Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG94852  Abies concolor F. C. Vasek 1977-11-25 771125 -6 Riverside Boulder Basin Cmpgrd, just below Black Mtn Look Out Comment
  SBBG1866  Abronia villosa H. and M. Dearing -Mar-1926 197 Riverside near Salton Sea Comment
  SDSU8420  Abronia villosa J. Godsil 1953-3-20 582 Riverside Sand dunes, east of Palm Springs. 140 Comment
  UCR233709  Abronia villosa Duncan S. Bell 2010-5-1 870 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 11 air miles west of Rice, at the junction of Hwy 62 and the aqueduct access road 242 Comment
  UCR42400  Abronia villosa J. M. Stewart 1986-2-24 86- 14 Riverside Sonoran (Colorado) Desert, Coachella Valley, Country Club Drive, 0.6 mi. west of Washington Street, Palm Desert 43 Comment
  RSA0009283  Abronia villosa var. aurita Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 6 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  RSA97040  Abronia villosa var. aurita E. K. Balls 1954-7-18 19534 Riverside seed coll. from from head of Hemet Valley. san Jaconto Mts. 1494 Comment
Read comments
Jul 14 2012
  SEINET3133246  Abronia villosa var. aurita R. W. Spellenberg, D. Jackson 1972-5-19 2822 Riverside 7 mi E of downtown Hemet on Hwy 74 579 Comment
  RSA717471  Abronia villosa var. villosa Scott D. White, Andrea Warniment 2006-3-22 11268 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA760970  Abronia villosa var. villosa Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 155 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  POM2530  Acacia greggii var. arizonica J. S. Chase 1916-04 s.n Riverside Palm Springs. Comment
  CAS-BOT-BC177005  Acacia redolens A. C. Sanders; T. B. Salvato 2011-3-30 38895 Riverside Peninsular Range: city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA730045  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41796 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SBBG71269  Acer glabrum R. Hoffmann 1929-9-6 Riverside near Tahquitz Peak 2590 Comment
  RSA296155  Achnatherum coronatum B. A. Prigge 1980-8-5 3830 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  SBBG56982  Achnatherum hymenoides M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  RSA752884  Achnatherum lemmonii var. lemmonii Orlando Mistretta 2009-7-10 3993 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  RSA387363  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  SD134541  Achyrachaena mollis Craig Reiser 1989-4-4 Riverside Southern flank of Amberhill [Alberhill] in western part of county Comment
Read comments
Jul 11 2010
  UCR48502  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CAS-BOT-BC384730  Achyronychia cooperi Paul F. Covel 1938-4-21 1173 Riverside Cathedral City, east Palm Sprgs Comment
  SEINET12558045 Image available Achyronychia cooperi Mary F. Spencer 1920-1 1436 Riverside Palm Springs, Colorado Desert 122 Comment
  CAS-BOT-BC213472  Acmispon argophyllus var. argophyllus D. W. Kyhos 1962-3-7 62 -79 Riverside About 2 miles east of alpine Cafe on Palms to Pines Highway near Nightingale trunoff. Comment
  SD29584  Acmispon grandiflorus var. grandiflorus Darley F. Howe 1941-6-9 1103 Riverside San Jacinto Mountains 1219 Comment
  SD133087  Acmispon strigosus Scott White 1991-5-10 91 144 Riverside Hwy 79 immediately west of US Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  SEINET5327551  Acmispon strigosus E. Neese 1979-4-10 7080 Riverside ca 25 mi W of Blythe, desert along Interstate 10 244 Comment
  UCR21843  Acourtia microcephala Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  JEPS20772  Adenophyllum porophylloides Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13234 Riverside gully ca 1/2 mi s, near Midland, along Rice to Blythe road Styx Comment
  JOTR32433  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  CAS-BOT-BC133136  Adenostoma fasciculatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SD229250  Adenostoma fasciculatum Dick Schwenkmeyer 2012-3-26 666 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCSB26901  Adenostoma fasciculatum var. fasciculatum Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  RSA453180  Adenostoma sparsifolium E. C. Jaeger 1923-6-6 s.n. Riverside East-slope San Jacinto Mountains 1585 Comment
  UC12019  Adenostoma sparsifolium H. M. Hall July 1901 Riverside e. end Tahquitz Valley; San Jacinto Mts. 1828 Comment
  RSA598053  Adiantum capillus-veneris A. C. Copeland 2587 Riverside Temecula Canyon Comment
  SDSU14178  Adiantum jordanii Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 6 Riverside Santa Margarita Ecological Reserve. Up creek along east side of canyon from where Tornado road crosses Santa Margarita River. Comment
  CAS-BOT-BC295627  Agnorhiza ovata Peter H. Raven 1962-5-18 17761 Riverside Mail Divide Truck Trail 3 miles above Ortega Highway 1005 Comment
  JEPS36230  Agoseris grandiflora var. grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside Van Deventer's Ranch (journey from Riverside to Santa Rosa Peak and Palomar) Southern California Comment
  RSA384966  Agrostis exarata E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR24979  Agrostis exarata A. C. Sanders 1980-7-22 1704 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  UCR272822  Agrostis idahoensis Mitch Provance 2015-7-23 715- 05 Riverside San Jacinto Mountains, Fern Valley, Strawberry Creek, vicinity of Rim Rock Drive. 1866 Comment
  RSA462621  Allionia incarnata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR100871  Allionia incarnata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2703 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR129151  Allionia incarnata Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR19112  Allionia incarnata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  RSA0048455  Allionia incarnata A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mountains. 640 Comment
  RSA778399  Allionia incarnata Amber Swanson 2011-10-9 650 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  JOTR33712  Allionia incarnata var. incarnata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1001 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA0048297  Allium burlewii Elwood Fordham 1951-5-25 s.n. Riverside San Jacinto Mtn. 1828 Comment
  RSA0000106  Allium haematochiton J. C. Marvin 1921-4-1 3408 Riverside Near Banning. Comment
  RSA343873  Allium lacunosum var. lacunosum Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60652 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  CAS-BOT-BC132013  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills: Summit of Estelle Mt. 841 Comment
  RSA348951  Allium munzii Steve Boyd 1986-4-10 1640 Riverside Gavilan Hills; Temescal Canyon: DePalma Rd., 0.1 miles E of the Indian Truck Trail exit of I-15. 366 Comment
  UCR156477  Allium munzii Jason L. Hlebakos 2005-5-3 618 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  SEINET12043797  Allium parryi C. B. Clokey, Clokey, I. W.; Templeton, B. 1930-1 1477 Riverside Gavilan Peak, W of Perris 400 Comment
  RSA180313  Allium peninsulare var. peninsulare E. W. Lathrop 1965-4-30 5699 Riverside 5 miles W of Murrieta. Alt 2000ft 610 Comment
  CAS-BOT-BC475413  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UCR199647  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  RSA715374  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
Read comments
May 25 2010
  UC52844  Allophyllum gilioides subsp. violaceum H. M. Hall 1901-7-17 2450 Riverside Tauquitz Valley San Jacinto Mts., Tauquitz Valley 2133 Comment
  LA210330  Allophyllum glutinosum Harlan Lewis; Elizabeth McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  UC1080554  Allophyllum glutinosum Verne and Alva Grant 1951-6-4 16009 Riverside 2 mi. s. Temecula (on Hwy. 395) 335 Comment
  CLARK-A1528-7783  Amaranthus albus John C. Roos 1965-7-27 Riverside Hemet Comment
  HSC92614  Amaranthus albus J. J. Jimenez-Osornio 1986-11-6 1 Riverside Corona 186 Comment
  UCR167796  Amaranthus albus T. B. Salvato, Melissa Clemons 2005-6-23 1319 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA0112041  Amaranthus blitoides A. C. Sanders, Jose Aguiar 2012-12-19 40532 Riverside Sonoran (Colorado) Desert: Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal. -8 Comment
  RSA402973  Amaranthus blitoides L. S. Rose 1967-12-20 67185 Riverside 6 mi. SE, of Thousand Palms. 15 Comment
  UCR125907  Amaranthus blitum A. C. Sanders 2002-11-10 25623 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  UCR59715  Amaranthus fimbriatus A. C. Sanders 1989-9-19 9508 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  SD146059  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside; Hillside area,. along the south side of Dewey Street between Streeter Ave. and Palm Ave. 238 Comment
  UCSB7142  Ambrosia acanthicarpa Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute Comment
  POM48486  Ambrosia confertiflora Philip A. Munz, I. M. Johnston 1924-7-29 8887 Riverside Banning. Comment
  UCR250116  Ambrosia confertiflora A. C. Sanders 2014-4-23 41050 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, c. midway between Black Powder Rd. and end of Concordia Ranch Rd. 380 Comment
  CAS-BOT-BC22612  Ambrosia dumosa P. H. Raven 1958-1-24 11463 Riverside Fargo Canyon Comment
  LA202894  Ambrosia dumosa W. B. Welch; 1928-5-5 sn Riverside Travertine Rock near Salton Sea 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
  SBBG92823  Ambrosia dumosa D. Charlton 1988-2-18 1122 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
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  UCR100206  Ambrosia dumosa B. G. Pitzer 1997-10-19 3361 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR196392  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR256334  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UCSB18824  Ambrosia dumosa Barrick, Linda 1963-5-5 Riverside East side of State Highway 74, 10 miles S of Palm Desert 1066 Comment
  SFV9294  Ambrosia salsola D. H. Hoover 1968-3-23 68 43A Riverside Colorado Desert Morongo Valley. North of Palm Springs area. Comment
  SEINET6734852 Image available Ambrosia salsola H. M. Hall 1905-1 5983 Riverside Colorado Desert, Chuckawalla Springs, lower Sonoran zone Comment
  SBBG100464  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
  SBBG87792  Ambrosia salsola var. salsola A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6023 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  UCSB18239  Ambrosia salsola var. salsola Easley, Bill 1964-5-10 Riverside Roadside, State Highway 71, 4.9 miles N from Pinyon Flats Campground 944 Comment
  HSC84226  Amsinckia intermedia Karin Cleary 1987-4-8 11 Riverside Banning; 1.5 km N of the intersection of I-10 and Sunset Ave. E side of Sunset 835 Comment
  UC1084562  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-4-30 2242 Riverside 0.1 mi e of bridge over wash at base of San Jacinto Mountains (Banning-Idyllwild Road) Comment
  UCR3295  Amsinckia intermedia T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5.5 mi south on Old Banning-Idyllwild Rd. 988 Comment
  RSA703377  Amsinckia tessellata var. tessellata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1412 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG55836  Anagallis arvensis S. LaBonde 1963-4-7 17 Riverside 4 mi NE of Palm Springs on the Palm Desert Hwy 60 Comment
Read comments
Mar 31 2014
  SD187465  Anagallis arvensis Scott D. White, Angelia Carey 2004-5-7 10315 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  RSA526485  Anagallis arvensis Steve Boyd, Tim S. Ross 1990-5-11 4682 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
  UCR174359  Ancistrocarphus filagineus A. C. Sanders 2006-5-19 32383 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
  UCD56067  Andropogon glomeratus var. pumilus L. S. Rose 1935-12-27 s.n. Riverside Palm Canyon. Comment
  SDSU13503  Anemopsis californica W. Miller with C. Mosse 1972-7-20 Riverside West of R.C. Weather Station. Comment
  IRVC3691  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-6-6 SJ 229 Riverside San Jacinto Ridge Road; above San Jacinto Creek. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  RSA416701  Antennaria rosea Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  UCR280835  Anthemis cotula T. B. Salvato, Gregg Miller 2005-6-3 1371 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
  RSA304702  Antirrhinum nuttallianum subsp. nuttallianum James R. Shevock 1970-4-25 158 Riverside Coldwater Trail 579 Comment
  CAS-BOT-BC405879  Aquilegia formosa Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UCR44209  Arabis pulchra A. C. Sanders 1986-6-1 6550 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  POM98010  Arabis pulchra var. gracilis E. C. Jaeger 1926-3-24 s.n Riverside Eagle Mountains. Comment
  RSA0128656  Arabis repanda P. A. Munz 1922-9-6 6386 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  POM202933  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  UCR26440  Arceuthobium campylopodum A. C. Sanders, J. A. Harpel 1981-8-26 2331 Riverside Santa Rosa Mtns., Virgin Spring 2348 Comment
  UC1543112  Arctostaphylos Donald G. Nelson 1936-5-21 379 Riverside slopes just n meadow in valley just east of Jurkey Creek Camp area (e of Lake Hemet, and n of Mt. Thomas); San Jacinto Mountains Comment
  RSA629389  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19510 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629437  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19531 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629167  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16807 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629345  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16863 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UCR133431  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 447 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA631720  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19306 Riverside Highway 79, 6 km west of Aguanga. 650 Comment
  RSA631754  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19269 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631758  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15066 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631786  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16731 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631792  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19566 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631851  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15083 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  UCR139049  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UCR199576  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA633551  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21796 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633582  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22523 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633642  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21763 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA635596  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16740 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  SEINET3093967 Image available Arctostaphylos pringlei Paul Lamos 1972-4-16 0416720501 Riverside .5 mi. north Lake Filmore highway 243 1646 Comment
Read comments
Mar 13 2018
  RSA635642  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16725 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  SD3568  Arctostaphylos pringlei subsp. drupacea Florence Youngberg 1933-8-28 Riverside San Jacinto Mtns., near Idyllwild Pines, near Inspiration Point Comment
  CSUSB1375  Arctostaphylos pringlei var. drupacea Richard G. Sullivan 1972-5-13 7 Riverside San Jacinto Mountains, Idyllwild Comment
  RSA635783  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16532 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA752547  Arctostaphylos pungens Justin M. Wood 2009-3-10 350 Riverside Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  RSA636029  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15060 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  RSA636181  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19540 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  UCR201436  Arenaria macradenia subsp. macradenia Scott D. White, Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  SJSU8578  Argemone munita R. C. McGehee 1970-5-1 261 Riverside Graham Pass on Graham Pass Rd between Chuckwalla & Little Chuckwalla Mts, 14 mi S of Interstate Hwy 10 Comment
  UCR72762  Aristida adscensionis Megan Phillips 1991-10-17 92- 20 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Springs, Tahquitz debris bain at base of Tahquitz Canyon, off Sunnydunes Drive Comment
  RSA385011  Aristida adscensionis var. modesta Robert Gustafson 1980-4-3 1532 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  UCR244912  Aristida californica Jim Andre 2012-3-19 21352 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA720441  Aristida purpurea Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1704 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  UCD56514  Aristida purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 121 Comment
  JOTR35421  Aristida purpurea var. longiseta Andre, Jim 2012-4-16 20957 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCR112019  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  IRVC473  Artemisia californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 51 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  UCD129218  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek. 609 Comment
  RSA417288  Artemisia douglasiana L. C. Wheeler 1931-10-4 200 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA463103  Artemisia douglasiana Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  UC1929757  Artemisia ludoviciana subsp. incompta Scott D. White 2003-10-9 9824 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. San Jacinto Peak 7.5' Quad. Comment
  JEPS37034  Artemisia ludoviciana subsp. ludoviciana Carl V. Meyer 1928-7-30 573 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow (dry edge of meadow on n slope) 1676 Comment
  POM17577  Artemisia ludoviciana subsp. ludoviciana Dr H. Baer 1923-9-30 s.n. Riverside San Jacinto Valley. Comment
  POM19634  Artemisia tridentata Mary F. Spencer 1923-8-17 2208 Riverside Hemet Valley, San Jacinto Mountains 1220 Comment
  SEINET10513658  Arundo donax David B. Dunn 1947-2-9 Dunn 2851 Riverside Pushawall canyon. Indio hills. By lower part of stream. Comment
  UCR163056  Asclepias erosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4234 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  RSA192086  Asclepias fascicularis H. A. Zuill 1966-6-5 198 -b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  SBBG5722  Asclepias subulata H. and M. Dearing 1940-11-10 5009 Riverside Thousand Palms Cyn Comment
  RSA0011742  Asplenium vespertinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2917 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR277706  Aster subulatus Mitch Provance 2012-11-3 1112- 06 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  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-BC178635  Astragalus coccineus Jay B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3 km E of jct. w/Santa Rosa Mtn. Rd. 1400 Comment
  UC862649  Astragalus didymocarpus var. obispoensis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  SBBG3180  Astragalus douglasii H. and M. Dearing 1937-11-28 852 Riverside Santa Rosa Mtns Comment
  UCR208902  Astragalus douglasii var. parishii I. M. Johnston 1917-4-4 1005 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  RSA524415  Astragalus gambelianus Steve Boyd 1990-4-3 4107 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR91477  Astragalus gambelianus Scott D. White, M. Jacobsmeyer 1996-4-20 3946 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  CAS-BOT-BC187106  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-1 5757 Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC187116  Astragalus lentiginosus var. borreganus L. R. Abrams 1926-3-26 11091 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  UC862626 Image available Astragalus lentiginosus var. coachellae Alice Eastwood 1913-4-30 3116 Riverside Palm Springs Comment
  UCR162553  Astragalus lentiginosus var. variabilis James C. Dice, Kim A. Nicol 1998-3-24 980324 -3 Riverside NW Colorado Desert, 7.1 miles (11.4 km) N of Desert Center, along State Hwy 177 163 Comment
  UCSB42213  Astragalus nuttallianus Roos, John 1958-3-15 Riverside 3 miles SE of Desert Center, in the Chuckwalla Mtns. Comment
  RSA49388  Astragalus nuttallianus var. imperfectus P. A. Munz 1949-4-11 12995 Riverside North base of Eagle Mtns. 945 Comment
  RSA605939  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Horse Canyon off of Coyote Canyon. Comment
  UC1563118  Astragalus pachypus var. jaegeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3226 Riverside sandstone ridge between Kolb Creek and Temecula Creek (Vail Lake area, n end peninsula at sw end Vail Lake); Vail Lake area, btwn Kolb Creek and Temecula Creek Comment
  CAS-BOT-BC192761  Astragalus palmeri Lewis S. Rose 1935-12-23 35700 Riverside San Jacinto Mts. 22 mi. S. of Cathedral City 914 Comment
  JOTR34280  Astragalus palmeri La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3295 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA523524  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3983 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1922058  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-5 9979 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  CLARK-A1528-5425  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Mecca 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
  UCR37629  Astragalus tricarinatus George K. Helmkamp 1984-5-5 E 5 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA0086760  Athysanus pusillus R. G. Swinney 1967-5-26 11729 Riverside Snow Creek. 335 Comment
  UCR139028  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  POM126265  Atrichoseris platyphylla Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  POM293697  Atrichoseris platyphylla Lyman Benson, Robert Benson 1952-4-8 14847 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area 610 Comment
  POM311101  Atrichoseris platyphylla H. K. Sharsmith 1952-4-8 4051 Riverside Pinto Mts near Meek Mine and 2.5 miles beyond Mission Well 579 Comment
  SEINET2044653 Image available Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside West side of Chuckwalla Mountains, on gas line road ca. 1.5 miles N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  UCR101391  Atriplex argentea A. C. Sanders, K. C. Rose 1998-9-29 22253 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR176901  Atriplex argentea Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  POM278726  Atriplex canescens Grant D. Brown 1950-12-2 591 Riverside Mockingbird Canyon, about 4 miles up the canyon 412 Comment
  SFV11874  Atriplex canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC850759  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  POM278704  Atriplex canescens var. laciniata Grant D. Brown 1950-12 449 Riverside 5 mi. W. of Indio on Hyway #99 Comment
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Apr 7 2011
  RSA696733  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
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Sep 10 2011
  CLARK-A1528-5400  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  OBI60302  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-1 Riverside Comment
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Dec 9 2014
  RSA591763  Atriplex coronata var. notatior J. C. Roos 1965-6-30 s.n. Riverside Perris. Comment
  SD133118  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2058 Riverside 6.6 km west of Hemet and ca. 880 meters west of intersection of Florida and Warren Streets. 500 Comment
  UCR62078  Atriplex coronata var. notatior George Ruffner 1990-5-2 s.n. Riverside San Jacinto Wildlife Area, E of Davis road, vicinity of duck ponds on W edge of playa of Lake San Jacinto c. 1 mi east of the wildlife area headquarters. Comment
  UCR62385  Atriplex coronata var. notatior Don Mitchell 1990-6-1 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  UCR77746  Atriplex coronata var. notatior Steve Boyd 1991-5-13 6238 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  UCR208451  Atriplex glauca R. E. Riefner Jr. 2005-12-30 05- 792 Riverside city of Riverside, Gramercy Place near La Sierra Ave 27 Comment
  RSA478264  Atriplex hymenelytra E. C. Jaeger 1929-3-29 753 Riverside Painted canyon, near Mecca. 91 Comment
  CAS-BOT-BC169292  Atriplex lentiformis John Thomas Howell 1928-1-28 3280 Riverside Thousand Palms, Colorado Desert Comment
  UC1519870  Atriplex muelleri J. C. Roos 1965-10-17 Riverside on the roadside 20 mi w Blythe; w of Blythe Comment
  JEPS90677  Atriplex pacifica D. Bramlet 1991-5-8 2132 Riverside 5.8 km w of Hemet (some 330 m sw of intersection of Florida and Warren, some 8 m w of Warren Road, across from Auto Boulevard) 500 Comment
  CAS-BOT-BC176530  Atriplex polycarpa D. B. Dunn; H. Brown 1947-1-12 2835 Riverside Pushawalla Canyon, Indio Hills Comment
  UCR272489  Atriplex semibaccata Mitch Provance 2013-6-16 613- 22 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  UCR18899  Atriplex serenana John C. Roos 1965-8-3 s.n. Riverside Gilman Hot Springs Comment
  RSA609954  Atriplex serenana var. davidsonii D. Bramlet 1995-6-21 2442 Riverside San Jacinto Wildlife Area, Lovell Unit; 1.4 km E of Davis Road and 152 m S of the existing access road; 579 m N of the San Jacinto River channel. 43 Comment
  UCR174340  Avena barbata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32501 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
  UCR97902  Avena barbata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19841 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA314628  Avena barbata R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55421 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA385408  Avena barbata H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  UCR108875  Avena sativa Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA0123354  Ayenia compacta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9050 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
  CLARK-A1528-5226  Baccharis brachyphylla John C. Roos 1949-9-17 4659 Riverside Whitewater Wash 548 Comment
  UCR213766  Baccharis brachyphylla Scott D. White, Justin M. Wood 2009-4-29 12626 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  UCR25196  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  POM15077  Baccharis salicifolia Mary F. Spencer 1922-4-3 649 Riverside Tahquitz Canyon, Palm Springs 183 Comment
  RSA296180  Baccharis salicifolia B. A. Prigge 1980-8-5 3818 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR189288  Baccharis salicifolia Fred M. Roberts, S. Leatherman 2007-9-19 6591 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA93205  Baccharis salicifolia F. W. Peirson 1920-6-23 8663 Riverside Temecula River. 854 Comment
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Mar 15 2017
  UC50298  Baccharis salicifolia subsp. salicifolia H. M. Hall 1903-4-1 3812 Riverside vicinity of Riverside Riverside 304 Comment
  CAS-BOT-BC106628  Baccharis salicina E. W. Lathrop 1965-10-24 6019 Riverside 8 miles west of Murrieta. Plateau of the Santa Ana Mountains. 609 Comment
  POM46867  Baccharis sergiloides George B. Grant 1906-05 s.n. Riverside Palm Springs Comment
  SD40813  Baccharis sergiloides Carl B. Wolf 1932-10-11 4272 Riverside Morongo Wash, Little San Bernardino Mountains; 0.3 miles below San Bernardino County Line. 669 Comment
  UC893734  Baccharis sergiloides Carl B. Wolf 1932-10-13 4311 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  UCR136316  Baccharis sergiloides Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA442013  Bahiopsis parishii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  IRVC27465  Baileya pauciradiata Helen Kennedy, Fred R. Ganders 1980-4-15 4065 Riverside along [Box Canyon] road between Mecca and Hwy. 10 Colorado Desert 100 Comment
  UC724347  Baileya pleniradiata Aven Nelson, Ruth A. Nelson 1939-3-30 3339 Riverside between Mecca and Blythe, hwys 60 and 70 Comment
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Feb 3 2011
  UCR244309  Baileya pleniradiata Jim Andre 2012-4-15 20851 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR268584  Barbarea orthoceras Jim Andre 2012-6-15 30549 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 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
  RSA782528  Bebbia juncea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04deg.) of intersection of I-15 and Lake St. 465 Comment
