilis var. spectabilis P. A. Munz 1922-6-24 5796 Riverside Hemet Valley San Jacinto Mts., , Hemet Valley (Pipe Creek) 1554 Comment
  UC399570  Pentagramma triangularis subsp. triangularis Fred M. Reed 1908-2-23 2242 Riverside n of Wilder's Canyon; Jurupa Hills Comment
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Jul 30 2006
  UCR114823  Pentagramma triangularis subsp. triangularis Mitch Provance, Seychelle Provance 1998-2-17 88 A Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  POM13282  Perideridia parishii subsp. latifolia P. A. Munz 1922-9-15 6367 Riverside Taqhuitz Valley, San Jacinto Mountains. 2195 Comment
  RSA0042375  Peritoma arborea Duncan S. Bell, LeRoy Gross 2014-3-20 6282 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR133973  Peritoma arborea Mitch Provance, J. S. Ross 1998-3-27 MOR- 962 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR147835  Perityle emoryi Steve Boyd, Et al. 2004-5-14 11214 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR279346  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-23 42933 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  SD225080  Persicaria lapathifolia Scott D. White, Steve Ogg 1994-10-17 2481 Riverside City of Temecula, Murrieta Ck. Channel 1000ft N of bridge at Rancho Calif. Ave. 299 Comment
  CAS-BOT-BC167770  Petalonyx thurberi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  UCD117303  Petalonyx thurberi Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  JOTR30075  Petalonyx thurberi subsp. thurberi La Doux, Tasha, Bill Truesdell 2006-10-3 1718 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA515204  Peucephyllum schottii Steve Boyd, Orlando Mistretta 1986-3-13 1479 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  UCR244871  Peucephyllum schottii Jim Andre 2012-3-19 21392 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA0119994  Phacelia affinis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9085 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
  POM13267  Phacelia ambigua E. C. Jaeger 1922-3-4 1103 Riverside Painted Canyon near Mecca. Comment
  POM14022  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4841 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM3797  Phacelia ambigua Louis Greata 1905-04 s.n. Riverside Coachella Colorado Desert. Comment
  RSA348924  Phacelia ambigua Robert F. Thorne, R. Rutherford 1964-4-12 33657 a Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA554212  Phacelia ambigua Theo Glenn 1991-4-9 91 -4 Riverside Big wash in Eagle Mountains 787 Comment
  RSA653710  Phacelia ambigua Scott D. White 2000-3-23 7637 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA0012187  Phacelia ambigua var. minutiflora Dave Silverman, Mark Bibbo 2010-3-30 7836 Riverside east flank of southern McCoy Mountains, 3.0 km W of Black Creek Rd, 5.8 km NE of McCoy Peak, and 7 km north of I-10 195 Comment
  RSA171352  Phacelia brachyloba J. D. Olmsted 1962-5-3 3507 Riverside San Jacinto Mts 1616 Comment
  RSA427682B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 b Riverside San Jacinto Mountains, west side. 1220 Comment
  UCR87655  Phacelia brachyloba A. C. Sanders 1994-5-30 14604 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CHSC707  Phacelia campanularia F. Hughes 1935-4-16 Riverside East of Indio, Colorado Desert. 30 Comment
  RSA88319  Phacelia campanularia J. T. Howell 1928-3-11 3448 Riverside Whitewater Bridge near Whitewater, Coachella Valley, Riverside County. Comment
  UCR103257  Phacelia campanularia B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3570 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCSB5353  Phacelia campanularia Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 road miles N. of U.S. 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  SEINET5537057  Phacelia campanularia E. Neese 1979-4-10 7066 Riverside Joshua Tree National Monument south of Twenty-Nine Palms, between Pinto Basin junction and Cottonwood Wash. 305 Comment
  JEPS1113  Phacelia campanularia subsp. campanularia S. Walker 1937-3-24 Riverside Deep Canyon Santa Rosa Mountains Comment
  RSA0121028  Phacelia campanularia subsp. campanularia Duncan S. Bell, LeRoy Gross 2016-3-29 9110 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SBBG33693  Phacelia cicutaria var. hispida A. C. Sanders with K. Knudsen, T. B. Salvato 2004-5-18 27899 Riverside summit ridge of Alberhill Mtn, along dirt rd 503 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
  UCR116810  Phacelia crenulata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23940 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR102923  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2669 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR124004  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 2001-4-14 6465 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  RSA0125283  Phacelia crenulata var. minutiflora Duncan S. Bell 2016-3-4 8788 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  JEPS1528  Phacelia curvipes Marjorie D. Clary 1933-5-28 2290 Riverside about 10 mi s of Kenworthy; Colorado Desert, Santa Rosa Mts. 1371 Comment
  RSA0007629  Phacelia davidsonii P. A. Munz, D. Keck 1923-6-14 7068 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  HSC93338  Phacelia distans Scott D. White 1996-4-14 3902 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  POM6742  Phacelia distans P. A. Munz, Street, Williams 1919-3-28 2374 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA0039605  Phacelia distans Deidre Conocchioli, Duncan S. Bell 2014-3-4 144 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA593994  Phacelia distans D. L. Banks, E. H. Banks 1996-5-2 938 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  RSA776282  Phacelia distans Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 884 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  SD178224  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. In open area on gentle slope at foot of hills. 377 Comment
  UC1262278  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside hills e Norco Comment
