Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA518562  Abies concolor F. C. Vasek 1976-7-4 760704 -5 Riverside San Jacinto Mountains, Pine Cove. 1829 Comment
  UCR63918  Abies concolor Frank C. Vasek 1976-7-4 760704- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  CAS-BOT-BC229340  Abronia villosa Peter H. Raven 1958-1-23 11426 Riverside Fringing United States Highway 99, 6.5 miles north-west of Indio Comment
  POM192450  Abronia villosa var. aurita Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
Read comments
May 19 2011
  POM193048  Abronia villosa var. aurita Marcus E. Jones 1929-7-13 24802 Riverside Temecula Bridge Comment
Read comments
May 19 2011
  RSA33621  Abronia villosa var. aurita Robert L. Rutherford 1944-7-15 1592 Riverside Palms to Pines Highway. 1463 Comment
  RSA764467  Abronia villosa var. aurita Doris Bowers 1972-4-15 1826 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  RSA784775  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3179 Riverside The Mecca Hills; southeastern section of hills; up the east fork of Hidden Springs Canyon, approximately 1.75 air miles southwest of Hidden Spring. 95 Comment
  UCR37458  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCR42809  Abronia villosa var. aurita A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6457 C Riverside Peninsular Range, Temescal Wash just below Lee Lake [Corona Lake], 5 mi NW of Alberhill 366 Comment
  SD39336  Abronia villosa var. villosa Edith A. Purer 1935-4-21 6453 Riverside Near Palm Springs. Comment
  CAS-BOT-BC154103  Acamptopappus sphaerocephalus M. McCollum 1976-6-10 s.n. Riverside 4 mi. W. of Desert Hot Springs Comment
  RSA314634  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55428 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR25767  Acer negundo John C. Roos 1949-4-2 4134 Riverside upper San Timoteo Canyon Comment
  SEINET223686 Image available Achnatherum coronatum Mary E. Barkworth 1981-1 3407 Riverside Riverside/San Diego CO: Near Aguanga. 914 Comment
  UCD50319  Achnatherum coronatum Frank W. Gould 1943-4-17 2128 Riverside 12 miles S of Corona on road to Elsinore. Comment
  SEINET7300421 Image available Achnatherum coronatum R. W. Pohl 1963-5-29 9429 Riverside S fork of San Jacinto River and N fork of San Jacinto River, Hy 74 Comment
  RSA346258  Achnatherum hymenoides R. F. Thorne, WA Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54056 Riverside Along Whitewater River, E of bridge and levee Comment
  SBBG29382  Achnatherum hymenoides D. Myrick 1968-3-4 1807 Riverside Country Club Rd at E edge of Palm Desert 60 Comment
  RSA423493A  Achyronychia cooperi E. S. Spalding 1913-03 14822 Riverside E. of Banning. Comment
  RSA797564  Achyronychia cooperi Baker, Michelle Cloud-Hughes 2011-12-18 17501 Riverside 67km WNW of Blythe, 17km west of Palen Pass, 27km NNE of Desert Center 175 Comment
  SFV4435  Achyronychia cooperi D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  UCR214874  Achyronychia cooperi A. C. Sanders 2010-3-15 37388 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR60790  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 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
  SEINET5327524  Acmispon argophyllus var. argophyllus I. W. Clokey, E. G. Anderson 1935-8-21 6719 Riverside E of Keen Camp P.O., by road 1350 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
  JOTR35451  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UCD170827  Acmispon glaber var. brevialatus T. B. Salvato; John F. Green 2004-5-27 622 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. Comment
  JOTR29302  Acmispon heermannii var. heermannii La Doux, Tasha, Mike Bell 2006-5-17 1379 Riverside Joshua Tree National Park. East Deception Canyon Comment
  SD45463  Acmispon rigidus Robert L. Dressler 1949-3-19 426 Riverside 23 miles northeast of Desert Center. Comment
  CAS-BOT-BC226246  Acmispon strigosus A. C. Sanders 2011-4-6 38995 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
  JOTR35199  Acmispon strigosus Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21108 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  JOTR16557  Adenophyllum cooperi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY; NORTH SIDE MONUMENT ROAD 1341 Comment
  SD146171  Adenostoma fasciculatum Andy C. Sanders, S. D. Boyd, M. Provance 1999-9-14 23074 Riverside San Bernardino Valley; Colton Dunes, dune remnant on Slover Ave. between Pepper Ave and the tank farm, ca. 1 mile due W of Slover mtn. 320 Comment
  UCR110975  Adenostoma fasciculatum George K. Helmkamp 1998-6-27 4087 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
  SEINET5537635  Adenostoma sparsifolium H. S. Gentry 1954-1 14250 Riverside Dripping Springs, along Route 79. Comment
  UCR193950  Adenostoma sparsifolium A. C. Sanders 2008-7-25 35902 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SEINET3412072  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  SD127982  Agrostis idahoensis Michael Curto 1989-8-6 600 Riverside San Jacinto Mountains, Fuller Ridge Trail. At springy north headwaters of Fuller Mill Creek. 2695 Comment
  UCR187315  Agrostis idahoensis Naomi Fraga, Et al. 2006-7-11 1714 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  UCR2126  Agrostis idahoensis F. M. Reed 1908-7-11 2500 Riverside San Jacinto Mtns., trail to San Jacinto Peak 2927 Comment
  UCR90348  Agrostis pallens Scott D. White 1995-6-30 3414 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR96425  Agrostis pallens Scott D. White 1996-8-1 4425 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR24960  Agrostis scabra A. C. Sanders 1980-8-23 1753 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  SEINET269466 Image available Agrostis viridis Scott D. White, Steve Ogg 1994-10-17 2496 Riverside Temecula Valley Riverside. City of Temecula Murrieta Ck Channel at confluence with Sta Gertrudis CK. USGS 7 1/2' Murr Comment
  RSA450097  Alchemilla occidentalis J. C. Roos 1950-4-22 4751 Riverside On the hills N.E. of the summit of Reche Canyon. 823 Comment
  UCR97757  Alchemilla occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA98785  Allenrolfea occidentalis P. A. Munz 1926-1-31 9975 Riverside Dos Palmas Spring Comment
  RSA703745  Allionia incarnata LeRoy Gross 2005-3-3 1563 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCD98019  Allionia incarnata Geoffrey Levin 1976-10-17 1187 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  UCR87152  Allium ampeloprasum Steve Morgan 1995-5-18 s.n. Riverside Garden of Edith McKenzie, 22918 Pahute Drive, Moreno Valley Comment
  RSA0048297  Allium burlewii Elwood Fordham 1951-5-25 s.n. Riverside San Jacinto Mtn. 1828 Comment
  UCD138541  Allium haematochiton Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  SEINET8467180 Image available Allium haematochiton M. McLeod, Keil, D. 1979-1 K 12872 Riverside Alberthill jct along Hwy 71 366 Comment
  UCR114758  Allium munzii Scott D. White, D. E. Bramlet 1999-4-22 7237 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  CLARK-A1528-3074  Allium peninsulare Sue Damon 1981-5-19 20 Riverside Box Springs Mountains 731 Comment
  RSA495439  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2966 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA543598  Allium peninsulare Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6130 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  CAS-BOT-BC475414  Allium praecox Steve Boyd 1986-4-2 1625 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR117344  Allium praecox Mitch Provance 1998-3-20 250 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  POM161529  Allophyllum divaricatum Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  SD143744  Allophyllum divaricatum A. C. Sanders, P. MacKay, T. Thomas and O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road (McMullen Flat), nmorth slope of peak 3740. 1067 Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  SEINET10904656  Alnus rhombifolia James S. Miller 1992-5-8 Miller 7470 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  HSC46427  Alopecurus saccatus Christopher Davidson 1977-5-25 5648 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mtns. 701 Comment
  POM259508  Amaranthus blitoides E. C. Jaeger 1939-12-26 s.n. Riverside Asio Canon [made-up name], 4 mi. north of Indio 122 Comment
Read comments
Nov 5 2011
  UCR113877  Amaranthus blitoides Mitch Provance, A. C. Sanders 2000-7-4 2089 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR266151  Amaranthus cruentus R. E. Riefner Jr. 2015-11-1 15- 427 Riverside Perris-Aguanga Basin, city of Perris, Encanto Road c. 0.4 mi south of Ethanac Road, east of Hwy I-215 448 Comment
  RSA0106724  Amaranthus fimbriatus Duncan S. Bell 2011-9-30 2936 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  UCR264250  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR95420  Amaranthus fimbriatus L. C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mtns., near Black Hill, by Pines to Palms Hwy. 976 Comment
  UCD128668  Amauriopsis dissecta J. C. Roos 1946-8-24 2923 Riverside Santa Rosa Mountains. 2286 Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
Read comments
Nov 2 2011
  UCSB10270  Ambrosia acanthicarpa Ballard 1954-10-30 Riverside 3 miles south of Men's Reform School, (Chino Institute), Chino 198 Comment
  CLARK-A1528-4996  Ambrosia dumosa John C. Roos 1948-4-24 3796 Riverside Whitewater Comment
  OBI25271  Ambrosia dumosa F. Seaman 1971-4-9 35 e Riverside 51.6 mi E of Twentynine Palms on State hwy 62 Comment
  RSA780229  Ambrosia dumosa Stephanie Rockwood, Christi Gabriel 2011-10-12 107 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UC1118437  Ambrosia dumosa H. S. Yates 1936-4-8 5436 Riverside 2 mi se Willis Palm; Thermal Quad. 243 Comment
  RSA0042755  Ambrosia dumosa J. R. Bruff 1928-12-29 401 Riverside Lone Cottonwood Ranch 2 mi S.E. of Dos Palmas Comment
  UCR232764  Ambrosia pumila John Dvorak, Ana Hernandez 2011-9-7 020 Riverside Perris/Aguanga Basin, north Alberhill, c. 180 m south of the intersection of Lake Street and Temescal Canyon Road, 110 m east of Lake Street 378 Comment
  RSA0008347  Ambrosia pumila Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6331 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  CAS-BOT-BC273026  Ambrosia salsola Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  CAS-BOT-BC273029  Ambrosia salsola Roxana S. Ferris 1953-4-20 12638 Riverside Road to Lost Palms Canyon ca. 4 mi. N of Shaver summit Comment
  CAS-BOT-BC273035  Ambrosia salsola F. A. M. 1936-3-20 14477 Riverside Morongo Valley Comment
  HSC5855  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 mi. S of Palm Desert, along Palms to Pines Hwy. Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs Comment
  SEINET2052885 Image available Ambrosia salsola John Adams 1966-3-12 457 Riverside Hwy 74 2 mi. above Palm Desert. 609 Comment
  JEPS20779  Ambrosia salsola var. salsola Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13235 Riverside 11.3 mi n Blythe (U.S. 95 in wash arising in Big Maria Mts.); Big Maria Mts. Comment
  SBBG97706  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  UCR281019  Ambrosia salsola var. salsola Fred M. Roberts 2016-3-5 7998 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SD148121  Ammannia coccinea D. E. Bramlet, A. C. Sanders et al. 1999-10-15 2818 Riverside 198 m S of Gilman Hot Springs Rd., 1.22 km NW of Hwy 79 and 2.1 Km S of Jackrabbit Trail. 433 Comment
Read comments
Mar 21 2011
  RSA787989  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 571 Riverside Cleveland National Forest. Roadside. Comment
  UCR261444  Amsinckia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41435 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UC1212043  Amsinckia intermedia Peter H. Raven 1959-4-23 14015 Riverside 1.3 mi e Dripping Springs Comment
  UCR2879  Amsinckia intermedia N. J. Matthews 1963-4-10 41063 2 Riverside 2 mi east of junction of Pigeon Pass Rd and Mt. Vernon along roadside 488 Comment
  RSA0089920  Amsinckia menziesii Duncan S. Bell 2010-4-1 671 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UCR30073  Amsinckia tessellata George K. Helmkamp 1983-4-5 483 17 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC874528  Angelica tomentosa Mary F. Spencer 1923-7-28 2315 Riverside Banning road, Idyllwild, San Jacinto Mountain San Jacinto Mountain; , Idyllwild, Banning Road Comment
  RSA455526  Angelica tomentosa var. tomentosa N. C. Cooper 1949-6-29 4354 Riverside Above Banning 915 Comment
  UC130485  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  RSA0000866  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  UCR226740  Antirrhinum filipes Jim Andre 2011-2-18 15815 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
  UC1929734  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UCR174602  Antirrhinum kelloggii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32621 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  UCR79265  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR107893  Antirrhinum nuttallianum G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  CAS-BOT-BC218515  Apiaceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  SD187326  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UC454464  Aquilegia formosa I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR202616  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 C Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA78728  Arabis pulchra P. A. Munz 1952-4-15 17346 Riverside Ridge south of Pleasant Valley, Joshua Tree National Monument 1220 Comment
  RSA207633  Arceuthobium campylopodum James Henrickson 1969-10-25 4258 Riverside 9 mi. SE of Idyllwild near Hemit Reservoir. 1372 Comment
  RSA629140  Arctostaphylos Jon E. Keeley 1992-7-16 16563 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA559459  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-5-4 7208 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA796517  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49727 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA629432  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16835 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  CAS-BOT-BC24670  Arctostaphylos glauca Scott D. White 1996-4-14 3922 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. USGS 548 Comment
  RSA631846  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20175 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 3 km south of Pinyon Pines, Santa Rosa Mountains. 1350 Comment
  RSA632648  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16516 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA721870  Arctostaphylos glauca Michael Wall 2007-2-16 427 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
  SDSU13967  Arctostaphylos glauca Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2086 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA633522  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16684 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA141484  Arctostaphylos pringlei subsp. drupacea H. A. Jensen 1937-11-5 444 Riverside Upper Strawberry Valley, San Bernardino National forest. 1860 Comment
  RSA748159  Arctostaphylos pringlei subsp. drupacea K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 15 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  UCR160060  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 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
  UCSB7361  Arctostaphylos pringlei subsp. drupacea Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, 1/2 mile (?) up San Jacinto Peak Trail 1859 Comment
  JEPS46254  Arctostaphylos pungens A. E. Wieslander 1929-2-1 Riverside near Prison Camp; San Jacinto Mts. Comment
  SBBG58423  Arctostaphylos pungens R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  UC63818  Arctostaphylos pungens H. M. Hall 1901-6-9 2190 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  RSA636018  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18802 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636158  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18814 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR274184  Arctostaphylos rainbowensis Dick Newell, Judy Booth 2015-10-25 413 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.62 miles SSE of Hacienda Rd., 0.68 mile NW of Elsinore Peak 932 Comment
Read comments
Mar 1 2020
  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
  UCR35069  Argemone munita L. B. Ziegler 1964-8-10 015 Riverside San Jacinto Mtns, Garner Valley 1375 Comment
  CAS-BOT-BC207122  Argythamnia lanceolata S. B. Parish 1896-4-4 4141 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 213 Comment
  CAS-BOT-BC137658  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside Base of the mountains north of Mecca. Comment
  CLARK-A1528-4463  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mount Rubidoux 365 Comment
  JOTR35359  Aristida adscensionis Harding, Mitzi, M. Wheeler 2011-1-26 144 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  SEINET3918922  Aristida adscensionis Elizabeth Neese 1979-4-10 7084 Riverside Ca 25 mi W of Blythe, desert along Interstate 10.; 0 244 Comment
  UCR229271  Aristida adscensionis Ginny Short 2011-3-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Canyon Rd., c. 9 miles due east of Cathedral City 183 Comment
  UCR23319  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon. 457 Comment
  RSA746807  Aristida purpurea Michael Honer 2003-7-15 1845 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  UCSB37795  Aristida purpurea Roos, John 1965-9-26 Riverside Palm Springs 121 Comment
  CAS-BOT-BC500347  Aristida purpurea var. nealleyi A. C. Sanders; Jim Malusa 2015-3-9 41368 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Rd at major wash crossing 1.9 mi S of Bradshaw Trail, US Navy Chocolate Mts Aerial Gunnery Range 686 Comment
  UCR110452  Artemisia biennis D. E. Bramlet 1998-6-25 2640 Riverside Perris-Aguanga Basin region, North Domenigoni Hills. 1.83 km east of Warren Road and 1 km south of Harrison Avenue, 244m east of the access road to the EMWD storage tank 495 Comment
  CLARK-A1528-151  Artemisia californica Nancy Atha 1963-3-3 3-3- 63 -5 Riverside Riverside 274 Comment
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Mar 25 2014
  HSC25255  Artemisia californica Richard Spjut 1972-2-18 2209 Riverside ca. 4 miles south of Beaumont on Hwy.60 Comment
  JOTR34155  Artemisia dracunculus Harding, Mitzi, M. Wheeler 2013-9-21 83 Riverside Joshua Tree National Park. Queen Valley; SE of Barker Dam, near Wall Street Mill parking area 1304 Comment
  RSA0098177  Artemisia dracunculus Duncan S. Bell 2014-11-14 7708 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  SEINET2044543 Image available Artemisia ludoviciana subsp. redolens Dave Charlton 1986-12-26 652 Riverside Coxcomb Range at E end of Joshua Tree National Monument, northernmost West facing large canyon in the range, just north of Specter Peak. 915 Comment
  SD204767  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside North base of San Jacinto Mountains, west of Highway 111, just east of Snow Creek Road. Comment
  UCR163799  Asclepias albicans John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Base of Orocopia Mtns, S side; east of Desert Beach; c. 1 mi N of Coachella Canal 146 Comment
  RSA0023092  Asclepias albicans John F. Emmel 1995-4-21 1367 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  SEINET3081813 Image available Asclepias erosa Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6487 Riverside Chuckwalla Valley, 2.8 miles northeast of Desert Center 198 Comment
  SEINET175012 Image available Aspidotis californica F. M. Reed 1920-4-20 5829 Riverside Summit of grade between Pala and Temecula. 914 Comment
  UCR154820  Aspidotis californica A. C. Sanders, Mike Misenhelter 2005-3-23 29284 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM49135  Aster alpigenus Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  POM48847  Aster hesperius Mr Grout, S. Grout 1900-9-27 s.n. Riverside Cienega Comment
Read comments
Jul 4 2010
  UCR93055  Aster subulatus Steve Boyd 1985-8-7 1121 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  CAS-BOT-BC477877  Asteraceae J. H. Thomas 1949-2-28 60 Riverside Southern part of Palm Springs. Comment
  GMDRC5834  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  JEPS54565  Astragalus coccineus Lawrence Saylor 1935-3-24 200 Riverside 6 mi se Cottonwood Springs; se of Cottonwood Springs Comment
  JEPS48853  Astragalus crotalariae Marjorie D. Clary 1932-3-25 953 Riverside Conchilla Desert Comment
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Sep 14 2011
  RSA26857  Astragalus crotalariae I. L. Wiggins 1941-3-24 9580 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UCR127361  Astragalus douglasii A. C. Sanders, D. Malueg 2003-5-8 26563 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  CAS-BOT-BC178445  Astragalus douglasii var. parishii P. A. Munz 1922-4-29 5114 Riverside Aguanga Comment
  UCR101097  Astragalus gambelianus Jack Easton 1998-4-16 s.n. Riverside Murrieta region, 'The Willows', a development c. 1 mi. SW of Skunk Hollow, Santa Gertrudis Creek drainage. 366 Comment
  UCR90390  Astragalus gambelianus D. L. Banks, Steve Boyd 1995-5-9 320 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 732 Comment
  SBBG133728  Astragalus gambelianus A. C. Sanders, T. B. Salvato 2011-4-27 39334 Riverside S side of Alberhill Mtn in vicinity of Durant Siding and Terra Cotta, near Nichols Rd and extension toward Lake St 390 Comment
  RSA507459  Astragalus lentiginosus var. coachellae D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
  UC517561  Astragalus lentiginosus var. coachellae John Thomas Howell 1928-3-11 3439 Riverside Garnet Station , Garnet Station (Coachella Valley) Comment
  RSA0029320  Astragalus lentiginosus var. variabilis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4692 -E Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UCR198172  Astragalus lentiginosus var. variabilis Michael Honer, Dave Silverman 2005-3-18 2100 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  UCR237631  Astragalus nuttallianus var. cedrosensis Duncan S. Bell, Amanda Turek 2010-4-10 835 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 Comment
  UCR240270  Astragalus pachypus var. jaegeri Theresa Johnson 2010-6-17 s.n. Riverside San Jacinto Mtns. Foothills, Lamb Canyon 701 Comment
  UCR277105  Astragalus pachypus var. jaegeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3770 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  CLARK-A1045-116  Astragalus palmeri George K. Helmkamp 1978-4-1 Riverside Pinyon Flat Pinyon Pine[s] area, [flats] above Deep Canyon; Palm Desert 15'Q Comment
  RSA415645  Astragalus palmeri M. B. Dunkle 1938-4-3 5237 Riverside 2 miles S of Nightengale, Santa Rosa Mt. Comment
  SEINET2043598 Image available Astragalus palmeri George K. Helmkamp, E. A. Helmkamp 1998-4-24 3379 Riverside Santa Rosa Mountains: Pinyon Pines along CA-74 between the San Jacinto & Santa Rosa Mountains. 1296 Comment
  SEINET10943732  Astragalus palmeri Charles L. Hitchcock 1940-4-4 Hitchcock 5945 Riverside Pinto Basin. Sandy wash. Comment
  CAS-BOT-BC194126  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  CAS-BOT-BC194129  Astragalus pomonensis Peter H. Raven; S. R. Snow 1956-6-30 9543 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  RSA180278  Astragalus pomonensis E. W. Lathrop 1965-3-30 5599 Riverside 14 miles W of Murrieta. Comment
  UCR111598  Astragalus pomonensis Mitch Provance 1998-4-8 1773 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR121084  Astragalus pomonensis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24964 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR266482  Astragalus pomonensis Mitch Provance, Eric Kline 2015-3-26 315- 47 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  RSA0121450  Astragalus tricarinatus Duncan S. Bell, LeRoy Gross 2016-3-30 9129 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.5 air miles southeast of the summit of Martinez Mountain. 581 Comment
  RSA779938  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2375 Riverside Just off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.6 air miles northeast of Red Dome. 859 Comment
  UC665903  Atrichoseris platyphylla Ira L. Wiggins 1941-3-27 9681 Riverside 8 miles northeast of Desert Center (south end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCD129384  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash and 12 miles northwest of Blythe-Glamis Road. Comment
  UCR214288  Atrichoseris platyphylla A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37485 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA0018888  Atriplex Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6024 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  JEPS59547  Atriplex canescens W. L. Jepson 1914-5-23 6050 Riverside near Palm Springs; Coachella Valley, near Palm Springs 60 Comment
  POM278684  Atriplex canescens Grant D. Brown 1950-3-29 522 Riverside 5 miles NW of Aguanga on Hyway #79. 548 Comment
  RSA5457  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  CAS-BOT-BC170200  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mountains N. of Blythe Comment
  CAS-BOT-BC170214  Atriplex canescens subsp. canescens C. B. Wolf 1931-10-14 2462 Riverside Cabezon, San Gorgonio Pass 518 Comment
  RSA772867  Atriplex canescens subsp. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-8-25 626 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  UCR17336  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-10-31 324 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  UCR17337  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-12-29 331 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  RSA696734  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
  SEINET13262592 Image available Atriplex canescens var. macilenta A. C. Sanders 2010-1 37627 Riverside 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
  RSA520931  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2060 Riverside In uncultivated portion of an agricultural field, some 1760 m. W of Nuevo, approximately 260 m. northeast of the intersection of Nuevo Rd. & Pico Ave. 473 Comment
  RSA736302  Atriplex coronata var. notatior Scott D. White, Justin Wood 2008-5-13 11949 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UC7066  Atriplex coronata var. notatior H. M. Hall 1901-6-7 2002 Riverside San Jacinto Lake Comment
  UCR70521  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside San Jacinto Valley, San Jacinto Area, 7.6 km west of Hemet & c. 1.4 km SW of intersection of Warren and Setson Ave. Plants c. 68 m south of Setson Ave. & 320 m west of the MWD canal. 500 Comment
  UCR211717  Atriplex davidsonii Fred M. Roberts, Linda Anton 2005-7-11 6259 Riverside Perris Basin, San Jacinto Valley, Upper Salt Creek watershed southwest of Hemet, 1.5 km southwest of the west end of Hemet Ryan Airport, south of Stetson and east of California Street 454 Comment
  SEINET4135126  Atriplex hymenelytra Howard C. Stutz 1988-1-6 94549 Riverside 12 mi. N of Desert Center.; 0 Comment
  SEINET4135189  Atriplex lentiformis Sears 1978-4-12 1180 b Riverside Located 8 miles northeast of Desert Center. Beside roadside.; 0 158 Comment
  SEINET11940360  Atriplex lentiformis T. J. Crovello 1963-1 298 Riverside Just W of State Highway 111, on Avenue 64, N of Mecca Comment
  CAS-BOT-BC176532  Atriplex polycarpa K. Bonner 1977-10-30 2574 Riverside Ford Dry Lake Comment
  RSA780958  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-19 134 Riverside I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. 99 Comment
  UCR121206  Atriplex rosea D. E. Bramlet, D. J. Bradney 1989-7-3 1930 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  UCR18901  Atriplex rosea John C. Roos 1965-8-4 s.n. Riverside San Bernardino Valley, Arlington area, Riverside Comment
  HSC93123  Atriplex semibaccata Scott D. White 1996-9-22 4542 Riverside Perris, Nuevo Rd. near intersection with Wilson Ave., W of the San Jacinto River crossing. 433 Comment
  RSA557364  Atriplex serenana Julie Greene, James Dice 1993-6-25 1376 Riverside Sloping drainage from Davis Rd. 436 Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  RSA0106899  Atriplex serenana var. serenana Mitch Provance, Ken Halama 2003-6-15 17056 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR130513  Atriplex suberecta R. E. Riefner Jr. 2003-5-27 03- 240 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  UCR275576  Atriplex suberecta T. B. Salvato, Jennifer Weiland 2005-6-13 605- 3 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA0014444  Avena fatua Justin M. Wood 2010-3-4 1416 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  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
  UCR174341  Avena fatua A. C. Sanders 2006-5-19 32398 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
  RSA575988  Avena sativa Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  POM11740  Azolla filiculoides Philip A. Munz 1922-4-29 5109 Riverside Lancaster Valley, s. of Hemet 457 Comment
  SD255081  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot and Amy Rouillard 2015-10-19 8717 Riverside Transverse Ranges: San Bernardino Mountains region: Whitewater Canyon, along the Pacific Creset Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  UCR25766  Baccharis brachyphylla John C. Roos 1949-4-2 4133 Riverside San Bernardino Mtns., Palm oasis in side canyon of Whitewater Canyon 856 Comment
