Search Results — 2000 specimen records retrieved (1890 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229366  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  CSUSB575  Abronia villosa Glen W. Forister 1967-4-2 s.n. Riverside Northwest edge of Palm Springs near Farrell Drive and Alejo Drive. 170 Comment
  POM294293  Abronia villosa Lyman Benson 1949-3-28 13582 Riverside Santa Rosa Mt Range, 1 mile N toward Palm Springs from E end of Pines to Palm Highway 91 Comment
  RSA0021331  Abronia villosa Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4657 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
  UC7620  Abronia villosa H. M. Hall 1901-6-1 2166 Riverside San Jacinto Mountains, Thomas Valley 1371 Comment
  POM728  Abronia villosa var. aurita P. A. Munz 1918-4-27 2131 Riverside Temescal Canyon. Comment
  POM294038  Abronia villosa var. villosa Lyman Benson 1945-3-29 11640 Riverside 2 miles south of Whitewater. 366 Comment
  RSA461204  Abronia villosa var. villosa M. B. Dunkle 1935-3-17 4403 Riverside Desert Center. 610 Comment
  RSA682171  Abronia villosa var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10468 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR127579  Abronia villosa var. villosa D. E. Bramlet 2003-5-28 3455 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  RSA784730  Acacia greggii Duncan S. Bell 2012-3-18 3197 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
  UCR120971  Acacia greggii Jennie Phui 1998-6-3 301 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  CAS-BOT-BC30949  Acamptopappus sphaerocephalus P. H. Raven 1958-5-18 12996 Riverside along State Highway 74, 4.9 miles north-east of Pinon Flats, San Jacinto Mountains Comment
  POM41108  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA263609  Acer macrophyllum E. W. Lathrop 1968-3-22 6917 Riverside Main Divide Truck, trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
Read comments
Apr 28 2011
  RSA701428  Achnatherum coronatum Steve Boyd, Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA772402  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4866 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
  RSA741606  Achnatherum parishii subsp. parishii Scott D. White, Justin M. Wood 2008-6-16 12132 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  JOTR37485  Achyronychia cooperi Manson, Stacy, B. Jasinkski 2016-5-24 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains, Cottonwood Canyon, off of main park road in the Coyote borrow pit Comment
  SDSU12235  Acmispon glaber var. brevialatus Tahirih Linz, M. G. Simpson 2000-4-1 3 Riverside Comment
  SBBG51125  Acmispon nevadensis var. davidsonii N. R. Zabriskie, W. Zabriskie 1973-4-6 628 Riverside Andreas Cyn 365 Comment
  SDSU13937  Acmispon strigosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2094 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  SDSU13979  Acmispon strigosus Michael G. Simpson, Adrienne Russell 2000-4-29 2077 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  JEPS30394  Adenophyllum cooperi Peter H. Raven and David Verity 1960-6-5 15499 Riverside Queen Valley; Joshua Tree Natl. Monument, Queen Valley Comment
  CAS-BOT-BC133136  Adenostoma fasciculatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UC495185  Adenostoma fasciculatum P. A. Munz 1932-4-24 12394 Riverside San Jacinto Mts., Snow Creek Canyon 457 Comment
  UCR214316  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38391 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA608234  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10068 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  CAS-BOT-BC139869  Adenostoma sparsifolium H. M. Hall 1901-8-1 2638 Riverside In the vicinity of Chalk Hill 1402 Comment
  CAS-BOT-BC69646  Adiantum capillus-veneris Nancy Ryan Zabriskie; Walter Zabriskie 1971-11-27 466 Riverside Ca. 25' n. of stream bank, ca. 200 yds. below juncture with north canyon; Andreas Canyon, e. slope San Jacinto 359 Comment
  SEINET273140 Image available Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner Area; along foot trail at W base of Tucalota Hills UTM 10km cell; MH-9E 1N. Skinner Reservoir 518 Comment
  UC4152  Agave deserti H. M. Hall Jun 1901 2117 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert Comment
  RSA559431  Agoseris grandiflora Bob Boyd 1992-5-5 7223 Riverside San Mateo Canyon wilderness Area. Oaks Flats area east of Verdugo Potrero. 732 Comment
  LA10204  Agrostis idahoensis F. M. Reed; 1908-7-11 2500 Riverside San Jacinto Mountains, on trail below San Jacinto Peak 2925 Comment
  UCR27005  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  CLARK-A1528-38  Agrostis semiverticillata C. M. Flanagan 1973-5-31 OO 618 Riverside Morongo Indian Reservation 1158 Comment
  RSA560366  Alchemilla occidentalis Steve D. Boyd 1992-4-14 6815 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA0039852  Allionia incarnata Duncan S. Bell, Evan Meyer 2014-4-2 6509 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 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
  UCR166863  Allionia incarnata 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
  CAS-BOT-BC131989  Allium haematochiton Steve Boyd 1986-3-9 1395 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and [Horsetheif] Horsethief Wash 365 Comment
  CAS-BOT-BC475445  Allium serra W. G. Wright 1894-5-1 s.n. Riverside Not specified Comment
  RSA635  Allophyllum glutinosum J. T. Howell 1928-7-8 1057 Riverside Santiago Peak Trail above Glen Ivy. 915 Comment
  GMDRC3497  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along Bell Mtn Rd, atop Bell Mtn appox 0.3 mi. N. of radio tower. Queen Mountain USGS 7.5 min quad 34 deg. .35' N 116 deg. .017' W. Elev. 4458 ft. 1359 Comment
  UCR272496  Alternanthera caracasana Mitch Provance 2013-6-18 613- 30 Riverside Santa Ana River Valley, Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  CLARK-A1528-108  Amaranthus albus John C. Roos 1951-9-25 5267 Riverside Riverside 259 Comment
  RSA654880  Amaranthus arenicola T. B. Salvato, A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCD97079  Amaranthus blitum subsp. emarginatus A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60. Comment
  SD236158  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns.: Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  CLARK-A1528-5235  Amaranthus retroflexus John C. Roos 1937-8-17 2406 Riverside San Jacinto Comment
  JEPS54324  Amaranthus retroflexus M. and J. Lesley Oct 1929 Riverside Riverside Comment
  JOTR30755  Ambrosia acanthicarpa Andre, Jim, Tasha La Doux 2007-9-6 8708 Riverside Joshua Tree National Park. Queen Valley, just E. of Geology Tour Rd. in July 2006 burn area. 1318 Comment
  UCR119409  Ambrosia confertiflora Mitch Provance 1998-6-20 752 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA760788  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 109 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UCR104874  Ambrosia dumosa George K. Helmkamp 1998-4-4 3148 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 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
  SEINET6738614 Image available Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca-Shafer Wells Comment
  CAS-BOT-BC272881  Ambrosia salsola J. Beley 1974-2-20 0436 Riverside Thousand Palms Rd. at 230 Ku Line Comment
  CAS-BOT-BC273037  Ambrosia salsola Peter H. Raven 1958-1-24 11445 Riverside Desert alluvial fan of Fargo Canyon Comment
  UCR227182  Ambrosia salsola Jim Andre 2011-2-9 15934 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  JEPS30088  Ambrosia salsola var. pentalepis Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  RSA305625  Amelanchier pallida C. W. Tilforth, B. Busenberg 1979-5-18 1802 Riverside U.S.C. Isomata Campus, along Strawberry Creek, Idyllwild. Comment
  RSA296868  Amorpha fruticosa Carl V. Meyer 1928-8-2 628 Riverside In wash at San Jacinto river at base of San Jacinto mtns. 671 Comment
  UCSB2968  Amorpha fruticosa Haller, Norman Riverside Highway 74, Cranston Ranger Station, 7 miles East of Hemet 609 Comment
  UCR17127.2  Amorpha fruticosa var. occidentalis Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  RSA0089621  Amsinckia intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall 2010-4-12 4572 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 525 Comment
  RSA499971  Amsinckia intermedia M. V. Hood 1945-3-25 s.n. Riverside Aguanga. Comment
  UC551832  Amsinckia intermedia F. R. Fosberg 1932-5-9 10638 Riverside near Hemet; St. Johns Grade 770 Comment
  UCR163218  Amsinckia intermedia T. B. Salvato, Kelly Volansky 2003-3-27 135 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA0091473  Amsinckia tessellata C. L. Hitchcock 1940-4-2 5912 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR256769  Amsinckia tessellata T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7878 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA19239  Amsonia tomentosa var. tomentosa I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA543905  Anagallis arvensis Steve Boyd, Orlando Mistretta 1991-5-22 6286 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR158134  Ancistrocarphus filagineus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30113 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
  UCR173931  Ancistrocarphus filagineus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32563 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  UCSB57881  Anemopsis californica Thorne, Robert 1973-5-23 Riverside Santa Rosa plateau-Mesa de Colorado; Grassy margin of small stream N of mesa 609 Comment
  SEINET270813 Image available Anisocoma acaulis Richard J. Shaw 1958-4-6 1098 Riverside Joshua Tree National Monument ; On road from White Tank Campground to South Entrance 610 Comment
  CAS-BOT-BC79940  Antennaria microphylla F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR116925  Antirrhinum coulterianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24220 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  CLARK-A1045-120  Antirrhinum filipes George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  CLARK-A1528-4167  Antirrhinum nuttallianum John C. Roos 1965-10-19 Riverside Reche Canyon Comment
  RSA561086  Aphanes arvensis Steve D. Boyd 1992-4-22 6995 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CLARK-A1528-1420  Apiastrum angustifolium John C. Roos 1943-4-28 2629 Riverside Comment
Read comments
Mar 22 2014
  RSA747562  Apiastrum angustifolium Michael Honer 2003-4-11 1819 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 . 640 Comment
  UCR27200  Apiastrum angustifolium Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  SD28078  Aquilegia formosa Carl B. Wolf 1932-5-24 3652 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above fish hatchery 792 Comment
  UCR241188  Arabis glabra Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 515 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA0126160  Arabis glabra Mary F. Spencer 1923-6-24 2182 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA0128805  Arabis sparsiflora Duncan S. Bell, J. D. England 2010-6-4 1264 Riverside San Bernardino National Forest: Garner Valley, along forest service road 6S13 approximately 0.5 air mile west of junction of forest service road 6S04 and forest service road 6S13. 1372 Comment
  POM12140  Arceuthobium campylopodum Mary F. Spencer 1921-7-6 1078 Riverside Idyllwild. 1616 Comment
  RSA629140  Arctostaphylos Jon E. Keeley 1992-7-16 16563 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629473  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7259 Riverside On Twin Pines Ranch Road off Highway 243. Comment
  UCR273485  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 below McGaugh Rd., west slope of the mountains at mile post 58.19, below Mountain Center 1311 Comment
  UCR277893  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42673 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  RSA526501  Arctostaphylos glandulosa subsp. adamsii Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA629455  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16803 Riverside Road to Thomas Mountain (5S15), 6.3 km north of Toolbox Spring. 1770 Comment
  UC1120228  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-28 678 Riverside ridge n S.F. San Jacinto River; San Bernardino National Forest, San Jacinto Quadrangle Comment
  POM367314  Arctostaphylos glauca Anstruther Davidson 1892-05 1765 Riverside Banning. Comment
  RSA632250  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4096 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  RSA5600  Arctostaphylos glauca var. eremicola C. B. Wolf 1932-10-12 4294 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA387365  Arctostaphylos glauca var. glauca Steve Boyd 1986-4-19 1704 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  POM307249  Arctostaphylos parryana subsp. desertica Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2240 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC44371  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Rocky ridges near Pipe Creek, above Hemet Valley, San Jacinto 1676 Comment
  JEPS26531  Arctostaphylos pringlei subsp. drupacea Peter Kamb 1947-5-17 516 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA635686  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16828 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA635689  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16603 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA635784  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16527 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635792  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16593 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA635808  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16547 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  UCR213896  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA636008  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19555 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UCR18879  Arenaria douglasii John C. Roos 1952-5-26 5726 Riverside Reche Canyon 427 Comment
  UCR213839  Arenaria macradenia Scott D. White, Justin M. Wood 2009-5-21 12856 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  CAS-BOT-BC137652  Aristida adscensionis C. L. Hitchcock 1940-3-30 s.n. Riverside Cottonwood Spring. Comment
  JEPS68442  Aristida adscensionis W. L. Jepson 1912-11-1 5262 Riverside Blythe, Palo Verde Valley 82 Comment
Read comments
Aug 29 2012
  JOTR30678  Aristida adscensionis La Doux, Tasha, Jim Andre 2008-9-13 273 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  RSA550337  Aristida adscensionis Walter Wisura, John Dolan, M. Wall 1992-3-25 4651 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  RSA792554  Aristida adscensionis Duncan S. Bell 2012-9-13 4181 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
  SEINET3918906  Aristida adscensionis David Charlton 1988-2-18 1129 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn. Rd.; 0 610 Comment
  POM219941  Aristida adscensionis var. modesta F. R. Fosberg 1932-3-13 8102 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA385010  Aristida adscensionis var. modesta Christopher Davidson, J. Jones 1980-4-4 9950 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak., Approx. 33 deg 37'N, 115 deg 53'W. Comment
  UCR242717  Aristida californica A. C. Sanders, T. B. Salvato 2012-10-12 40440 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  JOTR32023  Aristida californica var. californica La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2253 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; sandy ramps at base of Pinto Mountain (Stop 1) 504 Comment
  UCD56512  Aristida purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley, Gilman Hot Springs. Comment
  SEINET7596234 Image available Aristida purpurea var. purpurea Parish 1882-1 1549 Riverside San Jacinto Comment
  UCR176585  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, weed at residence at 4291 Alta Vista Dr. 259 Comment
  SDSU12943  Artemisia californica Jutta Buschbom 1991-5-1 12 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
  JOTR32639  Artemisia dracunculus La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2560 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  SEINET218666  Artemisia dracunculus Patricia Wilder 1971-3-20 4883 Riverside Riverside County: In dry areas along Santa Ana River at end of Pedley Street, Norco; south side of river. 244 Comment
  UC63059  Artemisia dracunculus H. M. Hall 1901-8-6 2622 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
Read comments
Sep 21 2006
  CAS-BOT-BC93690  Artemisia ludoviciana subsp. incompta Louis C. Wheeler 1931-10-4 171 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA741735  Artemisia ludoviciana subsp. ludoviciana Michael Wall 2008-10-3 490 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  RSA417412  Artemisia tridentata H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA596181  Artemisia tridentata subsp. tridentata Darin L. Banks 1996-11-7 1207 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, 0.5 km W of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 426 Comment
  JOTR36452  Asclepias albicans La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3422 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  UCR200260  Asclepias albicans J. M. Porter, Orlando Mistretta 2003-6-5 13604 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  UCR245242  Asclepias albicans Jim Andre 2012-3-19 21333 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  RSA0104762  Asclepias californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18122 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1098 Comment
  SEINET3005052  Asclepias subulata G. Rink 2011-4-28 10490 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 94 Comment
  UCR207230  Asparagus O. F. Clarke 2007-10-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM12824  Aster alpigenus Philip A. Munz 1922-9-5 6364 Riverside Meadow north of Tahquitz Valley 2226 Comment
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Aug 28 2010
  RSA574561  Aster subulatus var. ligulatus Steve Boyd 1985-8-7 1121 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  RSA575923  Aster subulatus var. ligulatus Steve Boyd 1994-9-29 8363 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA48421  Astragalus aridus E. K. Balls 1949-4-2 s.n Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  UC68632  Astragalus aridus H. M. Hall Apr, 1905 5937 Riverside McCoy Marsh , Mc Coy Marsh (Colorado Desert) 91 Comment
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Sep 5 2011
  RSA719066  Astragalus aridus Michael Honer 2005-3-18 2101 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  POM145548  Astragalus bernardinus J. B. Feudge 1926-5-9 1865 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
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Apr 6 2011
  POM122253  Astragalus crotalariae Marcus E. Jones 1926-4-3 s.n. Riverside Indian Spring [Wells] Comment
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Sep 16 2011
  POM299592  Astragalus didymocarpus var. dispermus E. C. Jaeger 1945-4-15 s.n Riverside 5 miles East of Garnet. 213 Comment
  UCR109155  Astragalus didymocarpus var. obispoensis D. L. Banks, V. W. Steinmann 1997-3-13 1523 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
  CAS-BOT-BC178450  Astragalus douglasii var. parishii H. M. Hall 1899-5-21 1117 Riverside San Jacinto Mts. 1828 Comment
  UC1128784  Astragalus douglasii var. parishii H. S. Yates 1937-6-27 6717 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  UC488913  Astragalus douglasii var. parishii C. V. Meyer June 1927 205 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1706 Comment
  UC1608238  Astragalus gambelianus Steve Boyd 1992-4-14 6817 Riverside western edge of Oak Flats area along Bluewater Tr. from Verdugo Tr. s to crest of ridge w side Bluewater Cyn (San Mateo Cyn Wilderness Area, Santa Ana Mtns); Santa Ana Mtns, San Mateo Cyn Wilderness Area 731 Comment
  UCR117315  Astragalus gambelianus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 722 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UC1287053  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside sand dunes about 15 mi s Rice (on dirt road to Blythe); s of Rice, road to Blythe Comment
  UC1547005  Astragalus insularis var. harwoodii Leila M. Shultz, John S. Shultz 1985-4-15 8391 Riverside at Wiley's Well Road between McCoy and Mule Mountains (Chuckawalla Valley depression); , bet McCoy and Mule Mountains 121 Comment
  CAS-BOT-BC187109  Astragalus lentiginosus var. borreganus Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  UCR246555  Astragalus lentiginosus var. borreganus Duncan S. Bell 2009-4-18 212 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  UCR33614  Astragalus lentiginosus var. variabilis Sears 1978-4-12 1173 Riverside Sonoran (Colorado) Desert, 5 mi northeast of Desert Center on road to Rice 165 Comment
  RSA49388  Astragalus nuttallianus var. imperfectus P. A. Munz 1949-4-11 12995 Riverside North base of Eagle Mtns. 945 Comment
  SD230229  Astragalus pachypus var. jaegeri Russell S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran Desert Transition: Horse Canyon, off Coyote Canyon Comment
  RSA90749  Astragalus pachypus var. jaegeri F. W. Peirson 1922-4-29 2950 Riverside 1 mile or more south of Dripping Springs, Temecula River 518 Comment
  JOTR16678  Astragalus palmeri Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK Comment
  CAS-BOT-BC194145  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  CSUSB1291  Astragalus pomonensis Leland R. Dykes 1962-4-22 42 Riverside Santa Ana Mountains Santa Ana Mountains. San Mateo Canyon Road. 7 miles west of Palomar Road, Murrietta. Comment
  JEPS54786  Astragalus pomonensis W. L. Jepson 1901-5-17 1250 Riverside Florida [E-W street in Hemet] , Florida (San Jacinto Valley) Comment
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Jul 5 2010
  RSA415662  Astragalus pomonensis H. E. Hasse 1892-07 s.n Riverside San Jacinto. Comment
  POM13388  Astragalus sabulonum E. C. Jaeger 1922-3-18 s.n Riverside Sands E of Mecca. Comment
  RSA23225  Atrichoseris platyphylla Ernest Braunton 1940-4-3 2017 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  RSA676284  Atrichoseris platyphylla Scott D. White 2001-4-3 8223 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCSB6734  Atrichoseris platyphylla Krogen, Roger 1957-1 Riverside 4 mi. S of jct. of Hwys 195 and 60-70, at N edge of Orocopia Mts. Comment
  CAS-BOT-BC168618  Atriplex John Thomas Howell 1930-5-10 4787 Riverside 1 mile south of Perris Comment
  RSA737102  Atriplex argentea subsp. expansa Justin M. Wood 2008-10-29 205 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  JOTR31142  Atriplex canescens subsp. canescens La Doux, Tasha 2009-6-3 1853 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  CAS-BOT-BC27906  Atriplex canescens var. laciniata Samuel Bonsal Parish 1912-10-11 8256 Riverside Caleb. Salton Basin. -60 Comment
  RSA5349  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 1606 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  HSC47343  Atriplex canescens var. linearis R. W. Spjut, Judy Adams 1978-11-22 5240 Riverside Colorado Desert, between Indian Wells and Indio along Hwy. 111 0 Comment
  RSA189415  Atriplex canescens var. linearis L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  SD80077  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-10-31 325 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  CAS-BOT-BC170236  Atriplex canescens var. macilenta Ira L. Wiggins 1941-3-24 9585 Riverside Along roadside on east side of Salton Sea, 1 mile north of Imperial County Line Comment
  SBBG122779  Atriplex coronata var. notatior A. Parikh 1990-6-14 177 Riverside N of Diamond Valley Lake, 0.4 km S of Hwy 74 (W Florida Ave), 0.7 km W of Warren Rdster Rd 457 Comment
  UCR85573  Atriplex coronata var. notatior Julie A. Greene 1993-6-11 1361 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north side of San Jacinto River levee, west of Davis Road 436 Comment
  UCR264469  Atriplex elegans Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  SD248393  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 392 Comment
  CAS-BOT-BC170255  Atriplex hymenelytra W. F. Anderson 1925-12-1 s.n. Riverside Indio Comment
  SBBG65383  Atriplex hymenelytra S. W. Hutchinson 1928-2-1 107 Riverside Thousand Palms 243 Comment
  UCR19490  Atriplex hymenelytra Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  CLARK-A1528-2523  Atriplex lentiformis John C. Roos 1936-9-21 Riverside Indio Comment
  POM278759  Atriplex lentiformis Grant D. Brown 1950-3-5 489 Riverside 3 miles east of Indio on hyway #60/70. -9 Comment
  RSA0039846  Atriplex lentiformis Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC in Outer West Spring, near the fence into Quail Triangle. Comment
  SBBG33937  Atriplex linearis L. S. Rose 1966-12-11 66096 Riverside Palm Springs 152 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
  SEINET4135539  Atriplex polycarpa Howard C. Stutz 1988-1-14 94543 Riverside Near Salton Sea, Riverside County Line, Ave. 86.; 0 Comment
  RSA502594  Atriplex rosea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3730 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  SD142848  Atriplex serenana var. serenana Craig Reiser 1996-5-9 6 Riverside Winchester: adjacent to Haddock Road in swale, Winchester Park play area situated yards away (mak 10/07) Comment
  UCR261193  Atriplex serenana var. serenana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41717 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  RSA572983  Atriplex suberecta Steve Boyd 1986-4-19 1721 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Road. Comment
  RSA685162  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  IRVC28527  Atriplex triangularis O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom just E of the old Salt Lake River Bridge. Comment
  RSA772130  Avena barbata Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4867 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
  SDSU13514  Avena barbata W. Miller 1972-7-5 Riverside Comment
  SD137968  Avena fatua Darin L. Banks, Steve Boyd 1995-5-9 321 Riverside NW Palomar Mtns, N of the Agua Tibia Wilderness Area, N slope of Agua Tibia Mtns, the Dorland Mt., area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 730 Comment
  RSA496469  Avena fatua Steve Boyd 1989-3-19 3047 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA0045164  Avena sativa Andrew Haimov, April Sleigh 1992-5-5 80 Riverside East side of Davis Road, 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA77228  Ayenia compacta F. W. Peirson 1919-4-14 2069 Riverside Murray Canyon, near Palm Springs. Comment
  CAS-BOT-BC98777  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Monson Canyon, Eagle Mts. 1066 Comment
  JEPS40702  Baccharis brachyphylla Marjorie D. Clary 1933-1-29 1761 Riverside nw of Indio (Colorado Desert, Santa Rosa Mts, Deep Canyon); Colorado Desert, Santa Rosa Mts., Deep Canyon 304 Comment
  RSA0094418  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot, Mark Porter 2015-10-19 8717 Riverside Whitewater Canyon, along the Pacific Crest Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  IRVC9315  Baccharis glutinosa Charles Leavell 1966-2-9 7 Riverside Santa Ana Canyon: off Highway 91, 200 yards east of the Riverside-Orange county line, on northeast slope. Santa Ana Mountains 213 Comment
  CDA26800  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509237 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  UCR115161  Baccharis pilularis Mitch Provance 2000-10-14 2252 Riverside Jurupa Mountains, Corner of Wilson St. and Agua Mansa Rd., at the entrance to an abandoned site of a proposed industrial complex. 268 Comment
  POM318591  Baccharis salicifolia Patricia Wilder 1971-2-4 4920 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  RSA296140  Baccharis salicifolia B. A. Prigge 1980-8-5 3885 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR270183  Baccharis salicifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42392 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA93169  Baccharis salicifolia F. W. Peirson 1920-2-15 2316 Riverside Palm Springs, Tahquitz Camp. Comment
  SEINET10859137  Baccharis sarothroides A. K. Evans 1976-4-13 Evans 5211 Riverside Desert canyons of Santa Rosa Mountains. Comment
  CLARK-A1656-809  Baccharis sergiloides Theo Glenn 1982-9-25 Riverside Snow Creek Comment
  IRVC511  Baccharis sergiloides Pat McClellan 1965-5-9 none Riverside Palm Springs Sonoran Desert Comment
  LA202997  Baccharis sergiloides Louis Wheeler; 1933-12-1 2292 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  POM153357  Baccharis sergiloides Philip A. Munz, I. M. Johnston 1928-9-6 11238 Riverside Morongo Creek, Colorado Desert 610 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
  CAS-BOT-BC295897  Bahiopsis parishii 1905-4-1 5877 Riverside Col. Desert Comment
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Sep 3 2017
  POM6936  Bahiopsis parishii Philip A. Munz, L. T. Street 1919-5-7 2722 Riverside Tahquitz Canon, Palm Springs Comment
  CAS-BOT-BC99963  Baileya pauciradiata N. Aitkenhead 1977-2-4 2288 Riverside near sand dunes N. of Mule Mountains Comment