  UC68751  Phacelia distans H. M. Hall April, 1905 5884 Riverside Chuckawalla Bench Colorado Desert Comment
  UCR19172  Phacelia distans John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR201488  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR228918  Phacelia distans A. C. Sanders 2011-4-6 39014 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UC663064  Phacelia fremontii James E. Cole 1941-5-2 673 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  JOTR01172  Phacelia fremontii Cole, James E. 1941-5-2 673 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  CLARK-A1528-563  Phacelia minor C. M. Flanagan 1973-4-26 OO 313 Riverside Morongo Indian Reservation 914 Comment
  RSA525286  Phacelia minor Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4599 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR263758  Phacelia minor J. M. Porter, Lauren E. Machen 1997-2-15 11418 Riverside Gavilan Hills, north of Hwy I-15 at the Lake Street/Walker Canyon exit, 4.4 mi northeast of the Hwy 74 exit a t Lake Elsinore 390 Comment
  UCR98212  Phacelia minor B. G. Pitzer 1997-4-1 3060 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA485840  Phacelia neglecta T. S. Elias 1988-2-26 10690 Riverside Northeastern section of Eagle Mtns east of Joshua Tree National Monument; growing in flat rocky area adjacent to boundary of Joshua Tree National Monument. Comment
  SEINET3141298  Phacelia pedicellata R. W. Spellenberg 2001-4-26 13217 Riverside 30 air km NE of Mecca in feeder canton to Cottonwood Canyon 800 Comment
  SEINET3091923 Image available Phacelia ramosissima Scott White 1991-5-10 91 -130 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  UC64049  Phacelia ramosissima var. latifolia H. M. Hall June, 1901 2284 Riverside in vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  RSA112736  Phacelia suaveolens subsp. keckii J. T. Howell 1931-5-30 6611 Riverside Santiago Peak. 1220 Comment
Read comments
Jul 21 2018
  UCR182516  Phalaris paradoxa Mitch Provance 2005-5-17 6569 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
  JEPS49608  Philadelphus microphyllus var. stramineus Frank W. Peirson 1924-7-27 4991 Riverside Dark Canyon, Mt. San Jacinto. 2286 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
  RSA552751  Pholistoma racemosum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6737 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman s Camp. 366 Comment
  HSC87256  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park Comment
  CAS-BOT-BC135113  Phoradendron californicum Peter H. Raven 1958-1-23 11418 Riverside in desert wash 7.8 miles N of United States Highway 99 on road to Morongo Valley Comment
  SD229302  Phoradendron californicum Dick Schwenkmeyer 2012-11-6 871 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC1194633  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near junction of rd. from s. end with U.S. 60 & 70 Joshua Tree Nat'l Monument; Colorado Desert, Joshua Tree Nat'l Monument 152 Comment
  UC1971181  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  RSA336422  Phoradendron densum Robert F. Thorne, A. Shmida 1978-4-23 52079 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA604872  Phoradendron densum Scott D. White 1995-12-24 3796 Riverside Perris-Aguanga Basin region: Lakeview Mountains. Juniper Flats Rd. ca. 1 1/2 road miles N of jct. w/ SR 74. 610 Comment
  UC1073268  Phoradendron villosum George B. Rossbach 1955-4-22 230 Riverside slope between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  RSA289859  Phragmites australis B. A. Prigge 1980-12-15 4118 Riverside Whitewater Marsh: 4 miles S of Mecca -70 Comment
  RSA0035037  Physalis hederifolia Lee Haines 1952-4-6 s.n. Riverside Box Canyon. [county not specified] Comment
  JEPS8969  Physalis philadelphica Mr. McGraw 1904-1 Riverside Riverside Comment
  POM12205  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SEINET6330417 Image available Pilularia americana James Henrickson 1969-5-16 3256 Riverside 6 miles W of Murrieta on Colorado Mesa of Santa Rosa Plateau near large vernal pool Comment
  HSC86142  Pinus coulteri B. Freeman 1969-3-24 690324 Riverside James Reserve, ca. 20 m W of Indian Creek. 1646 Comment
  RSA220955  Pinus coulteri E. W. Lathrop 1966-3-23 6115 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  UCR231041  Pinus coulteri A. C. Sanders, Kent Beaman 2011-9-27 39921 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  POM11516  Pinus flexilis Philip A. Munz 1922-6-28 5886 Riverside Santa Rosa Mts. Toro Peak. 2439 Comment
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Mar 28 2014
  UCSB69  Pinus jeffreyi Bobkowski, Jr., Vincent 1960-5-15 Riverside 5.2 miles north of Idyllwild on Road to banning in the San Jacinto Mountains; San Bernardino National Forest Comment
  UCSB95  Pinus monophylla Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  RSA86362  Pinus quadrifolia F. W. Peirson 1922-5-20 3059 Riverside Hemet Valley, San Jacinto Mts. 1494 Comment
  CLARK-A1528-3591  Pityrogramma triangularis John C. Roos 1936-11-21 Riverside La Sierra Comment
  UCR151370  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside Peninsular Ranges; Perris-Aguanga Basin region, 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 Terra Cotta Comment
  SBBG100815  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  SD234339  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murietta Region: SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds and S of Murrieta Hot Springs Rd, side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 106 Comment
  SEINET6097276  Plagiobothrys canescens Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR281250  Plagiobothrys canescens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 36 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  UCR113194  Plagiobothrys collinus A. C. Sanders 1998-3-11 21676 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR120898  Plagiobothrys collinus A. C. Sanders, D. Malueg 2002-4-8 24910 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR225445  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38850 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR225739  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38887 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  RSA585502  Plagiobothrys collinus var. fulvescens D. L. Banks, S. D. Boyd 1995-5-9 0364 A Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR260517  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7999 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