  SEINET10617173  Baccharis emoryi David B. Dunn 1946-2-22 Dunn 1945 a Riverside Collected on north side of Whitewater, in Colorado Desert. Comment
  UCR141243  Baccharis pilularis subsp. consanguinea A. C. Sanders, Kelly Volansky 2004-10-6 28815 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
  CAS-BOT-BC106747  Baccharis salicifolia Roxana S. Ferris 1953-3-6 12591 Riverside In creek bottom, Palm Canyon, south of Palm Springs Comment
  UCR241396  Baccharis salicina T. B. Salvato 2013-3-22 7391 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR23307  Baccharis sarothroides John C. Roos, L. Roos 1950-10-28 5021 Riverside Box Springs 473 Comment
  IRVC512  Baccharis sergiloides D. Christy 1965-4-17 Riverside Palm Springs Sonoran Desert Comment
  UCR145973  Baccharis sergiloides June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  HSC25084  Bahiopsis parishii Richard Spjut 1972-2-1 2168 Riverside Colorado Desert: N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center; Providence Mtns., Morongo Basin and also along the W border of the Colorado Desert 305 Comment
  RSA92525  Bahiopsis parishii F. W. Peirson 1922-4-9 4148 Riverside Murray Canyon, near Palm Springs Comment
  RSA695666  Baileya pleniradiata W. Marquart 1938-3-12 s.n Riverside 15 miles W. of Blythe. Found in basin along hwy. Comment
Read comments
Dec 18 2011
  SBBG65714  Baileya pleniradiata S. W. Hutchinson, M. N. Ackley -Feb-1927 266 Riverside Shaver's Well 365 Comment
  RSA653353  Bassia hyssopifolia Robert MacGregor 1984-5-19 3 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15E Freeway, N side of road. Comment
  POM350771  Bebbia juncea Robert Gustafson 1980-5-5 1574 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA0106718  Bebbia juncea Duncan S. Bell, Amanda Turek 2010-1-30 531 Riverside Arica Mountains; the central part of the range; limestone ridges to the west of Priests Mine. 448 Comment
  RSA643333  Bebbia juncea R. D. Goeden, D. W. Ricker 1980-3-20 s.n. Riverside Colorado Desert: Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  CAS-BOT-BC100144  Bebbia juncea var. aspera Marcus E. Jones 1890-5-23 s.n. Riverside Murray Canon 487 Comment
  JEPS20769  Bebbia juncea var. aspera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13263 Riverside divide betw. Little Maria and Big Maria Mts., .5 mi s of Styx siding near Midland Comment
  UCR241957  Bebbia juncea var. aspera A. C. Sanders, John F. Green 2012-3-21 39983 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  RSA0028735  Bergia texana R. E. Riefner 1998-6-19 98 -370 Riverside Chino Fault; Corona Comment
  UCD142300  Bernardia incana Nancy Ryan Zabriskie; Walter Zabriskie 1972-4-9 510 Riverside Santa Rosa Mts.; small canyon NW from Hwy 74 at 81.72. 1219 Comment
  POM97991  Bernardia incana E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mountains, eastern Riverside 1250 Comment
  CLARK-A1528-172  Bidens laevis John C. Roos 1951-9-25 5266 Riverside Riverside 259 Comment
  SBBG72287  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  JOTR33811  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  SD129258  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target, along wash. UTM: 11S PH-35E, 07N 680 Comment
  UCR261844  Boerhavia coulteri Tim Thomas, Alice Karl 2011-10-18 5527 Riverside Sonoran (Colorado) Desert, Hayfield Lake, 4 mi east of Chiriaco Summit, just north of Hwy I-10, northwest portion of lake be 437 Comment
  UCR272129  Boerhavia coulteri Duncan S. Bell 2015-9-30 8681 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  CAS-BOT-BC434530  Boerhavia intermedia Ira L. Wiggins 1934-9-4 8034 Riverside Colorado Desert 10 miles NE. of Mecca Comment
  UCR280423  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 5 km east of Eagle Mountain Mine 284 Comment
  UCR182356  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A 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
  SD152998  Bothriochloa barbinodis Steve Boyd, Tim Ross 1992-2-26 6697 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness, from Fisherman's camp downstream to confluence with Bluewater Canyon 1000 Comment
  CAS-BOT-BC145586  Bouteloua aristidoides J. Von Loh 1977-10-30 2589 Riverside Ford Dry Lake. Comment
  CAS-BOT-BC145589  Bouteloua aristidoides H. K. Wagnon; B. Rateaver 1944-1-8 283 Riverside Palm Springs. Tachevah Canyon. Growing at base of Dry Falls. 152 Comment
  CLARK-A1528-4506  Bouteloua aristidoides John C. Roos 1943-12-19 2764 Riverside Mecca Hills Comment
  CLARK-A1528-4509  Bouteloua aristidoides John C. Roos 1946-9-14 3026 Riverside San Jacinto Mountains 1219 Comment
  POM192675  Bouteloua barbata Marcus E. Jones 1929-9-16 24716 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA792555  Bouteloua barbata Duncan S. Bell 2012-9-13 4182 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
  UCR23972  Bouteloua barbata John C. Roos 1946-9-14 3025 Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  UCR172208  Bowlesia incana John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  UCR207518  Bowlesia incana O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR249918  Brachypodium distachyon A. C. Sanders 2014-4-18 41039 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  POM296452  Brandegea bigelovii Lyman Benson 1949-3-28 13572 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  UC1922906  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just East of Coachella Canal. (Thermal Canyon) Comment
  UCR167465  Brandegea bigelovii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA34565  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mtns. West side. 1372 Comment
  UCR243178  Brassica juncea A. C. Sanders 2013-4-29 40807 Riverside Riverside, UCR campus, near greenhouses SW of Herbarium 360 Comment
  UCR96707  Brassica tournefortii A. C. Sanders 1997-3-1 19719 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UC76424  Brickellia californica Miss M. Alice King 1893-1 Riverside Menifee Comment
  UCR89574  Brickellia desertorum Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino Mtns., Joshua Tree National Monument [now National Park]: Hidden Gold Canyon 1115 Comment
  JEPS18572  Brickellia oblongifolia var. linifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1424 Riverside Van Deventer's Ranch Comment
  SEINET10570584  Brodiaea capitata Coopern 1945-5-24 COOPERN 1626 Riverside Big oaks canyon, open woodland. Flowers blue 1219 Comment
  UCR160703  Brodiaea terrestris Michael A. Patten 1992-5-6 s.n. Riverside Peninsular Range, Along Temecula Creek c. 0.5 km west of I-15 Fwy 305 Comment
  UCR202578  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12391 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  POM254898  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 3 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  JOTR31035  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCD58404  Bromus catharticus Peter Kamb 1948-2-1 758 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. 304 Comment
  JOTR35182  Bromus catharticus var. catharticus Harding, Mitzi, T. Herskovits 2011-9-14 163 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  UCR209337  Bromus grandis Fred M. Roberts, Robt. L. Allen 2008-6-23 7056 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  UCR23874  Bromus hallii John C. Roos 1942-6-20 994 Riverside Peninsular Range; San Jacinto Mtns, Dark Canyon Camp, North Fork San Jacinto River 1829 Comment
  RSA586299  Bromus hordeaceus D. L. Banks, Steve Boyd 1995-5-3 210 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
  RSA179504  Bromus hordeaceus E. W. Lathrop 1964-5-10 5352 Riverside 10 miles west of Murrieta. 610 Comment
  POM47446  Bromus orcuttianus var. hallii Mary F. Spencer 1919-6-27 1232 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA326150  Bromus orcuttianus var. hallii John F. Emmel 1981-6-21 785 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  POM363955  Bromus rubens N. C. Cooper 1944-4-8 1082 Riverside Andreas Canyon 305 Comment
  RSA0080355  Bromus tectorum Steve Boyd 2011-3-29 12305 Riverside Southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch. 762 Comment
  UCD59901  Bromus tectorum Lowell J. Bean 1967-6-1 s.n. Riverside San Jacinto Mountains, Lake Fulmor. Comment
  RSA676052  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET4009128  Caesalpinia virgata G. T. Manthey 1977-1 1610 Riverside About 10 miles wast of Mecca, on road going to Joshua Tree National Forest. Comment
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Jul 19 2015
  UC454388  Calochortus invenustus I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 Comment
  RSA663321  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains: SE Pyrite Canyon, ca .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UC454390  Calochortus plummerae I. J. Condit 1910-6-21 Riverside San Jacinto Mts. 609 Comment
  RSA369045  Calochortus splendens M. M. Thompson 1947-6-9 C- 2080 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR1236  Calochortus splendens Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  POM9605  Calycadenia tenella I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA0121053  Calycoseris parryi Duncan S. Bell, LeRoy Gross 2016-3-29 9115 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
  CSUSB954  Calystegia macrostegia Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  UCR154626  Calystegia macrostegia A. C. Sanders, Mike Misenhelter 2005-6-15 30993 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  POM9565  Calystegia macrostegia subsp. intermedia P. A. Munz, R. D. Harwood, I. M. Munz 1920-2-28 3254 Riverside 3 miles west of Corona. Comment
  CLARK-A1528-419  Calystegia macrostegia subsp. longiloba Brian L. Estes 1961-3-25 O 60 Riverside Riverside Comment
  SD122189  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Santa Margarita Ecological Reserve; along road to Field Station, ca. 0.4 km eastnortheast of Field Station site. 349 Comment
  RSA740941  Calystegia occidentalis subsp. fulcrata Scott D. White, Justin M. Wood 2008-6-18 12244 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  SEINET7907971  Camissonia bistorta D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  RSA4893  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-27 3009 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA465968  Camissonia boothii var. condensata M. B. Dunkle 1935-3-17 4405 Riverside Colorado Desert. 610 Comment
  CLARK-A1528-5708  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  JOTR31227  Camissonia brevipes subsp. brevipes La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2011 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  RSA136656  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11436 Riverside Fargo Canyon, alluvial fan. Comment
  RSA466167  Camissonia californica Ora M. Clark 1929-3-17 1690 Riverside Colorado Desert, south of Cabazon. Comment
  UCR35219  Camissonia californica L. B. Ziegler 1968-5-11 288 Riverside San Jacinto Mountains foothills, mouth of Bautista Canyon 610 Comment
  UCR88113  Camissonia californica A. C. Sanders, G. Nuhn 1995-4-20 16590 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  CLARK-A1656-663  Camissonia cardiophylla Lois Ann Scott 1978-12-1 Riverside San Jacinto Mountains 152 Comment
  RSA75388  Camissonia cardiophylla F. W. Peirson 1917-4-1 787 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  RSA0021255  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 763 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR148446  Camissonia claviformis 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
  UCR148482  Camissonia claviformis 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 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR165268  Camissonia claviformis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR233702  Camissonia claviformis Duncan S. Bell 2010-5-1 889 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 10.5 air miles SW of Rice, c. 2.6 air miles S of the junction of Hwy 62 and the aqueduct access road 291 Comment
  RSA135226  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11417 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. 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
  RSA72245  Camissonia claviformis subsp. aurantiaca F. W. Peirson 1914-04 785 Riverside Whitewater at head of Coachella Valley. Comment
  RSA777817  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 846 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  RSA80965  Camissonia claviformis subsp. aurantiaca G. R. Campbell 1952-4-6 18414 Riverside 2 mi. s. of jct. of Cottonwood Springs road, road through Joshua Tree National Monument, south from 29 Palms. 884 Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  UCR104923  Camissonia confusa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20659 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
  UCR23517  Camissonia confusa John C. Roos 1943-5-23 2662 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  CLARK-A1528-2660  Camissonia hirtella John C. Roos 1937-5-10 2187 Riverside Elsinore Comment
  UCR108826  Camissonia hirtella Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR265813  Camissonia hirtella Mitch Provance 2012-5-24 512- 03 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  RSA710936  Camissonia pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16137 Riverside Sonoran (Colorado) Desert: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10, Coachella Valley. 329 Comment
  POM247919  Camissonia pallida subsp. hallii A. M. Alexander, Louise Kellogg 1941-4-24 2072 Riverside In sand and gravel; Gorge of Dry Morongo Creek, Morongo Valley. 640 Comment
  RSA465911  Camissonia pallida subsp. hallii N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  POM46831  Camissonia pallida subsp. pallida Mary F. Spencer 1920-3-20 1485 Riverside In desert sand. Palm Springs. Colorado Desert. California Comment
  UCR144110  Camissonia refracta Scott D. White 2001-4-17 8347 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  UCR228167  Camissonia refracta Dave Silverman, Mark Bibbo 2010-3-31 7894 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km ENE of McCoy Pk. 177 Comment
  UC917876  Camissoniopsis bistorta Frank W. Gould 1943-4-17 2125 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UC1122273  Camissoniopsis pallida subsp. pallida H. S. Yates 1936-4-7 5429 Riverside near Whitewater; San Jacinto Quadrangle Comment
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Dec 15 2011
  RSA612807  Capsella bursa-pastoris D. L. Banks 1997-3-1 1362 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SD8373  Capsella bursa-pastoris Daniel Cleveland 1882-5-5 Riverside Temecula Plains Comment
  IRVC15564  Carex alma R. H. Whittaker, W. A. Niering 1963-6-9 SJ 369 Riverside Above saw mill. Peninsular Ranges, Santa Rosa Mountains 1936 Comment
  RSA500189  Carex alma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3556 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA201250  Carex athrostachya Peter Kamb 1947-6-7 579 Riverside Hall Canyon, San Jacinto Mountains. 1646 Comment
  CAS-BOT-BC20709  Carex fracta I. W. Clokey; E. G. Anderson 1935-8-21 6562 Riverside Fuller's Creek. 1500 Comment
  CAS-BOT-BC21915  Carex heteroneura H. E. Hasse 1903-6-1 s.n. Riverside Round Valley. S. Jacinto Mountain. 2895 Comment
  UCR18399  Carex multicaulis A. C. Sanders 1978-5-13 00836 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1677 Comment
  RSA364682  Carex praegracilis H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  SEINET13700904  Carex sartwelliana P. F. Zika, Otting, N 2010-8-6 25299 Riverside San Bernardino National Forest, N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Jacinto Mountains (SnJt) Comment
  SD134357  Carex subfusca R. Mitchel Beauchamp 1971-5-15 2421 Riverside San Jacinto Mtns. Along stream below Lake Fulmore 1600 Comment
  RSA500192  Carex subfusca Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3552 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA552732  Carex triquetra Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 -B Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  CLARK-A1528-842  Castilleja affinis Michelle Loef 1973-5-12 120573-6 Riverside San Jacinto Mountains| Mountain Center 1487 Comment
  RSA524595  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3910 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  POM307284  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n. Riverside Santa Rosa Mountains. Comment
  UCR244426  Castilleja chromosa Jim Andre 2012-4-16 20959 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  RSA0010919  Castilleja densiflora subsp. gracilis B. Pitzer, E. Misqez 1988-2-28 622 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SD134194  Castilleja exserta R. Mitchel Beauchamp 1972-4-16 3297 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  UCR139416  Castilleja exserta P. A. Munz 1922-4-28 5031 Riverside Peninsular Range, Temescal Canyon 366 Comment
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Apr 3 2011
  UCR174449  Castilleja exserta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32504 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
  UCR25604  Castilleja exserta John C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  RSA160582  Castilleja exserta subsp. exserta J. D. Olmsted 1959-4-17 395 Riverside 0.5 mile SW of Olive trees in mouth of Tin Mine Canyon along Skyline Drive; 5 mi. SW of Corona, Santa Ana Mountains 427 Comment
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Nov 19 2011
  SD137616  Castilleja exserta subsp. exserta Darin L. Banks 1995-5-9 379 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of the Woodchuck Campground 701 Comment
  RSA33496  Castilleja foliolosa N. C. Cooper 1944-5-6 1183 Riverside Banning. 701 Comment
  RSA400582  Castilleja foliolosa Ora M. Clark 1929-3-16 1702 Riverside South of Cabazon. Comment
  RSA400599  Castilleja foliolosa E. Crow 1929-4-7 309 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA716390  Castilleja foliolosa Scott D. White, Angelia Carey 2004-4-5 9985 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA783626  Castilleja martinii J. D. Olmsted 1962-5-3 3495 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  RSA741184  Castilleja minor subsp. spiralis Scott D. White, Justin M. Wood 2008-6-16 12116 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  POM159839  Caulanthus cooperi E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. Comment
  RSA523519  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3978 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCD111409  Ceanothus cordulatus R. S. Woglum 1941-6-12 3053 Ab Riverside Idyllwild. 1524 Comment
  CAS-BOT-BC48500  Ceanothus crassifolius A. C. Sanders 1994-1-30 14225 Riverside Box Springs Mountains, crest of the range along the pole line from the head of Two Trees Canyon 685 Comment
  RSA569992  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7901 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA570227  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7896 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA575055  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -i Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575066  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -Q Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC1071027  Ceanothus crassifolius R. St. John 1930-3-16 106 Riverside Lakeview Mountains 609 Comment
  VVC436  Ceanothus cuneatus Frank Aubrey 1959-4-11 s.n. Riverside Perris Basin, 3.2 miles So of US 395 - State 71 jct. on US 395. E. side of Rd. 351 Comment
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May 9 2016
  RSA0067952  Ceanothus greggii John F. Emmel 1994-4-17 1293 Riverside San Jacinto Mts.; 0.1-0.2 air mile west of Fobes Spring, NE of Garner Valley. 1463 Comment
  RSA748220  Ceanothus greggii var. perplexans T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 111 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  CAS-BOT-BC51276  Ceanothus leucodermis Lyman Benson 1932-3-26 3186 Riverside Summit Temecula Grade 609 Comment
  POM305701  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1038 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA161276  Ceanothus leucodermis Peter H. Raven 1959-5-17 14230 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  UC1563045  Ceanothus leucodermis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3082 Riverside s of Hwy 79 (Kolb Creek drainage, w of Woodchuck Rd.); Vail Lake area 487 Comment
  UCR823  Ceanothus leucodermis Robert A. Hawthorne 1957-4-18 s.n. Riverside Peninsular Range, US Hwy 395, 4 miles south of Temecula 366 Comment
  HSC86870  Ceanothus oliganthus var. sorediatus E. Misquez 1987-4-11 7 Riverside Santa Ana Mtns., Walker Basin; 2 miles on Avenida de Oro from jct. with Rancho California Rd., and 4.7 miles W of Interstate 15 415 Comment
  UC1071523  Ceanothus oliganthus var. sorediatus R. St. John 1931-2-13 183 Riverside Plot 70 Elsinore Quadrangle, Elsinore 457 Comment
  RSA606752  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27414 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UC1611573  Ceanothus ophiochilus Steve Boyd, Tim Ross 1993-3-23 7892 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 609 Comment
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Sep 20 2010
  UCR103390  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7914 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  UCR68480  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3099 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  SD42462  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside San Jacinto Mts. Keen Camp Cummit, Between Keen Camp P. O. & Hemet Valley 1493 Comment
  HSC101778  Ceanothus perplexans J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13198 Riverside 1470 Comment
  UCR178566  Ceanothus perplexans R. G. Swinney 1967-3-5 0061 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR3274  Ceanothus perplexans John Kitasako 1964-3-10 45269 Riverside San Jacinto Mtns., Anza, State Hwy 71 [=371], 1 mile from its jct with State Hwy 74 1463 Comment
  UCR271518  Ceanothus tomentosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8352 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA6118  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
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Mar 13 2011
  UC536792  Celtis reticulata R. Bacigalupi 1935-6-27 2358 Riverside Banning; 1/4 mi up small canyon at head of 16th Street, on ranch of Arthur Gilman Comment
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Mar 13 2011
  CDA7288  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  UC878315  Centaurium exaltatum I. W. Clokey and E. G. Anderson 1935-8-21 6790 Riverside Hemet Lake 1300 Comment
  RSA0055011  Centaurium exaltatum James R. Shevock 1971-9-18 1310 Riverside Vail Lake. 457 Comment
  CSUSB829  Centaurium venustum William E. Wayburn 1973-5-26 Riverside 10.9 miles southwest of Murrieta on Tenaja Road. 548 Comment
  RSA773104  Centaurium venustum Duncan S. Bell, Joy England 2010-6-14 1296 B Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  SD204959  Centranthus ruber R. F. Thorne, W. Wisura dn Dave Michener 1982-5-24 55194 Riverside Peninsular Ranges; Santa Ana Mountains region, along Ortega Highway. 732 Comment
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Oct 27 2011
  SD134522  Centromadia pungens subsp. laevis Craig Reiser 1991-4-30 Riverside North of the San Jacinto River, southeast of Lake Perris and the expressway Comment
  UCR90805  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp 1996-3-17 17983 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  RSA232956  Cercidium floridum D. A. Young 1969-4-18 P- 320 Riverside 3 miles SE of Hwy 74 ( approx. 8 miles S of Palm Desert, Cali.) on Carriage Trail road near the Deep Canyon Research Station. 366 Comment
  CAS-BOT-BC135496  Cercocarpus betuloides var. betuloides K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway near road to Shumay Comment
  CAS-BOT-BC135499  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 546 Riverside In small dry watercourse area, NE side Cactus Spring Trail west of Horsethief Canyon, Deep Canyon drainage, north slope Santa Rosa mts. 1097 Comment
  JOTR30770  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 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-BC279535  Chaenactis artemisiifolia A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37805 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA674925  Chaenactis artemisiifolia Scott D. White, P. De Vries 2000-4-25 7727 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA668340  Chaenactis carphoclinia Carol R. Annable 1995-3-18 2302 Riverside Ca 11km N of Indio on road to Berdoo Canyon. 300 Comment
  SEINET9118568  Chaenactis carphoclinia D. Myrick 1966-1 1349 Riverside Desert Hot Springs, desert slope adjoining Linda Vista Lodge. Comment
  POM47487  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1920-4-4 1444 Riverside In desert sand near entrance to Tahquitz Canyon. 183 Comment
  UC1080286  Chaenactis carphoclinia var. carphoclinia E. K. Balls and P. C. Everett 1958-3-20 22938 Riverside s base of Eagle Mts., U.S. Hwy 60/70 Eagle Mts. 365 Comment
  UC724353  Chaenactis carphoclinia var. carphoclinia Aven Nelson, Ruth A. Nelson 1939-3-29 3324 Riverside Hidden Springs Canyon; near Palm Grove Comment
  SEINET10801716  Chaenactis carphoclinia var. carphoclinia David B. Dunn 1947-3-16 Dunn 2907 Riverside Hill slope by quadrat IV. Pushawalla Canyon Biota. Indio Hills. Comment
  CAS-BOT-BC276938  Chaenactis fremontii John Thomas Howell 1928-3-25 3552 Riverside 15 miles S of Palm Springs on road to Indio, Colorado Desert Comment
  JOTR28935  Chaenactis fremontii La Doux, Tasha 2005-3-30 1171 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM351698  Chaenactis fremontii N. R. Zabriskie 1970-3-27 273 Riverside below Andreas Canyon Club clubhouse; Andreas Canyon. 305 Comment
  RSA528101  Chaenactis fremontii Steve Myers 1991-4-15 91 -21 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UC1478689  Chaenactis fremontii Barry Prigge with L. Martinez 1978-3-23 2416 Riverside 1.2 mi e of Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UC34696  Chaenactis fremontii H. M. Hall 1902-4-11 2807 a Riverside Coyote Canon, w borders of Colorado Desert Colorado Desert, Coyote Canon 152 Comment
  UCR116802  Chaenactis fremontii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23932 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR142199  Chaenactis glabriuscula June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR166152  Chaenactis glabriuscula T. B. Salvato, John F. Green 2004-5-27 566 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA543769  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6029 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
  RSA772574  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5010 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 W116.66014 750 Comment
  RSA500072  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3239 b Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  UCR117079  Chaenactis glabriuscula var. lanosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24202 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  RSA49385  Chaenactis macrantha Philip A. Munz 1949-4-12 13027 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  RSA0105668  Chaenactis stevioides Duncan S. Bell 2010-4-2 713 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; aproximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA695676  Chaenactis stevioides J. Russell Bruff 1928-4-3 179 Riverside 13 miles W of Desert Center. Comment
  POM351832  Chaenactis stevioides var. stevioides T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA525447  Chamaesyce albomarginata Steve Boyd, Dave Bramlet 1990-4-29 4492 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA645630  Chamaesyce albomarginata Scott D. White 1999-5-20 7371 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  RSA651898  Chamaesyce albomarginata W. H. Grady 1948-4-24 s.n. Riverside Found 8 mi. west of Riverside at edge of dry grain field. 243 Comment
  JEPS19346  Chamaesyce polycarpa I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4732 Riverside Perris-Gavilan Peak 600 Comment
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Jul 5 2010
  SBBG33968  Chamaesyce polycarpa L. S. Rose 1966-12-11 Riverside La Quinta 91 Comment
  SBBG4029  Chamaesyce polycarpa H. and M. Dearing 1930-4-14 953 Riverside near Palm Springs Comment
  SJSU4464  Chamaesyce polycarpa E. V. Boro 1963-12-24 75 Riverside 5 mi SE of Desert Hot Springs Comment
  SJSU5736  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  UC63397  Chamaesyce serpyllifolia H. M. Hall 1904-5-24 4961 Riverside vicinity of Riverside; Santa Ana River 243 Comment
  RSA645375  Cheilanthes clevelandii A. C. Sanders 1995-11-26 17912 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. 1189 Comment
  UC254450  Cheilanthes covillei W. G. Wright March, 1881 Riverside Whitewater Comment