  UCD84488  Baileya pauciradiata Chuck Hughes 2010-6-13 149 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  UCR16888  Baileya pauciradiata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  RSA519228  Bebbia juncea Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  JOTR29382  Bebbia juncea var. aspera La Doux, Tasha, Mike Bell 2006-5-10 1459 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA588839  Bebbia juncea var. aspera Darin L. Banks, Steve Boyd 1995-10-17 0782 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SFV6299  Bebbia juncea var. aspera T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 53 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UC472679  Bebbia juncea var. aspera M. F. Spencer 1921-4-10 Riverside Colorado Desert, Palm Springs Comment
  UC665555  Bebbia juncea var. aspera Annie M. Alexander and Louise Kellogg 1941-5-12 2158 Riverside road to Black Eagle Mine (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains 777 Comment
  CLARK-A1528-101  Beloperone californica 1936-10-13 Riverside Palm Desert Rancho Mirage 7.5'Q Comment
  UCR26368  Berberis dictyota A. C. Sanders 1981-7-11 2212 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  UCR252813  Berberis nevinii Ana Hernandez 2012-4-2 031 Riverside Perris Aguanga Basin, top of Oak Mountain, 35 meters north of dirt road 825 Comment
  UCR67358  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3997 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR89684  Bernardia myricifolia Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  UCSB21057  Bernardia myricifolia McMinn, Howard 1935-6-27 Riverside Grade to the valley, Palms to Pines Highway Comment
  UCR109637  Berula erecta T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  POM17936  Beta vulgaris P. A. Munz 1923-6-14 7120 Riverside 5 miles north of Corona. Comment
  UC494751  Boechera perennans Philip A. Munz and C. L. Hitchcock 1932-4-9 12229 Riverside White Tanks, e Riverside White Tanks Comment
  UC123745  Boechera platysperma F. M. Reed 1908-7-13 2527 Riverside Tahquitz Ridge San Jacinto Mountains 2590 Comment
  SD181442  Boerhavia coccinea Scott D. White 1999-4-20 7276 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. junction in Blythe. 89 Comment
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Aug 21 2019
  UCR18393  Boerhavia coccinea A. C. Sanders, J. Zabriskie 1979-8-18 0849 Riverside Sonoran (Colorado) Desert, slopes of Santa Rosa Mountains, on Hwy 74. 488 Comment
  UCR102045  Boerhavia coulteri B. G. Pitzer 1997-10-19 3350 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
  UCR130148  Bolboschoenus maritimus subsp. paludosus Joseph A. Ewan, Carl Epling 1933-5-12 7609 Riverside South shore of Lake Elsinore 378 Comment
  CLARK-A1528-4502  Bothriochloa barbinodis John C. Roos 1946-9-14 3027 Riverside Santa Rosa Mountains 1158 Comment
  RSA526373  Bouteloua aristidoides Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UC205205  Bouteloua barbata var. barbata G. B. Grant 1900-1 6737 Riverside Palm Springs Colorado Desert Comment
  UCR23973  Bouteloua curtipendula John C. Roos 1946-8-27 2786 Riverside Santa Rosa Mountains, Pines to Palms Road[Vandeventer Flats], near Pinyon Flats 1372 Comment
  SD144090  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR241789  Bowlesia incana A. C. Sanders, Timothy W. Chumley 2013-3-29 40714 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. near bridge over Temescal Wash between Temescal Canyon Rd. and I-15 Fwy 380 Comment
  POM9226  Bowlesia incana I. M. Johnston 1920-5-8 2263 Riverside Box Springs Grade Comment
  UC2029928  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  UCR264749  Brachypodium distachyon Steve Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region., City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  RSA517243  Brandegea bigelovii Steve Boyd 1986-2-18 1331 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  UCR102950  Brandegea bigelovii George K. Helmkamp 1998-4-4 3169 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR167465  Brandegea bigelovii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR176768  Brassica geniculata G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  CAS-BOT-BC36844  Brassica tournefortii Bellue 1938-6-1 s.n. Riverside Coachella Valley near Oasis. Comment
  UCD114635  Brassica tournefortii A. C. Sanders 1988-1-30 s.n. Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. Beside Warm Springs Creek, SW of Adams St. 327 Comment
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Mar 28 2014
  UCR241803  Brassica tournefortii A. C. Sanders, Ann Howald 2013-2-28 40554 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UCR51366  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside San Bernardino Valley Region, City of Riverside, W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak 457 Comment
  UCR59183  Brassica tournefortii A. C. Sanders, O. F. Clarke 1989-4-5 9034 Riverside Box Springs Mtns, On the E edge of Riverside, at end of the dirt road in Two Trees Canyon Comment
  POM159822  Brickellia arguta var. arguta E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  UC1329827  Brickellia atractyloides James E. Cole 1941-5-23 776 Riverside Split Rock Area Joshua Tree National Monument 1280 Comment
  UC597720  Brickellia atractyloides Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon Santa Rosa Mts. 1066 Comment
  UCR18574  Brickellia desertorum John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  RSA70166  Brodiaea filifolia F. W. Peirson 1930-5-10 8772 Riverside 1 mile east of Perris 457 Comment
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Nov 15 2007
  RSA679169  Brodiaea terrestris subsp. kernensis Fred M. Roberts 2003-6-1 5883 Riverside Elsinore Mtns., Elsinore peak, 0.2km SW summit. 1075 Comment
  RSA92722  Bromus berteroanus J. C. Roos, L. Roos 1952-5-24 5711 Riverside one-year-old burn on hills north of Moreno 518 Comment
  RSA683092  Bromus carinatus Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8660 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CAS-BOT-BC149308  Bromus carinatus var. carinatus Ralph Hoffman 1929-9-11 s.n. Riverside Mount San Jacinto. 1645 Comment
  UC1022803  Bromus carinatus var. carinatus Philip A. Munz 1938-8-14 15356 Riverside Santa Rosa Peak, Virgin Spring Virgin Spring; Santa Rosa Peak, Virgin Spring 2286 Comment
  JOTR16773  Bromus diandrus Hogan, J. 1974-7-11 63 Riverside Joshua Tree National Park. 0.9 MILES EAST OF EUREKA PEAK 1584 Comment
  UCD59301  Bromus diandrus A. A. Beetle 1944-4-27 1998 Riverside West of Murietta. Comment
  UCR178343  Bromus diandrus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1050 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA0064521  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR23874  Bromus hallii John C. Roos 1942-6-20 994 Riverside Peninsular Range; San Jacinto Mtns, Dark Canyon Camp, North Fork San Jacinto River 1829 Comment
  UCR104079  Bromus hordeaceus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  JOTR37759  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-2-29 715 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  POM112726  Bromus rubens Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  SBBG100551  Bromus rubens W. L. Halvorson 1977-3-13 77 -181 Riverside near Temecula Comment
  SEINET3923274  Bromus rubens R. L. Piemeisel 1913-4-27 3618 Riverside W of Crestmore.; 0 Comment
  SEINET3923303  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; 0 183 Comment
  UCR104076  Bromus rubens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20639 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR140287  Bromus rubens A. C. Sanders 2004-4-9 27458 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA495406  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2893 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR174326  Bromus tectorum A. C. Sanders, T. B. Salvato 2006-6-2 33089 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  SEINET10901257  Bromus tectorum Victor Duran 1932-5-18 Duran 3218 Riverside Idyllwild, San Jacinto Mountains. Very plentiful in this range in meadows and sheltered places in canyons. 1676 Comment
  SBBG133350  Caesalpinia gilliesii S. D. White, A. Carey 2004-7-2 10577 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR256339  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 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
  SEINET7347683  Caesalpinia virgata I. W. Clokey 1935-4-17 6717 Riverside Shafer Wells Comment
  CLARK-A1528-3811  Calandrinia ambigua John C. Roos 1949-5-5 4098 Riverside Orocopia Comment
  UCR172199  Calandrinia ciliata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR97445  Calandrinia ciliata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19864 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR48169  Callitriche longipedunculata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR60514  Callitriche longipedunculata R. F. Thorne 1973-5-23 43847 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SD90606  Callitriche marginata Robert F. Thorne, Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  RSA679166  Calochortus invenustus Fred M. Roberts 2003-6-25 5935 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  RSA588987  Calochortus plummerae D. E. Bramlet 1994-6-16 2384 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  RSA297875  Calochortus splendens David M. Hutt 1965-6-23 s.n. Riverside Raised at the Univ. of California Botanical Garden (No. 62.169) from collection by H.M. & R.S. Beard, 11 May 1962 Comment
  UCR168414  Calochortus splendens Gale Sphon 1959-5-2 325 Riverside Peninsular Ranges; Santa Ana Mountains region, Cleveland National Forest, between Upper and Lower San Juan Camps, 'Orange County 488 Comment
  UC774535  Calochortus weedii Carl B. Wolf 1941-6-27 10899 Riverside 0.3 mi e Ortega Highway summit (Ortega Highway); Santa Ana Mts. 762 Comment
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Sep 18 2011
  SD71847  Calochortus weedii var. weedii Helen V. Witham 1969-7-2 206 Riverside Near Sandia Creek, on road from De Luz to Murietta 299 Comment
  RSA652923  Calycadenia tenella A. C. Sanders 1997-5-1 20624 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  JOTR16572  Calycoseris parryi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. COTTONWOOD CANYON Comment
  POM351412  Calycoseris parryi Ora M. Clark 1929-2-23 1567 Riverside North Whitewater. Comment
  UCD129988  Calycoseris parryi William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  JEPS30622  Calycoseris wrightii Donald Kyhos 1958-2-15 58 -10 Riverside se of Desert Center (Corn Springs Wash); Chuckawalla Mts., Corn Springs 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
  SDSU17441  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 373 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 20 meters south of sign marking high point, in sandy opening among boulders. 3292 Comment
  UCR250587  Calystegia macrostegia A. C. Sanders 2013-6-20 40834 Riverside Peninsular Range, Alberhill, along lower part of 'new' Nichols Rd. extension, just west of Collier Ave. intersection, NE of Pierce St. intersection 386 Comment
  UCR116511  Calystegia macrostegia subsp. arida A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20669 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
  RSA465914  Camissonia bistorta N. C. Cooper 1944-5-6 1173 Riverside Banning. 701 Comment
  RSA465924  Camissonia bistorta Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  SEINET4680881  Camissonia bistorta R. L. Piemeisel 1913-4-27 3616 Riverside W. of Crestmore.; 0 Comment
  UCR116915  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23956 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  SEINET5584828  Camissonia boothii Stephen Hale 2010-1 Riverside Along power line, adjecent to state Route 95 121 Comment
  RSA692203  Camissonia boothii subsp. condensata Scott D. White, Michael Honer 2003-5-14 9286 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA799380  Camissonia boothii subsp. condensata Duncan S. Bell 2013-4-7 4756 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  RSA135607  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11469 Riverside Colorado Desert. At edge of canyon, on road to Cottonwood Springs, 4.5 miles S of State Highway 195. Comment
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Jun 9 2012
  RSA136653  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11751 Riverside Colorado Desert. Alluvial plain near Colorado River, along US Highway 95, 35.8 miles north of Blythe. Comment
  RSA6087  Camissonia californica Carl B. Wolf 1932-5-25 3670 Riverside San Jacinto Mountains. 1/2 mile below Fish Hatchery, lower edge of upper Sonoran zone, Snow Creek, north base of mountains. 549 Comment
  RSA770706  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4811 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR88113  Camissonia californica A. C. Sanders, G. Nuhn 1995-4-20 16590 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  SD3347  Camissonia campestris subsp. campestris Ruth Randall 1922-4-9 219 Riverside Coachella; Painted Canyon. Comment
  UCD103332  Camissonia campestris subsp. campestris Robert C. Bechtel 1952-3-28 26 Riverside Perris. 443 Comment
  RSA454736  Camissonia cardiophylla Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA454739  Camissonia cardiophylla Christopher Davidson, Josephine Jones 1980-4-4 9937 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA701045  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11290 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
  SEINET4568273 Image available Camissonia cardiophylla Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4600 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CLARK-A1703-1218  Camissonia claviformis Charlotte Stocks 1963-4-20 Riverside Box Canyon Comment
  UCR165268  Camissonia claviformis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  POM265109  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1937-3-9 8759 Riverside 5 miles west of Shaver's Well. 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
  UC1122174  Camissonia claviformis subsp. aurantiaca H. S. Yates 1937-3-23 6399 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  RSA186678  Camissonia hirtella Peter H. Raven 1962-4-28 17487 Riverside Ortega Highway 1 mile above its east base, Santa Ana Mountains 488 Comment
  UCR202233  Camissonia hirtella Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR213569  Camissonia hirtella A. C. Sanders, Matthew Malle 2010-4-23 37995 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR50297  Camissonia hirtella B. G. Pitzer, Et al. 1987-5-23 0566 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  UCR58881  Camissonia hirtella Ed LaRue 1989-5-4 s.n. Riverside 2 mi NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  UCR87657  Camissonia hirtella A. C. Sanders 1994-3-29 14572 Riverside San Bernardino Mtns, E branch Millard Canyon, along FS Road 4S45 1200 Comment
  UCR98302  Camissonia hirtella Scott D. White 1993-5-29 1458 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  SEINET244295  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley; Riverside, UCR Botanical Garden E side of the campus 396 Comment
  CLARK-A1656-761  Camissonia pallida Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  SEINET1109638  Camissonia pallida A. C. Sanders, K. C. Rose 1995-1 16368 Riverside San Bernardino Mtns. Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  RSA186572  Camissonia pallida subsp. hallii Peter H. Raven 1958-5-5 12884 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  POM14084  Camissonia pallida subsp. pallida P. A. Munz, D. Keck 1922-4-14 4978 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM272038  Camissonia pallida subsp. pallida Lyman Benson 1933-3-31 4156 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  POM7067  Camissonia pallida subsp. pallida P. A. Munz, L. T. Street, G. Williams 1919-3-28 2384 Riverside Palm Springs Desert 198 Comment
  POM98819  Camissonia refracta P. A. Munz 1926-1-31 9947 Riverside Dos Palmos [Palmas] Spring. Comment
  SEINET3005000  Camissonia refracta G. Rink 2011-4-4 10428 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UC1922393  Camissonia refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR237633  Camissonia refracta Duncan S. Bell, Amanda Turek 2010-4-10 805 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  UCR88119  Camissonia refracta A. C. Sanders, G. Nuhn 1995-4-20 16584 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  HSC86987  Camissonia strigulosa David Charlton 1988-5-21 1966 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  SBBG92277  Camissonia strigulosa J. Hirshberg 1989-4-4 Riverside S of town of Murrieta, W of Mesa de Burro near head of Cole Cyn; Santa Rosa Plateau, 487 Comment
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UCR98686  Camissonia strigulosa S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  SD134430  Camissoniopsis confusa Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  SBBG51035  Camissoniopsis hirtella N. R. Zabriskie, W. Zabriskie 1973-4-25 646 Riverside Deep Cyn drainage, E side Hwy 74, opposite Black Hill 914 Comment
  RSA511358  Cardamine californica var. integrifolia B. Pitzer, E. Misquez 1988-3-20 670 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  RSA0105835  Carduus pycnocephalus Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA608475  Carex heteroneura var. heteroneura L. C. Wheeler 1961-6-20 7896 Riverside West fork of Tahquitz Creek. 2378 Comment
  UCR18399  Carex multicaulis A. C. Sanders 1978-5-13 00836 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1677 Comment
  UC2030129  Carex nebrascensis Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38142 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Woods above James Reserve. Comment
  UC1951106  Carex praegracilis Scott D. White, Justin Wood 2009-5-22 12901 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR208190  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Peninsular Range; Santa Ana Mtns. Region, Murrieta 305 Comment
  POM49566  Carex sartwelliana Phillip A. Munz 1924-7-28 8815 Riverside Pine Flats 1738 Comment
  SBBG95115  Carex schottii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 179 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mtns, 1 mi W of Snow Crk Village 487 Comment
  SD136988  Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, west of junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main truck of San Mateo Creek. 671 Comment
  RSA0105942  Castela emoryi Alan Romspert 2000-4-15 s.n. Riverside East of Dupont road, Chuckwalla Mountains. Comment
  RSA679195  Castilleja applegatei subsp. martinii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1445 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA730596  Castilleja densiflora Robert F. Thorne, Walter Wisura 1978-5-21 51975 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA772020  Castilleja exserta Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4950 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
  UC1537443  Castilleja exserta Gordon H. True Jr. 1935-3-14 100 Riverside near Gavilan Peak; Gavilan Hills 609 Comment
  UC886552  Castilleja exserta P. A. Munz and I. M. Johnston 1922-5-19 5444 Riverside 2 mi below Kenworthy; San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR116860  Castilleja exserta A. C. Sanders, Steven R. Hill 2001-5-4 24133 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA0010926  Castilleja exserta subsp. exserta N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  POM48323  Castilleja foliolosa E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  UC1951109  Castilleja foliolosa Scott D. White, Justin Wood 2009-5-22 12918 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  RSA448785  Castilleja minor subsp. spiralis David Young 1969-4-12 P- 387 Riverside 10 mi. SE. of Helmet, California on State St. 335 Comment
  UCR152631  Caucalis microcarpa A. C. Sanders 2005-4-22 29584 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  JOTR37756  Caulanthus cooperi Hodges, Stephen R. 2016-2-29 712 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  CAS-BOT-BC41142  Caulanthus heterophyllus A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19879 Riverside Lake Skinner area. Lower Rawsom Canyon, northeast of the lake and southwest of Black Mountain, along the road. 518 Comment
  SBBG87902  Caulanthus heterophyllus L. F. LaPre 1986-4-17 Riverside Bull Cyn, Gavilan Hills (cf. var. pseudosimulans Buck, nom. illegit.) Comment
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May 31 2013
  HSC85460  Caulanthus lasiophyllus Steve Boyd 1986-4-2 1608 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA564042  Caulanthus lasiophyllus var. rigidus D. Bramlet 1993-4-13 2323 a Riverside Approxiamtely 61m S of the existing Lake Mathews access road, some 549m N of Cajalco road, in the Cajalco bend area. The site is 1.2km W of Lake Mathews Drive. Comment
  JEPS29489  Caulanthus simulans Lauramay T. Dempster 1962-4-18 1901 Riverside Palms-to-Palms Highway Pinyon Flats (Pinyon Flats) 1066 Comment
  UCR86710  Caulanthus simulans Jeri Hirshberg 1995-5-30 s.n. Riverside San Jacinto Mtns, Edge of Bonita Vista Rd. about 1 mi west of intersection with Apple Canyon Road. 1585 Comment
  RSA398895  Ceanothus crassifolius M. B. Dunkle 1935-3-3 4354 Riverside San Juan Canyon. 762 Comment
  RSA517100  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3019 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA606774  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27363 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SEINET3076062 Image available Ceanothus crassifolius B. Pitzer, L. LaPre 1987-3-2 426 Riverside Bundy Canyon, ca. 2.0 mi SE of Lake Elsinore and 0.5 mi N of Bundy Canyon Rd off Raciti Rd. 701 Comment
  UC1070690  Ceanothus greggii var. perplexans A. E. Wieslander 1929-4-2 52 Riverside n slope San Jacinto Mts. San Jacinto quad. 1371 Comment
  RSA586046  Ceanothus leucodermis D. L. Banks, S. D. Boyd 1995-3-16 98 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  UCR13726  Ceanothus leucodermis R. S. Woglum 1941-6-12 3053 Ab Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  UCR30793  Ceanothus leucodermis A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3865 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  UC718443  Ceanothus oliganthus var. oliganthus P. C. Everett 1935-6-18 7208 Riverside ca 1.5 mi n Main Divide Motorway (Coldwater Canyon trail.); Santa Ana Mts. Comment
  CAS-BOT-BC51646  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  RSA755792  Ceanothus ophiochilus Dylan O. Burge 2007-3-20 DOB 800 c Riverside Agua Tibia Wilderness Area, Cleveland National Forest. 0.66 road miles from Woodchuck Road on abandoned fire road, accessed via Woodchuck Road, parking 0.93 road miles from Highway 79., Site is 12.8 km 274 degrees true west-northwest of Aguanga. 660 Comment
  POM254873  Ceanothus palmeri W. Pequegnat 1940-5-17 s.n. Riverside Main Divide Rd. 1311 Comment
  UCR165203  Ceanothus papillosus Robert Cox 2003-9-8 s.n. Riverside Peninsular Ranges, Santa Ana Mtns., Main Divide Road, between Bedford and Bald peaks 1098 Comment
  RSA735983  Ceanothus pauciflorus Scott D. White, Justin M. Wood 2008-5-29 12038 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  SBBG34228  Ceanothus perplexans T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR399  Ceanothus perplexans John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., north slope of Mt. San Jacinto, [at/near Mt. Edna Rd.] 6 mi. SE of Banning on Hwy 243 1159 Comment
  POM305802  Ceanothus spinosus Henry J. Ramsey 1937-4-2 1057 Riverside Elsinore - Capistrano. Comment
  UCR5997  Ceanothus tomentosus Robert A. Clark 1966-3-19 031966- 09 Riverside Santa Ana Mtns, Sky Line Drive 4 miles from entrance off Chase Ave 762 Comment
  RSA158466  Ceanothus tomentosus var. olivaceus P. A. Munz 1927-5-20 10826 Riverside 10 miles south of Hemet Comment
  RSA488921  Centaurea melitensis Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UCR182505  Centaurea melitensis Mitch Provance 2005-5-17 6564 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
  UCR199619  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC284480  Centaurea solstitialis Jerry Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley near Hwy 215 Comment
  RSA644299  Centaurea solstitialis Scott D. White 1995-7-13 3473 Riverside NE Santa Ana Mtn foothills. Alluvial fan below [unnamed] canyon. +/- 1/4 mi SW of Grand Ave. (City of Lake Elsinore), directly downslope from hairpin turn on SH 74. 488 Comment
  CLARK-A1528-387  Cerastium glomeratum C. M. Flanagan 1973-5-12 OO 415 Riverside Morongo Indian Reservation 1158 Comment
  RSA784845  Cerastium glomeratum J. D. Olmsted 1959-6-23 567 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  SD224910  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp 1996-3-17 17983 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn., ca. O.5 km E of Palm Canyon Dr. on Bogert Trail. 163 Comment
  UCR273111  Cerastium glomeratum Mitch Provance 2001-4-21 17013 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  RSA405363  Cercidium floridum W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
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Apr 1 2019
  UCD113019  Cercocarpus betuloides Ted C. MacRae 1995-5-25 s.n. Riverside Santa Rosa Mountains, 2.4 miles NE of Pinyon Flats on Highway 74. 1219 Comment
  SDSU13900  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA131712  Chaenactis artemisiifolia E. K. Balls 1958-6-27 23294 Riverside Yellow Pine Forest. Santa Ana Mts. , between Santiago Peak and Indian Truck Trail along Main Divide. 1311 Comment
  UCR213535  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37805 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCSB23358  Chaenactis carphoclinia Shaw, M. 1964-4-5 Riverside 1.5 miles east of junction of State Highway 195 and turnoff to U.S. Highway 70 to Joshua Tree National Monument 594 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
  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
  UC724353  Chaenactis carphoclinia var. carphoclinia Aven Nelson, Ruth A. Nelson 1939-3-29 3324 Riverside Hidden Springs Canyon; near Palm Grove Comment
  UC90179  Chaenactis carphoclinia var. carphoclinia S. B. and W. F. Parish 1882-4-1 Riverside Aqua Caliente Comment
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Jun 9 2012
  RSA93829  Chaenactis carphoclinia var. carphoclinia F. W. Peirson 1922-4-11 2858 Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  CAS-BOT-BC276942  Chaenactis fremontii P. C. Everett; N. F. Lolonis 1963-5-3 24493 Riverside Colorado Desert, US Highway 99, 2.7 miles SE of exit to 29 Palms and Yucca Valley 30 Comment
  POM259906  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA21381  Chaenactis fremontii C. B. Wolf 1937-5-4 8526 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  RSA34531  Chaenactis fremontii N. C. Cooper 1944-4-8 1046 Riverside Andreas Canyon 457 Comment
  RSA700061  Chaenactis fremontii Scott D. White, Michael Honer 2003-4-25 9091 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
  UC1478689  Chaenactis fremontii Barry Prigge with L. Martinez 1978-3-23 2416 Riverside 1.2 mi e of Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UC63006  Chaenactis fremontii W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1850 Riverside e base San Jacinto Mt. 914 Comment
  UCD130323  Chaenactis fremontii James Henrickson 1963-3-29 1203 Riverside 9 miles E of Mecca, along Highway 195. 182 Comment
  UCR214329  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38388 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR24931  Chaenactis glabriuscula A. C. Sanders 1980-7-18 01683 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  UCSB6428  Chaenactis glabriuscula Sager, Ginny 1960-5-1 Riverside San Jacinto Mtns between Banning and Idyllwild 1219 Comment
  RSA516765  Chaenactis glabriuscula var. glabriuscula Ed LaRue 1989-4-26 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice Canyon. 488 Comment
  RSA97129  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1925-5-20 9826 Riverside 2 miles W of Dripping Spring. 427 Comment
  UC31027  Chaenactis glabriuscula var. lanosa H. M. Hall Jun 1901 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  CAS-BOT-BC100677  Chaenactis parishii H. M. Hall 1901-6-1 2128 Riverside Santa Rosa Mountain, hillside of Coyote Canyon 1524 Comment
  RSA13799  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  CAS-BOT-BC284340  Chaenactis stevioides A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37430 Riverside SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Road, Sonoran (Colorado) Desert 170 Comment
  SBBG98300  Chaenactis stevioides M. B. Dunkle 1935-3-17 4397 Riverside Desert Center 609 Comment
  UC1329848  Chaenactis stevioides James E. Cole 1941-6-17 920 Riverside Live Oak Tank (dry) Joshua Tree National Monument 1219 Comment
  RSA659661  Chamaesyce albomarginata J. C. Roos 1951-9-25 5269 Riverside Fairmount 259 Comment
  RSA797565  Chamaesyce micromera Marc Baker, Michelle Cloud-Hughes 2011-12-18 17502 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SEINET3089924 Image available Chamaesyce pediculifera A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett, et al. 1986-3-9 6231 Riverside Painted Gorge, 5.1 miles N of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo. 152 Comment
  RSA736554  Chamaesyce polycarpa Scott D. White, Angelia Carey 2004-7-2 10579 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC194833  Chamaesyce polycarpa S. B. Parish 1916-5-13 10830 Riverside Cottonwood Springs Colorado Desert 792 Comment
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Oct 9 2010
  UC869060  Chamaesyce polycarpa Lewis S. Rose 1938-12-24 38347 Riverside 19 mi e Indio (Blythe Rd) 3 Comment
  POM19837  Chamaesyce serpillifolia subsp. hirtula Mary F. Spencer 1923-10-8 s.n Riverside [Unspecified] 1524 Comment
  RSA598702  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6141 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  UCR80727  Chamelaucium uncinatum Steve Boyd 1989-4-14 3248 Riverside Peninsular Range, W side Hwy 15, 0.5 mi. south of Rainbow Exit, south of Temecula 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
  POM12529  Cheilanthes covillei Philip A. Munz 1922-3-12 4714 Riverside Andreas Canyon Comment
  RSA388057  Cheilanthes covillei Steve Boyd 1985-12-25 1199 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor. Comment
  RSA770695  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4800 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC218615  Cheilanthes covillei S. B. Parish 1918-4-3 11691 Riverside Canyon Santa Ana River 914 Comment
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Nov 20 2011
  UCR96421  Cheilanthes covillei Scott D. White 1996-8-15 4460 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA667021  Cheilanthes newberryi Scott D. White, Dave Bramlet 1999-4-22 7235 Riverside Ridgetop, north-, west-, and northwest facing slopes of Bachelor Mtn. 549 Comment
  RSA615511  Cheilanthes parryi L. C. Wheeler 1952-12-15 7026 Riverside Riverside Mountains: Mountaineer Mine. . Comment
  RSA685805  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 349 Riverside Andreas Canyon watershed. 366 Comment
  UC688907  Cheilanthes parryi John Thomas Howell 1927-8-1 2886 Riverside Morongo Canyon; Colorado Desert 609 Comment
  RSA192156  Chenopodium ambrosioides E. W. Lathrop 1966-5-15 6310 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  SEINET244775  Chenopodium californicum A. C. Sanders, D. Malueg 2002-4-8 27911 Riverside Perris-Aguanga Basin; Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NW Murrieta. 396 Comment
  SEINET3090675 Image available Chenopodium californicum Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. Comment
  CLARK-A1656-768  Chenopodium murale Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  UCR156372  Chenopodium pumilio T. B. Salvato, Kent Beaman 2005-5-16 865 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
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  UCR133023  Chilopsis linearis Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  UCR163665  Chilopsis linearis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; east of Salton Sea, along Coachella Canal, NW of Frink 24 Comment
  OBI30219  Chilopsis linearis subsp. arcuata George J. Ley 1971-4-7 P 73 Riverside 2 mi N of Palm Srpings, off hwy III, W on dirt road approx. 1/4 mi into Chino Canyon. 244 Comment
  POM202929  Chilopsis linearis subsp. arcuata L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  UCR130511  Chloris truncata R. E. Riefner Jr. 2003-5-27 03- 254 Riverside Perris-Aguanga Region, Perris Valley, Rider Street near Perris Valley Storm Drain 457 Comment
  UCR10807  Chlorogalum pomeridianum Ruth Cooper 1968-5-18 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  SBBG87405  Chorizanthe brevicornu var. brevicornu A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6011 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR127500  Chorizanthe coriacea A. C. Sanders, D. Malueg 2003-5-8 26576 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR137560  Chorizanthe coriacea A. C. Sanders 2004-5-5 27758 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  POM122120  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR37414  Chorizanthe parryi var. parryi Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  UCR154432  Chorizanthe polygonoides subsp. longispina A. C. Sanders, Mike Misenhelter 2005-6-15 30940 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR174329  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32562 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  UCR217552  Chorizanthe procumbens Diane Menuz 2008-4-24 431 Riverside Peninsular Range: Santa Ana Mts, Cleveland Natinal Forest. Along Los Alamos Canyon. 70 m north of Wildomar Road 409 Comment
  RSA0031016  Chorizanthe rigida Jim Andre 2013-3-27 24805 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA191736  Chorizanthe rigida Robert F. Thorne 1963-3-29 32419 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA392737  Chorizanthe rigida E. C. Jaeger 1922-3-29 815 Riverside Chuckwalla Valley. 259 Comment
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May 29 2011
  RSA559921  Chorizanthe rigida Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6910 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  SBBG16842  Chorizanthe rigida K. K. Muller 1958-3-22 917 Riverside Hwy 60, 7 mi E of Desert Center Comment
  RSA586797  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-3 235 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
  JEPS57758  Chorizanthe xanti W. L. Jepson 1914-5-25 6065 Riverside San Gorgonio Pass 518 Comment
  UC449704  Chorizanthe xanti var. leucotheca C. R. Orcutt Apr 1891 Riverside Cabazon Comment
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Mar 13 2011
  SEINET2049586 Image available Chrysanthemum carinatum Claudia Petrie 1988-4-1 Riverside State University, Grown in experimental fields at U.C. Riverside. Comment
  RSA38715  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  UCD103716  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  CDA37528  Chylismia brevipes subsp. pallidula D. Griffin & A. Gilbert 1983-2-16 Riverside Mule Mountains; 6 miles northwest of Palo Verde, on 30th Avenue. 0 Comment
  UC873921  Chylismia cardiophylla subsp. cardiophylla Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert 304 Comment
  OBI30389  Chylismia claviformis T. Pringle 1966-2-22 22 Riverside Colorado Desert, along hwy 60, 1 mi SE of Garnet Comment
  CDA37651  Chylismia claviformis subsp. aurantiaca T. C. Fuller 1962-4-4 7996 Riverside Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  SD215581  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan and M. Wall 1992-3-24 4618 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  SEINET10799495  Cichorium intybus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3636 Riverside Found 100 yards above Quad 6 in the wash. In fruit. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  RSA741377  Cirsium scariosum Scott D. White, Justin M. Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA0070886  Cirsium scariosum G. R. Campbell 1951-5-30 16156 Riverside Northern end of Hemet Valley, San Jacinto Mountains. 1616 Comment
  RSA778392  Cistanthe ambigua Amber Swanson, Linda Jean Foster 2011-10-8 642 Riverside Large wash off Blythe Rice Rd 270 Comment
  CAS-BOT-BC438864  Cistanthe monandra Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA191739  Cistanthe monandra R. F. Thorne 1963-3-29 32420 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  UCR16585  Cistus incanus Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, 10 ft. from water station, 1/4 mi west of Strawberry Creek on Hwy from Hemet to Idyllwild Comment
  UCR37455  Clarkia deflexa Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCR275200  Clarkia purpurea T. B. Salvato, Gregg Miller 2005-6-7 1454 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  SBBG128624  Clarkia purpurea subsp. quadrivulnera S. R. Hill, A. C. Sanders 2001-5-4 33701 Riverside Temecula, along new gas line right-of-way, N of Del Ray Rd near jct with Calle Pina Colada 381 Comment
  SD185274  Clarkia purpurea subsp. quadrivulnera T. B. Salvato, Kent Beaman 2005-5-16 765 Riverside San Jacinto Mountain Foothills: San Jacinto River East of Valle Vista, just downstream from the Forest Service boundary and North of CA Highway 74. (Blackburn Canyon 7.5' Q.) Old Clearing. in the wash woodland; a single dense colony. 548 Comment
  UCR182534  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2003-4-17 4631 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  POM153216  Clarkia similis P. A. Munz 1927-5-20 10816 Riverside 10 miles S. of Hemet. Comment
  UCR112821  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA615097  Claytonia parviflora subsp. parviflora D. L. Banks 1997-3-29 1582 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SEINET273059 Image available Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-26 20113 Riverside Lake Skinner area; shallow valley at NW foot of Tucalota Hills. along dirt rd 0.65 mi E of main Lk. Skinner. UTM 10km c 460 Comment
  RSA519251  Clematis pauciflora Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR26579  Clematis pauciflora John LaSalle 1982-5-4 s.n. Riverside Peninsular Range, 2.4 mi west of Radec across the Hwy from Vail Lake turnoff from Hwy 79. Comment
  SDSU13524  Cnicus benedictus W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UCR110  Cnicus benedictus Frank C. Vasek 1955-5-21 210 Riverside San Jacinto Mtns. Foothills, 6 mi east of Hemet [on Hwy 74; Valle Vista area] 549 Comment
  RSA0117424  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3985 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0117459  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1096 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
  RSA0030787  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UCR92231  Collinsia heterophylla D. L. Banks, Steve Boyd 1995-5-3 0263 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
  POM10307  Conyza bonariensis F. M. Reed 1907-9-9 1906 Riverside Roadside on Chicago Ave 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
  RSA495464  Conyza coulteri Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2993 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  SEINET7067550  Cordylanthus rigidus subsp. rigidus A. G. Vestal 1947-6-13 s.n. Riverside About 3.1 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 474167mE, 3702625mN. Comment
  SD229209  Cordylanthus rigidus subsp. setiger Dick Schwenkmeyer 2012-8-6 774 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  RSA643671  Coreopsis bigelovii A. C. Sanders 1995-4-13 16489 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blvd. 701 Comment
  POM356005  Coreopsis californica Ora M. Clark 1929-4-6 1943 Riverside South of Hemet. Comment
  CAS-BOT-BC287191  Corethrogyne filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mile E of Murrieta Rd and 1 mile N of Bundy Canyon Rd, ca 5 miles due S of Sun City 488 Comment
  RSA23703  Corethrogyne filaginifolia R. S. Woglum 1937-10-20 1198 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  RSA761325  Corethrogyne filaginifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 683 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0130299  Coryphantha alversonii Anonymous 1947-1 s.n. Riverside Cottonwood Springs Area. Comment
  UCR137499  Crassula connata D. L. Banks, V. W. Steinmann 1997-3-13 1528 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
  UCR92043  Crassula connata Scott D. White 1995-3-30 2664 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR111566  Crassula tillaea Mitch Provance 1999-5-4 1690 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA575913  Cressa truxillensis Steve Boyd, Darin L. Banks, Bob Boyd 1994-9-29 8373 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  CAS-BOT-BC181565  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert 304 Comment
  POM153341  Crossosoma bigelovii Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  RSA545237  Crossosoma bigelovii R. F. Thorne 1970-10 41887 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA771029  Crossosoma bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4536 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR602  Crossosoma bigelovii S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  RSA708172  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  SBBG67680  Croton californicus M. N. Ackley 1928-3-11 353 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SD233275  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Coachella Valley area: Edom Hill; along Edom Hill Road near dump. 0.6 miles from junction of Varner Road and Edom Hill Road. 259 Comment
  SD236275  Croton californicus A. C. Sanders, Mike Misenhelter 2008-6-10 35447 Riverside San Bernardino Valley: Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel. 231 Comment
  UCR20828  Croton californicus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1296 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
  JOTR01098  Croton californicus Cole, James E. 1941-5-30 823 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  UCR94939  Croton setiger Scott D. White 1996-9-22 4530 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  RSA588595  Crypsis schoenoides D. L. Banks, Steve Boyd 1995-10-17 806 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  SEINET239045 Image available Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23107 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 H 433 Comment
  CAS-BOT-BC189256  Cryptantha Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  HSC3570  Cryptantha angustifolia R. A. Eagle 1964-3-28 14 Riverside 7 mi. out along the Thunderbird road. Comment
  RSA0026164  Cryptantha angustifolia Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17710 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  RSA707355  Cryptantha angustifolia Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 4 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 N 91 Comment
  RSA719069  Cryptantha angustifolia Michael Honer 2005-3-18 2097 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  RSA776817  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1090 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  SBBG6234  Cryptantha angustifolia C. H. Muller 1952-4-6 9503 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  SEINET3152142  Cryptantha angustifolia S. B. Parish 1907-4-15 6158 Riverside Western base of the Colorado desert. 450 Comment
  UC665819  Cryptantha angustifolia Ira L. Wiggins 1941-5-24 9562 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UC79308  Cryptantha angustifolia T. S. Brandegee 1901-3-28 Riverside Indian Wells Comment
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Jul 5 2010
  UCR213277  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37426 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  PASA1975  Cryptantha barbigera Sally Ellis 1939-3-31 Riverside Colorado Desert Comment
  POM368288  Cryptantha barbigera Robert Gustafson 1983-3-27 2487 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  UCR41595  Cryptantha barbigera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6116 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  GMDRC2333  Cryptantha barbigera var. fergusoniae J. Andre 2006-4-6 8148 Riverside Little San Bernardino Mountains: Joshua Tree National Park: approx 50 m. N. of Keys View Parking area. Elev. 5094 ft. 1553 Comment
  SD186127  Cryptantha barbigera var. fergusoniae N. M. Fellows, A. C. Sanders and A. Strickland 1986-4-8 180 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains. 488 Comment
  SDSU20613  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2008-3-8 1484 Riverside East of SR 62, southwest corner of Worsley and Painted Hills Road (aka Pierson Road). Lower Big Morongo Canyon, on roadside of Worsley Road. 384 Comment
  UCR182318  Cryptantha corollata Mitch Provance 2003-4-5 6619 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  SEINET3409358  Cryptantha costata G. Rink, M. Honer 2013-3-17 11856 Riverside About ten miles west of Blythe, to the south of an existing solar power plant, on the site of the proposed Quartzite solar power plant 125 Comment
  SEINET7063042  Cryptantha decipiens A. G. Vestal 1962-4-8 s.n. Riverside About 3.5 miles northeast of Lake Elsinore and 2.5 miles east of the junction of Route 74 with Route 71. UTM Zone 11, 471840mE, 3730600mN. (WGS84/NAD83). 503 Comment
  RSA0023243  Cryptantha dumetorum J. Andre 2013-3-4 23868 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  SEINET200257  Cryptantha dumetorum Francia Chisaki, Peter M. Ray 1952-4-6 2199 Riverside Joshua Tree National Monument ; About 0.25 mile west of Cottonwood Springs. Comment
  POM368240  Cryptantha holoptera M. B. Dunkle 1933-5-6 3436 Riverside Painted Canyon Comment
  RSA691983  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-2 8917 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  RSA772527  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4433 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 W116.64307 487 Comment
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Oct 4 2013
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  UCR117325  Cryptantha intermedia Mitch Provance 1998-6-11 659 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR171982  Cryptantha intermedia John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR241692  Cryptantha intermedia T. B. Salvato 2013-3-22 7400 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 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
  SEINET10456281  Cryptantha intermedia Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7144 Riverside Scattered Yellow Pine at margin of large valley, 5.9 mi SE of jct of Idlewild Road & Hwy 74 on 74. 1341 Comment
  SEINET12280820  Cryptantha intermedia Unknown 1936-1 12768 Riverside W of Bonning Comment
  SD71852  Cryptantha intermedia var. johnstonii Helen V. Witham 1969-7-2 205 Riverside Sandia Canyon, 4 miles south of Murietta on road to De Luz 299 Comment
  RSA151903  Cryptantha maritima Peter M. Ray 1949-3-5 1334 Riverside Along hillcrest, Willis Palms, near 100 Palms, Coachella Valley, Riverside County Comment
  RSA779587  Cryptantha maritima Duncan S. Bell 2009-3-7 19 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR130117  Cryptantha maritima Scott D. White 2001-4-3 8274 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA721898  Cryptantha maritima var. pilosa J. Mark Porter, Orlando Mistretta 2003-6-5 13606 -A Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA653544  Cryptantha micrantha var. lepida Scott D. White 1999-5-24 7379 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA792627  Cryptantha micrantha var. lepida R. F. Thorne 1995-3-29 63025 Riverside White Water Canyon 600 Comment
  SD39194  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6471 Riverside Desert floor, Palm Springs, western Colorado Desert. Comment
  JEPS119484  Cryptantha microstachys Clark Cowan 1978-4-25 1273 Riverside San Jacinto Mountains. 5.1 miles (8.1 km) west on Highway 74 from junction with 243, approaching Hemet. Comment
  UCR213566  Cryptantha microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37813 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
  RSA613426  Cryptantha muricata D. L. Banks 1997-4-5 1666 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
  RSA678951  Cryptantha muricata Scott D. White, Michael Honer 2003-6-3 9464 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SD29589  Cryptantha muricata var. denticulata Darley F. Howe 1941-6-9 1125 Riverside Mt. San Jacinto 1525 Comment
  POM14165  Cryptantha nevadensis P. A. Munz, D. D. Keck 1922-4-9 4800 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  UCR216112  Cryptantha nevadensis Jim Andre, T. La Doux 2009-2-25 10807 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SBBG53354  Cryptantha nevadensis var. nevadensis J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UCD119980  Cryptantha nevadensis var. rigida Elizabeth Milauskas 1994-5-7 9 Riverside Agua Caliente Indian Reservation near Palm Springs, 4 blocks west of Via Monte Vista near Dam. 161 Comment
  POM305855A  Cryptantha oxygona Henry J. Ramsey, Henry J. Ramsey 1938-4-23 1165 -A Riverside Santa Rosa Mtns. Comment
  UCR268082  Cryptantha pterocarya Jim Andre 2012-4-11 20679 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  CLARK-A1528-2232  Cryptantha racemosa John C. Roos 1948-5-1 3815 Riverside Whitewater 609 Comment
  JEPS67818  Cryptantha racemosa W. L. Jepson 1914-5-18 6013 Riverside n of Indio (between Pinyon Well and County Well); Colorado Desert 762 Comment
  RSA0041943  Cryptantha racemosa Duncan S. Bell, Loraine Washburn 2014-4-10 6592 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  UC1178519  Cryptantha simulans Peter Kamb 1948-7-4 1178 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UC1178529  Cryptantha simulans Peter Kamb 1948-7-11 1190 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  POM13218  Cryptantha utahensis E. C. Jaeger 1921-4-7 1128 Riverside Mission Creek, Colorado Desert Comment
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Nov 5 2011
  RSA0121054  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-29 9116 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA234105  Cryptantha utahensis R. F. Thorne, R. Carolin 1967-3-21 41635 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  POM11166A  Cryptogramma acrostichoides Philip A. Munz 1922-9-7 6411 Riverside San Jacinto Peak, near the summit 3277 Comment
  UCR194214  Cucurbita foetidissima Scott D. White, Angelia Carey 2004-6-4 10475 A Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR231193  Cupressus forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  RSA717672  Cuscuta denticulata A. C. Sanders, G. Nuhn 1995-4-20 16587 Riverside Colorado Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns., NE of 1000 Palms. 350 Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
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Nov 5 2011
  UCR120409  Cycloloma atriplicifolium Mitch Provance 1998-5-25 876 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  RSA0097552  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18296 Riverside Chuckwalla Mountains, Corn Springs Wash, 3.3 km WNW of Corn Spring, 70 km west of Blythe. 579 Comment
  UCR47050  Cylindropuntia californica var. parkeri Karin Cleary-Rose 1987-5-21 070 Riverside San Jacinto Valley, San Jacinto, north side of Gilman Springs Road, 0.4 km SE of its intersection with Bridge Street 463 Comment
  SEINET5624455 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17534 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  JOTR35523  Cylindropuntia echinocarpa Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-12 131 Riverside Joshua Tree National Park. Eagle Mountains; foothills west of Eagle Mountain 1091 Comment
  SEINET9037432 Image available Cylindropuntia ganderi var. ganderi M. A. Baker 2015-1 18385 .2 Riverside San Jacinto Mountains, 25km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain 1236 Comment
  SBBG119269  Cyperus involucratus R. F. Thorne 1965-4-4 41861 Riverside Tahquitz Falls, Tahquitz Cyn Comment
  RSA500573  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3579 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA802141  Cystopteris fragilis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5008 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  RSA48422  Dalea mollis E. K. Balls 1949-4-12 12907 Riverside Near Durmid on Hwy 111 by Salton Sea. -67 Comment
  SEINET4034479  Dalea mollis Bigelow, Foster; Cazier 1968-1 sn Riverside 3 mi. south of Rice. Comment
  HSC14692  Dalea mollissima H. E. Parks, W. H. Jordan Feb 1940 24162 Riverside Santa Rosa Canyon 305 Comment
  UC126761  Dalea mollissima H. M. Hall Apr. 1905 5975 Riverside Mule Mtns., near Hodge Mine, Colorado Desert Comment
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Nov 24 2016
  RSA91431  Dalea mollissima F. W. Peirson 1916-04 570 Riverside Region of Palm Springs. Comment
  RSA91432  Dalea mollissima F. W. Peirson 1922-4-11 4428 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs 244 Comment
  RSA502505  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  HSC87237  Datura stramonium Steve Boyd 1987-10-10 2093 Riverside Riverside, N Main St. just S of Santa Ana River Comment
  UCR35272  Datura wrightii L. B. Ziegler 1964-9-2 27 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  RSA500216B  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3527 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC294110  Deinandra kelloggii H. M. Hall 1905-6-1 6239 Riverside Hills east of Riverside Comment
  SD129598  Deinandra kelloggii Ed LaRue 1989-6-11 Riverside West side of Lakeview Mountains, ca. 1 mile southeast of Nuevo. 640 Comment
  SD181706  Deinandra kelloggii Scott D. White 2000-6-3 7999 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA675703  Deinandra mohavensis Scott D. White 2000-10-24 8142 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  UC1929633  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region; McCall Memorial Park Campground. 1311 Comment
  UCR19802  Deinandra mohavensis W. W. Mayhew 1977-10-2 s.n. Riverside San Jacinto Mtns, Hwy 243, 1 mi SE of Poppet Flat Road 1372 Comment
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Jan 8 2013
  RSA16362  Delphinium cardinale Percy C. Everett 1935-6-17 7170 Riverside Temescal canyon, between Corona- Elsinore Highway and Glen Ivy Resort. 366 Comment
  UC854177  Delphinium parishii subsp. parishii I. W. Clokey, B. C. Templeton 1930-4-9 4696 Riverside North of Palm Springs. Colorado Desert 51 Comment
  UCR123823  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA591819  Delphinium parryi E. W. Lathrop 1969-5-8 7016 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC9216  Delphinium parryi A. J. McClatchie April 1892 30 Riverside near Elsinore Comment
  SD229211  Dendromecon rigida Dick Schwenkmeyer 2012-4-18 707 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  JEPS53453  Descurainia pinnata Marjorie Clary 1931-4-4 16 b Riverside Coachella Colorado Desert, Coachella Valley (Coral Reef Ranch) Comment
  RSA775969  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 860 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  UCD114666  Descurainia pinnata C. L. Hitchcock; C. V. Muhlick 1962-3-16 22133 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
  CAS-BOT-BC402293  Dicentra chrysantha Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Station, near Temecula 365 Comment
  UCR260886  Dicentra chrysantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41569 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 396 Comment
  UCR158262  Dichelostemma capitatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30117 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
  IRVC35  Dichelostemma capitatum subsp. capitatum R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  RSA770883  Dicoria canescens Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4639 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR109774  Dicoria canescens R. D. Goeden, Don W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert, c. 7 mi. south of Granite Pass, west side of Desert Center-Rice Road (Hwy 177), 21.8 miles north of Desert Center, 5.1 miles south of junction with Highway 62 285 Comment
  SEINET11855652  Dicoria canescens L. S. Rose 1935-12-19 35664 Riverside Colorado Desert, Palm Springs 138 Comment
  RSA0043131  Dieteria asteroides John Wallace, Steve McNabb 1991-5-5 15 Riverside Palo Verde Dam. 20 yards west of outflow footbridge, 30 yards north of abandoned storage yard. Comment
  SEINET269429 Image available Diplacus bigelovii var. bigelovii John Wear 1995-1 Riverside Colorado Desert; wash along Eagle Mountain Road north of I-10 near Desert Center Comment
  SEINET222285  Diplacus fremontii B. Ertter, J. Strachan 1979-1 2989 Riverside Banning-Idyllwild Rd (Hwy 243) at Black Mt turnoff (Forest Rd 4Sol), San Jacinto Mts Comment
  CAS-BOT-BC150873  Diplacus puniceus C. F. Baker 1904-4-4 4152 Riverside Elsinore Comment
  SD245481  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  SD245482  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Moutains: Along Ortega Highway (74). Comment
  RSA0019302  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-6-2 562 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, approximately 1/4 mile S of the clay grasslands. 902 Comment
  UCR239908  Diplotaxis muralis O. F. Clarke 2003-4-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  HSC24982  Ditaxis lanceolata R. W. Spjut 1972-2-1 2162 Riverside Colorado Desert, N base of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  CAS-BOT-BC43645  Dithyrea californica Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mountains. Comment
  SBBG62189  Dodecahema leptoceras unknown -May-1901 Riverside Elsinore Comment
  POM13286  Draba cuneifolia var. integrifolia E. C. Jaeger 1920-3-1 1057 Riverside Palm Springs Comment
  RSA0019582  Drymocallis glandulosa var. wrangelliana I. M. Johnston 1918-4-27 1873 Riverside Temecula Canyon. 610 Comment
  RSA650212  Dryopteris arguta Richard Phillips 1929-1-14 s.n. Riverside Collected in Cleveland Park [National Forest] 304 Comment
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Nov 9 2011
  CAS-BOT-BC427976  Dudleya arizonica S. B. Parish; W. F. Parish 1882-4-1 588 Riverside Borders of the Colorado Desert, Whitewater Comment
  UCR164937  Dudleya lanceolata T. B. Salvato, John F. Green 2004-5-27 624 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
  UCR3506  Dudleya lanceolata Frances Miller 1964-5-9 M- 6432 Riverside 20 ft below R.R. tracks, base of Box Springs Mtns., near end of Big Springs Rd. 381 Comment
  OBI32761  Dudleya saxosa Wendy Smith 1981-1 Riverside Comment
  UCR72237  Dyssodia porophylloides Theo Glenn 1991-5-27 91- 121 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  RSA779017  Echinocactus polycephalus var. polycephalus Duncan S. Bell 2010-4-1 677 Riverside Arica Mountains: east side of mountain range approximately 1.5 air miles northwest of Priests Well, and approximately 5.7 air miles southwest of the ghost town of Rice. 389 Comment
  SEINET4890282 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .3 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west baseof San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  CAS-BOT-BC59760  Echinocereus engelmannii var. engelmannii L. R. Abrams 1926-3-26 11210 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0018887  Echinochloa colona Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6022 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA0078225  Echinochloa colona Sarah J. De Groot, Amy Rouillard 2015-9-15 7563 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR59234  Echinochloa crus-galli Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  UCR95726  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  SEINET954735  Ehrharta longiflora Tom Chester 2005-1 581 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  UCD169372  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  UCR155152  Elatine brachysperma A. C. Sanders, Kelly Volansky 2005-3-17 29198 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
  RSA234014  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 37921 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  RSA357153  Elatine chilensis R. F. Thorne 1973-5-23 43851 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  CAS-BOT-BC113604  Eleocharis acicularis Frederick Morris Reed 1908-7-12 2480 Riverside Lake Surprise, San Jacinto Mts. 2743 Comment
  UC1922815  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UCR154935  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA591816  Elymus E. W. Lathrop 1968-5-24 6934 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco Ddistrict. 915 Comment
  RSA588836  Elymus X gouldii D. L. Banks, Steve Boyd 1995-10-17 779 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  CAS-BOT-BC227735  Elymus elymoides Carl B. Wolf 1932-8-5 3948 Riverside San Jacinto Mts. Along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  UC38217  Elymus elymoides subsp. elymoides H. M. Hall 1901-6-10 2065 Riverside San Jacinto Mountains; s side 1615 Comment
  SD178092  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region; Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  OBI32762  Emmenanthe penduliflora Richard L. Irwin 1962-4-21 39 Riverside Beneath center of Crestomore Rd bridge over Santa Ana River and ca 100 ft W 244 Comment
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Aug 24 2013
  SEINET3091516 Image available Emmenanthe penduliflora Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  RSA0117837  Encelia actoni Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7804 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1235 Comment
  UC1929885  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside SAN BERNANDINO MOUNTAINS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. (Whitewater) Comment
  LA205845  Encelia farinosa F. R. Fosberg; 1932-3-13 8067 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA708067  Encelia farinosa Scott D. White, Angelia Carey 2004-4-16 10172 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR142735  Encelia farinosa F. W. Peirson 1922-4-9 1331 Riverside San Jacinto Mountains/ Sonoran (Colorado) Desert, Murray Canyon, Palm Springs region, c. 0.5 mi. above mouth 305 Comment
  UCR232397  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak 177 Comment
  NY688828  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway, ca. 0.45 mile downhill from 3000 ft. marker. Comment
  RSA383800  Ephedra aspera E. C. Jaeger 1922-3-22 s.n. Riverside Murray Canyon 305 Comment
  RSA534620  Ephedra aspera Frederick W. Oettinger 1969-4-9 866 Riverside San Bernardino Mts., Whitewater Canyon: c. 10 mi. NNW of Palm Springs. Comment
  RSA383881  Ephedra californica N. C. Cooper 1944-3-25 1040 Riverside Morongo Pass. 457 Comment
  RSA776572  Ephedra californica Amber Swanson 2011-4-8 370 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR91061  Ephedra nevadensis Bern Schwenn 1994-2-20 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Little San Bernardino Mtns. 'Hidden Gold' Canyon near the Hidden Gold Mine. Above the Park Service barrier at the bottom end of the curve, in S13. 854 Comment
  CAS-BOT-BC81861  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA0019796  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -B Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  RSA596531  Epilobium brachycarpum D. L. Banks 1996-7-16 1128 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road) . 427 Comment
  UCSB37835  Epilobium campestre Roos, John 1952-5-28 Riverside San Jacinto river bottomlands, 1 mile south-east of Perris 426 Comment
  CAS-BOT-BC171740  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  RSA162774  Epilobium oregonense J. D. Olmsted 1959-7-1 713 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
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Jun 21 2008
  RSA0121452  Equisetum laevigatum Duncan S. Bell, LeRoy Gross 2016-3-30 9131 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SEINET13709263  Equisetum telmateia J. Adams, J. Adams (Botany) 1966-1 744 Riverside Santa Rosa Plateau, on Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  UCSB51372  Eragrostis cilianensis Roos, John 1965-7-7 Riverside San Jacinto Comment
  UCR2386  Eragrostis mexicana subsp. mexicana F. M. Reed 1906-7-15 1469 Riverside Roadsides in Riverside Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  JEPS68602  Eremalche exilis W. L. Jepson 1927-4-11 11629 Riverside Whitewater n.w. Colorado Desert, Whitewater 457 Comment
  RSA719035  Eremalche exilis Michael Honer 2005-3-11 2065 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR113872  Eriastrum densifolium subsp. austromontanum Mitch Provance, A. C. Sanders 2000-7-4 2091 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC514305  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA0110540  Eriastrum densifolium subsp. austromontanum I. W. Clokey, E. G. Anderson 1935-8-21 6829 Riverside East of Keen Camp P. O. 1350 Comment
  UC1787318  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mountains: Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 682 Comment
  SDSU3046  Eriastrum densifolium subsp. elongatum S. J. Banrhart 1966-4-24 Riverside 1 mile east of McAllister Street along the Metropolitan Water Co. Utility Road (Dirt). which is 1.5 miles south-east of the intersection of McAllister Street and Victoria Avenue. 457 Comment
  SEINET3860213  Eriastrum eremicum Leigh A. Johnson, Deborah A. Johnson 1997-3-29 97 -012 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, ca 1.5 miles north of I-10.; 0 500 Comment
  JOTR34313  Eriastrum eremicum subsp. eremicum Andre, Jim 2012-4-11 20811 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  UC666379  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway. 243 Comment
  UCR104932  Eriastrum sapphirinum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  UCR125208  Eriastrum sapphirinum Mitch Provance 1998-5-24 536 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  UCR21965  Eriastrum sapphirinum Steve Boyd 1980-5-20 292 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  VVC373  Eriastrum sapphirinum A. C. Sanders, J. Mac 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  RSA0118097  Eriastrum sapphirinum subsp. brevibracteatum Sarah DeGroot, Kristin Forgrave 2013-6-4 7010 Riverside Off Rouse Hill Road, Forest Route 5S15, ~0.9 miles from Highway 74. In canyon below road. 598 Comment
  RSA0122015  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd 1986-5-7 1844 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA0122961  Eriastrum sapphirinum subsp. sapphirinum C. W. Tilforth, W. Wisura 1979-8-8 1900 Riverside Garner Valley at Lake Hemet, Highway 74. 1326 Comment
  RSA0122977  Eriastrum sapphirinum subsp. sapphirinum C. B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains: Point View near Idyllwild. 1646 Comment
  JOTR30827  Ericameria cuneata var. spathulata La Doux, Tasha, Jim Andre 2008-9-16 343 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  SEINET5727172 Image available Ericameria cuneata var. spathulata Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7092 Riverside Joshua Tree National Park; ca. 1.7 mi SE of jct. of the road to Cottonwood Headquarters and the road to the town of Joshua Tree; near the White Tank campground.; Joshua Tree National Park Comment
  RSA0117926  Ericameria linearifolia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7636 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  RSA33456  Ericameria linearifolia Norman C. Cooper 1944-3-25 1003 Riverside Cabazon. 457 Comment
  JOTR01233  Ericameria linearifolia Cole, James E. 1942-5-10 956 Riverside Joshua Tree National Park. 1341 Comment
  GMDRC2526  Ericameria nauseosa var. mohavensis J. Andre, T. La Doux 2007-9-6 8703 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  UC604141  Ericameria nauseosa var. oreophila Edmund C. Jaeger 1938-10-21 Riverside 15 mi s of Warren's Well; Little San Bernardino Mts., Joshua Tree National Monument 1280 Comment
  UCR151123  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UC1751187  Ericameria paniculata S. B. Parish 655 Riverside Whitewater Comment
  UCR106353  Erigeron divergens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 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-BC296245  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2147 Riverside Eastern base San Jacinto Mountains, along the borders of the Colorado Desert Comment
  RSA601198  Erigeron strigosus S. Morgan 1994-3-25 94 -1 Riverside A weed in the UCR Botanic Garden Comment
  SEINET4344746  Eriodictyon crassifolium I. W. Clokey, E. G. Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  UC1087301  Eriodictyon crassifolium E. K. Balls and P. C. Everett 1957-11-4 22743 Riverside Snow Creek; n base San Jacinto Mts., Snow Creek 701 Comment
  UCR87934  Eriodictyon crassifolium var. crassifolium A. C. Sanders, N. Ferguson 1994-6-2 14623 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  SBBG65116  Eriodictyon crassifolium var. nigrescens V. Duran 1933-7-1 3489 Riverside near Santa Rosa 1676 Comment
  CAS-BOT-BC248621  Eriogonum apiculatum Peter Kamb 1950-9-12 1930 Riverside West side of Mt. San Jacinto on ridge north of North Fork of San Jacinto River 2286 Comment
  SD22475  Eriogonum apiculatum Susan G. Stokes 1933-7-1 Riverside Idyllwild to summit 1676 Comment
  CAS-BOT-BC242793  Eriogonum davidsonii Steve Boyd 1987-2-12 1966 Riverside Temescal Canyon, southeast of Corona, where Horsetheif [Horsethief] Wash crosses Temescal Cyn Rd. 353 Comment
  CAS-BOT-BC242802  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  POM305214  Eriogonum deflexum var. deflexum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 592 Riverside Indio-(20 mi. east) Comment
  UC849368  Eriogonum deflexum var. deflexum Lewis S. Rose 1938-12-24 38348 Riverside 20 mi e Mecca 3 Comment
  UCR199724  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10683 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR140742  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2004-5-11 27851 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR176889  Eriogonum fasciculatum subsp. polifolium Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  CAS-BOT-BC249898  Eriogonum fasciculatum var. flavoviride Annie M. Alexander; Louise Kellogg 1941-5-15 2190 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  RSA569010  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-6-17 1410 Riverside Banning. 701 Comment
  SD22408  Eriogonum fasciculatum var. foliolosum Susan G. Stokes 1890-5-23 Riverside Comment
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Feb 18 2013
  CAS-BOT-BC250134  Eriogonum fasciculatum var. polifolium Lewis S. Rose 1946-1-3 46011 Riverside Palms to Pines Highway 1066 Comment
  JOTR29157  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1234 Riverside Joshua Tree National Park. Key's view Comment
  RSA0117852  Eriogonum fasciculatum var. polifolium Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA0123106  Eriogonum fasciculatum var. polifolium Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9013 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA751631  Eriogonum fasciculatum var. polifolium G. Gust, L. Nye 2005-3-11 543 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCR100084  Eriogonum fasciculatum var. polifolium R. G. Swinney 1967-3-5 332 Riverside San Jacinto Mountains/Colorado Desert, Snow Creek, on E side of desert slope 366 Comment
  RSA33368  Eriogonum gracile var. gracile N. C. Cooper 1943-9-26 929 Riverside Cabazon. 610 Comment
  RSA500555  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3606 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR12003  Eriogonum inflatum W. Shapeero 1954-4-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [Park] Comment
  POM229427  Eriogonum inflatum var. deflatum P. A. Munz 1937-5-29 15145 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  RSA5160  Eriogonum inflatum var. inflatum Carl B. Wolf 1932-4-26 2971 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  UC68577  Eriogonum inflatum var. inflatum H. M. Hall Apr 1905 5908 Riverside Chuckwalla Springs Colorado Desert, Chuckwalla Springs Comment
  UC2062983  Eriogonum maculatum Anna Kostikova with Glen Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Santa Rosa Mountains, outcrop of carbonated rocks (limestones): Belvedere Road, turn from Highway 74 uphill towards white rocks. Comment
  CHSC1327  Eriogonum nidularium E. Thomas 1939-10-1 Riverside Temescal canyon along Santa Ane Wash. Comment
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Dec 17 2019
  POM13683  Eriogonum parishii P. A. Munz 1922-6-29 5894 Riverside Santa Rosa. 2043 Comment
  JOTR16817  Eriogonum plumatella Hogan, J. 1974-6-27 75 Riverside Joshua Tree National Park. ABOUT 0.75 MILES EAST OF EUREKA PEAK 1584 Comment
  JOTR33762  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2760 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
  SEINET2444091  Eriogonum reniforme C. Davidson 2010-4-1 11643 Riverside Highway 168 to Joshua Tree National Park, ca 1 mile from 1-10. 515 Comment
  RSA772580  Eriogonum saxatile Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5051 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UC218022  Eriogonum saxatile P. A. Munz and I. M. Johnston 1922-5-6 5232 Riverside Smith Water Canyon Little San Bernardino Mts., Smith Water Canyon 1219 Comment
  CAS-BOT-BC263524  Eriogonum thomasii John H. Thomas 1957-3-30 6526 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  CAS-BOT-BC263530  Eriogonum thomasii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  RSA766144  Eriogonum thomasii F. W. Peirson 1930-3-29 1897 Riverside Painted Canyon Comment
  RSA788978  Eriogonum thomasii Aaron C. Sedgwick, David Fraker 2012-3-28 34 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR233170A  Eriogonum thomasii Jim Andre, Glenn L. Clifton 2011-2-22 17441 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UC1922708  Eriogonum thomasii Michael Honer with L. Hulse 2004-4-2 1878 Riverside Colorado Desert; Little San Bernardino Mountains region: East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. Comment
  CAS-BOT-BC262877  Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1219 Comment
  RSA424933  Eriogonum thurberi T. W. Minthorn 1926-5-14 s.n. Riverside Near Banning. Comment
  UCR102938  Eriogonum thurberi George K. Helmkamp 1998-4-3 3075 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR111991  Eriogonum trichopes A. C. Sanders, T. B. Salvato 2000-4-27 23372 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  RSA420616  Eriogonum wrightii var. membranaceum E. A. McGregor 1963-11-6 68 -a Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  RSA420619  Eriogonum wrightii var. membranaceum M. B. Dunkle 1934-11-3 4235 Riverside Ribbonwood. Santa Rosa Mountain. 1524 Comment
  UC496514  Eriogonum wrightii var. membranaceum Philip A. Munz 1932-10-16 12839 Riverside Palm Creek Sata Rosa Mts., Palm Creek 1463 Comment
  UCR5722  Eriogonum wrightii var. membranaceum O. F. Clarke 1966-10-5 661005- 41 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  CAS-BOT-BC261789  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA346256  Eriogonum wrightii var. nodosum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54060 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA615117  Eriogonum wrightii var. nodosum A. C. Sanders, P. Mackay 1994-10-23 15845 Riverside Whitewater River canyon, between the trout hatchery and Bonnie Bell. 780 Comment
  CDA29163  Eriophyllum confertiflorum Mike Lahti 2009-5-5 PDR# 1501682 Riverside 0 Comment
  JOTR34189  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2983 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  LA34815  Eriophyllum confertiflorum var. confertiflorum Mary V. Hood; 1945-3-25 45- 1 k* Riverside Aguanga 587 Comment
  JEPS5398  Eriophyllum wallacei W. L. Jepson 1928-4-25 12597 Riverside between the Cottonwood Mts. and Eagle Mts. (in wash below spring, s end of Joshua Tree National Monument); Joshua Tree National Monument, Cottonwood Spring Comment
  POM305633  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1937-3-2 866 Riverside Betw Desert Center and Indio Comment
  RSA715095  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-3-14 5195 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  UC1523457  Eriophyllum wallacei Robert F. Thorne and C. W. Tilforth 1980-5-28 54231 Riverside 3.2 mi n of Whitewater Post Office on Hwy 10; San Bernardino Mts, Whitewater River Comment
  UC896375  Eriophyllum wallacei Lewis S. Rose 1937-4-9 37090 Riverside Cabazon 563 Comment
  UCR155320  Erodium brachycarpum A. C. Sanders, Mike Misenhelter 2005-3-23 29247 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JOTR32133  Erodium cicutarium La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2289 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  OBI30175  Erodium cicutarium Bruce H. Lewis 1970-3-16 T 3 Riverside Along State Hwy 71, S of the Elsinore fwy intersection. Open field at the corner of Lawson-Hunt Rd 396 Comment
  RSA0126276  Erodium cicutarium Duncan S. Bell 2016-3-4 8806 Riverside Orocopia Mountains; northwest section of the range, in a small canyon approximately 4 air miles north northwest of the Orocopia Mountain summit area. 622 Comment
  UC1536993  Erodium cicutarium Gordon H. True 1935-3-1 29 Riverside Box Springs 365 Comment
  UCR213836  Erodium cicutarium Scott D. White, Justin M. Wood 2009-5-21 12850 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCR233578  Erodium moschatum A. C. Sanders, John F. Green 2012-4-12 40038 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  RSA0020240  Erythranthe floribunda M. B. Dunkle 1933-7-21 3725 Riverside Idyllwild. 1616 Comment
  CAS-BOT-BC151589  Erythranthe parishii Louis B. Ziegler 1969-6-12 s.n. Riverside Hemet Valley, San Jacinto Mts. 1432 Comment
  UCD96465  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 A Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  RSA66747  Eschscholzia minutiflora F. W. Peirson 1921-3-20 4175 Riverside Andreas Canyon near Palm Springs 213 Comment
  SJSU1863  Eschscholzia minutiflora J. W. Tilden 1957-4-18 1094 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCD96493  Eschscholzia papastillii Shannon M. Still 2009-2-21 436 Riverside California. Riverside County. 167 Comment
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Sep 2 2017
  UCD96505  Eschscholzia papastillii Shannon M. Still 2009-2-21 437 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  CAS-BOT-BC419608  Eschscholzia parishii L. A. Greata 1905-4-1 424 Riverside Coachella Comment
  CAS-BOT-BC419610  Eschscholzia parishii Aven Nelson; Ruth Nelson 1939-3-29 3320 Riverside Near Palm grove, Hidden Springs Canyon Comment
  RSA278983  Eschscholzia parishii Barry A. Prigge, L. Martinez 1978-3-23 2440 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  SBBG2341  Eschscholzia parishii H. and M. Dearing 1937-4-10 415 Riverside NW of Indio Comment
  SBBG2342  Eschscholzia parishii H. and M. Dearing 1937-4-10 510 Riverside NE of Indio Comment
  SEINET10871889  Eschscholzia parishii Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7466 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s. R10e. Sec 35. Common in wash. 244 Comment
  RSA713798  Eucalyptus A. C. Sanders, Paul Moore 1991-7-25 11157 Riverside University of California Moreno Field Station, S of Alessandro Blvd & E of Lasselle,Moreno Valley. 488 Comment
  RSA709795  Eucrypta chrysanthemifolia A. C. Sanders 2004-5-5 27770 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  POM498192  Eucrypta micrantha Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC874212  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-9 4714 Riverside n Palm Springs; Colorado Desert 180 Comment
  POM49793  Euonymus occidentalis var. parishii P. A. Munz, I. M. Johnston 1924-7-27 8790 Riverside Dark Canyon, San Jacinto Mountains. 1616 Comment
  SEINET273056  Euphorbia albomarginata A. C. Sanders 1997-4-3 20169 Riverside Lake Skinner area; N edge of large clay patch adjacent to the Skinner entrance rd. ca 1-2 km NE of Borel. UTM 10km cel 473 Comment
  POM13909  Euphorbia eriantha P. A. Munz, D. D. Keck 1922-4-13 4820 Riverside Eagle Mountains. 244 Comment
  UCR188697  Euphorbia polycarpa J. M. Stewart 1989-10-17 618 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 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
  OBI14391  Euphorbia setiloba Robert F. Hoover 1966-10-15 10161 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  UCR128936  Euphorbia setiloba Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA559930  Euphorbia spathulata Steve Boyd 1992-4-18 6899 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  UCR159144  Euphorbia spathulata A. C. Sanders 1997-3-19 20031 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  UCR267165  Euphorbia spathulata Mitch Provance, Matt Amalong 2015-3-24 315- 14 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., S of the lower watertank 406 Comment
  RSA600225  Euphorbia supina L. C. Wheeler 1960-5-12 7703 Riverside University of California at Riverside. Comment
  RSA535485  Euthamia occidentalis Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-2 6633 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UC218081  Fagonia laevis P. A. Munz, R. D. Harwood 1920-4-3 3578 Riverside 30 mi w Blythe 365 Comment
  UCR244887  Fagonia laevis A. C. Sanders, T. B. Salvato 2012-10-12 40404 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
  UCR127576  Festuca microstachys D. E. Bramlet 2003-4-18 3373 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR2407  Festuca microstachys F. M. Reed 1905-4-30 735 Riverside Riverside, flat on top of Box Spring Mountains Comment
  UCR93057  Festuca microstachys Steve Boyd 1986-4-2 1628 B Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 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
  CLARK-A1528-4663  Festuca octoflora John C. Roos 1952-4-9 5483 Riverside Riverside 259 Comment
  UCR86654  Festuca octoflora A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16261 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA336046  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52029 Riverside Chino Canyon Comment
  RSA387339  Filago californica Steve Boyd 1986-4-22 1732 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR260889  Filago californica A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41428 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
  RSA69882  Forestiera pubescens F. W. Peirson 1933-4-13 10647 Riverside Between Deep Canyon and Idyllwild, at Palm Canyon crossing 1387 Comment
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Oct 31 2011
  UC218021  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-21 5511 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  SEINET4108735  Fouquieria splendens J. Redfern 2004-1 JT 5 Riverside Collected along Pinto Basin road north of Cottonwood Visitor Center in Joshua Tree National Park. 759 Comment
  CAS-BOT-BC223601  Fouquieria splendens subsp. splendens Roxana S. Ferris 1918-6-15 992 Riverside 2 miles east of Shavers Well Comment
  SEINET238487  Frankenia salina A. C. Sanders, D. Malueg; K. D. Jones et al 2000-9-8 23638 Riverside Perris-Aguanga Basin Region: French Valley gasline right of way just south of Los Alamos/Thompson Rd. on the east side 409 Comment
  UCR139625  Frankenia salina A. C. Sanders 2004-7-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  UCR164889  Frasera parryi T. B. Salvato, John F. Green 2004-5-27 628 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
  SD119908  Fraxinus dipetala Louis B. Ziegler 1969-5-20 364 Riverside San Jacinto Mountains; Bautista Canyon, upper canyon . 1143 Comment
  RSA263769  Fraxinus latifolia E. W. Lathrop 1971-3-24 7486 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  CHSC89891  Fraxinus velutina L. P. Janeway 2004-5-8 8069 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. Creekside. 421 Comment
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  POM3542  Fraxinus velutina var. coriacea I. M. Johnston 1917-12-1 1804 Riverside Santa Ana River, NW of Corona. 183 Comment
  UCR177658  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8869 Riverside San Bernardino Mtns., San Gorgonio Canyon, north of Banning 1128 Comment
  UCR225781  Funastrum cynanchoides var. hartwegii Dave Silverman 2010-3-30 7886 A Riverside Sonoran (Colorado) Desert, East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  POM96062  Funastrum hirtellum P. A. Munz 1926-1-1 10817 Riverside Thousand Palms, Riverside County. Comment
  RSA0023061  Funastrum hirtellum John F. Emmel 1995-4-21 1363 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  SEINET10851908  Funastrum hirtellum Edward Palmer 1876-1 Palmer 441 Riverside Colorado River Valley Comment
  UCR270316  Galium angustifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8342 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
  JEPS56071  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4245 Riverside Black Mountain Rd 1/2 mi below Cinco Poses Spring (open s-facing slope); San Jacinto Mts. 2133 Comment
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May 13 2008
  RSA755  Galium angustifolium subsp. angustifolium J. T. Howell 1928-7-7 1037 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  UC1143121  Galium angustifolium subsp. angustifolium A. Lewis 1934-5-1 447 Riverside n Elsinore (#116 on Plots); Elsinore Quadrangle Comment
  UCR3422  Galium angustifolium subsp. angustifolium Heidi A. Haid 1964-5-8 6458- 4 Riverside Riverside, Box Springs Mtns., c. 0.25 mi. above end of Blaine St 457 Comment
  RSA263735  Galium aparine E. W. Lathrop 1968-5-22 6918 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA741168  Galium aparine Scott D. White, Justin M. Wood 2008-5-15 12004 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR139041  Galium aparine D. L. Banks 1997-3-6 1397 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  POM15038  Galium stellatum Mary F. Spencer 1922-4-3 589 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  RSA336049  Galium stellatum Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52036 Riverside Chino Canyon. Comment
  CAS-BOT-BC217619  Galium stellatum subsp. stellatum Milo S. Baker 1928-4-3 2786 b Riverside Palm Canyon Comment
  RSA97291  Garrya flavescens var. pallida F. W. Peirson 1933-4-13 10644 Riverside 1-2 miles SE of Palm Creek crossing, on road from Deep Canyon to Idyllwild, Santa Rosa Mts. 1524 Comment
  UCR199714  Gaura sinuata Scott D. White, Justin Wood 2008-6-26 12292 Riverside Perris Basin, I-215 freeway just north of San Jacinto River crossing 431 Comment
  RSA761893  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 706 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA113806  Gayophytum diffusum subsp. parviflorum Peter H. Raven, R. Snow 1957-7-26 11000 Riverside Along Banning to Idyllwild road 0.7 miles north of Vista Grande Ranger Station, San Jacinto Mountains. Comment
  UC2030126  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38085 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  CDA4079  Genista monosperma A. Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region.; Orangecrest area of southeast Riverside, 17120 Cole Ave. Comment
  CAS-BOT-BC154107  Geraea canescens N. Aitkenhead 1977-2-3 2117 Riverside At intersection of T/L & Chuckwalla Mnt. Road Comment
  POM358660  Geraea canescens P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  POM358674  Geraea canescens N. C. Cooper 1949-3-15 3172 Riverside 5 miles south of Palm Springs. 122 Comment
  RSA667120  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region; Riverside, UCR Botanical Garden, E side of the campus. 121 Comment
  UCR195113  Gilia A. C. Sanders, Tim Thomas 2008-8-1 35931 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  SEINET6969910  Gilia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Base of brush-covered Gavilan Hills west of Perris. Comment
  SEINET6969919  Gilia achilleifolia subsp. multicaulis W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and 5.0 mile southeast of Lake Mathews. Comment
  SD126649  Gilia angelensis J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, south of Murrieta; southwest of Mesa de Burro. 579 Comment
  UCR116469  Gilia angelensis A. C. Sanders, T. B. Salvato 2001-3-30 23867 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR196893  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-2-19 34424 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  UCR251707  Gilia angelensis T. B. Salvato 2014-4-9 7832 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR202332  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns., c. 300 m west of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles north of I-10 627 Comment
  SDSU3074  Gilia caruifolia Bruhns 1965-5-22 115 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  UCR61101  Gilia diegensis Steve Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2269 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR24336  Gilia filiformis John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  UCR167207  Gilia latifolia S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  CAS-BOT-BC407615  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14576 Riverside San Bernardino Mountains: East Branch Millard Canyon, along FS Road 4S45 1200 Comment
  UCR92232  Gilia ochroleuca subsp. exilis D. L. Banks, Steve Boyd 1995-5-3 0256 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
  RSA0017273  Gilia ochroleuca subsp. exilis R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55471 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR19801  Gilia splendens W. W. Mayhew 1977-7-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA774310  Gilia stellata Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2191 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  SEINET1008980  Glandularia pulchella A. C. Sanders, B. Pitzer, D. Charlton 1986-1 16 -B.G. Riverside Cultivated on grid cell # A-3, near B-3 border. 396 Comment
  CAS-BOT-BC174316  Glyceria declinata A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  IRVC28517  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog San Bernardino Mtns 1098 Comment
  SD128006  Glyceria striata Michael Curto 1989-8-6 598 Riverside San Jacinto Mts, Fuller Ridge Trail, springy N headwaters of Fuller Mill Cr 2695 Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  RSA519247  Gnaphalium chilense Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR174241  Gnaphalium luteoalbum A. C. Sanders, T. B. Salvato 2006-6-2 33078 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
  JEPS34073  Gnaphalium palustre Carl V. Meyer 1928-7-27 562 Riverside moist open floor of Round Valley San Jacinto Mountains, Round Valley 2743 Comment
  RSA656554  Gnaphalium palustre A. C. Sanders 2000-5-25 23420 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR37617  Gnaphalium palustre George K. Helmkamp 1984-5-2 D- 21 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR172224  Gnaphalium stramineum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  RSA478804  Grayia spinosa T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  RSA430050  Guillenia lasiophylla Robert L. Dressler 1949-3-19 424 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  RSA561815  Guillenia lasiophylla Steve Boyd 1992-4-14 6828 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UC354428  Guillenia lasiophylla Edmund C. Jaeger 1925-12-12 Riverside near Palm Springs; Eagle Canyon 106 Comment
  CAS-BOT-BC304640  Gutierrezia californica J. C. Roos 1965-9-26 s.n. Riverside Near Palm Springs station Comment
  CDA6175  Gutierrezia californica T. C. Fuller 1958-9-23 2197 Riverside R. 79, 2 miles west of Aguanga. 0 Comment
  RSA318854  Gutierrezia californica M. A. Lane 1982-10-13 3028 Riverside 45.2km (28.1 miles) E of Kern Camp Summit of the San Jacinto Mtns on California State Hwy 74. Comment
  RSA715264  Gutierrezia californica T. B. Salvato, Gregg Miller 2005-6-3 1381 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  UCR108865  Gutierrezia californica Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR203959  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  JOTR32636  Gutierrezia microcephala La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2558 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  UCR183164  Gutierrezia sarothrae Mitch Provance 2003-5-5 4411 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR134608  Haplopappus acradenius Marisa Sripracha, Kyle Boyd 2004-2-14 031 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR146213  Haplopappus menziesii Scott D. White, Angelia Carey 2004-9-16 10748 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCD132672  Hedypnois cretica Mitch Provance 1999-5-4 1681 Riverside Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 243 Comment
  POM320325  Helianthemum scoparium var. scoparium David Wheat 1968-5-16 139 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  UCR18946  Helianthemum scoparium var. vulgare John C. Roos 1950-4-29 4774 Riverside Hills 1 mi NE of summit of Reche Canyon 823 Comment
  UCR167807  Helianthus annuus T. B. Salvato, Melissa Clemons 2005-6-23 1314 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SEINET2052416 Image available Helianthus annuus var. lenticularis Richard L. Irwin 1962-4-24 52 Riverside In canyon on Box Springs Mts., about 100 yds from RR -- E. of University of Califonria, Rvierside and shortly N. of of Big 'C 396 Comment
  UCSB9945  Helianthus nuttallii Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  UCR248086  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  POM361594  Hemizonia fasciculata M. M. Thompson 1947-6-9 2085 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  UCR133665  Hemizonia fasciculata Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA679104  Hemizonia laevis Mark Elvin, Michael Wall 1996-5-13 177 Riverside San Jacinto Wildlife Preserve. ~ One mile past ranger station on dirt road. Comment
  RSA751259  Hemizonia mohavensis A. C. Sanders 2008-7-25 35903 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  RSA663304  Hemizonia paniculata Mitch Provance 1998-6-20 704 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR140291  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 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
  UCR167830  Hemizonia paniculata T. B. Salvato, Melissa Clemons 2005-6-2 1354 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR266367  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-5-16 3846 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, canal right-of-way, east of Sanderson Ave. and south of Ramona Expressway 457 Comment
  RSA180452  Hesperevax acaulis E. W. Lathrop 1965-5-9 5739 -b Riverside 6 miles W of Murrieta. Comment
  HSC47334  Hesperocallis undulata R. W. Spjut, C. E. Edson 1978-4-26 4956 Riverside Colorado Desert, along Hwy. 177, ca. 7 mi. NE of Desert Center. 305 Comment
  POM14597  Hesperocallis undulata Bradley 1922-4-10 6 Riverside Near Mecca. Comment
  RSA377050  Hesperocallis undulata E. C. Jaeger 1922-4-5 722 Riverside Desert Center, Chuckwalla Valley. 366 Comment
  RSA764160  Hesperocallis undulata Linda M. Prince 2009-4-18 520 Riverside Joshua Tree National Park. Turkey Wash 549 Comment
  UCR90751  Hesperocnide tenella Scott D. White 1995-4-5 2754 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UC867808  Hesperolinon micranthum P. A. Munz and I. M. Johnston 1922-5-19 5336 Riverside 5 mi ne Murietta 518 Comment
  JEPS16283  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR94486  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mtns, W of 'Onion Hill', SE of Elsinore Peak Area along trail following old Main Divide Road grade. 1006 Comment
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  UC31120  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC219593  Heuchera hirsutissima P. A. Munz 1922-6-28 5875 Riverside Toro Peak 2286 Comment
  UCR52415  Heuchera hirsutissima David Charlton 1988-5-28 2122 Riverside Santa Rosa Mtns, S of Hwy 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp area, S facing slopes, E side 2287 Comment
  GMDRC9802  Hibiscus denudatus J. M. Andre 2017-3-1 38016 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  RSA457780  Hibiscus denudatus Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2218 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR241550  Hibiscus denudatus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40636 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  UCR272439  Hilaria rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-18 037 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  RSA0047272  Hirschfeldia incana J. Mark Porter, Lauren E. Machen 1997-2-15 11419 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
  CAS-BOT-BC207506  Hoffmannseggia glauca Lewis S. Rose 1938-2-1 38014 Riverside Palowalla, 30 mi. e. of Desert Center 121 Comment
  CAS-BOT-BC206106  Hoffmannseggia microphylla C. L. Hitchcock 1940-3-29 5850 Riverside ca. 12 mi. east of Indio Comment
  RSA588185  Hoita macrostachya D. L. Banks, Victor W. Steinmann 1995-7-10 0750 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 609 Comment
  RSA654572  Hordeum brachyantherum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. [county not specified] 610 Comment
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May 20 2012
  UCR123694  Hordeum intercedens D. E. Bramlet 1998-4-22 2602 a Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR191542  Hordeum intercedens A. C. Sanders 2008-4-15 34889 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR269908  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3669 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
  UCR136257  Hordeum marinum A. C. Sanders 2004-4-20 27564 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
  UCR58496  Hordeum marinum subsp. gussoneanum Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  UCR213899  Hordeum murinum Scott D. White, Justin M. Wood 2009-5-22 12897 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  HSC10209  Hordeum murinum subsp. murinum C. L. Hitchcock, C. V. Muhlick 1961-3-17 23083 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  UC729824  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside 1 1/2 mi Idyllwild (on road to banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  SD187403  Hosackia crassifolia var. crassifolia R. E. Riefner Jr. 2007-6-16 07 264 Riverside City of Hemet, Bautista Canyon, 2.8 mi east of Fairview Ave. on Bautista Rd. 693 Comment
  UCSC008082  Hosackia oblongifolia var. oblongifolia Peter Kamb 1947-6-7 560 b Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  SBBG65751  Hulsea vestita subsp. callicarpha R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  RSA191445  Hydrocotyle ranunculoides E. W. Lathrop, R. F. Thorne 1967-9-26 6635 Riverside 6 miles NW of Murrieta. Comment
  POM308643  Hymenoclea salsola Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3206 Riverside Near Indio. Comment
  RSA346259  Hymenoclea salsola R. F. Thorne 1980-4-16 54051 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA733690  Hymenoclea salsola Keith E. Hoffmaster 1933-4-14 364 Riverside Palm Springs Comment
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Aug 27 2011
  RSA458249  Hypericum formosum var. scouleri H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto [could be San Jacinto Mtns., or could be San Jacinto Riv. near City of San Jacinto but probably mtns., based on species] Comment
  RSA674615  Hypericum formosum var. scouleri Scott D. White, Sandy Leatherman 2000-5-31 7983 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UC19044  Hypericum formosum var. scouleri H. M. Hall 1897-7-20 9689 Riverside San Jacinto Mts. - streams at 5300 ft San Jacinto Mts. 1615 Comment
  UCSB4124  Hypericum scouleri Kamb, Peter 1948-10-31 Riverside Hall Canyon; San Jacinto Mts Comment
  SEINET269589  Hypochaeris glabra Scott White 1994-6-23 2092 Riverside San Gertudis Creek ca. 1 mi. E. of Skink Hollow. (Batchelor Mountian Quad.) 396 Comment
  UCR84783  Hypochaeris glabra Scott D. White, Steve Ogg 1994-4-21 1984 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  HSC87130  Hyptis emoryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR35336  Hyptis emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 102 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  SD38548  Hyptis emoryi Edith Purer 1935-4-21 6464 Riverside Eastern slope of Mt. San Jacinto, Near Palm Springs Comment
  SEINET7907884  Hyptis emoryi D. A. Johnson 2005-1 2005- 02 -20-16 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UC61586  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  UC382611  Isocoma acradenia var. acradenia David D. Keck 1926-9-30 263 Riverside near Riverside; Summit of Box Springs Grade Comment
  POM319719  Isocoma menziesii Patricia Wilder 1971-2-4 4915 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  RSA286804  Isoetes orcuttii R. F. Thorne 1974-5-23 44672 Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California: N edge of large vernal marsh, Mesa de Colorado 624 Comment
  JEPS48840  Isomeris arborea Marjorie D. Clary 1932-4-10 898 Riverside Eagle Mountains Comment
  SEINET3154033  Isomeris arborea L. S. Rose 1936-12-25 36819 Riverside Palm Springs 139 Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  UCR235052  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  UCR241786  Iva axillaris A. C. Sanders, Timothy W. Chumley 2013-4-1 40724 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
  UCR266483  Iva axillaris subsp. robustior Mitch Provance, Eric Kline 2015-3-26 315- 46 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  SD227840  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area; French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd (Winchester 7.5'Q). Valley botton, probably subirrigated. 438 Comment
  UCR93817  Juglans californica P. J. MacKay 1996-6-15 013 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  SD262302  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617 3 Riverside Temescal Valley: Horsethief Canyon Wash, S side of I-15, vicinity of De Palma Rd. (Alberhill 7.5'Q) 377 Comment
  UCR281225  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 57 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  SEINET10796317  Juncus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12856 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CAS-BOT-BC110073  Juncus acutus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  UCR117384  Juncus bufonius A. C. Sanders, T. B. Salvato 2001-5-25 24385 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UC1099771  Juncus bufonius var. occidentalis Frank W. Peirson 1922-4-29 2928 Riverside s side Lake Elsinore Comment
  POM259160  Juncus effusus subsp. austrocalifornicus Phillip A. Munz 1938-8-14 15367 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  RSA704866  Juncus effusus subsp. austrocalifornicus J. Russell Bruff 1934-6-19 555 Riverside Idyllwild Comment
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Jul 29 2010
  UCR108836  Juncus effusus subsp. austrocalifornicus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  RSA505034  Juncus macrophyllus Ed LaRue 1989-6-23 s.n. Riverside Cleveland National Forest, parts of McVicker, Leach and Dickey Canyons, just E and SE of Lake Elsinore., (Near 33 deg 40 N, 117 deg 25 W). 488 Comment
  UCR268296  Juncus macrophyllus Jim Andre 2012-6-15 30555 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 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
  RSA381089  Juncus rugulosus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61168 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
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Dec 11 2007
  SEINET1908445  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-1 35777 Riverside Peninsular Range; San Jacinto Mtns.: FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  RSA502192  Juncus textilis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3700 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  UCR156273  Juncus tiehmii T. B. Salvato, A. C. Sanders 2005-5-17 897 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
  JOTR30061  Juniperus californica La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1692 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  CAS-BOT-BC234571  Justicia californica Mrs. Jos Clemens 1922-4-10 s.n. Riverside Mecca Comment
  JEPS9201  Justicia californica Marjorie D. Clary May, 1930 9 a Riverside Deep Canyon s. Colorado Desert, Santa Rosa Mts., Deep Canyon 152 Comment
  JOTR31775  Justicia californica Andre, Jim, Tasha La Doux 2009-3-10 11245 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  POM308149  Justicia californica Henry J. Ramsey, Henry J. Ramsey 1938-4-26 2926 Riverside Near Desert Center-Indio. Comment
  RSA80967  Justicia californica G. R. Campbell 1952-4-6 18416 Riverside 3 mi. S. of jct. with road to Cottonwood Springs, Joshua Tree National Monument Road from 29 Palms to Hwy 60-70. 915 Comment
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Nov 19 2011
  CAS-BOT-BC516698  Kallstroemia californica A. C. Sanders; T. B. Salvato 2012-10-12 40425 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, along Wileys Well Rd., c. 3 mi N of Wileys Well/Bradshaw Trail 155 Comment
  RSA780238  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-12 95 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UCR165302  Kallstroemia californica John F. Green 2005-2-3 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  RSA525429  Keckiella antirrhinoides Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4538 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  CAS-BOT-BC236713  Keckiella antirrhinoides subsp. antirrhinoides Cecil Hart 1922-5-21 s.n. Riverside San Jacinto Pk. Comment
  UCR44156  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, B. Pitzer 1986-4-30 6474 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UC1931227  Koeleria macrantha Scott D. White, Justin Wood 2008-6-19 12271 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. (Idyllwild) Comment
  UC38718  Koeleria macrantha H. M. Hall June, 1901 2031 a Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1371 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
  UCSB57986  Krameria bicolor Wolf, Carl 1932-4-29 Riverside Eastern Colorado Desert, W. edge of Maria Mts., 17 mi. from blythe on rice road 50 Comment
  RSA408601  Krameria grayi G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  UC1563078  Krameria grayi Steve Boyd and Orlando Mistretta 1986-3-13 1477 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  UCR202038  Krameria grayi Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR167858  Lactuca serriola T. B. Salvato, Melissa Clemons 2005-6-23 1327 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA339676  Lamarckia aurea R. F. Thorne, C. W. Tilforth 1980-5-28 54217 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR207346  Lamarckia aurea O. F. Clarke 2004-3-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR49265  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR72195  Langloisia setosissima Theo Glenn 1991-5-21 91- 107 Riverside Sonoran (Colorado) Desert, Arica Mtns, SW of Rice. Near old Priest Mine 421 Comment
  RSA0106764  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2009-3-29 137 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  SD178232  Lantana camara D. W. Ricker 1987-11-16 Riverside UCR Campus. 334 Comment
  CAS-BOT-BC170703  Larrea tridentata Mrs. E. C. Van Dyke 1928-1-1 s.n. Riverside Coachella Comment
  RSA0118589  Larrea tridentata Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7654 Riverside Mecca Hills: mouth of Painted Canyon, southwest side of Mecca Hills, northeast of Mecca, west of Box Canyon, northeast of Coachella Canal, northeast of powerline, near mouth of Skeleton Canyon. 52 Comment
  RSA390026  Larrea tridentata Anstruther Davidson 1893-03 s.n. Riverside [Unspecified] Comment
  POM13463  Lastarriaea coriacea P. A. Munz, I. M. Johnston 1922-5-19 5364 Riverside 5 miles NE of Murietta. 457 Comment
  RSA392781  Lastarriaea coriacea E. Crow 1929-4-21 338 Riverside North of Alberhill Comment
  RSA689506  Lastarriaea coriacea Scott D. White, Michael Honer 2003-5-27 9418 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  CAS-BOT-BC353281  Lasthenia coronaria H. M. Hall 1902-4-1 2897 Riverside Vicinity of Winchester, near Sage 457 Comment
  RSA645634  Lasthenia coronaria Scott D. White 1999-5-2 7283 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
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Apr 23 2011
  UCR41244  Lasthenia coronaria N. M. Fellows 1985-3-16 s.n. Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UCR94269  Lasthenia coronaria Scott D. White 1996-4-14 3899 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  POM157928  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10842 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR143140  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Nichols Road Wetlands, c. 275-335m SE of Nichols Road, 91m west of Collier Ave. and 196-305 m west of the I-5, east of the dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA650961  Lasthenia gracilis R. L. Bowlin 1949-4-3 s.n. Riverside 3 miles south of Lake Elsinore. 15 Comment
  UCR176886  Lasthenia gracilis Tracy Tennant 1998-6-5 1021 Riverside San Jacinto Valley, Stowe Road at California Ave., midway between Winchester and Hemet-Ryan Airport 457 Comment
  UCR20786  Lasthenia gracilis A. C. Sanders, Steve Boyd 1980-5-2 1402 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 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
  RSA678928  Lathyrus vestitus Scott D. White, Michael Honer 2003-6-3 9471 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA282931  Lathyrus vestitus subsp. alefeldii C. W. Tilforth, B. Busenberg 1980-4-10 1981 Riverside Along north leg of Thomas Mountain Road, south of Lake Hemet, west of Hwy 74 Comment
  UCR123634  Lathyrus vestitus var. vestitus Steven R. Hill, A. C. Sanders 2001-5-4 33727 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  RSA709449  Layia glandulosa T. B. Salvato, John Green 2004-5-27 705 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  UC63258  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  CAS-BOT-BC320797  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  CAS-BOT-BC379627  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles north of Elsinore Comment
  CAS-BOT-BC379665  Layia platyglossa T. Winfield 1975-4-9 2413 Riverside Sugarloaf Mt. - Riverside Comment
  CAS-BOT-BC379672  Layia platyglossa Munz; Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  JEPS39176  Layia platyglossa W. L. Jepson 1939-4-17 19157 Riverside Temecula Temecula 304 Comment
  UC62907  Layia platyglossa H. M. Hall 1902-4-21 2935 Riverside vicinity Riverside 487 Comment
  UCR167436  Layia platyglossa John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR182347  Layia platyglossa Mitch Provance 2005-5-17 6551 A Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR89385  Lemna minuta A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15870 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  RSA429919  Lepidium lasiocarpum W. M. Zabriskie 1973-2-21 117 Riverside Upper Pipistrille Canyon, Deep Canyon drainage, north slope of Santa Rosa Mtns. site 17 854 Comment
  RSA429926  Lepidium lasiocarpum N. C. Cooper 1949-4-8 3308 Riverside Desert Center. 610 Comment
  RSA429929  Lepidium lasiocarpum Robert M. Perkins 1937-3-15 393 Riverside 4 miles W of Desert Center. Comment
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Dec 18 2011
  UCR74377  Lepidium lasiocarpum Theo Glenn 1991-5-1 91- 55 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  CAS-BOT-BC89668  Lepidium lasiocarpum subsp. lasiocarpum E. E. Schellenger 1920-5-1 s.n. Riverside Colorado Desert. East of Mecca Comment
  UCR281215  Lepidium latipes Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 21 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  SD140144  Lepidium nitidum Scott White 1993-4-20 1203 Riverside Estelle Peak, Gavilan Hills 825 Comment
  RSA282920  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 1998 Riverside Along Thomas Mtn Rd, above Lake Hemet, and west of Hwy 74. 1524 Comment
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Dec 28 2013
  RSA673718  Lepidium virginicum var. pubescens Scott D. White, W. La Haye 2000-5-27 7951 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CAS-BOT-BC329442  Lepidospartum squamatum Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  POM361783  Lepidospartum squamatum N. C. Cooper 1943-10-3 938 Riverside Whitewater Canyon. Comment
  SD137865  Lepidospartum squamatum Darin L. Banks, Steve Boyd 1995-10-17 777 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  UC1008313  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  UCR77762  Lepidospartum squamatum Steve Boyd 1991-9-8 6430 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  SEINET7048156  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 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
  RSA272164  Lepidospartum squamatum var. palmeri John F. Emmel 1975-10-8 539 Riverside San Jacinto River bed, 1.5-2 air miles E of Valle Vista, Sw base San Jacinto Mts. 537 Comment
  JOTR34474  Leptosiphon aureus subsp. aureus Andre, Jim 2012-4-16 20946 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  RSA0083862  Leptosiphon pygmaeus subsp. continentalis Andrew C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi N of Newport Rd. and 3/4 mi E of State St. 506 Comment
  UCR139615  Lessingia filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR114844  Lessingia filaginifolia var. filaginifolia Mitch Provance 1998-2-17 60 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  POM10235  Lessingia glandulifera var. glandulifera Charlotte M. Wilder 1904-7-6 272 Riverside Wilder's Canon. Jurupa Hills. Comment
  POM361809  Lessingia glandulifera var. glandulifera H. de 1932-8-28 15808 Riverside W side San Jacinto Valley. Comment
  UCR14010  Lessingia glandulifera var. glandulifera George K. Helmkamp 1973-10-3 s.n. Riverside San Jacinto Mtns., Strawberry Creek, near Idyllwild Comment
  UCR251993  Lessingia glandulifera var. glandulifera A. C. Sanders, T. B. Salvato 2014-7-2 41157 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SEINET251666 Image available Leymus triticoides A. C. Sanders, O. F. Clarke 1991-6-10 11138 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brooke between lake Evans (Fairmont Park) & the Santa Ana River ( Riverside West 7.5 Q.:) 238 Comment
  RSA357754  Lilaea scilloides Robert F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA723549  Limonium ramosissimum R. E. Riefner 2006-8-22 6 -398 Riverside Corona-La Sierra area, vicinity of Green River Rd. and Palisades Dr. 16 Comment
  POM13146  Limosella aquatica Philip A. Munz, I. M. Johnston 1922-5-19 5430 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  CLARK-A1045-167  Linanthus androsaceus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5' Q Comment
  UCR16726  Linanthus androsaceus subsp. luteolus Robert M. Hasegawa 1976-4-5 s.n. Riverside Riverside, University of California campus, 1/8 mi. south of Perimeter Road [South Campus Drive] 274 Comment
  UCR88648  Linanthus bigelovii A. C. Sanders 1995-4-13 16503 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  CAS-BOT-BC225699  Linanthus californicus G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  OBI52759  Linanthus dianthiflorus L. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA525462  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, D. E. Bramlet 1990-4-29 4508 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR24238  Linanthus floribundus John C. Roos 1962-5-19 s.n. Riverside Peninsular Range, Santa Ana Mtns., Strawberry [=Santiago? Sugarloaf?] Peak [on the Orange county line] Comment
  UCR41530  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6108 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR201710  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  CLARK-A1528-3477  Linanthus liniflorus John C. Roos 1952-5-26 5712 Riverside Reche Canyon 457 Comment
  UCR24932  Linanthus liniflorus subsp. pharnaceoides A. C. Sanders 1980-7-18 1685 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  UC52728  Linanthus parviflorus H. M. Hall 1902-4-26 2983 Riverside vicinity Riverside; Greene Canyon 609 Comment
  RSA614390  Linaria canadensis var. texana D. L. Banks, Victor W. Steinmann 1997-3-13 1525 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR13412.2  Lithophragma affine William E. Mortenson 1973-5-27 8 Riverside San Jacinto Mtns., 14.1 mi south of Banning on Calif. Route 243 (Palms to Pines Hwy). 100 yds. west of Hwy in a wooded area 1677 Comment
  RSA263664  Lithophragma affine subsp. mixtum E. W. Lathrop 1968-5-22 6915 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR227592  Lithophragma bolanderi Duncan S. Bell, Valentin Arvizu 2010-5-24 1099 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 2.8 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1382 Comment
  SEINET3522941 Image available Lobularia maritima K. S. Gill 1965-3-14 Riverside On campus UCR. waste land near parking lot No. 19. Comment
  UCR4110  Lobularia maritima Ronald M. Cope 1965-4-13 s.n. Riverside Riverside. On side of earthen dam, south of where Gage Canal goes underground for the second time after having crossed Le Conte Dr. 259 Comment
  RSA688852  Loeflingia squarrosa Scott D. White, Michael Honer 2003-5-13 9256 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  RSA25369  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 0.5 mile below Cottonwood Springs Comment
  POM311149  Loeseliastrum schottii H. K. Sharsmith 1952-4-8 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument. 610 Comment
  POM96061  Loeseliastrum schottii M. French Gilman 1926-5-9 A- 16 Riverside Colorado Desert. Morogo Wash. Comment
  UCSB38657  Loeseliastrum schottii Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. w/ Hwy 111 at Indian Wells; Whittaker transect #W-220 950 Comment
  RSA0125293  Logfia filaginoides Duncan S. Bell 2016-3-3 8779 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  SEINET244006 Image available Logfia filaginoides Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  UC2015535  Logfia filaginoides A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16158 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR230195  Lolium perenne subsp. perenne A. C. Sanders, T. B. Salvato 2011-4-29 39358 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA0036703  Lomatium R. F. Thorne 1973-5-23 43877 Riverside SANTA ROSA PLATEAU: Mesa de Colorado 610 Comment
  UC875217  Lomatium utriculatum Marcus E. Jones, A. M. 1882-4-25 3172 Riverside San Jacinto Comment
  RSA234085  Lonicera subspicata var. denudata R. F. Thorne 1969-6-6 39325 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA386936  Lotus K. Tomlinson, Deborah L. Kama, R. F. Thorne 1985-3-27 906 -b Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  POM13804  Lotus argophyllus var. argophyllus P. A. Munz 1922-4-30 5128 Riverside South of St. John's Grade, near Hemet Comment
  UCR94933  Lotus grandiflorus Scott D. White 1996-8-16 4486 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA406139  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-5-21 1250 Riverside San Jacinto Mtns. West Side. 1220 Comment
  RSA388324  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA544375  Lotus hamatus Steve Boyd, T. S. Ross 1991-6-14 6390 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA715069  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UCR250197  Lotus hamatus A. C. Sanders 2014-4-23 41042 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  UC15654  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains 1828 Comment
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  RSA714382  Lotus oblongifolius T. B. Salvato, John F. Green 2004-5-27 604 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  HSC98239  Lotus rigidus C. L. Hitchcock 1966-3-16 24197 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  RSA90395  Lotus salsuginosus var. brevivexillus F. W. Peirson 1935-4-17 s.n. Riverside 30 miles north of Blythe. Comment
  JOTR29612  Lotus scoparius var. brevialatus Andre, Jim 2006-4-26 6750 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  POM229025  Lotus scoparius var. brevialatus P. A. Munz 1937-5-31 15115 Riverside At Anza Table [Anza Bench] near head of Coyote Canyon. 1067 Comment
  RSA28071  Lotus scoparius var. brevialatus I. L. Wiggins 1941-3-27 9699 Riverside 4 mi. north of Whitewater. Comment
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UCR22093  Lotus scoparius var. brevialatus Steve Boyd 1980-5-11 243 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
  IRVC26263  Lotus strigosus A. C. Sanders, D. Malueg 2003-5-8 26571 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  RSA263766  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  SEINET2062444 Image available Lotus strigosus J. Hirshberg 1989-3-20 Riverside Santa Rosa Plateau, ca. 0.5 air miles S of Mesa de Burro, and just N of Mesa de la Punta. 609 Comment
  UC1537086  Lotus strigosus Gordon H. True Jr. 1935-2-26 18 Riverside Mockingbird Canyon 365 Comment
  UCR167821  Lotus strigosus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR214326  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38386 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR22099  Lotus strigosus Steve Boyd 1980-4-27 149 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  POM9588  Lotus strigosus I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  SEINET7042771  Lotus strigosus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  UCSC000928  Lotus strigosus var. strigosus Grey Hayes 2000-5-15 215 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valley Comment
  RSA480095  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2184 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA750276  Lupinus albifrons var. flumineus Elizabeth McClintock, H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road. Comment
  CHSC39252  Lupinus arizonicus M. O. Dillon; E. Rodriguez 1977-1-30 811 Riverside Ca. 21 mi E of Indio, and 0.5 mi N of Interstate Hwy 10. Near Joshua Tree National Park. Comment
  JEPS64940  Lupinus arizonicus S. B. Parish 1920-3-25 20021 Riverside Murray Canyon Colorado Desert, Palm Springs (Palm Springs, Southern California) Comment
  RSA781184  Lupinus arizonicus D. Silverman, Mark Bibbo 2010-3-31 7887 Riverside East flank bajada of the McCoy Mountains, one mile W of Black Creek Road, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  RSA502901  Lupinus bicolor Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA715328  Lupinus bicolor John Green 2006-4-27 s.n. Riverside Peninsular ranges, Foothills of Santa Ana Mtns./Santa Rosa Plateau: Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte. 351 Comment
  RSA789349  Lupinus bicolor Naomi S. Fraga, Duncan S. Bell 2009-5-6 2704 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UCR232775  Lupinus bicolor William Schlegel 2009-6-2 049 Riverside Peninsular Range; San Jacinto Mtns., Red Mountain Fire Lookout Telecom site 1394 Comment
  RSA314671  Lupinus bicolor subsp. marginatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55496 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA0013625  Lupinus concinnus LeRoy Gross, Duncan S. Bell 2013-4-30 6032 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  SDSU4673  Lupinus concinnus Bruhns 1965-5-22 119 Riverside Slope around girl's dormitory of Desert Sun School in Idyllwild. Comment
  SEINET3101907  Lupinus concinnus Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17377 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  SEINET7062851 Image available Lupinus concinnus A. G. Vestal 1947-3-30 s.n. Riverside A sandy wash bottom at Blackburn Canyon in San Jacinto Valley on Route 74. UTM Zone 11, 511984mE, 3734322mN. (WGS84/NAD83). 546 Comment
  POM229448  Lupinus concinnus subsp. optatus Philip A. Munz 1937-5-30 15080 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  SEINET10451309  Lupinus excubitus subsp. hallii David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20757 Riverside Along hwy 74 w of the jct rd to idyllwild, 11 mi. W, at the lower edge of the Coulter pines and near the chaparral. Decomp. Granite. Comment
  POM2440  Lupinus excubitus var. hallii Philip A. Munz 1918-4-27 2153 Riverside Temescal Canyon. Comment
  RSA689564  Lupinus excubitus var. hallii Scott D. White, Michael Honer 9120 Riverside San Bernardino Mtns.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjcent steep east-facing mountain slope. 610 Comment
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Apr 13 2014
  UCR91657  Lupinus excubitus var. hallii D. L. Banks, Steve Boyd 1995-4-5 146 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on terraces of W fork of Arroyo Seco. 573 Comment
  UC1178516  Lupinus formosus Peter Kamb 1948-7-3 1149 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  SEINET10543984  Lupinus formosus David B. Dunn, Douglas G. LeDoux; Patricia L. Kenney 1973-6-15 Dunn 20760 Riverside Coll along the sandy roadside. Sparse yellow pines. 4 Mi nw of jct of hwy 74 and 71 on 74. 1402 Comment
  SEINET8042171  Lupinus formosus E. A. Zumbro 399 Riverside Jan Jacinto Mt. Comment
  POM48510  Lupinus hyacinthinus Mary F. Spencer 1919-7-6 1281 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
  UCR272821  Lupinus latifolius Mitch Provance 2016-6-28 616- 36 Riverside San Jacinto Mountains, Idyllwild, along Strawberry Creek, near the corner of Bicknell Ln. and South Circle Dr. 1636 Comment
  JEPS65100  Lupinus microcarpus var. densiflorus W. L. Jepson 1901-5-17 1248 Riverside San Jacinto Valley lands at Florida; San Jacinto Valley, Valley Lands at Florida Comment
  UC150162  Lupinus shockleyi E. E. Schellenger Apr. 1911 Riverside Point of Rocks Whitewater (Whitewater); Colorado Desert, Whitewater Comment
  SBBG35116  Lupinus sparsiflorus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  UCR272436  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 040 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2.2 air miles north of the Whitewater Preserve Ranger Station, hillside east of the Whitewater River drainage 885 Comment
  UCR4139  Lupinus sparsiflorus Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  OBI082969  Lupinus sparsiflorus Rhonda Riggins 1983-3-21 1473 Riverside Cottonwoond Canyon, Joshua Tree National Monument. Common along road. 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
  SEINET10903506  Lupinus sparsiflorus Robert F. Thorne 1983-4-23 Thorne 55500 Riverside San bernardino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca 4 mi n of whitewater post office. Comment by d.b. Dunn (1984): area of Intergradation from ssp. Sparsiflorus to ssp. Mohavensis. One specimen closer To one and the other closer to the other. Erect, blue-flowered annual. 640 Comment
  HSC79895  Lupinus sparsiflorus subsp. sparsiflorus James Henrickson 1973-3-18 2700 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  RSA414814  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest 1933-4-17 17604 Riverside Chino Canyon, Colorado Desert. Comment
  RSA49174  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1949-4-13 13060 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  RSA617298  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 1476 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  RSA28072  Lupinus truncatus I. L. Wiggins 1941-3-27 9693 Riverside 4 mi. north of Whitewater. Comment
  SD187409  Lupinus truncatus Scott D. White, Angelia Carey 2004-4-16 10193 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR199629  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UC56819  Lycium F. Gilman 1902-1 24 Riverside Palm Springs Comment
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Apr 3 2011
  POM250365  Lycium cooperi I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA80305  Lycium fremontii F. W. Peirson 1927-4-12 7157 Riverside East branch of Painted Canyon, near Mecca. Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  RSA612131  Lythrum californicum Louis C. Wheeler 1932-7-9 936 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA263670  Madia gracilis E. W. Lathrop 1968-5-26 6935 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA358581  Mahonia repens Larry E. DeBuhr 1972-3-23 513 Riverside 6000 ft, along forest road 7S02 Comment
  CAS-BOT-BC206261  Malacothamnus fasciculatus Elmer I. Applegate 1893-4-23 55 Riverside East Riverside hills. Comment
  UCR199616  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR232045  Malacothamnus fasciculatus John F. Green 2008-4-15 0408- 08 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-BC345427  Malacothrix clevelandii A. C. Sanders; P. MacKay; T. Thomas; O. Clarke 1997-5-4 20629 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
  VVC92  Malacothrix clevelandii A. C. Sanders, J. Mac 1997-5-4 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
  POM97133  Malacothrix clevelandii P. A. Munz 1925-5-20 9830 Riverside 2 miles W of Dripping Spring. 427 Comment
  CAS-BOT-BC345465  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside Vicinity of Riverside 487 Comment
  CAS-BOT-BC347706  Malacothrix glabrata John Thomas Howell 1928-3-25 3550 Riverside 15 miles s. of Palm Springs on road to Indio, Colorado Desert Comment
  SEINET2053710 Image available Malacothrix glabrata Glen W. Forister 1967-3-23 Riverside Whitewater Cyn., on west-facing slope by the Whitewater Trout Farm. 609 Comment
  UC63260  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  SD129607  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek. 700 Comment
  UCR5957  Malephora crocea Nancy Robb 1966-4-13 s.n. Riverside Peninsular Range, 50 yards south of Blaine Street Reservoir [Box Springs Mtns. Foothills, Belvedere Heights], Riverside 290 Comment
  UCR272499  Malvella leprosa Mitch Provance 2013-6-16 613- 23 B 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
  UCR69748  Malvella leprosa A. C. Sanders, Chet McGaugh 1991-7-19 11147 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR213430  Mammillaria tetrancistra A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37436 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA346380  Marah macrocarpa F. R. Fosberg 1930-3-9 1536 Riverside Mission Canyon Comment
  UC2015595  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCR215516  Marah macrocarpa Daphne K. Christopher, Hannah I. Stevens 2003-4-4 092 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  CAS-BOT-BC193266  Marina parryi Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2131 Riverside N. end of Palen Mrns, 2 mi west of Palen Pass 91 Comment
  RSA381086  Marsilea vestita R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR69663  Marsilea vestita A. C. Sanders, C. McGaugh 1991-7-19 11145 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA741103  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-5 12084 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  POM348038  Medicago polymorpha N. C. Cooper 1944-4-22 1129 Riverside Banning. 732 Comment
  UCR3351  Medicago sativa T. R. Plumb 1964-4-12 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Campus of Univ. of California, Riverside, Canyon Crest Drive at freeway underpass. 259 Comment
  SD129375  Melia azedarach J. Hirshberg 1989-7-18 Riverside Vicinity of Lake Skinner: Drainage east of reservoir. Comment
  POM113309  Melica frutescens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA613416  Melica frutescens D. L. Banks 1997-4-5 1675 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR22041  Melica frutescens Steve Boyd 1980-5-11 225 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
  HSC92608  Melica imperfecta Miles Fellows 1982-5-5 Riverside Hills S of UCR campus. Comment
  UCR195616  Melica imperfecta Pesach Lubinsky, Jeffrey Ross 1998-5-31 049 Riverside San Bernardino Mtns., Morongo Indian Reservation, eastern fork of Lion Canyon 713 Comment
  UCR231734  Melica imperfecta John F. Green 2008-4-23 08- 10 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
  UCR2555  Melica imperfecta M. F. Barrus 1920-1-27 213 Riverside Box Springs Mtns, Riverside, Sycamore Canyon 396 Comment
  UCR82277  Melilotus albus J. M. Stewart 1994-5-2 855 Riverside Western Colorado Desert, Coachella Valley, Thermal. Polk Street and Airport Blvd. Comment
  RSA716186  Melilotus indicus Scott D. White, Angelia Carey 2004-4-5 10034 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC195312 Image available Mentha X piperita S. B. Parish 1913-9-20 8608 Riverside railway water works, Mecca Mecca; Salton Sink -57 Comment
  UCR143385  Mentha aquatica Joseph A. Ewan 1931-10-3 5212 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  JOTR33729  Mentzelia albicaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2729 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  RSA681992  Mentzelia albicaulis Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10496 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA678947  Mentzelia desertorum Scott D. White, Michael Honer 2001-4-12 8307 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  JOTR29305  Mentzelia involucrata La Doux, Tasha, Mike Bell 2006-5-17 1382 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR34323  Mentzelia involucrata Andre, Jim 2012-4-11 20824 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  UCR147843  Mentzelia involucrata Steve Boyd, Et al. 2004-5-14 11276 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
  UCR75048  Mentzelia involucrata A. C. Sanders, E. J. Lawlor 1992-4-4 12102 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET10734759  Mentzelia laevicaulis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12843 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA734201  Mentzelia micrantha Keith E. Hoffmaster 1934-4-8 132 Riverside Santa Ana Mts. Comment
  SBBG45338  Mentzelia nitens Leota Davidson 1966-4-6 115 Riverside near Joshua Tree Nat Monument headquarters Comment
  RSA171351  Mentzelia veatchiana J. D. Olmsted 1962-5-3 3506 Riverside San Jacinto Mts 1616 Comment
  UCR48524  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  SBBG101734  Microseris douglasii subsp. douglasii S. Boyd with D. Bramlet 1991-5-13 6223 Riverside Winchester Valley between Winchester and Hemet, along upper Salt Crk drainage, N of Santa Fe Railroad tracks, W of San Diego Aqueduct; T5S, R2W, S1/2, NW1/4 of S24 Comment
  RSA645682  Microseris douglasii subsp. platycarpha Scott D. White 1999-5-2 7285 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
Read comments
Jun 26 2008
  UCR217544  Microseris douglasii subsp. platycarpha Diane Menuz 2008-3-24 374 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  SEINET10808319  Microseris lindleyi Mitch C. Provance 2003-4-26 Provance 9897 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common). 274 Comment
  UCR112560  Microseris lindleyi A. C. Sanders 1998-3-17 21742 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR128561  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23908 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  POM267767  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade. 610 Comment
  UCR250861  Mimulus aurantiacus var. puniceus Dick Newell, Judy Booth 2014-2-16 352 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide [Wildomar] Truck Trail, 0.75 mi. SE of Elsinore Peak 943 Comment
  JOTR16848  Mimulus bigelovii var. bigelovii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  RSA172237  Mimulus bigelovii var. bigelovii Robert F. Thorne 1963-3-29 32432 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 535 Comment
  RSA667131  Mimulus brevipes A. C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside S of Hemet, 1/4 mi. S. of Gibbel Rd. about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Bute, S of mouth of Avery Cyn. 518 Comment
  UC1374909  Mimulus brevipes Noel H. Holmgren, Liew Fah Seong 1969-6-17 3583 Riverside County Road R1, at Black Mountain turnoff San Jacinto Mountains Comment
  UC68823  Mimulus brevipes Bertha E. Brittain 1905-5-30 Riverside near Riverside Comment
  UCR80817  Mimulus brevipes Scott D. White 1993-5-29 1461 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  HSC101594  Mimulus breweri Steve Boyd, Gary Wallace 2005-7-30 11637 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  UCSB26918  Mimulus cardinalis Wilken, Dieter 1969-6-30 Riverside Dark Canyon; along County Road R1; 7.0 miles north of Idyllwild; San Jacinto Mtns 1524 Comment
  RSA583720  Mimulus diffusus Steve Boyd 1995-4-24 8475 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  CLARK-A1528-864  Mimulus fremontii Ellen Predmore 1971-5-3 Riverside San Jacinto Valley 457 Comment
  UCR145828  Mimulus guttatus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR195123  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-8-1 35958 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR275279  Mimulus guttatus T. B. Salvato, Gregg Miller 2005-6-7 1455 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  JEPS10964  Mimulus inodorus Carl V. Meyer 1928-7-3 601 Riverside Tahquitz Valley San Jacinto Mountains Comment
  CLARK-A1528-4265  Mimulus pilosus John C. Roos 1948-6-10 3882 Riverside San Jacinto Mountains Comment
  UC886389  Mimulus tilingii Carl B. Wolf 1932-8-5 3954 Riverside meadow on trail from Tahquitz Valley to San Jacinto Peak (head of a fork of Tahquitz Creek); San Jacinto Mts., 1st Real 2743 Comment
  RSA773172  Minuartia douglasii Duncan S. Bell, Valentin Arvizu 2010-5-24 1111 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  SBBG35039  Minuartia douglasii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  UCR18111  Mirabilis albida J. Zabriskie 1976-6-2 848 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Springs Trail near Horsethief Creek 1098 Comment
  RSA4385  Mirabilis laevis var. crassifolia Carl B. Wolf 1932-3-20 31 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  SD247675  Mirabilis laevis var. crassifolia J. Mark Porter, Lauren E. Machen 1997-2-15 11420 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  OBI12186  Mirabilis laevis var. retrorsa Tracey & Viola Call, Viola Call 1962-4-6 2118 Riverside 4 mi W of Desert Hot Springs at rd jctn 213 Comment
  RSA68292  Mirabilis laevis var. retrorsa Verne Grant, Alva Grant 1951-4-7 15979 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  VVC2900  Mirabilis laevis var. retrorsa Tim Thomas, P. J. MacKay 2010-4-12 5031 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA0017420  Mohavea confertiflora Marcus E. Jones 1924-2-28 s.n. Riverside Blythe. Comment
  RSA339249  Mollugo cerviana Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53589 -a Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  RSA83416  Monardella australis subsp. australis E. Peterson, J. Ewan 1930-9-1 2163 Riverside Summit of Mt. San Jacinto 3294 Comment
  POM192932  Monardella lanceolata var. lanceolata Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
  RSA669  Monardella lanceolata var. lanceolata J. T. Howell 1928-7-9 1072 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  CAS-BOT-BC215453  Monardella linoides subsp. linoides H. M. Hall 1897-7-30 758 Riverside 20 mi. south of Palm Springs, Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  UC63757  Monardella linoides subsp. linoides H. M. Hall June 1901 2137 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  CAS-BOT-BC215491  Monardella nana E. McClintock; H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 5 1/2 miles beyond canyon where stream crosses road Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  LA96091  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mountain, 0.5 mi. beyond Black Mountain Spring Comment
  UC1499855  Monardella nana E. McClintock, C. Ellison 1936-5-9 Riverside Pines to Palms Highway Comment
  RSA750279  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 80 Riverside Road up Santa Rosa Mt. 5.5 miles beyond canyon where stream crosses road. Comment
  SEINET10582418  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 56 Riverside San Bernadino National Forest, Santa Rosa Mtn. 2.05 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on the right shoulder (heading back towards Hwy. 74). T7S,R5E,S29. 1 small clump at the bottom of a steep bank. Comment
  POM363591  Monoptilon bellioides P. J. Remple 1942-3-1 s.n. Riverside Palm Springs (Sapp's Place) Comment
  RSA778233  Monoptilon bellioides Duncan S. Bell 2009-3-8 38 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SBBG25114  Monoptilon bellioides D. Myrick 1966-4-1 1325 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UC1786301  Monoptilon bellioides Dale E. Johnson with J. L. Strother 1974-4-25 98 Riverside Palm Desert, wash just NW of turnoff to Hemet on California 111 (Palm Springs-Banning rd). Comment
  UCR213931  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR251667  Monoptilon bellioides Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 764 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  POM12714  Montia chamissoi P. A. Munz 1922-7-6 5994 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA740650  Montia fontana Scott D. White, Justin M. Wood 2008-6-19 12270 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  SEINET7296363 Image available Muhlenbergia andina Richard W. Pohl 1963-1 9424 Riverside Lake Fulmor, San Jacinto Mts. 1300 Comment
  UC39904  Muhlenbergia filiformis H. M. Hall June, 1901 2290 Riverside along water courses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  RSA87356  Muhlenbergia microsperma F. W. Peirson 1921-3-22 4323 Riverside Andreas Canyon, Palm Springs region Comment
  UC39892  Muhlenbergia richardsonis H. M. Hall July 1901 2545 Riverside West Fork Snow Creek San Jacinto Mountains 1524 Comment
  RSA0097959  Muhlenbergia rigens Duncan S. Bell 2014-11-14 7714 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR49990  Muhlenbergia rigens S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UCR113548  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA67110  Myosurus minimus subsp. apus F. W. Peirson 1922-5-19 4171 Riverside Menifee Valley Comment
  UCR281106  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 26 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR85429  Najas marina A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15884 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 Comment
  OBI2155  Nama demissa P. A. Holden 1969-3-29 678 Riverside Just W of state hwy 62 and N of Mission Crk at foot of Morongo Grade Comment
  RSA421115  Nama demissa Robert M. Perkins 386 Riverside 26 miles East of Indio. Comment
Read comments
Mar 9 2014
  RSA721838  Nama demissa J. R. Bruff 1927-3-12 3 -F Riverside Whitewater. Comment
  RSA613419  Nassella lepida D. L. Banks 1997-4-5 1672 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area., South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA689453  Nassella lepida Scott D. White, Michael Honer 2003-4-9 8997 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  RSA731541  Nassella tenuissima R. E. Riefner 2007-5-26 7 -216 Riverside City of Lake Elsinore, along I-15 north near Main St. 404 Comment
  RSA469853  Navarretia atractyloides E. S. Spalding 1925-6-13 s.n. Riverside Temecula. Comment
  UC1929472  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-3 9480 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR174316  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32558 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR70678  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 100 m north of end of 13th St.; about 8 m east of the river in a swale adjacent to the levee 473 Comment
  CAS-BOT-BC230295  Navarretia fossalis R. F. Hoover 1968-6-6 11152 Riverside 1 mile E of Perris Comment
  RSA760323  Navarretia intertexta R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55217 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA800111  Nemacaulis denudata var. gracilis Duncan S. Bell 2013-4-7 4763 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4.1 air miles south of the ghost town of Rice or approximately 3.3 air miles east northeast of Priests Well. 207 Comment
  UCR127494  Nemacladus glanduliferus A. C. Sanders 1995-4-13 16494 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  LA204523  Nemacladus gracilis Carl Epling; Harlan Lewis 1941-5-7 Riverside 1 mile W of Cottonwood Springs Comment
  UCR31680  Nemacladus longiflorus var. longiflorus John C. Roos 1947-3-15 3343 Riverside Peninsular Range; San Jacinto Valley/ San Jacinto Mtns. Foothills, 1 mile east of Valle Vista 549 Comment
  UCR59527  Nemacladus longiflorus var. longiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3600 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  SEINET2068201  Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mouintains, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River valley. (Near 33d 45' N, 116d 51' W.) 670 Comment
  UCR20718  Nemacladus ramosissimus A. C. Sanders, Steve Boyd 1980-5-2 1438 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM46796  Nemacladus rubescens Mary F. Spencer 1920-3-27 1498 Riverside Palm Springs. 122 Comment
  UCR30096  Nemacladus tenuis var. aliformis George K. Helmkamp 1983-4-5 483- 45 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA673728  Nemophila menziesii Scott D. White, Bill La Haye 2000-5-27 7964 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SD7439  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  RSA495800  Nemophila menziesii var. integrifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-11 2909 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA772121  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4836 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCD121389  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
  UC575068  Nicolletia occidentalis C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Well; Little San Bernardino Mts. Comment
  RSA16361  Nicotiana bigelovii var. wallacei Percy C. Everett 1935-6-18 7171 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  JOTR35083  Nicotiana obtusifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3534 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA747832  Nicotiana obtusifolia Scott D. White, Justin M. Wood 2009-4-29 12623 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SBBG6607  Nicotiana obtusifolia H. and M. Dearing 1936-12-26 1702 Riverside foot of grade Palms to Pines Hwy Comment
  UCR128939  Nicotiana obtusifolia Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR153675  Nicotiana quadrivalvis Scott D. White 1999-5-24 7398 B Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  SD142034  Nolina parryi James C. Dice 1985-6-13 617 Riverside SE portion of Thomas Mtn., ca. 4 km S of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  UCR130127  Nolina parryi Carl Epling, Wm. Robison 1933-6-26 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns., Key's View 1524 Comment
  SBBG267  Notholaena californica H. and M. Dearing 1942-1-10 4784 Riverside Tahquitz Cyn, near Palm Springs Comment
  CLARK-A1528-3582  Notholaena newberryi John C. Roos 1937-5-2 1412 Riverside La Sierra Comment
  RSA0018415  Nuttallanthus texanus J. C. Roos 1947-3-15 3446 Riverside Valle Vista, San Jacinto Valley. Comment
  POM12929  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  UCR281884  Oenothera californica subsp. californica R. E. Riefner Jr. 2017-9-4 17- 452 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  OBI26117  Oenothera deltoides David J. Keil 1976-12-12 11918 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  RSA0013274  Oenothera deltoides April Garbat, Sarah J. De Groot 2013-4-9 46 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  UC1234605  Oenothera deltoides subsp. deltoides David P. Gregory 1960-3-20 360 Riverside across r.r. from Thousand Palms Comment
  RSA162846  Oenothera elata subsp. hirsutissima J. D. Olmsted 1959-8-22 s.n. Riverside Strawberry Creek just above crossing S of civic center in Idyllwild. San Jacinto Mountains. Comment
  UCR261218  Olea europaea A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41735 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  UC310592  Oligomeris linifolia Philip A. Munz 1926-1-31 9970 Riverside Dos Palmas Spring; Colorado Desert, Dos Palmas Spring Comment
  OBI27787  Olneya tesota David J. Keil 1980-6-20 14066 Riverside box Cyn rd exit from I-10 488 Comment
  POM14222  Olneya tesota Philip A. Munz, D. D. Keck 1922-4-9 4920 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  RSA784721  Olneya tesota Duncan S. Bell 2012-3-18 3208 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-BC349925  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam 457 Comment
  CAS-BOT-BC516767  Oncosiphon piluliferum R. E. Riefner, Jr. 2012-4-30 12 -82 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy 74, vicinity of Bromley Ave. and Baker St. 1248 Comment
  CDA7546  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin; San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course Comment
  SD185153  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Gilman Springs Road at Quail Lake Golf Course. 438 Comment
  UCR224464  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-3-28 38812 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
  UCR19729  Opuntia John C. Roos, L. Roos 1952-10-18 5905 Riverside Little San Bernardino Mtns, Hidden Valley campground 1220 Comment
  POM311556  Opuntia engelmannii Lyman Benson 1963-7-13 16387 Riverside 1/2 mile north of Aguanga. 610 Comment
  JOTR01118  Opuntia erinacea var. erinacea Cole, James E. 1941-5-17 729 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  UCR1116  Opuntia littoralis Peter De Gano 1970-5-7 700507- 01 Riverside City of Riverside, on the other side of the orange grove across from 1117 Linden Street 305 Comment
  POM305016  Opuntia parryi Lyman Benson 1962-2-17 16143 Riverside Oak Grove 6 miles southeast of Aguanga. 1220 Comment
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Feb 24 2013
  POM305019  Opuntia parryi Lyman Benson 1962-2-17 16142 Riverside 4 miles northeast of Aguanga. 915 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
  CAS-BOT-BC355578  Oreostemma alpigenum var. andersonii H. M. Hall 1901-7-30 2574 Riverside San Jacinto Mountains.Tahquitz Valley 2499 Comment
  CLARK-A1045-69  Orobanche fasciculata George K. Helmkamp 1978-5-18 Riverside San Jacinto Mountains near Kenworthy Forest Station; ; ; southeast 1/4 Idyllwild 15'Q; Butterfly Peak 7.5' Q 1371 Comment
  RSA402104  Orthocarpus purpurascens Bonnie C. Templeton 1930-4-9 1070 Riverside Moreno Grade, S.W. of Beaumont 700 Comment
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Mar 20 2011
  POM351404  Osmadenia tenella E. Crow 1929-4-21 347 Riverside North of Alberhill Comment
  UC1608250  Oxalis albicans subsp. californica Steve Boyd 1992-4-14 6873 Riverside along Blue Water Trail (Blue Water Cyn, downstream to the confluence with San Mateo Creek); Santa Ana Mtns, San Mateo Canyon Wilderness Area 335 Comment
  UC303759  Oxalis albicans subsp. californica I. M. Johnston 1918-5-30 1998 Riverside Temescal Canyon 365 Comment
  UCR3585B  Oxytheca emarginata L. B. Ziegler 1964-7-10 640710- 001 Riverside San Jacinto Mtns., Garner Valley, 2 mi. northeast of Kenworthy Ranger Station Comment
  UC572580  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mi ne Keen Camp; San Jacinto Quad. 1615 Comment
  SEINET3096510 Image available Paeonia brownii Norman C. Cooper 1947-4-5 2025 Riverside Los Alamos Canyon, Elsinore. Comment
  UC1126130  Paeonia californica C. Van Fleet 1931-1-19 2 Riverside mesa w Red Mountain; San Jacinto Quadrangle Comment
  UCR155331  Paeonia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29271 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA0040099  Palafoxia arida Duncan S. Bell, Deidre Conocchioli 2014-3-18 6253 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA5158  Palafoxia arida var. arida C. B. Wolf 1932-4-26 2969 Riverside 3 mi. east of Mecca on Blythe Road 0 Comment
  UC51605  Palafoxia arida var. arida Jos. Burtt Davy 1902-4-2 8055 Riverside Salton Comment
  UCR239246  Palafoxia arida var. arida Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-1 722 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  UCD134880  Palafoxia arida var. gigantea Ann F. Johnson 1975-1-3 1121 Riverside near Highway I-10 at 'Stuckey's Candy' north of Palm Springs. Comment
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Nov 27 2014
  SD193036  Panicum acuminatum var. acuminatum Scott D. White, Justin Wood 2007-4-16 11653 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 334 Comment
  RSA737421  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SBBG93136  Panicum capillare S. Myers 1989-7-14 Riverside ca. 0.75 mi W of confluence of Murrieta Crk and Santa Margarita River, ca. 1.25 mi SSW of Temecula Comment
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Jun 8 2013
  UCR2624  Panicum capillare F. M. Reed 1903-12-18 416 Riverside Riverside, Box Springs Mtns. foothills, natural bridge, Little Arroyo. (E edge of town near Tequesquite Arroyo and Chicago Ave., 'Little Arroyo' evidently drained into Arroyo T. from the N a short distance west of Chicago Ave.- notes by A. Sanders, 1993) 293 Comment
  LA8568  Panicum hirticaule Marcus E. Jones; 1929-9-16 sn Riverside Desert Center Comment
  CAS-BOT-BC253898  Panicum urvilleanum A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16246 Riverside San Jacinto Mountains/San Gorgonio Pass: at the mouth of Snow Creek, between Highway 111 and Snow Creek Village, ca. 1 mile E of Snow Creek Road Comment
  CLARK-A1528-689  Papaver californicum Grace Sprague 1968-5-3 Riverside Twin Pines Comment
  CLARK-A1528-514  Parkinsonia aculeata Al Kimker 1970-5-3 14 Riverside Banning 487 Comment
  UCR35007  Parkinsonia aculeata L. B. Ziegler 1974-6-28 529 Riverside San Jacinto Valley 473 Comment
  LA45744  Parkinsonia florida Miss Halflaud; March 1925 8734 Riverside Palm Springs Comment
  RSA0040117  Parkinsonia florida Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC along the north fence, just north of percolation ponds. Comment
  RSA0098482  Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8 km east of Banning, 30 km WNW of Palm Springs, 4 km WNW of Cabazon. 646 Comment
  UCR166533  Parkinsonia florida Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10894 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR33712  Paspalum dilatatum Faulkner 1978-4-27 495 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  UCR479  Paspalum dilatatum Frank C. Vasek 1959-8-6 590806- 06 Riverside Riverside, O.F. Clarke residence at 1012 Spruce St. 305 Comment
  UC184054  Paspalum urvillei Miss H. A. Gray June 1915 Riverside Palm Spr. R. R. Station Comment
  RSA0087459  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SD255104  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  RSA0121029  Pectocarya heterocarpa Duncan S. Bell, LeRoy Gross 2016-3-29 9109 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA695833  Pectocarya linearis J. R. Bruff 1927-3-12 3 -j Riverside Fingal Comment
  POM72175  Pectocarya linearis subsp. ferocula Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA180305  Pectocarya linearis subsp. ferocula E. W. Lathrop 1960-3-11 4656 b Riverside 5 miles west of Murrieta. Comment
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Apr 28 2011
  UCSB33375  Pectocarya linearis subsp. ferocula Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W of orange grove at 3000 Mc Allister Dr. in Riverside 457 Comment
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  SEINET6060686  Pectocarya penicillata Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA0124119  Pectocarya peninsularis Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8741 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  CDA20945  Pectocarya platycarpa G. F. Hrusa, J. A. Hart 1993-4-4 10596 Riverside Cholla Garden, Joshua Tree N.M. Comment
  POM99112  Pectocarya recurvata Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA0036643  Pectocarya setosa Robt. Allen, Fred M. Roberts Jr., Steve D. Boyd, Andrew C. Sanders 2009-4-10 s.n. Riverside Peninsular Ranges; Santa Ana Mountains region: Elsinore Mountains, 676 air meters (0.42 air miles) southeast of Elsinore Peak summit. 1002 Comment
  RSA552768  Pedicularis densiflora Steve D. Boyd 1992-3-31 6763 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UC1979662  Pedicularis densiflora Darin L. Banks, Steve Boyd 1995-3-15 60 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., DorlandMtn. area. Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  CLARK-A1528-37  Pellaea andromedifolia E. Kozloff 1938-1-9 Riverside Corona Comment
  SBBG35234  Pellaea andromedifolia T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR174257  Pellaea andromedifolia A. C. Sanders, T. B. Salvato 2006-6-2 33065 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR241684  Pellaea andromedifolia T. B. Salvato 2013-3-22 7409 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  CAS-BOT-BC71396  Pellaea mucronata Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SDSU13338  Pellaea mucronata var. mucronata C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UC809637  Pellaea mucronata var. mucronata Philip A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs; Colorado Desert, w end Eagle Mts 1097 Comment
  HSC34761  Pennisetum villosum R. E. Cooksey Mar 1974 200 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  POM229502  Penstemon californicus Philip A. Munz 1969-5-31 15122 Riverside Kenworthy, south end of San Jacinto Mts. 1372 Comment
  UCSB13025  Penstemon centranthifolius Suter, Richard 1961-5-7 Riverside on the west side of the Idylwild-Banning road; 6.9 miles south of its turnoff from U.S. Highway 60, 70, 99; in the San Jacinto Mountains 1463 Comment
  JEPS15103  Penstemon clevelandii var. connatus A. E. Wieslander 1938-5-5 737 Riverside near Sugar Loaf Mountain; Thermal Quad. Comment
  SD51812  Penstemon clevelandii var. connatus Rimo Bacigalupi, L. R. Heckard 1953-5-5 4074 Riverside Western Riverside County. Along the Palms-to-Pines Highway (Calif. No. 74), above the seven level Hill, western slopes of Deep Canyon, about I(c) way betw. Santa Rosa Mts. And San Jacinto Mts, west side of Coachella Valley Comment
  CLARK-A1528-1221  Penstemon cordifolius Robin L. Kobaly 1972-5-20 RLK 720520 Riverside San Jacinto Mountains 914 Comment
  POM12989  Pentachaeta aurea P. A. Munz, I. M. Johnston 1922-5-19 5308 Riverside Santa Ana River Canyon. 457 Comment
  RSA562425  Pentachaeta aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  CAS-BOT-BC71577  Pentagramma triangularis subsp. maxonii Lewis S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs 670 Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside 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
  RSA0042163  Peritoma arborea Duncan S. Bell, Evan Meyer 2014-4-2 6523 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  CAS-BOT-BC355983  Perityle emoryi D. A. Johansen; J. A. Ewan 1932-4-10 7059 Riverside Mouth of Tahquitz Canyon, western Colorado Desert Comment
  OBI26015  Perityle emoryi David J. Keil 1977-1-2 11930 Riverside Cactus City rest Area along I-10 E of Indio Comment
  RSA690985  Perityle emoryi Scott D. White, Michael Honer 2003-5-14 9303 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR20759  Perityle emoryi A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1308 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA445160  Petalonyx thurberi G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert. Comment
  SBBG29407  Petalonyx thurberi subsp. thurberi D. Myrick 1968-3-4 1802 Riverside Desert Hot Springs 304 Comment
  CAS-BOT-BC326769  Peucephyllum schottii Robert F. Thorne 1963-3-29 32441 Riverside South side of Eagle Mountains near pumping station of Metropolitan Water District about 12 miles west of Desert Center Comment
  JOTR35339  Peucephyllum schottii Harding, Mitzi, Mark Wheeler 2012-2-28 105 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA0104411  Peucephyllum schottii Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7742 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  RSA450555  Peucephyllum schottii B. A. Prigge 1988-2-21 7848 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  RSA471973  Peucephyllum schottii Christopher Davidson, Robert Gustafson 1977-4-7 5567 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
  UCSB22643  Peucephyllum schottii 1962-3-11 Riverside On steep rocky road cut on State 74, 5.7 miles southwest of Palm Desert 487 Comment
  POM13912  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4759 Riverside Shavers Well, near Mecca. 76 Comment
  POM182078  Phacelia ambigua P. A. Munz 1932-3-14 11974 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA519023  Phacelia ambigua D. A. Hoover 1986-4-7 775 Riverside Sandy bottom of the main canyon at the BLM gate. 549 Comment
  RSA781022  Phacelia ambigua var. minutiflora D. Silverman 2010-3-30 8062 Riverside East flank of southern McCoy Mountains, 1.8 km W of Black Creek Road, 7 km E of McCoy Peak, and 4.4 km north of the I-10 183 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
  UCR108490  Phacelia campanularia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16198 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  JOTR35288  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-11 20781 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA114702  Phacelia campanularia subsp. vasiformis P. A. Munz, Percy C. Everett 1952-5-2 20385 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR187468  Phacelia cicutaria var. hispida Diane Menuz 2006-6-6 134 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  UCSB17617  Phacelia crenulata Hurst, Linda 1963-5-5 Riverside About 12 miles E of Pinyon Flats Campground on California Highway 74 1097 Comment
  RSA0043231  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-18 252 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UC974993  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside 3 1/2 mi e Coachella Comment
  RSA0085057  Phacelia crenulata var. ambigua John Wallace, Steve McNabb 1991-5-5 13 Riverside Palo Verde Dam. 20 yards north of entrance gate along generator frontage road. Comment
  RSA0119975  Phacelia crenulata var. minutiflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9092 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA559958  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 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
  RSA650565  Phacelia distans Marion P. Harthill 1971-3-19 21 Riverside Palm Desert. Comment
  UCR101583  Phacelia distans 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
  UCR156078  Phacelia distans T. B. Salvato, Kent Beaman 2005-5-16 794 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
  UCR19172  Phacelia distans John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR41276  Phacelia distans B. G. Pitzer 1986-2-9 0001 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UC663064  Phacelia fremontii James E. Cole 1941-5-2 673 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  UCR98837  Phacelia hastata subsp. hastata L. C. Wheeler 1945-10-6 6135 Riverside San Jacinto Mtns, head of west fork of Snow Creek 2378 Comment
  RSA428297B  Phacelia minor M. B. Dunkle 1933-4-5 3375 Riverside Jack Rabbit Trail 915 Comment
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Mar 21 2011
  RSA495409  Phacelia minor Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2944 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA67760  Phacelia minor G. R. Campbell 1951-4-22 16071 Riverside Hwy 74, 4 mi. above Cranston Ranger Stn. 1006 Comment
  SBBG34218  Phacelia minor T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  SDSU18779  Phacelia minor C. Matt Guilliams 2008-2-13 453 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  SEINET1004488  Phacelia minor T. B. Salvato, Kent Beaman 2005-1 818 Riverside San Jacinto Mountain foothills: San Jacinto River E of Valle Vista, just downstream from Forest Service boundary and N of CA Hwy 74 549 Comment
  UCR214  Phacelia minor R. O. Perez 1955-5-7 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  UCR215519  Phacelia minor Daphne K. Christopher, Hannah I. Stevens 2003-4-4 087 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR90752  Phacelia minor Scott D. White 1995-4-5 2736 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCSB5417  Phacelia minor Nowell, J. 1958-5-17 Riverside 7 mi. from Banning on Banning-Idyllwild Road Comment
  JEPS1166  Phacelia mutabilis W. L. Jepson 1903-8-8 2309 Riverside Tauquitz Valley San Jacinto Mts. 2438 Comment
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Jul 6 2010
  POM13911  Phacelia pedicellata P. A. Munz, D. D. Keck 1922-4-9 4758 Riverside Shavers Well, near Mecca. 76 Comment
  RSA78725  Phacelia pedicellata P. A. Munz 1952-4-15 17342 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  CSUSB151  Phacelia ramosissima Mike Meloy 1964-4-22 640422 7 Riverside Near Pigeon Pass Road on Box Springs Mountain. 457 Comment
  RSA517935  Phacelia rotundifolia Steve Boyd, Orlando Mistretta 1986-3-13 1413 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR123223  Phacelia stellaris O. F. Clarke, Helga Forster 2000-1 s.n. Riverside San Bernardino Valley region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  POM3783  Phacelia tanacetifolia I. M. Johnston 1918-4-27 s.n. Riverside Near Corona. 274 Comment
  UCR75533  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  CDA2322  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley. West edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. Comment
  SEINET186318 Image available Philadelphus microphyllus var. stramineus Philip A. Munz 1938-1 15392 Riverside Ridge east of Toro Peak, Santa Rosa Mountains. 2438 Comment
  CAS-BOT-BC540726  Pholistoma membranaceum Sarah J. De Groot; Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, SE San Bernardino Mountains, NW of Desert Hot Springs 780 Comment
  POM13316  Pholistoma membranaceum E. C. Jaeger 1920-3-15 1080 Riverside Palm Canyon, Palm Springs. Comment
  RSA459299  Pholistoma membranaceum Bonnie C. Templeton 1930-3-22 1649 Riverside Palm Springs. 400 Comment
  RSA771693  Pholistoma membranaceum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4689 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 W116.65123 604 Comment
  UCR17965  Pholistoma membranaceum A. C. Sanders 1976-4-20 00980 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  CAS-BOT-BC135069  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  CAS-BOT-BC135104  Phoradendron californicum Roxana S. Ferris 1918-6-14 964 Riverside by stream at Plam Springs Comment
  UCR139944  Phoradendron californicum L. C. Wheeler 1964-10-17 8641 Riverside Sonoran Desert, North side of Orocopia Mountains, south of Hayfield Reservoir 457 Comment
  UCR96817  Phoradendron californicum Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  RSA0034750  Phoradendron californicum Phillip A. Munz, Street, Williams 1919-3-26 2333 Riverside Indio. Comment
  RSA645540  Phoradendron densum George K. Helmkamp 1995-11-16 s.n. Riverside San Jacinto Mountains. Pinyon Pines Camp beside Hwy 74. 1235 Comment
  UC1073269  Phoradendron densum George B. Rossbach 1955-4-22 233 Riverside between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  UC906740  Phoradendron densum Harold E. Parks Feb. 1946 24406 Riverside w. side Colorado Desert, Santa Rosa Canyon Comment
  UCR189647  Phoradendron densum John F. Green 2008-1-18 s.n. Riverside Peninsular Range; Gavilan Hills, 5.5 miles WNW of Perris, c. 0.5 mi. north of Santa Rosa Mine Rd. and 0.75 mi SE of Ida Leona Mine 671 Comment
  UCR35271  Physalis acutifolia Ken Chapman 1971-8-29 423 Riverside San Jacinto Valley - W side 473 Comment
  CLARK-A1528-4360  Physalis crassifolia John C. Roos 1947-2-1 3228 Riverside Painted Canyon Comment
  HSC82761  Physalis crassifolia Christopher Davidson 1979-4-4 7676 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  IRVC28190  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, small cyn, ca. 1.25 mi. N of Imperial Co. line and about 3.75 mi. W of aquaduct; accessed by dirt road off of main aquaduct road at siphon station. Within boundary of US Navy Choclate Mtn ... Colorado Desert Comment
  POM50002  Physalis crassifolia E. C. Jaeger 1925-3-1 s.n. Riverside Box Springs Mtns. Comment
  UCR256722  Physalis crassifolia Duncan S. Bell 2011-12-30 3042 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  SD181324  Physalis philadelphica Scott D. White 1998-10-13 7179 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. Joseph Canyon wash near a disused quarry 334 Comment
  POM11828  Pilularia americana P. A. Munz, I. M. Johnston 1922-5-19 5567 Riverside Menifee Valley. 427 Comment
  RSA234024  Pilularia americana R. F. Thorne, Earl Lathrop 1969-6-6 39321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  SEINET6330417 Image available Pilularia americana James Henrickson 1969-5-16 3256 Riverside 6 miles W of Murrieta on Colorado Mesa of Santa Rosa Plateau near large vernal pool Comment
  SEINET2149953  Pinus californiarum S. Langer 1999-1 s.n. Riverside from edge of dirt road off Highway 371, Santa Rosa Mountains. Comment
  UCR241203  Pinus coulteri Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1013 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UCR36315  Pinus coulteri R. M. Adams 1982-3-8 62-054 185 Riverside San Jacinto Mtns., in Bay Tree Flats, 1.2 mi south of Vista Grande Ranger Station Comment
  RSA0065519  Pinus coulteri Peter Gail 1961-5-6 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  RSA595732B  Pinus flexilis L. C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  RSA0094892  Pinus halepensis A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 395 Comment
  UC1506123  Pinus jeffreyi R. T. Clausen 1963-4-24 63065 Riverside summit Thomas Mt; Transverse Ranges, San Jacinto Mts., Thomas Mt 2080 Comment
  NY42732  Pinus quadrifolia J. B. Walker 1995-3-28 1289 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCSB142  Pinus quadrifolia Haller, John 1960-5-15 Riverside 0.4 mi. W of Calif. 74 on road to Anza, near S end of Hemet Valley 1463 Comment
  UCSB148  Pinus quadrifolia Waian, Lee 1960-5-15 Riverside 1/2 miles from Highway 74 on the road to Anza Comment
  CAS-BOT-BC71771  Pityrogramma triangularis var. viscosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23110 Riverside 10 mi. N. of Pala, along road to Elsinore Comment
  SEINET9287644  Plagiobothrys Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  SEINET1909857  Plagiobothrys canescens A. C. Sanders, J. C. Lyman 1995-1 16560 Riverside Glen Avon; Sand dune area on N. Slope of Jurupa Jills (draining toward Fontana), Pyrite St. Canyon (Fontana 7.5 Q.) Comment
  UCR172214  Plagiobothrys canescens John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR116466  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR172750  Plagiobothrys collinus Abby Sirulnik, Ian G. Gillespie 2000-5-14 42 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UC473483  Plagiobothrys leptocladus John Thomas Howell 1930-5-10 4776 Riverside March Field Comment
  UCR166808  Plagiobothrys leptocladus R. E. Riefner Jr. 2005-4-22 05- 241 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UC494752  Plagiobothrys nothofulvus Philip A. Munz 1932-3-24 12013 Riverside Corona 365 Comment
  POM287591  Plagiobothrys tenellus Lyman Benson 1932-3-26 3175 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA650596  Plantago erecta William Gilbert 1969-4-24 s.n. Riverside Hwy 71 and Temecula River. Comment
  UCR174319  Plantago erecta A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32553 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
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Feb 17 2013
  UC102750  Plantago ovata T. S. Brandegee 1902-5-15 Riverside Whitewater Comment
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Jan 14 2010
  POM312789  Plantago ovata var. fastigiata D. Taylor 1951-3-23 19 Riverside N of Blythe along Colorado River, Maria Mt Rang. 335 Comment
  UCSB32743  Plantago ovata var. fastigiata Cowan, Clark 1974-4-6 Riverside 1 mi. from Palm Desert Golf Course; .5 mi. on dirt road from maintenance shed; near dump area 91 Comment
  SBBG68797  Plantago patagonica M. N. Ackley 1928-3-10 791 Riverside Bridge Haven 426 Comment
  UCR266779  Plantago patagonica Mitch Provance, Matt Amalong 2015-3-25 315- 25 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  IRVC2718  Platanthera leucostachys R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  SD229212  Platanus racemosa Dick Schwenkmeyer 2012-10-16 935 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  POM9293  Platanus racemosa P. A. Munz, R. D. Harwood 1920-3-20 3374 Riverside 5 miles S of Corona 305 Comment
  UCR22124  Platystemon californicus Steve Boyd 1980-4-11 127 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0014312  Pleuraphis rigida Justin M. Wood, J. Miner 2010-4-30 1547 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  SEINET3221554 Image available Pleuraphis rigida E. R. Blakley 1962-11-25 5481 Riverside 50 miles west of Blythe on U.S. Highway 60-70 122 Comment
  UC1979838  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Mojave Desert; East Mojave Desert region: Dune system along Midland Rice Road, South Arica Mountains. Comment
  UCR243173  Pleuraphis rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4356 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
  CAS-BOT-BC326650  Pleurocoronis pluriseta E. A. McGregor 1917-3-18 735 Riverside 5 miles up Painted Canyon, Colorado Desert Comment
  RSA718300  Pleurocoronis pluriseta Michael Honer, Lincoln Hulse 2004-4-2 1881 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UC205026  Pluchea odorata var. odorata L. G. Childs 1921-1-21 Riverside Dos Palmas Colorado Desert Comment
  UCR103731  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR89811  Pluchea sericea Scott D. White 1993-5-27 1411 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SEINET10941526  Pluchea sericea David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3734 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR243155  Poa secunda subsp. secunda LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4286 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
  CAS-BOT-BC413938  Polygonum aviculare subsp. aviculare H. A. Zuill 1966-6-27 244 Riverside 2-4 miles WSW of Murrieta Comment
  POM48737  Polygonum aviculare subsp. aviculare P. A. Munz, I. M. Johnston 1924-7-29 8822 Riverside Banning Idyllwild Road. 945 Comment
  SBBG61495  Polygonum douglasii R. Hoffmann 1929-9-5 Riverside Tahquitz Valley Comment
  UCR111569  Polygonum lapathifolium Mitch Provance 1999-5-4 1682 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
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Dec 10 2010
  UC39738  Polypogon interruptus E. L. Koethen 1897-8-12 4 Riverside Riverside Comment
  UCR22042  Polypogon monspeliensis Steve Boyd 1980-5-15 274 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA334992  Polypogon viridis Steve Boyd 1985-7-23 1019 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  UCR146198  Polystichum imbricans subsp. curtum Gordon Marsh 1978-10-31 s.n. Riverside Santa Ana Mtns., Bear Spring 1209 Comment
  UCR237693  Populus fremontii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4589 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 526 Comment
  CAS-BOT-BC356169  Porophyllum gracile Annie M. Alexander; Louise Kellogg 1941-5-9 2141 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  RSA523507  Porophyllum gracile Steve Boyd 1990-3-30 3966 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  CAS-BOT-BC453923  Potamogeton pectinatus A. J. McC. 1892-6-5 99 Riverside Elsinore Comment
  UC1951225  Potamogeton pusillus Justin M. Wood with Brandy Wood 2009-7-4 1045 Riverside San Bernardino Valley: Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. Guasti 7.5' Quad. Comment
  RSA499237  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-7-9 s.n. Riverside S. side Strawberry Valley. 1585 Comment
  RSA0014806  Proboscidea louisianica Steve Boyd, Rita Gentry 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Rd. 427 Comment
  UC1129887  Prosopis glandulosa var. torreyana H. S. Yates 1936-4-6 5411 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UC61512  Prosopis glandulosa var. torreyana L. D. Copeland May 1904 5 Riverside West Canyon, Palm Springs; Palm Springs Comment
  SEINET2442086  Prosopis juliflora Fred D. Johnson 1962-1-2 6203 Riverside Tahquitz Canyon near Palm Springs. 140 Comment
  RSA453215  Prunus emarginata Elbert Benjamine 1929-5-19 210 Riverside Mt. San Jacinto. Comment
  CAS-BOT-BC151126  Prunus fremontii L. R. Abrams 1926-3-26 11067 Riverside Palm Springs to Palm Canyon Comment
  RSA356888  Prunus fremontii Robert F. Thorne 1966-10-15 41797 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA78209  Prunus fremontii J. C. Roos, L. Roos 1953-3-21 5908 Riverside Mouth of Andreas Canyon, south of Palm Springs. 274 Comment
  SEINET3077265 Image available Prunus fremontii Dave Hawks 1987-3-3 Riverside Terwilliger Valley, 5 mi SE of Anza. 1280 Comment
  HSC85250  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR140659  Prunus virginiana var. demissa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 88 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  CAS-BOT-BC356333  Psathyrotes ramosissima S. B. Parish 1912-6-28 8115 Riverside Mecca Comment
  CAS-BOT-BC356344  Psathyrotes ramosissima G. Helmkamp; E. Helmkamp 1998-1-17 2534 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well 243 Comment
  RSA0014598  Psathyrotes ramosissima Justin M. Wood, J. Miner 2010-4-30 1553 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  UCR29849  Psathyrotes ramosissima George K. Helmkamp 1983-3-24 383- 7 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  UCR281562  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 83 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  UCR234435  Psilocarphus brevissimus Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR67301  Psilocarphus brevissimus var. brevissimus A. C. Sanders, E. Rey, D. Willick 1991-4-19 10922 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR85735  Psilocarphus brevissimus var. brevissimus Scott D. White 1993-4-30 1318 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR280605  Psilocarphus chilensis R. E. Riefner Jr. 2017-4-2 17- 143 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  CAS-BOT-BC346364  Psorothamnus Marcus E. A M Jones 1925-9-7 s.n. Riverside Palm Spring Comment
  SD116581  Psorothamnus arborescens var. simplicifolius Barbara Ertter, Jeffrey Strachan 1980-5-20 3568 Riverside West side Whitewater Hill, east side of Whitewater Wash, northwest end of Coachella Valley, north of I-10. 456 Comment
  UCR17307  Psorothamnus arborescens var. simplicifolius K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  UCR194224  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 A Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CAS-BOT-BC353643  Psorothamnus emoryi E. R. Johnson 1928-6-8 s.n Riverside along highway south of Mecca, west side of Salton Sea Comment
  OBI13264  Psorothamnus emoryi H. E. McMinn 1935-6-27 4072 Riverside Palm Cyn Comment
  RSA0112104  Psorothamnus emoryi Duncan S. Bell 2009-10-9 487 Riverside Northwest of the Arica Mountains. 281 Comment
  RSA134875  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
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Aug 18 2010
  SEINET10906978  Psorothamnus emoryi Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 31 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  SEINET238937  Psorothamnus emoryi A. C. Sanders, T. B. Salvato 2000-4-27 23376 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills vicinity of the east end of Ave 60 (Mec 15 Comment
  UC1129831  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside 2 mi s Willis Palm; Thermal Quad., s of Willis Palm Comment
  UCR104000  Psorothamnus emoryi George K. Helmkamp 1998-4-4 3138 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR111987  Psorothamnus emoryi A. C. Sanders, T. B. Salvato 2000-4-27 23376 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  SD27953  Psorothamnus emoryi var. emoryi Carl B. Wolf 1932-4-26 2967 Riverside Colorado Desert 3 miles east of Mecca on blythe road Comment
  SD46419  Psorothamnus emoryi var. emoryi P. C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2 miles north of turn off highway 60/70, west of desert center to eagle Mountain pumping station 259 Comment
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Apr 5 2011
  SEINET3131124  Psorothamnus emoryi var. emoryi L. S. Rose 1935-12-19 35662 Riverside On Colorado desert at Palm Springs 138 Comment
  CAS-BOT-BC340925  Psorothamnus schottii Robert F. Thorne; R. Rutherford 1964-4-12 33655 Riverside About 1 mile W of Turnoff to Cottonwood Wells, along Hwy 60-70 Comment
  POM28904  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA498705  Psorothamnus schottii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
  UC990934  Psorothamnus schottii D. F. Howe 1952-4-27 Riverside 5 mi s of highway e Mecca (along all American Canal); , e of Mecca Comment
  RSA0019787  Psorothamnus spinosus April Garbat, Kristin Forgrave 2013-5-29 75 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA125245  Psorothamnus spinosus E. K. Balls, George B. Everett 1957-8-20 22668 Riverside Palm Springs, on S boundary, along rd. to Cathedral City. 91 Comment
  CAS-BOT-BC72614  Pteridium aquilinum Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, Blue Oak Canyon, steep tributary to Dawson Canyon on the northern flank of Estelle Mountain 487 Comment
  RSA467857  Pterospora andromedea L. C. Wheeler 1931-10-3 234 Riverside Strawberry Valley, San Jacinto Mts. 1890 Comment
  CAS-BOT-BC421255  Pterostegia drymarioides Peter Kamb 1948-5-2 930 Riverside North slopes of the San Jacinto Mts above Banning 1066 Comment
  UCR121301  Pterostegia drymarioides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25010 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCSB18375  Pterostegia drymarioides Smalley, G. 1964-5-10 Riverside State Highway 74, 10.8 miles SW of Palm Desert 914 Comment
  UCR18627  Pulicaria paludosa John C. Roos 1962-10-19 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater 549 Comment
  UCD45235  Quercus agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal Valley: Wright Ranch Comment
  SD193296  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside Valley Hi County Park off Highway 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR158907  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31545 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  POM296368  Quercus berberidifolia Lyman Benson 1945-11-10 11916 Riverside 5 miles east of Temecula. 457 Comment
  UCD162842  Quercus berberidifolia D. O. Burge 2015-3-17 1692 Riverside Rainbow area. 410 Comment
  UCR264644  Quercus berberidifolia Mitch Provance 2012-4-27 412- 19 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCSB12186  Quercus berberidifolia Breedlove, Dennis 1962-3-11 Riverside 5.7 miles northwest of Mountain Center, at junction with Riverside Highway 1 on State 74 944 Comment
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Feb 24 2013
  CAS-BOT-BC62435  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  RSA0124382  Quercus chrysolepis Duncan S. Bell 2016-4-16 9336 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCD170551  Quercus chrysolepis D. O. Burge 2017-5-20 2279 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  SEINET7048004  Quercus chrysolepis var. nana Steven R. Hill, Kate Kramer and family 2001-4-26 33471 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  RSA477112  Quercus cornelius-mulleri J. C. Roos 1965-9-26 s.n. Riverside Pinyon Flats, Santa Rosa Mts. Comment
  UCD63677  Quercus cornelius-mulleri Daniel Sanchez-Mata; Salvador Rivas-Martinez 2008-6-6 s.n. Riverside Joshua Tree. Joshua Tree National Park. Ryan campground close to California Riding and Hiking Trail. 1430 Comment
  UCSB60490  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Just off Hwy. 74, south on 7S06 (dirt road), 3.6 miles northeast of the junction of Hwy. 74 and Santa Rosa Mt. Road 1036 Comment
  SD262289  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617 01 Riverside Temescal Valley: Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  UCR217658  Quercus engelmannii Diane Menuz, Joe Veverka 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
  UC56657  Quercus wislizeni H. M. Hall 1902-4-17 2879 Riverside above Johnston Ranch; San Jacinto Mts. 1524 Comment
  RSA660567  Rafinesquia californica Bruce Albert 1982-4-17 33 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  UCR116590  Rafinesquia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24175 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  CLARK-A1528-2075  Rafinesquia neomexicana John C. Roos 1947-3-1 3304 Riverside Garnet Comment
  SBBG46757  Rafinesquia neomexicana Leota Davidson 1966-4-6 109 Riverside ca. 0.5 mi W Wiley Well Rd, at second intersection S of Interstate 10, Chuckwalla Mtns Comment
  SBBG8706  Rafinesquia neomexicana C. H. Muller 1952-4-4 9495 Riverside White Water Cyn, ca. 1 mi above White Water Comment
  SEINET6088758  Rafinesquia neomexicana Unknown 1944-3-25 1038 Riverside Morongo Pass. Comment
  UCR279567  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-29 43176 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
  RSA162760  Ranunculus cymbalaria var. saximontanus J. D. Olmsted 1959-9-23 997 Riverside Stream crossing just S of Hurkey Creek crossing on Hwy 74 by entrance to Garner Ranch. San Jacinto Mts to Hemet Lake 1479 Comment
  UC827712  Ranunculus cymbalaria var. saximontanus Crawford and Johnston 1917-6-9 1219 Riverside near Corona; Santa Ana River Comment
  SEINET270114  Ranunculus hebecarpus Steve Boyd, Tim Ross; Orlando Mistretta 1992-3-31 6759 Riverside San Mateo Canyon Wilderness Area ; Santa ana Mountains Tenaja trail from junction with Morgan Trail south to Pigeon Spring area 67 Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  UCD115209  Raphanus sativus E. W. Lathrop 1966-3-30 6126 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1219 Comment
  RSA0034421  Rhamnus californica Percy C. Everett 1935-6-17 7137 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  UCR140656  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 90 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  RSA735078  Rhamnus crocea Scott D. White, Angelia Carey 2004-6-4 10480 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  HSC86869  Rhamnus ilicifolia E. Misquez 1987-4-11 12 Riverside Santa Ana Mtns., Walker Basin; 2 miles on Avenida de Oro from jct. with Rancho California Rd., and 4.7 miles W of Interstate 15 415 Comment
  SBBG44538  Rhamnus ilicifolia W. B. Holt 1941-10-23 18 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  RSA788240  Rhamnus tomentella Linda M. Prince, Duncan S. Bell 2009-6-17 583 Riverside Cleveland National Forest. Comment
  UC218160  Rhododendron occidentale P. A. Munz 1922-9-6 6383 Riverside North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2209 Comment
  RSA257006  Rhododendron occidentale var. californicum Gary D. Wallace, D. H. Wilken 1966-7-3 656 Riverside Just east of Idyllwild. Comment
  JOTR30773  Rhus aromatica La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1885 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  JOTR32193  Rhus aromatica Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  UCR194814  Rhus aromatica Scott D. White 2006-5-19 11477 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  UCR167811  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  HSC101783  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13189 Riverside Along State Route 74 1227 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
  SEINET5569815  Rhus ovata H. S. Gentry 1954-1 14245 Riverside Northwest of Aguanga, along road to Sage. Comment
  UCR91415  Rhus ovata Scott D. White 1995-4-5 2703 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UC667350  Rhus trilobata Annie M. Alexander and Louise Kellogg 1941-5-21 2209 Riverside n slope of Eagle Mountains (near head of canyon); Colorado Desert 1280 Comment
  POM11525  Rhus trilobata var. anisophylla P. A. Munz 1922-7-3 5956 Riverside S slope of Santa Rosa Mountains 1524 Comment
  RSA76945  Rhus trilobata var. pilosissima F. W. Peirson 1928-3-24 7727 Riverside Large clumps along road up Temecula River, just north of Dripping Spring. 457 Comment
  RSA476418  Ribes californicum var. hesperium J. D. Olmsted 1962-5-10 3626 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UC219063  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  UC455598  Ribes cereum I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 3200 Comment
  CLARK-A1528-4132  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  UCR82800  Ribes indecorum A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14226 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  SEINET13942609 Image available Ribes malvaceum Carl B. Wolf 1932-1 2651 Riverside Santa Ana mountains, Hidden Canyon, 5 mi W of Corona, base of Skyline Drive. Alt 1330 ft. Upper Sonoran: -Chaparral 405 Comment
  POM15061  Ribes malvaceum var. viridifolium Mary F. Spencer 1922-4-22 1887 Riverside Canyon Prope [near] Banning 701 Comment
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Mar 13 2011
  POM307246  Ribes nevadense Henry J. Ramsey, Mrs. Ramsey 1937-5-22 2243 Riverside Santa Rosa Mountains Comment
  UCSB12539  Ribes nevadense Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning; on Banning-Idyllwild road; In the San Bernardino National Forest; San Jacinto Mountains 1584 Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  RSA736648  Rorippa palustris subsp. occidentalis Justin M. Wood 2008-7-16 38 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 28 2010
  RSA575842  Rosa californica Steve D. Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  UCR151033  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA0046831  Rumex crispus Paul Shirokawa 1998-5-15 32 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  UCR182351  Rumex maritimus Mitch Provance 2005-5-17 6553 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
  UCR241057  Rumex maritimus John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  SEINET238572  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash between the Market St. and Riverside Ave crossings. 244 Comment
  UCR268299  Rumex salicifolius Jim Andre 2012-6-15 30552 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR80798  Rumex salicifolius Scott D. White 1993-5-29 1479 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  JEPS65655  Rupertia rigida Carl V. Meyer 1927-6-18 780 Riverside summit of grade between Coahuila and Kenworthy; Hamilton Grade Comment
  UC63797  Salazaria mexicana H. M. Hall May 17 1901-Jun 1 1901 1843 Riverside e base San Jacinto Mt.; east base of San Jacinto Mt. 457 Comment
  UC64580  Salicornia subterminalis S. B. Parish 1897-6-18 4463 Riverside Menifee Comment
  POM248440  Salix exigua Philip Crow 1939-7-13 s.n. Riverside Blythe. Comment
  RSA586049  Salix exigua D. L. Banks, Steve D. Boyd 1995-3-16 101 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 555 Comment
  UC1280860  Salix exigua H. E. McMinn 1937-3-6 5010 Riverside 3 mi e Blythe (Colorado River Bridge) Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  POM361012  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside North of Elsinore 305 Comment
  UCR225737  Salix gooddingii A. C. Sanders, T. B. Salvato 2011-3-30 38891 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  SD108927  Salix lasiandra var. lasiandra James Henrickson 1973-3-18 8617 Riverside Ca 37 (air) miles east of Temecula, on Coyote Canyon Trail, SE of Terwilliger, ca 3 miles N of San Diego Co. line Comment
  POM319098  Salix lasiolepis Patricia Wilder 1971-2-4 4917 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  CDA5807  Salpichroa origanifolia F. J. Willmarth 1964-6-15 Riverside Temecula Hotel, Temecula. 0 Comment
  POM12755  Salsola tragus P. A. Munz 1922-7-3 5947 Riverside Vandeventer Flat 1372 Comment
  HSC101582  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Highway Vehicle Area Comment
  RSA157909  Saltugilia australis P. A. Munz 1927-5-20 10811 Riverside 10 miles S. of Hemet. Comment
  RSA714635  Saltugilia australis A. C. Sanders, D. Malueg 2003-5-8 26573 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  UCR120649  Saltugilia australis D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1792 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  HSC86129  Saltugilia grinnellii subsp. grinnellii M. H. Frost, Jr. 1954-6-6 13 Riverside San Jacinto Mtns. 1524 Comment
  POM230737  Saltugilia splendens I. W. Clokey, E. G. Anderson 1933-8-21 6827 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  RSA67079  Saltugilia splendens Verne Grant, Alva Grant 1951-4-7 15984 Riverside Below Morongo Valley on road to White Water 732 Comment
  UC23850  Saltugilia splendens subsp. splendens H. M. Hall June, 1901 2305 Riverside in canyons of the w side San Jacinto Mountains Comment
  CHSC780  Salvia apiana 1935-4-1 Riverside Colorado Desert. Comment
  CHSC89887  Salvia apiana L. P. Janeway 2004-5-8 8076 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  IRVC2083  Salvia columbariae Jim Pierce 1965-4-7 none Riverside Blythe. Sonoran Desert Comment
  JOTR29088  Salvia columbariae La Doux, Tasha 2005-3-30 1205 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM10197  Salvia columbariae P. A. Munz 1921-4-30 4501 Riverside Pinyon Wells 1220 Comment
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  SEINET7063422  Salvia columbariae A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon. UTM Zone 11, 473626mE, 3725052mN. (WGS84/NAD83). 411 Comment
  UCR137496  Salvia columbariae D. L. Banks, V. W. Steinmann 1997-3-13 1487 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
  UCR91454  Salvia columbariae Scott D. White 1995-3-30 2670 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA664086  Salvia columbariae var. columbariae Bruce Albert 1982-4-17 70 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  RSA0034463  Salvia columbariae var. columbariae Bruce Albert 1982-4-17 70 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  RSA356609  Salvia eremostachya Robert F. Thorne 1966-10-15 41814 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA721459  Salvia greatae Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4336 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 Comment
  RSA0003962  Salvia greatae H. M. Hall, L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas Comment
  OBI32627  Salvia mellifera O. F. Clarke 1972-3-13 s.n. Riverside UCR botanic garden; hybrid found by D. Kucera Comment
  RSA613429  Salvia mellifera D. L. Banks 1997-4-5 1663 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  RSA640158  Salvia vaseyi Louis C. Wheeler 1955-6-16 7160 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  CSUSB699  Sambucus mexicana Conrad Bahre 1970-5-2 Riverside 16 miles east of Riverside along highway 60 in the Bad lands 761 Comment
  POM19626  Sambucus mexicana Mary F. Spencer 1923-7-9 s.n. Riverside Fern Valley, San Jacinto Mountains. 1006 Comment
  UC889777  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCR155310  Sambucus mexicana A. C. Sanders 2005-5-4 29853 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCSB6271  Sambucus nigra subsp. caerulea Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon; Santa Ana Mt. Range; Pacific slope Drainage Area 335 Comment
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  UCR160530  Sanicula arguta John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA359518  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  SDSU12266  Sanicula crassicaulis Jeremy Mass, Ryan Jacobsen 2000-4-19 13 Riverside Along edge of road near Stone Creek close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  RSA0048661  Sanicula menziesii Keith E. Hoffmaster 1934-4-8 141 Riverside Santa Ana Mts. [Orange or Riverside County] Comment
  RSA570234  Sanicula tuberosa Steve Boyd, Timothy S. Ross 1993-3-23 7908 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road. 732 Comment
  UC219188  Sanicula tuberosa P. A. Munz 1922-4-28 5038 Riverside Santa Ana Mountain, Leach Canyon Leach Canyon; Santa Ana Mountain, Leach Canyon 701 Comment
  CDA15706  Sarcostemma hirtellum G. F. Hrusa, J. A. Hart 1993-4-4 10592 Riverside Cholla Garden, Joshua Tree NM. Comment
  UCR175519  Sarcostemma hirtellum Jim Andre, T. La Doux 2006-4-11 6733 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR77761  Schinus molle Steve Boyd 1991-9-8 6426 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UCR245913  Schismus arabicus Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3946 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  CAS-BOT-BC243461  Schismus barbatus John H. Thomas 1957-3-30 6524 Riverside 0.8 miles east of Cactus City about 13 miles east of Coachella, nera U.S. Highways 60 and 70, Colorado Desert 518 Comment
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  RSA651602  Schismus barbatus Marion P. Harthill 1973-2-17 1559 Riverside Snow Creek, Palm Springs 366 Comment
  RSA770452  Schismus barbatus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4564 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778624  Schismus barbatus Duncan S. Bell 2009-3-8 65 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCR108839  Schismus barbatus Heidi A. Haid 1969-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  CAS-BOT-BC111386  Schoenoplectus acutus var. occidentalis Louis C. Wheeler 1932-9-4 1337 Riverside Santa Ana R. at Chino Creek 182 Comment
  UCR115881  Schoenoplectus acutus var. occidentalis Mitch Provance 1999-5-6 1163 Riverside San Bernardino/Santa Ana River Valley, city of Riverside, Arlanza area, at (nearly dry) Hole Lake 220 Comment
  SD122839  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa, on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S 02. In moist swale-drainage along road. Comment
  SEINET10602611  Scribneria bolanderi Steve Boyd 1995-5-13 Boyd 8510 Riverside Santa Ana Mountains, west of "Onion Hill", southeast of Elsinore Peak area along trail following old Main Divide Road grade. "Onion Hill" with grassland of Stipa pulchrain areas of heavy clay soil, surrounded by chaparral of Adenostoma fasciculatum, Ceanothus crassifolius, Quercus berberidifolia, Salvia mellifera, and Eriogonum fasciculatum on well-drained granitic soils. 3300 Comment
  UCSB25710  Scrophularia californica Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.7 miles southwest of junction with Highway 74, Little Thomas Mountain 1524 Comment
  RSA425207  Scrophularia californica subsp. floribunda Christopher Davidson 1977-5-18 5615 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA559363  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross, D. Bramlet 1993-5-13 7380 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  CAS-BOT-BC214224  Scutellaria bolanderi subsp. austromontana A. C. Sanders; Mitch Provance 2008-7-11 35803 Riverside 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, Peninsular Range, San Jacinto Mtns. 1474 Comment
  UCR35330  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1964-7-26 28 Riverside San Jacinto Mtns., Upper May Valley 1616 Comment
  UCR97438  Searsia lancea A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Murray Canyon off Palm Canyon 244 Comment
  RSA603301  Sedum niveum R. E. Riefner 1997-8-7 97 -241 Riverside Santa Rosa Mountain: near summit 2439 Comment
  RSA0074745  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  LA209602  Selaginella asprella Lawrence L. Kiefer; 1963-9-15 954 Riverside San Jacinto Mountains, N fork San Jacinto River (Dark Cyn.), ca. 2.5 mi above Dark Canyon Camp 1981 Comment
  UC306718  Selaginella bigelovii S. B. Parish 1918-4-3 11689 Riverside Oak Lodge; San Jacinto River canyon 914 Comment
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Nov 20 2011
  UCR125715  Selaginella cinerascens Denise Woodard 2001-1 s.n. Riverside Nichols Reservoir, Skunk Hollow Hills 488 Comment
  CAS-BOT-BC62090  Selaginella eremophila Milo S. Baker 1928-4-3 3296 a Riverside Palm Canyon Comment
  RSA791478  Senecio flaccidus var. monoensis J. Andre 2012-4-16 20930 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 2.4 mi. north of Cottonwood Visitor's Ctr..mixed sonoran-mohaven scrub. 956 Comment
  UC831925  Senecio flaccidus var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 mi below Cottonwood Springs Comment
  JEPS27777  Senecio mohavensis Edmund C. Jaeger 1926-2-26 Riverside 25 mi se from Mecca; Canyon Springs Wash Comment
  JOTR35365  Senecio mohavensis Harding, Mitzi, M. Wheeler 2011-1-26 149 Riverside Joshua Tree National Park. West Coxcombs, north facing rocky slope (STOP3) 328 Comment
  JOTR36444  Senecio mohavensis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3414 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
  RSA703384  Senecio mohavensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1411 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC1428708  Senecio mohavensis J. L. Strother 1973-3-23 1156 Riverside Painted Canyon , E Mecca (E Mecca) Comment
  JOTR34186  Senecio vulgaris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3235 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCD108465  Senegalia greggii R. Tofsrud 1950-4-1 s.n. Riverside 15 miles N of Blythe, Hwy. 95. Comment
  CAS-BOT-BC502088  Senna armata A. C. Sanders; Jim Malusa 2015-9-10 41855 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Rd c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  UCR198201  Senna armata Michael Honer, L. Hulse 2004-4-3 1909 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  CAS-BOT-BC229148  Sequoiadendron giganteum Rudolf Schmid; Mena Schmid 2009-5-1 2009 -6 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn., Just left (as ascending) of Black Mountain Trail in flat open area on the sloping plateau..., 2369 Comment
  UCR54044  Setaria adhaerens A. C. Sanders 1988-11-6 8740 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA651762  Setaria parviflora Diane T. Liggett 1981-5-16 12 Riverside Riverside Freeway (91) east of Gypsum Canyon Road, north to Featherly Park entrance, east ot bike trail, 0.2 km east. Comment
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Jul 14 2013
  RSA433906  Sidalcea malviflora Robert Gustafson 1983-4-18 2508 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 549 Comment
  RSA433909  Sidalcea malviflora subsp. sparsifolia Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow Comment
  SBBG29114  Sidotheca trilobata I. W. Clokey with E. G. Anderson 1935-8-21 6599 Riverside E of Keen Camp Post Office 1360 Comment
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Nov 20 2010
  SD152887  Silene antirrhina Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7353 Riverside Southern Santa Ana Mountains, San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon. 365 Comment
  UCR214319  Silene antirrhina A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38395 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  CAS-BOT-BC389584  Silene parishii P. A. Munz; E. K. Balls 1952-8-21 17977 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  POM78663  Silene parishii var. viscida Albert J. Perkins 1916-9-15 s.n. Riverside Summit, Tahquitz Peak. Comment
  CAS-BOT-BC175127  Silene verecunda Carl B. Wolf 1932-8-5 3931 Riverside San Jacinto Mts. Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley 2438 Comment
  JEPS44374  Silene verecunda subsp. andersonii Lauramay T. Dempster 1966-6-19 4275 Riverside about 1 mi below junction with spur to Santa Rosa Springs (Santa Rosa Mountain road); , below jct to Santa Rosa Springs Comment
  RSA575854  Silybum marianum Steve Boyd 1980-4-23 s.n. Riverside Glen Avon, ruderal field at Jurupa Road and Galena Avenue Comment
  GMDRC9798  Simmondsia chinensis J. M. Andre 2017-3-1 38002 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  RSA761685  Simmondsia chinensis Robert