  VVC2448  Plagiobothrys jonesii Tim Thomas 2013-3-18 5940 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  POM213630  Plagiobothrys leptocladus P. A. Munz 1941-5-18 16650 Riverside About 15 miles northeast of Temecula. Comment
  POM287294  Plagiobothrys nothofulvus Lyman Benson 1932-3-26 3176 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR116847  Plagiobothrys nothofulvus A. C. Sanders, Steven R. Hill 2001-5-4 24145 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
  RSA695840  Plagiobothrys tenellus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  UCR201657  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-5-15 12000 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR211722  Plantago coronopus Fred M. Roberts 2005-5-26 6211 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, between the Ramona Expressway and Ramona Blvd, 0.2 km north of the latter, 1.9 km southwest of Gilman Hot Springs 442 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
  UCR150973  Plantago erecta D. L. Banks 1997-3-29 1589 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR22077  Plantago erecta Steve Boyd 1980-5-3 174 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  HSC80287  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 mi. W of Rancho California at the junction of Rancho California Rd. & De Luz Rd. 427 Comment
  RSA707978  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  SDSU14095  Plantago lanceolata Jonathan S. Austin, Michael G. Simpson 2002-4-20 19 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river,growing on slight mound of soil about two feet high. Santa Margarita Ecological Reserve. 229 Comment
  UCD124529  Plantago ovata LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1439 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 479 Comment
  RSA550270  Plantago ovata var. fastigiata Walter Wisura, J. Dolan, M. Wall 1992-3-24 4626 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA596529  Plantago ovata var. fastigiata D. L. Banks 1996-7-16 1130 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road)., Along a disturbed hillside and adjacent roadside 427 Comment
  RSA68981  Plantago ovata var. fastigiata F. W. Peirson 1926-2-22 6510 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  CAS-BOT-BC93216  Platanus racemosa Tom Paradise 1993-6-5 31 Riverside Santa Ana Mountains. Main Street Canyon. Corona. One mile upstream of Main Street and Upper Drive. Comment
  POM1499  Platanus racemosa I. M. Johnston 1917-4-4 1094 Riverside Andreas Canyon, near Palm Springs. 229 Comment
  RSA494648  Platanus racemosa B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  SBBG99836  Platanus racemosa W. L. Halvorson 1977-4-1 77 -215 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UCR338  Platanus racemosa Eugene Cardiff, Ken Smith 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  HSC85459  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA445709  Platystemon californicus G. R. Johnstone 1934-3-27 18575 Riverside Near Wildomar. Inland route to Temecula. Comment
  RSA0034947  Platystemon californicus var. crinitus Lee Haines 1951-5-20 5152 Riverside VandeVenter Flats, San Jacinto Mts. 1524 Comment
  SBBG14312  Pleuraphis rigida H. and M. Dearing 1936-12-25 Riverside Thousand Palms Comment
  UC1861750  Pleuraphis rigida G. D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  POM48450  Pleurocoronis pluriseta P. A. Munz 1925-3-7 9346 Riverside Painted Canyon, Mecca. Comment
  UCR60788  Pleurocoronis pluriseta Steve Boyd, O. Mistretta 1986-3-13 1482 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  RSA93727  Pleurocoronis pluriseta F. W. Peirson 1927-4-12 7173 Riverside Painted Canyon, near Mecca Comment
  SDSU19225  Pluchea odorata var. odorata Kristen Hasenstab, Dave Bailey 2008-8-7 180 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  CAS-BOT-BC326548  Pluchea sericea H. M. Hall 1901-1-1 s.n. Riverside San Jacinto Mountains Comment
  UCSB38652  Pluchea sericea Cowan, Clark 1978-4-24 Riverside 2.5 mi. (4 km.) from Ave 84, jct. of Johnson Rd. and Ave 81, near Hwy. 86 Comment
  RSA93084  Pluchea sericea F. W. Peirson 1918-03 1298 Riverside Palm Springs. Comment
  RSA525256  Poa secunda Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4568 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  RSA525343  Poa secunda Steve Boyd, Mark Skinner, A. C. Sanders 1990-4-28 4441 b Riverside Vail Lake area, summit of 'Big' Oak Mtn, N of lake 762 Comment
  UCR103904  Poa secunda B. G. Pitzer 1997-4-11 3104 Riverside Lakeview Mountains, Pulsar View Road, c. 0.5 mi. (air) SSE of Mt. Rudolph. 640 Comment
  UCR213466  Poa secunda A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37833 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR2701  Poa secunda F. M. Reed 1920-3-24 4232 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCD169224  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 304 -13 Riverside On N side of Hwy. 74. Comment
  UC665640  Polygala acanthoclada Annie M. Alexander and Louise Kellogg 1941-5-9 2139 Riverside 1.5 mi n Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountians 975 Comment
  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
  UCR189814  Polygala cornuta var. fishiae Theresa Johnson 2007-5-2 332 Riverside Peninsular Range, Santa Ana Mountains, Santa Rosa Plateau. Near Mesa de Burro Comment
  UCR264615  Polygonum aviculare Mitch Provance 2011-6-6 17010 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UCR49989  Polygonum aviculare S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  SBBG61496  Polygonum douglasii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  CLARK-A1528-87  Polypogon monspeliensis Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  UCR139136  Polypogon monspeliensis Julie A. Greene 1993-4-17 1208 Riverside San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd 439 Comment