  POM301706  Cheilanthes newberryi J. C. Roos 1938-5-2 1412 Riverside hills near La Sierra, western Riverside Co. Comment
  POM49010  Cheilanthes newberryi Stephen Grout, Stephen Grout 1901-07 s.n. Riverside Mt. Rubidoux. Comment
  RSA413253  Cheilanthes newberryi James C. Dice, Tu Chung 1987-10-19 738 D Riverside at head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. 329 Comment
  UC2015696  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch) Comment
  RSA0106695  Cheilanthes parryi Duncan S. Bell, Thomas Stoughton 2010-3-19 564 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA686409  Cheilanthes parryi T. R. Pray 1960-3-4 1647 Riverside Andreas Canyon Comment
  UC1495274  Cheilanthes parryi Robert T. Clausen and Harold Trapido 1940-6-18 4676 Riverside mouth of Chino Canyon Comment
  UCR208185  Cheilanthes parryi N. C. Cooper 1944-4-8 1084 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  UCR282307  Cheilanthes parryi Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 814 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  RSA0123693  Cheilanthes viscida Duncan S. Bell, LeRoy Gross 2016-3-30 9159 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA685839  Cheilanthes viscida Joseph A. Ewan 1929-3-23 41 Riverside Whitewater Canyon 686 Comment
  RSA85545  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  CAS-BOT-BC168091  Chenopodium A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  RSA613314  Chenopodium album D. L. Banks 1997-3-1 1379 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  CLARK-A1528-407  Chenopodium ambrosioides Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA661033  Chenopodium berlandieri A. C. Sanders, Mitch Provance 1999-9-26 23076 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  SD260933  Chenopodium berlandieri Mitch Provance 2012-7-17 712 16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westwared Ave. 740 Comment
  SEINET1910259  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-1 1308 Riverside Peninsular Range: Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of hwy I-15 411 Comment
  UCR197057  Chenopodium berlandieri A. C. Sanders, D. L. Sanders 2008-9-27 36106 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA736546  Chenopodium botrys Scott D. White, Angelia Carey 2004-7-2 10587 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA478501  Chenopodium californicum Dorothy Cowper 1973-1 7306 Riverside Near Palms to Pines highway, southeast portion of Garner Ranch, Garner Valley. 1373 Comment
  RSA567983  Chenopodium californicum Karin Cleary 1992-4-6 112 Riverside Drainage depression W of California St., Reinholt Canyon, Hemet. 579 Comment
  UCR140733  Chenopodium californicum A. C. Sanders 2004-5-12 27869 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  JOTR34080  Chenopodium fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2975 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
  RSA629022  Chenopodium murale Scott D. White 1998-6-28 6799 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR230898  Chenopodium murale Dave Silverman, Onkar Singh 2010-3-25 7847 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10 160 Comment
  RSA450976  Chenopodium murale Stephen M. Beckstrom-Sternberg 1985-9-10 1024 Riverside U.C.R. garden plots. Comment
  RSA722345  Chilopsis linearis J. Russell Bruff 1931-4-25 458 Riverside Whitewater Wash 3 mi. west of Palm Springs. Comment
  UCR193859  Chilopsis linearis A. C. Sanders 2008-7-25 35925 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road at foot of Jackrabbit Trail, N of Mystic Lake and E of Quail Lake Golf Course 462 Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  CAS-BOT-BC540732  Chloris virgata Sarah J. De Groot; Amy Rouillard 2015-9-15 7562 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  SBBG57113  Chloris virgata R. Hoffmann 1929-9-4 Riverside between Wineville [Mira Loma] and Riverside Comment
  POM122108  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA392604  Chorizanthe brevicornu var. brevicornu I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  SBBG81486  Chorizanthe brevicornu var. brevicornu S. A. Junak 1983-3-23 1623 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR116696  Chorizanthe fimbriata George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  UCR281005  Chorizanthe fimbriata Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 58 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA102289  Chorizanthe fimbriata var. fimbriata S. B. Parish, William F. Parish 1882-06 833 Riverside Coahuilla, San Jacinto Mountains. Comment
  UCR15524  Chorizanthe fimbriata var. fimbriata Robin L. Kobaly, G. K. Helmkamp, N. Burchett 1978-6-1 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, south of Murrieta Comment
  RSA500565  Chorizanthe leptotheca Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3605 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA11625  Chorizanthe parryi var. parryi C. Epling, W. M. Robinson 1934-6-24 s.n. Riverside Near Banning, San Gorgonio Wash in the Little San Bernardino Mts. Comment
  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
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  LA206564  Chorizanthe xanti L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  SD173057  Chorizanthe xanti var. leucotheca Larry Hendrickson, Stacey Ostermann 2003-4-24 1205 Riverside Anza-Borrego Desert State Park just north of San Diego County border. Upper Coyote Canyon, at mouth of Alder Canyon on stable bench above active wash 747 Comment
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Nov 18 2009
  SBBG61608  Chrysolepis sempervirens R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  CLARK-A1528-1768  Chrysopsis villosa John C. Roos 1965-9-16 Riverside Hemet Comment
  SBBG5097  Chylismia brevipes K. K. Muller 1958-3-22 909 Riverside hills opposite S entrance to Joshua Tree Nat Monument, 2 mi S of Hwy Comment
  UCD103717  Chylismia brevipes C. L. Hitchcock 1966-3-20 24305 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  SD21522  Chylismia brevipes subsp. brevipes Frank F. Gander 1938-5-21 5765 Riverside Shaver's Summit. Comment
  UC1184319  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  CAS-BOT-BC160581  Chylismia claviformis subsp. aurantiaca Barry Prigge; L. Martinez 1978-3-23 2402 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  JOTR34374  Chylismia claviformis subsp. aurantiaca Andre, Jim 2012-4-16 20894 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UC66498  Chylismia claviformis subsp. aurantiaca E. E. Schellenger 1904-4-10 75 Riverside Whitewater Ranch Colorado Desert Comment
  UCSB4509  Chylismia claviformis subsp. aurantiaca Krogen, Roger 1957-1 Riverside 4 mi. S of Jct. of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  CAS-BOT-BC287959  Cirsium occidentale var. californicum John Thomas Howell 1931-5-31 6601 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA737351  Cirsium vulgare Justin M. Wood 2008-9-19 134 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA516877  Cistanthe monandra Steve Boyd 1986-3-1 1359 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  UCR35207  Clarkia dudleyana L. B. Ziegler 1972-6-5 472 Riverside San Jacinto Mtns., canyon at lower end of Poppet Flats. 1067 Comment
  CAS-BOT-BC171997  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Temescal Canyon, terrace escarpment E side of Indian Wash, S of 1-15 Comment
  UCR139193  Clarkia epilobioides Virginia Moran 2003-4-9 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 427 Comment
  RSA764122  Clarkia rhomboidea L. M. Prince, Duncan S. Bell 2009-6-17 579 Riverside Cleveland National Forest Comment
  CAS-BOT-BC165225  Clarkia similis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts, San Juan Canyon, Highway 74 609 Comment
  RSA653073  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR16355  Clarkia unguiculata Kirk Taylor 1976-5-29 760529- 10 Riverside Upper Santa Ana River/San Bernardino Valley, Fairmont Park, Houghton Avenue, overlooking south end of Park 244 Comment
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA612939  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UCR104934  Clematis lasiantha A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20675 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  SDSU13364  Clematis pauciflora Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 13 Riverside Santa Margarita Ecological Reserve (SDSU). 0.7 miles SW of the Northside Field Station. 241 Comment
  UCR202239  Collinsia concolor 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
  UCR43429  Collinsia concolor B. G. Pitzer 1986-5-4 195 Riverside Moreno Badlands, c. 1 mi west of Jackrabbit Trail, along Hwy 60 701 Comment
  RSA0117411  Collinsia concolor John Olmsted 1958-6-15 177 Riverside May Valley Truck Trail 2 mi. SE of Saunder's Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  POM48732  Collomia grandiflora P. A. Munz, I. M. Johnston 1924-7-29 8827 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  JOTR36454  Colubrina californica La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3424 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  RSA0043037  Colubrina californica Duncan S. Bell, Evan Meyer 2014-4-3 6531 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  RSA28642  Colubrina californica A. M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside 5.2 miles northwest of Desert Center, Eagle Mountain pumping station road. 457 Comment
  HSC100941  Condalia globosa var. pubescens J. P. Smith, J. O. Sawyer 2009-11-30 12701 Riverside West of wash with palo verde tree. 638 Comment
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Aug 16 2015
  UCR91470  Convolvulus arvensis Scott D. White, M. Jacobsmeyer 1996-4-20 3974 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR189583  Convolvulus simulans Ryann Loomis 2006-6-6 017 Riverside Peninsular Range, Perris-Aguanga Basin, 1.2 mi north of northwestern corner of Vail Lake, on peak of Oak Mountain 817 Comment
  UCR232357  Convolvulus simulans John F. Green 2008-4-17 0408- 28 Riverside Peninsular Range; Perris-Aguanga Valley, powerline route south of Perris, near McLaughlin Rd. between Murrieta Rd. and Goetz Rd. 448 Comment
  UCR90369  Conyza bonariensis Scott D. White 1995-6-30 3426 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA555204  Cordylanthus nevinii John F. Emmel 1983-9-17 892 Riverside San Jacinto Mts.; Idyllwild; on north-facing slope of West Ridge, 0.3 mile SSW of Camp Emerson. 1622 Comment
  UCR227603  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-15 1310 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and Forest Service Road 5S15 1063 Comment
  JOTR28748  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Ileene Anderson 2004-10-4 1640 Riverside Joshua Tree National Park. STOP 1 = Little SB Mtns; above Keys Ranch 1277 Comment
  RSA0051769  Coreopsis bigelovii A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Canyon. 548 Comment
  CAS-BOT-BC287928  Coreopsis californica P. A. Munz; R. D. Harwood 1920-3-20 3385 Riverside Temescal Canyon 365 Comment
  UC1608247  Coreopsis californica var. californica Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6701 Riverside on broad sandy bench near coordinates given Santa Ana Mountains, San Mateo Cyn. Wilderness Area (San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. T7S R5W sec.28-29) 304 Comment
  UC63197  Corethrogyne filaginifolia H. M. Hall Riverside Riverside Comment
  SBBG59861  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  UCR46571  Crassocephalum crepidioides A. C. Sanders 1986-9-15 6960 Riverside Peninsular Range, Cardiff Growers on Anza Rd., Temecula Comment
  UCR214567  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37865 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR41243  Crassula connata N. M. Fellows 1985-3-3 99 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  CSUSB616  Crassula erecta Paul M. Estes 1962-3-17 Riverside Box Springs Mountains West slope of Box Springs Mountains, 1.5 miles west of Big "C" Road in dry stream bed. 761 Comment
  CSUSB617  Crassula erecta Bill Schultz 1972-4-30 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn, where palm trees are west of dump, 2 miles south of Mount Rubidoux 304 Comment
  RSA357164B  Crassula solieri R. F. Thorne, E. W. Lathrop 1975-5-25 45561 -B Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  UCR274538  Cressa truxillensis Mitch Provance, Ken Halama 2003-6-15 17050 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR280823  Cressa truxillensis T. B. Salvato, Gregg Miller 2005-6-3 1367 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UC1929467  Crocanthemum scoparium Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  JOTR29599  Crossosoma bigelovii Andre, Jim 2006-4-26 6756 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  NY268564  Crossosoma bigelovii P. A. Munz 1952-5-2 16235 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457.2 Comment
  RSA145908  Crossosoma bigelovii W. S. Davis 1960-3-12 105 Riverside Whitewater Canyon rd, 4.6 mi. N of junction with Hwy. 60, 70, 80. S facing slopes up side canyon. Comment
  RSA2103  Crossosoma bigelovii C. B. Wolf 1929-3-3 1027 Riverside Millard Canyon, above Cabazon 183 Comment
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Mar 13 2011
  RSA342560  Crossosoma bigelovii R. F. Thorne, W. A. Tilforth 1980-5-28 54202 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
  UCD102971  Crossosoma bigelovii Geoffrey Levin 1976-3-27 696 Riverside Chino Canyon. West of Palm Springs. On the hills on south side of canyon. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 457 Comment
  UCR106916  Croton californicus D. L. Banks, Lauren Raz 1996-11-5 1185 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  JOTR01098  Croton californicus Cole, James E. 1941-5-30 823 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  UCR199559  Croton setiger Scott D. White, Angelia Carey 2004-7-2 10573 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CDA17343  Crypsis schoenoides M. Tracy 2004-8-2 PDR 1116196 Riverside West Coast Turf, 31755 Winchester Rd., Winchester. 0 Comment
  UCR110388  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  POM46809  Cryptantha angustifolia Mary F. Spencer 1920-3-24 1517 Riverside Near Indio. Colorado Desert. 91 Comment
  SBBG6232  Cryptantha angustifolia H. and M. Dearing 1942-2-6 4799 Riverside Cathedral City Comment
  UC166882  Cryptantha angustifolia unknown May 1 1906-May 10 1906 239 a-6761 Riverside Palm Springs Colorado Desert Comment
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Nov 30 2009
  UCR103546  Cryptantha angustifolia George K. Helmkamp 1998-1-17 2529 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR166012  Cryptantha angustifolia Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  SEINET10455849  Cryptantha angustifolia David B. Dunn 1946-2-22 Dunn 1959 Riverside Collected in mud flats dry, caked and split. All American Canal catch basin from desert washes. Oracopia Mts. NE of the Saltan Sea. Very arid country. Comment
  RSA712692  Cryptantha barbigera George K. Helmkamp 1984-5-2 D- 10 Riverside Big Morongo Canyon, 3 - 3.5 miles below the caretakers s house at the Big Morongo Preserve. 549 Comment
  RSA784966  Cryptantha barbigera Duncan S. Bell 2012-3-18 3230 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UC1063930  Cryptantha barbigera H. S. Yates 1937-3-23 6446 Riverside 15 mi nne Medda; Thermal Quad. 457 Comment
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Apr 6 2011
  UCR19583  Cryptantha barbigera Dr. H. de Forest 1924-4-13 s.n. Riverside Western Colorado Desert region, Tahquitz Canyon 457 Comment
  UCR275514  Cryptantha barbigera D. E. Bramlet 2010-3-1 4453 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  SDSU18675 SDSU18675
Image available
Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 43 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park, under the partial shade of a Hyptis emoryi. 574 Comment
  UCR226912  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-2 16213 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  RSA3976  Cryptantha costata C. B. Wolf 1932-4-29 3114 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UCR214700  Cryptantha costata A. C. Sanders 2010-3-23 37535 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR127960  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16139 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA778234  Cryptantha dumetorum Duncan S. Bell 2009-3-8 39 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  POM368270  Cryptantha intermedia M. B. Dunkle 1932-3-25 2875 Riverside Cabazon, Colorado Desert. Comment
  SD247352  Cryptantha intermedia Tracy Tennant, Mitch provance 1998-6-16 MOR 439 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M 15. 1098 Comment
  UCR116982  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2001-5-3 24081 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR44201  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR148846  Cryptantha maritima Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  UCR279557  Cryptantha maritima var. pilosa A. C. Sanders, Jim Malusa 2017-3-29 43196 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA517814  Cryptantha micrantha Steve Boyd, Orlando Mistretta 1986-3-13 1429 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UC100866  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash Colorado Desert Comment
  UC64426  Cryptantha micrantha H. M. Hall 1899-5-21 1120 Riverside San Jacinto Mts. 1600 Comment
  UC1537676  Cryptantha micromeres Gordon H. True Jr. 1935-4-1 198 Riverside Box Springs 365 Comment
  UCR115432  Cryptantha microstachys Scott D. White, D. E. Bramlet 1999-4-22 7244 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR174373  Cryptantha microstachys A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32660 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
  SDSU5401  Cryptantha muricata unknown 1941-6-9 1225 Riverside 1524 Comment
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Mar 15 2014
  UCR239791  Cryptantha muricata O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR26485  Cryptantha muricata A. C. Sanders, S. Hagopian 1981-5-20 3132 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR275935  Cryptantha muricata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3779 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  RSA0079421  Cryptantha muricata var. jonesii Steve Boyd 1991-5-20 6276 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  SBBG63812  Cryptantha muricata var. jonesii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  RSA499746  Cryptantha nevadensis N. C. Cooper 1948-5-13 2787 Riverside Desert Hot Springs 244 Comment
  UCR279373  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-24 42954 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  HSC101269  Cryptantha pterocarya var. pterocarya Jim Andre 2012-3-19 21351 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA0079289  Cryptantha pterocarya var. pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CLARK-A1528-2232  Cryptantha racemosa John C. Roos 1948-5-1 3815 Riverside Whitewater 609 Comment
  JOTR35146  Cryptantha racemosa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3258 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA80751  Cryptantha racemosa F. W. Peirson 1920-2-16 4718 Riverside Foot of Alkali Canyon, southeast of Palm Canyon, Coachella Valley. Comment
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Aug 30 2011
  SEINET186302  Cryptantha racemosa Philip A. Munz 1940-3-24 15693 Riverside 3 miles south of Cottonwood Springs Eagle Mts. 457 Comment
  UC2015591  Cryptantha utahensis A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16178 Riverside Coachella Valley/ San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  UCR268083  Cryptantha utahensis Jim Andre 2012-4-11 20678 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  POM153347  Cucurbita palmata P. A. Munz, I. M. Johnston 1928-9-12 11307 Riverside Dry flats near Lake Elsinore Comment
  CAS-BOT-BC56146  Cylindropuntia californica var. parkeri Carl B. Wolf 1939-2-24 9491 Riverside Field redacted by CAS, contact the data manager for more information 762 Comment
  RSA0031144  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson, Neal Kramer 2011-5-1 17305 Riverside Chuckwalla Mountains, 62km WSW of Blythe, 1km west of Chuckwalla Spring. UTM datum in NAD83. Lat-Long datum in WGS84. 600 Comment
  CAS-BOT-BC56160  Cylindropuntia echinocarpa L. R. Abrams 1926-3-26 11211 Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM294993  Cylindropuntia echinocarpa David Griffiths 1905-7-21 8010 Riverside Whitewater. 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
  CLARK-A1528-1432  Cymopterus panamintensis var. acutifolius John C. Roos 1948-5-15 3842 Riverside Eagle Mountains Comment
  JOTR32481  Cymopterus panamintensis var. acutifolius Herskovits, Tasya 2011-5-25 17 Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large, sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 3) Comment
  JEPS68479  Cynodon dactylon W. L. Jepson Oct 22 1912-Nov 7 1912 5268 Riverside on Colorado River banks and on flats near Blythe; Colorado River banks 45 Comment
  RSA708075  Cynodon dactylon Scott D. White, Angelia Carey 2004-4-16 10167 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA650408  Cynodon dactylon David B. Dunn 1947-7-12 2966 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
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May 24 2012
  UCR88168  Cyperus acuminatus Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  UCR113867  Cyperus involucratus Mitch Provance 2000-6-24 2058 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR188896  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6589 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  SEINET13762742 Image available Cyperus rotundus K. E. Hoffmaster 1958-1 s.n. Riverside Indio Comment
  RSA559351  Cyperus squarrosus Steve Boyd, Timothy S. 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
  SEINET893061  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-1 11142 Riverside Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa and north of Calle del Lago. 347 Comment
  CDA1954  Dactyloctenium aegyptium B. Ballen 1983-11-22 Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio. 0 Comment
  RSA0029323  Dalea mollis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4687 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA404177  Dalea mollis Christopher Davidson 1979-4-4 7708 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UCR41813  Dalea mollis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6039 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UC68519  Dalea mollissima H. M. Hall Apr., 1905 5792 Riverside Colorado Desert 30 Comment
  POM193517  Dasyochloa pulchella J. B. Feudge 1929-9-15 2026 Riverside Cottonwood Springs, Colorado Desert. Comment
  RSA129647  Dasyochloa pulchella H. S. Yates 1937-6-27 6724 Riverside Head of Deep Canyon. 1220 Comment
  UCR94936  Datisca glomerata Scott D. White 1996-8-15 4465 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA735925  Daucus pusillus Scott D. White, Justin Wood 2008-5-29 12046 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  CAS-BOT-BC294116  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside Lower St. Johns Canyon south of Hemet Comment
  CAS-BOT-BC294119  Deinandra kelloggii John Thomas Howell 1931-5-30 6616 Riverside Wash of Coldwater Creek below Glen Ivy Hot Springs Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  SD232183  Deinandra mohavensis V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1065 b Riverside Peninsular Ranges, San Jacinto Mountains region: McCall Memorial Park. Along drinage off equestrian trail, in former burn area. 1341 Comment
  CAS-BOT-BC131040  Deinandra paniculata A. C. Sanders; Chet McGaugh 1991-7-19 11155 Riverside Murrieta Hot Springs, on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  UC1031411  Delphinium parishii subsp. parishii H. Lewis and C. Epling 1941-5-2 Riverside White Tank Joshua Tree Nat'l Mon. Comment
  UCR110965  Delphinium parryi subsp. parryi George K. Helmkamp 1998-6-27 4095 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
  SFV1359  Dendromecon rigida P. G. Kilburn 1958-5-17 815 Riverside San Jacinto Mountains Mount San Jacinto, 7 miles south of Banning on road to Idyllwild. 915 Comment
  RSA563901  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 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
  RSA65823  Descurainia pinnata subsp. glabra F. W. Peirson 1921-3-23 2592 Riverside Deep Canyon, Coachella Valley. Comment
  RSA697660  Dicentra chrysantha Elisabeth Norland 1929-5-10 s.n. Riverside Glen-Ivy. Along roadside. Comment
  UCR174113  Dicentra chrysantha A. C. Sanders, T. B. Salvato 2006-6-2 33084 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR241194  Dicentra chrysantha T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 377 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR275280  Dicentra chrysantha T. B. Salvato, Gregg Miller 2005-6-7 1450 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  RSA192248  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1960-3-11 4663 b Riverside 5 miles west of Murrieta. Comment
  RSA501060  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3177 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM202563  Dicoria canescens Marcus E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
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Sep 16 2011
  SEINET3004922  Dicoria canescens G. Rink 2010-10-4 10340 -a Riverside Seven miles west of Blythe, sand dunes 152 Comment
  UCR2326  Digitaria sanguinalis F. M. Reed 1933-10-9 8110 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR158338  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC153097  Diplacus fremontii John Thomas Howell 1927-8-2 2919 Riverside Near Idyllwild on road to Keen Camp, Mt. San Jacinto 1676 Comment
  CAS-BOT-BC150872  Diplacus puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade 609 Comment
  CAS-BOT-BC195676  Distichlis spicata H. S. Yates 1937-6-27 20940 Riverside Near Relief Hot Springs Comment
  CAS-BOT-BC195679  Distichlis spicata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SD124449  Distichlis spicata Barry Prigge 1986-3-29 7167 Riverside MOJAVE DESERT; Rabbit Springs 883 Comment
  UCR140724  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM87244  Ditaxis claryana Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA134883  Ditaxis claryana L. S. Rose 1959-1-8 s.n. Riverside La Quinta. Comment
  UC494679  Ditaxis claryana Philip A. Munz 1932-3-14 12002 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  RSA421609  Ditaxis lanceolata H. S. Budd 1893-4-10 s.n. Riverside Palm Springs Comment
  SEINET2055757 Image available Ditaxis lanceolata B. Pitzer 1998-1-24 3385 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd, AS. Side of highway 1-10, 0.8 mi S of Hwy powererline rd, & wash directly S of rd. 500 Comment
  UCR216222  Ditaxis lanceolata Jim Andre, T. La Doux 2009-2-25 10806 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  VVC690  Ditaxis lanceolata P. J. MacKay, T. Thomas 1997-2-8 106 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA793947  Ditaxis neomexicana Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4379 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  POM13618  Ditaxis serrata var. serrata E. C. Jaeger 1921-3-15 44 Riverside Between Corn Springs and Gruendyke's Well [Desert Center]. Lower Sonoran Zone. Comment
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Apr 5 2011
  CAS-BOT-BC43652  Dithyrea californica Ivan Johnston 1917-4-4 1107 Riverside Colorado Desert. Near Palm Springs. Comment
  SEINET3167268  Dithyrea californica R. W. Spellenberg, N. Zucker 2005-2-14 13497 Riverside 50 km NW of Blythe on Midway Rd., 5km NW of Midway. 14 km SE of Rice 50 Comment
  UC665880  Dithyrea californica Ira L. Wiggins 1941-3-24 9563 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCD170172  Dodecahema leptoceras R. E. Riefner, Jr 2005-5-25 05- 418 Riverside Temecula Region: Pechanga Indian Reservation, on north side of Pechanga Creek, south of Pechanga Road. 377 Comment
  RSA757458  Downingia cuspidata R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55199 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  CAS-BOT-BC41630  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  UCR279363  Draba cuneifolia A. C. Sanders, Jim Malusa 2017-3-24 42963 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SEINET13709264  Dryopteris arguta J. Adams, J. Adams (Botany) 1966-1 746 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  UC2059985  Dudleya abramsii K. Nakai 1981-1-22 703 Riverside San Bernardino Mountains, N shore of Lake Baldwin, 1.4 mi E of junction of Highway 18 & 38 on Highway 18. Comment
  UCR273596  Dudleya cymosa subsp. pumila Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.2 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 646 Comment
  RSA217837  Dudleya edulis C. W. Tilforth 1978-8-17 s.n. Riverside 1.9 mi. W of Murrieta along Murrieta-De Luz Rd. Comment
  RSA674956  Dudleya edulis Scott D. White, Teresa Salvato 2001-6-8 8564 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SD137797  Dudleya lanceolata Darin L. Banks, Steve Boyd 1995-5-3 277 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 515 Comment