  UCR72213  Bebbia juncea Theo Glenn 1991-5-20 91- 106 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  SEINET10616176  Bebbia juncea David B. Dunn, Howard Brown 1947-1-12 Dunn 2837 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100137  Bebbia juncea var. aspera Annie M. Alexander; Louise Kellogg 1941-5-15 2182 Riverside north base of Eagle Mountains, Colorado Desert 914 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
  UCR113999  Bebbia juncea var. aspera Mitch Provance 1999-3-8 1060 Riverside Jurupa Mountains, SE Pyrite Canyon (= SE end of Wilder's Cyn.), c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  CLARK-A1528-7860  Berberis dictyota John C. Roos 1940-2-17 890 Riverside Reche Canyon Comment
  POM160114  Berberis nevinii E. C. Jaeger 1927-4-20 s.n. Riverside Aguanga Comment
  RSA356886  Bernardia incana R. F. Thorne 1966-10-15 41798 Riverside Palm Springs. Comment
  RSA724079  Beta vulgaris R. E. Riefner 1998-4-22 98 -266 Riverside City of Wildomar, near Lake Elsinore, N 0.25 mi from Union St. and Corydon Rd. 367 Comment
  CAS-BOT-BC16095  Boechera californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside San Jacinto Mountains. Northwest of Idyllwild. Along fire road south of south end Marion Ridge Road, Pine Cove. 1938 Comment
  SD51944  Boechera californica Reid Moran 1962-7-7 9872 Riverside By Strawberry Creek, 2.0 miles southwest sof Idyllwild, San Jacinto Mountains. 1550 Comment
  UCR244886  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA782003  Boerhavia triquetra var. intermedia Stephanie Rockwood, Christi Gabriel 2011-10-18 117 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  RSA339253  Boerhavia wrightii Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53603 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  SEINET3142562  Boerhavia wrightii M. Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10 . (Hayfield Quad) Comment
  UCR248093  Boerhavia wrightii Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4375 Riverside Sonoran (Colorado) Desert, Mecca Hills, upper branch of Hidden Spring Canyon, c. 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  CAS-BOT-BC31023  Bolboschoenus maritimus LeRoy Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  SEINET12784924  Bolboschoenus maritimus subsp. paludosus G. Rink 2016-4-10 13774 Riverside At Whitewater Wash and Highway 111 61 Comment
  RSA589087  Bothriochloa barbinodis D. L. Banks, Steve Boyd 1995-10-17 798 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCSB9820  Bothriochloa barbinodis Beach, Kay 1942-10-23 Riverside Dos Palmas Spring; 0.75 mi E of road at point 20 mi from Kenworthy Forest Stn. and 12 mi N of Jct of Indio and Palmas highways; side road; San Bernardino Ntl Forest Comment
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Mar 2 2014
  UCR264213  Bouteloua aristidoides A. C. Sanders, Jim Malusa 2015-9-10 41861 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
  RSA517833  Bouteloua barbata Steve Boyd, Orlando Mistretta 1986-3-13 1457 Riverside West side Palen Mountains: NE of Desert Center. Comment
  UCD56853  Bouteloua barbata S. B. Parish 1912-6-28 8102 Riverside Mecca. Salton Basin. Comment
  UCR89728  Bouteloua barbata J. M. Stewart 1990-9-23 657 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  SEINET12798918  Bowlesia incana A. C. Sanders 2005-1 29848 Riverside Alt: 625m/2050ft. Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 635 Comment
  UC1931070  Bowlesia incana Scott D. White, Justin Wood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  RSA586771  Boykinia rotundifolia D. L. Banks, Steve Boyd 1995-5-17 0468 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail., At the spring just inside the wilderness boundary in north-central, section 33. 731 Comment
  RSA517243  Brandegea bigelovii Steve Boyd 1986-2-18 1331 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  SD44855  Brandegea bigelovii Darley F. Howe 1952-4-27 2188 Riverside Box Canyon, E of Mecca Comment
  UC495311  Brandegea bigelovii Philip A. Munz 1932-3-14 11981 Riverside Coachella Valley, Deep Canyon Deep Canyon; Coachella Valley, Deep Canyon 91 Comment
  UCD107473  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi. s. of Palm Desert. 60 Comment
  UCR244310  Brandegea bigelovii Jim Andre 2012-4-15 20850 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR172240  Brassica nigra John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UC1595585  Brassica rapa Steve Boyd, Orlando Mistretta 1991-5-9 6180 Riverside along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons (Santa Ana Mountains); , Bedford Truck Trail 548 Comment
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Nov 23 2007
  CAS-BOT-BC36849  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60, about 1.5 mile southeast of Garnet Hill. Comment
  CDA3591  Brassica tournefortii G. D. Barbe 1984-2-7 4131 Riverside 2 miles northeast of Desert Center, 0.2 mile north of Oasis Road. 0 Comment
  RSA0102676  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET229271  Brassica tournefortii L. M. Shultz, JS Shultz 1985-4-16 8277 Riverside Chuckawalla Valley north of the Chukkawalla Mountains 122 Comment
  UC1922020  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR146688  Brassica tournefortii Scott D. White, Michael Honer 2004-3-11 9900 Riverside Peninsular Ranges; Santa Ana Mountains region, Corona area; c. 0.5 air mi east of I-15 and 1 air mi N of Eln Cerrito Rd. 320 Comment
  UCR196377  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR260246  Brassica tournefortii A. C. Sanders, Jim Malusa 2015-3-9 41362 Riverside Sonoran (Colorado) Desert, 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
  UC604871  Brickellia atractyloides Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  RSA48847  Brickellia desertorum J. C. Roos 1949-9-21 4665 Riverside E slope of rocky ridge in pass between Reche Canyon & Pigeon Pass 457 Comment
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Dec 5 2014
  RSA78368  Brickellia desertorum J. C. Roos 1950-12-2 5029 Riverside Monson Canyon, Eagle Mts. 915 Comment
  UCR23270  Brickellia desertorum John C. Roos, L. Roos 1950-10-28 5020 Riverside Perris-Aguanga basin region, N base Mt. Russell, 1 mi SE of Moreno 550 Comment
  UCR89680  Brickellia incana Bern Schwenn 1994-5-7 s.n. Riverside Mojave Desert, Joshua Tree Nat. Mon.; Eagle Mtns, Black Eagle Mine Rd., 2.5 mi. east of Monument boundary 650 Comment
  JOTR34204  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2996 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UCR191207  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 928 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  UCR16042  Brodiaea terrestris subsp. kernensis S. Riddell 1973-5-17 730517- 01 Riverside 8 mi west of Perris on Hwy 74 457 Comment
  CAS-BOT-BC174244  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-3-31 37668 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  JOTR33679  Bromus berteroanus La Doux, Tasha 2005-9-1 1594 Riverside Joshua Tree National Park. Eagle Mountains, northwest end; 3.5 miles north of Cottonwood Visitor Center; granitic outcrops with sandy wash Comment
  UCR27004  Bromus grandis E. W. Lathrop 1966-5-29 6395 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR102876  Bromus hordeaceus A. C. Sanders 1997-3-26 20133 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA577764  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -A Riverside Dry foothill, west of Aguanga. 823 Comment
  UC1583851  Bromus richardsonii Michael Curto and Linda Allen 1990-8-23 693 Riverside 2 km e of Toro Campground (Santa Rosa Mountains, Toro Peak, Santa Rosa Mt. Rd (SBNF 7S02); along the n slope of Santa Rosa/Toro Peaks); Santa Rosa Mountains, Toro Peak, Santa Rosa Mt. Rd 2415 Comment
  POM363960  Bromus rubens H. de Forest, George R. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  UCR2245  Bromus rubens F. M. Reed 1922-4-16 4692 Riverside Riverside, buckeye grove, Chicago Ave. 274 Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  RSA774506  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4429 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 W116.64312 487 Comment
  UCR241785  Bromus tectorum A. C. Sanders, Timothy W. Chumley 2013-4-1 40722 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  NY664651  Bromus tectorum var. nudus F. M. Reed 1920-7-14 4443 Riverside Strawberry Valley, San Jacinto Mts. 1554.5 Comment
  GMDRC3745  Caesalpinia virgata J. Andre, T. La Doux 2009-3-1 11238 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA167552  Caesalpinia virgata R. F. Thorne, Robert L. Rutherford 1964-4-12 33656 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  UCR128170  Calamagrostis koelerioides Michael Honer 2003-5-15 1848 Riverside Santa Ana Mountains, Rainbow area, just north of San Diego County boundary and west of the I-15 Freeway 518 Comment
  UC724191  Calandrinia ambigua Aven and Ruth Nelson 1939-3-29 3326 Riverside near Palm Grove (at Hidden Springs at the Mecca road) Comment
  UCR171725  Calandrinia ciliata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR178838  Calandrinia ciliata T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 A Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  SBBG120003  Calandrinia menziesii A. C. Sanders, K. Volansky 2005-3-17 29238 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SD181490  California macrophylla Steve Boyd 2001-4-12 10401 Riverside Santa Ana Mountains-Gavilan Hills Region, Temescal Canyon, terrace escarpment just south of DePalma Road, between Indian Wash and Horsethief Wash. Comment
  RSA667102  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region: between Pedley & Mira Loma, Sims property at NE corner of Limonite Av. & Bain St. 210 Comment
  LA31714  Calocedrus decurrens Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley 1523 Comment
  SEINET5334883  Calocedrus decurrens G. B. Grant 1901-1 691 Riverside from San Jacinto Mountains, S. Cal. 914 Comment
  UC454388  Calochortus invenustus I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 Comment
  SEINET3101964  Calochortus palmeri Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17376 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  JEPS55620  Calochortus palmeri var. munzii H-M. and R. S. Beard 1967-7-1 Riverside Alderwood and Pine Crest Roads, vacant lot Idyllwild 1645 Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  UCR1591  Calochortus splendens R. L. Needham 1962-5-20 10089 Riverside San Jacinto Mtns., Banning-Idyllwild Hwy [243], c. 5 mi from Banning 915 Comment
  CAS-BOT-BC483501  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, 2 miles from Corona to Elsinore Highway, road to Lake Matthews, Gavilan Hills Comment
  UCR77713  Calycoseris parryi Steve Boyd, D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UC963833  Calycoseris wrightii Helen K. Sharsmith 1952-4-11 4064 Riverside 7 mi s of Highway 60-70 (nw base of Chuckawalla Mountains); Colorado Desert, Chuckawalla Mountains 533 Comment
  UC473451  Calyptridium monandrum John Thomas Howell 1930-5-10 4806 Riverside at to of St. John's Grade Comment
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Jul 5 2010
  JEPS52509  Calyptridium monospermum Carl V. Meyer 1928-7-27 550 Riverside San Jacinto Peak, near summit San Jacinto Peak; San Jacinto Mountain, San Jacinto Peak Comment
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Jul 5 2008
  UCR120172  Calystegia macrostegia subsp. intermedia Mitch Provance 1998-2-28 122 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  RSA716492  Calystegia macrostegia subsp. tenuifolia Scott D. White 2006-4-27 11301 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA125547  Camissonia bistorta R. Weatherby 1949-5-13 406 Riverside Arlington. 152 Comment
  UCR231757  Camissonia bistorta John F. Green 2008-4-23 09- 01 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR50880  Camissonia boothii A. C. Sanders 1988-5-11 7801 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA678226  Camissonia boothii subsp. condensata Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1095 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  CLARK-A1528-3321  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR148311  Camissonia brevipes John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  JOTR32163  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2315 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  UCR233158A  Camissonia brevipes subsp. brevipes Jim Andre, Glenn L. Clifton 2011-2-22 17453 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA12116  Camissonia californica Mary F. Spencer 1921-5-30 348 Riverside San Jacinto Mountains, wayside in San Jacinto. 549 Comment
  POM12118  Camissonia cardiophylla Mary F. Spencer 256 Riverside Mecca. Colorado Desert. -60 Comment
  POM14292  Camissonia chamaenerioides P. A. Munz, D. Keck 1922-4-9 4853 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA775096  Camissonia claviformis Duncan S. Bell, Amber Swanson 2011-2-18 2034 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA135304  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside Box Canyon 5.5 miles south-east of Painted Canyon turnoff. Comment
  RSA652361  Camissonia claviformis subsp. aurantiaca David B. Dunn, H. Lint 1955-4-1 11829 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA291561  Camissonia confusa C. W. Tilforth, B. Busenberg 1980-6-17 2000 Riverside Slopes above wash 0.1 mi. in from Hiway 74 along north leg of Thomas Mtn. Rd., south of Lake Hemet. Comment
  SEINET7072847  Camissonia contorta A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
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Jun 24 2020
  RSA525242  Camissonia hirtella Steve Boyd, T. S. Ross 1990-5-11 4619 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR51022  Camissonia micrantha S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR167309  Camissonia pallida Scott D. White, Jennifer H. Jones 2005-5-24 11102 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA186575  Camissonia pallida subsp. pallida Peter H. Raven 1962-4-7 17116 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  RSA675983  Camissonia refracta Scott D. White 2001-4-17 8347 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  RSA585788  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-9 416 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  SDSU3405  Camissonia strigulosa H. Wedberg 1958-3-30 197 Riverside On Cajalco Road, 0.2 mile west of Cajalco Fire Control Station, and 0.1 mile west of Mockingbird Canyon Road. Comment
  UC1228592  Camissonia strigulosa C. L. Hitchcock and C. V. Muhlick 1962-3-16 22136 Riverside 8 mi se Corona; Temescal Canyon Comment
  UCR75528  Camissonia strigulosa A. C. Sanders 1993-5-17 14064 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  UC874013  Camissoniopsis bistorta I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4730 Riverside Gavilan Peak 600 Comment
  UCSB42115  Camissoniopsis bistorta Roos, John 1966-4-5 Riverside Winchester Comment
  SD136805  Camissoniopsis hirtella Steve Boyd 1992-4-14 6788 Riverside San Mateo Canyon Wilderness Area; along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewagter Canyon, south of Sitton Peak. 792 Comment
  SD137703  Camissoniopsis hirtella Darin L. Bankls, Steve Boyd 1995-5-3 260 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UC1595618  Camissoniopsis hirtella Steve Boyd 1991-5-20 6271 Riverside nw Lake Elsinore (just inside Nat. For. boundary); Santa Ana Mountains, Cleveland Nat. For., Lower Rice Cyn 573 Comment
  JOTR34069  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2966 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA650983  Capsella bursa-pastoris Robert Arias 1953-1-18 s.n. Riverside Clum Ranch Ave. 54 Thermal. Comment
  SEINET2049005 Image available Carduus pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mountains, Summit of Pigeon Pass Road, Riverside East 7.5' Quad. 579 Comment
  SEINET238999  Carduus pycnocephalus Unknown 1972-5-11 Riverside Box Springs Mtns.: Highgrove National Orange Co. property beyond E end of Palmyrita Ave. (San Bernardino South 7.5' Q.) 412 Comment
  POM14318  Carex alma Phillip A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mile above mouth of Strawberry Creek. 1159 Comment
  SEINET11563899  Carex fracta P. F. Zika, N. Otting 2010-8-3 Riverside Lake Fulmor, above Rt 243, Hall Canyon, Black Mtn., San Jacinto Mtns. 1650 Comment
  POM14392  Carex nebrascensis Phillip A. Munz 1922-9-6 6397 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  POM12145  Carex sartwelliana Mary F. Spencer 1921-6-30 1687 Riverside Idyllwild. San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC117446  Carex senta Walter Burchard Welch 1928-5-5 s.n. Riverside Pine Cove Trail, Idyllmild. San Jacinto Mts. Comment
  RSA769177  Carex senta P. F. Zika, Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Penisula Ranges 2550 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
  RSA0011151  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-6 26558 Riverside San Bernardino Valley Region: Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon, near intersection of Canyon Crest Dr. and University Ave. 320 Comment
  POM171282B  Castela emoryi I. M. Johnston 1930-6-15 3787 Riverside Hayfields, Mecca-Blythe Road Comment
  RSA524444  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4080 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR116979  Castilleja affinis A. C. Sanders, T. B. Salvato 2001-5-3 24084 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  POM301823  Castilleja angustifolia James E. Cole 1942-5-10 957 Riverside Joshua Tree National Monument. 1341 Comment
  UC885366  Castilleja applegatei subsp. martinii C. Epling and Wm. Robison 1935-6-30 Riverside above Marion Camp (Mt. San Jacinto); Mt. San Jacinto Comment
  SEINET7073343  Castilleja densiflora A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR79362  Castilleja densiflora subsp. gracilis Steve Boyd 1992-4-18 6900 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  RSA770856  Castilleja exserta Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4932 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA775227  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1097 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UCR269905  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3664 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  HSC20889  Castilleja exserta subsp. exserta R. A. Eagle 1964-3-28 Riverside 5 mi. out of Riverside on the Van Buren St. Comment
  RSA0010932  Castilleja exserta subsp. exserta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1318 Riverside Palms to Pines Highway. Comment
  SEINET6985158  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and about 5 miles southeast of Lake Matthews. Comment
  RSA33565  Castilleja foliolosa N. C. Cooper 1944-3-24 1020 Riverside Banning. 701 Comment
  RSA400579  Castilleja foliolosa Mark Morris, Richard C. Barkelew 1929-3-10 13715 Riverside San Jacinto Mts. Indian Canyon Comment
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Nov 9 2011
  UC26428  Castilleja foliolosa H. M. Hall Jun 1901 2084 Riverside vicinity Chalk Hill; San Jacinto Mountains 1371 Comment
  UCD170484  Catalpa bignonioides Mitch Provance; J. George, M. K. Beyers, J. Hazlett 2017-6-6 617- 19 Riverside Temescal Valley: Property on N side of Concordia Ranch Rd. and Temescal Canyon Road, proposed site for SCE substation. 366 Comment
  JOTR34208  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3000 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UC857440  Caulanthus cooperi K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Highway near road to Shumway; near road to Shumway Comment
  RSA522768  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3875 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA717615  Caulanthus heterophyllus Scott D. White 2006-4-27 11304 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
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Feb 5 2020
  UC1608299  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6749 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr in N-fork Bear Creek (San Mateo Cyn Wilderness Area); Santa Ana Mountains, San Mateo Cyn Wilderness Area 670 Comment
  UCR105435  Caulanthus heterophyllus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20682 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  RSA651818  Caulanthus inflatus J. Bruce Smiley 1940-3-19 s.n. Riverside 3,000 ft. Mojave (west) 914 Comment
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Mar 10 2013
  UCR150970  Caulanthus lasiophyllus D. L. Banks, V. W. Steinmann 1997-3-13 1521 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
  RSA620362  Ceanothus crassifolius A. C. Sanders 1997-3-1 19728 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeon Pass Rd., 0.4 mi. E of Bench Mark 'Table' 610 Comment
  SD152769  Ceanothus crassifolius Steve Boyd 1993-3-14 7726 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in borad saddle on high ridge forming east side of Wildhorse Canyon. 975 Comment
  UCD111420  Ceanothus crassifolius Beecher Crampton 1963-5-7 6787 Riverside 2 miles west of El Cariso Guard Station, Cleveland National Forest, Santa Ana Mountains. 701 Comment
  UCR174055  Ceanothus crassifolius A. C. Sanders 2006-5-19 32451 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
  UCR68479  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3019 Riverside Peninsular Range, Vail Lake area, 1 mi west of Vail Lake 640 Comment
  CAS-BOT-BC49185  Ceanothus cuneatus H. E. McMinn 1925-7-1 1490 Riverside Lower control to Idyllwild - San Jacinto Mtns. Comment
  RSA0019587  Ceanothus cuneatus var. cuneatus Diane M. Ramirez 1983-5-1 16 Riverside Poppet Flat Divide Truck Trail, 1 1/2 mi S of junction with CA Hwy 243, S of Banning. Comment
  UC1073272  Ceanothus greggii var. perplexans George B. Rossbach 1955-4-28 344 Riverside just S of N boundary of San Bernardino National Forest, San Jacinto Mountains, Route 78, SE of Banning Comment
  POM305701  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1038 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA1031  Ceanothus leucodermis J. T. Howell 1928-7-8 397 Riverside Santa Ana Mountains above Glen Ivy. 1524 Comment
  UCR174562  Ceanothus leucodermis Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 343 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  RSA262095  Ceanothus oliganthus E. W. Lathrop 1971-3-24 7467 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SBBG105055  Ceanothus ophiochilus S. Boyd with T. Ross 1993-3-23 7893 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd 792 Comment
  CAS-BOT-BC51922  Ceanothus perplexans R. F. Hoover 1969-4-13 11227 Riverside Pinyon Flat, San Jacinto Mts. Comment
  SDSU10418  Ceanothus tomentosus H. Wedberg 1962-5-1 945 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. Comment
  UCR187503  Ceanothus tomentosus Theresa Johnson 2006-3-31 007 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, off DeLuz Road at backside (edge) of ecological reserve, near Mesa de Burro 571 Comment
  UCR130875  Cenchrus spinifex A. C. Sanders, K. C. Rose 1999-5-28 22789 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  RSA126839  Cenchrus spinifex H. S. Yates 1937-6-28 6734 Riverside Palm Springs. 137 Comment
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Dec 18 2011
  UCR80663  Centaurea repens G. R. Ballmer 1992-6-23 92- 9 Riverside San Timoteo Canyon, 3.2 mi SE of Redlands Blvd. Comment
  SD136925  Centaurea solstitialis Steve Boyd, Tim Ross 1994-9-14 8339 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area near junction of the Lucas Cyn and Verdugo trails 769 Comment
  UCR92333  Centaurea solstitialis Scott D. White, M. Wilcox 1995-7-13 3473 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  SD227752  Centromadia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner / Domenigoni area: French Valley, E side of Washington Ave., near Rawson Rd. 451 Comment
  UCR193970  Cercocarpus betuloides A. C. Sanders 2008-7-25 35916 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  UC1366083  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie and Walter Zabriskie 1969-7-5 216 Riverside Idyllwild, Pine Cove, near fier road beyond s end of Marion Ridge Road Pine Cove; Idyllwild, Pine Cove 1828 Comment
  CAS-BOT-BC279446  Chaenactis Palmer Stockwell 1940-4-24 1506 Riverside 1 mile east of Banning Comment
  UC1537043  Chaenactis artemisiifolia Gordon H. True Jr. 1935-4-18 229 Riverside Mockingbird Canyon 457 Comment
  SEINET2049348 Image available Chaenactis carphoclinia B. Pitzer 1988-3-10 658 Riverside W. side of Chuckwalla Mountains, on gas line road ca 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca, 2 miles (airline) S of Hwy I-10. 488 Comment
  SEINET4143283 Image available Chaenactis carphoclinia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4615 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock 402 Comment
  HSC28065  Chaenactis carphoclinia var. carphoclinia Richard Spjut 1973-4-5 3266 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  HSC86863  Chaenactis carphoclinia var. carphoclinia David Charlton 1988-2-25 1227 Riverside S side of Little San Bernardino Mtns. Dillon Rd. and 1000 Palms Oasis Rd. Jct. S of Joshua Tree National Park, parrallel to I-10; 5 miles E of Jct. Dillon Rd and Fargo Canyon Rd. 610 Comment
  RSA178085  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1963-3-29 32384 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SD258872  Chaenactis carphoclinia var. carphoclinia Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7643 Riverside Mecca Hills; Hills around Shaver's Well, along Box canyon Road; S edge of Shaver's Valley, E-NE of Mecca 294 Comment
  CAS-BOT-BC276939  Chaenactis fremontii John Thomas Howell 1928-3-11 3446 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  RSA0077069  Chaenactis fremontii Jim M. Andre 2015-3-2 31350 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  RSA21748  Chaenactis fremontii C. B. Wolf 1937-4-5 8420 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 365 Comment
  UCR47217  Chaenactis glabriuscula B. G. Pitzer, L. F. LaPre 1987-3-2 0419 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  JEPS34142  Chaenactis glabriuscula var. glabriuscula W. L. Jepson and H. M. Hall 1901-5-17 1246 Riverside San Jacinto town to Strawberry Valley 487 Comment
  JEPS82355  Chaenactis glabriuscula var. glabriuscula L. R. Heckard 1969-4-24 2163 Riverside about 7 mi s of Sage (along Highway 79) Comment
  UC63020  Chaenactis glabriuscula var. lanosa H. M. Hall May 17 1901-Jun 1 1901 Riverside Kenworthy; San Jacinto Mountains 1371 Comment
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Mar 25 2011
  RSA775940  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 950 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SJSU11743  Chaenactis stevioides R. C. McGehee 1970-4-15 201 Riverside Wileys Well c. 24 mi SW of Blythe, southeastern Riverside County Comment
  UC894415  Chaenactis stevioides I. W. Clokey 1935-4-17 6942 Riverside Cottonwood Springs Comment
  UCD81586  Chaenactis xantiana Chuck Hughes 2009-3-27 71 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  UCR21293  Chaetopappa aurea A. C. Sanders 1980-5-1 01361 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  SFV2081  Chamaesyce albomarginata P. G. Kilburn 1958-5-16 809 Riverside San Jacinto Mountains Pinyon Flat Campground, 12 miles south of Palm Desert. 1220 Comment
  RSA0020040  Chamaesyce micromera Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6012 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  HSC83003  Chamaesyce polycarpa G. K. Helmkamp 1985-6-28 600 Riverside S of Morongo Valley, at the lower end of the canyon where it opens into the W end of the Coachella Valley 503 Comment
  POM432475  Chamaesyce polycarpa E. S. Spalding 1925-2-15 s.n. Riverside Painted Canyon. Comment
  SEINET3090014 Image available Chamaesyce polycarpa John Adams 1965-4-17 131 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. 244 Comment
  RSA611960  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1952-10-30 7011 Riverside University of California at Riverside: Citrus Experimental Station. Comment
  UC64183  Chamaesyce serpyllifolia H. M. Hall 1901-6-1 2183 Riverside Thomas Valley San Jacinto Mtns 1371 Comment
  RSA320393  Cheilanthes clevelandii B. Busenberg, Walter Wisura 1984-10-19 4025 Riverside Ca. 4 mi fr. I 10 at Banning, along road to Idyllwild Comment
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Dec 4 2014
  CAS-BOT-BC70035  Cheilanthes covillei Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colo. Desert Comment
  IRVC3126  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  JOTR32631  Cheilanthes covillei La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2554 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  JOTR33996  Cheilanthes parryi La Doux, Tasha, M. Harding 2010-4-7 2884 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
  UCSB30930  Cheilanthes parryi Parker, V. 1974-4-5 Riverside Just outside of the Phillip Boyd Desert Research Station near Palm Desert 289 Comment