  SDSU13009  Populus balsamifera subsp. trichocarpa Michael G. Simpson 1999-10-27 2044 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC102604  Populus fremontii Marian L. Campbell 1921-3-19 34 Riverside Banning Comment
  SD229275  Populus fremontii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 893 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  SD229278  Populus fremontii subsp. fremontii Dick Schwenkmeyer 2012-10-16 851 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  RSA599946  Porophyllum gracile L. C. Wheeler 1959-12-27 7635 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SD233340  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR132714  Potamogeton pectinatus A. C. Sanders, O. F. Clarke 1991-6-10 11129 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UC415580 Image available Potentilla gracilis var. fastigiata H. E. Hasse 1892-7-1 5696 Riverside Strawberry Valley; ; Strawberry Valley, San Diego Co. [formerly] Comment
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Dec 11 2006
  GMDRC3105  Proboscidea althaeifolia J. Andre, T. La Doux 2008-9-13 10267 Riverside Chuckwalla Valley: along dirt road approx. 2 mi. N. of Desert Center, 0.5 mi. W. of Tamarisk Golf Course (at Kaiser Rd Jct) 33 deg. 44.159' N 115 deg. 24.434' W. Elev. 769 ft. 234 Comment
  SD211455  Prosopis glandulosa var. torreyana Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1216 Riverside 30 miles west of Blythe near Palen Dry Lake. About two miles south, southeast from the north end of Palen Dry Lake. Access the area from the Corn Springs exit from I-10. Comment
  UCD108225  Prosopis glandulosa var. torreyana G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  CAS-BOT-BC216521  Prosopis pubescens Munz; et al 1919-3-26 2343 Riverside Near Salton Sea Comment
  RSA698640  Prunus fasciculata J. R. Bruff 1928-4-2 167 Riverside Cottonwood Springs. Comment
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Mar 23 2015
  CAS-BOT-BC151119  Prunus fremontii Paul F. Covel 1938-4-21 1192 Riverside East Slope, Palms-Pines Hgwy. Comment
  LA208139  Prunus fremontii Miss Helflaud; March 1925 6492 Riverside Palm Springs 121 Comment
  POM13083  Prunus fremontii A. Gilman 1922-3-18 s.n. Riverside Andreas Canyon near Palm Springs. Comment
  RSA453238  Prunus fremontii Anstruther Davidson 1893-4-10 1844 Riverside Palm Springs. Comment
  SBBG71044  Prunus fremontii R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
  POM230650  Prunus virginiana var. demissa I. W. Clokey, E. N. Anderson 1935-8-21 6673 Riverside West of Poppet Flat. 1200 Comment
  UC1979532  Pseudognaphalium californicum Darin L. Banks, Steve Boyd 1995-4-5 158 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. Comment
  UC468790  Pseudognaphalium stramineum E. E. Schellenger 1906-4-3 Riverside Santa Marie Mts. Colorado Desert, Santa Marie Mts. Comment
  CAS-BOT-BC80073  Pseudotsuga macrocarpa P. C. Everett 1935-6-18 7205 A Riverside Santa Ana Mts., Coldwater Canyon Trail, about 2 mi. below main divide motorway 1219 Comment
  SEINET10530886  Pseudotsuga macrocarpa David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46547 Riverside Collected in the San Jacinto Mts. above Idylwild. At the base of the trail to Taquitz Peak. 2286 Comment
  RSA198968  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37436 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  PASA2297  Psilocarphus globiferus Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 380 Comment
  UC1007140  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 mi s Cottonwood Springs; Eagle Mts. 914 Comment
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Nov 2 2011
  CAS-BOT-BC346356  Psorothamnus Annie M. Alexander; Louise Kellogg 1941-5-17 2193 Riverside near Dos Palms Comment
  CHSC845  Psorothamnus arborescens var. minutifolius M. Anthony 1954-4-15 Riverside Comment
  CAS-BOT-BC353579  Psorothamnus arborescens var. simplicifolius S. B. Parish 1907-4-23 6108 Riverside Palm Springs, western border of the Colorado Desert 150 Comment
  CAS-BOT-BC353587  Psorothamnus arborescens var. simplicifolius Roxana S. Ferris 1918-6-13 955 Riverside 2 miles east of Banning Comment
  JEPS41709  Psorothamnus arborescens var. simplicifolius M. F. Gilman 1904-1 51 Riverside Colorado Desert Comment
  CAS-BOT-BC353643  Psorothamnus emoryi E. R. Johnson 1928-6-8 s.n Riverside along highway south of Mecca, west side of Salton Sea Comment
  JEPS41631  Psorothamnus emoryi Mary Beal 1939-10-25 706 Riverside between Whitewater and Indio (Mojave Desert); , betw Whitewater and Indio Comment
  RSA1195  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside Indio. 0 Comment
  UC555333  Psorothamnus emoryi Curtis Ferris 1932-3-20 63 Riverside Oasis Comment
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Jun 24 2008
  CDA27789  Psorothamnus schottii G. D. Barbe 1978-5-2 2366 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  RSA6199  Psorothamnus schottii B. D. Stark 1932-6-5 1515 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  SD146262  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 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
  CAS-BOT-BC340946  Psorothamnus spinosus John Thomas Howell 1928-1-28 3291 Riverside Thousand Palms, Colorado Desert Comment
  POM47617  Psorothamnus spinosus M. French Gilman 1924-07 s.n. Riverside Near Palm Springs. Comment
  RSA11595  Psorothamnus spinosus C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Near Cathedral City near Palm Springs Comment
  SBBG68035  Psorothamnus spinosus V. Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Cyn 243 Comment
  UCSB33255  Psorothamnus spinosus Miller, Brian 1963-6-1 Riverside Powerline access road 4 mi. S of Curtis Palms 24 Comment
  SBBG56227  Pteridium aquilinum var. pubescens M. Lewis 1947-8-26 18 Riverside San Jacinto Mtns 1981 Comment