  POM10286  Dudleya multicaulis Charlotte M. Wilder 1905-5-31 583 Riverside West Riverside Plains Comment
  RSA502187  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3713 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  SD137796  Dudleya pulverulenta subsp. pulverulenta Darin L. Banks, Steve Boyd 1995-10-17 818 Riverside Northwest Palomar Muntains; Agua Tibia Mountains; Agua Tibia Wilderness Area, along lower Arroyo Seco, south of the Dripping Springs Campgroun 525 Comment
  JOTR31093  Dudleya saxosa subsp. aloides La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2340 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  RSA209565  Dudleya saxosa subsp. aloides T. Beck 1968-4-28 680428 -8 Riverside 1/2 mi. S of trout farm on White Water Canyon Rd. At point where the river crosses the road. 549 Comment
  RSA522095  Echinochloa crus-galli Steve Boyd, Orlando Mistretta 1989-7-18 3763 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  CLARK-A1528-1805  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside Comment
  RSA40573  Eclipta prostrata J. C. Roos 1948-10-23 s.n. Riverside Mud at edge of shallow pool. Comment
  RSA0120310  Ehrendorferia chrysantha Duncan S. Bell 2016-4-16 9317 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR268307  Ehrendorferia chrysantha Jim Andre 2012-6-15 30500 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
  RSA234013  Elatine californica R. F. Thorne, E. W. Lathrop 1969-6-6 39320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  RSA740934  Elatine californica Scott D. White, Justin M. Wood 2008-7-9 12436 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UC1147888  Elatine californica Robert F. Thorne, E. Lathrop, and P. Munz 1968-5-8 37560 Riverside Mesa de Colorado Santa Rosa Plateau (Rancho California) 670 Comment
  RSA788873  Eleocharis acicularis var. acicularis G. D. Wallace 2003-7-8 4052 Riverside Hidden Lake. Comment
  CAS-BOT-BC113603  Eleocharis acicularis var. occidentalis E. Lathrop; O. Clark; S. J. Carlquist 1968-4-18 37455 Riverside Santa Rosa Plateau: shallow water at W end of vernal marsh on Mesa de Colorado, 670 Comment
  RSA770879  Eleocharis geniculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4602 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD237240  Eleocharis macrostachya D. E. Bramlet 1992-4-3 2207 Riverside Perris-Anguanga Basin Region: 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave and Marvin Hull Road and c. 300 m west of the MWD Canal. 452 Comment
  CAS-BOT-BC113298  Eleocharis parishii Samuel B. Parish 1907-4-22 6144 Riverside Western edge of the Colorado desert, Palm Canyon. 200 Comment
  RSA588169  Eleocharis parishii Darin L. Banks, Steve Boyd 1995-10-17 803 Riverside Cleveland National Forest, Agua Tibia Mtns.; lower Arroyo Seco, S of the Dripping Springs Campground. Along narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills 525 Comment
  RSA741269  Eleocharis parishii Scott D. White, Justin M. Wood 2008-7-10 12450 Riverside Fobes Spring 1500 Comment
  SDSU14006  Eleocharis parishii Jonathan S. Austin, Michael G. Simpson 2002-4-20 21 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  RSA557316  Eleocharis radicans Julie Greene, Steve Boyd, David E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1424 Riverside San Jacinto Wildlife Area. 433 Comment
  UCR195143  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35939 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC203837  Elymus X hansenii Peter H. Raven 1958-5-5 12881 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  LA14803  Elymus condensatus F. M. Reed; 1906-6-10 1014 Riverside Upper South Fork of Arroyo Tahquitz [?] Comment
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Jan 18 2014
  SD137954  Elymus condensatus Darin L. Banks 1995-10-17 786 Riverside Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground, on broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC38180  Elymus elymoides subsp. elymoides H. M. Hall 1897-8-11 821 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  SD232143  Elymus glaucus Valerie Soza, Naomi Fraga 2003-6-25 1703 Riverside Peninsular Ranges, San Jacinto mountains region, slope above junction of Dark Canyon and Fuller Mill Creek. 455 Comment
  RSA561007  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-5-4 72032 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  UCR83238  Elymus glaucus subsp. jepsonii N. M. Fellows 1983-6-28 s.n. Riverside San Jacinto Mtns, 1/2 mi below Boulder Basin Campground, Black Mountain 2256 Comment
  SEINET3258005 Image available Elymus stebbinsii A. C. Sanders, Tim Thomas; T. B. Salvato 2008-6-24 35560 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
  RSA577761  Elymus trachycaulus subsp. trachycaulus F. M. Reed 1928-7-10 5983 Riverside Strawberry Valley, San Jacinto Mountains. 1524 Comment
  UCR207759  Elymus triticoides O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  RSA785609  Emmenanthe penduliflora Doris Bowers 1972-4-15 1808 Riverside Dig at Rancho California - N/o camp 396 Comment
  RSA0105935  Emmenanthe penduliflora Alan Romspert 2001-4-13 s.n. Riverside Frontage Road E. of Cactus City rest Area, I-10. Comment
  JOTR16581  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA594004  Encelia actoni D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0936 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  CAS-BOT-BC131186  Encelia californica John C. Roos 1952-4-16 5557 Riverside Pigeon Pass, Box Springs Mts. 396 Comment
  UCR23306  Encelia californica John C. Roos 1952-4-16 5557 Riverside Box Springs Mountains, Pigeon Pass 457 Comment
  CAS-BOT-BC131320  Encelia farinosa G. P. Rixford 1915-4-3 s.n. Riverside Riverside 426 Comment
  JOTR31865  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA739853  Encelia farinosa J. L. Strother 2008-3-10 1368 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  SEINET2050160 Image available Encelia farinosa H. S. Gentry 1948-8-22 8183 Riverside Near Sage. Comment
  UCR119416  Encelia farinosa Mitch Provance 1998-2-13 42 Riverside Jurupa Mountains, Glen Avon Hts., .2 km. north of Campbell St., along the SW portion of the range. 262 Comment
  UCR138831  Encelia farinosa D. L. Banks 1997-4-5 1669 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
  UCR146278  Encelia farinosa Donald W. Kyhos 1965-3-13 65- 111 Riverside Colorado Desert; Northeastern Colorado Desert region, 6.2 miles west of Junction of Hwy 78 and Hwy 60-70 near Blythe Comment
  UCR196376  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR200326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  UCR250882  Encelia farinosa S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1051 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  UCR60769  Encelia farinosa Steve Boyd, O. Mistretta 1986-3-13 1466 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  POM356691  Encelia farinosa var. farinosa Christopher Davidson, Robert Gustafson 1977-4-7 5569 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
  POM4941  Encelia farinosa var. farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore. Comment
  RSA151102  Encelia farinosa var. farinosa Peter H. Raven 1962-4-7 17113 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  CAS-BOT-BC131424  Encelia frutescens Frank W. Peirson 1922-4-12 s.n. Riverside 30 miles south of Coachella Comment
  UCSB44685  Encelia virginensis Hibbard, Doug 1977-5-15 Riverside Wash is on left side of Hwy 74; 8.45 miles from its intersection with Hwy 111 679 Comment
  UCR240045  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mtns., Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  UC205579  Ephedra californica H. M. Hall 1919-3-25 Riverside Whitewater Wash Comment
  UC407312  Ephedra californica LeRoy Abrams 1903-4-6 3204 Riverside Palm Springs Comment
  UC667358  Ephedra californica Annie Alexander and Louise Kellogg 1941-5-15 2183 a Riverside North base of Eagle Mountains 914 Comment
  CAS-BOT-BC81682  Ephedra fasciculata James R. Shevock 1978-4-8 5780 Riverside along Calif. highway 195, [approximatley] approximately 3 miles from Interstate 10, west of Chiriaco Summit. Box Canyon 304 Comment
  UCR269208  Ephedra trifurca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR17539  Epilobium campestre John C. Roos 1952-5-28 5731 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  CAS-BOT-BC171745  Epilobium canum subsp. latifolium Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley 1524 Comment
  RSA736728  Epilobium ciliatum subsp. ciliatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10672 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCSB4335  Epilobium glaberrimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  POM48886  Epilobium lactiflorum P. A. Munz 1924-7-27 8742 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA80646  Epilobium pygmaeum F. W. Peirson 1922-5-19 4112 Riverside Menifee Valley, near Murrieta. 427 Comment
  SD146207  Epilobium pygmaeum A. C. Sanders, T. B. Salvato 2000-5-25 23418 Riverside Menifee Valley: S. of Newport Road, N. of Holland Road & E. of Bradley Road , 2 miles due E. of Railroad Canyon Lake. (Romoland 7.5' Q) Coastal sage & sparse Chaparral, much of the parcel (flatter areas) cleared a year ago. Uncommon annual in dried pools. 438 Comment
  POM6841  Epipactis gigantea Philip A. Munz, L. T. Street 1919-5-7 2735 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
  UC1543093  Equisetum hyemale subsp. affine Donald G. Nelson 1936-5-23 401 Riverside Fern Canyon Idyllwild; San Jacinto Mts., Fern Canyon Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 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
  UCR251992  Eragrostis A. C. Sanders, T. B. Salvato 2014-7-2 41160 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SEINET251885 Image available Eragrostis barrelieri Unknown 1996-3-17 17978 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR142069  Eragrostis intermedia A. C. Sanders 2002-11-21 25653 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  POM306731  Eremalche rotundifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 I- 7 -II Riverside West of blythe. Comment
  SBBG99224  Eremalche rotundifolia W. L. Halvorson 1977-2-5 77 -16 Riverside near the jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC874147  Eremothera refracta Ira L. Wiggins 1937-3-9 8756 A Riverside wash 5 mi w Shaver's Well Comment
  RSA0110539  Eriastrum densifolium subsp. austromontanum John F. Emmel 1979-9-30 696 Riverside SE end of San Jacinto Mts., south base of Sugarloaf Mtn., near SE end Pinyon Flat. 1250 Comment
  UC1787271  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 101 Riverside Arroyo Seco Creek, adjacent to Drippings Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek. 487 Comment
  UCR126170  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-5-15 100 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  RSA0110547  Eriastrum densifolium subsp. elongatum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  CAS-BOT-BC514449  Eriastrum eremicum subsp. eremicum Philip A. Munz 1937-5-29 15148 Riverside Palms to Pine HIghway, Deep Canyon, Santa Rosa Mts. 1066 Comment
  UC1929953  Eriastrum sapphirinum Scott D. White, Justin Wood 2008-6-16 12125 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. Comment
  UCR49767  Eriastrum sapphirinum D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  CLARK-A1528-705  Eriastrum sapphirinum subsp. dasyanthum C. M. Flanagan 1973-5-31 OO 617 Riverside Sunnymead 609 Comment
  UCSB5009  Eriastrum sapphirinum subsp. dasyanthum Jacobson, A. 1959-5-16 Riverside Road between Banning and Idyllwild, 4 miles south of Banning 762 Comment
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Mar 30 2014
  CAS-BOT-BC515008  Eriastrum sapphirinum subsp. dasyanthum E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temesal Canyon, between Corona and Elsinore 350 Comment
  RSA702740  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  JOTR29150  Ericameria cuneata var. spathulata La Doux, Tasha, Mike Bell 2003-10-17 1127 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  RSA0125105  Ericameria cuneata var. spathulata Duncan S. Bell 2016-10-27 10214 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  POM359411  Ericameria linearifolia M. B. Dunkle 1933-5-6 3382 Riverside Colorado Desert. Dry Morongo Creek Comment
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Oct 31 2011
  POM48338  Ericameria linearifolia E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  UCR216423  Ericameria linearifolia Michael L. O'Leary 2008-4-16 01 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  POM182369  Ericameria palmeri var. pachylepis J. Ewan 1931-10-3 5225 Riverside Dry sand at lake margin Mocking bird Canyon, near Arlington. Comment
  CAS-BOT-BC299543  Ericameria paniculata Mrs. Robert Campbell 1921-11-26 4 Riverside Between Palm Springs and Indian Wells Comment
  OBI38365  Ericameria paniculata David J. Keil 1980-11-30 s.n. Riverside At Whtewater along I-10 Comment
  RSA782141  Ericameria paniculata Stephanie Rockwood, Christi Gabriel 2011-10-18 145 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  CAS-BOT-BC131639  Ericameria parishii var. parishii Edmund C. Jaeger 1923-6-24 s.n. Riverside East slope of San Jacinto Mtn. 2133 Comment
  RSA588677  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-26 0834 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary 713 Comment
  RSA0120443  Erigeron divergens Duncan S. Bell, LeRoy Gross 2016-5-18 9601 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  CLARK-A1528-206  Erigeron philadelphicus C. M. Flanagan 1973-4-26 OO 317 Riverside Morongo Indian Reservation 1158 Comment
  UCD132022  Erigeron strigosus var. strigosus Steve Morgan 1994-3-25 94 -1 Riverside in the UCR Botanic Garden. Comment
  CAS-BOT-BC189085  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyon, N slope Santa Rosa Mountains 1316 Comment
  CLARK-A1528-541  Eriodictyon crassifolium Charlotte Stocks 1962-6-13 Riverside San Jacinto Mountains Comment
  HSC84136  Eriodictyon crassifolium H. A. Heaton 1987-5-3 25 Riverside San Jacinto Mtns., .9 mi. up Bee Canyon from Hwy. 74 503 Comment
  POM47193A  Eriodictyon crassifolium Mary F. Spencer 1920-4-1 1451 Riverside desert near Palm Springs 122 Comment
  RSA444486  Eriodictyon crassifolium J. C. Roos 1947-3-15 3340 Riverside San Jacinto Mtns: Cranston Ranger Station, E of Hemet, west base of Mtns. 610 Comment
  UCR260865  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41462 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR87934  Eriodictyon crassifolium var. crassifolium A. C. Sanders, N. Ferguson 1994-6-2 14623 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  CAS-BOT-BC248617  Eriogonum apiculatum E. L. Peterson 1931-9-5 s.n. Riverside Coldwater Canyon, San Jacinto Mts. 1524 Comment
  RSA393051  Eriogonum apiculatum N. R. Zabriskie, Walter M. Zabriskie 1969-9-20 234 Riverside Forest Service road to Deer Springs Trail beyond end of road up west bank Strawberry Creek, above Fern Valley Corners, Idyllwild 1982 Comment
  RSA766437  Eriogonum apiculatum E. L. Peterson 1931-9-8 s.n. Riverside Ridge trail to Tahquitz Peak, along S side of Tahquitz Valley. San Jacinto Mts. 2439 Comment
  RSA783744  Eriogonum apiculatum J. D. Olmsted 1959-7-7 757 Riverside Drainage area to Tahquitz Creek. Just NE of north lobe of Skunk Cabbage Meadow E-NE of Idyllwild. 2424 Comment
  SD28109  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mountains. Point View, near Idyllwild 1646 Comment
  SD173056  Eriogonum cithariforme Melanie Howe, D. Faulkner 1993-11-21 371 Riverside Painted Canyon (Mecca Quad) 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
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  RSA393469  Eriogonum davidsonii Donald Myrick 1969-10-20 2128 Riverside Along Hwy 74 east of Hemet. 1067 Comment
  RSA593376  Eriogonum davidsonii Scott D. White 1996-7-23 4356 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  UC66494  Eriogonum deflexum var. deflexum E. E. Schellenger 1904-10-19 5 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  POM10472  Eriogonum elongatum F. M. Reed 1904-8-15 s.n. Riverside Riverside. Along Blair Street Comment
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Jul 4 2010
  SD136785  Eriogonum elongatum var. elongatum Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7680 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, Ao mile upstream from top of Tenaja Falls 395 Comment
  OBI81681  Eriogonum fasciculatum Cecelia Call 1958-7-14 7 Riverside On Chase drive near Corona Comment
  SDSU6516  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 278 Riverside Along road, South side of Lake Matthews. Comment
  CAS-BOT-BC249900  Eriogonum fasciculatum var. flavoviride Annie M. Alexander; Louise Kellogg 1941-5-15 2190 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  UC667251  Eriogonum fasciculatum var. flavoviride Annie M. Alexander and Louise Kellogg 1941-5-15 2190 Riverside n base of Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  LA206858  Eriogonum fasciculatum var. foliolosum A. M. Johnson; August 1819 1932 4132 Riverside San Jacinto Mountains, along road Comment
  HSC47417  Eriogonum fasciculatum var. polifolium Richard Spjut, C. E. Edson 1978-5-5 5016 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. Comment
  LA206784  Eriogonum fasciculatum var. polifolium D. A. Johansen; F. R. Fosberg 1932-4-10 7048 Riverside Warner Ranch at Whitewater Comment
  RSA393343  Eriogonum fasciculatum var. polifolium H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA613164  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  SD229225  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 628 Riverside Mt. San Jacinto 1085 Comment
  CAS-BOT-BC253487  Eriogonum gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon, sandy benches in canyon bottom at the confluence with Bluewataer Canyon, Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest 304 Comment
  UCR178322  Eriogonum gracile T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 618 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR261191  Eriogonum gracile A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41719 Riverside Esinore, large vacant lot NW of Hwy 74 and SW of the intersection of 74 and Collier Ave. 386 Comment
  RSA393098  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-1 2282 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  JEPS56775  Eriogonum maculatum Marjorie D. Clary 1932-6-5 1020 Riverside 15 mi nw Indio (Dead Indian Trail); Colorado Desert 243 Comment
  UC849591  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 6594 Riverside e Keen Camp P.O. 1370 Comment
  POM13396  Eriogonum nudum var. pauciflorum E. C. Jaeger 1922-8-22 1018 Riverside Long Valley 2683 Comment
  RSA553951  Eriogonum nudum var. pauciflorum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd (Truck Trail going up Santa Rosa Mountain), ca. 8 mi. SE of the junction with Hwy 74. West of Deep Canyon. Comment
  UCR35094  Eriogonum parishii L. B. Ziegler 1966-8-9 77 Riverside San Jacinto Mtns., Hemet (Thomas-Garner) Valley 1418 Comment
  UCSB1532  Eriogonum pusillum Walker, Clifford 1954-4-10 Riverside slope mouth of White Water Canyon Comment
  SD160871  Eriogonum roseum Virginia Moran 2003-9-1 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, accessed from Wilson Valley Road Comment
  JEPS56317  Eriogonum saxatile H. M. Hall May 17 1901-Jun 1 1901 1842 Riverside Comment
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Sep 17 2011
  UC218027  Eriogonum saxatile P. A. Munz and I. M. Johnston 1922-5-7 5284 Riverside Dry Morongo Wash Little San Bernardino Mountains 457 Comment
  HSC88767  Eriogonum thomasii Elizabeth Neese 1979-4-11 7093 Riverside Between Blythe and Rice, 11 mi. NW of Blythe. 305 Comment
  RSA424961  Eriogonum thomasii M. B. Dunkle 1932-3-25 2904 Riverside Cathedral Canyon Comment
  RSA676112  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG25047  Eriogonum thomasii D. Myrick 1966-4-1 1324 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UCR101593  Eriogonum thomasii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA0009731  Eriogonum thomasii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  JEPS56273  Eriogonum thurberi W. L. Jepson 1901-5-22 1401 Riverside Palm Canyon Mt. San Jacinto, Palm Canyon Comment
  RSA527848  Eriogonum thurberi Scott D. White 1991-5-13 91 -117 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA766489  Eriogonum thurberi E. L. Peterson 1930-5-30 5653 Riverside Warner's Ranch at Whitewater. 366 Comment
  SD225077  Eriogonum thurberi G. K. Helmkamp 1998-4-3 3075 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111 395 Comment
  UC217964  Eriogonum thurberi P. A. Munz and I. M. Johnston 1922-5-19 5348 Riverside 5 mi ne Murietta 457 Comment
  CAS-BOT-BC263584  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  JEPS56822  Eriogonum trichopes W. L. Jepson 1927-4-12 11642 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  UCR50886  Eriogonum trichopes A. C. Sanders 1988-5-11 7809 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  CAS-BOT-BC264925  Eriogonum wrightii var. membranaceum Lester Rowntree 1929-11-13 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC264933  Eriogonum wrightii var. membranaceum F. H. Billings 1932-10-15 2 Riverside Morongo Valley near Redlands Comment
  RSA520083  Eriogonum wrightii var. membranaceum Steve Boyd, Dave Bramlet 1988-10-8 2866 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  LA207104  Eriogonum wrightii var. nodosum Carl Epling; October 1934 sn Riverside Palms to Pines Highway 152 Comment
  UCR3445  Eriophyllum ambiguum var. paleaceum John Minnich 1964-3-25 64-3-25 8 Riverside Sonoran (Colorado) Desert, Hwy 74, on desert side of San Jacinto Mtns. 457 Comment
  UCD132264  Eriophyllum confertiflorum P. C. Everett; E. K. Balls 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  UCR180696  Eriophyllum confertiflorum Mitch Provance 2003-4-26 9884 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR231808  Eriophyllum confertiflorum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 15 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UC31712  Eriophyllum confertiflorum var. confertiflorum Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Mountains Comment
  JEPS3064  Eriophyllum multicaule C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4734 Riverside Gavilan Peak 600 Comment
  SEINET2051198 Image available Eriophyllum multicaule Howard S. Gentry 1947-4-20 7637 Riverside Gentry Farm, 3 miles NE of Murrieta. 396 Comment
  CAS-BOT-BC296969  Eriophyllum wallacei Catherine A. Toschi 1963-4-11 63 :127 Riverside Porcupine Wash, Joshua Tree National Monument; sandy wash 762 Comment
  POM7015  Eriophyllum wallacei I. M. Munz, L. T. Street, Williams 1919-3-28 2389 Riverside San gorgonio Pass near Cabazon 543 Comment
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Mar 13 2011
  UC1260243  Eriophyllum wallacei Dale E. Johnson with J. E. Eckenwalder 1975-3-23 169 Riverside below parking lot Big Horn Lookout (on Hwy 74 (road to Palm Desert) 22.0 km (13.7 mi) s of Hwy 111 (Palm Springs-Indio road)); , Hwy 74 1040 Comment
  SD143858  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont: Near railroad on east side of Highway 79, south of I-10. 793 Comment
  UCR169319  Erodium botrys T. B. Salvato, John F. Green 2004-5-27 615 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR180591  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR97892  Erodium cicutarium A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19845 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM13932  Erodium texanum P. A. Munz 1922-3-12 4711 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  CSUSB1406  Erysimum capitatum K. S. Gill 1965-4-18 S. N. Riverside On UCR campus 243 Comment
  CAS-BOT-BC9466  Erythranthe diffusa Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  RSA0020086  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  RSA0020242  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-7-8 12396 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  SJSU7738  Erythranthe palmeri J. W. Tofflemire 1957-4-18 Riverside 10 mi SE of Hemet up Bautista Canyon Rd 1158 Comment
  RSA0014888  Erythranthe tilingii G. R. Campbell 1948-7-4 616 Riverside On streambank at Azalea Trails Girl Scout Camp, near Idyllwild. Comment
  UC1292611  Eschscholzia californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23096 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCR137498  Eschscholzia californica D. L. Banks, V. W. Steinmann 1997-3-13 1530 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR172715  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UCR251937  Eschscholzia californica Harun Bektas 2011-4-26 14 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA445669  Eschscholzia minutiflora M. B. Dunkle 1932-3-25 2915 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  SD225053  Eschscholzia minutiflora G. K. Helmkamp 1998-4-4 3133 Riverside Southern Mojave Deset: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center- Rice Rd.) 474 Comment
  UC1922719  Eschscholzia minutiflora Naomi Fraga, Lisa Rojas 2005-2-10 1397 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  UCD95412  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 a Riverside Mecca-Joshua Tree Road, 7 miles southwest of the junction with Interstate Highway 10. 243 Comment
  CAS-BOT-BC419613  Eschscholzia parishii Milo S. Baker 1928-4-3 3243 a Riverside Palm Sps Canon [Canyon] Comment
  JOTR37497  Eschscholzia parishii Hodges, Stephen R., L. Ashfield 2016-1-20 626 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  RSA784765  Eschscholzia parishii Duncan S. Bell 2012-3-18 3169 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SDSU18656  Eschscholzia parishii Michael G. Simpson, Kristen Hasenstab 2008-4-2 2946 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UCR112104  Eschscholzia parishii A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23355 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR88437  Eschscholzia parishii A. C. Sanders, K. C. Rose 1995-4-5 16356 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCSB18266  Eschscholzia parishii Day, Fran 1964-3-23 Riverside 4.2 miles N of south entrance to Joshua Tree National Monument 762 Comment
  UCR136261  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  SD144470  Eucrypta chrysanthemifolia A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20700 Riverside San Jacinto Mtns: N side of range, Twin Pines Creek below the confluence with Brown Creek 854 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
  UCR96706  Eucrypta chrysanthemifolia A. C. Sanders 1997-3-1 19720 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  CLARK-A1656-724  Eucrypta chrysanthemifolia var. chrysanthemifolia Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  RSA614403  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-3-16 1536 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCR25546  Eucrypta chrysanthemifolia var. chrysanthemifolia John C. Roos 1941-9-14 174 Riverside Plateau in Reche Canyon Comment
  JEPS33745  Eulobus californicus Marjorie D. Clary 1932-5-26 1548 Riverside Pleasant Valley Colorado Desert, Hexie Mountain 1066 Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  POM49795  Euonymus occidentalis var. parishii I. M. Johnston 1924-7-27 8790 Riverside Dark Canyon, San Jacinto Mountains. Comment
  UCR273963  Euphorbia Mitch Provance 2012-8-1 812- 48 Riverside Colorado Desert, Thousand Palms, N side of Hwy 10, Denny's on E Ramon Rd. 70 Comment
  UCR245990  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  POM184544  Euphorbia eriantha C. L. Hitchcock 1932-4-7 12203 Riverside Chuckwalla Mountains: Corn Springs. Comment
  RSA0123118  Euphorbia eriantha Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9028 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
  RSA314623  Euphorbia misera R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR167267  Euphorbia polycarpa John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA48329  Euphorbia polycarpa var. hirtella E. K. Balls 1949-4-4 12965 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  OBI14391  Euphorbia setiloba Robert F. Hoover 1966-10-15 10161 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  UCR102927  Euphorbia setiloba George K. Helmkamp, E. A. Helmkamp 1998-2-5 2686 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA559950  Euphorbia spathulata Steve Boyd, Orlando Mistretta 1992-4-23 7061 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA69420  Eustoma exaltatum F. W. Peirson 1924-12-30 5419 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  GMDRC9794  Fagonia laevis J. M. Andre 2017-3-1 37995 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  POM14909  Fagonia laevis Mary F. Spencer 1922-4-3 239 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  RSA391194  Fagonia laevis Robert Gustafson 1980-4-3 1522 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA748590  Fagonia laevis Scott D. White, Justin M. Wood 2009-4-28 12610 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA796752  Fagonia laevis Jim Andre 2012-4-11 20841 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  SEINET885180  Fagonia laevis T. L. Burgess 1980-1 5800 Riverside Hwy 74, 6.1 miles south of junction with Hwy 111 in Palm Desert. 533 Comment