  RSA685829  Cheilanthes viscida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  UC337871  Cheilanthes viscida J. G. Lemmon and wife May 1888 Riverside San Gorgonio Pass; San Jacinto Mts Comment
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Mar 3 2008
  UC668386  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-24 2083 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  RSA717053  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  UCR103222  Chenopodium berlandieri Scott D. White 1994-10-17 2463 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR249814  Chenopodium californicum T. B. Salvato, John Lovio 2013-3-19 7352 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  CLARK-A1656-768  Chenopodium murale Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  UCR232042  Chenopodium murale John F. Green 2008-4-15 0408- 05 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  CAS-BOT-BC231792  Chilopsis linearis Geo. B. Grant 1906-5-1 170 a-6740 Riverside Colorado Desert at Palm Springs Comment
  RSA340186  Chilopsis linearis W. A. Tilforth 1980-5-28 54178 Riverside San Bernardino Mts: Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  RSA33365  Chilopsis linearis subsp. arcuata N. Cooper 1943-9-26 925 Riverside Cabazon. 549 Comment
  UCR102887  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR130516  Chloris truncata R. E. Riefner Jr. 2003-10-21 03- 461 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  SBBG57113  Chloris virgata R. Hoffmann 1929-9-4 Riverside between Wineville [Mira Loma] and Riverside Comment
  UCR113856  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CAS-BOT-BC39669  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area. Diamond Valley, along State Street (R3) ca. 0.5 mile north of Newport Road. South of Hemet 488 Comment
  CAS-BOT-BC191700  Chorizanthe brevicornu var. brevicornu John Thomas Howell 1928-3-25 3555 Riverside 10 miles S of Palm Springs on road to Indio, Colorado Desert Comment
  CAS-BOT-BC191710  Chorizanthe brevicornu var. brevicornu Ivan Johnston 1917-4-4 1105 Riverside near Palm Springs. Colorado Desert Comment
  POM250530  Chorizanthe brevicornu var. brevicornu I. W. Clokey 1935-4-17 6595 Riverside Cottonwood Springs. Comment
  RSA392605  Chorizanthe brevicornu var. brevicornu F. R. Fosberg 1932-3-13 8066 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  UCR87931  Chorizanthe coriacea A. C. Sanders, N. Ferguson 1994-6-2 14634 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA392658  Chorizanthe corrugata N. C. Cooper 1949-4-8 3306 Riverside Desert Center. 610 Comment
  RSA615122  Chorizanthe fimbriata A. C. Sanders, G. K. Helmkamp 1997-3-15 19929 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills. 537 Comment
  UCR242864  Chorizanthe fimbriata Dick Newell, Judy Booth 2013-6-16 334 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Rd., 0.3 mi. east of Decker Canyon Rd. 887 Comment
  CAS-BOT-BC191347  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just S of Interstate 15 Comment
  SD138831  Chorizanthe leptotheca Craig Reiser 1993-5-17 Riverside Near Agua Tibia Wilderness Area, South of Highway 79 west of entrance to Woodchuck Campground Comment
  UCR217524  Chorizanthe leptotheca Jeff B. Galvin, Lauren Ross 2010-7-7 138 Riverside Palomar Mountains, Tule Valley, 0.1 miles north of Rogers Canyon, along Tule Peak Road 1291 Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  RSA735986  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-5-29 12040 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR217550  Chorizanthe parryi var. parryi Diane Menuz 2008-3-24 377 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  JOTR35040  Chorizanthe rigida La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3493 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UCR177642  Chorizanthe staticoides S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR79490  Chorizanthe staticoides Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approximately 1 mi 534 Comment
  UCR36097  Chorizanthe xanti R. F. Thorne 1983-4-23 55494 Riverside San Bernardino Mtns, Sandy wash along Whitewater River where road crosses river below fish hatchery, c. 4 mi north of Whitewater Post Office 640 Comment
  UCR230194  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato 2011-4-29 39357 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCSB16204  Chrysolepis sempervirens Barrick, Linda 1963-5-4 Riverside near Black Mountain Public Campground, 7 mi. N of Banning- Idyll- wild Road via Black Mountain Road 2133 Comment
  RSA125856  Chrysothamnus nauseosus subsp. bernardinus E. K. Balls, Percy C. Everett 1957-11-6 22793 Riverside Vanderventer Flat, State Hwy 74, 1402 Comment
  POM352018  Chrysothamnus paniculatus L. C. Wheeler 1933-12-1 2288 Riverside 2 miles E Cabazon, San Gorgonio Pass 640 Comment
  RSA696806  Chrysothamnus paniculatus J. Russell Bruff 1927-11-24 8 Riverside Whitewater. Comment
  UC310587  Chylismia brevipes subsp. brevipes Philip A. Munz 1926-1-31 9950 Riverside Dos Palmos Spring Colorado Desert Comment
  SBBG100298  Chylismia claviformis W. L. Halvorson 1977-2-15 77 -28 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  CAS-BOT-BC160606  Chylismia claviformis subsp. aurantiaca Lewis S. Rose 1937-4-10 37178 Riverside Indio - Blythe Road, 26 mi. E. of Indio 457 Comment
  CAS-BOT-BC160616  Chylismia claviformis subsp. aurantiaca Robert F. Thorne 1963-3-29 32379 Riverside Ca. 7 - 8 miles E of Mecca, Mecca Hills 152 Comment
  UCR101356  Cirsium occidentale var. californicum A. C. Sanders 1997-4-10 20324 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA466523  Cistanthe ambigua Anstruther Davidson 1920-04 s.n. Riverside Mecca Comment
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Oct 26 2009
  POM226887  Cistanthe monandra L. R. Abrams 1935-4-7 13670 Riverside Gavilan Hills, 2 mi. SW. of Perris. Comment
  UCR127552  Clarkia purpurea A. C. Sanders, T. B. Salvato 2003-5-21 26800 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR48231  Clarkia purpurea R. F. Thorne, E. W. Lathrop 1975-5-25 45559 Riverside Santa Rosa Plateau, Santa Ana Mtns., Rancho California, Mesa de Burro 610 Comment
  CAS-BOT-BC172565  Clarkia purpurea subsp. purpurea A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Tmn., edge of Crown Valley on E side of Rawson Canyon 670 Comment
  RSA500545  Clarkia purpurea subsp. quadrivulnera Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3618 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA575079  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, upper Dawson canyon. 329 Comment
  CLARK-A1528-2657  Clarkia rhomboidea Pam Maynard 1974-5-27 Riverside Mount San Jacinto 1280 Comment
  CSUSB249  Clarkia unguiculata Pam Maynard 1974-5-16 Riverside Fairmount Park in city of Riverside. On the southern border of the park, on a dry slope. 603 Comment
  RSA802419  Claytonia parviflora Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5020 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR156352  Claytonia parviflora T. B. Salvato, Kent Beaman 2005-5-16 877 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
  UCR228882  Claytonia parviflora A. C. Sanders 2011-4-6 39020 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
  RSA0019616  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  POM13303  Claytonia parviflora subsp. tenuifolia E. C. Jaeger 1921-6-21 106 Riverside Idyllwild. Comment
  UCR35072  Claytonia perfoliata subsp. perfoliata L. B. Ziegler 1969-5-15 357 Riverside San Jacinto Mtns., Hemet Valley 1418 Comment
  SD143771  Clematis lasiantha A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20675 Riverside San Jacinto Mountains: N side of range, 0.2 mi. N of Twin Pines Ranch Road. On the dirt road to Brown Crk and Cabazon 1098 Comment
  SD129277  Clematis ligusticifolia J. Hirshberg 1989-7-25 Riverside Butterfield country, SW of Vail Lake Comment
  JEPS48925  Clematis pauciflora W. L. Jepson 1939-4-19 19209 Riverside 3 mi. s. Aguanga 731 Comment
  UCR104180  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR107383  Clematis pauciflora B. G. Pitzer 1997-3-23 2959 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCSB9195  Clematis pauciflora Eater, John 1966-3-18 Riverside Lower San Juan Campground; 16.8 miles east on Route 74 off of US 101 Comment
  POM230623  Cleome isomeris I. W. Clokey 1935-4-17 6641 Riverside Cottonwood Springs. Comment
  CLARK-A1528-7855  Coldenia canescens John C. Roos 1949-4-11 4243 Riverside Eagle Mountains Comment
  JOTR30956  Coleogyne ramosissima La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1931 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SD143712  Collinsia concolor Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20667 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740 1067 Comment
  RSA0117462  Collinsia concolor F. W. Peirson 1921-5-19 3040 Riverside Rocky slope not far from floor of Hemet Valley. 1341 Comment
  SBBG47467  Collinsia heterophylla N. C. Cooper 1944-6-16 1429 Riverside Pine Cove 1524 Comment
  UC463076  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside n Mecca-Blythe road (in canyons at se end of mountains); Eagle Mts. Comment
  UCR43233  Commelina benghalensis I. Lazcano F. 1986-5-14 s.n. Riverside U.C. Riverside Campus, vegetable gardens in the Family Housing area. Comment
  UCR207235  Conium maculatum O. F. Clarke 2007-4-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR175216  Convolvulus arvensis Teresa Nieto 2005-4-24 14 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM319726  Conyza canadensis Patricia Wilder 1970-10-30 4822 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  UCR242667  Cordylanthus nevinii A. C. Sanders 2013-7-6 40848 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  RSA314649  Coreopsis bigelovii R. F. Thorne, Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55487 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA550023  Coreopsis bigelovii Walter Wisura, A. King, L. Newcomb 1992-4-10 4674 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  POM305808  Coreopsis californica Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1051 Riverside Corona-Elsinore. Comment
  POM8240  Coreopsis californica P. A. Munz, R. D. Harwood 1920-3-20 3385 Riverside Temescal Canyon. 366 Comment
  LA205802  Corethrogyne filaginifolia Elizabeth McClintock; 1936-7-20 Riverside San Jacinto Mountains, Idyllwild Comment
  POM356107  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  RSA762735  Corethrogyne filaginifolia Patrick Garrett, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 76 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC485372  Corethrogyne filaginifolia F. M. Reed 1905-9-25 235 Riverside Arroyo Tequisquit [in Riverside] Comment
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Mar 10 2011
  UC63197  Corethrogyne filaginifolia H. M. Hall Riverside Riverside Comment
  UCD130863  Corethrogyne filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, around 5 miles due south of Sun City. 470 Comment
  UCSB6469  Corethrogyne filaginifolia Kamb, Peter 1949-10-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CDA21779  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA736242  Cotula coronopifolia Scott D. White, Jonathan Campbell 2008-4-18 11896 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UCR266333  Crassula aquatica D. E. Bramlet 1992-4-15 2230 Riverside Perris-Aguanga Basin Region, west of Hemet, west of Warren Rd. 457 Comment
  RSA586295  Crassula connata D. L. Banks, S. D. Boyd 1995-5-3 0205 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR150443  Crassula connata John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR167077  Crassula connata Scott D. White 2005-3-29 10844 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR174942  Crassula connata Jennifer H. Jones, Toby Bartels 2006-4-23 282 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  RSA359856  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  OBI37523  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Keith Rd, just E of the Bear Crk development golfcourse Comment
  SEINET238506  Cressa truxillensis A. C. Sanders, Mihai Costea; D Bramlet T Salvato 1999-10-15 23182 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1 mile W of Jackrabbit Trail on Gilman Spg Rd. 0.4 mi. W of Quail Lake G 436 Comment
  UC72144  Cressa truxillensis Miss M. Alice King May, 1893 Riverside Elsinore Comment
  CAS-BOT-BC175807  Crossosoma bigelovii Edmund C. Jaeger 1925-3-1 s.n. Riverside Snow Creek, San Jacinto Mts. 609 Comment
  NY268562  Crossosoma bigelovii T. Labouchere 1915-4-15 3315 Riverside San Jacinto Mountain. Comment
  UC536862  Crossosoma bigelovii M. C. Jones 1934-2-18 Riverside Whitewater Canyon Colorado Desert Comment
  SD2813  Croton californicus Ruth B. Randall 1926-2-22 66 Riverside Whitewater Pass. 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
  UCR115999  Croton californicus A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23320 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  RSA38278  Croton californicus var. tenuis P. A. Munz 1946-10-18 11561 Riverside Round-top hill northwest of Aguanga. 793 Comment
  UCR167678  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-23 1287 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  CDA1924  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Vail lake area, conflence of Kolb Creek with lake. Comment
  UCR126933  Crypsis schoenoides Julie A. Greene 1993-6-11 1334 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north of new pond 441 Comment
  RSA89903  Crypsis vaginiflora J. C. Roos 1952-6-4 5735 Riverside San Jacinto River bottomland 1.5 miles SE of Perris. 427 Comment
  SEINET7909563  Cryptantha D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  SEINET6971882  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CLARK-A1656-800  Cryptantha angustifolia Theo Glenn 1982-4-18 Riverside Painted Canyon Comment
  CSUSB1580  Cryptantha angustifolia I. G. Rauch 1968-4-9 S. N. Riverside Palm Desert Palm Desert, Dead Indian Creek Wash Comment
  POM13681  Cryptantha angustifolia E. C. Jaeger 1922-3-18 1029 Riverside Painted Canyon, Riverside County Comment
  RSA799878  Cryptantha angustifolia Scott D. White, Robert Black 2011-2-25 13388 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SEINET235768  Cryptantha angustifolia Scott D. White 1998-2-9 6082 Riverside Coachella Valley La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 30 Comment
  UCR101576  Cryptantha angustifolia 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
  RSA0040032  Cryptantha angustifolia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  RSA0106707  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-9 757 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  SD126018  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area,12 miles above the Coachella Canal in a wash east of the gasline road from Niland 550 Comment
  UCR86857  Cryptantha barbigera A. C. Sanders, K. C. Rose 1995-4-27 16738 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
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR279559  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-29 43179 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCR260836  Cryptantha barbigera var. fergusoniae A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41517 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  UCR214565  Cryptantha costata A. C. Sanders 2010-3-15 37407 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
  UCR232396  Cryptantha costata Dave Silverman 2010-3-23 7819 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  CAS-BOT-BC218759  Cryptantha holoptera John Thomas Howell 1928-3-24 3529 Riverside Painted Canyon [Canon], Colorado Desert Comment
  RSA776684  Cryptantha holoptera Duncan S. Bell, Amanda Turek 2010-4-10 799 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA500070  Cryptantha intermedia Steve Boyd 1989-4-2 3241 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA559328  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7414 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. 670 Comment
  SBBG34718  Cryptantha intermedia T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UCR110959  Cryptantha intermedia George K. Helmkamp 1998-6-27 4094 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
  UCR16162  Cryptantha intermedia Tony Beck 1968-4-28 680428- 9 Riverside San Bernardino Mtns/ Colorado Desert, one-half mi. south of fish pond in Whitewater Canyon, near where river crosses the road. Comment
  UCR165911A  Cryptantha intermedia T. B. Salvato, John F. Green 2004-5-27 551 A 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
  UCR265823  Cryptantha intermedia Mitch Provance 2012-5-24 512- 04 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR275276  Cryptantha intermedia T. B. Salvato, Gregg Miller 2005-6-7 1458 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCR47759  Cryptantha intermedia F. R. Fosberg 1929-5-3 S- 01058 Riverside Peninsular Range, Temecula River, c. 10 mi above Temecula Comment
  UCR84652  Cryptantha intermedia Scott D. White 1994-4-21 1949 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SDSU21863  Cryptantha juniperensis A. C. Sanders, T. B. Salvato 2012-4-27 40087 Riverside Peninsular Range; Santa Ana Mtns. Region; Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  POM13224  Cryptantha maritima E. C. Jaeger 1921-04 1126 Riverside Box Canyon, Colorado Desert. Comment
  POM14239  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-9 4755 Riverside Shavers Well, near Mecca. 76 Comment
  UCR103573  Cryptantha maritima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2742 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  UCR48382  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  POM98095  Cryptantha microstachys P. A. Munz 1925-5-19 9823 Riverside 2 miles west of Dripping Springs. 426 Comment
  UC1595614  Cryptantha muricata Steve Boyd 1991-5-20 6276 Riverside nw of Lake Elsinore (Lower Rice Canyon, just inside Cleveland National Forest boundary); Santa Ana Mountains, Lower Rice Canyon 573 Comment
  UCR157648  Cryptantha muricata A. C. Sanders 1994-5-29 14574 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA499703  Cryptantha muricata var. jonesii Christopher Davidson, Robert Gustafson 1977-4-7 5578 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. 610 Comment
  POM46805  Cryptantha nevadensis Mary F. Spencer 1920-4-4 1525 Riverside Mouth of Tahquitz Canyon. 213 Comment
  POM305855A  Cryptantha oxygona Henry J. Ramsey, Henry J. Ramsey 1938-4-23 1165 -A Riverside Santa Rosa Mtns. Comment
  RSA0079266  Cryptantha pterocarya var. pterocarya J. D. Olmsted 1958-3-30 89 Riverside A few miles north of southern entrance to Joshua Tree National Monument on Cottonwood Pass Road. 838 Comment
  JEPS67901  Cryptantha utahensis Marjorie D. Clary 1933-3-26 2073 Riverside Ebbens Creek Wash Santa Rosa Mountains 304 Comment
  UCR175176  Cryptantha utahensis Jim Andre 2006-4-26 6765 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
  RSA0048447  Cucurbita palmata A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mountains. 640 Comment
  UC1134206  Cupressus forbesii H. E. Norton 1931-3-20 40 A Riverside 4 mi se Corona; Corona Quad. 457 Comment
  POM3644  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  LA210098  Cuscuta californica var. papillosa A. M. Johnson; 1933-4-28 4124 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  UCR35150  Cuscuta californica var. papillosa L. B. Ziegler 1972-6-10 480 Riverside San Jacinto Valley, [Santa Rosa ] hills on south side of valley (W of Ramona Bowl) Comment
  UCR24269  Cycloloma atriplicifolium John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Indio Comment
  UC172818  Cylindropuntia bigelovii S. R. Vasey Feb. 1881 Riverside White Water Comment
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Nov 29 2010
  RSA0083636  Cylindropuntia ganderi Lyman Benson 1955-12-6 15627 Riverside San Jacinto Mountain Range. Pines-to-Palms Highway. 1220 Comment
  JEPS66893  Cylindropuntia ramosissima W. L. Jepson 1928-4-25 12622 a Riverside Cottonwood Spr. n. Colorado Desert, Cottonwood Mts. 731 Comment
  SDSU2277  Cymopterus panamintensis var. acutifolius D. F. Howe 1966-4-6 4162 Riverside Near entrance to Joshua Tree National Monument. 823 Comment
  UCR211701  Cyperus difformis Fred M. Roberts, Michelle Balk 2006-8-24 6402 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  POM153370  Cyperus odoratus Phillip A. Munz, I. M. Johnston 1928-9-12 11244 Riverside North end of Lake Elsinore. Comment
  RSA736764  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR277724  Cyperus odoratus Mitch Provance 2012-11-3 1112- 07 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  CAS-BOT-BC70570  Cystopteris fragilis H. E. Hasse 1903-7-1 s.n. Riverside Tahquitz Valley, San Jacinto Mt. Comment
  CAS-BOT-BC70571  Cystopteris fragilis Geo. B. Grant 1901-8-1 464 Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  CLARK-A1528-2767  Dalea emoryi John C. Roos 1966-5-2 Riverside Palm Springs Comment
  CLARK-A1528-5057  Dalea emoryi Christopher L. Moser 1981-12-27 Riverside Cathedral City Comment
  RSA684338  Dalea mollis Scott D. White, Michael Honer 2003-4-18 9037 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  RSA793415  Dalea mollis Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3958 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  SD51744  Dalea mollis Peter M. Ray 1949-3-6 1327 Riverside Willis Palms, near 1000 Palms, Coachella Valley Comment
  UC1563095  Dalea mollis Steve Boyd and Orlando Mistretta 1986-3-13 1428 Riverside n.e. Desert Center (juction of Parker Dam Rd. and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges)); Palen Mts. 243 Comment
  UCR34324  Dalea mollis P. Shaw, Jeanine Derby 1984-2-6 s.n. Riverside Sonoran (Colorado) Desert, 10 mi. NW of Blythe along the Midland Road Comment
  CHSC99048  Dalea mollissima LeRoy Gross 2005-3-3 1558 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  POM310161  Dalea mollissima Hulda Crooks 1946-3-2 269 Riverside Palm Springs area. 139 Comment
  SD27946  Dalea mollissima Carl B. Wolf 1932-4-27 2994 Riverside 14 miles east of Mecca, on Blythe Road. 500 Comment
  UC863725  Dalea mollissima C. L. Hitchcock 5846 Riverside ca. 12 mi. e. Indio Comment
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Oct 16 2011
  UCR245246  Dalea mollissima Jim Andre 2012-3-19 21339 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  UCR61938  Dalea mollissima C. B. Wolf 1932-4-27 02994 Riverside Western Colorado Desert, 14 mi. east of Mecca, on Blythe Road, east of Shavers Well 152 Comment
  SEINET10871076  Dalea spinosa David B. Dunn, A. Folsom 1948-6-17 Dunn 3803 Riverside By quad 2. At camp in pushawalla canyon under palms. Desert dry wash indio Hills. Colorado desert. Comment
  POM13632  Dasyochloa pulchella E. C. Jaeger 1921-3-28 1042 Riverside Redrock Canyon, 15 miles east of Mecca Comment
  SEINET6421148 Image available Datisca glomerata Victor Duran 1933-1 3494 Riverside Near Santa Rosa, Santa Rosa Mountains 1829 Comment
  RSA587429  Daucus pusillus D. L. Banks, S. D. Boyd 1995-6-2 573 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  UCR152646  Daucus pusillus A. C. Sanders 2005-4-22 29583 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA674653  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  RSA0012175  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UCR266426  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4403 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  RSA444458  Delphinium cardinale J. C. Roos 1965-6-19 s.n. Riverside Hagador Canyon: Skyline Drive south of Corona. Comment
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May 21 2011
  RSA68780  Delphinium parishii F. W. Peirson 1928-4-24 7897 Riverside Cottonwood Springs, northern Colorado Desert Comment
  UCR88425  Delphinium parishii A. C. Sanders, K. C. Rose 1995-4-5 16345 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA0018981  Delphinium parishii subsp. parishii Harlan Lewis, M. Lewis 1946-8-21 596 Riverside Mouth of Tanquitz Canyon Comment
  UC1031430  Delphinium parryi H. Lewis 1941-7-7 Riverside Lake Hemet Comment
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Mar 24 2011
  UCR213831  Delphinium parryi Scott D. White, Justin M. Wood 2009-5-21 12846 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCSB1997  Delphinium parryi Hand, B. 1960-5-15 Riverside 7 miles from Banning-Idyllwild turnoff on highway 70-99 south Comment
  RSA585725  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 396 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR243170  Dendromecon rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4336 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
  SD140226  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet; along south side of Devonshire ave, between Old Warren and Warren roads; southwest of Tres Cerritos and north of Florida ave (highway 74) 459 Comment
  POM178372  Deschampsia danthonioides var. gracilis P. A. Munz 1941-5-18 16645 Riverside About 15 miles northeast of Temecula. Comment
  CAS-BOT-BC201724  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mt. 2438 Comment
  UCR2321  Deschampsia elongata F. M. Reed 1928-6-18 6138 Riverside Peninsular Range; Temescal [Santa Ana] Mountains, Main Street Canyon, south of Corona 579 Comment
  UC1126776  Descurainia pinnata H. S. Yates 1937-3-23 6391 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  RSA433553  Dicentra chrysantha M. M. Thompson 1947-6-19 c- 2082 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA367458  Dichelostemma capitatum subsp. capitatum Ora M. Clark 1929-2-23 1511 Riverside South Cabazon. Comment
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Mar 13 2011
  SD73605  Dichelostemma capitatum subsp. capitatum Helen V. Witham 1970-5-1 859 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  UCR215508  Dichelostemma capitatum subsp. capitatum Daphne K. Christopher, Hannah I. Stevens 2003-4-3 082 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR21975  Dichelostemma capitatum subsp. capitatum Steve Boyd 1980-5-5 205 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  CLARK-A1528-12  Dichelostemma pulchellum C. M. Flanagan 1973-5-20 OO 505 Riverside Morongo Indian Reservation 1188 Comment
  SEINET156510  Dichelostemma pulchellum Norman C. Cooper 1944-4-8 1093 Riverside Andreas Canyon. 457 Comment
  RSA501037  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3158 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CLARK-A1528-2155  Dicoria canescens John C. Roos 1956-12-15 6605 Riverside Palm Springs 243 Comment
  POM356427  Dicoria canescens C. S. wasters 1909-6-20 s.n. Riverside Palm Springs. Comment
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Oct 10 2009
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  RSA93922  Dicoria canescens F. W. Peirson 1924-12-30 5425 Riverside Thousand-Palms Canyon, edge of Coachella Valley. 122 Comment
  CAS-BOT-BC292246  Dieteria asteroides var. asteroides Ted Hutchinson 1953-10-20 18703 Riverside Along U.S. Hwy 60/70 near Desert Center Comment
  OBI4098  Dieteria asteroides var. asteroides Donald Myrick 1969-10-20 2127 Riverside Near Mt. San Jacinto College, San Jacinto Comment
  RSA688840  Dimorphotheca sinuata Scott D. White, Michael Honer 2003-6-17 9550 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  CAS-BOT-BC150929  Diplacus bigelovii var. bigelovii H. M. Hall 1905-5-1 6011 Riverside Cottonwood Springs 670 Comment
  CHSC97907  Diplacus bigelovii var. bigelovii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1417 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Corn Springs Campground in the Chuckwalla Moutains. Canyon southwest of Campground. Near 33deg37'32'N, 115deg19'35'W elevation 1574 ft to 33deg36'52'N, 115deg19'54'W, elevation 1800 feet. 479 Comment
  RSA0019278  Diplacus brevipes Robert L. Rutherford 1944-5-21 1222 Riverside San Jacito Mtns. West Side. 915 Comment
  CAS-BOT-BC153099  Diplacus fremontii Wesley Griesel 1962-6-29 s.n. Riverside Dork Canyon, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC150679  Diplacus longiflorus Carl B. Wolf 1932-5-24 3657 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1 mi. above fish hatchery 792 Comment
  RSA0018425  Diplacus longiflorus var. calycinus Carl B. Wolf 1931-5-11 1960 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  LA12291  Distichlis spicata A. M. Johnson; 1937-11-26 110 Riverside Gilman Hot Springs Comment
  RSA717588  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
  SEINET3928472  Distichlis spicata R. L. Piemeisel 1913-5-25 3666 Riverside Crestmore field.; 0 Comment
  UCR116682  Distichlis spicata A. C. Sanders, Chet McGaugh 2001-7-26 24474 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR121096  Distichlis spicata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24966 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR121896  Distichlis spicata Ian G. Gillespie 2001-5-7 79 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR2331  Distichlis spicata var. stricta H. J. Webber 1918-6-9 40 Riverside Alkali land NE of Riverside Comment
  UCR114113  Ditaxis lanceolata B. G. Pitzer, J. Ross 1998-3-8 3609 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  JEPS24422  Ditaxis neomexicana Peter M. Ray 1949-3-12 1359 Riverside North side of Coachella Valley; 2 miles west of Whitewater 457 Comment
  UCR139721  Ditaxis neomexicana B. G. Pitzer 1989-4-16 1293 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  RSA607585  Dithyrea californica R. S. Woglum 1939-4-11 2204 c Riverside Sonora Desert: Desert Center. Comment
  RSA697423  Dithyrea californica J. R. Bruff 1927-3-12 2 -R Riverside Fingal Comment
  CAS-BOT-BC129969  Dodecatheon redolens H. M. Hall 1901-7-1 2335 Riverside Vicinity of Deer Springs Comment
  UCR222311  Downingia bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA342815  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51982 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA776087  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 819 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  CLARK-A1528-2315  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside Reche Canyon 548 Comment
  SEINET12005542  Draba cuneifolia var. integrifolia H. M. Hall 1903-1 3804 Riverside vicinity of Riverside 610 Comment
  SEINET784712  Drymocallis glandulosa var. viscida Malcolm G. McLeod 1971-6-22 462 Riverside Idyllwild Comment
  UC527311  Drymocallis glandulosa var. viscida C. B. Wolf 1931-5-11 1961 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek 1676 Comment
  RSA33796  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  RSA689552  Dudleya lanceolata Scott D. White, Michael Honer 2003-4-25 9121 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR252199  Dudleya lanceolata Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  UCR43423  Dudleya saxosa B. G. Pitzer 1986-5-24 0251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  JOTR30636  Dudleya saxosa subsp. aloides La Doux, Tasha, Erin Babich 2008-4-21 1799 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  POM8382  Dyssodia porophylloides Mary F. Spencer 1918-4-8 510 Riverside Palm canyon. 183 Comment
  SEINET8060008 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 4 Riverside 3.8mi down Eagle Mt. Rd. off I-10. SE side of the road. 400 Comment
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  JOTR31007  Echinocereus triglochidiatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1292 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  UCR188891  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CLARK-A1528-202  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside 243 Comment
  UC219278  Elatine californica P. A. Munz and I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley San Jacinto Mts 1386 Comment
  POM14374  Eleocharis bella Phillip A. Munz 1922-5-20 5472 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA559350  Eleocharis bella Steve Boyd, Timothy S. Ross 1992-5-15 7392 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
  UC839180  Eleocharis macrostachya P. A. Munz and I. M. Johnston 1922-5-18 5323 Riverside 1/2 mi S of Lake Elsinore Comment
  RSA515312  Eleocharis palustris Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  CAS-BOT-BC203836  Elymus X hansenii J. C. Roos 1952-6-13 5765 Riverside Reche Canyon 457 Comment
  UCR231743  Elymus condensatus John F. Green 2008-4-23 08- 12 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR269247  Elymus condensatus Michael Wall 2011-8-5 611 Riverside Peninsular Range; San Jacinto Mountains, along Bautista Canyon Rd., confluence of unnamed canyon c. 1.5 miles SE of junction with Fairview Ave. 629 Comment
  UCR24988  Elymus elymoides A. C. Sanders 1980-7-18 1659 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR35300  Elymus elymoides L. B. Ziegler 1968-5-21 295 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  RSA769710  Elymus glaucus E. W. Lathrop 1973-6-28 7438 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC203642  Elymus glaucus subsp. glaucus S. B. Parish; W. F. Parish 1881-7-1 1014 Riverside San Jacinto Mts., Tahquitz Valley Comment
  RSA574565  Elymus glaucus subsp. glaucus Steve Boyd 1985-7-23 1016 -A Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  UCR95716  Elymus glaucus subsp. jepsonii D. L. Banks 1996-5-2 0943 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  JEPS86533  Emmenanthe penduliflora Roy E. Buck 1988-4-1 870 Riverside 7 air km W Lake Elsinore (town) (E-facing slope above CA Hwy 74, near top of grade W of Lake Elsinore, ca 2.0 air km NW of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  RSA682848  Emmenanthe penduliflora Scott D. White 2003-3-23 8841 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA679112  Emmenanthe penduliflora var. penduliflora M. Wall, Sean Wall 2003-4-26 307 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. Comment
  RSA757796  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4291 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  CAS-BOT-BC131163  Encelia actoni Lewis S. Rose 1935-12-21 35680 Riverside Cabazon 609 Comment
  RSA0067722  Encelia actoni Cheryl Sevilla, Sarah J. De Groot 2015-3-18 41 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 1.1 air miles north of the Whitewater Preserve Ranger Station; on the plain west of the Whitewater River drainage. 738 Comment
  SD229086  Encelia actoni Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 630 Riverside Mt. San Jacinto 1085 Comment
  SDSU3821  Encelia californica S. J. Barnhart 1966-4-17 660417 -17 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  CAS-BOT-BC131323  Encelia farinosa Javier Penalosa 1963-4-11 2806 Riverside Pines to Palms hwy. (#74) above Palm Desert 762 Comment
  LA202452  Encelia farinosa T. A. Geissman; 1966-3-12 31266 -EF Riverside Joshua Tree National Monument, S entrance Comment
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Sep 20 2013
  RSA770315  Encelia farinosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4405 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
  SBBG115966  Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside ca. 6.2 mi W of jct of Hwy St 78 and US Hwy 60-70, near Blythe Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UC1777705  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside near Blythe (6.2 miles west of junction of Hwy 78 and Hwy 60-70) Comment
  RSA0045282  Encelia farinosa Viki Cruz 1983-5-8 001 Riverside Just off Indian Trial[Trail] Road where the dirt road begins. Magnesha[Magnesia] Canyon, Santa Rosa Mts. Comment
  RSA0048487  Encelia farinosa A. Lee Haines 1962-4-17 s.n. Riverside S. entrance to Joshua Tree National Monument, south of Cottonwood Springs. 563 Comment
  POM41502  Encelia farinosa var. farinosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA192077  Encelia farinosa var. farinosa H. A. Zuill 1966-6-5 190 Riverside 1 mile SW of Murrieta on the Tenaja Grade. Comment
  RSA597528  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway ca. 0.45 mi. downhill from 3000 ft. marker. Rocky east facing slope 915 Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  RSA650256  Ephedra californica David B. Dunn 1948-1-25 3641 Riverside southeast of Banning Pass 1 mile S.E. of Cabazon. Comment
  SBBG54310  Ephedra californica C. Gustafson 1977-4-7 5575 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  UCR159203  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2005-8-31 31579 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
  UCR26293  Epilobium canum John C. Roos 1949-9-17 4661 Riverside Sonoran (Colorado) Desert, W side of Painted Hill. Near a seep in the palm oasis, in a side canyon on the right side of Whitewater Wash. 2.2 miles north of highway 99 610 Comment
  CHSC1162  Epilobium canum subsp. canum E. Thomas 1939-11-12 Riverside Glen Ivy. Comment
  RSA413258  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. 355 Comment
  RSA596149  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1197 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  CAS-BOT-BC171726  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  RSA799074  Epilobium canum subsp. latifolium Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6870 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UC1178499  Epilobium canum subsp. latifolium Peter Kamb 1948-10-31 1278 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA388400  Epilobium ciliatum subsp. ciliatum Robert F. Thorne 1985-7-18 61196 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon.Santa Rosa Island. W side of Tecolote Canyon, just S of Smith Highway. 534 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  SBBG60199  Epilobium ciliatum subsp. ciliatum M. Lewis 1947-8-26 3 Riverside Dark Cyn 1981 Comment
  POM13397  Epilobium densiflorum E. C. Jaeger 1922-8-25 1017 Riverside San Jacinto Mtns: Skunk-Cabbage Meadow. 2226 Comment
  POM3144  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-6-3 2377 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA381727  Epipactis gigantea N. C. Cooper 1944-4-8 s.n. Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  CAS-BOT-BC58049  Equisetum G. B. Grant 1901-1-1 s.n. Riverside Strawberry Valley, San Jacinto. Comment
  POM966  Equisetum arvense D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
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Sep 3 2011
  SDSU1959  Equisetum laevigatum Graham A. Cribbs 1962-7-28 116 Riverside Taken from meadow adjacent to Lake Hemet in the San Jacinto mountains. 1372 Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
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Jun 9 2011
  UCR88235  Eragrostis Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  CLARK-A1528-4637  Eragrostis cilianensis Alfred R. Roos 1927-9-22 10176 Riverside La Sierra Comment
  UCD63467  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside and vicinity. Santa Ana River bottom near Chinese Gardens. Comment
  RSA682319  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside San Jacinto Mts. N slope of mts.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing., (116 deg 48'W, 33 deg 53'N 854 Comment
  UCR25238  Eragrostis pectinacea var. pectinacea Alfred R. Roos 1937-8-17 10610 Riverside San Jacinto Comment
  RSA432676  Eremalche exilis N. C. Cooper 1949-4-8 3271 Riverside Mecca Pass east of Indio. 610 Comment
  UC187906  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; borders of Colorado Desert Comment
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Oct 27 2014
  RSA703742  Eremalche rotundifolia LeRoy Gross 2005-3-3 1566 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SFV7917  Eremalche rotundifolia T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1280 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCR196386  Eremalche rotundifolia Naomi Fraga, Lisa Rojas 2005-2-10 1408 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UC1931136  Eremogone macradenia var. macradenia Scott D. White, Justin Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). (Butterfly Peak). Comment
  JEPS122473  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  JOTR31166  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  RSA0123352  Eriastrum diffusum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9052 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
  UCR199829  Eriastrum eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11280 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  RSA0093001  Eriastrum eremicum subsp. eremicum Jim M. Andre 2012-4-11 20811 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UC449749  Eriastrum eremicum subsp. eremicum F. M. Reed 1917-5-19 3837 Riverside mesa s Palm Springs Village; Colorado Desert Comment
  UC52542  Eriastrum eremicum subsp. eremicum F. Gilman 1902-1 4 Riverside Palm Springs Comment
  RSA0120070  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1903-5-10 10252 Riverside Palm Spring. 61 Comment
  UC964727  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  UCR237492  Eriastrum harwoodii Duncan S. Bell 2011-4-7 2176 Riverside Sonoran (Colorado) Desert, northeast side of the Arica Mountains, c. 2.5 air mi northwest of Priests Well or c. 4.3 air mi southwest of the ghost town of Rice 339 Comment
  SEINET4042279  Eriastrum sapphirinum C. Davidson 1975-1 2807 Riverside 4 miles south of Banning on Road R1 to Idyllwild. 1127 Comment
  UCR21135  Eriastrum sapphirinum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR213862  Eriastrum sapphirinum Scott D. White, Justin M. Wood 2009-5-22 12932 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  UCR280913  Eriastrum sapphirinum subsp. dasyanthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 40 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA0121561  Eriastrum sapphirinum subsp. dasyanthum Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  OBI51901  Ericameria linearifolia David Charlton 1988-5-21 1911 Riverside Thomas Mountain Rd, from N to S. W of Garner Valley and s of Lake Hemet on hwy 74. 1676 Comment
  POM359407  Ericameria linearifolia Gary D. Wallace 1966-3-26 239 Riverside Whitewater Canyon on mesa 427 Comment
  CAS-BOT-BC299526  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Alberhill Mountain, lower south-facing slopes southeast of the clay mining area, Elsinore Basin Region 449 Comment
  JEPS20353  Ericameria palmeri var. pachylepis A. E. Wieslander 1929-1-25 Riverside n of Bautista Creek (w slope of San Jacinto Mts.); San Jacinto Mts. Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  SEINET7062959  Erigeron foliosus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  UCR96422  Erigeron foliosus Scott D. White 1996-8-1 4432 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC296236  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside Snow Creek Canyon just above fish hatchery, No. base of San Jacinto Mts. 670 Comment
  UCR3498  Erigeron foliosus var. foliosus Frances Miller 1964-6-5 M 6428 Riverside Box Springs Mtns, end of Big Springs Rd, just above railroad. 396 Comment
  CAS-BOT-BC296247  Erigeron foliosus var. foliosus Peter H. Raven; R. Snow 1957-7-26 11083 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  CLARK-A1528-61  Eriochloa acuminata John C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  UCR26265  Eriochloa contracta John C. Roos 1963-8-10 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley, Blythe 82 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
  RSA455012  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, Santa Rosa Mts. 1317 Comment
  UC748986  Eriodictyon crassifolium Susan Delano McKelvey 1935-12-3 5027 Riverside Palms to Pines Highway top of divide leading down to Hemet; San Jacinto Mts., Palms to Pines Highway Comment
  CAS-BOT-BC189123  Eriodictyon crassifolium var. crassifolium H. M. Hall 1897-5-19 561 Riverside Hemet Comment
  UCR230933  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Richard Camacho 2011-6-12 5490 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  SBBG65116  Eriodictyon crassifolium var. nigrescens V. Duran 1933-7-1 3489 Riverside near Santa Rosa 1676 Comment
  CAS-BOT-BC248638  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA393465  Eriogonum davidsonii M. B. Dunkle 1934-6-18 3999 Riverside Head of San Juan Canyon. 549 Comment
  SEINET253257  Eriogonum davidsonii Susan G. Stokes 1933-7-1 76 Riverside Beside road to Idyllwild. Comment
  RSA701043  Eriogonum deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11288 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  CAS-BOT-BC256125  Eriogonum deflexum var. deflexum Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13258 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi. above Midland P.O. Comment
  POM14218  Eriogonum deflexum var. deflexum P. A. Munz, D. D. Keck 1922-4-9 4778 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  RSA517915  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1333 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. 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
  RSA0060578  Eriogonum fasciculatum var. fasciculatum Bob Rogers 1984-4-14 4 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  CAS-BOT-BC249958  Eriogonum fasciculatum var. foliolosum J. F. Emmel 1969-6-21 169 Riverside Idyllwild, along Double View Drive, San Jacinto Mts. Comment
  RSA393430  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1576 Riverside Banning. 701 Comment
  RSA500168  Eriogonum fasciculatum var. foliolosum Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3659 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  UCR172259  Eriogonum fasciculatum var. foliolosum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA648261  Eriogonum fasciculatum var. polifolium Margaret Murphy 1983-5-15 0022 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UC849424  Eriogonum fasciculatum var. polifolium I. Johnston 1917-6-5 1240 Riverside hills s Arlington 365 Comment
  UC85999  Eriogonum fasciculatum var. polifolium M. M. Miles April 1891 Riverside San Jacinto Comment
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Oct 27 2011
  RSA737124  Eriogonum gracile var. incultum Justin M. Wood 2008-10-15 190 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC257573  Eriogonum inflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA338172  Eriogonum maculatum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53580 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA487226  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6613 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 Comment
  RSA393383  Eriogonum nidularium Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  UCR281911  Eriogonum nidularium A. C. Sanders, Jim Malusa 2017-9-19 43343 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.35 km SW (214 deg. ) of Tabaseca Tank 693 Comment
  CAS-BOT-BC269779  Eriogonum nudum var. pauciflorum Geo. B. Grant No date on label s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA66014  Eriogonum nudum var. pauciflorum F. W. Peirson 1924-7-29 5035 Riverside Banning to Idyllwild Rd. 1555 Comment
  SFV20147  Eriogonum nudum var. pauciflorum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .1 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  SD22473  Eriogonum palmerianum Susan G. Stokes 1933-7-1 Riverside Road to Idyllwild, sandy flat near road 762 Comment
  UCR24320  Eriogonum plumatella John C. Roos 1943-10-17 2742 Riverside Sonoran (Colorado) Desert, Dry Morongo Wash 671 Comment
  JOTR36475  Eriogonum pusillum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3409 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
  OBI2690  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Cyn along E periphery Comment
  UCSB18199  Eriogonum pusillum Smalley, G. 1964-5-10 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  JOTR30124  Eriogonum reniforme La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1688 Riverside Joshua Tree National Park. Stop #3= Northwest end of Eagle Mtns., near road heading to Cottonwood 898 Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  POM2312  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Near Palm Springs. Comment
  RSA424961  Eriogonum thomasii M. B. Dunkle 1932-3-25 2904 Riverside Cathedral Canyon Comment
  RSA644221  Eriogonum thomasii Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1368 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  SD103946  Eriogonum thomasii J. L. S. Simpson 1968-3-21 Riverside Near Amboy Crater Comment
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Mar 17 2014
  UC634999  Eriogonum thomasii H. L. Mason 1928-3-10 4190 Riverside White Water River Comment
  CAS-BOT-BC262876  Eriogonum thurberi John Thomas Howell 1931-6-4 6646 Riverside San Gorgonio Pass Comment
  UC535090  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside s Palm Springs Comment
  UCR275140  Eriogonum trichopes Aaron C. Sedgwick, David Fraker 2012-4-24 002 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  RSA65992  Eriogonum umbellatum subsp. munzii F. W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp 1799 Comment
  CAS-BOT-BC264935  Eriogonum wrightii var. membranaceum James L. Reveal; Caroline G. Reveal 1972-8-9 2863 Riverside Along California Highway 243 at the turnoff to Fern Basin, opposite Alandale Ranger Station, about 5.5 miles north-northwest of Idyllwild, San Jacinto Mountains Comment
  RSA246  Eriogonum wrightii var. membranaceum J. T. Howell 1927-8-2 556 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  SD232307  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Peninsular Ranges: San Jacinto Mountains region: Southern spur of Pine Meadow, SE of Highway 371, NW of Santa Rosa Summit; Survey north side of Highway 74. 1477 Comment
  SEINET10854353  Eriophyllum ambiguum A. K. Evans 1976-4-13 Evans 5202 Riverside Desert canyons of Santa Rosa Mountains Comment
  POM54680  Eriophyllum confertiflorum L. R. Abrams 1901-5-20 15713 Riverside Elsinore. Comment
  RSA33498  Eriophyllum confertiflorum Norman C. Cooper 1944-5-7 1184 Riverside Banning 701 Comment
  RSA651121  Eriophyllum confertiflorum Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  POM230230  Eriophyllum multicaule I. W. Clokey 1933-4-18 6987 Riverside Gavilan [Peak] 600 Comment
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Oct 30 2011
  UC891163  Eriophyllum multicaule Marcus E. Jones, A. M. 1882-4-25 3173 Riverside San Jacinto Comment
  CAS-BOT-BC302037  Eriophyllum wallacei Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CLARK-A1528-1111  Eriophyllum wallacei Charles S. Papp 1965-5-1 816 Riverside San Jacinto River 609 Comment
  SEINET7063220  Eriophyllum wallacei A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR100039  Eriophyllum wallacei Scott D. White 1994-4-23 2048 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCSB25176  Eriophyllum wallacei Wilken, Dieter 1967-6-19 Riverside Riverside County Rd. 1 about 1 miles south of Idyllwild in the San Jacinto Mtns. 1615 Comment
  RSA736645  Erodium botrys Scott D. White, Angelia Carey 2004-4-5 10030 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA612816  Erodium brachycarpum D. L. Banks 1997-3-1 1353 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
  RSA652317  Erodium cicutarium G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  CAS-BOT-BC421492  Erodium moschatum L. Nye; G. Gust 2005-3-11 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA716188  Erodium moschatum Scott D. White, Angelia Carey 2004-4-5 10037 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  POM13597  Erodium texanum E. C. Jaeger 1921-3-7 24 Riverside Martinez, Salton Sink. -60 Comment
  RSA507947  Erysimum capitatum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  POM261825  Erysimum capitatum var. capitatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles from Pinyon Flat public camp on road to Hemet on State Highway 74. Comment
  RSA433687  Eschscholzia californica H. Twining 1890-03 s.n. Riverside Riverside Comment
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Oct 27 2011
  RSA524429  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4125 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR216404  Eschscholzia californica Mike Bell 2008-4-27 017 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 558 Comment
  CAS-BOT-BC83140  Eschscholzia minutiflora Richard Snow 1952-4-13 7 Riverside Box Canyon, Orcopia Mountains. Comment
  JEPS121460  Eschscholzia minutiflora Adam C. Schneider with Will Freyman 2014-2-16 404 Riverside East side of Highway 177. Comment
  RSA0023129  Eschscholzia minutiflora M. Wall 2008-4-26 453 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  SD48468  Eschscholzia papastillii P. C. Everett, E. K. Balls 1958-4-29 23013 Riverside U. S. Highway 60/70, Indio to Blythe, 1.0 mile west of Cactus City. 548 Comment
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Mar 20 2011
  UCD96467  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 261 Riverside California. Riverside County: Joshua Tree National Park. 540 Comment
  CAS-BOT-BC419644  Eschscholzia parishii S. B. Parish 1907-4-1 6103 Riverside Whitewater, Colorado Desert Comment
  RSA480087  Eschscholzia parishii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UC1713556  Eschscholzia parishii Charlotte M. Wilder March 1906 25 Riverside Shaver's Well Wash Colorado Desert Comment
  UCR147669  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11222 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
  SDSU13824  Eucalyptus camaldulensis W. Miller with C. Mosse Riverside Comment
  RSA221008  Eucrypta chrysanthemifolia E. W. Lathrop 1966-5-23 6088 Riverside 6 miles West of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR158524  Eucrypta chrysanthemifolia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30048 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
  LA209968  Eucrypta chrysanthemifolia var. chrysanthemifolia H. L.; 1935-2-21 Riverside Reche Canyon 548 Comment
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Mar 22 2014
  UCR199741  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  UCR216395  Eucrypta chrysanthemifolia var. chrysanthemifolia Mike Bell 2008-3-30 027 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR269920  Eucrypta chrysanthemifolia var. chrysanthemifolia Daphne K. Christopher, Hannah I. Stevens 2003-4-4 090 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR3345  Eucrypta chrysanthemifolia var. chrysanthemifolia T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on S fork of road 762 Comment
  JEPS1700  Eucrypta micrantha L. M. Newlon 1933-4-4 453 Riverside Palm Canyon; San Jacinto Mts. Comment
  RSA0121597  Eucrypta micrantha Duncan S. Bell, LeRoy Gross 2016-3-29 9105 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  RSA152148  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 s.n. Riverside Dark Canyon; San Jacinto Mountains. Comment
  CAS-BOT-BC310320  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  RSA792560  Euphorbia eriantha Duncan S. Bell 2012-9-13 4187 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
  UCR111584  Euphorbia maculata Mitch Provance 1999-1-23 1742 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  UCR211499  Euphorbia micromera Jim Andre, T. La Doux 2008-9-13 10266 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UCR256713  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3111 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  JOTR35059  Euphorbia polycarpa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3511 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR166542  Euphorbia polycarpa Scott D. White, Jennifer H. Jones 2005-4-12 10874 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR201604  Euphorbia polycarpa Justin M. Wood 2008-11-17 228 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR213504  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37810 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
  UCR223973  Euphorbia polycarpa A. C. Sanders 2011-3-23 38800 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  OBI14406  Euphorbia polycarpa var. hirtella Robert F. Hoover 1966-10-15 10157 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  UCD142857  Euphorbia setiloba Lewis S. Rose 1967-12-19 67178 Riverside La Quinta. 15 Comment
  SD187366  Euthamia occidentalis Scott D. White, Angelia Carey 2004-9-16 10758 Riverside Indian Creek watershed, above confluence with San Jacinto river. 579 Comment
  RSA123084  Fagonia laevis H. S. Yates 1936-4-7 5445 Riverside 8 mi. N of Mecca. 457 Comment
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Dec 15 2011
  RSA391196  Fagonia laevis Robert Gustafson 1981-4-7 2157 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA4882  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road. 152 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
  SBBG3963  Fagonia laevis H. and M. Dearing 1936-12-25 966 Riverside 10 mi N of Indio on Aqueduct Rd [Long Cyn] Comment
  SBBG67802  Fagonia laevis L. Rowntree 1930-5-8 Riverside near Palm Springs Comment
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Aug 27 2011
  UCR85246  Fagonia laevis A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15985 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA0009994  Fagonia laevis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA77845  Fagonia pachyacantha F. W. Peirson 1922-4-12 2889 Riverside along boulevard, 18 mi. southeast of Coachella. Comment
  VVC517  Fagonia pachyacantha A. C. Sanders, J. Mac 1995-3-12 16083 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CLARK-A1528-4656  Festuca megalura John C. Roos, Lucille Roos 1950-4-15 4741 Riverside Pigeon Pass 457 Comment
  UCR22057  Festuca microstachys Steve Boyd 1980-4-13 121 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  VVC2909  Festuca microstachys var. pauciflora Tim Thomas, P. J. MacKay 2010-4-12 5040 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR180145  Festuca myuros Mitch Provance 2003-4-26 9904 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
  UCR207328  Festuca myuros O. F. Clarke 2000-4-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR91399  Festuca myuros Scott D. White 1995-4-5 2716 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR125218  Festuca myuros var. myuros Mitch Provance 1998-5-5 522 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  RSA528883  Festuca occidentalis M. Curto, Linda Allen 1991-6-26 771 Riverside 3km SE of Pine Cove on San Bernardino NF road 5S10. Comment
  LA13139  Festuca octoflora F. R. Fosberg; 1932-3-13 8100 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA629028  Ficus carica Scott D. White 1998-6-28 6793 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR197060  Ficus carica A. C. Sanders, D. L. Sanders 2008-9-27 36112 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
  RSA793593  Filago californica R. F. Thorne 1995-3-29 63036 Riverside White Water Canyon 600 Comment
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  UCR261411  Filago depressa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41432 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
  JEPS42926  Forestiera pubescens W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1340 Riverside return to Van Deventer's and Palm Canyon of Mt. San Jacinto Comment
  UC511831  Forestiera pubescens Frank W. Peirson 1933-4-13 10647 Riverside road from Deep Canyon to Idyllwild (at Palm Creek crossing) 1386 Comment
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  SBBG13910  Fouquieria splendens E. R. Blakley 1962-11-25 5484 Riverside 1 mi W of Desert Center 274 Comment
  UCSC001447  Fragaria vesca Peter Kamb 1947-5-17 518 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  UC723892  Fraxinus dipetala Joseph Andorfer Ewan 1933-3-19 10897 Riverside Tin Mine Canyon Santa Ana Mountains Comment
  UCR240766  Fumaria officinalis O. F. Clarke 2004-3-13 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA458597  Funastrum hirtellum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA45894  Funastrum hirtellum M. B. Dunkle 1933-5-6 3425 Riverside Canyon N. of Cathedral Canyon. Comment
  RSA778257  Funastrum hirtellum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 923 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  RSA627512  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  RSA702386  Galium aparine Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1282 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UCR121342  Galium aparine A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25037 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR92051  Galium aparine Scott D. White, M. Jacobsmeyer 1996-4-20 3953 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  POM12934  Galium parishii Philip A. Munz 1922-6-27 5873 Riverside Toro Peak. 2287 Comment
  UC1536777  Galium porrigens var. porrigens G. H. True 1935-4-5 213 Riverside Gavilan Hills 609 Comment
  RSA0041955  Galium stellatum var. eremicum Duncan S. Bell, Marcel Beffort 2014-4-22 6600 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  POM261676  Garrya flavescens var. pallida W. Pequegnat 1940-12-28 s.n. Riverside Santiago Pk., Santa Ana Mts. Comment
  OBI14155  Garrya fremontii Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts E side, along Eagle Motor Way, 1 mi below summit 914 Comment
  HSC101789  Garrya veatchii J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13206 Riverside Along State Route 74 1558 Comment
  LA205385  Garrya veatchii D. Birindelli; 1969-3-9 56 a Riverside Mt. San Jacinto, S side 1219 Comment
  RSA601080  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen 1996-5-1 18121 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1098 Comment
  UCR91603  Garrya veatchii D. L. Banks, Steve Boyd 1995-1-18 0042 Riverside Cleveland National Forest, Agua Tibia Wilderness, N slope of Agua Tibia Mtn., west of Wild Horse Peak, along the Dripping Springs Trail 963 Comment
  RSA559952  Gastridium phleoides Steve Boyd, Orlando Mistretta 1992-4-23 7063 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  JOTR37711  Geraea canescens Hodges, Stephen R. 2016-3-1 637 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  RSA124113  Geraea canescens Percy C. Everett 1958-4-29 22956 Riverside Indio to Blythe, Hwy 60/70 2.7 miles E of jct with Hwy 99 30 Comment
  SFV17346  Geraea canescens J. D. Dilley, J. N. Hogue 1998-4-24 281 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash on Corn Springs Road, 1 mile southwest of Interstate Highway 10. 274 Comment
  RSA0103445  Gilia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8563 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA676050  Gilia Scott D. White 2001-4-3 8254 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  JEPS89034  Gilia angelensis Rimo Bacigalupi and L. Heckard 1962-3-25 8385 Riverside about 5 mi se Corona (just n of Bedford Canyon, low rolling hills at eastern base of the Santa Ana Mountains); eastern base Santa Ana Mountains, n of Bedford Canyon 304 Comment
  POM184248  Gilia angelensis P. A. Munz 1932-3-24 12024 Riverside North of Lake Elsinore. 305 Comment
  RSA606302  Gilia angelensis Jon E. Keeley 1994-4-22 25337 Riverside Shipley Reserve. 590 Comment
  RSA705182  Gilia angelensis J. Mark Porter, Sarah J. De Groot 2005-3-9 14257 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  RSA741207  Gilia capitata subsp. abrotanifolia Scott D. White, Justin M. Wood 2008-5-15 11960 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SBBG101800  Gilia capitata subsp. abrotanifolia S. Boyd with T. Ross, M. Hammitt 1991-5-2 6049 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR30162  Gilia latifolia A. C. Sanders 1983-4-24 3803 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  UCR108993  Gilia ochroleuca subsp. exilis D. L. Banks, V. W. Steinmann 1997-3-13 1502 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
  UCR91857  Gilia ochroleuca subsp. exilis A. C. Sanders, S. Hawkins 1996-4-24 18071 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  SEINET3208891  Gilia sinuata G. Goodwin 2012-6-14 3446 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  RSA0105292  Gilia stellata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7755 Riverside Morongo Canyon Preserve; collecting in side canyon off of Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 777 Comment
  RSA0124746  Gilia stellata Duncan S. Bell, LeRoy Gross 2016-3-9 8839 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR169787  Gilia stellata Scott D. White 2003-5-23 8835 Riverside Santa Rosa Mountains, Hwy 74 near Carrizo Creek crossing. Rancho Mirage 762 Comment
  UCR269837  Gilia stellata A. C. Sanders, Jim Malusa 2016-3-18 42381 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC435006  Glinus lotoides Scott D. White 1995-9-22 3688 Riverside San Jacinto Valley. Marsh AFB, W of Plummer Rd. and S of Cactus Rd., +-0.7 mi W of 215 Fwy. 457 Comment
  UCR2448  Glyceria elata F. M. Reed 1908-7-13 2479 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  CAS-BOT-BC282837  Glyceria striata H. M. Hall 1901-6-1 2244 Riverside Dark Canyon, San Jacinto Mountains 1828 Comment
  UCR136272  Gnaphalium californicum A. C. Sanders 2004-4-20 27563 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR225728  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2011-3-30 38899 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA596185  Gnaphalium canescens subsp. beneolens D. L. Banks 1996-11-7 1211 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
  UCR133947  Gnaphalium canescens subsp. microcephalum John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR141245  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kelly Volansky 2004-10-6 28814 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
  UCR182804  Gnaphalium leucocephalum A. C. Sanders 2001-11-3 24879 Riverside Peninsular Range, Temescal Canyon, 1.4 miles NW of Indian Truck Trail on (old) Temescal Canyon Rd., c. 0.25 mi. SE of freeway 311 Comment
  UCR20734  Gnaphalium stramineum A. C. Sanders, Steve Boyd 1980-5-2 1404 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SEINET10574792  Gossypium thurberi Unknownnown 1968-8-22 Johnson LA- 1479 Riverside Cultivated. grown at UCR, field 21, planted in 1965. Received from USDA, Beltsville, maryland, via T. Richmond, Texas A & M. Native to Arizona, Sonora & Chihuahua. Comment
  POM48137  Guillenia lasiophylla E. Schlinger 1920-05 s.n. Riverside Canyon Coachella, Colorado Desert Comment
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Nov 19 2011
  UCR150641  Gutierrezia microcephala Bern Schwenn 1994-9-18 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains; on saddle between Bernard and Little San Bernardino Peaks, SW of Bernard 1591 Comment
  UCR174613  Helianthemum scoparium Jennifer H. Jones 2006-6-6 385 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  CDA36603  Helianthemum scoparium var. aldersonii A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
  UCR48417  Helianthemum scoparium var. aldersonii Steve Boyd 1986-4-22 1745 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA78793  Helianthemum scoparium var. vulgare P. C. Everett, E. K. Balls, L. W. Lenz, George B. Everett 1952-7-1 17269 Riverside 7.1 mi. s.e. from Banning along hwuy to Idyllwild, San Jacinto Mts. Comment
  UCD132795  Helianthus annuus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR202016  Helianthus annuus Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UC1929931  Helianthus nuttallii subsp. nuttallii Scott D. White 2003-10-9 9816 Riverside San Jacinto Mountains: Pine Cove area. Lily Creek just north of crossing at Highway 243. San Jacinto Peak 7.5' Quad. Comment
  CLARK-A1528-336  Heliotropium curassavicum subsp. oculatum Margaret Ferro 1970-5-10 10 Riverside 457 Comment
  RSA388419  Heliotropium curassavicum var. oculatum R. F. Thorne 1985-7-18 61193 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA512159  Heliotropium curassavicum var. oculatum Ed LaRue 1989-5-9 s.n. Riverside North side of Temescal Wash, N of frontage rd. along Hwy 71, ca. 1/2 mile (airline) NW of Alberhill. 396 Comment
  RSA77874  Heliotropium curassavicum var. oculatum F. W. Peirson 1920-6-22 994 Riverside Temescal canyon 305 Comment
  UCR112794  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR268588  Hemizonia kelloggii Jim Andre 2012-6-15 30542 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA716381  Hemizonia mohavensis Scott D. White 2006-4-27 11300 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA597061  Hemizonia paniculata D. L. Banks, Lauren Raz 1996-11-5 1156 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SEINET1907232  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-1 6701 Riverside Granitic Knolls and Mesas of Riverside: Riverside (Prenda area), land bordering the E side of Washington and the N side of Hermosa St. 335 Comment
  UCR137601  Hemizonia paniculata John F. Green 2004-7-6 s.n. Riverside Santa Ana River Valley, north end of Payton Ave., Riverside, near natural gas pipeline facility, above Santa Ana River 229 Comment
  UCR139627  Hemizonia paniculata A. C. Sanders 2004-6-30 28397 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR199653  Hemizonia paniculata Justin M. Wood 2008-7-16 25 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR162884  Hemizonia pungens subsp. laevis Fred M. Roberts 1993-5-16 4883 Riverside Hemet, W side of Old Warren Road, c. 0.75km N Florida Avenue near Devonshire Road, c. 1.2km WSW summit of Tres Cerritos Hills 459 Comment
  UCR207306  Hemizonia pungens subsp. laevis John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR89236  Hemizonia pungens subsp. pungens Scott D. White 1995-9-22 3685 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCR89822  Hemizonia pungens subsp. pungens Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  HSC25815  Hesperocallis undulata R. W. Spjut 1972-3-20 2286 Riverside Riverside/San Bernardino Co., Colorado Desert, 4-10 mi. W of Rice (N end of Maria Sand Dunes), along Hwy. From Rice to 29 Palms Hwy. or to Desert Center. 305 Comment
  RSA676085  Hesperocnide tenella Scott D. White 2001-4-13 8327 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  SEINET3930662  Hesperocnide tenella David Keil 1983-4-15 16897 Riverside East of Temecula on SR79.; 0 Comment
  SDSU13702  Hesperoyucca whipplei James C. Dice with J. D. Tenhunen 1987-9-9 721 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1/4 of northwest 1/4 of section 35. 390 Comment
  UCR82900  Heterotheca sessiliflora A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15804 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA702046  Heterotheca sessiliflora subsp. echioides Scott D. White, Angelia Carey 2004-9-16 10755 Riverside San Jacinto Mountain foothills: San Jacinto Mountain foothills: Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  SEINET10842397  Heterotheca villosa var. villosa David B. Dunn 1947-10-9 Dunn 3533 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  RSA432781  Hibiscus denudatus Donald Myrick 1968-3-3 1798 Riverside Box Canyon east of Mecca 457 Comment
  UC68561  Hibiscus denudatus H. M. Hall 1905-4-17 5782 Riverside 10 mi. w. Coachella 121 Comment
  JOTR33122  Hilaria rigida La Doux, Tasha, Mike Bell 2003-10-17 1605 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wall Street Mill parking area to Wonderland Wash 1304 Comment
  SD259940  Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley: east side of Arica Muntains, along Rice-Midland Rd., 2.2 mi. south of Rice (Hwy 62). Rice 7.5'Q 242 Comment
  UCR129809  Hilaria rigida Scott D. White 2001-4-17 8344 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
  RSA0040034  Hilaria rigida W. Marquart 1938-3-12 s.n. Riverside Mule mts. south of Chuckwalla range. Comment
  SD71776  Hirschfeldia incana Helen V. Witham 1969-7-2 184 Riverside DeLuz Creek crossing, 4 miles north of DeLuz (mak 6/06) 249 Comment
  SDSU14245  Hirschfeldia incana Ingrid Poulin 2002-3-1 7 Riverside Santa Margarita Ecological Reserve; unpaved road approx. 100 ft. west of Red Mountain Truck Trail (0.8 miles from N. Stagecoach Lane). 229 Comment
  SEINET3365552  Hoffmannseggia glauca G. Rink 2011-9-25 11071 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  SEINET953583  Hoffmannseggia glauca J. C. Roos 1965-1 Riverside 17 miles West of Blythe, Colorado Desert. Comment
  UCR274853  Hoffmannseggia glauca April Garbat, Sarah J. De Groot 2013-4-30 058 Riverside Sonoran (Colorado) Desert, Ford Dry Lake, north of Hwy I-10 122 Comment
  CAS-BOT-BC207556  Hoffmannseggia microphylla Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CLARK-A1528-477  Hoffmannseggia microphylla Charlotte Stocks 1962-5-13 Riverside La Quinta Comment
  UC718285  Hoita orbicularis Carl B. Wolf 1936-6-17 7964 Riverside Tenaja Rd 1 mi s La Cienaga (headwaters of creek); Santa Ana Mts., San Mateo Creek 609 Comment
  UCR159908  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Ana Mountains: Sierra Peak Comment
  RSA654571  Hordeum arizonicum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. [county not specified] 762 Comment
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May 20 2012
  POM352490  Hordeum marinum subsp. gussoneanum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  CAS-BOT-BC148557  Horkelia clevelandii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC312580  Hulsea vestita subsp. callicarpha Winifern W. Swarth 1914-9-15 s.n. Riverside Slope south of Round Valley, San Jacinto Mts. 2590 Comment
  RSA125315  Hulsea vestita subsp. callicarpha R. Weatherby 1949-6-6 637 Riverside Santa Rosa Mountain. 1982 Comment
  RSA740083  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCSC001455  Hymenoclea salsola Peter Kamb 1948-4-11 867 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valle 305 Comment
  UC68917  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Paloverde Valley Colorado Desert 76 Comment
  RSA80643  Hypericum androsaemum E. C. Jaeger 1921-6-11 5451 Riverside Idyllwild Comment
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Nov 5 2011
  SDSU12941  Hypochaeris glabra Jutta Buschbom 1991-6-3 20 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR120197  Hypochaeris glabra Mitch Provance 1998-3-6 143 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  JOTR29204  Hyptis emoryi La Doux, Tasha 2005-3-30 1206 Riverside Joshua Tree National Park. Pinto Basin; along Pinto Basin Road east of Fried Liver Wash, north of Hexie Mountains 544 Comment
  RSA0069675  Hyptis emoryi Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 3 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  RSA167747  Hyptis emoryi Robert F. Thorne, Robert L. Rutherford 1964-4-10 33550 Riverside Palm Springs. 305 Comment
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Apr 25 2011
  UCLA61587  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  UCR233154A  Hyptis emoryi Jim Andre, Glenn L. Clifton 2011-2-22 17458 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CDA5544  Ipomoea triloba T. C. Fuller 1962-10-2 9704 Riverside Palo Verde Valley; South side of Avenue 32, 0.6 mile east of Ludy Boulevard, 6.9 miles southwest of Ripley. 0 Comment
  UCSB45914  Isocoma acradenia Clarke, Oscar 1969-11-10 Riverside Near Whitewater on Hwy. 111, 2 miles southeast of the point where it merges into Interstate Hwy. 10 at Verbenia Ave. Comment
  UC1929839  Isocoma menziesii var. vernonioides Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10667 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  UCD133437  Isocoma menziesii var. vernonioides K. Esau 1935-6-21 s.n. Riverside Road to Beaumont. Comment
  SD68955  Isoetes howellii Robert F. Thorne, E. Lathrop, P. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau, vernal marsh on Mesa de Colorado 669 Comment
  CHSC83701  Isomeris arborea John Dittes 2002-1-4 2 -45 Riverside Mojave Desert; Little San Bernardino Mountains, ca. 6.5 air-miles north of Indio. In wash on bajada of West Berdoo Canyon, northwest of Berdoo Canyon 4WD trail. 243 Comment
  UC196112  Isomeris arborea S. B. and W. F. Parish Apr 1882 28 Riverside Whitewater Colorado Desert (borders of Colorado Desert) Comment
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Jul 15 2009
  UCR20831  Isomeris arborea A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1299 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
  UCR260595  Iva axillaris A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41555 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley along DePalma Rd., in side canyon between Horsethief Canyon and Glen Eden, just SE of dirt road to revegetation plots, south of I-15 and the east end of Lee (Corona) Lake 367 Comment
  CAS-BOT-BC6218  Ivesia callida Harvey Monroe Hall 1901-8-1 2611 Riverside San Jacinto Mountains, near Tauquitz. 2438 Comment
  UCR18881  Juglans californica John C. Roos 1952-6-25 5789 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  UCR158861  Juncus balticus Scott D. White 1994-6-14 2058 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR54608  Juncus balticus Jack Easton 1988-10-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Springs Ranch west of the town of Murrieta Comment
  RSA234012  Juncus bufonius var. occidentalis Robert F. Thorne, E. W. Lathrop 1969-5-12 37927 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  UCR109697  Juncus effusus subsp. austrocalifornicus T. W. Fisher 1963-9-24 s.n. Riverside San Jacinto Mtns., Idyllwild 1585 Comment
  UCR117310  Juncus hemiendytus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR98899  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  JOTR35513  Juncus mexicanus La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3200 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA368067  Juncus oxymeris H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  JEPS63873  Juncus textilis unknown Riverside Coahuilla Valley region Coahuilla Valley Comment
  SBBG89290  Juncus textilis J. Adams 1966-4-25 738 B Riverside rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  UCR25015  Juncus textilis J. A. Harpel 1981-11-4 s.n. Riverside San Jacinto Mtns., Bautista Canyon SE of Valle Vista. 884 Comment
  UC196457  Juncus torreyi S. B. Parish 1913-9-20 8619 Riverside Mecca Salton Sink -57 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
  UCR11  Juniperus californica Eugene Cardiff 1950-2-19 s.n. Riverside Santa Rosa Mtns., Palms-to-Pines Hwy. [near Pinyon Flats] 1372 Comment
  LA202791  Justicia californica A. M. Johnson; 1933-4-28 4235 Riverside Pines to Palm highway below Palm Springs Comment
  SD126045  Justicia californica B. Pitzer 1988-3-10 64 Riverside West side of Chuckwalla Mtns. on gas line road ca. 1.5 miles North of intersection with Red Cloud Mine Rd. (& wash); 2 miles south ofHwy I-10 490 Comment
  SBBG100102  Justicia californica M. D. Clary 1932-12-15 1132 Riverside bajada 2 mi W of Coral Reef Ranch, at base of Santa Rosa Mtns, Coachella Valley 91 Comment
  UCR130813  Kallstroemia californica G. R. Ballmer 1999-9-25 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wiley's Well Rd between Hwy I-10 and the entrance to Chuckwalla Prison. 183 Comment
  POM4282  Keckiella antirrhinoides L. T. Street 1917-5-15 1932 Riverside Between Elsinore and Perris. Comment
  RSA401732  Keckiella antirrhinoides Christopher Davidson, B. Gustafson 1977-4-7 5588 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
  SD132283  Keckiella antirrhinoides Narca A. Moore-Craig 1984-4-13 Riverside Mt. San Jacinto, 4 mi W of Mountain Center along Hwy 74. 671 Comment
  UCR250312  Keckiella antirrhinoides A. C. Sanders 2014-4-8 40977 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR270318  Keckiella antirrhinoides T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8340 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  UCSB10530  Keckiella antirrhinoides Wilson, Richard 1958-5-17 Riverside 6 miles SE of Banning; on State Hwy 74 San Jacinto Mtns 762 Comment
  UCSB17553  Keckiella antirrhinoides Otey, D. 1963-5-4 Riverside Banning to Idyllwild Road; 2.5 miles south of Banning 853 Comment
  RSA0018941  Keckiella antirrhinoides subsp. antirrhinoides Christopher Davidson 1975-6-16 2804 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  LA209278  Keckiella antirrhinoides var. antirrhinoides L. Haines; L. Erickson 1937-4-9 sn Riverside Riverside-Hemet road near Winchester turnoff Comment
  SEINET4097042  Keckiella antirrhinoides var. antirrhinoides O. M. Clark 1929-1 1695 Riverside South Cabazon, southern California. Comment
  UCR176574  Keckiella antirrhinoides var. antirrhinoides Holly A. Wanamaker 2005-4-14 05 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
  SFV16973  Keckiella rothrockii var. jacintensis P. Wilson, M. S. Valenzuela 1997-7-25 3512 Riverside San Jacinto Mountains Near Round Valley Camp. 3000 Comment
  UCR168137  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 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
  RSA792473  Koeberlinia spinosa var. tenuispina Justin M. Wood, Dustin Ray 2011-4-28 3835 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  UC38719  Koeleria macrantha H. M. Hall 1901-6-20 2206 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1645 Comment
  CAS-BOT-BC273671  Koeleria pyramidata H. M. Hall 1901-6-1 s.n. Riverside San Jacinto Mountains. Kenworthy Comment
  SD121784  Krameria bicolor C. H. Muller 1952-5-20 9512 Riverside Whitewater Canyon Comment
  SD232265  Krameria bicolor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinksy 2003-4-17 10464 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
  UCSB18702  Krameria bicolor Main, Nancy 1965-5-9 Riverside State Highway 74, 16 miles S of junction with State Highway 111, San Bernardino National Forest 944 Comment
  CAS-BOT-BC43701  Krameria erecta H. M. Hall 1901-6-1 2114 Riverside Eastern base, along the borders of the Colorado Desert Comment
  JOTR31935  Krameria erecta La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2173 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA409438  Krameria erecta I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. Comment
  UCR17325  Krameria erecta Loretta Bates 1978-4-15 s.n. Riverside Chuckwalla Mtns, Corn Springs Road, c. 1 mi east of Corn Springs Campground Comment
  JOTR30099  Krameria grayi La Doux, Tasha, Alice Miller 2007-5-31 1775 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  RSA248056  Krameria grayi Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  RSA651632  Krameria grayi T. Strid 1972-4-30 s.n. Riverside Corn Springs C.G. 1677 Comment
  UC667367  Krameria grayi Annie M. Alexander and Louise Kellogg 1941-5-20 2207 Riverside Eagle Mountains Eagle Mountain Pumping Station Road; Colorado Desert, Eagle Mountains 457 Comment
  UCR18039  Lagophylla ramosissima A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 144 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  RSA480076  Langloisia setosissima subsp. setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA644202  Langloisia setosissima subsp. setosissima V. W. Steinmann, P. I. Moscosa 1998-4-21 1369 Riverside Orocopia Mountains, ca. 2 km southwest of the Hayfield exit of I-10. 750 Comment
  CAS-BOT-BC166025  Larrea tridentata Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  RSA652650  Larrea tridentata Glenda Long 1981-5-17 38 Riverside Junction of Highway 78 and Walters camp Road, south of Palo Verde. Comment
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Sep 11 2011
  UC1324900  Larrea tridentata H. U. Stauffer and R. F. Thorne 1964-5-5 5923 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UCR256338  Larrea tridentata Duncan S. Bell 2012-2-12 3115 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  SD144037  Lasthenia californica Scott D. White 1997-2-28 4724 Riverside Elsinore area: SE of Hwy 74, ca. 1 mi E of jtn. with I-15 Freeway. 459 Comment
  POM6190  Lasthenia coronaria H. M. Hall 1903-3-28 s.n. Riverside Vicinity of Riverside. 427 Comment
  RSA674933  Lasthenia coronaria Scott D. White, Tasha La Doux 2000-4-23 7718 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  CAS-BOT-BC328106  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 2.6 km W of Lakeview and 15 m to 100 m E of the San Jacinto River and just W of an existing dirt access road. The site is approx. 440 m S of the MWD easement road. 433 Comment
  POM13859  Lasthenia glabrata subsp. coulteri P. A. Munz 1922-4-29 5078 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  JEPS10177  Lasthenia gracilis W. L. Jepson 1901-5-17 1229 Riverside vicinity Riverside Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  RSA717584  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR121786  Lasthenia gracilis A. C. Sanders, Carolyn Washburn 2001-4-17 24045 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR171719  Lasthenia gracilis John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR183008  Lasthenia gracilis Mitch Provance 2003-5-5 4418 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR94263  Lasthenia gracilis Scott D. White 1996-4-14 3896 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  SD137783  Lathyrus vestitus var. alefeldii Darin L. Banks 1995-4-5 144 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail 651 Comment
  CDA6769  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut Comment
  CAS-BOT-BC320797  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  RSA613326  Layia platyglossa D. L. Banks 1997-3-6 1390 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR140315  Layia platyglossa A. C. Sanders, Guy Bruyea 2004-4-2 27412 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR21944  Layia platyglossa Steve Boyd 1980-5-3 195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR101388  Lepidium densiflorum A. C. Sanders, K. C. Rose 1998-9-29 22243 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR162888  Lepidium dictyotum var. dictyotum Fred M. Roberts, D. E. Bramlet 2005-4-1 6154 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
  JOTR31807  Lepidium fremontii La Doux, Tasha, Bill Truesdell 2007-11-9 2515 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  POM14169  Lepidium fremontii P. A. Munz, D. D. Keck 1922-4-9 4899 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR279379  Lepidium fremontii A. C. Sanders, Jim Malusa 2017-3-24 42973 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 723 Comment
  CLARK-A1656-763  Lepidium lasiocarpum Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  RSA778243  Lepidium lasiocarpum Duncan S. Bell 2009-3-8 48 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR103290  Lepidium lasiocarpum George K. Helmkamp, E. A. Helmkamp 1998-2-5 2677 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR140329  Lepidium lasiocarpum A. C. Sanders, Guy Bruyea 2004-4-2 27424 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  SEINET11983341  Lepidium lasiocarpum Unknown 1936-1 12807 Riverside Colorado Desert N of Palm Springs Comment
  CAS-BOT-BC89669  Lepidium lasiocarpum subsp. lasiocarpum Alice Eastwood 1913-4-30 3052 Riverside Palm Springs. Comment
  JOTR28808  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Bill Truesdell 2004-3-11 1076 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  UC144134  Lepidium lasiocarpum var. lasiocarpum Charlotte M. Wilder 1908-3-25 1121 Riverside Fairmount Park Riverside Comment
  UCR68503  Lepidium latifolium Chet McGaugh 1991-6-20 91- 01 Riverside Peninsular Range, Murrieta Hot Springs Area: c. 1 mi east of Hwy I-215, south of and adjacent to Murrieta Hot Springs Road 348 Comment
  UCR116931  Lepidium latipes A. C. Sanders, D. Malueg 2001-5-17 24363 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
  RSA282777  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 2015 Riverside Along Thomas Mtn Rd at 5450 feet, south of Lake Hemet, west of Hwy 74. 1662 Comment
  RSA715299  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 Riverside 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. 579 Comment
  CAS-BOT-BC329446  Lepidospartum squamatum Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  UCR24007  Leptochloa filiformis John C. Roos 1958-9-28 s.n. Riverside Sonoran (Colorado) Desert, Coachella Comment
  RSA289874  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4089 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  SEINET10861664  Leptochloa fusca subsp. uninervia Paul M. Peterson 1989-9-22 Peterson 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. Mud flats surrounded by weedy vegetation in a fallow field. 500 Comment
  HSC82843  Leptochloa panicea subsp. brachiata A. C. Sanders 1985-8-24 5947 Riverside In the lower Coachella Valley, near Oasis, 0.4 mi. E of Hwy. 195, along the S side of drain flowing towards the Salton Sea. Comment
  UCR189291  Leptochloa uninervia Fred M. Roberts, S. Leatherman 2007-9-19 6596 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR88165  Leptochloa uninervia A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16074 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  POM15022  Leptosiphon ciliatus Mary F. Spencer 1922-6-17 1203 Riverside Idyllwild. 1585 Comment
  SD90507  Leptosiphon ciliatus Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38087 Riverside San Jacinto Mountains; above James Reserve in Hall Canyon. 1676 Comment
  SD119890  Leptosiphon floribundus subsp. glaber Louis B. Ziegler 1973-4-26 518 Riverside San Jacinto Mountains; hillside in lower Bautista Canyon. 533 Comment
  SBBG5988  Leptosiphon lemmonii H. and M. Dearing 1940-6-9 4364 Riverside Palms to Pines Hwy near Hemet Comment
  SD126107  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon; terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  SBBG87851  Lesquerella tenella A. C. Sanders 1986-3-2 6057 Riverside Chuckwalla Bench, S side of the Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of the gasline rd 640 Comment
  UCSB155316  Lessingia germanorum var. glandulifera Dennis E. Breedlove 1961-8-5 951 Riverside collected 5.0 mi E, along State Highway 74, in the Hemet Valley of the San Jacinto Mountains Keen Campground - State Highway 74, Keen Campground 1341 Comment
  CLARK-A1528-1989  Lessingia glandulifera John C. Roos 1937-8-17 1216 Riverside Comment
  JEPS20573  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley, Mt. San Jacinto); Mt. San Jacinto, Strawberry Valley Comment
  RSA692225  Lessingia glandulifera var. glandulifera Scott D. White 2003-10-9 9822 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  POM14446  Leymus triticoides P. A. Munz 1922-6-23 5779 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  UCR115344  Ligustrum lucidum A. C. Sanders 2000-12-16 23728 Riverside San Bernardino Valley, City of Riverside; UCR campus, along Big Springs Rd. just east of Campus Dr. 323 Comment
  UCR117309  Lilaea scilloides A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 741 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA596150  Lilium humboldtii subsp. ocellatum Darin L. Banks 1996-11-7 1187 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., Approximately 200 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 457 Comment
  JOTR34072  Linanthus bigelovii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2968 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA651711  Linanthus californicus Diane M. Ramirez 1983-5-1 6 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA689372  Linanthus dianthiflorus Scott D. White 2001-4-19 8377 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
  RSA0113512  Linanthus dianthiflorus Lyman Benson 1945-6-29 11617 Riverside San Gorgonio Pass, 5 miles east of Banning. 609 Comment
  POM73995  Linanthus dianthiflorus subsp. dianthiflorus Marcus E. Jones 1903-5-11 10278 Riverside Whitewater. 305 Comment
  CLARK-A1045-89  Linanthus dianthiflorus subsp. farinosus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  POM13324  Linanthus floribundus subsp. hallii E. C. Jaeger 1921-4-10 1088 Riverside Santa Rosa Mountains, Rockhouse Canyon Comment
  JOTR28880  Linanthus jonesii La Doux, Tasha 2004-2-24 1115 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  JOTR35265  Linanthus jonesii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3251 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash (Stop 1) Comment
  RSA123819  Linanthus jonesii P. H. Raven 1958-3-15 11846 Riverside Box Canyon 4.5 miles east of turn to Painted Canyon. Comment
  RSA709907  Linanthus jonesii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4612 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR22120  Linanthus lemmonii Steve Boyd 1980-4-13 126 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA752781  Linanthus liniflorus Scott D. White, Justin M. Wood 2009-5-21 12845 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CLARK-A1528-722  Linanthus liniflorus subsp. pharnaceoides C. M. Flanagan 1973-5-20 OO 532 Riverside Morongo Indian Reservation 1158 Comment
  POM68984  Listera convallarioides Carl V. Meyer s.n. Riverside San Jacinto Mountains. Comment
  UCR110940  Lithophragma affine George K. Helmkamp 1998-6-27 4117 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA0010981  Lithophragma affine P. A. Munz, I. M. Munz 1922-5-19 5387 Riverside 3 miles west of Keen Camp. 1494 Comment
  RSA586160  Lithophragma affine subsp. affine D. L. Banks, Steve Boyd 1995-3-30 0125 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. 707 Comment
  JEPS78512  Lobelia cardinalis var. pseudosplendens Marjorie D. Clary 1932-8-7 1683 Riverside Colorado Desert, San Jacinto Mountains, Snow Creek Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR116962  Loeflingia squarrosa A. C. Sanders, T. B. Salvato 2001-5-3 24107 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA0040185  Loeseliastrum matthewsii Sarah J. De Groot, April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley. 396 Comment
  UC106720  Loeseliastrum matthewsii T. S. Brandegee 1892-5-14 Riverside Whitewater Comment
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Jan 14 2010
  SEINET200238 Image available Logfia arizonica Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  POM356978  Lolium temulentum N. C. Cooper 1944-5-6 1171 Riverside Banning. 701 Comment
  RSA221026  Lomatium lucidum E. W. Lathrop 1966-3-23 6089 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR1607  Lomatium lucidum R. G. Barber, David L. Davis 1962-5-13 111 Riverside Santa Ana Mtns., l mi. up Ivy St. from center of Murrieta 396 Comment
  CLARK-A1528-1447  Lomatium utriculatum John C. Roos 1952-2-29 5365 Riverside Reche Canyon 426 Comment
  SBBG59767  Lomatium utriculatum E. Rockwell 1927-5-8 Riverside Jackrabbit Trail, Riverside to Hemet 914 Comment
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Mar 21 2011
  SD255699  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 Riverside San Jacinto Mountains: San Jacinto River Canyon, along South Fork Trail, halfway between Highway 74 and the bottom of the canyon. 1110 Comment
  UCR164066  Lonicera subspicata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR193865  Lonicera subspicata A. C. Sanders, Mitch Provance 2008-7-11 35799 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR51354  Lotus argophyllus S. J. Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St., Moreno Valley 518 Comment
  RSA772415  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4850 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA406379  Lotus grandiflorus var. grandiflorus Gary D. Wallace 1964-4-25 s.n. Riverside Backside of San Jacinto Mt. in desert. Comment
  RSA585881  Lotus hamatus D. L. Banks, Peter Morrell 1995-5-4 0315 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground,, on Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 536 Comment
  RSA715760  Lotus hamatus A. C. Sanders 2005-4-22 29601 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  POM122521  Lotus heermannii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR161439  Lotus heermannii A. C. Sanders, Mike Misenhelter 2005-9-20 31685 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR228851  Lotus humistratus A. C. Sanders 2011-4-26 39327 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  UCR91381  Lotus humistratus Scott D. White, M. Jacobsmeyer 1996-4-20 3944 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  SEINET6655546  Lotus nevadensis Carol Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains.; 0 Comment
  RSA282916  Lotus nevadensis var. nevadensis C. W. Tilforth, B. Busenberg 1980-6-17 2020 Riverside On slopes south of Toolbox Springs Campground, Thomas Mtn. Road, south of Lake Hemet & west of Highway 74 Comment
  LA37967  Lotus oblongifolius var. oblongifolius Carl Epling; Harlan Lewis 1942-5-2 sn Riverside Mouth of Andreas Canyon, near Palm Springs Comment
  UCR35027  Lotus purshianus L. B. Ziegler 1967-8-2 200 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  RSA659785  Lotus salsuginosus J. C. Roos, L. Roos 1952-5-19 5694 Riverside On hills north of Moreno. Comment
  HSC78066  Lotus strigosus R. A. Eagle 1964-3-28 21 Riverside 7 mi. out of Palm Springs on the Thunderbird Rd. Comment
  RSA0021298  Lotus strigosus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4660 B Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA406331  Lotus strigosus Ora M. Clark 1929-2-23 1555 Riverside North of Whitewater Comment
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Nov 9 2011
  RSA522736  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3842 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC68650  Lotus strigosus H. M. Hall Apr 1905 5830 Riverside Mecca -60 Comment
  POM28287  Lotus strigosus var. strigosus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  HSC87268  Lotus strigosus var. tomentellus David Charlton 1988-2-18 1178 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Rd. to Cottonwood Wash, S of Joshua Tree National Park, parallel to Hwy. 10, 5 mi. E of the jct. of Dillon Rd. and Fargo Canyon Rd. 762 Comment
  CSUSB1241  Lotus tomentellus Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  UC130325  Lupinus H. M. Hall May 1899 1374 Riverside San Jacinto Mountains Comment
  SD8500  Lupinus albifrons var. albifrons Daniel Cleveland 1888-3-22 Riverside Temecula Comment
  POM11045  Lupinus arizonicus H. M. Hall 1905-04 5759 Riverside Palm Springs. 152 Comment
  POM349941  Lupinus arizonicus N. R. Zabriskie, Walter M. Zabriskie 1973-3-20 591 Riverside Coyote Canyon, tributary to Deep Canyon, N slope Santa Rosa Mtns. 366 Comment
  RSA776691  Lupinus arizonicus Duncan S. Bell, Amanda Turek 2010-4-10 792 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA776936  Lupinus arizonicus Amber Swanson, Duncan S. Bell 2011-3-18 219 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UC195032  Lupinus arizonicus Joseph Grinnell 1910-3-17 Riverside Riverside Mt.; Colorado River, Riverside Mt. Comment
  UCSB33601  Lupinus arizonicus Simmons, Karen 1979-3-25 Riverside 1 mile south of Hwy. 10; on Box Canyon Road 30 Comment
  POM305804  Lupinus bicolor Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1055 Riverside Elsinore. Comment
  RSA613859  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  RSA87098  Lupinus bicolor F. W. Peirson 1921-3-19 91 Riverside 2 miles east of Banning on road to Indio, Riverside Comment
  SDSU17531  Lupinus bicolor Jerry Jenkins 2001-4-2 2001 -047 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UCR171898  Lupinus bicolor John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  JOTR32190  Lupinus concinnus Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  SD181516  Lupinus concinnus Scott D. White, Bill LaHaye 2000-5-27 7936 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. Common in burned areas. 1616 Comment
  POM307239  Lupinus concinnus subsp. optatus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2109 Riverside Santa Rosa Mountains. Comment
  UCR121227  Lupinus concinnus subsp. optatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2259 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR188794  Lupinus excubitus var. excubitus Jim Andre 2006-4-26 7796 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom c.1 mi north of Rattlesnake Spring 1321 Comment
  UC15857  Lupinus formosus H. M. Hall June, 1901 2167 Riverside Thomas Valley; San Jacinto Mountains, Thomas Valley 1371 Comment
  UCR23946  Lupinus formosus var. hyacinthinus John C. Roos 1937-8-18 1222 Riverside San Jacinto Mtns, Round Valley 2805 Comment
  RSA571316  Lupinus hirsutissimus Steve Boyd 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR92533  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR251997  Lupinus latifolius A. C. Sanders, T. B. Salvato 2014-7-2 41161 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA262118  Lupinus latifolius subsp. parishii E. W. Lathrop 1968-5-22 6932 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  JEPS65300  Lupinus latifolius var. parishii W. L. Jepson 1903-8-4 2280 Riverside Chalk Hill San Jacinto Mt. (south hillside, San Jacinto Mt.); San Jacinto Mt. Chalk Hill, South hillside 1493 Comment
  LA205137  Lupinus latifolius var. parishii Elizabeth McClintock; 1936-7-20 sn Riverside Idyllwild, San Jacinto Mts Comment
  UC15837  Lupinus latifolius var. parishii H. M. Hall July, 1901 2554 Riverside Fuller's Mills Mountains , Fuller`s Mills Mountains (San Jacinto Mountains) 2286 Comment
  UCR125289  Lupinus microcarpus A. C. Sanders 2002-11-21 25642 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA716394  Lupinus microcarpus var. densiflorus Scott D. White, Angelia Carey 2004-4-5 9980 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR182531  Lupinus microcarpus var. densiflorus Mitch Provance 2005-5-17 6579 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
  UCR117077  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23961 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA775342  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5018 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
  RSA414268  Lupinus sparsiflorus var. mohavensis N. C. Cooper 1944-3-25 2014 Riverside Cabazon. 549 Comment
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Nov 22 2011
  RSA527862  Lupinus truncatus Scott D. White 1991-5-10 91 -148 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  SEINET10489071  Lupinus truncatus David B. Dunn 1947-3-16 Dunn 2916 Riverside Found 100 yards se of cabazon in the banning pass. Comment
  POM12139  Luzula comosa Mary F. Spencer 1921-6-15 1278 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  CHSC106631  Luzula comosa var. laxa P. F. Zika; Nick Otting 2010-8-3 25245 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  JEPS11769  Lycium andersonii W. L. Jepson Oct 22 1912-Nov 7 1912 5240 Riverside Riverside Mts. 45 Comment
  RSA422101  Lycium andersonii N. R. Zabriskie 1969-4-27 207 Riverside Andrea Canyon near Palm Springs. 366 Comment
  RSA651328  Lycium andersonii N. R. Zabriskie, Walter Zabriskie 1971-2-15 345 Riverside C. 30' up bank from stream bed on west-facing slope of ''North Canyon;'' Andreas Canyon watershed, San Jacinto Mts. 366 Comment
  UC218100  Lycium andersonii P. A. Munz, D. Keck 1922-4-9 4811 Riverside s base Eagle Mtns.; Colorado Desert 182 Comment
  UCD126594  Lycium andersonii Geoffrey Levin 1976-3-27 699 Riverside South side of Chino Canyon, West of Palm Springs. San Jacinto Mountains. 457 Comment
  UCR108294  Lycium andersonii G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. l mi. airline SW of Arnold Heights. Wash just south of Van Buren Rd. 213 Comment
  JOTR31075  Lycium cooperi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2338 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA409650  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 183 Comment
  UCR41831  Lythrum californicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6098 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC63224  Madia elegans H. M. Hall 1901-7-1 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  UC1608211  Madia exigua Steve Boyd and Tim Ross 1992-6-10 7642 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  UC219591  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp San Jacinto Mts., Keen Camp 1524 Comment
  RSA524593  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3908 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  UCR58854  Malacothamnus densiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3546 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UCR21157  Malacothamnus fasciculatus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA449946  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  RSA585791  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-9 0418 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  RSA89040  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  CAS-BOT-BC347696  Malacothrix glabrata Paul F. Covel 1938-4-21 1185 Riverside Just east Banning Comment
  CDA20796  Malacothrix glabrata G. F. Hrusa, J. A. Hart 1993-4-4 10598 Riverside Cholla Garden, Joshua Tree N.M. Comment
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  RSA0122705  Malacothrix glabrata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9059 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
  RSA33851  Malacothrix glabrata N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  RSA716262  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA781532  Malacothrix glabrata Duncan S. Bell 2009-3-8 82 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 479 Comment
  RSA594788  Malacothrix saxatilis var. tenuifolia D. L. Banks, Dylan Hannon 1996-5-3 0983 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  SEINET3449032  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Banning, Banning, 4 miles east, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, at the junction of Apache Trail and Seminole Drive, north of route interstate 10, Apache Trail Exit 550 Comment
  UC1010242  Malva parviflora John and Lucille Roos 1951-5-5 5034 Riverside Riverside, Fairmont Park Fairmont Park; Riverside, Fairmont Park 274 Comment
  UCR123835  Malva parviflora Steven R. Hill, K. Kramer 2001-4-27 33476 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  UCR123860  Malva sylvestris Steven R. Hill 2001-4-29 33518 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  RSA552761  Marah macrocarpa Steve Boyd 1992-3-31 6747 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA596718  Marah macrocarpa L. C. Wheeler 1960-5-11 7701 Riverside San Jacinto Mountains. 1 mi. west of Hurley Flat. Comment
  SBBG87444  Marah macrocarpa L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta Comment
  SDSU5862  Marah macrocarpa Thomas A. Zink 1971-4-1 Riverside Along Oak Glen Rd. about 3 miles south of the Oak Glen Range Station. Comment
  UCR132423  Marah macrocarpa A. C. Sanders 2004-2-6 27380 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon at head of small nameless canyon on south side of ridge 427 Comment
  UCR41367  Marah macrocarpa N. M. Fellows 1985-3-3 86 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
  CAS-BOT-BC216177  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo Desert Comment
  RSA0043065  Marina parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6267 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA518275  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UC1563114  Marina parryi Steve Boyd and Orlando Mistretta 1986-3-13 1425 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UCR72229  Marina parryi Theo Glenn 1991-5-28 91- 111 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  POM11719  Marsilea vestita P. A. Munz, I. M. Johnston 1922-5-20 5446 Riverside San Jacinto Mountains: 2 mi. below Kenworthy 1402 Comment
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Mar 25 2011
  RSA617818  Marsilea vestita R. E. Riefner 1998-8-13 94 -472 Riverside Elsinore Trough. Wildomar Comment
  CAS-BOT-BC348066  Matricaria discoidea A. C. Sanders; T. B. Salvato 2011-3-28 38810 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
  RSA621899  Matricaria matricarioides Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-18 2995 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SEINET5560804  Matricaria matricarioides H. S. Gentry, Bruce Gentry 1973-1 23191 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 396 Comment
  RSA162783  Meconella denticulata J. D. Olmsted 1959-5-1 530 Riverside Along Spring trail below Beek Cabin Windmills, Main Divide Motorway in Northern Santa Ana Mts, 9 miles Sw of Corona, Santa Ana Mts. Tin Mine Canyon to Corona 854 Comment
  RSA262114  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR79216  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  RSA85571  Medicago polymorpha var. brevispina J. C. Roos 1952-4-9 5487 Riverside Fairmount Park. 259 Comment
  UCR112800  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  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
  UCSB18721  Melica imperfecta Keith, Sheldon 1963-5-4 Riverside 2.5 miles south of Banning to Idyllwild road 853 Comment
  SD217288  Melilotus albus Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6630 Riverside Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  SDSU19220  Melilotus albus Kristen Hasenstab, Dave Bailey 2008-8-7 185 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Growing 1-3m from the edge of the river. 215 Comment
  UCR92142  Melilotus indicus D. L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR9107  Mentha X piperita O. F. Clarke 1969-9-28 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce Street 305 Comment
  LA91117  Mentzelia affinis Peter H. Raven; 1958-3-15 11845 Riverside Box Canyon, E of Mecca 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
  RSA692200  Mentzelia involucrata Scott D. White, Michael Honer 2003-5-14 9301 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA49379  Mentzelia jonesii P. A. Munz 1949-4-11 12997 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  SD60947  Mentzelia longiloba var. longiloba Darley F. Howe 1964-4-13 3762 Riverside 3.3 mi east of Riverside-San Bernardino Co. line. 244 Comment
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Mar 31 2014
  RSA734201  Mentzelia micrantha Keith E. Hoffmaster 1934-4-8 132 Riverside Santa Ana Mts. Comment
  SD129432  Mentzelia micrantha Ed LaRue 1989-5-3 Riverside 2.0 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest, at McVicker Canyon. 487 Comment
  RSA282473  Mentzelia obscura J. Zavortink 1964-1-20 2458 Riverside Joshua Tree National Monument, Fried Liver Wash Comment
  RSA0120306  Mentzelia veatchiana Duncan S. Bell 2016-4-16 9322 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCD96999  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 377 Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR217528  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-12 008 Riverside Perris-Aguanga Basin, French Valley, southeast foot of the Hogbacks, south of Warm Springs Creek, 0.9km east-southeast of the intersection of Auld Road and Hwy 79 407 Comment
  UCR226075  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2011-4-1 38944 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  SEINET273066  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd.side 1550 Comment
  RSA613402  Microseris lindleyi D. L. Banks 1997-4-5 1689 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA0018790  Mimetanthe pilosa Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA0018783  Mimulus N. C. Cooper 1949-6-29 4345 Riverside Pine Cove. Comment
  SDSU10755  Mimulus aurantiacus W. E. Rehlaender 1983-4-22 31 Riverside NE rim of Sycamore Canyon, about 1 mile SW of Hwy 60 and 2.5 miles SSE of UCR Campus. Comment
  UC729965  Mimulus aurantiacus var. pubescens Carl B. Wolf 1932-5-24 3657 Riverside 1 mi above Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 792 Comment
  UC943832  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 A Riverside Indian Canyon Truck Trail Santa Ana Mountains 853 Comment
  UCR220004  Mimulus aurantiacus var. pubescens A. C. Sanders 2010-11-18 38689 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  RSA496731  Mimulus aurantiacus var. pubescens B. Pitzer, A. C. Sander 1987-4-21 495 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  UC1577079  Mimulus aurantiacus var. puniceus C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4728 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  RSA420956  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon 91 Comment
  UCR117086  Mimulus brevipes A. C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR167674  Mimulus cardinalis T. B. Salvato, Melissa Clemons 2005-6-23 1291 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA220987  Mimulus clevelandii E. W. Lathrop 1966-5-29 6390 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR217549  Mimulus clevelandii Diane Menuz, Ana Hernandez 2009-6-1 500 Riverside Palomar Mtns., Agua Tibia Wilderness, 3.5 km south of Hwy. 74, c. 1 km south of Korean retreat camp, along old Woodchuck trail. Steep slope next to trail 841 Comment
  SEINET1869716  Mimulus guttatus T. B. Salvato, A. C. Sanders 2007-1 895 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR3734  Mimulus guttatus Frank C. Vasek 1964-7-25 640725 11 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR42547  Mimulus guttatus B. G. Pitzer 1986-4-26 191 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  SDSU10801  Mimulus tilingii Garrison 1962-7-29 Riverside 2 miles beyond Black Mountain camp ground. 2134 Comment
  SEINET3092401 Image available Mirabilis bigelovii Howard Scott Gentry 1947-4-20 7638 Riverside Gentry Farm, 3 miles NE of Murrieta. 396 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
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  CHSC36008  Mirabilis bigelovii var. retrorsa James Henrickson 1973-3-18 8609 Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  SEINET6627584  Mirabilis laevis Scott D. White 2001-4-3 8227 Riverside Sonoran (Colorado) Desert; Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 396 Comment
  UCR241114  Mirabilis laevis A. C. Sanders, John F. Green 2012-3-21 39982 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  SEINET7048177  Mirabilis laevis Steven R. Hill 2001-5-3 33683 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  POM214538  Mirabilis laevis var. crassifolia Joseph A. Ewan 1932-4-8 7041 Riverside Whitewater Canyon, about 3 miles above mouth. 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
  CAS-BOT-BC434830  Mirabilis laevis var. retrorsa John Thomas Howell 1928-3-11 3416 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  OBI70184  Mirabilis laevis var. retrorsa Larry Kelly, David J. Keil 1988-4-16 53 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshua tree natl monument Comment
  RSA464809  Mirabilis laevis var. retrorsa Ora M. Clark 1929-2-23 1572 Riverside North of Whitewater Comment
  SEINET3161596  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western border of the Colorado Desert 360 Comment
  CAS-BOT-BC434880  Mirabilis multiflora var. pubescens H. M. Hall 1901-6-1 2162 Riverside San Jacinto Mountains. Vandeventer Flat 1386 Comment
  SEINET8255138  Mohavea D. W. McNeal 1988-3-18 3230 Riverside bottom of Mecca Canyon beside Hwy. #195, 9.5 mi. sw. of Interstate #10 s. of Joshua Tree Nat. Mon. Comment
  RSA0024813  Mohavea confertiflora Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4463 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UC673537  Mohavea confertiflora Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Painted Canyon; Colorado Desert, Painted Canyon Comment
  CAS-BOT-BC215700  Monardella australis Carl B. Wolf 1932-8-5 3964 Riverside San Jacinto Mts. 100 yds. beyond 1 St., meadow on trial from Tahquitz Valley to San Jacinto Peak 2743 Comment
  LA62737  Monardella linoides subsp. linoides Carl Epling; 1942-8-6 sn Riverside 2.5 E of Thomas Mt. Tavern, Pines to Palms Hwy Comment
  LA27467  Monardella nana Carl Epling; 1944-5-13 sn Riverside Santa Rosa Mountains, 1.2 mi E of Ribbonwood Camp, Pines to Palms Hwy Comment
  LA96099  Monardella nana Elizabeth McClintock; H. Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  CSUSB2026  Monardella nana subsp. arida J. Bennett 1979-6-3 s.n. Riverside Santa Rosa Mt., along Hwy. 74, 100 feet E of road to the summit. Comment
  UC1499838  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside a short distance below Keen Camp turn off (on the Idyllwild road); San Jacinto Mts. Comment
  UC1499957  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 100 Riverside 1 1/4 mi beyond the snow gate Black Mt. Comment
  UC456088  Monardella nana subsp. tenuiflora I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  SEINET10582074  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 41 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  UC1329940  Monardella robisonii James E. Cole 1941-6-7 857 Riverside Stubby Spring area Joshua Tree National Monument 1402 Comment
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Dec 6 2014
  UCR125893  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24594 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UC465463  Monolepis nuttalliana Fred M. Reed 1906-5-19 961 Riverside Rubidoux <Ave. or Riv. ?> near Grand; Rubidoux <Ave. or Riv. ?> Comment
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Mar 10 2011
  CAS-BOT-BC349800  Monoptilon bellioides Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  CAS-BOT-BC349810  Monoptilon bellioides Annie M. Alexander; Louise Kellogg 1941-5-11 2153 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  RSA4890  Monoptilon bellioides C. B. Wolf 1932-4-27 3006 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA703481  Monoptilon bellioides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1424 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA733450  Monoptilon bellioides Lyman Benson 1933-3-31 4177 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UC1606977  Monoptilon bellioides David Charlton 1988-2-18 1144 Riverside s. Joshua Tree Nat'l Park (Fargo Canyon Rd. to Cottonwood Wash, parallel to I-10, 1 mi. e. of junction Dillon Rd. & Fargo Canyon Rd.); s. side Little San Bernardino Mts. 609 Comment
  UC219067  Montia fontana P. A. Munz and I. M. Johnston 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  RSA0010790  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR25621  Muhlenbergia asperifolia John C. Roos 1951-9-25 5257 Riverside City of Riverside, west end of Fairmount Park 259 Comment
  CAS-BOT-BC267020  Muhlenbergia filiformis Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, Mount San Jacinto 2438 Comment
  UCR2580  Muhlenbergia filiformis F. M. Reed 1928-7-10 6019 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  UCD86821  Muhlenbergia microsperma A. A. Beetle 1944-4-27 1994 Riverside West of Murietta. Comment
  UCR2588  Muhlenbergia microsperma F. M. Reed 1917-5-19 3857 Riverside Sonoran (Colorado) Desert, Palm Canyon, near palm grove Comment
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  POM259206  Muhlenbergia richardsonis P. A. Munz 1938-8-14 15347 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA0010811  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd., just E of corner of 29th St. and Scenic Drive. 305 Comment
  RSA563909  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  SD105726  Myosurus minimus var. apus T. Cass 1979-6-1 Riverside Vernal pool, Mesa de Burro, Santa Rosa Plateau 680 Comment
  SDSU13517  Myriopteris newberryi W. Miller with C. Mosse 1972-7-11 Riverside Comment
  SD9384  Myriopteris parryi S. B. Parish, W. F. Parish Mar 1880 504 Riverside San Jacinto Mountain, desert slope Comment
  RSA27707  Nama demissa var. deserti C. L. Hitchcock 1940-3-29 5866 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  CAS-BOT-BC219361  Nama stenocarpa A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23173 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
  POM14413  Nassella cernua P. A. Munz 1922-7-4 5970 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  JEPS75681  Nassella lepida W. L. Jepson 1935-4-21 17163 Riverside Wisser Valley Comment
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Apr 7 2009
  RSA575823  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, norhteastern edge of the Gavilan Plateau on bouldery ridge (2427') to N of flats. Comment
  UCR112000  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  POM122127  Nemacaulis denudata var. denudata S. B. Parish 1906-5-1 s.n. Riverside Palm Springs. Comment
  RSA0123377  Nemacladus Duncan S. Bell, Thomas Stoughton 2016-4-14 9297 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  JEPS22335  Nemacladus orientalis Peter H. Raven 1958-3-1 11748 Riverside 8.6 mi n Blythe (on U.S. Highway 95) Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCSC001300  Nemacladus ramosissimus Peter Kamb 1948-4-11 871 Riverside Aqueduct Road east of Garnet Aqueduct Road, Garnet - Coachella Valley 30 Comment
  SEINET12336151  Nemacladus rubescens N. H. Holmgren, Holmgren, P. K.; Kern, R. E. 1973-1 6480 Riverside At the south entrance to Joshua Tre National Monument, near Interstate 10, 24 mi E of Indio 549 Comment
  JEPS60186  Nemophila menziesii L. R. Heckard 1969-4-24 2167 Riverside along highway 79 about 2 1/2 mi s Sage; s of Sage Comment
  UC64047  Nemophila spatulata H. M. Hall 1901-7 2406 Riverside in meadows or along creeks of Tamarack Valley, San Jacinto Mountains San Jacinto Mountains, Tamarack Valley 2804 Comment
  RSA772851  Nerium oleander Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4840 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR115348  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside San Bernardino Valley/ upper Santa Ana River region, Corona, SW side of I-15, between Taber and Ontario Streets 277 Comment
  RSA654980  Nicotiana attenuata A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns.: Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road. 1341 Comment
  RSA777341  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4712 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UC1922054  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA426699  Nicotiana glauca N. C. Cooper 1942-4-17 573 Riverside Palm Springs. Comment
  UC1329896  Nicotiana obtusifolia James E. Cole 1941-2-2 431 Riverside s side Pinto Basin; Joshua Tree National Monument Comment
  UCR111765  Nicotiana quadrivalvis Mitch Provance 1998-3-17 211 Riverside Jurupa Mountains, 'Pyrite Canyon', in the central dune area c. 1km south of the end of Savonia Dr. in Southridge, Fontana. 305 Comment
  RSA58890  Nolina parryi Philip A. Munz, Percy C. Everett 1950-6-23 14920 Riverside 1.5 miles SE of Kenworthy, on road toward Coahuilla and Aguanga. 1524 Comment
  SD122667  Nolina parryi C. C. Parry Mar 1876 Riverside Rocky ridges near Whitewater Station in northern Colorado Desert. Photograph of specimen only. 239 Comment
  POM3327  Oenanthe sarmentosa D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
  UC63697  Oenanthe sarmentosa W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River, Spring Brook 259 Comment
  CHSC8535  Oenothera Edward Laidlaw Smith 1958-3-21 378 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Ana Mt. Range. Colorado River drainage area. 365 Comment
  RSA0056392  Oenothera leptocarpa James R. Shevock 1972-3-5 1420 Riverside Highway 71, near Pauba Valley. 304 Comment
  RSA335031  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  SBBG69362  Oligomeris linifolia M. N. Ackley 1928-3-25 919 Riverside Indio -4 Comment
  SEINET5866663  Oligomeris linifolia E. Neese 1979-4-10 7076 Riverside About 25 miles west of Blythe, along I-10 244 Comment
  UCR112088  Oligomeris linifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23362 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 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
  UCR234282  Oncosiphon piluliferum A. C. Sanders 2012-4-12 40028 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  UCR42626  Opuntia basilaris var. basilaris A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6466 A Riverside San Jacinto Mtns. Foothills, Bautista Canyon, SE of Valle Vista, 2 mi above Bautista Flood Control Dam 610 Comment
  SEINET10447236  Opuntia echinocarpa Billy Joe Cox 1975-4-23 Cox 4172 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  RSA0010377  Opuntia megacarpa D. Griffiths 1908-8-25 9501 Riverside Banning Comment
  POM288042B  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  POM306431  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside Palms-to-Pines Hwy, east side; San Jacinto Mts. 1220 Comment
  RSA22796  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1939-9-29 9460 Riverside Desert slopes of San Jacinto range. Upper edge of Pinon Flats on the Palms-Pines Road. 1220 Comment
  POM284052A  Opuntia vaseyi Lyman Benson 1955-12-6 15620 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA206499  Orcuttia californica E. W. Lathrop 1969-9-8 7123 Riverside 6 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau Comment
  RSA0104790  Orobanche bulbosa Steve Boyd, Ken Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain. 609 Comment
  CAS-BOT-BC502866  Orobanche cooperi subsp. cooperi C. L. Hitchcock 1940-4-4 5940 Riverside Pinto Basin Comment
  CLARK-A1528-872  Orthocarpus purpurascens C. M. Flanagan 1973-5-20 OO 516 Riverside Morongo Indian Reservation Comment
  SEINET13710345  Orthocarpus purpurascens S. W. Austin, S. W. Austin 1969-1 34 Riverside on SW Side of Alberhill Rd, 2.5 Mi. NW Elsinore 1000 Ft 305 Comment
  RSA503432  Orthocarpus purpurascens var. pallidus J. D. Olmsted 1962-5-10 3656 Riverside Flats, W of crest between Sandia and Deluz Creeks laong Murrieta to Deluz Rd. 206 Comment
  SBBG132501  Oxalis californica S. D. White 2003-3-21 8825 Riverside Rancho Mission Viejo, E-facing slopes above an unnamed tributary to San Juan Crk 122 Comment
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May 28 2018
  UCR18187  Oxytheca emarginata A. C. Sanders 1978-4-30 865 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 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
  UCR147565  Oxytheca trilobata Rashmi Pant, D. L. Banks 1996-5-1 1013 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Cleveland National Forest: Along the Cutca Trail, east of the Cutca Valley, c. 0.5 miles west of the Aguanga Trail Junction Comment
  OBI8361  Paeonia californica David J. Keil, Malcolm McLeod 1977-3-26 12022 -2 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  RSA487541  Paeonia californica L. F. LaPre 1988-1-27 s.n. Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta. Comment
  RSA581747  Paeonia californica M. Wall 1995-4-14 104 Riverside Temecula Valley, along Hwy 79, 5.7 miles east of Interstate 15, southeast of Temecula, west of Vail Lake. Comment
  CLARK-A1528-691  Paeonia californica Sue Freeman 1967-2-19 Riverside 914 Comment
  CAS-BOT-BC327912  Palafoxia arida Ira L. Wiggins 1941-3-27 9670 Riverside About 4 miles NE of Desert Center on raod to Rice Comment
  CAS-BOT-BC327924  Palafoxia arida K. Larson 1976-6-8 2016 Riverside ca. 19 m SE of Indio; base of Mecca Hills. Comment
  POM308547  Palafoxia arida var. arida Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3148 Riverside 10 miles east of Indio. Comment
  RSA771035  Palafoxia arida var. arida Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4542 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1595689  Palafoxia arida var. arida W. Wisura, J. Dolan, and C. Demme 1992-4-13 4680 Riverside on Box Canyon Road 4.7 mi ne Mecca; Low Desert Comment
  UC2028837  Panicum hirticaule subsp. hirticaule G. Rink with N. Kramer, C. Shohet 2012-9-11 11695 Riverside Along the powerline west of the Sonoran West substation about 20 miles west of Blythe. Comment
  VVC2045  Panicum hirticaule var. hirticaule Tim Thomas, Alice Karl 2011-10-18 5530 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  CAS-BOT-BC422794  Papaver californicum A. C. Sanders; P. MacKay; T. Thomas; O. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  SD262333  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-14 417 27 Riverside Peninsular Ranges: Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way (Romoland 7.5'Q) 591 Comment
  UCR79251  Papaver californicum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6736 Riverside Santa Ana Mtns., San Mateo Cyn. Wilderness area. Tenaja Cyn, along trail from wilderness boundary down stream towards Fisherman's Camp 549 Comment
  CLARK-A1528-4390  Parietaria floridana John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA523506  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3965 -B Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA0041947  Parkinsonia florida Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SD95170  Parkinsonia florida M. E. Irwin 1963-4-3 Riverside 18 miles west from Blythe. 91 Comment
  SJSU5172  Parkinsonia florida R. C. McGehee 1970-4-14 187 Riverside Rice Rd 7 mi NE of Desert Center Comment
  UCD108140  Parkinsonia florida Lionel A. Stange 1956-3-31 s.n. Riverside 12 miles east of Mecca on State Highway 195. Comment
  UCSB21098  Parkinsonia florida Dunton, S. 1965-5-9 Riverside Highway 74 approaching Coachella Valley, 3.5 miles south of junction of Highway 74 and 111 304 Comment
  RSA700041  Parosela mollis W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  CLARK-A1528-4941  Pectis papposa John C. Roos 1946-9-14 3004 Riverside Asbestos Mountain 1005 Comment
  RSA0062770  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-21 7650 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  HSC82816  Pectocarya heterocarpa A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA736032  Pectocarya linearis Scott D. White, Jamie Minor 2008-3-13 11767 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR176196  Pectocarya linearis Amber Bruno 2005-4-3 02 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR183004  Pectocarya linearis Mitch Provance 2003-5-5 4405 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA689498B  Pectocarya linearis subsp. ferocula Scott D. White 2001-4-19 8374 -B Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  RSA0035941  Pectocarya platycarpa Deidre Conocchioli, Sarah J. De Groot 2014-1-23 132 Riverside Just off HWY-62 E of 29 Palms. 2.8 miles W of HWY-177, E of the Colorodo River. 104 Comment
  SBBG6315  Pectocarya platycarpa C. H. Muller 1952-4-6 9505 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  RSA799078  Pectocarya recurvata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UC2015546  Pectocarya recurvata A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 16000 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR97449  Pectocarya recurvata A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  JOTR00902  Pectocarya recurvata Sipe, Frank 1958-3-7 248 Riverside Joshua Tree National Park. NORTH OF CHOLLA PATCH Comment
  JOTR34483  Pectocarya setosa Andre, Jim 2012-4-16 20966 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCR245611  Pelargonium capitatum O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA125967  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-11-4 22751 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  RSA543733  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6068 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
  UC71513  Pellaea mucronata var. mucronata Miss Alice King Riverside Menefee Comment
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Mar 15 2014
  CHSC1849  Penstemon antirrhinoides E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  RSA650291  Penstemon centranthifolius Toppenberg 1961-5-12 s.n. Riverside Hwy. 74. Beaumont to Idyllwild. Comment
  POM307271  Penstemon clevelandii subsp. connatus Henry J. Ramsey 1937-5-30 2100 Riverside Santa Rosa Mountains. Comment
  NY583959  Penstemon clevelandii var. connatus B. J. Ertter 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road (Forest Road 7S02) from Highway 74 (Pines to Palms Highway) 1585.0 Comment
  SD111887  Penstemon clevelandii var. connatus Barbara Ertter, Jeffrey Strachan 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road (Forest Road 7S02) from Highway 74 (Pines to Palms Highway) (mak 10/07) 1584 Comment
  RSA783242  Penstemon grinnellii J. D. Olmsted 1959-6-25 680 Riverside Fern Valley NE of Idyllwild, Near Strawberry creek. 1707 Comment
  SD245487  Penstemon heterophyllus var. australis Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49543 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  POM259183  Penstemon labrosus Philip A. Munz 1938-8-14 15389 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2439 Comment
  RSA284585  Penstemon labrosus C. W. Tilforth, John Dourley 1980-7-15 2072 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UC27402  Penstemon rostriflorus H. M. Hall July, 1901 2333 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicinity of Deer Springs 2438 Comment
  RSA0014857  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View near Idyllwild. 1646 Comment
  POM11257  Penstemon spectabilis Philip A. Munz 1922-6-24 5796 Riverside Pipe Creek, Hemet Valley 1555 Comment
  SEINET11173464  Penstemon spectabilis subsp. spectabilis N. C. Cooper 1944-6-17 1422 Riverside San Jacinto Mtns. above Banning. Comment
  RSA502512  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3567 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA773473  Pentachaeta aurea Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 A Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  RSA0070733  Pentagramma maxonii Scott D. White 2006-4-27 11294 Riverside Perris Basin/San Jacinto Mtn. Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC1505621  Pentagramma maxonii Robert T. Clausen and Harold Trapido 1940-6-18 4675 Riverside mouth of Chino Canyon; Salton Sea Basin 457 Comment
  RSA687392  Pentagramma triangularis May N. Ackley 1928-4-1 85 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  RSA0070725  Pentagramma triangularis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 615 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  SEINET9628508 Image available Pentagramma triangularis subsp. triangularis C. J. Rothfels, M. D. Windham, J. Beck, A. L. Grisz, E. Schuettpeltz, K. Pryer 2008-5-14 2558 Riverside San Jucinto Mountains, San Bernardino National Forest, South Fork Canyon, south side of Hwy 74, approx. 5.5 km west of Mountain Center (as the crow flies). 651 Comment
  RSA0042379  Perityle emoryi Duncan S. Bell, LeRoy Gross 2014-3-13 6238 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA703809  Perityle emoryi LeRoy Gross 2005-3-3 1600 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC170161  Perityle emoryi E. E. Schellenger 1894-12-5 85 Riverside Chuckwalla Bench Colorado Desert, Chuckwalla Bench Comment
  UCR244877  Perityle emoryi Jim Andre 2012-3-19 21385 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  CAS-BOT-BC167772  Petalonyx thurberi Roxana S. Ferris 1918-6-14 983 Riverside On Mecca - Blythe Rd., Shaver's Well Comment
  SEINET11978708  Petalonyx thurberi Unknown 1936-1 12554 Riverside Colorado Desert N of Palm Springs Comment
  JEPS12902  Petunia parviflora P. A. Munz and I. M. Johnston 1922-5-5 5156 Riverside near Moreno (Mystic Lake); Mystic Lake Comment
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Mar 20 2011
  RSA727082  Peucephyllum schottii Naomi Fraga, Lisa Rojas 2005-2-10 1375 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA239852  Phacelia ambigua C. W. Tilforth 1973-4-29 773 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  RSA682844  Phacelia ambigua Scott D. White 2003-3-23 8836 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UCR275538  Phacelia ambigua D. E. Bramlet 2010-3-1 4459 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA791582  Phacelia ambigua var. minutiflora D. Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 137 Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  UCR111556  Phacelia brachyloba Mitch Provance 1999-5-4 1704 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR16826  Phacelia brachyloba B. Freeman 1968-5-4 680504- 8 Riverside San Jacinto Mtns., Road from Banning to Idyllwild, c. 1 mi. NW of fork to Twin Pines Ranch. 1159 Comment
  UCR215971  Phacelia brachyloba Oleg Pryadko 2008-5-2 059 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR238124  Phacelia brachyloba Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2039 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  POM343364  Phacelia campanularia F. R. Fosberg 1983-4-23 64172 Riverside Whitewater Bridge. Comment
  SDSU18657  Phacelia campanularia subsp. vasiformis Michael G. Simpson, Kristen Hasenstab 2008-4-2 2947 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  SDSU18751  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-5 490 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
  UCR241243  Phacelia cicutaria var. hispida Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 510 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR90750  Phacelia cicutaria var. hispida Scott D. White 1995-4-5 2750 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR166871  Phacelia crenulata Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  JOTR35326  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA703810  Phacelia crenulata var. ambigua LeRoy Gross 2005-3-3 1598 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR217803  Phacelia crenulata var. ambigua Jim Andre, T. La Doux 2010-2-28 12549 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  RSA0130728  Phacelia crenulata var. minutiflora Glen Rink 2013-3-18 11876 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  JOTR33951  Phacelia cryptantha La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2837 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UC663066  Phacelia cryptantha James E. Cole 1941-5-30 824 Riverside peak ese C. G. S. SDtation; Joshua Tree National Monument, Quail Mountain Comment
  RSA27410  Phacelia distans C. L. Hitchcock 1940-3-29 5858 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA336185  Phacelia distans Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52040 Riverside Just E of Palm Desert. Comment
  SD143845  Phacelia distans A. C. Sanders, P. MacKay, et al. 1997-5-4 20641 Riverside San Jacinto Mountains: North side along Highway 243, 1.5 miles below Twin Pines Ranch Road, north slope of peak 3740. 1067 Comment
  SD254636  Phacelia distans A. C. Sanders, Jim Malusa 2016-3-18 42367 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 21.5 km due N of Slab City/Camp Dunlap (Iris Pass 7.5'Q) 537 Comment
  UCSB5448  Phacelia distans Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N of U.S. 99 and 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  UCSB54159  Phacelia fremontii McKinley, Gale 1985-3-27 Riverside 1/2 mile west of Ryan campground in Joshua Tree National Monument 1280 Comment
  CLARK-A1528-562  Phacelia minor 1947-3-21 5 Riverside Rubidoux 365 Comment
  RSA0047273  Phacelia minor J. Mark Porter, Lauren E. Machen 1997-2-15 11418 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA510314  Phacelia minor Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  SEINET5518995  Phacelia minor H. M. Hall 1900-5-15 s.n. Riverside Above Moreno Comment
  UC73694  Phacelia ramosissima var. latifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR1457  Phacelia ramosissima var. suffrutescens R. D. Keys 1973-5-13 s.n. Riverside Box Springs Mtns, 0.5 - 1 mi from end of Box Springs Ridge Road. 915 Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  OBI37519  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Santa rosa Plateau Region. Tenaja Rd, 3.3 mi E of jctn with 8S01 &8S02 Comment
  SD90578  Phalaris caroliniana Robert F. Thorne, Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California, small vernal marsh 625 Comment
  UCD89176  Phalaris minor John Thomas Howell 1960-3-24 35152 Riverside La Quinta. Comment
  RSA717648  Phalaris paradoxa Scott D. White, Pam DeVries 2006-3-14 11246 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA792342  Pholisma arenarium Doris Bowers s.n. Riverside Colorado Desert, Algodones Dunes? Comment
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Mar 17 2014
  UC1039596  Phoradendron californicum H. L. Mason 1928-3-11 4233 Riverside desert flats near Indio Comment
  UC1073269  Phoradendron densum George B. Rossbach 1955-4-22 233 Riverside between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  RSA698147  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  CAS-BOT-BC141177  Phoradendron serotinum subsp. macrophyllum Scott D. White 1996-4-14 3916 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. 548 Comment
  CAS-BOT-BC171154  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  RSA423816  Physalis crassifolia M. B. Dunkle 1934-2-25 3846 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  RSA645636  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  SD111893  Physalis crassifolia Barbara Ertter, Jeffrey Strachan 1980-5-20 3467 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 456 Comment
  UCR227001  Physalis crassifolia Jim Andre 2011-2-2 16222 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  CAS-BOT-BC60806  Physaria tenella Roxana S. Ferris 1953-3-13 12607 Riverside Road along Coachella Canal east of Bat Caves Buttes near Imperial County line. Comment
  RSA356751  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-20 45541 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  UC187  Pinus jeffreyi H. M. Hall June 1901 2317 Riverside near Tauquitz 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
  UC1543055  Pinus monophylla Donald G. Nelson 1936-5-22 339 Riverside near base Santa Rosa Mountains (on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp); Ribbon Wood Camp, Pines to Palms Highway Comment
  SBBG63863  Plagiobothrys canescens M. N. Ackley -May-1929 1298 Riverside Tahquitz Lodge 1524 Comment
  UCR230198  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-29 39361 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  SEINET272152  Plagiobothrys collinus A. C. Sanders 1997-3-1 19743 Riverside Box Springs Mtns. S end of the range along Gernert Rd (dirt) in valley drainage to Box Spring Cyn. 457 Comment
  UCR171894  Plagiobothrys collinus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR234332  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2012-4-6 40004 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR250909  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-18 41025 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  RSA0057864  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 Riverside 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 311 Comment
  RSA593879  Plagiobothrys collinus var. fulvescens Steve Boyd, Dave Bramlet 1996-4-19 8621 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR228916  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-7 39028 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
  RSA562489  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  UCR237630  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-10 840 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
  UCR241802  Plagiobothrys jonesii A. C. Sanders, Ann Howald 2013-2-28 40565 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  SD224885  Plagiobothrys leptocladus Scott D. White, Marty Jacobsmeyer 1996-4-20 3967 Riverside Perris Basin. Perris Area: Near Perris Airport; ca. 100 m S of Case Rd. and 100 m W of San Jacinto River Channel. USGS Perris 7.5' quad. Open grassland. 430 Comment
  UCR97680  Plagiobothrys nothofulvus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19911 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
  HSC78732  Plagiobothrys undulatus A. C. Sanders, T. Glenn 1983-4-17 3729 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UCR211722  Plantago coronopus Fred M. Roberts 2005-5-26 6211 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, between the Ramona Expressway and Ramona Blvd, 0.2 km north of the latter, 1.9 km southwest of Gilman Hot Springs 442 Comment
  RSA621636  Plantago elongata subsp. pentasperma R. E. Riefner 1998-3-22 98 -185 Riverside Lake Elsinore. Elsinore trough between Willard and Murrieta Creek. Comment
  CAS-BOT-BC224912  Plantago erecta A. C. Sanders; T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  PASA25  Plantago erecta 1926-2-21 Riverside Thousand Palms Comment
  POM184244  Plantago erecta P. A. Munz 1932-3-24 12021 Riverside North of Elsinore 305 Comment
  UCR112091  Plantago ovata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23365 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR263504  Plantago ovata David Fraker, Aaron C. Sedgwick 2012-3-22 011 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  RSA402021A  Plantago ovata var. fastigiata Ora M. Clark 1929-2-23 1557 Riverside North of Whitewater Comment
  RSA586874  Plantago patagonica D. L. Banks, S. D. Boyd 1995-5-3 293 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA773671  Plantago patagonica Duncan S. Bell, Valentin Arvizu 2010-5-24 1094 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  RSA761892  Plantago subnuda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 705 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC4555  Platanthera leucostachys H. M. Hall July 1901 2448 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 1889 Comment
  RSA652518  Platanus racemosa T. C. Thomas 1974-7-5 s.n. Riverside Riverside. 366 Comment
  SEINET10476457  Platanus racemosa James S. Miller 1992-5-8 Miller 7463 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  CAS-BOT-BC91878  Platystemon californicus Winfield 1975-5-1 2431 Riverside Cajalco Road - 1 mile west Lake Matthews Dam. Comment
  CLARK-A1528-690  Platystemon californicus Annette Price 1962-5-1 O 57 Riverside Santa Ana Mountains Comment
  POM305297  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 545 Riverside S of Corona Comment
  UC167984  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR201468  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR262241  Platystemon californicus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3709 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA697727  Pleuraphis rigida Wilma Griset 1931-3-29 s.n. Riverside Colorado Desert, Indio. Comment
  RSA779620  Pleuraphis rigida Duncan S. Bell 2010-4-1 658 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UC818430  Pleuraphis rigida Ivan Johnston Apr 4 1917-Apr 6 1917 1093 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon 243 Comment
  UCR75043  Pleurocoronis pluriseta A. C. Sanders, E. J. Lawlor 1992-4-4 12157 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET12534744 Image available Pluchea camphorata G. R. Hall s.n. Riverside Near Riverside Comment
  CAS-BOT-BC326542  Pluchea sericea Alice Eastwood 1913-4-30 3103 Riverside Palm Springs Comment
  UC63113  Pluchea sericea H. M. Hall May 17 1901-Jun 1 1901 Riverside San Jacinto River Canyon 762 Comment
  UCR269108  Pluchea sericea Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4427 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCSB38652  Pluchea sericea Cowan, Clark 1978-4-24 Riverside 2.5 mi. (4 km.) from Ave 84, jct. of Johnson Rd. and Ave 81, near Hwy. 86 Comment
  SEINET192616 Image available Poa scabrella Philip A. Munz 1940-3-22 15658 Riverside North slope, Whitewaqater Canyon, 2 miles north of Banning-Indio boulevard Comment
  POM294734  Poa secunda Lyman Benson 1946-4-15 12014 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  UCR106051  Poa secunda A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20663 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
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  RSA388425  Polygala cornuta var. fishiae Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61187 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  POM248407  Polygonum fusiforme Philip Crow 1939-7-12 s.n. Riverside Blythe. Comment
  RSA577524  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  SD137999  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  UCR26975  Polypodium californicum E. W. Lathrop 1966-5-8 6466 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  UC846109  Populus fremontii subsp. fremontii P. A. Munz, D. Keck 1922-4-14 4975 Riverside Whitewater Ranch Colorado Desert, Whitewater Ranch (near creek) 213 Comment
  CAS-BOT-BC356160  Porophyllum gracile Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2206 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  HSC85277  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  RSA613421  Porophyllum gracile D. L. Banks 1997-4-5 1670 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR18436  Porophyllum gracile J. Olmstead 1966-5-2 s.n. Riverside Santa Rosa Mtns., Granite country SW of Black Hill, west of Hwy. 74. 976 Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  POM78961  Potamogeton foliosus I. M. Johnston 1925-7-7 s.n. Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  UC434  Potamogeton pectinatus S. B. and W. F. Parish 1891-11-3 2277 Riverside Elsinore Lake Comment
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Aug 8 2010
  UCR201655  Potentilla gracilis var. elmeri Scott D. White, Justin M. Wood 2008-5-15 12005 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  SDSU13345  Primula clevelandii var. clevelandii Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU), M. G. Simpson 2000-4-1 23 Riverside Along a poorly defined trail east of the North side field station. At the Santa Margarita Ecological Research Station (SDSU). 335 Comment
  POM348757  Prosopis glandulosa var. torreyana Elbert Benjamine 1929-4-6 141 Riverside Box Canyon, Coachella Valley, Colorado Desert. Comment
  RSA387390  Prosopis glandulosa var. torreyana Steve D. Boyd 1986-4-10 1646 Riverside Temescal Canyon: Along De Palma Road between Indian Truck Trail and Horsethief Canyon. 1.2 mile E of Indian Truck Trail. Comment
  RSA784720  Prosopis glandulosa var. torreyana Duncan S. Bell 2012-3-18 3207 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  CAS-BOT-BC216515  Prosopis pubescens W. R. Dudley 1903-12-1 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC216520  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  JEPS44624  Prunus fasciculata W. L. Jepson 1901-5-22 1344 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  CAS-BOT-BC158296  Prunus fasciculata var. fasciculata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 386 Riverside 10' south of Hwy 74 between [Sugar Loaf] Sugarloaf Cafe and entry gate to service road. Deep Canyon watershed, north slope Santa Rosa Mountains 1219 Comment
  CAS-BOT-BC356349  Psathyrotes ramosissima K. Bonner 1977-10-27 2608 Riverside 3 miles East of Chuckwalla Rd. 195 Comment
  POM13052  Psathyrotes ramosissima P. A. Munz, D. D. Keck 1922-4-12 4839 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  RSA134365  Psathyrotes ramosissima L. S. Rose 1959-1-12 59010 Riverside Cathedral City 122 Comment
  UCD84942  Psathyrotes ramosissima Chuck Hughes 2010-3-25 214 Riverside About 400 ft north of Arlington Mine Road, next to railroad tracks. 220 Comment
  SEINET3082602 Image available Pseudognaphalium biolettii D. Gordon 1952-4-17 Riverside Weeds of Southern California, U. C. Riverside. UCR campus. Comment
  UCR26135  Pseudognaphalium biolettii John C. Roos 1952-2-29 5374 Riverside Reche Canyon Comment
  SD140193  Pseudognaphalium californicum Scott White 1993-3-15 1191 Riverside Elsinore: Highway 74, just west of northwest corner of Lake Elsinore. Alluvial wash in Dickey Canyon. Comment
  JOTR30789  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  RSA393771  Psilocarphus brevissimus Robert Gustafson, Gary D. Wallace 1983-6-23 2713 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  RSA563910  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  CAS-BOT-BC361787  Psilocarphus brevissimus var. brevissimus A. C. Sanders; K. C. Rose 1998-5-21 21855 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
  UCR90361  Psoralea macrostachya D. L. Banks, V. W. Steinmann 1995-7-10 0750 Riverside Agua Tibia Mtns, NW Palomar Mtns; Cleveland National Forest; Along the Wildhorse Trail, south of Lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off the NW flank of Wildhorse Peak. 610 Comment
  CAS-BOT-BC353592  Psorothamnus arborescens var. simplicifolius Annie M. Alexander; Louise Kellogg 1941-5-22 2217 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains, Colorado Desert 975 Comment
  SBBG29404  Psorothamnus emoryi D. Myrick 1968-3-2 1794 Riverside Desert Hot Springs 304 Comment
  UCD108312  Psorothamnus emoryi Geoffrey Levin 1975-4-5 460 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  SEINET12162016  Psorothamnus emoryi C. W. Tilforth, Wisura, W. 1979-1 1907 Riverside S edge of Palm Desert along Hwy. 74, SE of Palm Springs 76 Comment
  JOTR01071  Psorothamnus polydenius Cole, James E. 1941-5-22 769 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  CAS-BOT-BC340909  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC340919  Psorothamnus schottii Marcus E. Jones 1927-4-16 s.n. Riverside Colo. Desert. Hidden Spring, near Shaver's Well Comment
  OBI43764  Psorothamnus schottii Scott Cantrell 1986-3-28 64 Riverside Cottonwood Springs Rd, S entrance to Joshua Tree Natl Monument, 1 mi N of Hwy I-10 Comment
  UC1539725  Psorothamnus schottii Chas. B. Fiker 1946-4-16 3390 Riverside West side of Colorado Desert Comment
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Mar 23 2014
  UCR16201  Psorothamnus schottii B. A. Carlson 1978-4-17 s.n. Riverside Western Colorado Desert, E of Desert Hot Springs, Jct of Dillon Road and Berdoo Canyon Road Comment
  RSA91438  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  CAS-BOT-BC340945  Psorothamnus spinosus A. M. White 1974-6-7 1394 Riverside 23 mi. N. Desert Center Comment
  JEPS41682  Psorothamnus spinosus E. E. Schellenger 1903-7 2 Riverside Chuckawalla Bench Comment
  RSA404267  Psorothamnus spinosus Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UCD84489  Psorothamnus spinosus Chuck Hughes 2010-6-15 150 Riverside About 70 feet north of Highway 62, between the highway and railroad tracks. Tree is barely inside San Bernardino County boundary by less than 30 feet. 285 Comment
  CAS-BOT-BC421256  Pterostegia drymarioides Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA392934  Pterostegia drymarioides T. L. Secrest 1948-4-7 s.n. Riverside 5 miles below Whitewater. Comment
  SD261010  Pterostegia drymarioides Mitch Provance 2012-5-24 512 9 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intesection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  UCR241821  Pterostegia drymarioides A. C. Sanders, Timothy W. Chumley 2013-4-2 40755 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR3754  Pyrola aphylla Frank C. Vasek 1964-7-12 640712- 01 Riverside Peninsular Range; San Jacinto Mountains, Pine Cove 1878 Comment
  SD122174  Quercus agrifolia James C. Dice, Ruth Miller 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. 365 Comment
  SD152836  Quercus agrifolia Steve Boyd, Tim Ross 1992-5-5 7217 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR108323  Quercus agrifolia L. C. Wheeler 1960-8-6 7779 Riverside Peninsular Range, Temescal Canyon, c. 1 mi. east of Glen Ivy, Wright Ranch. Comment
  RSA476866  Quercus agrifolia var. agrifolia Mark Morris, Richard Barkelew 1929-5-10 s.n. Riverside Indian Canyon Comment
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Nov 11 2011
  SD167108  Quercus agrifolia var. agrifolia A. C. Sanders 2005-8-12 31551 Riverside San Jacinto Mountains; western edge of Vandeventer Flat along Highway 74. 1433 Comment
  UCR260521  Quercus agrifolia var. agrifolia T. B. Salvato 2014-5-29 8050 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  RSA263706  Quercus berberidifolia E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCD170419  Quercus berberidifolia D. O. Burge 2017-3-13 2226 Riverside Perris area, Santa Rosa Plateau. 640 Comment
  UCR178612  Quercus berberidifolia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 446 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR249998  Quercus berberidifolia Jeremiah George 2012-8-8 080812- 01 Riverside Moreno Badlands, San Timoteo Canyon, south of El Casco So. Calif. Edison substation, west side of San Timoteo Creek, west of dirt SCE line access road 655 Comment
  JOTR32951  Quercus cornelius-mulleri La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 302 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Live Oak Picinic Area; coarse sandy wash with granitic outcrops Comment
  RSA495799  Quercus dumosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2908 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UCR189775  Quercus engelmannii Diane Menuz 2007-8-9 357 Riverside Peninsular Range, Temecula, along north bank of Santa Margarita River c. 0.9 mi southwest of I-15 and Hwy 79S interchange 300 Comment
  UC338415 Image available Quercus macdonaldii var. elegantula Edw. L. Greene 1889-6-1 Riverside Temecula Canyon Comment
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Mar 27 2011
  UCD47074  Quercus palmeri Rudolph Fischer 1965-10-8 3 Riverside East foothills of Thomas Mountain, Santa Rosa Range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  UCD61304  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22292 Riverside San Jacinto Mtns: W side of Burnt Valley along Burnt V. Rd. 1354 Comment
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Sep 9 2014
  UCR112025  Quercus palmeri A. C. Sanders, Mitch Provance 1998-5-14 21848 Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  UCR113553  Quercus palmeri Mitch Provance 1998-4-14 441 Riverside Jurupa Mtns., Rattlesnake Mtn., Crestmore Heights, knoll (1542), c. 4.2 km NW of downtown Riverside 400 Comment
  UCSB1230  Quercus palmeri W. Neely S.N. Riverside DESERT SIDE OF MOUNT SAN JACINTO (TOWARDS PALM SPRINGS) 1371 Comment
  RSA336408  Quercus turbinella Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52081 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  LA205367  Quercus wislizeni W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  UCR139024  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UCR149843  Rafinesquia californica Scott D. White, Michael Honer 2004-4-6 10038 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  JEPS26553  Rafinesquia neomexicana Peter Kamb 1948-4-11 861 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley Comment
  RSA676271  Rafinesquia neomexicana Scott D. White 2001-4-3 8259 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA708490  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  UC830533  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  UCR84839  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16135 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR84892  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16118 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  RSA561779  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC56738  Raphanus sativus H. M. Hall April 1902 2989 Riverside vicinity of Riverside; Southern California 457 Comment
  UCR22035  Rhamnus crocea Steve Boyd 1980-5-11 247 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM96257  Rhamnus crocea E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  UCR101451  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22217 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR89902  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  UCR136269  Rhus aromatica A. C. Sanders 2004-4-20 27544 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA503162  Rhus ovata Gary D. Wallace, G. Cromwell 1966-4-16 464 Riverside Near Alber Hill and Lake Elsinore. 823 Comment
  RSA650225  Rhus ovata James Carill 1949-3-26 s.n. Riverside 1/2 mi. So. Palm Springs. 91 Comment
  RSA736736  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SD137932  Rhus ovata Darin L. Banks, Steve Boyd 1995-3-16 108 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove, north slope of Wildhorse Peak on Wildhorse trail 669 Comment
  RSA90124  Ribes cereum E. K. Balls, P. C. Everett 1953-8-19 18541 Riverside Mtn Home Spring, santa Rosa Mt 1921 Comment
  POM256961  Ribes indecorum W. Pequegnat 1939-12-26 s.n. Riverside 1 mile NW Trabuco Peak, Santa Ana Mts. 1067 Comment
  RSA3121  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA798536  Ribes indecorum Robert F. Thorne, E. W. Lathrop 1977-5-18 49733 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  SEINET238553 Image available Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA221055  Romneya coulteri E. W. Lathrop 1966-5-8 6430 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR270314  Romneya coulteri T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8345 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  RSA388396  Rosa californica Robert F. Thorne 1985-7-18 61202 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  UCR197035  Rosa californica A. C. Sanders, D. L. Sanders 2008-9-27 36105 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  UCR241189  Rosa californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 499 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  POM366416  Rubus parviflorus H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA761751  Rubus parviflorus Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 645 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR32380  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 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
  UCR90773  Rumex maritimus D. E. Bramlet 1995-5-5 2406 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  RSA717629  Rumex salicifolius Scott D. White 2006-4-27 11288 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA741213  Rumex salicifolius Scott D. White, Justin M. Wood 2008-5-15 11990 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR101300  Rumex violascens L. C. Wheeler 1955-6-10 7155 Riverside Sonoran (Colorado) Desert, Colorado River at John's Boat Landing Comment
  CLARK-A1528-5728  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  SEINET2065953 Image available Salazaria mexicana A. C. Sanders, K. Rose 1995-4-5 16373 Riverside San Bernardino Mtns. Coachella Valley, alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UCR113884  Salix exigua Mitch Provance, A. C. Sanders 2000-7-4 2018 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR155083  Salix exigua A. C. Sanders, Kelly Volansky 2005-3-17 29240 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR425  Salix exigua P. A. Rauch 1968-2-22 s.n. Riverside San Bernardino Mtns., Cottonwood Canyon 915 Comment
  RSA650123  Salix gooddingii David B. Dunn 1948-3-13 3742 Riverside Pushawalla Canyon. Comment
  UCR189284  Salix gooddingii Fred M. Roberts, S. Leatherman 2007-9-19 6593 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  JOTR35495  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  POM319276  Salix laevigata Patricia Wilder 1971-11-11 5310 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  RSA44861  Salix laevigata J. C. Roos, L. Roos 1947-11-1 3758 Riverside Eagle Mountains, Lost Palms Canyon. Comment
  RSA171357  Salix lasiolepis J. D. Olmsted 1962-5-3 3531 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  RSA495463  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2992 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR84595  Salix lasiolepis Scott D. White, S. Ogg 1994-4-21 1962 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0010976  Salix scouleriana Robert F. Thorne, Walter Wisura 1977-9-17 50780 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA0095102  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3877 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA0095104  Saltugilia australis Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6030 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
  RSA0094961  Saltugilia australis P. A. Munz 1926-5-2 10424 Riverside 5 miles NW of Dripping Spring. Comment
  RSA123825  Saltugilia splendens P. H. Raven, Richard Snow 1957-7-26 11119 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  UC714913  Saltugilia splendens subsp. splendens R. C. Foster 1937-3-7 63 Riverside near aqueduct (w slope Whitewater Canyon); w slope Whitewater Canyon Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  RSA144726  Salvia apiana Alice Ann Webb, E. A. Phillips 1961-4-4 795 Riverside Palms to Pines Hwy. 915 Comment
  RSA411321  Salvia apiana N. C. Cooper 1944-5-19 1299 Riverside Banning. 701 Comment
  RSA450306  Salvia apiana J. C. Roos 1948-5-8 3824 Riverside Whitewater. 549 Comment
  RSA775448  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4451 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  SD137724  Salvia apiana Darin L. Banks, Steve Boyd 1995-5-9 349 Riverside North of the Agua Tibia Wilderness Area. North slopae of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area. 730 Comment
  POM13283  Salvia apiana var. compacta P. A. Munz 1922-6-26 5828 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  UC574920  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
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Sep 17 2016
  CSUSB1062  Salvia columbariae Kheng Try Seng 1966-3-27 660327 11 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA401475A  Salvia columbariae H. de Forest 1924-07 s.n. Riverside Cabazon. Comment
  RSA770687  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4789 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR279540  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-29 43185 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR60239  Salvia columbariae R. F. Thorne, M. Z. Thorne 1973-3-30 42657 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA0045242  Salvia columbariae W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  SEINET13947339 Image available Salvia columbariae N. M. Fellows, A. C. Sanders, A. Strickland 1986-1 166 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mi W of Snow Creek Village. (T3S, R3E, S1/2 Sec. 20). (+/-) 1600 ft alt. 488 Comment
  SEINET4853918  Salvia greatae Unknown 1905-4-22 5848 Riverside 4 miles northeast of Dos Palmos. Comment
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Dec 11 2019
  SEINET12273157  Salvia greatae P. H. Raven 1958-1 12907 Riverside E of Coachella Canal 3.6 mi on road up S side of Orocopia Mountains Comment
  RSA524448  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4084 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA0093766  Salvia pachyphylla Duncan S. Bell 2015-9-30 8689 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR17525  Salvia pachyphylla Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  CAS-BOT-BC233336  Salvia vaseyi A. C. Sanders; K. Rose 1995-4-27 16736 Riverside Foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park, Coachella Valley 550 Comment
  CAS-BOT-BC233347  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  RSA618391  Sambucus mexicana D. L. Banks 1997-5-5 1972 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
  UCR107739  Sambucus mexicana D. L. Banks 1997-5-5 1972 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
  UCR112798  Sambucus mexicana A. C. Sanders 1997-5-1 20618 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  SDSU17499  Sanicula arguta Jerry Jenkins 2001-4-1 2001 -022 Riverside Santa Margarita Ecological Reserve. High saddle on road to Tourmaline mine, UTM zone 6, 482500E, 3699900N. UTM transfered to GIS. Comment
  UCD127921  Sanicula arguta A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct. 381 Comment
  SEINET13945128 Image available Sanicula bipinnatifida A. C. Sanders, S. Hagopian 1981-1 2151 Riverside Hills on the south side of Pauba Valley, within 1 mile of the Hwy 71 bridge over the Temecula River. Elev 1200 ft 366 Comment
  SDSU9908  Sarcodes sanguinea unknown 1935-5-1 Riverside Idyllwild Comment
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Jan 24 2013
  UC520042  Sarcostemma cynanchoides subsp. hartwegii N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Box Canyon Comment
  UCR45939  Satureja chandleri James Henrickson 1972-5-21 7196 A Riverside Santa Ana Mtns., Santa Rosa Plateau, 2 mi. west of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Road 396 Comment
  UC56920  Saxifraga californica H. M. Hall 1902-4-26 2992 Riverside near Riverside (Box Springs Mountain); Box Springs Mountain Comment
  SEINET3225527 Image available Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37495 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 204 Comment
  UCR249661  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA777446  Schismus barbatus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 969 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UC1547006  Schismus barbatus Leila M. Shultz, John S. Shultz 1985-4-17 8317 Riverside Chuckawalla Valley, along Wiley's Well Road Chuckawalla Valley; , Wiley's Well Road 121 Comment
  UCR23183  Schismus barbatus Jane Hildreth 1981-6-4 30 Riverside San Jacinto Mtns., c. 4.5 mi south of Banning along Hwy 243 915 Comment
  UCSB466  Schismus barbatus Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  SEINET9753397 Image available Schoenoplectus tabernaemontani Richard Carter 2005-6-25 Riverside Temecula, along west side Del Rio Road, vic. jct. with Calle Cortez Comment
  UC840545  Scirpus americanus Ivan Johnston 1917-4-4 Riverside along creek (Palm Canyon, Colorado Desert, Southern California); Colorado Desert, Palm Canyon 274 Comment
  RSA520943  Scirpus microcarpus Steve Boyd, David E. Bramlet 1988-10-8 2865 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UC1076479  Scleranthus annuus subsp. annuus Herbert L. Mason 1926-4-30 3125 Riverside Pala Grade Comment
  CLARK-A1528-1235  Scrophularia californica subsp. floribunda Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  POM48922  Scutellaria siphocampyloides P. A. Munz, I. M. Johnston 1924-7-26 8717 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA0097130  Searsia lancea Marc A. Baker 2015-7-2 18374 Riverside The Badlands, 15 km SE of central San Bernardino, 1.6 km south of San Timoteo Wash. 486 Comment
  RSA0042605  Sedum spathulifolium John F. Emmel 1984-5-2 896 Riverside San Jacinto Mts.; along South Fork San Jacinto River, 0.1 to 0.2 air mile W. of the trail crossing of the river. 1121 Comment
  RSA413254  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 736 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. 323 Comment
  RSA559463  Selaginella bigelovii Steve Boyd, T. S. Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SDSU13828  Selaginella bigelovii W. Miller 1972-8-25 Riverside Comment
  UCR85260  Selaginella eremophila A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16169 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  UC729894  Selaginella watsonii Carl B. Wolf 1932-8-5 3976 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  CAS-BOT-BC327427  Senecio flaccidus var. douglasii J. W. Toumey 1894-9-27 s.n. Riverside Banning Comment
  SEINET3143117  Senecio flaccidus var. douglasii W. B. Crockatt sn Riverside Prado 91 Comment
  UCR261269  Senecio flaccidus var. douglasii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41722 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  RSA0124179  Senecio flaccidus var. douglasii N. C. Cooper 1944-7-15 1604 Riverside Palms to Pines Hwy, San Jacinto Mountain. 701 Comment
  RSA0042160  Senecio mohavensis Duncan S. Bell, Evan Meyer 2014-4-2 6512 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA776688  Senecio mohavensis Duncan S. Bell, Amanda Turek 2010-4-10 795 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA777788  Senecio mohavensis J. Andre 2011-2-9 15919 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SBBG87940  Senecio mohavensis A. C. Sanders 1986-3-3 6137 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  RSA689369  Senecio vulgaris Scott D. White 2001-4-19 8370 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
  JOTR31960  Senna armata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2196 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash Comment
  UCR279362  Senna covesii A. C. Sanders, Jim Malusa 2017-3-24 42988 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, along the Bradshaw Trail but just inside Chocolate Mtns. Aerial Gunnery Range 739 Comment
  CAS-BOT-BC438203  Sesuvium verrucosum Scott D. White; Steve Ogg 1994-10-17 2467 Riverside Temecula Valley. Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979). 310 Comment
  CAS-BOT-BC516743  Sesuvium verrucosum S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert: Coachella Valley, c. 1.2 mi SE of Mecca at jct of 68th St. & Johnson Ave. -60 Comment
  RSA605766  Setaria adhaerens A. C. Sanders 1995-5-23 17121 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. Comment
  POM1044  Setaria parviflora D. L. Crawford, I. M. Johnston 1917-6-9 1220 Riverside Santa Ana River near Corona Comment
  UCD92731  Setaria pumila Fred M. Reed 1904-7-31 57 Riverside Santa Ana River above Salt Lake Bridge. Comment
  RSA680539  Sidalcea malviflora Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9595 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  RSA433911  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1947-4-5 2042 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SBBG19540  Sidalcea sparsifolia R. Moran 1962-7-7 9867 Riverside Strawberry Crk, 2 mi SW of Idyllwild 1550 Comment
  RSA586135  Silene antirrhina D. L. Banks 1995-4-11 0178 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 829 Comment
  RSA650131  Silene gallica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA701677  Silene laciniata subsp. major Steve Boyd, Valerie Soza 2004-6-22 11555 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UC8462  Silene laciniata subsp. major H. M. Hall 1899-5-30 1217 Riverside Smith's Mt. Comment
  UC8465  Silene laciniata subsp. major H. M. Hall June, 1901 2303 Riverside San Jacinto Mountains canyons of w s