  HSC17563  Pterostegia drymarioides C. L. Hitchcock, C. V. Muhlick 1964-3-17 23079 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  POM13039  Pterostegia drymarioides P. A. Munz, D. D. Keck 1922-4-13 4948 Riverside Eagle Mountains. 244 Comment
  POM209228  Pterostegia drymarioides S. G. Stokes 1934-7-1 313 Riverside San Jacinto Mountains 1067 Comment
  RSA678446  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 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
  SEINET7073383  Pterostegia drymarioides A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC1563132  Pterostegia drymarioides Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3156 Riverside hills just to s.w. of dam Vail Lake area 487 Comment
  UCR152636  Pterostegia drymarioides A. C. Sanders 2005-4-22 29611 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA249100  Pulicaria hispanica O. F. Clarke 1972-9-17 s.n. Riverside Santa Ana river bottom. Adjacent river view drive Rubidoux Comment
  UCR214303  Punica granatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38399 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  SEINET13382482 Image available Quercus Mitch Provance 2009-1 17424 Riverside Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  RSA751250  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  RSA38770  Quercus X munzii P. A. Munz 1947-8-21 12270 Riverside [No location information on label.] Comment
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Jul 24 2019
  SD122174  Quercus agrifolia James C. Dice, Ruth Miller 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. 365 Comment
  POM296368  Quercus berberidifolia Lyman Benson 1945-11-10 11916 Riverside 5 miles east of Temecula. 457 Comment
  UCR250920  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 4 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  CAS-BOT-BC62443  Quercus chrysolepis E. A. McGregor 1941-6-12 26 Riverside Santa Rosa Mt. Comment
  RSA597520  Quercus chrysolepis Louis C. Wheeler 1945-10-6 6128 Riverside San Jacinto Mountains. North fork San Jacinto River. 1890 Comment
  SDSU6965  Quercus chrysolepis H. Wedberg 1962-7-28 989 Riverside About 1 mile from Mountain Center on the road to Hemet. 1280 Comment
  UCR169240  Quercus chrysolepis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 84 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  CDA37126  Quercus cornelius-mulleri Mike Lahti 2012-4-5 PDR# 1590321 Riverside Anza. Comment
  CAS-BOT-BC257626  Quercus dumosa P. S. Manos 1988-10-27 676 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  UC500660  Quercus dumosa Aven Nelson 1930-3-1 11165 a Riverside Jack-rabbit Trail Banning Comment
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Mar 21 2011
  RSA228817  Quercus engelmannii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 607 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  SDSU13622  Quercus engelmannii W. Miller with C. Mosse 1972-7-20 Riverside 75 yards past fork next to olive trees. Comment
  UC1135589  Quercus engelmannii R. St. John 1930-3-18 108 Riverside Lakeside Mountain Elsinore Quad. 731 Comment
  UCR155338  Quercus engelmannii A. C. Sanders, Mike Misenhelter 2005-3-23 29264 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SEINET2066665 Image available Quercus john-tuckeri Ward B. Holt 1941-10-21 10 -1941 Riverside Near Split Rock, Joshua Tree N.M. Comment
  UC520243  Quercus kelloggii Carl Epling 1931-10-4 Riverside Strawberry Valley San Jacinto Mts. Comment
  UCSC001110  Quercus kelloggii Peter Kamb 1947-5-17 519 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  UC338415 Image available Quercus macdonaldii var. elegantula Edw. L. Greene 1889-6-1 Riverside Temecula Canyon Comment
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Mar 27 2011
  UCR265851  Quercus palmeri Mitch Provance, Jeffrey S. Ross-Ibarra 1998-8-14 1013 Riverside Jurupa Mountains, Rattlesnake Mtn., Crestmore Heights, knoll (1542), c. 4.2 km NW of downtown Riverside 396 Comment
  UCR100577  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21597 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  RSA543175  Rafinesquia californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6085 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA653157  Rafinesquia californica Mitch Provance 1998-6-6 694 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  SDSU12948  Rafinesquia californica Jutta Buschbom 1991-6-3 22 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  POM311103  Rafinesquia neomexicana H. K. Sharsmith 1952-4-10 4059 Riverside Smoke Tree Wash, ca 5 mi. NE of Cottonwood Spirngs, Joshua Tree National Monument 854 Comment
  UCD135363  Rafinesquia neomexicana R. L. Smith 1948-3-25 s.n. Riverside Cabazon. Comment
  UCR18915  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 610 Comment
  UCR182102  Ranunculus occidentalis Tom Chester 2006-2-26 868 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: S. Trans Preserve Trail, just below top of Mesa de Colorado, ~0.75 miles (1.2 km) due west of Santa Rosa Ranch 588.4 Comment
  CLARK-A1528-802  Rhamnus crocea Stanley W. Austin 1969-5-15 42 Riverside Santa Ana Mountains 0 Comment
  SBBG101776  Rhamnus crocea S. Boyd, T. Ross 1991-6-14 6383 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
  JEPS42076  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside San Jacinto mt. 1706 Comment
  RSA586043  Rhamnus ilicifolia D. L. Banks, S. D. Boyd 1995-3-16 96 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, Arroyo Seco drainage. 537 Comment
  UCR187283  Rhamnus ilicifolia Diane Menuz, Theresa Johnson 2006-6-15 164 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  UCR240648  Rhamnus ilicifolia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 415 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  JEPS58761  Rhododendron occidentale W. L. Jepson 1903-8-6 2272 Riverside San Jacinto Mountain, Dark Canyon Dark Canyon; San Jacinto Mountain, Dark Canyon 1828 Comment
  RSA471017  Rhododendron occidentale B. C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  RSA2102  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass. 152 Comment