  RSA0009993  Fagonia laevis Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  UCR200289  Fagonia pachyacantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11237 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
  POM286917  Ferocactus cylindraceus var. lecontei Lyman Benson, Robert Benson 1952-4-8 14856 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UCR20860  Festuca microstachys var. microstachys A. C. Sanders 1978-6-11 886 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  CLARK-A1528-4670  Festuca reflexa John C. Roos 1938-4-9 1641 Riverside Riverside Comment
  RSA0026300  Filago John F. Emmel 1991-4-28 1170 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
  RSA500100  Filago californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3210 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR166300  Filago depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16143 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA192327  Filago gallica H. A. Zuill 1966-6-29 267 Riverside about 2 miles west of Murrieta. Comment
  UCR133668  Filago gallica 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
  UC218026  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-7 5256 Riverside Keyes Ranch; Little San Bernardino Mts. 1219 Comment
  UC922772  Forestiera pubescens Annie M. Alexander and Louise Kellogg 1940-3-21 891 Riverside 20 mi s Twenty Nine Palms (Parker Dam, end of road); Mohave Desert, Parker Dam 1322 Comment
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May 14 2011
  UCR4149  Fouquieria splendens Ronald M. Cope 1965-4-8 s.n. Riverside Sonoran (Colorado) Desert, between Desert Center and Indio, c. 25 mi. west of Desert Center, north side of road [vicinity of Cottonwood Springs Rd.] 30 Comment
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  RSA748657  Fragaria vesca Justin M. Wood, Brandy Wood 2009-6-13 885 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  UC1951169 Image available Fragaria vesca Justin M. Wood with Dustin Ray 2009-6-13 885 Riverside SAN JACINTO MOUNTAINS: Idyllwild County Park, Lilly Creek and adjacent slope to W of campground. USGS Idyllwild 7.5' Quad. Comment
  RSA0018444  Fragaria vesca N. C. Cooper 1944-6-17 1402 Riverside Above Banning. 1220 Comment
  RSA407880  Frasera parryi Walter Wisura 1987-8-28 4176 Riverside SE side of Thomas Mtn, near Pine Meadows, where gravel road 5S15 to Thomas Mtn, San Jacinto Mtn. Comment
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Jun 3 2012
  LA50896  Fraxinus dipetala Carl Epling; 1943-3-27 sn Riverside 4 mi. W of Elsinore, on Ortega Highway Comment
  SD119908  Fraxinus dipetala Louis B. Ziegler 1969-5-20 364 Riverside San Jacinto Mountains; Bautista Canyon, upper canyon . 1143 Comment
  UCR35206  Fraxinus dipetala L. B. Ziegler 1969-5-20 364 Riverside San Jacinto Mtns, Bautista Canyon, upper canyon 1143 Comment
  UCR67352  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4064 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  UCD121395  Funastrum cynanchoides var. hartwegii Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 272 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon. 304 Comment
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Jun 20 2013
  JOTR37432  Funastrum hirtellum Hodges, Stephen R., T. Hender 2015-12-29 554 Riverside Joshua Tree National Park. Eagle Mountains, mid way up Dragon Wash, (Stop 2) Comment
  POM126255  Funastrum hirtellum T. Craig 1927-4-2 4 Riverside Hidden Springs Canyon. Comment
  SEINET10851908  Funastrum hirtellum Edward Palmer 1876-1 Palmer 441 Riverside Colorado River Valley Comment
  RSA0120004  Galium andrewsii Duncan S. Bell, Thomas Stoughton 2016-4-13 9257 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UC1929611  Galium angustifolium Scott D. White 2003-3-21 8816 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  POM367710  Galium angustifolium subsp. angustifolium E. S. Spalding 1925-6-12 s.n. Riverside Vicinity of Temecula. Comment
  RSA27806  Galium angustifolium subsp. angustifolium C. Leo Hitchcock 1940-4-12 6039 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA674659  Galium angustifolium subsp. angustifolium Scott D. White 2000-8-5 8117 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA500216  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3527 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR147260  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR139041  Galium aparine D. L. Banks 1997-3-6 1397 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCR174053  Galium aparine A. C. Sanders 2006-5-19 32430 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
  JEPS52917  Galium californicum subsp. primum Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 1/2 Riverside Chimney Flat (old control) road below Alvin Meadows; San Jacinto Mts., Chimney Flat (old control) road 1402 Comment
  SBBG68947  Galium parishii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  UC64376  Galium parishii H. M. Hall 1897-8-11 825 Riverside near Long Valley; San Jacinto Mountains, Tamarack Valley 2560 Comment
  UC774631  Garrya flavescens Carl B. Wolf 1939-1-20 Riverside e side Santa Ana Mts. (along Eagle Motor Way, 1 mi below summit) 914 Comment
  UCR91912  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  CAS-BOT-BC303577  Geraea canescens Carl B. Wolf 1932-4-27 3066 Riverside Colorado Desert. 16 miles E of Desert Center 121 Comment
  CAS-BOT-BC303584  Geraea canescens Mrs. Robert Campbell 1921-11-26 5 Riverside Between Palm Springs and Indian Wells Comment
  POM30733  Geraea canescens W. G. Wright s.n. Riverside Agua Caliente (Palm Spring), Colorado Desert. Comment
  UC577422  Geraea canescens J. and H. W. Grinnell 1937-11-30 1085 a Riverside 24 mi w Blythe; Bed of Ford Dry Lake Comment
  UC895507  Geraea canescens Alice Eastwood 1913-4-30 3056 Riverside Palm Springs Comment
  UC912521  Geraea canescens Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  SEINET10726150  Geraea canescens David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2872 Riverside Pushawalla Canyon, Indio Hills. In ravine on west wall of canyon. Comment
  UC64176  Geranium californicum H. M. Hall Jul 1897 7221 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
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Mar 12 2011
  RSA343100  Geranium dissectum Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60636 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA180450  Geranium dissectum E. W. Lathrop 1965-5-30 5783 Riverside 6 miles W of Murrieta. Comment
  UCR118404  Gilia A. C. Sanders 1994-5-30 14602 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR154383  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16215 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SD187454  Gilia angelensis Scott D. White, Angelia Carey 2004-4-16 10183 Riverside Indian Creek and adjacent slopes. 548 Comment
  UC52726  Gilia angelensis H. M. Hall 1902-4-18 2905 Riverside above Sage; above Sage Comment
  UCR196893  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-2-19 34424 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  HSC79757  Gilia capitata subsp. abrotanifolia D. H. Wilken 1965-6-29 317 Riverside 1 mi. N of Poppet Flat along County Rte. 1, San Jacinto Mtns. 1220 Comment
  RSA67077  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1951-6-4 16010 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  SBBG94831  Gilia capitata subsp. abrotanifolia E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation Comment
  UC908898  Gilia diegensis Carl V. Meyer 1927-6-18 774 Riverside upper part Hemet Valley , Hemet Valley (San Jacinto Mountains) 1219 Comment
  SBBG64485  Gilia inconspicua var. sinuata Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UCR71847  Gilia maculata George K. Helmkamp 1992-4-16 92- 4 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  UCR202410  Gilia ochroleuca 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
  JOTR30804  Gilia stellata La Doux, Tasha 2008-3-10 1823 Riverside Joshua Tree National Park. Northwest end of Eagle Mountains, near road to Cottonwood Canyon 898 Comment
  RSA585812  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0346 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
  SD186045  Glinus lotoides A. C. Sanders, Kerry Knudsen and T. B. Salvato 2004-5-18 27909 Riverside Southeast of old clay mining area. 448 Comment
  UCR159200  Glinus lotoides A. C. Sanders, Kelly Volansky 2005-8-31 31591 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA463721  Gnaphalium beneolens B. Pitzer, Jack Easton 1987-3-10 398 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi E of town of Anza on N side of Hwy 371. 1341 Comment
  CLARK-A1045-874  Gnaphalium bicolor George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  UCR140563  Gnaphalium californicum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 66 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR167865  Gnaphalium californicum T. B. Salvato, Melissa Clemons 2005-6-2 1351 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR97752  Gnaphalium californicum A. C. Sanders 1997-3-1 19734 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
  SEINET959511 Image available Gnaphalium canescens subsp. beneolens R. E. Riefner Jr. 2006-1 06 -432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. (Temecula 7.5 Q) 305 Comment
  POM15072  Gnaphalium chilense Mary F. Spencer 1922-4-10 1959 Riverside Palm Springs, alt 500ft, Riverside County 152 Comment
  UCR59779  Gnaphalium luteoalbum Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  CAS-BOT-BC307398  Gnaphalium palustre A. C. Sanders 1998-5-21 21868 Riverside Hemet, alkaline flats west of town along Stetson Ave. W of Warren Road 457 Comment
  CLARK-A1528-7803  Gnaphalium palustre John C. Roos 1952-6-8 5742 Riverside Reche Canyon 640 Comment
  UCR125223  Gnaphalium palustre Mitch Provance, Twoc Tran 1998-5-30 565 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR88293  Grayia spinosa A. C. Sanders, K. C. Rose 1995-4-5 16379 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR17935B  Guillenia lasiophylla A. C. Sanders 1976-4-20 00224 B Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR111769  Gutierrezia californica Mitch Provance 1998-3-20 251 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  UCR133678  Gutierrezia californica John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  JOTR31173  Gutierrezia microcephala Matthews, Katy, Scott Szabo, Miriam Vamstad 2008-9-10 2 Riverside Joshua Tree National Park. Geology Tour Rd. burn site [UTMs (NAD83) estimated from lat/long Aug 2012 -MH) 1353 Comment
  SD5187  Gutierrezia sarothrae Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Comment
  UC1118606  Gutierrezia sarothrae A. E. Wieslander 1931-1-1 148 Riverside Comment
  UCR82926  Haplopappus acradenius A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR85386  Haplopappus acradenius A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15879 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  HSC85415  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  UCR67356  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4008 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA0066616  Harpagonella palmeri P. A. Munz, Ivan M. Johnston 1922-5-19 5335 a Riverside 5 mi NE of Murietta. 427 Comment
  RSA0094790  Hedypnois cretica Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7935 A Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  UCR124218  Helianthemum scoparium S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR103728  Helianthus annuus A. C. Sanders 1997-3-19 20036 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR81684  Helianthus annuus J. M. Stewart 1994-5-2 865 Riverside Western Colorado Desert, Coachella Valley, Coachella. Dillon Road at Highway 86 Comment
  UCR58164  Helianthus californicus George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  CAS-BOT-BC305708  Helianthus gracilentus P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17268 Riverside 3.7 mi. s.e. of Banning along hwy to Idyllwild, San Jacinto Mts. 914 Comment
  UCR100291  Helianthus gracilentus B. G. Pitzer 1997-4-20 3177 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR112306  Helianthus gracilentus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23452 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
  UCSB39110  Heliotropium curassavicum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along Highway 111, Salton Sea -70 Comment
  CLARK-A1656-888  Heliotropium curassavicum subsp. oculatum Jim Cornett 1977-7-10 Riverside Thermal 0 Comment
  RSA588811  Heliotropium curassavicum var. oculatum D. L. Banks, S. D. Boyd 1995-11-17 764 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA674548  Hemizonia fasciculata Scott D. White 2000-5-1 7753 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  RSA500137  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3673 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR93814  Hemizonia kelloggii P. J. MacKay 1996-6-15 010 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA713780  Hemizonia mohavensis A. C. Sanders, S. D. Boyd, J. S. Ross, Mitch Provance 1998-10-25 22276 Riverside Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road. 1329 Comment
  RSA675799  Hemizonia paniculata Scott D. White 2001-7-9 8719 Riverside Menifee: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR114545  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR20967  Hemizonia pungens subsp. laevis A. C. Sanders, Steve Boyd 1980-5-19 1477 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR252651  Hemizonia pungens subsp. laevis T. B. Salvato, Matthew Malle 2013-4-2 7492 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR260875  Hemizonia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41573 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
  UCR66972  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney, P. Gordon-Reedy 1989-6-5 1934 Riverside Domengoni-Diamond Valley, just west of Gateway Farms south of Newport Rd. [1 mi. west of] Rawson Rd. [site now under water of Diamond Valley Reservoir] 517 Comment
  UCR59918  Hemizonia pungens subsp. pungens Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, c. 1 mi south of Hwy 60 on Nason St. Adjacent to W side of Nason, south of Dracaea Ave. Comment
  RSA0073109  Hesperocallis undulata Jim Andre 2013-3-27 24801 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  RSA612504  Hesperocnide tenella D. L. Banks 1997-2-17 1269 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mountain at the south end of Los Caballos Road, the University of California-Emerson Oaks Reserve. The western most portion of the Preserve, south of a large, privately owned citrus grove. 445 Comment
  UCR137029  Hesperocnide tenella A. C. Sanders 2004-5-5 27768 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
  UCR158270  Hesperocnide tenella A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29492 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
  LA22798  Hesperoyucca whipplei Eva Ward; sn Riverside Mt. David, Beaumont Comment
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Mar 2 2014
  RSA586246  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-3-30 0118 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  UCR195118  Heterocodon rariflorum A. C. Sanders, Tim Thomas 2008-8-1 35947 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 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
  RSA0075888  Heterotheca grandiflora Doris Bowers 1972-4-15 1825 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  RSA596158  Heterotheca sessiliflora subsp. echioides D. L. Banks 1996-11-7 1218 B 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
  UCR58452  Heterotheca sessiliflora subsp. fastigiata George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  JOTR35331  Hibiscus denudatus Harding, Mitzi, Mark Wheeler 2012-2-28 97 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  UCR133701  Hibiscus denudatus N. C. Cooper 1944-4-8 1072 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 305 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
  POM10495  Hieracium albiflorum Charlotte M. Wilder 1909-7-10 980 Riverside Above Strawberry Valley, San Jacinto Mts Comment
  UCD89927  Hilaria rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCR2458  Hilaria rigida F. M. Reed 1920-3-24 4286 Riverside Sonoran (Colorado) Desert, Morongo Pass near Whitewater Station 457 Comment
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Oct 1 2011
  SD137829  Hirschfeldia incana Darin L. Banks, Steve Boyd 1995-5-3 198 Riverside Agua Tibia Mountains Watershed; North slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvia benche 505 Comment
  UCD115104  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  CAS-BOT-BC206107  Hoffmannseggia microphylla Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCSB3086  Hoffmannseggia microphylla Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  UCSB3087  Hoffmannseggia microphylla Hawkins, L. 1956-4-14 Riverside Along roadside of Rt. 66 east of Indio Comment
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Feb 20 2013
  SD152846  Hoita macrostachya Steve Boyd, Timm Ross, Dave Bramlet 1992-9-9 7669 Riverside Southern Santa Ana Mts, San Mateo Canyon Wilderness Area, upper San Mateo Cyn from junction of Tenaja Rd (7S01) & Los Alamos Rd (7S04) at confluence of Los Alamos Creek up the San Mateo Trail N to Potrero de la Cienega, about stream, top of Tenaja Falls 395 Comment
  RSA652938  Holcus lanatus Mitch Provance 2000-6-24 2051 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  UCR116654  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR126978  Hordeum depressum A. C. Sanders, T. B. Salvato 2003-5-9 26582 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR162940  Hordeum depressum Fred M. Roberts, D. E. Bramlet 2005-4-1 6147 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA617991  Hordeum marinum subsp. gussoneanum R. E. Riefner 1998-6-19 98 -361 Riverside Elisnore Trough, Lake Elsinore area Comment
  RSA771036  Hordeum murinum subsp. glaucum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4452 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305 487 Comment
  RSA519005  Hordeum murinum subsp. leporinum O. F. Clarke 1973-3-21 s.n. Riverside 1012 Spruce Street, Riverside Comment
  RSA594520  Hordeum murinum subsp. leporinum D. L. Banks, Rashmi Pant 1996-5-13 1025 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station;, (100 m E of where Hwy. 79 leaves the Forest Service Boundary). On the S side of Hwy. 79. T8S R1W; Just N of the NE 1/4, NW 1/4 of sec. 23. 487 Comment
  HSC10209  Hordeum murinum subsp. murinum C. L. Hitchcock, C. V. Muhlick 1961-3-17 23083 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  UCR82766  Horkelia clevelandii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15782 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  RSA0042109  Horsfordia newberryi Duncan S. Bell, Deidre Conocchioli 2014-3-11 6226 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA720462  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1681 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  UC32859  Hulsea vestita subsp. callicarpha H. M. Hall Jun 1 1901-Jul 1 1901 2313 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  UCR186852  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah M. Siedschlag 2006-5-22 1681 Riverside San Jacinto Mountains, On road that leads to Duchess Canyon, east of Fobes Ranch 1677 Comment
  SD187327  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-9-16 10761 Riverside San Jacinto Mountain foothills: Indian Creek. 548 Comment
  SEINET10474740  Hymenoclea salsola Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 26 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UCR3467  Hymenoclea salsola Sally Bell 1964-3-24 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, along Washington [Street], c. 3.5 mi. north of the 'Indio Freeway' (= Hwy I-10) 76 Comment
  POM13022  Hymenolobus procumbens P. A. Munz 1922-4-29 5120 Riverside Lancaster Valley, s. of Hemet 457 Comment
  LA61585  Hyptis emoryi Carl Epling; 1935-3-23 sn Riverside Painted Canyon, near Mecca Comment
  POM294817  Hyptis emoryi Lyman Benson 1945-11-11 11963 Riverside Palm Springs. -30 Comment
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Apr 25 2011
  RSA0094192  Hyptis emoryi Duncan S. Bell, Evan Meyer 2014-10-29 7681 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA306724  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1718 Riverside Near Desert Center-Indio. Comment
  UCR120713  Hyptis emoryi Helen Kennedy, T. B. Salvato 2002-2-2 5450 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCSB44874  Hyptis emoryi Collins, Elizabeth 1977-3-29 Riverside East of N. Palm Springs, 2.5 miles up Thousand Palms Cyn. Rd. from Dillion Rd 91 Comment
  RSA0042540  Hyptis emoryi Samuel Bonsal Parish 1917-4-4 Riverside Near Palm Springs. Comment
  RSA0115579  Imperata brevifolia N. R. Zabriskie 1973-4-6 629 Riverside South side stream downstream from juncture with North Canyon. Andreas Canyon, east slope San Jacinto Mtns. 365 Comment
  UCD133421  Isocoma acradenia F. R. Lawson 1929-12-12 s.n. Riverside Mecca. Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  POM184190  Isocoma acradenia var. eremophila M. French Gilman 1932-11-30 6 Riverside Whitewater Point. Comment
  UC699669  Isocoma menziesii var. menziesii Kay H. Beach 1942-10-22 1669 Riverside 5 mi nw Corona (near bridge on River Road, at edge of Santa Ana River floodplain); Santa Ana River 198 Comment
  SD247329  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 broad oak/willow gully, about 1.13 miles west of Murrieta Road and 4.10 miles southeast of Canyon Lake. 523 Comment
  HSC85251  Iva axillaris Steve Boyd 1986-4-22 1730 Riverside Walker Canyon area where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills: N slope of Alberhill Mtn. Comment
  SD234314  Iva axillaris A. C. Sanders 2006-5-11 32264 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. 388 Comment
  RSA84404  Jepsonia parryi F. W. Peirson 1922-12-27 3337 Riverside Between forks of Andreas Canyon, near Palm Springs 609 Comment
  UCR201821  Juncus bufonius Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR266499  Juncus bufonius Mitch Provance, Matt Amalong 2015-4-6 415- 15 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  CAS-BOT-BC110089  Juncus cooperi A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-4 15887 Riverside Colorado Desert, Salton Sink. Dos Palmas Spring and immediated vicinity. -30 Comment
  POM12662  Juncus duranii Phillip A. Munz 1922-9-6 6374 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  HSC83918  Juncus effusus subsp. austrocalifornicus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47293 Riverside Santa Rosa Plateau, just SE of Tenaja Guard Station off Tenaja Truck Trail 610 Comment
  UCR40551  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR125765  Juncus rugulosus A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25657 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  RSA368376  Juncus torreyi S. B. Parish 1913-9-20 8619 Riverside Mecca, Salton Sink. 58 Comment
  SD70880  Juncus xiphioides Helen V. Witham 1969-7-2 176 Riverside Common along creek, DeLuz Creek crossing, 4 miles north of DeLuz. 249 Comment
  POM277149  Juniperus californica Lyman Benson 1946-4-15 12032 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA297031  Juniperus californica John F. Emmel 1974-3-3 473 Riverside Canyon 0.5 air mile E. & ENE of peak 4416 on 1956 USGS topographic quad., N. end Coxcomb Mts. 1219 Comment
  UC813449  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside Palms to Pines Hwy 24 mi sw Indio; San Jacinto Mts. 1066 Comment
  CAS-BOT-BC234585  Justicia californica Aven Nelson; Ruth Nelson 1939-3-22 3219 Riverside Palm Springs Comment
  UC951235  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Palm Springs, Tahquitz Wash 138 Comment
  VVC700  Justicia californica P. J. MacKay, T. Thomas 1997-2-8 95 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  CAS-BOT-BC235500  Keckiella antirrhinoides Peter H. Raven 1958-5-17 12934 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  OBI42564  Keckiella antirrhinoides A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6474 Riverside San Jacinto Mts, lower Bee Cyn, 0.2 mi above the mouth of the cyn 610 Comment
  RSA543307  Keckiella antirrhinoides Steve D. Boyd 1991-3-17 5489 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA660491  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR151958  Keckiella antirrhinoides Steve Boyd, Aydee Virgen 2004-4-13 10855 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR252216  Keckiella antirrhinoides J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  CAS-BOT-BC236724  Keckiella antirrhinoides subsp. microphylla Annie M. Alexander; Louise Kellogg 1941-5-24 2215 a Riverside North base of Eagle Mountains, Colorado Desert 1158 Comment
  RSA131402  Keckiella cordifolia E. K. Balls 1958-6-27 23283 Riverside Yellow Pine Forest, upper edge. 5 mi. se. from Silverado (Gate), Silverado Canyon. 1098 Comment
  SD178242  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR26445  Kochia scoparia A. C. Sanders 1981-9-13 2344 Riverside 3 mi NW of San Jacinto on Sanderson Ave., south of the Ramona Expressway Comment
  POM206592  Koeleria macrantha H. M. Hall 1901-06 2066 Riverside South side of San Jacinto Mountains 1524 Comment
  LA205733  Krameria bicolor A. W. Haupt; April 1926 sn Riverside Palm Springs Comment
  UC1080461  Krameria erecta P. C. Everett and E. K. Balls 1958-4-29 23030 Riverside along rd from Desert Center to Vidal Jct. 21.9 mi sw Rice 548 Comment
  RSA409403  Krameria grayi M. B. Dunkle 1933-5-6 3414 Riverside Colorado Desert. Dry Morongo Creek Comment
  RSA651632  Krameria grayi T. Strid 1972-4-30 s.n. Riverside Corn Springs C.G. 1677 Comment
  RSA795811  Krameria grayi C. P. Cowan 1978-4-23 1170 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR17305  Krameria grayi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  UCR17311  Krameria grayi B. A. Carlson 1978-4-22 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 488 Comment
  UCR72193  Krameria grayi Theo Glenn 1991-5-20 91- 100 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  CLARK-A1528-1359  Krameria parvifolia var. glandulosa John C. Roos 1948-5-15 3857 Riverside Eagle Mountains Comment
  UCR2508  Lamarckia aurea F. M. Reed 1926-3-10 5270 Riverside Riverside 229 Comment
  UC111313  Langloisia setosissima subsp. setosissima S. B. Parish 1907-4-19 6123 Riverside Palm Springs w. edge Colorado desert, Palm Springs Comment
  UC1287141  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside hills just n. Milpitas Wash (Ogilby-Blythe rd.) Comment
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Mar 2 2013
  UCR279602  Langloisia setosissima subsp. setosissima A. C. Sanders, Jim Malusa 2017-3-28 43166 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
  HSC100857  Larrea tridentata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12775 Riverside 457 Comment
  LA31387  Larrea tridentata Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 c- 172 Riverside Morongo Wash Comment
  RSA703802  Larrea tridentata LeRoy Gross 2005-3-3 1595 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC1280939  Larrea tridentata H. E. McMinn 1937-3-5 5000 Riverside about 7 mi w Blythe Comment
  UCR19763  Larrea tridentata Michael Nugent 1969-4-15 3 Riverside Sonoran (Colorado) Desert, 12 mi north of Palm Springs on Hwy 111 at Windy Point; sand dune area at the base of the E-facing slope 915 Comment
  JEPS14381  Lasthenia coronaria Rimo Bacigalupi with Gene Newcomb 1954-4-25 4399 Riverside about 0.75 mi s Sage (along State Highway 79, close to the summit of St. Johns grade) 731 Comment
  POM8241  Lasthenia coronaria P. A. Munz, R. D. Harwood 1920-3-20 3738 Riverside Temescal Canyon. 366 Comment
  RSA617302  Lasthenia coronaria R. S. Woglum 1934-3-18 649 B Riverside San Jacinto Mountains/Sonoran Desert transition: Snow Creek, Coachella Valley. Comment
  POM47486  Lasthenia gracilis Mary F. Spencer 1920-4-7 1434 Riverside Palm Canyon; Colorado Desert. 244 Comment
  RSA33497  Lasthenia gracilis N. C. Cooper 1944-3-24 998 Riverside Banning. 701 Comment
  RSA5024  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC893748  Lasthenia gracilis K. Watkins and E. McClintock 1937-4-9 Riverside between Hemet and Winchester Comment
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Mar 20 2011
  RSA406639  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-6-4 1974 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  SD73467  Lathyrus vestitus var. alefeldii Louis B. Ziegler 1967-6-25 Riverside Flat above Kenworthy Ranger Station, south end of San Jacinto Mountains 1554 Comment
  JOTR29582  Layia glandulosa Andre, Jim 2006-4-6 6714 Riverside Joshua Tree National Park. Along Desert Queen Mine Rd 1362 Comment
  POM361634  Layia glandulosa Ora M. Clark 1929-2-24 1513 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR241016  Layia platyglossa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR34928  Layia platyglossa L. B. Ziegler 1969-5-10 361 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 8 2013
  RSA395899  Layia platyglossa subsp. campestris Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  RSA660657  Layia platyglossa subsp. campestris C. A. Schideler 1981-4-11 21 Riverside E on Cajalco Rd., mil. 520916. Comment
  POM12985  Layia platyglossa subsp. platyglossa P. A. Munz, I. M. Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA192135A  Lemna gibba E. W. Lathrop 1965-3-30 5608 -A Riverside 12 miles west of Murrieta. Comment
  CLARK-A1528-5692  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  CAS-BOT-BC88684  Lepidium acutidens John Thomas Howell 1930-5-10 4783 Riverside 1 mile south of Perris. Comment
  UCR121787  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24044 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  RSA0121009  Lepidium fremontii Duncan S. Bell, LeRoy Gross 2016-3-8 8824 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA766606  Lepidium lasiocarpum Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-22 164 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UCR266358  Lepidium lasiocarpum D. E. Bramlet 2005-6-28 3886 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  RSA678114  Lepidium lasiocarpum var. lasiocarpum V. Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1089 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UC68542  Lepidium lasiocarpum var. lasiocarpum H. M. Hall Apr 1905 5879 Riverside Chuckawalla Mts. Colorado Mts. Comment
  UC1929668  Lepidium latifolium Scott D. White 2003-6-9 9524 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCR22134  Lepidium nitidum Steve Boyd 1980-5-22 298 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  HSC6860  Lepidium virginicum var. menziesii C. L. Hitchcock 1966-3-15 24163 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  RSA151190  Lepidospartum squamatum Peter H. Raven 1961-10-8 16841 Riverside Whitewater Wash along Snow Creek road near State Hwy 111. 351 Comment
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Mar 29 2014
  UCR21995  Lepidospartum squamatum Steve Boyd 1980-7-12 334 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  JOTR35498  Leptosiphon aureus subsp. aureus La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3186 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  RSA543904  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, Orlando Mistretta 1991-5-22 6287 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR41320  Lessingia filaginifolia N. M. Fellows 1984-11-12 34 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  CAS-BOT-BC339358  Lessingia glandulifera var. glandulifera Scott D. White 1996-8-1 4406 A Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  UCR108866  Lessingia glandulifera var. glandulifera Heidi A. Haid 1968-9-24 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA234048  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39316 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  RSA723549  Limonium ramosissimum R. E. Riefner 2006-8-22 6 -398 Riverside Corona-La Sierra area, vicinity of Green River Rd. and Palisades Dr. 16 Comment
  CAS-BOT-BC225694  Linanthus californicus A. M. White 1974-6-5 1370 Riverside Indian Road ca 15 mi. W. Sun City 1219 Comment
  RSA652615  Linanthus californicus T. Sargent 1959-5-17 s.n. Riverside Ontario-Corona Road, west of Prado Dam Comment
  UCD166199  Linanthus californicus Jack Major 1962-4-16 764 Riverside Along shoulder and on cut banks of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  UC23484  Linanthus dianthiflorus A. J. McClatchie 1892-4-26 35 Riverside near Elsinore Comment
  UCR8100  Linanthus dianthiflorus Henry E. Davis 1969-5-20 s.n. Riverside Moreno Valley area, dirt road 1 mile from Redlands Blvd., leaving Redlands Blvd. 1.75 miles north of Hwy 60 732 Comment
  POM279171  Linanthus dianthiflorus subsp. dianthiflorus Lyman Benson 1932-3-26 3181 Riverside Summit Temecula Grade. Comment
  POM65865  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1902-04 2942 Riverside Vicinity of Riverside 366 Comment
  UCR121238  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2250 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA480084  Linanthus filiformis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA673729  Linanthus lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR89453  Linaria canadensis Steve Boyd, D. L. Banks 1994-4-5 8260 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  RSA525350  Linaria canadensis var. texana Steve D. Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4448 Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  UCR158131  Linaria canadensis var. texana A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30101 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
  UCR207521  Linum grandiflorum O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CAS-BOT-BC434237  Lithophragma Tracy Tennant; Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  RSA92551  Lithophragma affine subsp. mixtum J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  UC465549  Loeflingia squarrosa var. squarrosa Fred M. Reed 1907-6-9 1394 Riverside Ba<?> Ranch Riverside (Sec. 30) Comment
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Jul 30 2006
  RSA773045  Loeseliastrum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5036 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
  RSA750716  Loeseliastrum matthewsii R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53588 -b Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA172223  Loeseliastrum schottii R. F. Thorne 1963-3-29 32387 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UC909104  Loeseliastrum schottii Frank W. Peirson 1926-2-22 6506 Riverside n. of grove palms 1000-Palm Canyon 152 Comment
  JOTR34009  Logfia depressa La Doux, Tasha, M. Harding 2010-4-7 2897 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  JEPS40653  Logfia filaginoides L. M. Newlon 1922-4-3 448 Riverside Andreas Canyon Mt. San Jacinto Comment
  CAS-BOT-BC342359  Logfia gallica Robert F. Thorne; P. A. Munz; E. Lathrop 1968-5-8 37577 Riverside Santa Rosa Plateau: desiccated margin of vernal marsh on Mesa de Colorado, Rancho California 670 Comment
  UCR232795  Lolium perenne subsp. multiflorum John F. Green 2008-4-16 0408- 49 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  SEINET251688 Image available Lolium rigidum Walter Graves 2002-5-15 502 -20 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields 305 Comment
  RSA336410  Lomatium mohavense subsp. longilobum R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  RSA192213  Lomatium vaginatum E. W. Lathrop 1960-3-11 4655 Riverside 5 miles west of Murrieta. Comment
  UCR95946  Lonicera subspicata Scott D. White 1996-8-1 4439 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  UC1125311  Lonicera subspicata var. denudata R. St. John 1931-1-24 177 Riverside ne Oak Mountain; San Jacinto Quadrangle Comment
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Nov 27 2011
  UCSC000918  Lotus argophyllus Peter Kamb 1947-5-17 513 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  RSA567202  Lotus argophyllus var. argophyllus Walter Wisura, W. Steinmetz 1993-5-29 4918 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  UC501578  Lotus argophyllus var. argophyllus Frank W. Peirson 1922-4-30 2933 Riverside St. John's Grade 762 Comment
  CSUSB1187  Lotus hamatus Annette Price 1962-5-8 091 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  UCR214135  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37739 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
  UCR92162  Lotus hamatus D. L. Banks, Peter L. Morrell 1995-5-4 315 Riverside Agua Tibia Mtns., Cleveland National Forest, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground at base of hills north of Wildhorse Peak. 537 Comment
  RSA195479  Lotus heermannii C. R. Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  SEINET3696056 Image available Lotus heermannii B. Ertter, J. Strachan 1979-6-26 2988 Riverside Banning-Idyllwild Road at Black Mtn turnoff, San jacinto Mts Comment
  UCR109482  Lotus heermannii A. C. Sanders, D. R. Schramm, D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  UCR43283  Lotus heermannii B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  POM259181  Lotus nevadensis var. nevadensis P. A. Munz 1938-8-13 15328 Riverside Cedar Spring, north base of Santa Rosa Peak 2287 Comment
  RSA6031  Lotus nevadensis var. nevadensis C. B. Wolf 1932-8-4 3916 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  JOTR32152  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA406793  Lotus rigidus Anstruther Davidson 1895-04 s.n. Riverside Palm Springs; Colorado Desert. Comment
  UC186780  Lotus rigidus S. B. and W. F. Parish Apr 1884 14 Riverside Agua Caliente, borders of Colorado Desert Colorado Desert Comment
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Mar 11 2008
  UC33595  Lotus rigidus H. M. Hall 1902-4-12 2841 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  UCR1421  Lotus rigidus Frank C. Vasek 1960-3-24 600324- 30 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  RSA0025520  Lotus rigidus John F. Emmel 1986-4-12 995 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  JOTR31772  Lotus salsuginosus var. brevivexillus Andre, Jim, Tasha La Doux 2009-3-10 11239 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  UCR187500  Lotus scoparius subsp. brevialatus Theresa Johnson 2006-5-11 098 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  RSA778223  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 776 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR103991  Lotus strigosus George K. Helmkamp 1998-4-3 3086 Riverside Sonoran (Colorado) Desert, West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. north of Tamarack Rd on Cottonwood Rd. 1280 Comment
  UCR154744  Lotus strigosus T. B. Salvato, Kent Beaman 2005-5-16 785 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
  UCR251989  Lotus strigosus A. C. Sanders, T. B. Salvato 2014-7-2 41164 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR214577  Lotus strigosus var. strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37858 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  SEINET10389800  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  POM259965  Lotus tomentellus P. A. Munz 1940-3-23 15722 Riverside north end of Pinto Basin 610 Comment
  RSA85585  Lotus wrangelianus J. C. Roos 1952-4-9 5478 Riverside Fairmount Park 259 Comment
  UCR199721  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  RSA356739  Lupinus agardhianus R. F. Thorne 1973-5-23 45531 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  UCR151390  Lupinus albifrons var. albifrons Scott D. White 2000-5-3 7761 Riverside Peninsular Ranges; Palomar Mountains region, Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly south of 'Red Hawk' subdivision 396 Comment
  RSA414450  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM46817  Lupinus arizonicus Mary F. Spencer 1920-3-12 1493 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA800196  Lupinus arizonicus Robert F. Thorne 1963-3-29 32404 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SD185221  Lupinus arizonicus John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3.0 miles east of Desert Beach. 24 Comment
  SEINET6180890  Lupinus arizonicus David B. Dunn 1946-3-16 2060 Riverside Collected on dry plateau 1/2 mile Northeast of Pushawalla Palms (Springs). Indio Hills.; 0 Comment
  UCR89561  Lupinus arizonicus George K. Helmkamp 1994-3-10 42- 08 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
  JEPS29311  Lupinus bicolor Rimo Bacigalupi and L. Heckard 1962-3-25 8406 Riverside 3.3 mi nw Alberhill (on w-facing hillslope near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from w)); western base of Estelle Mountain, Temescal Wash and Cyn 335 Comment
  RSA776232  Lupinus bicolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 872 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  SEINET3101908  Lupinus bicolor Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17378 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  UCR126385  Lupinus bicolor A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 695 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SEINET4035698  Lupinus bicolor var. microphyllus O. M. Clark 1929-1 113 Riverside South Cabazon, southern California. Comment
  RSA395902  Lupinus concinnus subsp. concinnus Steve D. Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  HSC84137  Lupinus densiflorus Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtn., 1 mi. up Bee Canyon off Hwy. 74 457 Comment
  RSA501070  Lupinus densiflorus var. lacteus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3188 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  UC213289  Lupinus excubitus I. M. Johnston 1918-4-27 1869 Riverside near Elsinore; near Elsinore 396 Comment
  UCR100820  Lupinus excubitus G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  CAS-BOT-BC216696  Lupinus excubitus var. excubitus P. C. Everett 1935-6-18 7182 Riverside 1 mile from Ortega Highway, Main Divide Motorway to Santiago Peak, Santa Ana Mountains 731 Comment
  UCR89570  Lupinus formosus G. P. Schultz 1994-4-21 s.n. Riverside Box Springs Mountains, Pigeon Pass Road, c. 1 - 1.5 mi. above the dump. Comment
  UCR176927  Lupinus hirsutissimus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1103 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR41701  Lupinus hirsutissimus George K. Helmkamp 1986-4-7 755 Riverside Sonoran (Colorado) Desert, S of Morongo Valley. First canyon east of and parallel to Hwy 62 north of Indian Ave. 579 Comment
  CHSC108883  Lupinus sparsiflorus Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald, L. Reccia 2010-4-13 4858 Riverside Transverse Ranges; San Bernardino Mountains region: 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 N34.01235 and W116.68712. 915 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
  SD152847  Lupinus truncatus Steve Boyd 1992-4-15 6861 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail. 334 Comment
  UC1506125  Lupinus truncatus R. T. Clausen 1963-4-25 63071 Riverside on ridge s Red Mt. (upper Lewis Valley unit 98); ridge s of Red Mt., upper Lewis Valley unit 98 960 Comment
  UCR213445  Lupinus truncatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37804 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
  CAS-BOT-BC231414  Lycium andersonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9552 Riverside Cottonwood Springs Canyon Comment
  CHSC1919  Lycium andersonii M. Anthony 1954-4-15 Riverside So. of Joshua National Monument, near Hiway 60. Comment
  CLARK-A1045-144  Lycium andersonii George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  UCR178576  Lycium andersonii R. G. Swinney 1967-2-11 0026 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA428846  Lycium cooperi Christopher Davidson 1973-4-19 1985 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  RSA708240  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  CAS-BOT-BC8104  Machaeranthera canescens var. ziegleri Louis B. Ziegler 1968-9-30 s.n. Riverside North slope of Santa Rosa Mts. 2286 Comment
  CLARK-A1656-618  Machaeranthera cognata Lois Ann Scott 1978-4-12 Riverside Mecca 91 Comment
  RSA776297  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Amanda Turek 2010-4-10 827 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR41550  Machaeranthera tortifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6091 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM232417B  Mahonia nevinii Fulmor 1932-9-8 s.n. Riverside On left side of road from Temecula to Oak Grove, San Diego Co., Calif. (about half a mile east of Dripping Springs). Comment
  CSUSB1446  Malacothamnus fasciculatus Dean Jones 1966-2-25 Riverside Along creek a few a hundred yards past the road, in canyon, south of Stone Face, in Riverside. 365 Comment
  POM98395  Malacothamnus fasciculatus P. A. Munz 1925-5-20 9865 Riverside near Corona 427 Comment
  RSA543884  Malacothrix clevelandii Steve Boyd, David E. Bramlet 1991-5-13 6246 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  UC33276  Malacothrix clevelandii H. M. Hall June 1901 2087 Riverside exposed s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  POM14093  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-14 4984 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM14298  Malacothrix glabrata P. A. Munz, D. D. Keck 1922-4-9 4817 Riverside Southern base of Eagle Mountains, 3 miles northeast of the 'Hayfields' 213 Comment
  RSA778241  Malacothrix glabrata Duncan S. Bell 2009-3-8 46 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC831115  Malacothrix glabrata Lewis S. Rose 1937-4-9 37089 Riverside Banning 706 Comment
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Mar 13 2011
  RSA764877  Malvella leprosa Justin M. Wood 2010-9-8 2596 Riverside Beaumont Badlands: San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  SEINET10732075  Mammillaria microcarpa Betty Venrick 1962-1 Riverside Comment
  JEPS42466  Marah macrocarpa W. G. Wright 1892-1 Riverside Palm Springs Colorado Desert Comment
  RSA441206  Marah macrocarpa Ora M. Clark 1929-2-23 1534 Riverside Cabazon, Colorado Desert Comment
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Mar 13 2011
  JOTR29085  Marina parryi La Doux, Tasha 2005-3-30 1202 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA779802  Marina parryi Duncan S. Bell 2009-3-9 101 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
  UC990935  Marina parryi D. F. Howe 1952-4-28 Riverside 4 mi e Desert Center Comment
  UCR244922  Marina parryi Jim Andre 2012-3-19 21371 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  IRVC14142  Marsilea vestita B. T. Gittins 1966-5-1 1259 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  UCR20966  Marsilea vestita A. C. Sanders, Steve Boyd 1980-5-19 1479 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  RSA524225  Meconella denticulata Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4019 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR37678  Medicago sativa George K. Helmkamp 1984-5-2 D- 01 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA342044  Melica frutescens R. F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54084 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SD144118  Melica imperfecta Scott D. White 1997-5-25 5235 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing 975 Comment
  UCR158260  Melica imperfecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30122 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
  JOTR31141  Menodora scoparia La Doux, Tasha 2009-6-3 1852 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCR9107  Mentha X piperita O. F. Clarke 1969-9-28 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce Street 305 Comment
  POM182471  Mentha aquatica Joseph A. Ewan 1931-10-3 8212 Riverside Santa Ana River 4 mi NW of Corona. Comment
  RSA381081  Mentha spicata Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61180 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  RSA781389  Mentzelia affinis Duncan S. Bell 2010-5-1 908 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  RSA0123351  Mentzelia albicaulis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9053 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
  UCR18120  Mentzelia albicaulis A. C. Sanders 1978-4-2 00413 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UCR25032  Mentzelia congesta A. C. Sanders 1980-7-18 1631 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CLARK-A1656-879  Mentzelia involucrata Lois Ann Scott 1977-12-2 Riverside Big Morongo Canyon Comment
  RSA698075  Mentzelia involucrata J. R. Bruff 1928-4-2 s.n. Riverside Whitewater-at cork of 29 Palms road. Comment
  UCR215003  Mentzelia involucrata T. B. Salvato 2010-4-20 4068 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  POM14021  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4908 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UCR29622  Mentzelia lindleyi Don Emery 1983-3-11 s.n. Riverside Peninsular Range, Aguanga, 1 mi north of Hwy. 79 at a point 1 mi west of its jct with Hwy 371. Comment
  UC499863  Mentzelia longiloba Roxana S. Ferris and R. Bacigalupi 1932-4-30 8240 Riverside Between Blythe and Desert Center (along Highway.) Comment
  UC665898  Mentzelia longiloba Ira L. Wiggins 1941-3-26 9667 Riverside 1/2 mi s Highway #60 (on desert road to Wiley Well.) Comment
  RSA654612  Mentzelia veatchiana Bruce Albert 1982-4-17 78 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  RSA772122  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4833 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA601792  Mesembryanthemum nodiflorum D. E. Bramlet 1997-3-13 2496 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  RSA543587  Micropus californicus Steve Boyd, Laurel Arnseth, Orlando Mistretta 1991-5-6 6139 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  CAS-BOT-BC226249  Microseris douglasii subsp. douglasii A. C. Sanders; T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range: Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  RSA544397  Microseris douglasii subsp. douglasii Steve Boyd 1991-5-30 6324 Riverside Perris Valley, saline soil along San Jacinto River at crossing of I-215, 2 mi E of Perris Comment
  RSA660502  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  SEINET13276737 Image available Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-1 315 -27 Riverside Paloma Valley: Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. (Murrieta 7.5' Q.) 450 Comment
  RSA655093  Microseris heterocarpa Scott D. White 2000-4-17 7655 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UCR281220  Microseris heterocarpa Mitch Provance, Jeremiah George 2017-3-23 317- 41 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  POM10247  Microseris lindleyi Charlotte M. Wilder 1904-4-23 114 Riverside Jurupa Hills near Riverside. Comment
  POM13138  Microseris lindleyi P. A. Munz, I. M. Johnston 1922-5-20 5456 Riverside Pipe Creek, Hemet Valley 1418 Comment
  UCR108855  Microseris lindleyi Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR121185  Microseris lindleyi D. E. Bramlet 1989-4-7 1814 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, south of Lake Skinner, 4700 ft. west of Old Warren Rd. and 1700 ft. south of the E-W access road 488 Comment
  RSA0018776  Mimetanthe pilosa J. D. Olmsted 1959-6-23 653 Riverside May Valley Truck Trail at first fully crossing SE of S ridge crest, SE of Idyllwild. 1707 Comment
  OBI8385  Mimulus aurantiacus var. pubescens David J. Keil, Malcolm Mcleod 1977-3-26 12024 Riverside 0.7 mi W of jctn with Riverside Co. rd R-3 (to Hemet) along Calif Rte 79 549 Comment
  UCR15998  Mimulus aurantiacus var. pubescens K. T. Seng 1966-3-27 660327- 6 Riverside 0.5 miles north corner of Wood and Roberts, about 4 miles from freeway 395, Woodcrest, Riverside 488 Comment
  UCR193984  Mimulus aurantiacus var. pubescens A. C. Sanders 2008-7-25 35909 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  RSA535470  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6645 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
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  JEPS86903  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 824 Riverside 7.3 mi from I-10 interchange (along Box Canyon road to Mecca, n side of road about 100 yards above the road); Shavers Well vicinity 280 Comment
  RSA420949  Mimulus bigelovii var. bigelovii Howard Mullins 1931-4-26 s.n. Riverside Mecca Comment
  RSA649248  Mimulus bigelovii var. bigelovii Sears 1978-3-18 937 b Riverside Corn Springs Wash at Corn Spring, 7 mi. SE of Desert Center. 563 Comment
  UCR26963  Mimulus clevelandii E. W. Lathrop 1966-5-29 6390 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR137182  Mimulus diffusus Victor Duran 1932-5-18 3220 Riverside San Jacinto Mtns., Idyllwild 1677 Comment
  RSA296183  Mimulus floribundus Barry A. Prigge 1980-8-5 3821 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR241222  Mimulus floribundus Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 520 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR116890  Mimulus guttatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24200 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR67357  Mimulus palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4007 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  JOTR16849  Mimulus pilosus Moore, Sue 1968-6-19 s.n. Riverside Joshua Tree National Park. BARKER DAM 1280 Comment
  JOTR32389  Mimulus pilosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2493 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR102757  Mirabilis bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3579 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
  UCR104012  Mirabilis bigelovii George K. Helmkamp 1998-4-4 3131 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  SDSU13049  Mirabilis laevis var. crassifolia Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998E Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, then ca. 300 feet N.E., heading down to creedbed, north side of road. 256 Comment
  SEINET244862  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands; Hills and canyones west of Laborde Canyon, 1 miles northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  UC917853  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona Comment
  POM9007  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-3-20 3400 Riverside 5 miles S of Corona 305 Comment
  RSA0027989  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 63 Riverside Flat field south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  SEINET3161593  Mirabilis laevis var. retrorsa N. H. Holmgren, P. K. Holmgren 1974-3-23 7475 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UCR245899  Mirabilis laevis var. retrorsa R. F. Thorne 1995-3-29 63007 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UC1719519  Mirabilis laevis var. villosa D. Atwood 1993-3-26 17669 a Riverside Santa Ana Mts., 1.5 mi. S. of Lake Elsinore, along Hwy 74. 670 Comment
  RSA782035  Mollugo cerviana Duncan S. Bell 2011-10-22 2978 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA0010770  Mollugo verticillata Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6342 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UC1563131  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3603 Riverside Vail Lake area, Kolb Creek drainage, around N extension of Woodchuck Road, north of Hwy. 79 487 Comment
  VVC1939  Monardella breweri subsp. lanceolata Tim Thomas, C. Sanders 2008-6-24 4526 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  RSA282906  Monardella lanceolata var. lanceolata C. W. Tilforth, John Dourley 1980-8-15 2066 Riverside Off Hwy 74 on north leg og Thomas Mtn Road, south of Lake Hemet, west of Hwy 74. Comment
  RSA401588C  Monardella lanceolata var. lanceolata M. M. Thompson 1947-6-9 C- 2079 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SDSU7373  Monardella nana R. Harvin 1962-7-28 37 Riverside 2286 Comment
  UC1499874  Monardella nana Elizabeth McClintock 1940-7-21 29 Riverside Santa Rosa Springs Santa Rosa Mt. road Comment
  UC2035999  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  UCR35324  Monardella nana L. B. Ziegler 1967-6-27 183 Riverside San Jacinto Mtns, Hemet Valley 1494 Comment
  RSA0139146  Monardella nana Sarah J. De Groot, Robert K. Lauri 2005-7-7 5115 Riverside San Jacinto Mountains: Along 4S02 between Highway 243 and Dark Canyon Campground; fairly near campground. 1646 Comment
  RSA750400  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 9 Riverside 2.25 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  RSA750293  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Black Mt. 2 miles beyond the snow gate. Comment
  UCR221466  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of the sawmill at Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  CAS-BOT-BC349806  Monoptilon bellioides S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  JOTR36449  Monoptilon bellioides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3419 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR114120  Monoptilon bellioides B. G. Pitzer, J. Ross 1998-3-8 3619 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  CAS-BOT-BC349809  Monoptilon bellioides L. R. Abrams 1926-3-26 11031 Riverside Palm Springs Comment
  SEINET10801000  Monoptilon bellioides David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3718 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR82767  Muhlenbergia californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15784 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  CAS-BOT-BC275296  Muhlenbergia microsperma Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13241 Riverside In wash rrising in Big Maria Mountains, Highway US 95, 11.3 miles N of Blythe Comment
  RSA0018893  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR20871  Muhlenbergia microsperma Steve Boyd 1980-5-14 s.n. Riverside Perris Basin, Motte Reserve, in the rocky hills 2.5 mi NW of Perris 518 Comment