  RSA650223  Rhus ovata G. W. Mason 1949-1-23 s.n. Riverside Found in Batista Canyon 7-10 miles east of Hemet 518 Comment
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Apr 29 2011
  UC217847  Rhus ovata P. A. Munz, D. Keck 1922-4-14 5004 Riverside e Whitewater Ranch; Colorado Desert 213 Comment
  UCR261205  Rhus ovata A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41730 Riverside Temesal Canyon, hilltop above DePalma Rd., about mid way between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  UC195328  Rhus trilobata S. B. Parish 1906-5-13 10839 Riverside Cottenwood Spring; Colorado Desert Comment
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Sep 4 2011
  UC1127367  Ribes amarum A. Lewis Mar 1934 351 Riverside Sugarloaf Peak Cleveland <National Forest>, Corona Quadrangle Comment
  CAS-BOT-BC93062  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  RSA221071  Ribes indecorum E. W. Lathrop 1966-3-23 6113 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  SBBG34220  Ribes malvaceum T. L. Secrest 1951-5-20 Riverside N slope of San Jacinto Mtns Comment
  RSA162690  Ribes malvaceum var. viridifolium J. D. Olmsted 1960-2-22 1104 Riverside Up Tin Mine Canyon, first side canyon to the left with mining lcaim past jct with Hgador Canyon, Santa Ana River. 389 Comment
  CAS-BOT-BC219235  Ribes nevadense E. A. McGregor 1941-6-12 7 Riverside Idyllwild, San Gabriel Mountains Comment
  JEPS49290 Image available Ribes nevadense W. L. Jepson 1901-5-19 1306 Riverside Strawberry Valley Mt. San Jacinto Comment
  POM12661  Ribes nevadense P. A. Munz 1922-9-6 6384 Riverside North fork of Tahquitz Creek. 2210 Comment
  SEINET3089522 Image available Ricinus communis Michael DeJong 1971-4-10 Riverside Riverside, Hill behind apartments 5400 block of Olivewood Avenue, Riverside Comment
  RSA648215  Ricinus communis Stephen Hill 1981-2-16 13 Riverside Cajalco Rd. 1 mile E. of hwy 15. Comment
  RSA662126  Ricinus communis Daniel Curran 1981-2-16 19 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  UC50166  Romneya coulteri H. P. Chandler 1898-5-16 Riverside Corona Comment
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Jul 4 2010
  UCR251867  Romneya coulteri M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  CAS-BOT-BC92173  Romneya coulteri var. coulteri P. C. Everett 1935-6-17 7167 Riverside Santa Ana Mountains. Coldwater Canyon Trail to Santiago Peak, 2 miles above Glen Ivy Resort. 609 Comment
  UCR95251  Rorippa nasturtium-aquaticum D. L. Banks, E. H. Banks 1996-5-2 950 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  POM49849  Rosa californica Philip A. Munz, I. M. Johnston 1924-7-29 8882 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  UCR24927  Rosa californica A. C. Sanders 1980-7-18 1661 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
  RSA735929  Rubus discolor Scott D. White, Justin M. Wood 2008-5-29 12042 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  LA20820  Rubus parviflorus W. B. Welch; 1928-5-5 Riverside San Jacinto Mountains, Idlywild Comment
  RSA802093  Rumex acetosella Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4986 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCSB14952  Rumex californicus Breedlove, Dennis 1961-8-5 Riverside along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
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Nov 24 2014
  UCR100176  Rumex hymenosepalus Scott D. White 1994-4-23 2038 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR182532  Rumex salicifolius var. denticulatus Mitch Provance 2005-5-17 6578 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
  UC6968  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 2474 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  UCR113611  Sagittaria latifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  POM3991  Salazaria mexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  LA208629  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 602 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  SDSU12995  Salix exigua var. hindsiana Michael G. Simpson 1999-10-27 2026 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC108147  Salix gooddingii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18103 Riverside San Bernardino Mtns. - Morongo Indian Reservation, vicinity of natural pond & bog at SE ede of Burro Flats 1097 Comment
  POM2035  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UC492428  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside 3 meters above mouth Diablo Canyon (near Clary's Coral Reef Ranch); Colorado Desert, foot of e slope Santa Rosa Mts. Comment
  UCR112489  Salix gooddingii A. C. Sanders, T. B. Salvato 2000-5-30 23434 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
  SEINET4855853  Salix gooddingii var. variabilis Carl W. Sharsmith 1932-3-20 14 Riverside Foot of E slope of Santa Rosa Mts., in Diablo Canyon, 3 mi above its mouth, near Clary's Coral Reef Ranch. Comment
  RSA0010970  Salix hindsiana Patricia Wilder 1971-9-29 5275 Riverside San Jacinto River drainage area. Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA191446  Salix laevigata E. W. Lathrop, Robert F. Thorne 1967-9-26 6633 Riverside 6 miles NW of Murrieta. Comment
  UCR3404  Salix lasiolepis John Minnich 1964-3-9 64-3-9- 2 Riverside Peninsular Range, City of Riverside. 'Two Trees Canyon' c. 0.25 mi. from end of Two Trees Road, near the east end of Blaine St. 366 Comment
  UC310670  Saltugilia australis Philip A. Munz 1926-5-2 10424 Riverside 5 mi nw Dripping Spring; nw of Dripping Spring Comment
  UC1080318  Saltugilia splendens subsp. splendens P. C. Everett and E. K. Balls 1958-5-4 23083 Riverside Morongo Canyon 670 Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. Comment
  UCD125454  Salvia apiana B. Pitzer 1997-4-20 3194 Riverside Lakeview Mountains: Warren Road, ca. 1/2 miles (airline) northeast of Contour Road. Just past turnoff to the water tank. 518 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