  UCR260952  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  RSA337843  Muhlenbergia porteri R. F. Thorne 1979-8-22 53575 Riverside Joshua Tree National Monument: Hidden Valley; Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  RSA561420  Muhlenbergia rigens Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-9-9 7689 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
  RSA599097  Muhlenbergia rigens V. W. Steinmann, D. L. Banks 1996-4-20 847 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, just north of the water treatment facility along the trail to the summer cottage. 450 Comment
  HSC78733  Muilla maritima A. C. Sanders, T. Glenn 1983-4-17 3731 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UCR209389  Muilla maritima Fred M. Roberts, Brenda McMillan 1998-3-31 5101 Riverside Paloma Valley, vicinity of Murreta, Ferndale Lane on hill top, 1.4 km southwest of the intersection of Briggs Road and Scott Road 480 Comment
  UCR280981  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 82 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  RSA357786  Nama demissa Robert F. Thorne, M. Z. Thorne 1973-3-30 42678 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA421107  Nama demissa Chas. Gabriel 1926-2-20 238 Riverside Rincon [R. Village, Andreas Canyon] Comment
  RSA718304  Nama demissa Michael Honer, L. Hulse 2004-4-2 1886 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UC702046  Nama demissa var. demissa Harlan Lewis 1946-4-21 105 Riverside Whitewater Canyon Comment
  UC724376  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  SD239780  Nama hispida var. spathulata David Silverman, Onkar Singh 2010-3-27 7856 Riverside McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & ca. 7.6 km N of Blythe Airport. 135 Comment
  CAS-BOT-BC219362  Nama stenocarpa A. C. Sanders; Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA595272  Nassella lepida D. L. Banks, Victor Steinmann 1996-4-20 900 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 512 Comment
  RSA356635  Navarretia hamata W. A. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; desiccated bed of vernal pools near N end of Mesa 610 Comment
  RSA787334  Navarretia hamata R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49558 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  SD90510  Navarretia prostrata Robert F. Thorne, Earl Lathrop 1969-5-12 37929 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California. 625 Comment
  UCSB13098  Nemacaulis denudata var. gracilis Dearing, Hugh; Dearing, Margaret 1942-2-3 Riverside Colorado Desert, Cathedral City Comment
  SEINET10458387  Nemacladus longiflorus Hall 1898-6-28 Hall 960 Riverside Strawberry Valley 1829 Comment
  POM122480  Nemacladus longiflorus var. longiflorus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UC29166  Nemacladus longiflorus var. longiflorus H. M. Hall 1898-6-28 960 Riverside Strawberry Valley; San Jacinto Mts. 1828 Comment
  RSA747139  Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30061 Riverside 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 457 Comment
  UCR25922  Nemacladus ramosissimus John C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  PASA307  Nemacladus rigidus Frank W. Peirson 1928-4-24 Riverside Cottonwood Spring, 1/2 mile below spring in broad sandy wash Comment
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Jun 24 2016
  JEPS22315  Nemacladus sigmoideus Peter H. Raven 1958-5-5 12890 Riverside just w Split Rock (along road); Joshua Tree National Monument Comment
  RSA0120629  Nemacladus tenuis var. aliformis Duncan S. Bell, Thomas Stoughton 2016-3-16 8951 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  RSA262102  Nemophila menziesii var. integrifolia E. W. Lathrop 1971-3-24 7481 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SEINET7063430  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on East Benton Road. UTM Zone 11, 499198mE, 3715007mN. (WGS84/NAD83). 549 Comment
  UC575068  Nicolletia occidentalis C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Well; Little San Bernardino Mts. Comment
  UCR133427  Nicotiana attenuata Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 463 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA180347  Nicotiana bigelovii var. wallacei E. W. Lathrop 1965-5-7 5712 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  JEPS12232  Nicotiana obtusifolia W. L. Jepson 1927-4-12 11651 Riverside Painted Canyon; Colorado Desert, Mecca Hills 76 Comment
  RSA659516  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  UC444935  Nicotiana quadrivalvis F. M. Reed 1905-9-25 247 Riverside Riverside Comment
  UC76178  Nicotiana quadrivalvis Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR199613  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR214685  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37671 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 366 Comment
  POM258905  Nolina bigelovii E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  RSA628244  Nolina bigelovii A. C. Sanders, G. K. Helmkamp, O. F. Clarke, B. Pitzer, et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mountains., near ''Bob's Cabin'', 5 mi. (air) S of Hayfield Pump Station, E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo. 610 Comment
  SBBG21993  Nolina parryi P. H. Raven 1959-5-18 14246 Riverside 0.9 mi S of Mountain Center on road to Aguanga Comment
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Jun 9 2012
  RSA85863  Notholaena californica subsp. californica F. W. Peirson 1922-5-21 3053 Riverside about 4 miles north of San Jacinto 457 Comment
  UC223684  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Between Elsinore and Corona Temescal Canyon 365 Comment
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Mar 4 2008
  POM9934  Notholaena californica subsp. californica F. W. Peirson 1920-2-15 s.n. Riverside Palm Springs, Tahquitz Camp. Comment
  SD137609  Nuttallanthus texanus Darin L. Banks 1995-5-3 265 Riverside Cleveland National Forest: N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along lower alluvial benches of Arroyo Seco 512 Comment
  CAS-BOT-BC171492  Oenothera californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riverside on Highway 60 Comment
  RSA614421  Oenothera californica subsp. californica D. L. Banks 1997-3-29 1554 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  LA206154  Oenothera deltoides A. M. Johnson; 1932-3-20 3903 Riverside Indian Wells, below Palm Springs Comment
  SEINET3005057  Oenothera deltoides G. Rink 2011-4-29 10495 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UC68573  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5756 Riverside Whitewater Colorado Desert 243 Comment
  POM121832  Oenothera laciniata M. French Gilman 1926-5-18 s.n. Riverside Banning. Comment
  RSA726578  Oenothera primiveris subsp. bufonis Naomi S. Fraga, Lisa Rojas 2005-2-10 1418 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA0102412  Oenothera refracta Lyman Benson, Robert Benson 1952-4-8 14851 Riverside 2 miles west of Shaver Summit east of Indio, U.S. 66. 609 Comment
  UCR112586  Olea europaea Mitch Provance, Seychelle Provance 1998-2-17 89 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
  RSA395358  Olea europaea Steve Boyd 1986-4-22 1739 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA6762779  Oligomeris linifolia Scott D. White 2001-4-3 8238 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA717444  Oligomeris linifolia Scott D. White, Pam De Vries 2006-3-14 11256 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  SD27990  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Colorado Desert. Chuckawalla Valley. 20 mi. west of Blythe on the Mecca Road 121 Comment
  CDA7545  Oncosiphon piluliferum J. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region; Southeast corner Markham Street and Day Street, Mead Valley area, 2-3 miles southwest of March Air Reserve Base. Comment
  RSA0039458  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  UCR228822  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-4-4 38975 Riverside Peninsular Range, Lake Elsinore, Hwy 74 (Riverside Dr.) at Baker St. 382 Comment
  UC403460  Opuntia echinocarpa P. A. Munz 1921-5-1 4487 Riverside near Pinon Wells (s edge of desert); Mojave Desert 1219 Comment
  RSA527149  Opuntia parryi Marc Baker, R. Johnson 1990-5-20 7839 Riverside southeast of Bernasconi Hills. 451 Comment
  RSA0114702  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  CAS-BOT-BC56226  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9458 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA6210  Opuntia polyacantha var. erinacea B. D. Stark 1932-09 4374 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
Read comments
Dec 11 2011
  POM59001  Opuntia vaseyi L. R. Abrams 1908-07 s.n. Riverside Elsinore. Comment
  RSA0042859  Orobanche cooperi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6262 Riverside Orocopia Mountains; southern/central section of range; approximately 0.75 air mile northwest of Gucci Spring. 483 Comment
  UCR31806  Orobanche cooperi Gerald Griffith 1982-3-11 s.n. Riverside Coachella Valley, citrus ranch near Mecca 0 Comment
  UCR9019  Orobanche cooperi K. K. Muller 1967-3-20 1383 Riverside Sonoran (Colorado) Desert, 17.5 mi north of Desert Center on road to Rice Comment
  RSA734945  Orobanche cooperi W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  UCR19404  Oxalis corniculata C. S. Papp 1963-6-10 269 Riverside Collector's backyard in Riverside [Papp residence] Comment
  RSA562478  Oxalis corniculata Steve Boyd, Tim S. Ross 1992-5-5 7258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  CSUSB852  Oxalis rubra William A. Hunt 1972-5-25 720525 1 Riverside City of Riverside; UCR campus, Picnic Hill 365 Comment
  POM263144  Oxytheca emarginata J. C. Roos 1941-5-10 126 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  JEPS58023  Oxytheca trilobata W. L. Jepson 1901-5-25 1434 Riverside Coyote Canyon Comment
  UC455212  Oxytheca trilobata I. J. Condit 1910-6-21 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  UC597638  Oxytheca trilobata Philip A. Munz 1937-5-31 15117 Riverside below Anza Tablet (at head of Coyote Canyon, sw Riverside County); Coyote Canyon 1005 Comment
  UCR16463  Paeonia californica David M. Peterson 1966-3-6 660306- 2 Riverside Santa Ana Mtns., San Juan Canyon between Lion Canyon and Long Canyon, near the Ortega Highway. 610 Comment
  OBI15593  Palafoxia arida Lewis S. Rose 1959-1-8 59002 Riverside La Quinta 15 Comment
  RSA796476  Palafoxia arida Duncan S. Bell 2009-4-18 204 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
  SEINET10799060  Palafoxia arida David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2887 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  JEPS20307  Palafoxia arida var. arida Lewis S. Rose 1957-1-3 57009 Riverside La Quinta 15 Comment
  POM363756  Palafoxia arida var. arida N. C. Cooper 1949-4-8 3244 Riverside Mecca Pass east of Indio. 549 Comment
  POM54709  Palafoxia arida var. arida H. M. Hall 1902-04 2768 Riverside Coyote canyon 152 Comment
  UC1537047  Palafoxia arida var. arida Gordon H. True 1938-3-15 976 Riverside e Indio (near Kane Springs) 3 Comment
Read comments
Feb 24 2013
  RSA678977  Panicum acuminatum var. acuminatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CLARK-A1528-80  Panicum capillare var. occidentale John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  CLARK-A1045-224  Panicum urvilleanum George K. Helmkamp 1978-4-1 Riverside Coachella Valley .5 miles south of Interstate highway 10; sandy slope along Bob Hope Drive; Cathedral City 7.5'Q Comment
  UCR265196  Panicum urvilleanum David Fraker, Aaron C. Sedgwick 2012-5-8 93 Riverside Sonoran (Colorado) Desert, south of Hwy 111 along dunes at base of the San Jacinto Mtns. 375 Comment
  UCR1556  Parietaria hespera var. californica David L. Davis 1962-4-15 27 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  POM14163  Parietaria hespera var. hespera Philip A. Munz, D. D. Keck 1922-4-9 4783 Riverside Vicinity of Corn Springs, Chuckwalla Mountain, Colorado Desert. 457 Comment
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Apr 5 2011
  SBBG68550  Parkinsonia florida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR115140  Parkinsonia florida Mitch Provance 2000-10-28 2270 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCSB17563  Parkinsonia florida Gerhart, Janet 1963-4-6 Riverside 3.8 mi. south of U.S. Highway 60-70 on mine road, 10.7 mi. east of intersection of State Highway 195 396 Comment
  UCSB18152  Parkinsonia florida Easley, Bill 1964-5-10 Riverside State Highway 71, 4.1 miles S of Palm Desert 304 Comment
  RSA192081  Paspalum dilatatum E. W. Lathrop 1965-9-22 6022 Riverside 8 miles west of Murrieta. Comment
  RSA667027  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  UCD88694  Paspalum notatum Leslie L. Ede 1972-8-1 s.n. Riverside Blythe. Comment
  UCR242714  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  POM36803  Pectocarya heterocarpa P. A. Munz 1932-3-14 11993 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM8540  Pectocarya heterocarpa Mary F. Spencer 1920-4-9 115 Riverside In desert sand. Palm Springs. 122 Comment
  SBBG92929  Pectocarya heterocarpa D. Charlton 1988-2-18 1147 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  SD28017  Pectocarya heterocarpa Carl B. Wolf 1932-4-27 3041 Riverside Colorado Desert, Mecca to Blythe Road, 3/4 mile west of Utopia 149 Comment
  SDSU13374  Pectocarya linearis subsp. ferocula Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-2 14 Riverside Santa Margarita Ecological Reserve (SDSU). 200 m west from the Northside Field Station. 366 Comment
  POM6648  Pectocarya penicillata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2387 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  UC1114562  Pectocarya penicillata Peter H. Raven 1958-3-15 11838 Riverside Box Canyon Comment
  UCR213612  Pectocarya penicillata A. C. Sanders, Matthew Malle 2010-4-23 38004 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR215507  Pectocarya penicillata Daphne K. Christopher, Hannah I. Stevens 2003-4-3 079 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR228914  Pectocarya penicillata A. C. Sanders 2011-4-7 39029 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR88558  Pectocarya penicillata A. C. Sanders 1995-4-13 16506 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  JOTR33868  Pectocarya platycarpa La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3054 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  OBI38914  Pectocarya platycarpa A. C. Sanders, B. Pitzer, D. Charlton, & Kniffen, Kniffen 1986-3-3 6123 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  RSA703402  Pectocarya platycarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  POM305611  Pectocarya recurvata Henry J. Ramsey, Henry J. Ramsey 1937-2-26 906 Riverside Whitewater. Comment
  UCR250198  Pectocarya recurvata A. C. Sanders 2014-4-23 41043 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  UCSB6136  Pedicularis densiflora Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon 853 Comment
  UCR170119  Pellaea andromedifolia Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 121 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  CAS-BOT-BC71399  Pellaea mucronata Peter H. Raven 1958-5-17 12932 Riverside 3/4 miles SE of Banning on road to Idyllwild, San Jacinto Mts. Comment
  JOTR30831  Pellaea mucronata var. californica Andre, Jim, Tasha La Doux 2008-9-16 10703 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
  JOTR34126  Pellaea mucronata var. mucronata Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  POM120718  Pellaea mucronata var. mucronata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA747986  Pennisetum setaceum Scott D. White, Justin M. Wood 2009-4-29 12619 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SD233251  Pennisetum setaceum Duncan S. Bell, John Anderson & Keir Morse 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx. 0.6 air mile SE of Hidden Spring and 0.6 air mile S of The Grotto. 249 Comment
  UCR83331  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  CAS-BOT-BC266692  Penstemon californicus Philip A. Munz 1937-5-31 15122 Riverside Kenworthy, S end of San Jacinto Mountains 1371 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
  NY601197  Penstemon clevelandii var. mohavensis E. C. Jaeger 1923-5-20 s.n. Riverside Keyes Ranch, Little San Bernardino Mountains, near San Bernardino County line. Comment
  RSA90125  Penstemon grinnellii E. K. Balls, Percy C. Everett 1953-8-19 18540 Riverside Yellow Pine Forest Community; Mountain Home Springs, Santa Rosa MT. 1921 Comment
  JOTR16854  Penstemon incertus Walters, Jim 1967-6-4 s.n. Riverside Joshua Tree National Park. 1/2 MILE WEST OF HIDDEN VALLEY CAMPGROUND 1219 Comment
  POM12228  Penstemon labrosus Mary F. Spencer 1921-7-11 658 Riverside Idyllwild. 1829 Comment
  UCSB26814  Penstemon labrosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  NY650665  Penstemon rostriflorus F. W. Pennell 1940-4-28 25286 Riverside Route 74, Santa Rosa Indian Reservation 1402.1 Comment
  UCR35235  Penstemon spectabilis L. B. Ziegler 1972-5-9 454 Riverside San Jacinto Mtns, San Jacinto Valley 473 Comment
  RSA33815  Penstemon spectabilis subsp. subviscosus N. C. Cooper 1944-5-6 1219 Riverside Banning. 610 Comment
  RSA619535  Penstemon spectabilis var. spectabilis D. L. Banks 1997-5-5 1984 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
  UCR107835  Penstemon spectabilis var. spectabilis D. L. Banks 1997-5-5 1984 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR268278  Penstemon spectabilis var. subviscosus Jim Andre 2012-6-15 30503 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
  CAS-BOT-BC330345  Pentachaeta aurea F. W. Peirson 1922-5-19 3037 Riverside Road along San Jacinto River, San Jacinto Mts. 1143 Comment
  JEPS21332  Pentachaeta aurea Carl V. Meyer June, 1927 184 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  RSA0085021  Pentagramma maxonii A. Lefebure 1942-03 s.n. Riverside Tahquitz Canyon, near Palm Springs. Comment
  CAS-BOT-BC71579  Pentagramma triangularis subsp. maxonii Larry Kiefer 1963-3-24 483 Riverside Andreas Canyon 365 Comment
  UCD116267  Peritoma arborea J. Law 1923-3-26 243 Riverside Tahquitz Wash, near Palm Springs. Comment
  CAS-BOT-BC77493  Peritoma arborea var. angustata H. M. Hall 1905-4-1 5993 Riverside Near Indio 60 Comment
  OBI26015  Perityle emoryi David J. Keil 1977-1-2 11930 Riverside Cactus City rest Area along I-10 E of Indio Comment
  POM7074  Perityle emoryi P. A. Munz 1919-5-7 2779 Riverside Tahquitz Canyon 244 Comment
  RSA471854  Perityle emoryi Robert Gustafson, Gary D. Wallace 1982-5-19 2564 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  UC1478692  Perityle emoryi Barry Prigge with L. Martinez 1978-3-23 2415 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads); nw Colorado Desert 335 Comment
  UCR20759  Perityle emoryi A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1308 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
  UCSB9815  Perityle emoryi Graney, Don 1953-3-21 Riverside 11 miles east of Indio, Colorado Desert Comment
  SBBG81107  Persicaria lapathifolia S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  RSA445167  Petalonyx thurberi N. C. Cooper 1944-5-20 2631 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  SBBG45342  Petalonyx thurberi subsp. thurberi M. A. Piehl 1963-9-18 63840 Riverside near US 60, 70, 7.5 mi W of jct with Joshua Tree Mon Rd 373 Comment
  SBBG69395  Petalonyx thurberi subsp. thurberi M. D. Clary 1928-7-4 515 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  RSA425012  Petunia parviflora J. C. Roos 1952-5-28 5728 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
  RSA0031549  Peucephyllum schottii Duncan S. Bell 2013-1-30 4439 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  SEINET7907970  Phacelia D. A. Johnson 2005-1 Riverside Between Coachella and S entrance to Joshua Tree Nat'l Park, S of Interstate 10. 914 Comment
  RSA124330  Phacelia ambigua Percy C. Everett, E. K. Balls 1958-4-29 23011 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  POM18745  Phacelia brachyloba P. A. Munz 1923-6-14 7087 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
  UCR138760  Phacelia brachyloba Scott D. White 1997-5-18 5169 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  RSA0055045  Phacelia campanularia James R. Shevock 1971-5-8 1032 Riverside Joshua Tree Nat'l. Mon., So. entrance, Cottonwood Cyn. 457 Comment
  HSC13694  Phacelia campanularia subsp. vasiformis C. L. Hitchcock, C. V. Muhlick 1964-3-22 23245 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  RSA27807  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA0105051  Phacelia cicutaria var. hispida Daphne K. Christopher, Hannah Stevens 2003-4-4 96 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  SEINET3158091  Phacelia circinata F. M. Reed 1908-7-11 2505 Riverside San Jacinto Mts., trail to summit above Round Valley. 2957 Comment
  CSUSB137  Phacelia crenulata R. A. Clark 1966-3-5 3566 6 Riverside 5 miles east of Mecca, Ca., on State Highway 195, on man-made dike. -57 Comment
  CSUSB136  Phacelia crenulata var. ambigua D. T. Wright 1966-3-5 Riverside 2 miles south of Palm Desert, at mouth of Deep Canyon. Comment
  JEPS4095  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside alluvial slopes 3 1/2 mi e Coachella Comment
  JOTR31856  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2113 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA0043223  Phacelia crenulata var. ambigua Duncan S. Bell 2009-3-7 18 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA727871  Phacelia crenulata var. ambigua Naomi S. Fraga, Lisa Rojas 2005-2-10 1361 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC881060  Phacelia crenulata var. ambigua Aven Nelson and Ruth A. Nelson 1939-3-29 3332 Riverside near Hidden Springs (near Mecca) Comment
  UCSB46537  Phacelia crenulata var. crenulata Watts, Lisa 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 Comment
  UCR30056  Phacelia cryptantha A. C. Sanders 1983-4-9 3719 Riverside Little San Bernardino Mountains, Morongo Wash, c. 2 mi south of San Bernardino County Line, just east of Hwy. 62, at the foot of the Little San Bernardino Mountains, and 12 mi NNW of Palm Springs 549 Comment
  CHSC109015  Phacelia distans Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4408 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.94127, W116.64118 and N33.94722, W116.64305. 488 Comment
  JEPS2376  Phacelia distans W. L. Jepson 1927-4-12 11672 Riverside Mecca Painted Canyon 76 Comment
  UC1287093  Phacelia distans C. L. Hitchcock 1966-3-16 24203 Riverside along Palms to Pines Hwy 7 mi s Palm Desert Comment
  UC1537521  Phacelia distans Gordon H. True Jr. 1935-2-27 27 Riverside Box Springs 365 Comment
  UCR107788  Phacelia distans D. L. Banks 1997-5-5 1957 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  UCR174557  Phacelia distans Thi (Teresa) Bui, Jennifer H. Jones and Holly Summers 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR196366  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR243128  Phacelia distans Kate Kramer 2012-5-25 263 Riverside Along Highway 243, between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  SDSU18779  Phacelia minor C. Matt Guilliams 2008-2-13 453 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. 410 Comment
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  UCR111551  Phacelia minor Mitch Provance, J. Ross 1999-4-1 1730 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR21972  Phacelia minor Steve Boyd 1980-3-3 177 Riverside Gavilan Plateau, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR87625  Phacelia minor A. C. Sanders 1994-5-30 14601 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA0064523  Phacelia minor Gail Thompson 1970-3-16 B 28 Riverside 1 mi. south of Temecula on dirt road off Main Street. 457 Comment
  RSA0108816  Phacelia neglecta Duncan S. Bell, Amanda Turek 2009-3-30 188 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA428151  Phacelia parryi N. C. Cooper 1944-6-4 2020 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR112131  Phacelia parryi A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21757 Riverside Box Springs Mtns., Highgrove, mouth of Pigeon Pass Canyon at intersection of Pigeon Pass Rd. and Mt. Vernon Ave. 320 Comment
  LA205627  Phacelia ramosissima Elizabeth McClintock; 1941-5-19 9 Riverside rd to Santa Rosa Peak Comment
  UCR137359  Phacelia ramosissima John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR162053  Phacelia tanacetifolia T. B. Salvato 2003-4-15 175 Riverside Box Springs Mtns, University of California, Riverside. Road leading to Botanic Garden 396 Comment
  UCR174148  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32569 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
  SEINET10496510  Philibertia heterophylla Reed 1930-9-19 Reed 8105 Riverside Arroyo terguigiante. Comment
  POM229796  Phlox austromontana P. A. Munz 1937-5-30 15135 Riverside Santa Rosa Peak. 2226 Comment
  UC1595641  Phlox gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6190 Riverside on ridge between Bedford Canyon and McBribe Canyon (along the Bedford Truck Trail, lower flank of the Santa Ana Mountains); Santa Ana Mountains 548 Comment
  UCR121693  Phlox gracilis A. C. Sanders 2002-5-4 25043 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  RSA220378  Phoradendron californicum C. W. Tilforth, John Dourley 1971-6-14 344 Riverside Between Chiriaco Summit and Red Butte Wash, aong aqueeduct maintenance rd. 534 Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  UCR150012  Phoradendron macrophyllum Scott D. White, Angelia Carey 2004-4-16 10156 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC171152  Phoradendron serotinum subsp. tomentosum H. M. Hall 1901-7-1 2531 Riverside San Jacinto Mountains, southern California, wooded slopes and benches of teh S side 1615 Comment
  RSA304172  Physalis crassifolia James R. Shevock 1972-3-5 1361 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  UC26187  Physalis crassifolia S. B. Parish Apr 4 1896-Apr 13 1896 4131 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of San Jacinto Mt) 152 Comment
  UCD126797  Physalis crassifolia P. C. Everett; E. K. Balls 1958-4-29 23022 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 259 Comment
  UCR256722  Physalis crassifolia Duncan S. Bell 2011-12-30 3042 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  UCR31807  Physalis crassifolia Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  CAS-BOT-BC60805  Physaria tenella H. M. Hall 1905-4-24 5882 Riverside Colorado Desert. Salvation Springs. Comment
  OBI47598  Phytolacca americana Don Domenigoni 1986-4-21 s.n. Riverside Young Property, Hemet Comment
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  SD136370  Pinus contorta subsp. murrayana Carl B. Wolf 1932-8-5 Riverside summit of San Jacinto Peak, San Jacinto Mountains 3295 Comment
  RSA572085  Pinus flexilis L. C. Wheeler 1931-10-3 238 Riverside Among boulders on summit. Tahquitz Peak, San Jacinto Mts. 2691 Comment
  SD136361  Pinus flexilis Carl B. Wolf 1932-8-5 Riverside slopes of San Jacinto Peak, along trail above Round Valley 2925 Comment
  UC2015654  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak road, 0.7 mi. of Bonny Lane, sec.14. Comment
  UC64551  Pinus lambertiana H. M. Hall 1901-6-1 2320 Riverside near Tauquitz; San Jacinto Mountains 2682 Comment
  UCSB9245  Pinus monophylla Wilson, Richard 1958-5-18 Riverside At pinon Flats on State highway 74 Comment
  UCSB38389  Pinus pinea S. Austin 1969-10-10 Riverside UNIV. CALIF. RIVERSIDE Comment
  NY42657  Pinus quadrifolia J. B. Walker 1995-3-28 1289 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR23995  Piptatherum miliaceum John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  UCR270756  Piptatherum miliaceum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8369 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA282946  Piptatherum miliaceum C. W. Tilforth 1980-3-30 1933 Riverside East fence line of Swan Lake Mobile Home Park, north of Norco, Mira Loma Comment
  UCR88436  Pityrogramma triangularis A. C. Sanders, K. C. Rose 1995-4-5 16347 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR127343  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25847 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  SEINET7073313  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR20645  Plagiobothrys collinus var. californicus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR137697  Plagiobothrys collinus var. gracilis D. L. Banks, V. W. Steinmann 1997-3-13 1503 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  SD140151  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Western edge of Hemet, northeast corner of Myers and Devonshire Streets, just south of Tres Cerritos 459 Comment
  SDSU13316  Plantago erecta Shawn Johnston, Calif. Taxonomy Class spring 2000 2000-4-1 9 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR19085  Plantago erecta John C. Roos 1952-4-2 5461 Riverside Box Springs Mtns, Box Springs grade east of Riverside. 427 Comment
  UCR92096  Plantago erecta Scott D. White, M. Jacobsmeyer 1996-4-20 3948 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  UCR280834  Plantago lanceolata T. B. Salvato, Gregg Miller 2005-6-3 1372 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA796335  Plantago ovata Duncan S. Bell 2009-4-18 199 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