  UCR262266  Salvia apiana T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3739 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UC2029919  Salvia clevelandii Scott D. White, T. B. Salvato 2001-6-8 8581 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  RSA651679  Salvia columbariae J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  SEINET7073411  Salvia columbariae A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  SEINET9373157  Salvia columbariae Unknown 2011-4-6 39022 Riverside Santa Ana Mountains Comment
  UCR108140  Salvia columbariae B. G. Pitzer 1997-3-23 2998 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
  UCR120959  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23884 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCSB5777  Salvia columbariae Stoppel, Gordon 1958-3-22 Riverside Off side road; at campsite near Indio highway; several miles from Indio Comment
  UCSB9331  Salvia columbariae Lloyd, Robert 1960-3-23 Riverside 1 mi from US Hiway 99 on State Rd 111; to Palm Springs; San Jacinto Mt Range; Colorado Desert 396 Comment
  SEINET10499063  Salvia columbariae R. P. Levine, H. S. Brown 1947-4-12 Levine 2 Riverside Wash, Pushawalla Canyon, Indio Hills. Comment
  SEINET12273131  Salvia columbariae J. F. Bright, Wyman, C. 1933-1 8096 Riverside Near Palm Springs Comment
  CAS-BOT-BC226137  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside East of Coachella Canal 3.6 miles on a road up the south side of the Orocopia Mountains Comment
  UCR241123  Salvia greatae Petra Wester 2004-6-3 499 Riverside Sonoran (Colorado) Desert, dirt road [Bradshaw Trail] between Orocopia and Chocolate mountains 240 Comment
  UCR251323  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 2 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 0.5 mi. east (88 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 283 Comment
  RSA525270  Salvia mellifera Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4584 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SD232707  Salvia mellifera Scott D. White 1995-4-5 2708 Riverside Western Riverside: Badlands: Base of Badlands slopes, off Redlands Bl. USGS Sunnymead 7I(c) quad. 640 Comment
  UCR127346  Salvia mellifera A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25850 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR207644  Salvia reflexa O. F. Clarke 2003-6-20 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  CAS-BOT-BC414253  Salvinia minima R. E. Riefner, Jr. 2011-10-16 11 -142 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  CAS-BOT-BC235030  Sambucus H. M. Hall 1901-6-1 2216 Riverside Onstat's Canon [Onstatt's Canyon], San Jacinto Mt. 1676 Comment
  CAS-BOT-BC238860  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-8-6 3991 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  SDSU13668  Sambucus nigra subsp. caerulea W. Miller, C. Mosse 1972-8-9 Riverside Comment
  RSA736255  Sanicula arguta Scott D. White, Justin Wood 2008-4-3 11793 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UC1552639  Sanicula arguta B. Pitzer and E. Misquez 1988-2-28 628 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro 426 Comment
  CAS-BOT-BC223224  Sanicula bipinnatifida Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3904 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake 822 Comment
  RSA85102  Sanicula bipinnatifida J. C. Roos 1952-4-29 5599 Riverside Reche Canyon 457 Comment
  CLARK-A1528-1454  Sanicula tuberosa John C. Roos 1954-4-17 6068 Riverside Reche Canyon 670 Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UCR23393  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Summit of Reche Canyon. 765 Comment
  UCR25136  Sanicula tuberosa T. Gull 1973-5-19 s.n. Riverside San Jacinto Mtns., Hwy 74, [below Mountain Center] 5 mi. south of Idyllwild 1500 Comment
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  UCR42583  Sarcostemma cynanchoides B. G. Pitzer 1986-4-26 0185 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UC1546665  Sarcostemma cynanchoides subsp. hartwegii Barry A. Prigge 1988-2-21 7858 Riverside 2 mi. w. Clemens Well; Colorado Desert, Orocopia Mts. 228 Comment
  UC520042  Sarcostemma cynanchoides subsp. hartwegii N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Box Canyon Comment
  UC708738  Sarcostemma cynanchoides subsp. hartwegii H. K. Wagnon 1944-5-25 391 Riverside near falls n. side Tahquitz Canyon; Palm Springs Comment
  CLARK-A1528-1469  Sarcostemma hirtellum John C. Roos 1937-4-18 Riverside Colorado Desert Comment
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Mar 3 2014
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  CAS-BOT-BC239931  Schismus arabicus A. C. Sanders; Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  CDA2418  Schismus arabicus G. D. Barbe 1984-2-7 4133 Riverside 2 miles northeast of Desert Center. 0 Comment
  SEINET3197218 Image available Schismus arabicus Andrew C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q) 130 Comment
  JOTR33989  Schismus barbatus La Doux, Tasha, M. Harding 2010-4-7 2877 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
  UCR112956  Schismus barbatus B. G. Pitzer 1998-3-1 3547 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCSB466  Schismus barbatus Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  SEINET11681573  Schismus barbatus Unknown 1936-1 12842 Riverside Colorado Desert 5 mi N of Palm Springs Comment
  POM220056  Schoenoplectus americanus F. R. Fosberg 1932-3-13 8079 Riverside Thousand Palms Canyon. Coachella Valley. Comment
  RSA366056  Schoenoplectus americanus Anstruther Davidson 1904-5-1 1092 Riverside Palm Springs. Comment
  CLARK-A1528-16  Scirpus acutus C. M. Flanagan 1973-6-13 OO 712 Riverside Morongo Indian Reservation 1127 Comment
  UC840660  Scirpus californicus Ira L. Wiggins 1937-2-19 8572 Riverside Tule swamp 1/2 mi n Palo Verde; Tule swamp 1/2 mi n of Palo Verde Comment
  RSA425200  Scrophularia californica subsp. floribunda N. C. Cooper 1944-5-20 1257 Riverside Palms to Pines Hwy. San Jacinto Mts. 1433 Comment
  UCR195119  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  IRVC27401  Selaginella bigelovii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  RSA717616  Selaginella bigelovii Scott D. White 2006-4-27 11305 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR98062  Selaginella bigelovii A. C. Sanders 1997-3-1 19731 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  SEINET4065944  Selaginella eremophila S. B. Parish 1907-1 611 Riverside Collected from the western border of the Colorado desert. 200 Comment
  UC1495242  Selaginella eremophila Robert T. Clausen and Harold Trapido 1940-6-18 4678 Riverside near Palm Springs (mouth of Chino Canyon); Salton Sea Basin, San Jacinto Mts. 457 Comment
  UC1595589  Senecio californicus Steve Boyd and Dave Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park , se base Bachelor Mtn. (se base Bachelor Mtn) Comment
  UCR136000  Senecio californicus Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  RSA219213  Senecio flaccidus var. douglasii C. W. Tilforth, John Dourley 1970-9-2 300 Riverside South of Lake Fulmor, County Highway R1. Comment
  SEINET3406127 Image available Senecio mohavensis Jim Andre, T. La Doux 2009-3-10 11249 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood. (Cottonwood Basin 7.5' Q.) 542 Comment
  RSA673503  Senecio vulgaris Scott D. White, Sandy Leatherman 2000-4-19 7670 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  CDA15715  Senna armata G. F. Hrusa, J. A. Hart 1993-4-4 10594 Riverside S of 29 Palms. Comment
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May 15 2009
  CLARK-A1528-2876  Sesbania exaltata John C. Roos 1937-8-22 1211 Riverside Blythe Comment
  UC1529476  Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside near Oasis (lower Coachella Valley, e side of Hwy 195, ca 0.5 mi n of intersection with Hwy 86, and just n of Ave 76); Coachella Valley -51 Comment
  CLARK-A1528-1387  Sesuvium verrucosum John C. Roos 1937-5-10 2332 Riverside Lake Elsinore Comment
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Jun 24 2014
  RSA588598  Sesuvium verrucosum D. L. Banks, S. D. Boyd 1995-12-17 809 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
  RSA674753  Sesuvium verrucosum Scott D. White 2001-6-29 8633 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  UCR84473  Sesuvium verrucosum Steve Boyd, D. Banks 1994-9-29 8372 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  UCR2737  Setaria parviflora F. M. Reed 1908-7-29 2553 Riverside South Coast; San Bernardino Valley, Riverside: upper side of Gage Canal near 8th Street bridge 311 Comment
  UCR139985  Setaria viridis A. C. Sanders 2004-8-10 28761 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  SD227847  Sidalcea malviflora Scott D. White 1997-5-18 5166 Riverside Vista Grande area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road miles SE of Banning). 441 Comment
  CAS-BOT-BC109425  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  SBBG62401  Sidotheca trilobata E. Rockwell 1920-7-4 887 Riverside Hemet Grade 914 Comment
  POM13244  Silene antirrhina P. A. Munz, I. M. Johnston 1922-5-19 5357 Riverside 5 miles NE of Murietta. 457 Comment
  UCR193298  Silene antirrhina A. C. Sanders, Tim Thomas 2008-6-20 35546 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CHSC223  Silene laciniata subsp. laciniata E. Thomas 1940-5-26 Riverside Comment
  RSA438889  Silene laciniata subsp. major N. C. Cooper 1944-6-4 1318 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  SBBG71661  Silene parishii R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  CAS-BOT-BC202948  Simmondsia chinensis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 276 Riverside Alongside trail 75' south of Andreas stream, opposite mouth of North Canyon. Andreas Canyon near Palm Springs 365 Comment
  SEINET7248312  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2014-1 6288 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC1130464  Simmondsia chinensis A. Lewis 1933-2-1 144 Riverside Round Mountain; San Jacinto Quad., Round Mountain Comment
  UC192524  Simmondsia chinensis Samuel B. Parish Mar 1884 9 Riverside Colorado Desert Comment
  UCR244323  Simmondsia chinensis Jim Andre 2012-4-16 20923 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA761685  Simmondsia chinensis Robert F. Thorne 1986-1 62096 Riverside [Unspecified] Comment
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Apr 27 2011
  UCR266305  Sinapis arvensis D. E. Bramlet, Jeff Crain 2009-5-18 4384 Riverside Perris-Aguanga Basin Region, San Jacinto Wildlife Area, east side of Davis Road, 213 m north of Marvin Rd. and 457 m south of the San Jacinto River 434 Comment
  UCR103723  Sisymbrium irio B. G. Pitzer 1998-2-1 3432 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR112970  Sisymbrium irio B. G. Pitzer, T. Tennant 1998-2-21 3532 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  UCR150018  Sisymbrium officinale Scott D. White, Angelia Carey 2004-5-7 10339 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SEINET7992210  Sisymbrium orientale Ana Lilia Reina G. 2003-3-30 2003 -321 Riverside Palm Canyon, Agua Caliente Indian Reservation, edge of Palm Spring NWbase of San Jacinto Mountains 274 Comment
  UCR156082  Sisymbrium orientale T. B. Salvato, Kent Beaman 2005-5-16 813 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
  RSA0012654  Sisyrinchium bellum LeRoy Gross, Caitlin Elam 2013-5-14 6080 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. Started near 1332 Comment
  UC219275  Sisyrinchium bellum Munz and Johnston 1922-5-19 5442 Riverside Hemet Valley; San Jacinto Mountains 1432 Comment
  SD185320  Solanum aviculare A. C. Sanders 1993-1-30 Riverside Rustin Ave. ca. 1 block N of Spruce St. 289 Comment
  UCR158802  Solanum mauritianum A. C. Sanders 1993-1-30 s.n. Riverside Riverside: Rustin Ave. c. 1 block N of Spruce St. 290 Comment
  CDA9769  Solanum nigrum Jennifer Chandler 2007-8-17 PDR# 1339139 Riverside San Jacinto; Alta Nursery, 21700 Alessandro Ave. at Bergin St. Comment
  CDA5981  Solanum rostratum Steve Boyd 1988-7-24 2858 Riverside El Sobrante Road at junction with Mockingbird Canyon Road, NE of Lake Mathews 0 Comment
  RSA263744  Solanum umbelliferum E. W. Lathrop 1968-5-22 6913 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA632458  Solanum umbelliferum Scott D. White 1999-5-28 7431 Riverside Gavilan Hills: Ca.