  JOTR35344  Plantago ovata var. fastigiata Harding, Mitzi, Mark Wheeler 2012-2-28 111 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  RSA402035  Plantago ovata var. fastigiata M. B. Dunkle 1932-3-25 2902 Riverside Near Cathedral Canyon 152 Comment
  SBBG35060  Plantago patagonica T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  CHSC35504  Platystemon californicus Jeanne Muro 1972-4-29 72 Riverside Ca. 4 mi. SW of Murrieta on Tenaja Rd. 655 Comment
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Nov 16 2011
  CLARK-A1528-1356  Platystemon californicus Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  UC146753  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  POM68795  Plectritis ciliosa subsp. insignis Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto. Comment
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Dec 9 2010
  JEPS70532  Pleuraphis rigida W. L. Jepson 1912-10-28 5241 Riverside in the wash near Riverside Mts.; along the Colorado River, near Riverside Mts. 45 Comment
  POM116974  Pleuraphis rigida Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA778422  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 94 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  SBBG14312  Pleuraphis rigida H. and M. Dearing 1936-12-25 Riverside Thousand Palms Comment
  CAS-BOT-BC326641  Pleurocoronis pluriseta D. E. Breedlove 1962-3-11 1887 Riverside Cat Creek Wash 3 miles southwest of Palm Desert 426 Comment
  JOTR35069  Pleurocoronis pluriseta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3521 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UC354432  Pleurocoronis pluriseta Edmund C. Jaeger 1925-12-12 Riverside near Palm Springs; Eagle Canyon 91 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
  POM4878  Pluchea odorata Geo R. Hall 1905-09 s.n. Riverside Riverside Comment
  CAS-BOT-BC414255  Pluchea odorata var. odorata R. E. Riefner, Jr. 2011-10-16 11 -143 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
  CLARK-A1528-280  Pluchea purpurascens Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  RSA164765  Pluchea sericea Brian C. Miller 1963-6-1 s.n. Riverside 1000 Palms Oasis 30 Comment
  UCR224463  Poa annua A. C. Sanders, T. B. Salvato 2011-3-28 38811 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR3215  Poa pratensis V. L. McFarland 1964-5-21 s.n. Riverside San Bernardino/ upper Santa Ana River Valley, Riverside, lawn of Faculty Club on UCR campus 335 Comment
  RSA0012656  Poa pratensis subsp. pratensis LeRoy Gross, Caitlin Elam 2013-5-14 6083 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
  RSA502899  Poa secunda Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCD90385  Poa secunda A. A. Beetle 1946-6-10 4394 Riverside San Jacinto Mt., San Jacinto Mts. 1219 Comment
  SDSU18665  Poa secunda subsp. secunda C. Matt Guilliams, Jeannine Ross 2008-3-5 494 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
  CAS-BOT-BC428030  Poaceae L. Nye; G. Gust 2005-3-11 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  UCR62864  Polygala cornuta var. fishiae Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  RSA33801  Polygonum aviculare subsp. aviculare N. C. Cooper 1943-9-10 920 Riverside Banning. 640 Comment
  SBBG132548  Polygonum aviculare subsp. depressum S. D. White, J. M. Wood 2008-6-16 12139 Riverside meadow at Quinn Flat, San Jacinto Mtns 1378 Comment
  UC454281  Polygonum bistortoides I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  SEINET269333  Polygonum lapathifolium Karen Kirtland 1993-6-19 Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles south of the San Jacinto Riv 430 Comment
  SEINET10522814  Polypogon interruptus David B. Dunn, A. Folsom 1948-6-17 Dunn 3798 Riverside At camp in Pushawalla canyon under palms. Comment
  CSUSB468  Polypogon monspeliensis Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  SEINET10893974  Polypogon monspeliensis Alan A. Beetle 1942-4-23 Beetle 3190 Riverside Rt. 95, banks of Colorado River among Tamarix gallica 32 miles north of Blythe Comment
  RSA575836  Polypogon viridis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at confluence of 'Estelle Creek' and Temescal Creek, just NW of entrenched meander of Temescal Creek at western base of Estelle Mountain. 317 Comment
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Oct 22 2011
  IRVC170  Polystichum imbricans subsp. curtum Debbi DeVault 1965-4-24 HS 556 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  UC729967  Populus Carl B. Wolf 1932-5-25 3661 Riverside mouth of East Fork of Snow Creek Canyon; No. Base of San Jacinto Mts., mouth E Fork Snow Cr Cyn 670 Comment
  RSA6114  Populus fremontii Carl B. Wolf 1932-5-25 3679 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  RSA775119  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5029 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
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May 22 2012
  CAS-BOT-BC356164  Porophyllum gracile Carl B. Wolf 1932-4-27 3052 Riverside Colorado Desert. 1 mi. off Mecca-Blythe Road. Lower end of Lost Palms Canyon at 1st. rocky hills 243 Comment
  VVC2105  Porophyllum gracile Tim Thomas 2012-8-23 5871 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  UCR35171  Potentilla norvegica L. B. Ziegler 1971-9-8 428 Riverside San Jacinto Mtns., Hemet Lake 1341 Comment
  UCR245068  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40408 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
  UCR116946  Proboscidea louisianica A. C. Sanders, D. Malueg 2001-5-17 24355 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  CSUSB1139  Prosopis glandulosa K. A. Lamb 1968-4-21 680421 2 Riverside 1 mile east of Mecca, Highway 195. Roadside, Alkali Sink. Comment
  LA47469  Prosopis glandulosa var. torreyana W. B. Welch; 1928-5-5 sn Riverside Painted Canyon, Colorado Desert Comment
  UCR85387  Prosopis pubescens A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15880 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  UCR17888  Prosopis velutina Steve Boyd 1978-8-30 133 A Riverside Peninsular Range, Pauba Valley. Hwy 79, 3.7 mi east of Interstate Hwy 15E. 335 Comment
  UCR270201  Prunus dulcis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42420 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  RSA0124030  Prunus fasciculata Duncan S. Bell, LeRoy Gross 2016-3-10 8889 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA212925  Prunus fremontii L. B. Ziegler 1969-4-6 s.n. Riverside Pinyon Flats southeast of San Jacinto Mts. 1524 Comment
  UCR418  Prunus ilicifolia Carol Chaney 1960-5-7 s.n. Riverside San Timoteo Canyon, 3.2 mi. from Hwy 60, 30 yards to the right of the road 701 Comment
  UC74008  Psathyrotes ramosissima Dr. R. J. Smith 1904-5-18 325 Riverside desert near White Water Comment
  CAS-BOT-BC356340  Psathyrotes ramosissima R. F. Hoover 1966-10-15 10159 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  UCR241841  Pseudognaphalium biolettii A. C. Sanders, Timothy W. Chumley 2013-4-2 40733 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA770784  Pseudognaphalium luteoalbum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4535 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM14280  Psilocarphus brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA737431  Psilocarphus brevissimus var. brevissimus Justin M. Wood 2008-8-31 125 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR18939  Psoralea californica John C. Roos 1941-5-10 125 Riverside Santa Rosa Mtns, Pinyon Flats Campground 1220 Comment
  CAS-BOT-BC353578  Psorothamnus arborescens var. simplicifolius Marian L. Campbell 1921-3-20 27 Riverside Palm Springs Comment
  CAS-BOT-BC353637  Psorothamnus emoryi E. A. McGregor 1917-3-19 717 a Riverside Indio Sands Comment
  RSA91375  Psorothamnus emoryi F. W. Peirson 1939-11-25 s.n. Riverside Foot of mountain near Painted Canyon. Comment
  SEINET12155979  Psorothamnus emoryi Unknown 1936-1 12803 Riverside Colorado Desert N of Palm Springs Comment
  CAS-BOT-BC340911  Psorothamnus schottii E. E. Schellenger 1911-4-24 s.n. Riverside Colorado Desert. South of Palm Springs Comment
  HSC99951  Psorothamnus schottii J. P. Smith, & J. O. Sawyer 2011-6-9 13182 Riverside Along Hwy. 74. 972 Comment
  RSA498755  Psorothamnus schottii Albert J. Perkins 1916-4-18 s.n. Riverside Near Palm Springs. Comment
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Aug 27 2011
  RSA98806  Psorothamnus schottii Philip A. Munz 1926-1-31 9946 Riverside Dos Palmos [Palmas] Spring. Comment
  SEINET3005064  Psorothamnus schottii G. Rink 2011-5-1 10502 Riverside North side of the Chuckawalla Mountains 365 Comment
  POM318854  Pterospora andromedea Patricia Wilder 1968-7-5 4325 Riverside Dogwood St. near Rimrock Dr., Idyllwild. San Jacinto Mt. Range, Strawberry-Little Tahquitz Creek Drainage. 1829 Comment
  RSA171395  Pterostegia drymarioides J. D. Olmsted 1962-5-2 3466 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  SBBG89257  Pterostegia drymarioides J. Adams 1966-4-28 729 Riverside dirt rd from Murrieta to De Luz, Santa Rosa Plateau 762 Comment
  SDSU13927  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR174454  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32631 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA666717  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside. 427 Comment
  RSA674755  Pulicaria paludosa Scott D. White 2001-6-29 8630 -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
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  CAS-BOT-BC156399  Purshia tridentata var. glandulosa Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  JOTR31163  Purshia tridentata var. glandulosa La Doux, Tasha 2009-6-3 1869 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  UCD47747  Quercus X acutidens D. Q. Cavagnaro 1963-9-17 85 Riverside State Highway 79, 11.5 miles west of Aguanga, Riverside County, California. 426 Comment
  UCR15350  Quercus X munzii Richard Minnich 1976-4-25 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Live Oak Tank 1311 Comment
  SD262287  Quercus agrifolia Tom Scott Apr 2011 2011 574 Riverside San Bernardino Mtns.: south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning. Rural / agricultural area. 863 Comment
  UC5484  Quercus agrifolia Samuel B. Parish 1891-11-3 2253 Riverside Murietta Comment
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Jul 15 2009
  UCR265066  Quercus agrifolia Mitch Provance, Jeremiah George 2012-8-4 812- 44 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  SDSU6972  Quercus agrifolia var. agrifolia Ruth Miller, James C. Dice 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. T8S, R3W, section 22. 111 Comment
  POM13780  Quercus berberidifolia P. A. Munz, I. M. Johnston 1922-5-5 5150 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  RSA747438  Quercus berberidifolia T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd. S of Lake Hemet, from Rt. 74. 1467 Comment
  SEINET7249070  Quercus berberidifolia Jeremiah George 2012-1 Riverside Comment
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Nov 18 2015
  UCR90742  Quercus berberidifolia Scott D. White 1995-4-5 2753 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR123795  Quercus chrysolepis var. nana Steven R. Hill, K. Kramer and family 2001-4-26 33471 Riverside San Jacinto Mtns., 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 2591 Comment
  CAS-BOT-BC86540  Quercus cornelius-mulleri Edmund C. Jaeger 1923-5-20 s.n. Riverside One mile S of Reyes Ranch 1280 Comment
  POM266353  Quercus cornelius-mulleri J. C. Roos 1942-5-1 1132 Riverside Morongo Canyon. Comment
  CLARK-A1528-530  Quercus dumosa C. M. Flanagan 1973-4-26 OO 304 Riverside Morongo Indian Reservation 914 Comment
  UC1135590  Quercus engelmannii R. St. John 1931-2-3 181 Riverside Santa Rosa Ranch, at extreme Head of Tenaja Canyon San Luis Rey Quad., Tenaja Canyon 640 Comment
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Nov 27 2011
  UCR262386  Quercus wislizeni Tom Scott 2011-1 2011- 573 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 6.1 miles up canyon 1470 Comment
  RSA651697  Quercus wislizeni var. frutescens Diane M. Ramirez 1983-5-1 34 Riverside Poppet Flat Divide Truck Trial, 1 mi S of junction with CA Hwy 243, S of Banning. Comment
  CAS-BOT-BC362518  Rafinesquia californica Ivan Johnston 1917-4-4 1075 Riverside Colorado Desert. Palm Canyon 304 Comment
  RSA0120465  Rafinesquia californica Duncan S. Bell 2016-4-16 9305 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR180107  Rafinesquia californica Mitch Provance 2003-4-26 9899 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA28078  Rafinesquia neomexicana I. L. Wiggins 1941-3-27 9688 Riverside Desert wash 9 miles west of Desert Center. Comment
  UC1929701  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10490 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA0130723  Rafinesquia neomexicana Glen Rink, K. Routsen 2013-3-19 11886 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  RSA180484  Ranunculus californicus E. W. Lathrop 1960-4-15 4754 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  SD186312  Ranunculus californicus Andy C. Sanders 2004-4-20 27558 Riverside Santa Ana Myns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line 640 Comment
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  UCR18915  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 610 Comment
  CAS-BOT-BC74228  Raphanus sativus T. Winfield 1975-5-3 s.n. Riverside Perris Dam - Base of Dam. Comment
  RSA1388  Rhamnus californica J. T. Howell 1928-7-9 395 Riverside Glen Ivy. Upper sonoran. 396 Comment
  UC1292574  Rhamnus crocea C. L. Hitchcock and C. V. Muhlick 1964-3-17 23094 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC1979345  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79. Comment
  CAS-BOT-BC56050  Rhamnus ilicifolia I. M. Johnston 1930-6-15 3790 Riverside Lost Palms Canyon, above Anschutz Well, Eagle Mts. Comment
  RSA0120131  Rhamnus ilicifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9271 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR113734  Rhamnus ilicifolia Mitch Provance 2000-5-5 2019 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  RSA221023  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 306 Comment
  UCR23410  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mtns. east of Riverside near Pigeon Pass 750 Comment
  RSA613893  Rhus lancea A. C. Sanders, P. Mackay, T. Thomas, G. Helmkamp 1997-2-8 19686 Riverside Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  RSA696477  Rhus ovata Anonymous s.n. Riverside San Gorgonia River Bridge near Cabazon. Comment
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Mar 13 2011
  UCR22015  Rhus ovata Steve Boyd 1980-9-16 354 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR230199  Rhus ovata A. C. Sanders 2011-4-6 38994 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
  UC1127367  Ribes amarum A. Lewis Mar 1934 351 Riverside Sugarloaf Peak Cleveland <National Forest>, Corona Quadrangle Comment
  UCR90388  Ribes amarum D. L. Banks, Steve Boyd 1995-2-16 0049 Riverside Peninsular Range; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area: N slope of Agua Tibia Mtn, south of the Dripping Springs Alcove, east of the Woodchuck Trail 829 Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  SDSU5892  Ribes cereum Charles F. Phleger 1962-5-13 Riverside Collected on road leading up to Black Mountain in the San Jacinto Mountains. Comment
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Feb 28 2013
  CAS-BOT-BC173134  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  RSA1173  Ribes indecorum B. D. Stark 1930-3-18 1487 c Riverside 1/2 way up west side of Mt San Jacinto. Comment
  SEINET3095399 Image available Ribes indecorum Wayne Miller 1972-4-14 720414 -2 Riverside Reche Canyon, 5 mi. from Barton Rd. turnoff on Reche Canyon Rd, by natural spring. Comment
  RSA96715  Ribes indecorum E. K. Balls 1954-4-26 19071 Riverside 1/2 way up W side Mt. San Jacinto Comment
  UC69248  Ribes lasianthum H. M. Hall 1897-3-20 401 Riverside Gavilan Mts. Comment
  SD229186  Ribes nevadense Dick Schwenkmeyer 2012-8-27 811 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  SD229187  Ribes nevadense Dick Schwenkmeyer 2012-6-27 753 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  CAS-BOT-BC212233  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside SW of Juniper Flat Rd. 579 Comment
  POM13059  Ribes roezlii E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mountains, Tacquitz Comment
  RSA171333  Ribes roezlii J. D. Olmsted 1962-5-3 3500 Riverside San Jacinto Mts, Rnear top fo Thomas Mt. 1951 Comment
  UCR26636  Ribes speciosum E. W. Lathrop 1966-3-23 s.n. Riverside Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  CAS-BOT-BC173857  Ribes velutinum Samuel B. Parish 1894-2-25 s.n. Riverside Reche [Canon] Canyon Comment
  RSA770318  Ricinus communis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4410 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA621468  Robinia pseudoacacia D. L. Banks, Elizabeth Hedge Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2169 Riverside NW Palomar Mountains, Agua Tibia Mountains: West of Vail lake at the intersection on Pauba Road and Los Caballos Road. 371 Comment
  RSA446204  Romneya coulteri Gale Sphon 1955-3-7 s.n. Riverside 3 miles east of Lake Elsinore. Comment
  UCR217508  Romneya coulteri Jeff B. Galvin 2008-5-15 46 Riverside Peninsular Ranges, Gavilan Plateau, Estelle Mountain. Steep slope of drainage emptying into Walker Canyon. ~ 680 m east of hwy 15 446 Comment
  CAS-BOT-BC300507  Rondeletia amoena O. F. Clarke 2003-5-1 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CLARK-A1528-5386  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Whitewater Comment
  CSUSB1438  Rorippa nasturtium-aquaticum Tom Luedtke 1970-5-2 7 Riverside Riverside; off Big springs road; 100 yards past railroad tracks; in water 365 Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UCR199648  Rorippa palustris subsp. occidentalis Justin M. Wood 2008-7-16 38 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  CAS-BOT-BC147538  Rosa californica Lathrop; Thorne 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  SBBG121983  Rosa californica S. D. White, A. Carey 2004-5-7 10334 Riverside Indian Crk and adjacent foothills 549 Comment
  UCR35160  Rubus parviflorus L. B. Ziegler 1967-7-5 177 Riverside San Jacinto Mtns, Canyon of the South Fork of the San Jacinto River 1829 Comment
  SBBG119912  Rubus ursinus A. C. Sanders with O. F. Clarke 1991-6-10 11125 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR260134  Rumex A. C. Sanders 2015-2-19 41251 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
  UC1951099  Rumex acetosella Scott D. White, Justin Wood 2008-6-18 12236 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Highway 79. USGS Idyllwild 7.5' Quad. Comment
  RSA466097  Rumex hymenosepalus N. C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  RSA334991  Rumex salicifolius var. denticulatus Steve Boyd 1985-7-23 1015 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  POM250474  Rumex salicifolius var. salicifolius I. W. Clokey, E. G. Anderson 1935-8-21 6601 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  SD224912  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 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
  UCR123840  Salazaria mexicana Steven R. Hill 2001-5-3 33695 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
  UCR244393  Salazaria mexicana Jim Andre 2012-4-16 20973 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  CAS-BOT-BC129745  Salix bonplandiana Lathrop; Thorne 1967-9-26 6668 Riverside Lome Linda, 4 mi. NW of Murrieta Comment
  SD60442  Salix exigua var. hindsiana Reid Moran 1964-7-27 11867 Riverside canyon of Santa Margarita River, 2I(c) miles SSW of Temecula 199 Comment
  RSA33367  Salix gooddingii N. C. Cooper 1943-9-26 931 Riverside Cabazon. 549 Comment
  UCR104901  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR140699  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET10539065  Salix gooddingii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3742 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  UC64010  Salix laevigata H. M. Hall June, 1901 2278 Riverside San Jacinto Mts., Strawberry Creek 1584 Comment
  UCR232067  Salix laevigata John F. Green 2008-4-24 13- 05 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  POM319098  Salix lasiolepis Patricia Wilder 1971-2-4 4917 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  POM362844  Salix lutea E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley. 2134 Comment
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May 29 2011
  CAS-BOT-BC126321  Salix sessilifolia Crawford; Johnston 1917-6-9 1244 Riverside Santa Ana River near Corona Comment
  UCR52073  Saltugilia australis D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  RSA587143  Saltugilia caruifolia D. L. Banks, S. D. Boyd 1995-6-2 0554 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on the boundary of sections 32 & 33. 1042 Comment
  UC667330 Image available Saltugilia latimeri Annie M. Alexander and Louise Kellogg 1941-5-4 2114 Riverside Joshua Tree National Monument Comment
  POM13571  Salvia apiana P. A. Munz 1922-6-26 5829 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  UC729534  Salvia apiana Carl B. Wolf 1932-5-24 Riverside Snow Creek Canyon San Jacinto Mts. (0.5 mi below Fish Hatchery, n base of San Jacinto Mts) 548 Comment
  UCR262279  Salvia apiana A. C. Sanders 2006-5-13 32280 Riverside Peninsular Range, 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
  UCR268587  Salvia apiana Jim Andre 2012-6-15 30543 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA697876  Salvia carduacea Unspecified s.n. Riverside Elsinore. Comment
  RSA401481  Salvia columbariae Robert L. Dressler 1949-3-19 369 Riverside Box Canyon, Orocopia Mts. Comment
  UCD125702  Salvia columbariae Louis B. Ziegler 1965-11-10 s.n. Riverside Hemet Valley, San Jacinto Mountains, along a road about one mile north of Kenworthy Ranger Station. 1524 Comment
  UCSB5774  Salvia columbariae Koran, John 1958-4-25 Riverside 5 miles West of Hwy 111; on IdyllwiId-Banning Hwy (74) Comment
  RSA0045242  Salvia columbariae W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  JEPS16867  Salvia greatae Marjorie D. Clary 1938-4-17 2845 Riverside n of Salton Sea (Clemen's Well); Orocopia Mountains, Big Salt Creek Wash 243 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
  RSA182349  Salvia mellifera J. Olmstead 1962-5-2 3447 Riverside Sandy flat by saddle just N of highest part of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  UCR120296  Salvia mellifera Mitch Provance 1998-2-13 16 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR138652  Salvia mellifera D. L. Banks 1997-4-5 1663 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR180147  Salvia mellifera Mitch Provance 2003-4-26 9903 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR260588  Salvia mellifera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41557 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  JOTR34015  Salvia vaseyi La Doux, Tasha, M. Harding 2010-4-7 2902 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR198162  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Colorado Desert, Little San Bernardino Mountains, nameless canyon c. 1 mi west of Pushawalla Canyon, leading up to MWD aqueduct 488 Comment
  UCR55834  Salvia vaseyi J. A. Adams 1965-4-17 127 Riverside Sonoran (Colorado) Desert, Hwy 111, 2 mi east of Palm Springs near foothills 244 Comment
  UCR86855  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-27 16736 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
  RSA500140  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3669 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR97681  Sanicula arguta A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19912 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  POM128365  Sanicula crassicaulis Thos Craig 1927-4-23 204 Riverside Glen Ivy. Comment
  RSA100183  Sanvitalia procumbens J. C. Roos, Lucille Roos 1954-7-26 6204 Riverside In unused corner of dry garden, 6th Street near Pepper. In E. C. Jaeger's yard? 274 Comment
  CLARK-A1528-1467  Sarcostemma cynanchoides subsp. hartwegii John C. Roos 1952-8-27 5891 Riverside Reche Canyon 457 Comment
  UCR60265  Sarcostemma cynanchoides subsp. hartwegii Steve Boyd, T. Ross, L. Arnseth 1989-6-10 3666 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  CDA15706  Sarcostemma hirtellum G. F. Hrusa, J. A. Hart 1993-4-4 10592 Riverside Cholla Garden, Joshua Tree NM. Comment
  UCR214864  Sarcostemma hirtellum A. C. Sanders 2010-3-23 37526 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  RSA444802  Schedonorus arundinaceus J. C. Roos 1950-4-15 4743 Riverside West end of Fairmount Park Lake Comment
  RSA753935  Schinus molle W. Schlegel, Andrew Trouette 2008-10-10 25 Riverside Snow Creek Cabin Parcel Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 Riverside Peninsular Range, 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
  UCD93276  Schismus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22139 Riverside Temescal Canyon, 8 mi. s.e. of Corona. Comment
  UCR214416  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
  UC907586  Schismus barbatus Curtis Bowser 1946-3-13 Riverside near Thermal Comment
  UCD93253  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  POM1394  Schoenoplectus americanus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  RSA652886  Schoenoplectus californicus John Wallace 1991-5-8 22 Riverside Colorado River. Comment
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Aug 13 2015
  CAS-BOT-BC111017  Scirpus microcarpus I. Johnston 1916-4-21 12 Riverside Between Upland & Cucamonga (Red Hill) Comment
  SEINET13276759 Image available Scirpus microcarpus Mitch Provance 2012-1 196 -01 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  SBBG16541  Scrophularia californica P. H. Raven 1962-4-29 17486 Riverside Ortega Hwy, 1 mi above the east base 487 Comment
  UCR91461  Scrophularia californica Scott D. White 1995-3-30 2674 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
  RSA507950  Scrophularia californica subsp. floribunda Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  JEPS62878  Scutellaria siphocampyloides Carl V. Meyer June 1927 173 Riverside Idyllwild 1676 Comment
  RSA0074166  Scutellaria siphocampyloides John Olmsted 1958-6-15 183 Riverside North shore of Hemet Lake, 10 miles south of Mt. Center just off Pines to Palms Hwy. Mt. Range: San Jacinto Mountains; Drainage area: S. Fk. San Jacinto R. 1326 Comment
  UCR99406  Searsia pendulina A. C. Sanders 1997-2-26 19688 Riverside Riverside: SE side of UCR campus at NW corner of reservoir 305 Comment
  RSA0074746  Sedum spathulifolium Scott D. White 2000-11-15 8148 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  POM12525  Selaginella bigelovii Philip A. Munz, D. Keck 1922-4-14 5007 Riverside East of White Water Ranch 244 Comment
  RSA125964  Selaginella bigelovii E. K. Balls, Percy C. Everett 1957-11-4 22754 Riverside Snow Creek, near old Fish Hatchery and through wash. 701 Comment
  CAS-BOT-BC62084  Selaginella eremophila S. B. Parish 1914-4-6 9030 Riverside Mountain Springs, Colorado Desert Comment
  UCR234816  Selaginella eremophila Jim Andre, Glenn L. Clifton 2011-2-22 17481 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  UCR91553  Selaginella eremophila A. C. Sanders, C. L. Sanders, G. K. Helmkamp, L. Lubinsky 1995-1-29 15903 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  POM12933  Selaginella watsonii Philip A. Munz 1922-6-27 5869 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  CAS-BOT-BC363488  Senecio californicus Raymond Lindholm 1961-3-1 s.n. Riverside Near San Bernardino. Reche Canyon Comment
  UC1563104  Senecio californicus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3103 Riverside dried bed of man-made pond and adjacent slopes at n base of rounded knob 1.25 mi wsw dam; Vail Lake area 609 Comment
  UCR279341  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-23 42945 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 823 Comment
  CAS-BOT-BC364258  Senecio triangularis H. M. Hall 1901-7-1 2535 Riverside San Jacinto Mountains. Branch of Snow Creek 2499 Comment
  SD137852  Senecio vulgaris Darin L. Banks 1995-3-15 54 Riverside Northwest Palomar Mountains, north face of Agua Tibia Mountain, Dorland Mountain area 687 Comment
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Apr 28 2009
  UCR265848  Senecio vulgaris Mitch Provance 2013-4-8 413- 04 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  SD229146  Senegalia greggii Dick Schwenkmeyer 2012-5-22 712 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SD229147  Senegalia greggii Dick Schwenkmeyer 2012-10-16 931 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  RSA0012648  Senna armata April Garbat, Kristin Forgrave 2013-5-29 77 Riverside Gasline Rd and Bradshaw Trail junction off Red Cloud Mine Rd, population extends east for 2 miles. 602 Comment
  CAS-BOT-BC438214  Sesuvium verrucosum S. B. Parish; W. F. Parish 1891-11-3 2278 Riverside Shores of Elsinore Lake Comment
  RSA675695  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment