Search Results — 2000 specimen records retrieved (1904 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519128  Abies concolor F. C. Vasek 1977-11-25 771125 -5 Riverside San Jacinto Mountains, area around Boulder Basin Campground, just below Black Mountain Look Out. Comment
  SD229024  Abies concolor Dick Schwenkmeyer 2012-8-27 806 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  POM47186  Abronia pogonantha Mary F. Spencer 1920-04 1457 Riverside Cottonwood Springs, Colorado Desert Comment
  CAS-BOT-BC229361  Abronia villosa H. M. Hall 1902-1-1 2915 Riverside Vicinity of Winchester 457 Comment
  RSA461030  Abronia villosa Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  SD122379  Abronia villosa Duffie Clemons, Erikl Jonsson 1988-2-13 1935 Riverside Ca. 3 miles north of I-10 along Washington St. southwest of Indio Hills. Coachella Valley. Comment
  SEINET893735  Abronia villosa Rea Raymond 1962-1 197 Riverside Cathedral City, Palms to Pines Highway. San Jaciento mountain range. 152 Comment
  SEINET893741  Abronia villosa H. M. Hall 1902-1 2915 Riverside Vicinity of Winchester, in the Upper Sonoran Zone. 457 Comment
  POM12868  Abronia villosa var. aurita P. A. Munz, I. M. Johnston 1922-5-20 5525 Riverside Hemet Valley, San Jacinto Mountains; sandy washes on Garner Ranch. 1402 Comment
  RSA461185  Abronia villosa var. aurita H. de Forest 1924-3-28 s.n. Riverside Palm Springs. Comment
  RSA784775  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3179 Riverside The Mecca Hills; southeastern section of hills; up the east fork of Hidden Springs Canyon, approximately 1.75 air miles southwest of Hidden Spring. 95 Comment
  UCR127362  Abronia villosa var. aurita A. C. Sanders, D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  RSA0009281  Abronia villosa var. aurita D. L. Banks, Lauren Raz 1996-11-5 1183 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  RSA0094791  Abronia villosa var. villosa Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7934 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  RSA461198  Abronia villosa var. villosa E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  RSA779201  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  HSC47323  Acacia greggii Richard Spjut 1978-5-17 5043 Riverside N face of Chuckawalla Mts., 2.7 mi. S of Desert Center. 335 Comment
  UC68625  Acacia greggii H. M. Hall Apr 1905 5987 Riverside near Indio (Colorado Desert); Colorado Desert 30 Comment
  SEINET2059725 Image available Acacia greggii var. greggii Penny Stead 1970-4-25 Riverside Box Canyon 304 Comment
  CAS-BOT-BC30912  Acamptopappus sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  SFV11426  Acamptopappus sphaerocephalus M. L. Vincent, R. H. Swade 1963-10-19 461 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UCR239833  Acer negundo O. F. Clarke 2004-4-6 s.n. Riverside Peninsular Range, Riverside, UCR campus, near road to Botanic Garden 328 Comment
  SEINET13363739 Image available Achillea lanulosa Dieter H. Wilken 1965-1 276 Riverside Herkey Creek Public Camp, Hemet Valley, San Jacinto Mountains 1372 Comment
  UCD50364  Achnatherum hymenoides Peter Kamb 1948-4-11 900 Riverside Lower Sonoran Zone. Whitewater Wash near Whitewater, Coachella Valley. 457 Comment
  SEINET260235 Image available Achnatherum lemmonii M. Curto, LS Allen 1991-6-26 768 Riverside San Bernardino National Forest ; San Bernardino NF Thomas Mt USFS Rd 6S13 ca 3km W of CA Hwy 74 1500 Comment
  RSA126801  Achnatherum speciosum H. S. Yates 1937-3-24 6463 Riverside Near Head of Deep Canyon. 914 Comment
  RSA494624  Achnatherum speciosum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  JOTR31233  Achyronychia cooperi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2017 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  RSA264154  Achyronychia cooperi C. W. Tilforth 1977-5-20 1330 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  RSA503144  Achyronychia cooperi Gary D. Wallace, D. H. Wilken 1966-3-26 261 Riverside Indio Hills 70 Comment
  SBBG34721  Achyronychia cooperi T. L. Secrest 1948-4-7 Riverside 2 mi S of Desert Hot Springs 213 Comment
  UCR102941  Achyronychia cooperi George K. Helmkamp 1998-4-4 3143 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR116615  Achyronychia cooperi A. C. Sanders 2001-3-20 23837 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  SD224962  Acmispon grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild Area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1700 Comment
  JOTR35478  Acmispon nevadensis var. nevadensis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3166 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  SBBG44749  Acmispon rigidus Leota Davidson 1965-5-11 179 Riverside Joshua Tree Nat Monument Comment
  SBBG37495  Acmispon strigosus R. N. Muller 1967-5-5 31 Riverside UC Riverside campus, next to rd outside of SW corner of UCR Botanic Garden Comment
  UCSB46690  Acmispon strigosus Reed, Susan 1977-5-30 Riverside University of California James Reserve 1828 Comment
  RSA588171  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 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., 33 deg 27'.024 N - 116 deg 57'.923 W. 597 Comment
  UCD128475  Acourtia microcephala Steve Myers 1988-6-30 s.n. Riverside Murrieta area, between Highway I-15 and Jackson Street, around 0.5 mile southeast of Inland Valley Medical Center, near Clinton Keith Road. Comment
  SEINET5807513 Image available Actinolepis multicaulis Marcus E. Jones 1882-1 3173 Riverside San Jacinto Comment
  UCR140703  Adenostoma fasciculatum A. C. Sanders 2004-5-11 27850 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  SEINET3077277 Image available Adenostoma sparsifolium H. S. Gentry 1954-7-25 14250 Riverside Dripping Springs along Rte 79. Comment
  UCD112515  Adenostoma sparsifolium Donald Myrick 1964-4-29 810 Riverside Palms Highway 74, 15 miles E of Hemet. 1219 Comment
  UCR106352  Adenostoma sparsifolium John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UC63088  Agoseris grandiflora var. grandiflora H. M. Hall 1901-6-24 Riverside w side Squirrel Creek; San Jacinto Mountains 1676 Comment
  UCR213895  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-22 12892 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  CAS-BOT-BC139444  Agrostis hyemalis Ralph Hoffmann 1929-9-6 s.n. Riverside Border of brook, Jahquitz Valley, Mount San Jacinto. 2438 Comment
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station (Idyllwild 7.5' Q.) 1450 Comment
  UCR92358  Agrostis viridis Scott D. White, S. Ogg 1994-10-17 2496 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  UCR162619  Alchemilla occidentalis Abby Sirulnik 2003-4-1 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Lopez Canyon, near Lake Skinner 610 Comment
  IRVC14335  Allenrolfea occidentalis L. McHargue 1971-10-23 Riverside Salton Sea; Northshore, edge of Salton Sea in wet, saline soil. Sonoran Desert -70 Comment
  RSA339252  Allionia incarnata Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53605 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR163873  Allionia incarnata B. G. Pitzer 2000-11-4 4241 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  CAS-BOT-BC469000  Allium fimbriatum var. fimbriatum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway, Mt. San Jacinto Comment
  RSA770542  Allium haematochiton S. Mashayekhi, M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from south main divide, below the Radio Tower 971 Comment
  RSA777143  Allium haematochiton Steve Boyd 2010-5-16 12275 Riverside San Jacinto Mountains: Northwestern base of San Jacinto Mountains along Highland Springs Ave., 1.5 miles S of Breckenridge Ave, City of Banning. 732 Comment
  SBBG92807  Allium munzii S. Boyd 1986-4-22 1781 Riverside N of summit of Estelle Mtn, Gavilan Hills; T5S R5W NE1/4 NE 1/4 S5 841 Comment
  UCR218070  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Santa Ana Mountains, Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  RSA367126  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  UCR251983  Allophyllum A. C. Sanders, T. B. Salvato 2014-7-2 41180 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC455464  Allophyllum glutinosum I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  SBBG54318  Alopecurus saccatus C. Davidson 1977-5-25 5648 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  SD260880  Alternanthera caracasana Mitch Provance 2012-7-17 712 11 Riverside San Gorgonio Pass: South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio AVE. 1134 Comment
  POM48599  Amaranthus blitoides Mary F. Spencer 1919-7-9 1270 Riverside In sandy fields. San Jacinto. 305 Comment
  SEINET998501  Amaranthus blitoides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-1 32496 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  RSA0020466  Amaranthus fimbriatus Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6032 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  RSA709116  Amaranthus hybridus Scott D. White, Justin Wood 2005-10-4 11236 Riverside Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  RSA402998  Amaranthus hybridus J. S. Stubblefield 1940-9-27 s.n. Riverside growing on ranch near Temecula Comment
  UCR94938  Ambrosia acanthicarpa Scott D. White 1996-9-22 4532 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
  CAS-BOT-BC22596  Ambrosia dumosa Lewis S. Rose 1957-1-9 57020 Riverside Palm Desert 91 Comment
  RSA760806  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 157 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  SBBG29419  Ambrosia dumosa D. Myrick 1968-3-4 1801 Riverside Desert Hot Springs 304 Comment
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  UCR41632  Ambrosia ilicifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6075 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC55617  Ambrosia psilostachya W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon, Riverside Canon Comment
  SD80050  Ambrosia salsola var. salsola Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Clubhouse, Andreas Canyon 305 Comment
  RSA522319  Ammannia coccinea Steve Boyd 1989-7-23 3789 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  POM19489  Amorpha fruticosa Mary F. Spencer 1923-8-17 2191 Riverside Pipe creek, pr. [prope (near)] Thomas Valley, San Jacinto Mt. 1433 Comment
  UCR94248  Amorpha fruticosa Scott D. White 1996-4-14 3924 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
  JEPS61126  Amsinckia intermedia W. L. Jepson 1939-4-17 19127 Riverside n end Temescal Canyon, near Twin Springs; Temescal Canyon 274 Comment
  UCD119698  Amsinckia intermedia T. B. Salvato; Kent Beaman 2005-5-16 786 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR168547  Amsinckia intermedia var. eastwoodiae P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside Peninsular Ranges; Santa Ana Mountains region, 3 miles southwest of Corona 305 Comment
  UCR241949  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  RSA0091472  Amsinckia tessellata C. B. Wolf 1932-4-27 3037 Riverside Colorado Desert, 3/4 mile west of Utopia on Mecca-Blythe road. 152 Comment
  RSA0091461  Amsinckia tessellata E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mountains. Comment
  RSA0091470  Amsinckia tessellata var. tessellata J. Andre 2012-3-19 21313 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC1329903  Amsonia tomentosa James E. Cole 1941-5-14 703 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1280 Comment
  RSA628492  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR174515  Anemopsis californica A. C. Sanders, John F. Green 2006-5-18 32377 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  CAS-BOT-BC79931  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  JEPS16669  Antirrhinum coulterianum Rimo Bacigalupi with Gene Newcomb 1954-4-25 4396 Riverside 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  SD143717  Antirrhinum coulterianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  UCR156278  Antirrhinum coulterianum T. B. Salvato, Kent Beaman 2005-5-16 851 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
  RSA425814  Antirrhinum filipes E. C. Jaeger 1922-04 717 Riverside Chuckwalla Bench Comment
Read comments
May 29 2011
  POM262976  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1941-4-19 176 Riverside Reche Canyon - 'Plateau' [Label indicates San Bernardino Co.] Comment
  RSA125361  Antirrhinum nuttallianum subsp. nuttallianum R. Weatherby 1950-5-25 1096 Riverside 3 miles west of Lakeview Comment
Read comments
Jul 11 2012
  SD143716  Antirrhinum nuttallianum subsp. nuttallianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20701 Riverside San jacinto Mountains: N side of the range, Twin Pines Creek below the confluence with Brown Crk. 854 Comment
  RSA615134  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road. 503 Comment
  RSA561805  Apiastrum angustifolium Steve Boyd 1992-4-14 6839 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UC20819  Apiastrum angustifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR3407  Apiastrum angustifolium John Minnich 1964-4-7 64-04-0-7- 3 Riverside Box Springs Mtns, Two Trees Canyon, Riverside 367 Comment
  RSA463105  Apium graveolens Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  RSA49177  Arabis glaucovalvula P. A. Munz 1949-4-13 13057 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA0125500  Arabis holboellii Scott D. White, Justin M. Wood 2009-5-21 12873 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  RSA629129  Arctostaphylos Jon E. Keeley 1992-7-17 16782 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629135  Arctostaphylos Jon E. Keeley 1992-7-16 16571 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 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
  RSA629357  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15541 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  RSA629393  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19515 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629447  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  RSA629462  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA629472  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16830 Riverside Idyllwild, Saunders Meadow Road, east of Highway 243. 1610 Comment
  RSA635600  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-7-17 16754 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA629403  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19522 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  POM254924  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-12 s.n. Riverside Main Divide Road, east of Los Pinos Peak, Santa Ana Mts. Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA631735  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19283 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631740  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19287 Riverside Highway 79, at Radec. 580 Comment
  RSA631821  Arctostaphylos glauca Jon E. Keeley 1992-7-12 15533 Riverside Road to Elsinore Peak, 5 km south of Highway 74, Santa Ana Mountains. Comment
  RSA751635  Arctostaphylos glauca G. Gust, L. Nye 2005-3-11 551 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  SD137791  Arctostaphylos glauca Darin L. Banks, Steve Boyd 1995-3-30 121 Riverside ClevelandNat'l Forest, Agua Tibia Wilderness Area 700 Comment
  RSA633530  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20147 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633545  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22671 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633656  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16643 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  RSA633704  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16674 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633712  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16655 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA635598  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16760 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  POM19646  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1923-6-18 2218 Riverside Idyllwild, San Jacinto Mt. 2134 Comment
  POM367423  Arctostaphylos pringlei subsp. drupacea N. C. Cooper 1944-5-20 1280 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA604157  Arctostaphylos pringlei subsp. drupacea W. B. Welch 1928-5-5 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  RSA635639  Arctostaphylos pringlei subsp. drupacea Keith Gilliland 1954-4-14 1 Riverside Idyllwild. 1677 Comment
  SEINET3093966 Image available Arctostaphylos pringlei subsp. drupacea Janice Hollinger 1972-5-13 720513 -7 Riverside San Jacinto Mtns., Idyllwild. Comment
  UCR178145  Arctostaphylos pungens Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 149 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  RSA636001  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19543 Riverside Carancho Rd., W. of Temecula. 440 Comment
  SD125999  Arctostaphylos rainbowensis Steve Myers 1987-9-28 Riverside Santa Rosa Plateau 730 Comment
  UCR189791  Arctostaphylos rainbowensis Amy Rowland 2007-9-19 110 Riverside Peninsular Range; Santa Ana Mountains, San Mateo Canyon, by the Tenaja trailhead off Cleveland Forest Rd (west side, near restrooms). Found on on southwest side of trail 608 Comment
  RSA0048325  Arctostaphylos tomentosa Elliott Waite 1950-4-30 s.n. Riverside Vanderventer Flats. 1524 Comment
  JEPS44373  Arenaria macradenia var. macradenia Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4274 Riverside about 1 mi below junction with spur to Santa Rosa Springs; Santa Rosa Mountain road Comment
  UCR116786  Argemone munita A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24160 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
  UCR120662  Argemone munita D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1803 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  CAS-BOT-BC137664  Aristida adscensionis S. B. Parish 1912-10-8 8274 Riverside Salton Basin. New Schoolhouse, Indio. -6 Comment
  RSA704541  Aristida adscensionis LeRoy Gross 2005-3-3 1581 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SEINET206299  Aristida adscensionis R. Bacigalupi, P Hutchinson 1958-2-19 6188 Riverside Western base of the Big Maria Mountains 9.4 miles north of Blythe. 168 Comment
  UC165056  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside mouth of canyon near Mecca; Colorado Desert, Red Canyon Comment
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Nov 24 2011
  UCR180225  Aristida adscensionis Scott D. White, Pam Devries 2006-3-14 11251 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR23925  Aristida californica John C. Roos 1937-8-22 1209 Riverside Sonoran (Colorado) Desert, 7.5 miles NE of Desert Center 163 Comment
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Mar 26 2011
  GMDRC2038  Aristida californica var. californica J. Andre, T. La Doux 2006-4-11 6739 Riverside Pinto Basin: Pinto Basin: about 1 mi. N. of Pinto Basin Rd (paved) growing in the Sand Hill area, stabilized dunes. Elev. 1728 ft. 527 Comment
  CLARK-A1528-4478  Aristida parishii John C. Roos 1946-11-30 3162 Riverside Chuckwalla Mountains Comment
  JOTR29524  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  UCR26239  Aristida purpurea var. parishii John C. Roos 1948-5-15 3840 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  CAS-BOT-BC90106  Artemisia arbuscula subsp. arbuscula Louis B. Ziegler 1964-8-15 s.n. Riverside on an area of about 10 acres about 1 1/2 miles north of Kenworthy Ranger Station, Garner Valley, San Jacinto Mts. 1615 Comment
  SD67909  Artemisia dracunculus Reid Moran 1968-8-3 15351 Riverside open northeast slope, ridge 1 mile northwest of Toro Peak 2250 Comment
  SD48521  Artemisia ludoviciana subsp. albula E. K. Balls, P. C. Everett 1957-11-4 22747 Riverside Snow Creek, near old fish hatchery; north base San Jacinto Mountains. 700 Comment
  CAS-BOT-BC93480  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1097 Comment
  CAS-BOT-BC222818  Asclepias albicans Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13262 Riverside U. S. gypsum mine property in Little Maria Mts., 2 miles above Midland Post Office 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
  RSA714008  Asclepias californica Elbert Benjamine 1929-5-18 221 Riverside Mt. San Jacinto. 1524 Comment
  UCR137701  Asclepias californica D. L. Banks, V. W. Steinmann 1997-3-13 1491 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
  UC1245423  Asclepias erosa C. Ritchie Bell 1963-4-10 Riverside ca. 16 mi e Desert Center School (roadside of US 60-70) Comment
  SBBG46422  Asclepias subulata C. H. Muller 1952-5-21 9514 Riverside mouth of Morongo Cyn Comment
  POM153374  Aster frondosus Philip A. Munz, I. M. Johnston 1928-9-12 11246 Riverside North end of Lake Elsinore. Comment
  OBI35628  Astragalus coccineus Louis B. Ziegler 1969-4-20 337 Riverside Pinyon Flats-San Jacinto Mts 1250 Comment
  CAS-BOT-BC177726  Astragalus crotalariae John Thomas Howell 1928-3-25 3549 Riverside Indio, Coachella Valley, Colorado Desert Comment
  POM122253  Astragalus crotalariae Marcus E. Jones 1926-4-3 s.n. Riverside Indian Spring [Wells] Comment
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Sep 16 2011
  UCD84939  Astragalus didymocarpus var. dispermus Chuck Hughes 2010-3-23 211 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  OBI35666  Astragalus douglasii var. parishii Louis B. Ziegler 1972-5-15 460 Riverside San Jacinto Mts - Hemet (Garnder) Valley 1402 Comment
  RSA496121  Astragalus douglasii var. parishii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2998 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  SD111601  Astragalus douglasii var. parishii Wayne P. Armstrong 1982-6-19 Riverside Idyllwild County Park 1675 Comment
  UC314567  Astragalus douglasii var. parishii Marcus E. Jones, A. M. 1926-6-20 Riverside 12 mi n Idyllwild; n of Idyllwild Comment
  UCR35360  Astragalus filipes L. B. Ziegler 1972-5-17 456 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1418 Comment
  RSA557889  Astragalus gambelianus Steve Boyd, Orlando Mistretta 1992-4-22 7010 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
  SEINET898139  Astragalus lentiginosus H. M. Hall 1905-1 5757 Riverside Whitewater, on the Colorado Desert, Lower Sonoran Zone, 240 Comment
  RSA0014456  Astragalus lentiginosus var. coachellae Justin M. Wood, J. Miner 2010-4-29 1529 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UC73184  Astragalus lentiginosus var. coachellae M. F. Gilman 1904-1 47 Riverside Banning Banning (Southern California) Comment
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Mar 13 2011
  SEINET6180770  Astragalus mohavensis var. mohavensis C. L. Hitchcock 1940-4-3 5930 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument.; 0 Comment
  JOTR33732  Astragalus nuttallianus var. imperfectus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2732 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA27415  Astragalus nuttallianus var. imperfectus C. L. Hitchcock 1940-4-3 5935 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  OBI35667  Astragalus pachypus var. jaegeri Louis B. Ziegler 1968-3-27 268 Riverside Base of San Jacinto Mts. On Poppet Flats Rd Comment
  CLARK-A1045-132  Astragalus palmeri George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  JOTR16678  Astragalus palmeri Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK Comment
  RSA286552  Astragalus palmeri John F. Emmel 1979-9-12 693 Riverside SE end San Jacinto Mts. desert slope; South base of Sugarloaf Mtn., near SE end of Pinyon Flat. 1250 Comment
  RSA415401  Astragalus palmeri B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  RSA653227  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 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
  UCR92101  Astragalus pomonensis D. L. Banks, Steve Boyd 1995-6-2 579 Riverside Palomar Mtns., Cleveland National Forest, Agua Tibia Mountains, NE of the Dorland Mountain area, north of the Agua Tibia Wilderness Area, east of Kolb Creek. c. 100m east of junction between the Woodchuck Road and Hwy 79 512 Comment
  POM13789  Athysanus pusillus P. A. Munz 1922-4-29 5136 Riverside Tucalota Creek, S of Hemet Comment
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Sep 17 2011
  RSA586037  Athysanus pusillus D. L. Banks, S. D. Boyd 1995-3-16 89 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  UCR49224  Athysanus pusillus Steve Boyd 1986-4-2 1603 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA650426  Atriplex C. J. Humphrey, Herbert Humphrey 1935-6-7 394 Riverside 18 miles east of Riverside. 549 Comment
  POM13060  Atriplex canescens E. C. Jaeger 1921-7-15 s.n. Riverside Soboba Hot Springs Comment
  RSA0039848  Atriplex canescens Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC along Dos Palmas Road, between visitor parking and Dos Palmas well. Comment
  RSA451006  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1039 Riverside At junction of I-10 and Bob Hope Drive. Palm Springs. Comment
  SD40818  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  SEINET3930588  Atriplex canescens R. L. Piemeisel 1913-8-17 3645 Riverside Crestmore.; 0 Comment
  SEINET998491  Atriplex canescens A. C. Sanders 2005-1 29128 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass 7.5' Q) 168 Comment
  JOTR34468  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3157 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA760983  Atriplex canescens subsp. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 145 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  RSA791584  Atriplex canescens var. macilenta D. Silverman 2010-3-24 7827 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km southwest of Palen Dunes Dr., and 4.2 km north of Interstate 10. 128 Comment
  UCR274785  Atriplex canescens var. macilenta Stephanie Rockwood, Christi Gabriel 2011-10-18 125 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  SD87786  Atriplex hymenelytra F. W. Peirson 1924-12-30 5415 Riverside 1000 Palms Canon Comment
  SEINET3105989  Atriplex lentiformis subsp. lentiformis Sears 1978-4-12 1179 Riverside 8 mi. NE of Desert Center, beside roadside. 158 Comment
  UCSB1653  Atriplex polycarpa Ballard 1955-1-8 Riverside On road from Palm Springs to Cathedral City 182 Comment
  POM278972  Atriplex rosea Grant D. Brown 1950-12-2 587 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  SD162764  Atriplex semibaccata Virginia Moran 1999-2-9 Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development) Comment
  RSA532571  Atriplex serenana var. davidsonii D. Bramlet 1991-6-1 2188 Riverside 5.8 km W of Hemet and some 25 m SW of the intersection of Florida and Warren; 10 m from a disturbed area (parking) S of Florida. 500 Comment
  UCR104635  Atriplex suberecta D. E. Bramlet 1996-5-4 2461 Riverside Peninsular Range, Perris-Aguanga basin Region, San Jacinto Valley, San Jacinto Wildlife Area, 300m SW of Pond No. 1, and c. 1 km NE of the reserve entrance at Davis Road 433 Comment
  UCR201872  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR20743  Avena barbata A. C. Sanders, Steve Boyd 1980-5-2 1392 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  JOTR34407  Baccharis brachyphylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3094 Riverside Joshua Tree National Park. Cottonwood Mountains; near Wood Spring Comment
  RSA40607  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside Dry desert near Dos Palmos Spring, E of Asbestos Mountain. 1067 Comment
  RSA655084  Baccharis emoryi Scott D. White 1999-11-12 7630 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  SDSU13946  Baccharis emoryi Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2150 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR199915  Baccharis pilularis Scott D. White, Justin Wood 2007-10-3 11761 Riverside Southern Santa Ana Mountains, Site of proposed 'Liberty Quarry'. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line 579 Comment
  POM8302  Baccharis salicifolia Philip A. Munz, R. D. Harwood 1920-2-28 3245 Riverside 3 mi SW of Corona. 305 Comment
  RSA772526  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4432 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD40814  Baccharis salicifolia Carl B. Wolf 1932-10-11 4174 Riverside Little San Bernardino Mountains, Morongo Wash. 669 Comment
  UCR241253  Baccharis salicifolia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1205 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  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
  UC63381  Baccharis salicifolia subsp. salicifolia Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Comment
  CAS-BOT-BC540849  Baccharis sergiloides Sarah J. De Groot; Duncan S. Bell 2015-9-21 7583 Riverside Santa Rosa Mountains SSW of Palm Desert. Near Potrero Spring near head of Potrero Canyon, W of Dunn Rd, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  CAS-BOT-BC99872  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Canyon at Pinyon Well, Little San Bernardino Mts. (Conchilla Mts.) 1219 Comment
  CAS-BOT-BC99873  Baccharis sergiloides L. A. Greata 1904-9-1 s.n. Riverside Banning Comment
  UCR245801  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40963 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  POM4926  Bahiopsis parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  JEPS34796  Baileya pauciradiata L. M. Newlon 1922-4-8 423 Riverside e of Palm Springs Comment
  SD46162  Baileya pauciradiata Francia Chisaki, Howard Arnott and John Ingram 1955-4-18 631 Riverside 5.6 miles southeast of turn-off to Thousand Palms on Highway 60. Comment
  UCR33599  Baileya pauciradiata Faulkner 1978-4-28 529 Riverside Sonoran (Colorado) Desert, sand dunes 3 miles south of Rice 245 Comment
  POM350687  Baileya pleniradiata Christopher Davidson 1973-4-19 1989 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA0020374  Baileya pleniradiata Duncan S. Bell 2012-3-4 3133 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  POM21054  Bebbia juncea George Henry Grinnell 1928-7-25 s.n. Riverside San Jacinto Road Comment
  RSA696871  Bebbia juncea J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  UCR199615  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  LA203075  Bebbia juncea var. aspera Flora Murray Scott; 1928-3-24 sn Riverside Painted Canyon Comment
  SBBG119158  Bebbia juncea var. aspera V. Moran 2003-9-1 Riverside Wilson Valley Mitigation Bank (Center for Natural Lands Management), E of Sage Rd and S of Wilson Valley RdT7S R1E S33, SW/4 675 Comment
  SEINET3154481  Beloperone californica G. B. Grant 1996-5-1 101 Riverside on Colorado Desert at Palm Springs Comment
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Jul 4 2015
  UC1126277  Berberis aquifolium var. dictyota A. Lewis Mar 1934 323 Riverside Bedford Canyon; Corona Quadrangle, Cleveland Nat'l Forest Comment
  CLARK-A1528-5635  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  RSA479264  Bernardia incana Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  UC868545  Bernardia incana C. L. Hitchcock 1940-4-5 5967 Riverside 1/2 mi. above Cottonwood Springs (in canyon above Spring) Comment
  UCR122747  Bernardia myricifolia George K. Helmkamp, E. A. Helmkamp 1998-4-24 3386 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR23594  Bernardia myricifolia John C. Roos 1946-9-14 3024 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  JOTR30923  Boechera xylopoda La Doux, Tasha, Bill Truesdell 2008-4-29 2598 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  RSA0049952  Boerhavia intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. 114 Comment
  JOTR30751  Boerhavia triquetra La Doux, Tasha, Jim Andre 2007-9-6 134 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  POM246652  Boerhavia wrightii E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  UCR211503  Boerhavia wrightii Jim Andre, T. La Doux 2008-9-13 10275 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  RSA778511  Boerhavia wrightii Amber Swanson 2011-10-9 646 Riverside On both sides of Hwy I-10 btwn Desert Center and Hayfields exits. 234 Comment
  RSA192348  Boisduvalia densiflora H. A. Zuill 1966-7-26 298 Riverside About 7.5 miles SW of Murrieta. Comment
  CAS-BOT-BC75497  Bolboschoenus maritimus subsp. paludosus Scott D. White; Steve Ogg 1994-10-17 2501 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek. 320 Comment
  UCR130149  Bolboschoenus maritimus subsp. paludosus Carl Epling, Joseph A. Ewan 1933-1 s.n. Riverside South shore of Lake Elsinore 378 Comment
  UCR95731  Bolboschoenus maritimus subsp. paludosus D. L. Banks, Lauren Raz 1996-8-29 1143 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  CAS-BOT-BC145583  Bouteloua aristidoides Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9518 Riverside North edge of Pinto Basin 19 miles from Cottonwood Springs. Comment
  CLARK-A1528-4508  Bouteloua aristidoides John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  POM258909  Bouteloua aristidoides E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mountains. Alt. 1200 ft. 366 Comment
  UCR60926  Bouteloua aristidoides Steve Boyd, Orlando Mistretta 1986-3-13 1421 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCSB51393  Bouteloua aristidoides Roos, John 1946-9-14 Riverside Pinyon Flats, Santa Rosa Mtns 1219 Comment
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Apr 3 2011
  UCSB51403  Bouteloua aristidoides John C. Roos 1946-9-14 3026 Riverside collected in in the Inyon Flats, in the Santa Rosa Mountains Pinyon Flats 1219 Comment
  UC677603  Bouteloua aristidoides var. aristidoides A. A. Beetle 1942-4-23 3189 Riverside banks of river 24 mi n Blythe; Colorado River Comment
  SEINET4565925  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  RSA613130  Bowlesia incana D. L. Banks 1997-3-6 1399 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR172208  Bowlesia incana John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  UCR207518  Bowlesia incana O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  SD181775  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. On roadside. 334 Comment
  JOTR35012  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  UC1922906  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just East of Coachella Canal. (Thermal Canyon) Comment
  RSA0017413  Brandegea bigelovii Marcus E. Jones 1931-9-15 s.n. Riverside Hayfields. No. Colorado Desert. Comment
  RSA0045157  Brassica geniculata Andrew Haimov, April Sleigh 1992-5-7 81 Riverside West side of Davis Road, 2 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA657173  Brassica nigra Bob Rogers 1984-4-21 16 Riverside collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy. 74. 915 Comment
  CLARK-A1528-2426  Brassica tournefortii Charles S. Papp 1964-5-22 470 Riverside Riverside Comment
  RSA0041948  Brassica tournefortii Duncan S. Bell, Loraine Washburn 2014-4-8 6588 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UCR43491  Brickellia arguta R. F. Thorne, W. A. Tilforth 1980-5-28 54208 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  UCR215448  Brickellia arguta var. arguta Tasha La Doux, Jim Andre 2008-9-16 334 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  SD132266  Brickellia californica Scott White 1990-10-2 Riverside Vail Lake Area: Highway 79, immediately west of Dripping Springs Guard Station 490 Comment
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Dec 21 2010
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  SBBG88694  Brickellia incana K. K. Muller 1971-11-7 2983 Riverside just S of US Hwy 60, opposite S entrance to Joshua Tree Nat Monument Comment
  UCR19256  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  SBBG101687  Brickellia oblongifolia var. linifolia S. Boyd with T. Ross 1991-6-8 6325 Riverside Pinyon Flat at jct of Santa Rosa Mtn Rd and St Hwy 74 1400 Comment
  RSA367529  Brodiaea Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA70127  Brodiaea filifolia F. W. Peirson 1922-5-19 3070 Riverside 2 miles southeast of Perris Comment
  CAS-BOT-BC149443  Bromus berteroanus John Roos; Lucille Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon south of Palm Springs. 274 Comment
  POM259175  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-13 15319 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA612806  Bromus diandrus D. L. Banks 1997-3-1 1363 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA495792  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2899 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  HSC79575  Bromus madritensis subsp. rubens Paul Bailey 1972-5-14 120 Riverside 5 mi. NE of Temecula near Rancho Calif. Dr., Tucalota Hills 457 Comment
  UC1131209  Bromus madritensis subsp. rubens A. Lewis Mar 1933 178 Riverside 2 1/2 mi s of Horseshoe Lake ((also found on Gavilon Peak)) 152 Comment
  RSA612783  Bromus rubens D. L. Banks, Victor Steinmann 1997-3-13 1419 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA771737  Bromus rubens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4783 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG497  Bromus rubens C. H. Muller 1952-4-5 9489 Riverside White Water Cyn, 1 mi above White Water Comment
  RSA583754  Bromus tectorum Steve Boyd 1995-4-24 8477 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
  UCR126328  Caesalpinia gilliesii Mitch Provance 1998-7-23 906 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  RSA517252  Caesalpinia virgata Steve Boyd 1986-2-18 1322 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UC1128934  Caesalpinia virgata H. S. Yates 1936-4-7 5447 Riverside 8 mi. n. Mecca; Thermal Quad. Comment
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Dec 24 2010
  UCR86211  Caesalpinia virgata A. C. Sanders 1995-5-23 17113 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  RSA466560  Calandrinia ciliata Ora M. Clark 1929-3-2 1610 Riverside Near Elsinore. Comment
  RSA234099  Callitriche heterophylla subsp. bolanderi R. F. Thorne, E. W. Lathrop 1969-6-6 39341 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  POM248021  Callitriche marginata P. A. Munz 1941-3-18 16658 Riverside North end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  MACF019487  Calocedrus decurrens Trudy R. Ericson 1974-11-9 265 Riverside St. 243 from Banning to Idyllwild about 1 mi. south of intersection of St. 243 and Vista Grande Road. 1645 Comment
  UC215291  Calocedrus decurrens Geo. B. Grant 1901-8-1 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley Comment
  UCD132935  Calocedrus decurrens Lionel A. Stange 1956-5-13 s.n. Riverside San Jacinto Mountains, Dark Canyon campground. Comment
  UC218104  Calochortus invenustus P. A. Munz 1922-6-27 5856 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  RSA783083  Calochortus nuttallii J. D. Olmsted 1959-7-7 743 Riverside Tahquitz Creek. Tahquitz Valley ENE of Idyllwild. 2378 Comment
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Oct 18 2012
  CAS-BOT-BC132463  Calochortus plummerae Carl B. Wolf 1932-5-25 3696 Riverside [Bad Lands] Badlands, SW. of Beaumont, 1 1/2 mi. SW. of summit of Moreno Grade 548 Comment
  UCR121085  Calochortus plummerae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24962 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA501004  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3122 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA360017  Calochortus weedii Gale Sphon 1955-6-23 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA689609  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-27 9412 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UC963833  Calycoseris wrightii Helen K. Sharsmith 1952-4-11 4064 Riverside 7 mi s of Highway 60-70 (nw base of Chuckawalla Mountains); Colorado Desert, Chuckawalla Mountains 533 Comment
  UCR26223  Calyptridium monandrum John C. Roos 1947-3-15 3329 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  UCR20549  Calystegia fulcrata W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  UCR213495  Calystegia macrostegia subsp. arida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38408 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 491 Comment
  RSA614702  Calystegia macrostegia subsp. intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1327 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  SDSU14018  Calystegia macrostegia subsp. tenuifolia Jonathan S. Austin, Michael G. Simpson 2002-4-20 13 Riverside Along northeastern part of Loop trail, north side of road. Santa Margarita Ecological Reserve. 339 Comment
  JEPS23449  Camissonia W. L. Jepson 1928-4-25 12610 Riverside n Mecca; Colorado Desert, Cottonwood Spr. 701 Comment
  UC1184251  Camissonia Peter H. Raven 1958-2-15 11583 Riverside roadside embankment at turn to Corn Springs base of Chuckawalla Mountains Comment
  UCR241182  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 10 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  CLARK-A1528-652  Camissonia bistorta Charlotte Stocks 1964-5-15 Riverside Warner Hot Springs 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
  UCR154975  Camissonia bistorta A. C. Sanders, Kelly Volansky 2005-3-17 29219 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
  UCR226057  Camissonia bistorta A. C. Sanders, Nathan Moorhatch 2011-3-22 38774 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  RSA727394  Camissonia boothii Naomi S. Fraga, Lisa Rojas 2005-2-10 1396 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCR88112  Camissonia boothii A. C. Sanders, G. Nuhn 1995-4-20 16589 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
  RSA465967  Camissonia boothii var. condensata E. C. Jaeger 1922-3-29 s.n. Riverside Chuckwalla Valley. 671 Comment
  POM6771  Camissonia californica P. A. Munz 1919-5-7 2739 Riverside Colorado Desert, Tahquitz Canyon 229 Comment
  RSA162842  Camissonia californica J. D. Olmsted 1959-4-10 347 Riverside Along Hwy 60-99 near Cabazon, San Gorgonio Pass, Whitewater River. 671 Comment
  RSA466162  Camissonia californica E. Crow 1929-4-21 339 Riverside North of Alberhill. Comment
  RSA466172  Camissonia californica M. B. Dunkle 1933-3-4 3064 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SEINET3259929 Image available Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto. Comment
  RSA454740  Camissonia cardiophylla N. C. Cooper 1944-5-20 2630 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  RSA135283  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11746 Riverside Colorado Desert, US Highway 95, 8.6 miles N of Blythe. Comment
  RSA448933  Camissonia claviformis subsp. aurantiaca Robert L. Dressler 1949-3-19 395 Riverside Box Canyon, Orocopia Mts. Comment
  RSA777757  Camissonia claviformis subsp. aurantiaca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1078 Riverside Shavers Well area of Mecca Hills 305 Comment
  UCR51963  Camissonia claviformis subsp. aurantiaca Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2115 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA771117  Camissonia confusa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4925 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR42445  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA448991  Camissonia hirtella N. C. Cooper 1944-6-4 1375 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA339675  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1980-5-28 54218 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA75435  Camissonia pallida subsp. pallida F. W. Peirson 1919-4-13 786 Riverside Tahquitz Canyon stream, near Palm Springs. Comment
  UCR228167  Camissonia refracta Dave Silverman, Mark Bibbo 2010-3-31 7894 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km ENE of McCoy Pk. 177 Comment
  UCR92486  Camissonia refracta George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  CLARK-A1528-3361  Camissonia strigulosa John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  POM20022  Camissonia strigulosa Mary F. Spencer 1923-06 2201 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  UC1979635  Camissonia strigulosa D. L Banks, Steve Boyd 1995-5-3 0196 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR152525  Camissonia strigulosa A. C. Sanders 2005-4-22 29613 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  SD133052  Camissoniopsis bistorta Scott White 1991-5-10 91 145 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UC1595618  Camissoniopsis hirtella Steve Boyd 1991-5-20 6271 Riverside nw Lake Elsinore (just inside Nat. For. boundary); Santa Ana Mountains, Cleveland Nat. For., Lower Rice Cyn 573 Comment
  JOTR33954  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2840 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  UCR272456  Camissoniopsis pallida subsp. pallida Cheryl Sevilla, Sarah J. De Groot 2015-2-18 015 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  UCR92446  Capsella bursa-pastoris A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18108 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 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
  UCR125999  Cardaria draba Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  SEINET238999  Carduus pycnocephalus Unknown 1972-5-11 Riverside Box Springs Mtns.: Highgrove National Orange Co. property beyond E end of Palmyrita Ave. (San Bernardino South 7.5' Q.) 412 Comment
  UCR109623  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1972-5-11 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  UCR27268  Carex athrostachya A. C. Sanders 1980-8-23 1764 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR187491  Carex barbarae Diane Menuz, Theresa Johnson 2006-9-20 245 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, Temecula Canyon, hike up the river from the southern entrance, SE foot of Gavilan Mtn. 164 Comment
  UCR92649  Carex barbarae F. M. Reed 1930-3-7 6770 Riverside San Jacinto Mountains, cienega in Indian [Creek] Canyon, NE of San Jacinto. 762 Comment
  CAS-BOT-BC20701  Carex fracta C. Epling; Wm. Robison 1935-6-29 s.n. Riverside Mt San Jacinto. Marion Peak. Comment
  CAS-BOT-BC20710  Carex fracta D. E. Breedlove 1961-7-29 871 Riverside San Jacinto Mountains. Fuller Mill Creek where it crosses Riverside Highway #1. 1645 Comment
  UC729544  Carex fracta Carl B. Wolf 1932-5-24 3653 Riverside Snow Creek Canyon, 1 mi above fish hatchery San Jacinto Mountains, N base 792 Comment
  UCSB18914  Carex multicaulis Keefe, Joseph 1965-5-18 Riverside Fuller Mill Creek Public Campground; north of Idyllwild 1524 Comment
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Jun 15 2013
  UC72391  Carex multicostata H. M. Hall 1901-7 2492 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  UC837261  Carex nebrascensis P. A. Munz 1922-7-7 6047 Riverside Round Valley San Jacinto Mts. 2743 Comment
  UCR264641  Carex praegracilis Mitch Provance 2013-4-8 413- 01 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CHSC106610  Carex senta P. F. Zika; Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  CAS-BOT-BC115976  Carex subfusca A. C. Sanders; S. Boyd 1980-5-19 1502 Riverside San Jacinto Mtns. Garner Valley. Growing beside Herkey Creek where it crosses the road 1325 Comment
  SD181801  Carex triquetra Scott D. White, Teresa Salvato 2001-6-8 8585 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 334 Comment
  UCR41641  Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6041 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA523540  Castilleja affinis subsp. affinis Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4000 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM71674  Castilleja applegatei subsp. martinii Philip A. Munz, I. M. Johnston 1924-7-27 8726 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA448691  Castilleja applegatei subsp. martinii Lon E. Bell 1940-05 s.n. Riverside San Jacitno Comment
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Feb 15 2013
  RSA793014  Castilleja exserta Justin M. Wood 2011-4-4 3402 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR178851  Castilleja exserta Mitch Provance, Tracy Tennant 1998-6-16 MOR- 396 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  SD137616  Castilleja exserta subsp. exserta Darin L. Banks 1995-5-9 379 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of the Woodchuck Campground 701 Comment
  SEINET6985158  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and about 5 miles southeast of Lake Matthews. Comment
  UCR121243  Castilleja foliolosa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2264 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UC26456  Castilleja miniata H. M. Hall Jul 1901 2373 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1645 Comment
  RSA526169  Castilleja minor subsp. spiralis Steve D. Boyd, Tim S. Ross 1990-5-11 4672 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SD4814  Castilleja minor subsp. spiralis Evelyn Gray, Mrs. John Frederick Gray 1925-5-8 Riverside Campo to Comment
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Feb 8 2013
  RSA531107  Caulanthus cooperi M. B. Dunkle 1937-3-25 4956 Riverside East of Indio, Colorado Desert. Comment
  CAS-BOT-BC41091  Caulanthus hallii Philip A. Munz 1937-5-30 15093 Riverside Northwest slope of Santa Rosa Mountains. 1828 Comment
  UCR4418  Caulanthus hallii Frank C. Vasek 1960-3-24 600324- 26 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  CAS-BOT-BC41140  Caulanthus heterophyllus Scott D. White; Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin. Hills to the west of I-215 and south of Scott Road. 549 Comment
  UCR43285  Caulanthus heterophyllus L. F. Lapre 1986-4-17 s.n. Riverside Gavilan Hills, Bull [Toro] Canyon 579 Comment
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Mar 25 2013
  UCR60251  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3165 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCR68333  Caulanthus heterophyllus R. Montijo 1991-4-18 91- 2 Riverside Peninsular Range, south of Lake Matthews, Ona Knoll Dr. c. 1 mi south of Cajalco Rd. 640 Comment
  UCR279356  Caulanthus lasiophyllus A. C. Sanders, Jim Malusa 2017-3-23 42920 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  CHSC36013  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  UCR27052  Caulanthus simulans L. F. LaPre, S. Boyd 1982-4-29 s.n. Riverside Peninsular Range, Road S3, 5 mi south of Sage 701 Comment
  RSA0026296  Caulanthus simulans John F. Emmel 1991-4-28 1166 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  CAS-BOT-BC48454  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  OBI20188  Ceanothus crassifolius David J. Keil, Malcolm McLeod 1979-3-18 12975 Riverside 1/2 m W of jctn with Riverside cnty rd R-3 along Calif 79 549 Comment
  RSA620362  Ceanothus crassifolius A. C. Sanders 1997-3-1 19728 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeon Pass Rd., 0.4 mi. E of Bench Mark 'Table' 610 Comment
  UCR187466  Ceanothus crassifolius Diane Menuz 2006-3-16 005 Riverside Peninsular Range; Agua Tibia Mtns., Agua Tibia Wilderness, Cleveland National Forest, Dripping Springs Campground off Hwy 79, between parking lot and slopes beyond helipad past upper camping area 518 Comment
  UCSB41256  Ceanothus crassifolius Cowan, Clark 1978-4-25 Riverside 6.7mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. F.; Whittaker transect #W-229. Comment
  LA42002  Ceanothus cuneatus W. E. Pequegnat; 1939-4-8 50 Riverside Mira Loma Comment
  RSA741436  Ceanothus cuneatus Scott D. White, Justin M. Wood 2008-6-18 12251 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA5478  Ceanothus greggii var. perplexans Carl B. Wolf 1932-5-24 3655 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  POM254881  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA399316  Ceanothus leucodermis Gale Sphon 1955-5-21 s.n. Riverside 5 mi. S of Lake Fulmore. Comment
  UCR166154  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 560 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR182565  Ceanothus leucodermis Andrea Salzman 2006-5-16 115 Riverside Peninsular Range, Silverado site, Durasno Valley 1346 Comment
  UCR59767  Ceanothus leucodermis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  HSC84007  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail 473 Comment
  RSA570224  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7893 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  SD130891  Ceanothus ophiochilus Chris Frazier 1991-3-22 Riverside 1 mile west of Vail Lake Comment
  SD229242  Ceanothus palmeri Dick Schwenkmeyer 2012-4-17 692 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR131678  Ceanothus palmeri C. B. Wolf 1941-8-12 11142 Riverside San Jacinto Mtns., 3.5 miles NW of Idyllwild on Dark Canyon Road 1829 Comment
  UCR163402  Ceanothus perplexans O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA0050342  Ceanothus tomentosus W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
  SDSU13922  Ceanothus tomentosus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2154 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  RSA180281  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1965-3-30 5592 Riverside 16 miles west of Murrieta. Comment
  SBBG34205  Ceanothus vestitus T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  UCR170097  Cenchrus ciliaris John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  UCR156085  Centaurea melitensis T. B. Salvato, Kent Beaman 2005-5-16 809 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
  SEINET10910151  Centaurium J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12851 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
  RSA588599  Centaurium venustum D. L. Banks, Steve D. Boyd 1995-10-17 810 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. 524 Comment
  SEINET7067556  Centaurium venustum A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  CAS-BOT-BC226945  Centromadia pungens subsp. laevis A. C. Sanders; John F. Green 2012-5-27 40218 Riverside Peninsular Range; Perris-Aguanga Basin Region: Lake Elsinore, SE of Riverside Dr. (Hwy 74) on NE side of Pasadena Ave., NW of Central Ave. 386 Comment
  RSA767270  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UC1792827  Centromadia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2004-4-2 27426 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side just north of Rose Rd. 463 Comment
  CHSC26365  Centrostegia thurberi James Henrickson 1971-5-29 5573 Riverside 15 mi. SW of Twentynine Palms, 2 1/2 mi. N. of Salton View in Joshua Tree Nat'l Monument. 1280 Comment
  RSA612683  Cerastium glomeratum D. L. Banks 1997-3-29 1615 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
  UCR15890  Cerastium glomeratum Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Peninsular Range, Sandia Canyon Road about 2 mi from [SW of] Washington Street. Near Murrieta. 457 Comment
  POM46965  Cercidium floridum Mary F. Spencer 1918-3-27 755 Riverside Palm Springs. 137 Comment
  RSA5170  Cercidium floridum C. B. Wolf 1932-4-26 2981 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  UC472708  Cercidium floridum subsp. floridum M. F. Spencer 1918-4-1 Riverside Palm Springs Colorado Desert Comment
  LA47736  Cercocarpus betuloides Elizabeth McClintock; 1936-7-19 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA296123  Cercocarpus betuloides Barry A. Prigge 1980-8-11 3899 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  RSA772862  Cercocarpus betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4816 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
  CAS-BOT-BC135452  Cercocarpus betuloides var. betuloides H. E. McMinn 1925-7-2 1510 Riverside Tahquitz Trail to Tahquitz Pk. - San Jacinto Mts. Comment
  CAS-BOT-BC135493  Cercocarpus betuloides var. betuloides James R. Shevock 1976-11-24 5384 Riverside Along Calif. Highway 74 near El Cariso Station - Santa Ana Mountains, Cleveland National Forest 670 Comment
  RSA773041  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5040 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
  UCR150010  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR269868  Chaenactis carphoclinia A. C. Sanders, Jim Malusa 2016-3-18 42366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  POM351702  Chaenactis fremontii Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  RSA783825  Chaenactis fremontii J. D. Olmsted 1959-4-10 350 Riverside Along Hwy 60-99 near Cabazon, San Gorgonio Pass, Whitewater River. 671 Comment
  SEINET2049106 Image available Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mstns. Dillon Road and 1000 Palms Oasis Rd Jct. S of Joshua Tree National Park, parallel to I-10. 5 mi. E of Jct dillon Rd. and Fargo Cyn Rd. Near small hill with blow sand on top 2000'. 244 Comment
  UC1518618  Chaenactis fremontii Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55440 Riverside e of, at s end of ridge Whitewater Post Office (e of bridge, and on base of w-facing slope of ridge); San Bernardino Mts., Mouth of Whitewater Canyon 411 Comment
  UC472223  Chaenactis fremontii E. E. Schellenger 1911-4-25 Riverside Colorado Desert Comment
  UC61701  Chaenactis fremontii L. D. Copeland 1904-4-30 Riverside West Canon Palm Springs, West Canon Comment
  UCR132866  Chaenactis fremontii Kent Beaman 1983-4-2 02 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  UCR49242  Chaenactis glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CAS-BOT-BC277402  Chaenactis glabriuscula var. glabriuscula Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  POM351763  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-3-25 1029 Riverside Cabazon. 457 Comment
  RSA586326  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC31038  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2056 Riverside vicinity of Chalk Hill; San Jacinto Mountains, Chalk Hill 1524 Comment
  UCD130378  Chaenactis glabriuscula var. glabriuscula Geoffrey Levin 1975-4-26 476 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  CAS-BOT-BC277551  Chaenactis glabriuscula var. lanosa A. G. Vestal 1929-3-28 s.n. Riverside Near Banning Comment
  CAS-BOT-BC284346  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Unspecified Comment
  RSA0108934  Chaenactis stevioides Duncan S. Bell, Amanda Bell 2012-1-28 3076 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  RSA559924  Chaenactis stevioides var. stevioides Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6913 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA778324  Chamaesyce Amber Swanson 2011-10-9 653 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  JEPS48830  Chamaesyce albomarginata Marjorie D. Clary 1932-5-26 942 -A Riverside Hexie Mtn, Pleasant Valley Comment
  JOTR16668  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  POM253441  Chamaesyce micromera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA605743  Chamaesyce nutans A. C. Sanders, G. K. Helmkamp 1996-3-17 17976 Riverside Coachella Valley: North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave. 250 Comment
  RSA689556  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-4-25 9126 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
  RSA763995  Chamaesyce polycarpa Justin M. Wood, Dustin M. Ray 2010-10-21 3004 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UC218620  Cheilanthes clevelandii S. B. Parish 1918-4-3 11690 Riverside mouth of San Jacinto River Canyon 914 Comment
  UCD169089  Cheilanthes clevelandii A. C. Sanders; Mitch Provance, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 915 Comment
  POM11987  Cheilanthes covillei E. C. Jaeger 1922-8-20 1006 Riverside Long Valley to Palm Springs 2133 Comment
  POM885  Cheilanthes parryi Anonymous 1904-1 s.n. Riverside Chino Canyon, Palm Springs Comment
  SEINET3870277  Cheilanthes parryi Louis C. Wheeler 1964-10-17 8638 Riverside Orocopia Mountains: South of Hayfield Reservoir (lake) Colorado Desert.; 0 Comment
  UC218643  Cheilanthes parryi S. B. Parish 1919-3-27 19191 Riverside West Canyon Palm Springs; Colorado Desert Comment
  UCSB44681  Cheilanthes parryi Hibbard, Doug 1977-5-15 Riverside Up wash from Hwy 74, 8.45mi from its intersection with Hwy 111 679 Comment
  UC218683  Cheilanthes viscida P. A. Munz 1922-3-12 4706 Riverside Andreas Canyon Palm Springs Comment
  RSA478503  Chenopodium californicum George R. Johnstone 1934-3-27 s.n. Riverside Near Temecula, along inland route. Comment
  UCR241920  Chenopodium californicum A. C. Sanders, Timothy W. Chumley 2013-3-28 40700 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  RSA614714  Chenopodium ficifolium George K. Helmkamp 1997-2-1 1292 Riverside Industrial area in Coachella at 54th and Enterprise, ca 2 blocks E of Hwy CA-111., (33 39.4'N, 116 8.9'W). [UTM 10 km cell: NH-7E, 2N. Coachella] 0 Comment
  UCR102913  Chenopodium serotinum George K. Helmkamp 1997-2-1 1292 Riverside Sonoran (Colorado) Desert, Industrial area in Coachella at 54th and Enterprise, c. 2 blocks east of Calif. Hwy 111 .3 Comment
  RSA455311  Chilopsis linearis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass. Comment
  CAS-BOT-BC451474  Chimaphila umbellata P. A. Munz 1922-7-7 6055 Riverside North fork of Tahquitz Creek 2133 Comment
  CAS-BOT-BC518751  Chloris truncata R. E. Riefner, Jr. 2016-3-22 16 -69 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  UCR87629  Chlorogalum pomeridianum A. C. Sanders 1994-5-30 14590 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA777390  Chorizanthe brevicornu Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 794 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SD21515  Chorizanthe brevicornu var. brevicornu Frank F. Gander 1938-5-21 5758 Riverside Shaver's Summit Comment
  UCR116990  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC1287109  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside along road to Blythe 20 mi n Ogilby; n of Ogilby Comment
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Mar 2 2013
  RSA228825  Chorizanthe fimbriata C. W. Tilforth 1969-7-27 229 Riverside Along State Hiway 74, 9.4 west of jct. with Grand Ave., Lake Elsinore. Comment
  RSA68300  Chorizanthe fimbriata var. fimbriata Verne Grant, Alva Grant 1951-6-4 16014 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  CAS-BOT-BC191343  Chorizanthe leptotheca Chris E. True; Robert Cox 1989-4-29 10150 Riverside San Jacinto Mtns.Foothills: along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles E of Fairview Ave., N of highway and S of San Jacinto River, near mouth of Bee Canyon 610 Comment
  SEINET7249062  Chorizanthe leptotheca Lee A. Ripma 2008-1 Riverside Comment
  UCR55275  Chorizanthe leptotheca Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  RSA532561  Chorizanthe parryi var. parryi D. E. Bramlet 1991-5-9 2133 Riverside North Domenigoni Hills, 1 km. SE of the end of Warren Rd. In a saddle between Peak 733 m. Sec 31(west) and 728 in Sec. 30 (east). The population is found some 167 m. E of an existing dirt road. Comment
  SD247476  Chorizanthe parryi var. parryi Andy Sanders, J. Schweitzer, K. Young 2015-3-24 41473 Riverside San Gorgonio Pass: north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 miles ENE (77 degrees) of water bottling plant, north edge of wind farm. 451 Comment
  UCR80512  Chorizanthe parryi var. parryi D. E. Bramlet 1991-5-3 2115 Riverside Small ridge of a steep canyon between Diamond and Crown Valleys, 1100 m south of Diamond Valley. Site located on a S-tending ridge 76 m north of a blue line stream, 300 m west of Rawson Rd 580 Comment
  LA84233  Chorizanthe xanti O. H. Kappler; 1948-4-18 1650 Riverside Whitewater, western Colorado Desert 548 Comment
  CAS-BOT-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  RSA40319  Chrysothamnus paniculatus L. S. Rose 1945-12-25 45323 Riverside 4 miles N of Palm Springs. Comment
  SEINET7883465 Image available Chrysothamnus paniculatus Lewis S. Rose 1946-1 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass. 0 Comment
  SBBG27012  Chylismia brevipes K. K. Muller 1967-3-21 1385 Riverside mouth of small arroyo in Orocopia Mtns opposiye S entrance to Joshua Tree Nat Monument Comment
  UCSB30314  Chylismia brevipes Sauls, Mary 1977-2-27 Riverside Upper bajada, Box Canyon wash ca. 5 mi W of junction of Interstate 10 and Hwy 195 365 Comment
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Nov 16 2015
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  CAS-BOT-BC160581  Chylismia claviformis subsp. aurantiaca Barry Prigge; L. Martinez 1978-3-23 2402 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  UC1602062  Chylismia claviformis subsp. aurantiaca H. Lewis 1952-4-5 Riverside rd to 29 Palms 1 mi s road to Desert Hot Springs Comment
  UC68521  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5835 Riverside near Mecca; Colorado Desert -30 Comment
  SBBG61420  Chylismia walkeri subsp. tortilis M. N. Ackley -Mar-1928 762 Riverside between Indio and Palm Springs 60 Comment
  UCR276075  Cirsium occidentale T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3800 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  RSA740946  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2008-6-17 12181 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC286461  Cirsium scariosum Cecil Hart 1922-5-21 26 Riverside San Jacinto Mt. Comment
  RSA438786  Cirsium scariosum Anstruther Davidson 1903-4-1 s.n. Riverside Palm Springs. Comment
  RSA778392  Cistanthe ambigua Amber Swanson, Linda Jean Foster 2011-10-8 642 Riverside Large wash off Blythe Rice Rd 270 Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UC1532828  Clarkia purpurea Robert F. Thorne, Earl Lathrop 1975-5-25 45559 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  UCR127552  Clarkia purpurea A. C. Sanders, T. B. Salvato 2003-5-21 26800 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR80803  Clarkia purpurea subsp. quadrivulnera Scott D. White 1993-5-29 1460 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR7738  Clarkia similis Tony Beck 1968-5-11 680511- 01 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi. north of Johnson Ranch near Redonda Mesa, near summit of road. 854 Comment
  SD241155  Claytonia parviflora A. C. Sanders 2010-4-23 37992 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Road at intersection with Murrieta Road (Romoland 7.5'Q) 518 Comment
  UCR91429  Claytonia parviflora subsp. parviflora Scott D. White 1995-3-30 2650 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
  UCR121659  Claytonia parviflora subsp. viridis A. C. Sanders 1997-3-19 20020 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  RSA747517  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UCR213349  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  SBBG6850  Collinsia bartsiifolia var. davidsonii H. and M. Dearing 1939-4-6 3098 Riverside near Aguanga Comment
  JEPS24218  Collinsia concolor Peter H. Raven 1958-5-18 13004 Riverside Pinyon Flats San Jacinto Mountains (near stream) Comment
  POM128665  Collinsia concolor E. C. Jaeger 1925-5-1 s.n. Riverside Dripping Spring near Temecula. Comment
  RSA487448  Collinsia concolor Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  HSC27841  Condalia globosa var. pubescens Richard Spjut 1973-5-3 3344 Riverside Colorado Desert, canyon in Chuckawalla Mtns. NW of Corn Springs 610 Comment
  SBBG87474  Condalia globosa var. pubescens A. C. Sanders 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mtns 9 mi S of Interstate 10 on the gasline rd, 2 mi airline S of the Model Mine 579 Comment
  SD239711  Convolvulus simulans John F. Green 2008-4-17 408 28 Riverside Peninsular Range: Perris-Aguanga Valley; powerline route south of Perris, near McLaughlin Road, between Murrieta Road and Goetz Road (Romoland 7.5'Q) 441 Comment
  RSA619541  Conyza bonariensis D. L. Banks 1997-5-5 1990 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR90369  Conyza bonariensis Scott D. White 1995-6-30 3426 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR54452  Cordylanthus rigidus A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  JOTR29264  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  CAS-BOT-BC101308  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  POM10303  Corethrogyne filaginifolia F. M. Reed 1907-10-20 1980 Riverside Columbia Ave, near Spanishtown Road Comment
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Nov 30 2009
  SD229082  Corethrogyne filaginifolia Dick Schwenkmeyer 2011-8-25 656 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UC31266  Corethrogyne filaginifolia H. M. Hall 1901-7-26 2530 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  RSA0042780  Cornus nuttallii A. Lee Haines 1951-5-19 s.n. Riverside Dark Canyon, San Jacinto Mt. 1981 Comment
  RSA281246  Coryphantha alversonii H. G. Rush 1951-6-6 185 Riverside 35 miles north of Blythe on Hwy 95 76 Comment
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Jan 23 2012
  RSA757466  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55210 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCD101837  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR139159  Crassula connata S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR174942  Crassula connata Jennifer H. Jones, Toby Bartels 2006-4-23 282 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  RSA357129  Cressa truxillensis R. F. Thorne, P. A. Munz, Earl Lathrop, K. Thorne 1968-5-8 37610 Riverside Lake Elsinore: Alkaline flats behind levee at SE end of Lake Elsinore, ca. 1 mi. S of Elsinore. Comment
  UC129846  Crocanthemum scoparium var. vulgare Charlotte M. Wilder May 1908 892 Riverside Wilders' Jurupa Hills Comment
  NY268564  Crossosoma bigelovii P. A. Munz 1952-5-2 16235 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457.2 Comment
  POM153341  Crossosoma bigelovii Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  RSA124432  Crossosoma bigelovii Percy C. Everett, E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  UC1179537  Crossosoma bigelovii Jane Turner 1959-3-21 75 Riverside 8 mi n United States Highway 99 (along road to Morongo Valley); Morongo Wash Comment
  RSA480584  Croton californicus Elbert Benjamine 1929-4-7 121 Riverside San Gorgonio Pass. Comment
  RSA772018  Croton californicus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4952 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
  SEINET9252945 Image available Croton californicus David Keil 1976-12-12 11911 Riverside ca 5 mi E of Indio along I-10 Comment
  UC1329962  Croton californicus James E. Cole 1941-4-13 561 Riverside 0.5 mi n Meek's Cabin; Joshua Tree National Monument, Pinto Pass Comment
  UCR16191  Croton californicus S. M. Chambers 1970-4-11 2 Riverside Western Colorado Desert, 100 yds NW of Sunrise and Alejo Rd., Palm Springs 140 Comment
  SEINET9252933 Image available Croton californicus var. mohavensis Scott D. White 2001-4-18 8352 Riverside Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive; 33.85833 -116.525 152 Comment
  UCR89650  Crypsis schoenoides Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SDSU5406  Cryptantha H. Wedberg 1962-4-20 909 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  POM13260  Cryptantha angustifolia E. C. Jaeger 1922-3-4 1110 Riverside Palm Springs. Comment
  POM13896  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-8 4744 Riverside 1/2 miles E of Indio. -9 Comment
  POM305859  Cryptantha angustifolia Henry J. Ramsey, Henry J. Ramsey 1939-11-28 1161 Riverside 10 miles east of Indio. Comment
  SBBG25605  Cryptantha angustifolia E. R. Blakley 1966-4-9 6756 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  SD244094  Cryptantha angustifolia Dave Silverman, A. C. Sanders 2010-3-23 7818 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 kmn SW of Palen Dunes Drive, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well. 130 Comment
  UC1563071  Cryptantha angustifolia Steve Boyd and Orlando Mistretta 1986-3-13 1438 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UC729732  Cryptantha angustifolia Carl B. Wolf 1932-4-27 Riverside 17 mi e Mecca; Colorado Desert 152 Comment
  UCR108712  Cryptantha angustifolia Scott D. White, Pam DeVries 1998-2-9 6082 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCSB5589  Cryptantha angustifolia Krogen, Roger 1957-1 Riverside 26 mi. E of Indo on Hwy 60-70, near S entrance to Joshua Tree Nat. Park Comment
  RSA339338  Cryptantha barbigera R. F. Thorne, C. W. Tilforth 1980-5-28 54192 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA678229  Cryptantha barbigera Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1098 Riverside Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. 396 Comment
  RSA79596  Cryptantha barbigera F. W. Peirson 1928-3-10 7710 Riverside Near Hidden Spring, N of Salton Sea, Riverside County. Comment
  SBBG6244  Cryptantha barbigera H. and M. Dearing 1942-3-1 4805 Riverside near Cathedral City Comment
  UC1178556  Cryptantha barbigera Peter Kamb 1948-4-11 880 Riverside e of Garnet (aqueduct road); Coachella 304 Comment
  UCR130120  Cryptantha barbigera Scott D. White 2001-4-3 8273 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
  UCR132755  Cryptantha barbigera George K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR20838  Cryptantha barbigera A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1305 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
  UCR30072  Cryptantha barbigera George K. Helmkamp 1983-4-5 483 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR26949  Cryptantha clevelandii var. clevelandii E. W. Lathrop 1966-5-8 6413 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  GMDRC3553  Cryptantha dumetorum J. Andre, T. La Doux 2009-2-25 10822 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  RSA338016  Cryptantha intermedia F. R. Fosberg 1932-5-9 10637 ` Riverside St. Johns Grade near Hemet. 770 Comment
  RSA500070  Cryptantha intermedia Steve Boyd 1989-4-2 3241 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  SBBG55854  Cryptantha intermedia C. Davidson, B. Gustafson 1977-4-7 5579 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  SD236231  Cryptantha intermedia John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  SD4196  Cryptantha intermedia Fidella G. Woodcock 1928-4-27 Riverside Hemet, San Jacinto Comment
  UCR137565  Cryptantha intermedia A. C. Sanders 2004-5-5 27776 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
  UCR79470  Cryptantha intermedia Steve Boyd, T. S. Ross 1992-5-15 7414 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero 671 Comment
  UCR91433  Cryptantha intermedia Scott D. White 1995-3-30 2642 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
  RSA0062497  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  SBBG87841  Cryptantha maritima A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  UC665862  Cryptantha maritima Ira L. Wiggins 1941-3-24 9579 Riverside 2.7 mi s Mortmar (along e side of Salton sea); Salton Sea Comment
  UCR245257  Cryptantha maritima Jim Andre 2012-3-19 21293 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  JOTR29592  Cryptantha micrantha Andre, Jim 2006-4-26 6769 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  NY1154442  Cryptantha micrantha N. H. Holmgren 1973-3-22 6462 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  UC1563096  Cryptantha micrantha Steve Boyd and Orlando Mistretta 1986-3-13 1429 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UCR162407  Cryptantha micrantha var. lepida S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  RSA543584  Cryptantha microstachys Steve Boyd 1991-5-7 6166 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SEINET273057  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. on E si 473 Comment
  UCR116071  Cryptantha microstachys O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UC24695  Cryptantha muricata H. M. Hall 1901-6-1 2052 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR111557  Cryptantha muricata Mitch Provance 1999-5-4 1705 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA772061  Cryptantha muricata var. jonesii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4627 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC78604  Cryptantha pterocarya C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  UCR274798  Cryptantha pterocarya David Fraker, Aaron C. Sedgwick 2012-3-27 046 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  SDSU18706  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 65 Riverside Joshua Tree National Park. Growing amongst big boulders under Nolina sp. in southwest end of Hidden Valley, southwest of the Hidden Valley Nature Trail by 500ft. 1273 Comment
  CAS-BOT-BC68028  Cryptogramma acrostichoides J. Ewan 1930-9-1 2165 Riverside Summit of Mt. San Jacinto 3293 Comment
  UCD107534  Cucurbita foetidissima T. B. Salvato; Kent Beaman 2005-5-16 792 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  JOTR35004  Cucurbita palmata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3106 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA544323  Cucurbita palmata Steve Boyd 1991-9-8 6431 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  SBBG35570  Cuscuta californica D. Myrick 1966-4-2 1330 Riverside Palms to Pines Hwy 74 ca. 3 mi W of Palm Desert Comment
  SDSU16681  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  SBBG38007  Cuscuta denticulata A. C. Sanders with G. Nuhn 1995-4-20 16587 Riverside near Fan Hill, NE of Dillon Rd on an abandoned rd, below Little San Bernardino Mtns, NE of 1000 Palms 350 Comment
  SEINET3085681  Cylindropuntia munzii Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17306 Riverside South Side of Chuckwalla Mountains, 67km WSW of Blythe, 3.8km SSW of Augustine Pass. 665 Comment
  SEINET7249312  Cylindropuntia munzii Andrew C. Sanders, Tim Thomas, T. B. Salvato 2012-1 Riverside Comment
  JOTR36023  Cymopterus panamintensis var. acutifolius Harding, Mitzi, T. Herskovits 2012-3-16 229 Riverside Joshua Tree National Park. Cholla Wash Comment
  RSA774933  Cynanchum utahense Duncan S. Bell 2011-4-7 2170 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  RSA791481  Cynanchum utahense J. Andre 2012-4-15 20848 Riverside West end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  UCR130876  Cyperus difformis A. C. Sanders 2001-12-22 24891 Riverside Perris-Aguanga Basin, Perris, south side of Mildred St. between Redlands Ave. and Ruby St. 436 Comment
  POM78942  Cyperus eragrostis I. M. Johnston 1925-7-19 s.n. Riverside Pedley. Comment
  UCR271689  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA736764  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR189290  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6595 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR101431  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  UCR42742  Dactylis glomerata B. G. Pitzer, Karen Kirtland 1986-5-20 225 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  RSA675051  Dalea mollis Scott D. White, Bill La Haye 2001-4-28 8432 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  UCR30584  Dalea mollis John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  UCR72212  Dalea mollissima Theo Glenn 1991-5-20 91- 98 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UCD65761  Dasyochloa pulchella F. W. Peirson 1920-2-16 1546 Riverside arm of Colorado Desert south of Palm Springs, Garden of Eden. Comment
  UCSB43913  Dasyochloa pulchella Oberholtzer, M. 1980-3-30 Riverside Willey's Well, 10.0 mi SE of Blythe, 0.25 mi N of parking lot on trail to geode diggings 76 Comment
  UCR162548  Datura wrightii S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR235083  Datura wrightii A. C. Sanders, John F. Green 2012-6-1 40230 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  CAS-BOT-BC294118  Deinandra kelloggii Mary F. Spencer 1919-6-17 1192 Riverside In San Jacinto 304 Comment
  SEINET6050431  Deinandra kelloggii Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. Long Canyon watershed. Along Long Canyon Road. 136 meters (0.08 air miles) northwest of jct. with Ortega Hwy (SR74). In meadow south of roadway. Comment
  UC1608036  Deinandra kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside 0.8 mi e of junction with Redlands Blvd (San Timoteo Canyon Road) Comment
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Jul 14 2012
  SDSU12290  Deinandra paniculata Jonathan Snapp Cook 1999-4-14 25 Riverside Skunk Hollow vernal pool. NE of Temecula. Off of Pourray Raod. About 100 meters west of reserve gate. 305 Comment
  UCR256518  Deinandra paniculata R. E. Riefner Jr. 2013-4-21 13- 68 Riverside City of Riverside, Moreno Valley, west of Box Springs Mountains, east of 215 Fwy, general vicinity of Morton Ave. and Box Springs Ave. 482 Comment
  CLARK-A1528-781  Delphinium nuttallianum Heather Hanson 1966-5-12 Riverside San Jacinto Mountains 1066 Comment
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Nov 20 2015
  RSA113904  Delphinium parishii G. R. Campbell 1955-12-6 21500 Riverside Botanic Garden. 457 Comment
  RSA398684  Delphinium parishii Emery M. Whilton 1937-3-19 s.n. Riverside taken in the foothills near Palm Springs, Coachella Valley Comment
  UCSB1974  Delphinium parishii subsp. subglobosum Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles N of U. S. 99; Western edge of Colorado Desert Comment
  CLARK-A1528-3865  Delphinium parryi John C. Roos 1937-5-2 1415 Riverside La Sierra Comment
  PASA2553  Delphinium parryi Frank W. Peirson 1922-5-18 3051 Riverside Road south of Lake Elsinore 377 Comment
  UCR133422  Delphinium parryi Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 211 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR140299  Delphinium parryi A. C. Sanders 2004-4-9 27463 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
  UCR384  Delphinium parryi N. J. Moriarty 1973-5-19 730519- 3 Riverside City of Riverside. 50 yards east of radio tower on the UCR Box Springs Experimental Station off the Box Springs Mt. Rd. 793 Comment
  UCSB12962  Delphinium parryi Woodhouse, Charles 1962-5-5 Riverside 6.5 miles south of Banning on road to Idyllwild 1158 Comment
  RSA0019614  Delphinium parryi subsp. parryi J. D. Olmsted 1958-6-15 187 Riverside S. Fork San Jacinto River just below its outlet from Hemet Lake, 10 mi. S of Mt. Center off of Pines to Palms Highway. San Jacinto Mountains, San Jacinto River drainage area. 1280 Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA357135  Dendromecon rigida subsp. rigida Robert F. Thorne 1969-10-25 41852 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  RSA433237  Dendromecon rigida subsp. rigida E. Crow 1929-3-17 191 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA543881  Deschampsia danthonioides Steve Boyd, D. E. Bramlet 1991-5-13 6239 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR114960  Deschampsia danthonioides Fred M. Roberts 1992-4-25 4870 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  RSA651379  Descurainia pinnata Marion P. Harthill 1971-3-19 28 Riverside Palm Desert. Comment
  RSA776086  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 818 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR262453  Dianthus armeria O. F. Clarke 2007-7-26 s.n. Riverside San Jacinto Mtns., Lake Fulmor 1628 Comment
  UC455326  Dicentra chrysantha I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. Comment
  UCR281012  Dicentra chrysantha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 21 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  RSA367460  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-3-24 1001 Riverside Banning. 701 Comment
  RSA614134  Dichelostemma capitatum subsp. capitatum Darin L. Banks 1997-2-23 1301 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR188671  Dichelostemma capitatum subsp. capitatum Amanda Lovelady, Tina Hofmann 2007-5-20 29 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UCR97472  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1997-3-1 19758 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  CLARK-A1528-12  Dichelostemma pulchellum C. M. Flanagan 1973-5-20 OO 505 Riverside Morongo Indian Reservation 1188 Comment
  RSA500991  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3110 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  CAS-BOT-BC292203  Dicoria canescens Marcus E. Jones 1928-1-3 s.n. Riverside Indio Comment
  POM202625  Dicoria canescens Marcus E. Jones 1933-12-29 s.n. Riverside Palm Springs. Comment
  RSA643434  Dicoria canescens R. D. Goeden, D. W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert: ca. 7 mi. S 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 (West of Palen Pass 7.5' Q.) 285 Comment
  UCR201018  Digitaria sanguinalis Scott D. White, Justin M. Wood 2008-9-17 12539 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  SEINET14595866  Diplacus brevipes Sharon K. DuBoise 1987-1 Riverside San Jacinto Mountains, 1 mile up Bee Canyon off of Highway 74, Banning 15 minute quadrangle 457 Comment
  CAS-BOT-BC153091  Diplacus fremontii Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  CHSC26487  Diplacus puniceus James Henrickson 1970-4-10 4533 Riverside 8 air miles ESE of Temecula along Hy. 71-79. 542 Comment
  UC50794  Distichlis spicata H. M. Hall Aug 1901 Riverside Vicinity of Riverside; in the Upper Sonoran Zone 259 Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  UCR264613  Distichlis spicata Mitch Provance 2011-6-6 17005 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UCR216217  Ditaxis californica Jim Andre, T. La Doux 2009-2-25 10802 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA608169  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10054 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA774309  Ditaxis lanceolata Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2192 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  SD129380  Ditaxis lanceolata A. C. Sanders 1989-9-19 9500 Riverside Chocolate Mountains Aerial Gunnery Range; 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  RSA717443  Ditaxis neomexicana Scott D. White, Pam De Vries 2006-3-14 11255 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA778414  Ditaxis neomexicana Stephanie Rockwood, Christi Gabriel 2011-10-4 053 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  UCR33696  Ditaxis serrata Sears 1977-10-10 S 518 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  CAS-BOT-BC43632  Dithyrea californica Le Roy Abrams 1903-4-6 3208 Riverside Palm Springs. Comment
  CAS-BOT-BC43633  Dithyrea californica L. R. Abrams 1926-3-26 11088 Riverside Indian Wells to Indio. Comment
  RSA530749  Dithyrea californica Robert L. Dressler 1949-3-19 420 Riverside 5 miles NE of Desert Center. Comment
  UCR138806  Dodecatheon clevelandii subsp. clevelandii D. L. Banks, J. Moreno 1997-2-5 1249 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  CSUSB548  Draba cuneifolia O. F. Clark 1966-2-3 S. N. Riverside In the Box Springs Mountians east of the east end of Box Springs road 304 Comment
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Jun 4 2012
  UCR65289  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3867 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  POM161558  Draba saxosa Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain Comment
  RSA596154  Dryopteris arguta Darin L. Banks 1996-11-7 1191 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  SEINET9625425 Image available Dryopteris arguta M. D. Windham 1985-7-10 716 Riverside In the San Jacinto Mts. ca. 3.70 km NNE of the summit of Rouse Hill. San Bernardino N.F. Blackburn Canyon Quad (7 1/2 min.). T5S, R2E, Sec. 27. 975 Comment
  SDSU13555  Dudleya lanceolata W. Miller with C. Mosse 1972-7-20 Riverside Upstream from Beaver dam. Comment
  UC115216  Dudleya multicaulis Charlotte M. Wilder 1905-6-1 583 Riverside West Riverside Comment
  CAS-BOT-BC109609  Dudleya saxosa subsp. aloides Philip A. Munz 1937-5-31 15119 Riverside Anza Tablet, head of Coyote Canyon, southwest Riverside county. 1066 Comment
  LA204792  Dudleya saxosa subsp. aloides Carl B. Wolf; 1937-4-5 8414 Riverside San Gorgonio Pass, 1 mi. W of Whitewater 365 Comment
  CAS-BOT-BC109625  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-4 835 Riverside Hidden Valley, Joshua Tree National Monument. 1300 Comment
  SEINET8060387 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 17 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 5 2016
  SEINET5497495 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .4 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain 1420 Comment
  RSA0125227  Echinocereus engelmannii var. engelmannii B. A. Prigge 1980-8-5 3860 Riverside Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
  UC1457289  Echinocereus triglochidiatus P. A. Munz 1921-5-1 4484 Riverside near Pinyon Wells (s edge of desert); Mojave Desert 1219 Comment
  UCR2341  Echinochloa crus-galli F. M. Reed 1936-7-27 s.n. Riverside South Coast; San Bernardino Valley, Riverside, edge of Fairmont Park [Evans] Lake opposite American Legion Club House 241 Comment
  UCSB38362  Echinochloa crus-galli Reed, F. 1918-9-15 Riverside Bluff Ranch Comment
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Apr 11 2009
  JEPS20696  Eclipta prostrata S. B. Parish 1912-10-2 8362 Riverside Mecca -57 Comment
  POM13142  Elatine californica P. A. Munz, I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley, San Jacinto Mts.; Garner Ranch 1387 Comment
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR59673  Eleocharis montevidensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3548 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UCR146496  Elymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  UCR281004  Elymus condensatus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 37 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCR20449  Elymus stebbinsii E. W. Lathrop 1966-6-1 6374 Riverside Cleveland National Forest. 14 mi NW of Murrieta, Los Alamos Road between Fisherman Camp and Main Divide Truck Trail. Comment
  NY411116  Emex spinosa N. D. Atwood 1993-3-27 17696 Riverside Corona Del Mar State park along Newport Coast Drive. 0.0 Comment
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Jul 14 2012
  RSA401418  Emmenanthe penduliflora Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  RSA401450A  Emmenanthe penduliflora N. C. Cooper 1949-4-8 3280 Riverside Shaver s Summit east of Indio. 610 Comment
  SEINET7073450  Emmenanthe penduliflora A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  SEINET7048160  Emmenanthe penduliflora var. penduliflora Steven R. Hill 2001-5-3 33661 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
  POM301791  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument. 1280 Comment
  CAS-BOT-BC131316  Encelia farinosa Marian L. Campbell 1921-3-29 71 Riverside Palm Springs Comment
  UC217945  Encelia farinosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4890 Riverside near Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCD131200  Encelia farinosa Nancy Ryan Zabriskie 1969-4-1 173 Riverside Andreas Canyon, near Palms Springs. 152 Comment
  UCR232048  Encelia farinosa John F. Green 2008-4-15 0408- 11 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
  RSA0045282  Encelia farinosa Viki Cruz 1983-5-8 001 Riverside Just off Indian Trial[Trail] Road where the dirt road begins. Magnesha[Magnesia] Canyon, Santa Rosa Mts. Comment
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  UCR281919  Enchylaena tomentosa A. C. Sanders 2017-9-9 43329 Riverside Riverside, Belvedere Heights neighborhood at the foot of the Box Springs Mountains, Two Trees Road between Belvedere Dr. and Galaxie Heights Rd. 389 Comment
  NY70191  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  RSA703484  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -b Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  SD124750  Ephedra aspera A. C. Sanders, D. Charleton & B. Pitzer 1986-3-3 6142 Riverside north foot of the Chuckwalla Mountains, 2.75 miles airline southeast of Desert Center 365 Comment
  UCR246832  Ephedra aspera Jim Andre 2012-3-19 21334 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
  UCR60909  Ephedra aspera R. F. Thorne, A. Shmida, Robert Whittaker 1978-4-23 52061 Riverside Santa Rosa Mtns./Colorado Desert, Palms to Pines Hwy: along the highway Comment
  CAS-BOT-BC81549  Ephedra californica Munz; Street; Williams 1919-3-25 2310 Riverside [Whitewater] White Water 304 Comment
  RSA0117687  Ephedra californica Lyman Benson 1946-4-15 12040 Riverside On Twenty-nine Palms Road from Whitewater. Mt. Range: San Bernardino. 457 Comment
  RSA167539  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside Desert wash near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernrardino Co. line. Comment
  RSA796329  Ephedra trifurca Duncan S. Bell 2009-4-18 222 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR275148  Ephedra trifurca David Fraker, Aaron C. Sedgwick 2012-3-27 039 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  RSA661036  Epilobium brachycarpum A. C. Sanders, Mitch Provance 1999-9-26 23085 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road. 1183 Comment
  UCR96253  Epilobium brachycarpum Scott D. White 1996-8-1 4415 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR234800  Epilobium campestre Jeremiah George 2012-6-14 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
  UCR54427  Epilobium canum subsp. latifolium A. C. Sanders, E. J. Lawlor 1988-10-22 8734 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  SBBG60217  Epilobium oregonense R. Hoffmann 1929-9-6 Riverside Tahquitz Valley Comment
  CAS-BOT-BC58049  Equisetum G. B. Grant 1901-1-1 s.n. Riverside Strawberry Valley, San Jacinto. Comment
  RSA607913  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains: Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  RSA684603  Equisetum laevigatum H. de Forest, Jack Rempel 1934-4-14 19792 Riverside Andreas Canyon. 305 Comment
  POM310568  Eragrostis cilianensis Hulda Crooks 1945-10-1 1100 Riverside San Bernardino. Warm Creek. Comment
  RSA450449  Eragrostis cilianensis J. C. Roos 1965-7-7 s.n. Riverside San Jacinto. Comment
  SBBG6284  Eremocarya micrantha T. L. Secrest 1948-4-7 Riverside 2 mi S of Desert Hot Springs 213 Comment
  JEPS31756  Eremothera refracta E. E. Schellenger April 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA799242  Eremothera refracta Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 750 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  SD258452  Eremothera refracta J. M. Andre 2013-3-4 23863 Riverside Sandy bluffs overlooking Colorado River, 0.2 mile E of Hwy 95, just S of Riverside Mountains, just N of Queen Sable Point. (Big Maria Mtns NE 7.5'Q) 96 Comment
  JEPS69021  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. St. Jacinto Comment
  RSA0060485  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside Along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest. 1499 Comment
  RSA0105502  Eriastrum densifolium subsp. austromontanum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8656 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
  RSA0105500  Eriastrum densifolium subsp. austromontanum Verne Grant, Alva Grant 1951-7-19 16088 Riverside Along Idyllwild road just above Hwy 74, San Jacinto Mts. 1220 Comment
  UCSB5012  Eriastrum eremicum Beeks, Richard 1952-4-5 Riverside 12 miles E of Shaver Summit Comment
  RSA0120092  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree National Monument. Comment
  RSA0029393  Eriastrum harwoodii Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4683 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UC23548  Eriastrum sapphirinum A. J. McClatchie May 1892 39 Riverside near Elsinore Comment
  UC489044  Eriastrum sapphirinum C. V. Meyer Jun 1927 152 Riverside Temecula Comment
  UCR182445  Eriastrum sapphirinum Mitch Provance 2005-5-27 4608 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA0121575  Eriastrum sapphirinum subsp. dasyanthum LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6164 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds., Collections are between this road, and Strawberry Creek. Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA0121589  Eriastrum sapphirinum subsp. dasyanthum Anstruther Davidson 1921-06 3429 Riverside San Jacinto. Comment
  RSA0122014  Eriastrum sapphirinum subsp. dasyanthum F. M. Reed 1926-5-8 5309 Riverside Rocky hills south of Perris on Elsinore Road. Comment
  RSA0122955  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6946 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  RSA0122966  Eriastrum sapphirinum subsp. sapphirinum C. W. Tilforth, John Dourley 1980-7-15 2078 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UCR244391  Ericameria linearifolia Jim Andre 2012-4-16 20965 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UC31193  Ericameria nauseosa var. bernardina H. M. Hall 1896-8-29 341 Riverside Round Valley side San Jacinto Mountains, Round Valley 2743 Comment
  UCR113191  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  CDA29898  Ericameria palmeri var. palmeri Mike Lahti 2009-10-2 PDR# 1501842 Riverside Santa Rosa Hills, west of the city of Murrieta. 0 Comment
  CAS-BOT-BC131642  Ericameria parishii var. parishii Edmund C. Jaeger 1923-7-12 1004 Riverside East slope San Jacinto Mts. 2133 Comment
  UC2030137  Ericameria pinifolia Scott D. White 2000-10-20 8137 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  RSA552152  Erigeron bonariensis D. Charlton 1989-5-23 3238 Riverside Parking lot, University of California, Riverside Botanic Gardens. 732 Comment
  RSA212927  Erigeron divergens L. B. Ziegler 1969-5-26 s.n. Riverside Low hillsides at edges of meadows in Hemet Valley, San Jacinto Mts. 1387 Comment
  RSA751929  Erigeron foliosus Scott D. White, Justin M. Wood 2009-5-21 12837 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  POM13090  Erigeron foliosus var. foliosus E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  POM157944  Erigeron foliosus var. foliosus P. A. Munz 1927-5-20 10824 Riverside 10 miles S. of Hemet. Comment
  RSA642600  Erigeron foliosus var. foliosus D. L. Banks, Mike Kinney 1998-6-8 2210 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  UC31467  Erigeron foliosus var. foliosus H. M. Hall Jun 1 1901-Jul 1 1901 2385 Riverside forests in vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UC729659  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside just above Fish Hatchery; No. Base of San Jacinto Mts., Snow Creek 670 Comment
  UCD132022  Erigeron strigosus var. strigosus Steve Morgan 1994-3-25 94 -1 Riverside in the UCR Botanic Garden. Comment
  HSC78581  Eriochloa aristata J. C. Roos 1965-9-26 Riverside Indio Comment
  UCR170021  Eriochloa contracta O. F. Clarke 2003-9-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanical Garden, along wheelchair trail NW of rose garden 351 Comment
  LA205567  Eriodictyon crassifolium Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  POM3885  Eriodictyon crassifolium Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mts. Comment
  UCR163814  Eriodictyon crassifolium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  UCR234245  Eriodictyon crassifolium A. C. Sanders, T. B. Salvato 2012-4-27 40091 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  SD229190  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 929 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR268308  Eriodictyon crassifolium var. crassifolium Jim Andre 2012-6-15 30499 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR91723  Eriodictyon trichocalyx A. C. Sanders, J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CLARK-A1656-783  Eriodictyon trichocalyx subsp. trichocalyx Theo Glenn 1982-4-23 Riverside Cottonwood Canyon Comment
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  CAS-BOT-BC248623  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2133 Comment
  CAS-BOT-BC248633  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Pk., San Jacinto Mt 2499 Comment
  RSA766439  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 972 Riverside Strawberry Valley, San Jacinto Mts. 1646 Comment
  SD86300  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north north-west of Idyllwild, 8.9 miles north of the junction with highway 74, and 1 mile south of Alandale Ranger Station Comment
  CAS-BOT-BC242760  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  HSC81357  Eriogonum davidsonii Dave Goodward, M. Hamilton 1985-9-29 Riverside San Jacinto Mtns., Pine Cove 1890 Comment
  RSA221068  Eriogonum davidsonii E. W. Lathrop 1966-5-29 6392 Riverside Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak. 1220 Comment
  SD95204  Eriogonum davidsonii G. L. Webster, R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., parkland at Split Rock 1310 Comment
  CAS-BOT-BC242800  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road, San Jacinto Mts. 1371 Comment
  RSA701043  Eriogonum deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11288 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR50891  Eriogonum deflexum A. C. Sanders 1988-5-11 7807 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA554248  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-15 91134 Riverside Colorado Desert Little Maria Mountains, NW of Blythe. 390 Comment
  RSA554428  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-2 91 -124 Riverside Arica Mtns, SW of Rice. 340 Comment
  RSA771751  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4613 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET6418387  Eriogonum fasciculatum Ken Zysk 1971-4-27 P 140 Riverside Chaffey College 457 Comment
  JOTR32459  Eriogonum fasciculatum var. flavoviride La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2605 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  UC1032055  Eriogonum fasciculatum var. foliolosum A. Lewis 1934-2-1 1 Riverside 3 1/2 mi w Auburndale; Corona Quadrangle Comment
  CAS-BOT-BC250136  Eriogonum fasciculatum var. polifolium Annie M. Alexander; Louise Kellogg 1941-5-23 2223 Riverside Colorado Desert. 1.5 miles northeast of Cottonwood Spring, Eagle Mountains 975 Comment
  OBI62134  Eriogonum fasciculatum var. polifolium P. A. Holden 1969-5-13 847 Riverside SE of the Mission Crk Indian Rservation and 2 mi W of hwy 62 Comment
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Apr 22 2013
  RSA393347  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4305 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SD229224  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer 2012-10-16 926 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UC64571  Eriogonum fasciculatum var. polifolium H. M. Hall June, 1901 2000 Riverside Box Springs Comment
  UC1563140  Eriogonum gracile Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3660 Riverside Temecula Creek canyon below dam; Vail Lake area, Temecula Creek canyon; Coordinates: T8 R1W NW1/4 NW1/4 sec.10, NE1/4 NE1/4 sec.9 457 Comment
  UC574981  Eriogonum gracile C. Epling, Wm. Robison Jun 24 1933-Jun 27 1933 Riverside San Gorgonio Wash Little San Bernardino Mountains, San Gorgonio Wash Comment
  UCR154394  Eriogonum gracile A. C. Sanders, Mike Misenhelter 2005-6-15 30971 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
  UCR234757  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  RSA759113  Eriogonum gracile var. incultum Robt. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside Santa Ana Mtns, South Main Divide Road, 5.0 road miles SE of junction with Ortega Hwy (SR74). 938 Comment
  HSC28439  Eriogonum inflatum Richard Spjut 1973-4-11 3293 Riverside Colorado Desert, N slopes of Chuckawalla Mtns. 3-4 mi. S of Desert Center 305 Comment
  RSA766083  Eriogonum inflatum Joseph A. Ewan 1930-4-18 3087 Riverside Dry Morongo Creek below Morongo Valley. 518 Comment
  RSA779725  Eriogonum inflatum Duncan S. Bell 2009-3-8 93 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  RSA393585  Eriogonum inflatum var. inflatum E. C. Jaeger 1922-4-10 723 Riverside Box Canon 91 Comment
  RSA785068  Eriogonum maculatum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  UCR270285  Eriogonum microthecum John F. Emmel 1998-11-14 1605 Riverside San Jacinto Mountains, along Pacific Crest Trail, 5.7-6.5 trail miles north of Hwy 74, c. 0.2 air mile SSE of Tunnel Spring 1799 Comment
  CAS-BOT-BC270592  Eriogonum molestum H. M. Hall 1901-7-1 2386 Riverside San Jacinto Mountains 1615 Comment
  CAS-BOT-BC268793  Eriogonum nidularium Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9554 Riverside Cottonwood Springs Canyon Comment
  JOTR29274  Eriogonum plumatella La Doux, Tasha 2005-8-17 1544 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  JEPS56485  Eriogonum pusillum Marjorie D. Clary 1932-5-25 1036 Riverside between Indio and, Berdoo Canyon Pinyon Well; Colorado Desert, San Bernardino Mts., Berdoo Canyon 914 Comment
  JOTR16819  Eriogonum pusillum Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  UCSB1532  Eriogonum pusillum Walker, Clifford 1954-4-10 Riverside slope mouth of White Water Canyon 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
  RSA424914B  Eriogonum saxatile Louis C. Wheeler 1931-10-3 235 Riverside Sumit Fern Valley-Tahquitz Valley trail, San Jacinto Mountains. 2500 Comment
Read comments
Jul 9 2012
  UCR104038  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-5 2674 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR139376  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR16512  Eriogonum thomasii David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  UCR244293  Eriogonum thomasii Jim Andre 2012-4-16 20881 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR245231  Eriogonum thomasii Jim Andre 2012-3-19 21320 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
  UCR92487  Eriogonum thomasii George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCD170271  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside SE Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek. 487 Comment
  CLARK-A1045-212  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  CLARK-A1045-213  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  POM204399  Eriogonum wrightii var. membranaceum F. M. Reed 1934-9-26 8973 Riverside San Jacinto Mountains. 1341 Comment
  RSA38358  Eriogonum wrightii var. membranaceum P. A. Munz 1946-10-19 11565 Riverside Coahuila. 1098 Comment
  SD173046  Eriogonum wrightii var. membranaceum Juergen Schrenk 2005-10-11 46 Riverside Santa Rosa Mountains, summit of Toro Peak 2650 Comment
  UCR13758  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1972-9-7 534 Riverside Peninsular Range; San Jacinto Mtns., Strawberry firebreak, south of S end of Marion Ridge Road, Pine Cove, W drainage Mtns 1921 Comment
  CAS-BOT-BC261784  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  LA207104  Eriogonum wrightii var. nodosum Carl Epling; October 1934 sn Riverside Palms to Pines Highway 152 Comment
  SD229231  Eriogonum wrightii var. nodosum Dick Schwenkmeyer 2012-11-6 868 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UCR215578  Eriogonum wrightii var. nodosum Tasha La Doux, Jim Andre 2008-9-16 340 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  SEINET3260968 Image available Eriogonum wrightii var. wrightii T. La Doux, Jim Andre 2008-9-16 340 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground (Indian Cove 7.5' Q.) 930 Comment
  SEINET7048174  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 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
  RSA695682  Eriophyllum confertiflorum Kenneth Beard 1934-04 s.n Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
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Oct 31 2011
  SJSU5248  Eriophyllum lanosum R. C. McGehee 1970-4-16 208 Riverside between Wileys Well & Nyland Comment
  JEPS5430  Eriophyllum multicaule W. L. Jepson May 17 1901-Jun 1 1901 1272 Riverside San Jacinto River Canon Comment
  POM474458  Eriophyllum multicaule Martha Hilend 1928-4-8 s.n. Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA203060  Eriophyllum multicaule James Henrickson 1967-4-30 2462 Riverside 2 miles N of Lake Elsinore. 396 Comment
  UCR20783  Eriophyllum multicaule A. C. Sanders, Steve Boyd 1980-5-2 1408 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR51838  Eriophyllum multicaule I. W. Clokey 1935-4-18 6987 Riverside Gavilan Plateau, Gavilan 600 Comment
  RSA772135  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4979 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  SD143857  Erodium brachycarpum A. C. Sanders, G. Waines, et al. 1997-3-12 19842 Riverside Lake Skinner area: Lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  UC1536993  Erodium cicutarium Gordon H. True 1935-3-1 29 Riverside Box Springs 365 Comment
  UC1930017  Erodium cicutarium Scott D. White, Justin Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. Comment
  RSA781187  Erodium cicutarium D. Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of wter treatment facility, along Smith Creek, 320 m south of E Westward Ave. 628 Comment
  UCR139195  Erodium moschatum Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  SEINET13752389  Erodium texanum Heather Breakiron 2017-3-21 1 Riverside 11 miles southwest of Blythe, CA Comment
  UCR112971  Erodium texanum B. G. Pitzer, T. Tennant 1998-2-21 3537 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  CAS-BOT-BC54336  Erysimum capitatum Carl B. Wolf 1932-8-4 3910 Riverside San Jacinto Mountains. Point View, near Idyllwild. 1645 Comment
  SD185174  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 Riverside Head of Banning Canyon close to the San bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UC10559  Erysimum capitatum H. M. Hall July 1901 2339 Riverside in damp places San Jacinto Mountains, vicinity of Deer Springs 2743 Comment
  RSA0016048  Erythranthe cardinalis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5015 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  SBBG66754  Erythranthe cardinalis M. Lewis 1947-8-26 23 Riverside Dark Cyn 1981 Comment
  SD212732  Erythranthe guttata T. B. Salvato, John F. Green 2004-5-27 602 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA0020063  Erythranthe guttata Philip A. Munz 1932-3-14 12007 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  CAS-BOT-BC110555  Eschscholzia Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  GMDRC5579  Eschscholzia androuxii Shannon M. Still, Robert Lee 2009-3-3 457 Riverside Little San Bernardino Mountains: Salvia in bloom here, along ith chia, palo verde, Hymenoclea 677 Comment
  SDSU12927  Eschscholzia californica Jutta Buschbom 1991-6-9 43 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
  SEINET10476377  Eschscholzia glyptosperma David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2898 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  LA85614  Eschscholzia minutiflora Elizabeth McClintock; 1946-4-14 sn Riverside at foot of Pines to Palms Highway, to S of road near the two bridges Comment
  UC635599  Eschscholzia minutiflora Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Comment
  SEINET10476369  Eschscholzia minutiflora David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3752 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  CAS-BOT-BC419626  Eschscholzia parishii Philip A. Munz 1949-4-13 13056 Riverside Above Cottonwood Springs, west end of Eagle Mts., Colorado Desert 1143 Comment
  CAS-BOT-BC419636  Eschscholzia parishii Ira L. Wiggins 1937-3-9 8749 Riverside 1 mi. below Chuckawalla [Chuckwalla] Spring, Chuckawalla [Chuckwalla] Mts. 528 Comment
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  JOTR31872  Eschscholzia parishii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2126 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA49176  Eschscholzia parishii P. A. Munz 1949-4-13 13056 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR233153A  Eschscholzia parishii Jim Andre, Glenn L. Clifton 2011-2-22 17459 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCSB3661  Eschscholzia parishii Ray, Peter 1949-3-12 Riverside North side of Coachella Valley; 2 miles west of Whitewater 457 Comment
  UC1608073  Eucalyptus camaldulensis D. Goodward April 1987 30 Riverside Eucalyptus irrigation plot U.C. Riverside Moreno Valley Field Station (s. of Alessandro Blvd. near Nason St., Tree R45T6); Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  UCR199567  Eucalyptus camaldulensis Scott D. White, Angelia Carey 2004-7-2 10599 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SEINET7904490  Eucalyptus robusta Paul Schallert 1957-1 10883 Riverside Banning. Morongo Moravian church-yard Comment
  UCR241813  Eucalyptus rudis A. C. Sanders, John F. Green 2013-3-27 40689 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 0.83 km south of I-15 Fwy 389 Comment
  RSA0012837  Eucalyptus tereticornis Chris M. Johnson 1970-3-16 74 Riverside Outside Corona, Hwy 71, at Rancho El Hermano entrance. 244 Comment
  RSA501056  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-4-1 3173 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR260853  Eucrypta chrysanthemifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41419 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
  UCR87633  Eucrypta chrysanthemifolia A. C. Sanders 1994-5-30 14607 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SEINET7073346  Eucrypta chrysanthemifolia var. chrysanthemifolia A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  JOTR38694  Eulobus californicus Hodges, Stephen R. 2017-2-7 710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  CAS-BOT-BC202782  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 s.n. Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA0123118  Euphorbia eriantha Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9028 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UC1971290  Euphorbia eriantha Carl B. Wolf 1932-4-29 3090 Riverside Eastern Colorado Desert. W. Edge of Maria Mts. 17 mi. from Blythe on Rice Road.; Lower Sonoran Comment
  UCR95421  Euphorbia micromera L. C. Wheeler 1966-10-15 8982 Riverside San Jacinto Mtns., near Black Hill, by Pines to Palms Hwy. 976 Comment
  UCR5988  Euphorbia palmeri Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, across the street from entrance to San Jacinto Wilderness State Park, on roadside, in Idyllwild. 1809 Comment
  RSA0119995  Euphorbia pediculifera Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9086 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCR234315  Euphorbia polycarpa A. C. Sanders, John F. Green 2012-3-20 39972 Riverside Peninsular Range; Gavilan Hills Area, eastern side of city of Lake Elsinore, off Hwy 74 near Crater Dr. 446 Comment
  UCR4218  Euphorbia polycarpa K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  UCD142820  Euphorbia serpillifolia E. W. Lathrop; R. F. Thorne 1967-9-26 6642 Riverside 6 mi. NW of Murrieta. Comment
  UC1931118  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  CLARK-A1528-2708  Euphorbia setiloba John C. Roos 1958-9-28 Riverside San Jacinto Mountains 1219 Comment
  UCR128936  Euphorbia setiloba Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  POM7049  Eustoma exaltatum P. A. Munz, G. Williams 1919-3-25 2314 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA612273  Eustoma exaltatum Louis C. Wheeler 1933-8-13 2078 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA457795  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2203 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SEINET3004970  Fagonia laevis G. Rink 2011-3-25 10396 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  UCR159767  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR216493  Fagonia laevis Tasha La Doux, Jim Andre 2009-3-10 385 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR33569  Fagonia laevis Faulkner 1978-3-30 408 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCR91008  Fatoua villosa A. C. Sanders, Steve Morgan 1996-2-23 17955 Riverside Box Springs Mtns., UCR Botanic Garden. Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA439066  Ferocactus cylindraceus H. de Forest 1924-4-15 s.n. Riverside Near Whitewater Highway. Palm Springs Road. Comment
  CSUSB448  Festuca arundinacea Steve Walker 1966-5-13 Riverside City of Riverside; Fairmount Park; 500 yards from Santa Ana River. Western perimeter. 274 Comment
  UCR117318  Festuca dertonensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 727 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR20530  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR213888  Festuca microstachys var. pauciflora Scott D. White, Justin M. Wood 2009-5-22 12912 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  UCR102191  Festuca myuros Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR133356  Festuca myuros Tracy Tennant, J. S. Ross 1998-5-7 MOR- 123 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR91279  Festuca myuros Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR228881  Festuca octoflora A. C. Sanders 2011-4-6 38997 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR2421  Festuca octoflora F. M. Reed 1906-3-13 904 Riverside Riverside, sec. 30 corner of Reserve Ranch, near east 8th St. 305 Comment
  RSA393725  Filago californica Robert Gustafson 1983-4-18 2502 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA716822  Filago californica A. C. Sanders, Teresa B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCSB4146  Fouquieria splendens Sage, Paul 1958-3-22 Riverside Near junction-of road that crosses Joshua Tree Nat'l. Mon. to U.S. 60, this specimen from flat area 3 mi. So. of there 457 Comment
  RSA750123  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 171 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  UC217985  Fragaria vesca P. A. Munz and I. M. Johnston 1922-5-19 5388 Riverside 3 mi w Keen Camp; San Jacinto Mts. 1493 Comment
  POM230678  Frangula californica subsp. californica I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. Hillsides. 1650 Comment
  RSA544413  Frankenia salina Steve Boyd, T. S. Ross 1991-6-14 6381 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
  UCR266487  Frankenia salina Mitch Provance, Matt Amalong 2015-3-25 315- 32 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
  UCR91739  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  SEINET273042  Fritillaria biflora A. C. Sanders 1997-4-3 20166 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
  UCR23170  Fritillaria biflora C. Filmer 1981-4-12 81- 18 Riverside Gavilan Hills, c. 25 m north of the S entrance to Harford Springs Co. Park. 579 Comment
  RSA342005  Funastrum cynanchoides var. hartwegii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin 1980-4-16 54111 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  HSC25819  Funastrum hirtellum R. W. Spjut 1972-3-20 2291 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  SEINET10580704  Funastrum hirtellum Unknown 1992-4-4 Sanders 12155 Riverside McCoy Mountains, with 1/2 mi of McCoy Spring 244 Comment
  UCR232391  Funastrum utahense Dave Silverman 2010-3-30 7886 B 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
  RSA33833  Galium andrewsii subsp. andrewsii N. C. Cooper 1944-5-22 1244 Riverside Pinyon Flats, Palms to Pines Highway. San Jacinto Mtns. 1220 Comment
  SEINET3101940  Galium andrewsii subsp. andrewsii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17362 .2 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UC416636  Galium angustifolium subsp. angustifolium H. M. Hall 1896-9-2 325 Riverside San Jacinto Mountains Comment
  UC917858  Galium angustifolium subsp. angustifolium Frank W. Gould 1943-4-17 2121 Riverside 12 mi s Corona Comment
  CAS-BOT-BC223053  Galium angustifolium subsp. gracillimum H. K. Wagnon 1944-5-25 402 Riverside Along Tahquitz Creek, alluvial fan of Tahquitz Canon [Canyon], Palm Springs Comment
  RSA633875  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38134 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1677 Comment
  UCR91529  Galium aparine Scott D. White 1995-3-30 2662 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
  JOTR33928  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JOTR29311  Galium stellatum var. eremicum La Doux, Tasha, Mike Bell 2006-5-17 1388 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  CAS-BOT-BC278710  Gastridium ventricosum Scott D. White 1995-6-30 3434 Riverside Murrieta area, W Riverside Co. (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 360 Comment
  UCR195137  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR4659  Gayophytum heterozygum Frank C. Vasek 1964-7-19 640719- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  SBBG44596  Geraea canescens Leota Davidson 1966-4-3 229 Riverside below Washington Street overpass, Interstate 10, ca. 5.5 mi W of Indio Comment
  SEINET2051656 Image available Geraea canescens Steven J. Southwell 1971-5-1 Riverside 300 ft. W. of road through Thousand Palm Oasis 150 Comment
  UC69318  Geraea canescens L. A. Greata 1905-4-1 Riverside Coachella Comment
  UC88703  Geraea canescens S. B. and W. F. Parish 1882-4-1 Riverside Agua Caliente Comment
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Nov 24 2011
  UCR244730  Geraea canescens Jim Andre 2012-3-19 21347 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UC489193  Geranium californicum C. V. Meyer 1928-7-24 515 Riverside above Idyllwild Falls; San Jacinto Mts. 1981 Comment
  RSA391015  Geranium richardsonii E. C. Jaeger 1921-7-9 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1829 Comment
  UCR160750  Gilia George K. Helmkamp, E. A. Helmkamp 1998-4-24 3373 Riverside San Jacinto Mountains, 0.1 mi east of the junction of Calif. Hwy 74 and Calif. Hwy 371, SE side of the mountains 1494 Comment
  UC748762 Image available Gilia abramsii Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon; Temecula Canyon, Riverside Co. Comment
  SD119885  Gilia achilleifolia Louis B. Ziegler 1972-6-5 474 Riverside San Jacinito Mountains. In a Canyon at the lower end of Poppet Flats. In full sun and semi shade. 1067 Comment
  RSA470125  Gilia angelensis N. C. Cooper 1949-3-15 3011 Riverside Banning. 701 Comment
  RSA470223  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Riverside Between Shaver's Well and Desert Center. Comment
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Sep 20 2011
  UCR52067  Gilia exilis D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  POM8322  Gilia latiflora subsp. latiflora Mary F. Spencer 1920-4-5 1572 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA774927  Gilia latifolia Duncan S. Bell 2011-4-7 2165 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UCR103549  Gilia latifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2533 Riverside Sonoran (Colorado) Desert, Box Canyon, NE of Mecca and 3.5 mi south of Shavers Well. 244 Comment
  UCR154456  Gilia ochroleuca Jason L. Hlebakos 2005-5-30 805 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CAS-BOT-BC407622  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside Temescal Canyon, near auto camp 304 Comment
  UCR118399  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14576 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  GMDRC2592  Gilia stellata J. Andre, T. La Doux 2008-3-21 8835 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  JOTR35468  Gilia stellata Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 71 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop5) 1493 Comment
  SEINET3005070  Gilia stellata G. Rink 2011-5-1 10508 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UC667389  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2168 a Riverside 5.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 502 Comment
  UCR244401  Gilia stellata Jim Andre 2012-4-16 20983 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  CAS-BOT-BC303883  Gnaphalium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR201862  Gnaphalium canescens Justin M. Wood 2008-9-19 133 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  POM153364  Gnaphalium leucocephalum P. A. Munz, I. M. Johnston 1928-9-12 11248 Riverside Temescal Canyon. Comment
  UCR130262  Gnaphalium leucocephalum Robert Noll 2003-9-24 s.n. Riverside San Jacinto River at Lake/Main St. crossing, east edge of San Jacinto 488 Comment
  UCR160843  Gnaphalium luteoalbum T. B. Salvato, Kelly Volansky 2003-3-27 119 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR241649  Gnaphalium luteoalbum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 355 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  SEINET3071480  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17497 Riverside Queen Mountain quadrangle, zone 11 0584612mE 3763271mN NAD83, Queen Valley, 14.5 km SSW of Twenty Nine Palms, 2.2km south of Negro Hill 1354 Comment
  UCR89724  Guillenia lasiophylla J. M. Stewart 1991-4-1 766 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, Slaughter Tree Wash, c. 5 mi. from Hwy 95 Comment
  RSA125983  Gutierrezia californica E. K. Balls, Percy C. Everett 1957-11-4 22744 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  UCD132635  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  UCR134647  Gutierrezia californica Mitch Provance 1998-4-10 420 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR34960  Haplopappus acradenius subsp. eremophilus L. B. Ziegler 1964-9-30 043 Riverside San Jacinto Mountains, Garner (Hemet) Valley, from Kenworthy area 1418 Comment
  LA203735  Hazardia squarrosa var. grindelioides A. M. Johnson; 1932-8-18 4139 Riverside San Jacinto Mountains, along road, down Banning side Comment
  UCR128914  Hedypnois cretica A. C. Sanders, Mitch Provance 2001-4-5 23914 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  CAS-BOT-BC309385  Helenium puberulum Mitch Provance 1998-6-20 705 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
  RSA500113  Helianthemum scoparium var. aldersonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3698 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  CAS-BOT-BC305618  Helianthus californicus Ralph Hoffman 1929-9-7 s.n. Riverside San Jacinto Mt. 1828 Comment
  RSA79078  Helianthus gracilentus Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17268 Riverside Locally common perennial to 1.5m. tall. with Adenostoma, Ceanothus, Salvia, on steep, dry banks by roadside in decomposed granite; 3.7 mi. s.e. of Banning along hwy to Idyllwild, Comment
  UCR277738  Helianthus gracilentus Mitch Provance 2012-1-26 112- 07 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, powerline access road, 0.4 miles due S of El Casco Substation. 687 Comment
  POM11986  Helianthus niveus subsp. canescens M. French Gilman 1922-05 s.n. Riverside Andrea's Canyon, Palm Springs. Comment
  UCD132929  Helianthus petiolaris K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  JEPS35469  Helianthus petiolaris subsp. canescens Clary 1932-4-15 813 Riverside open desert w Indio Comment
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Dec 6 2011
  UCR136279  Heliotropium curassavicum A. C. Sanders 2004-6-20 28233 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  UCR82242  Heliotropium curassavicum J. M. Stewart 1994-5-2 862 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  VVC2321  Heliotropium curassavicum var. oculatum Tim Thomas 2011-10-17 5522 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  CAS-BOT-BC314980  Hemizonella minima Munz; Street; Williams 1919-5-30 2828 Riverside Dark Canyon, Pine Crest, San Bernardino Mts. Comment
  RSA801728  Hemizonella minima LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6182 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA735946  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-6-13 12101 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR158884  Hemizonia kelloggii Scott D. White 1994-6-14 2066 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR82771  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mtns, N slope of the mtns: nameless tributary to Azalea Creek, c. 1 mi. due south of the Twin Pines Ranch buildings. 1128 Comment
  RSA360324  Hemizonia paniculata E. Crow 1929-4-21 350 Riverside North of Elsinore Comment
  RSA554093  Hemizonia paniculata Chet McGaugh 1991-6-20 91 -3 Riverside Murrieta Hot Springs area: ca. 1 mile E of Highway I-215, S of and adjacent to Murrieta Hot Springs Road. 348 Comment
  RSA644391B  Hemizonia paniculata Steve Boyd 1991-5-30 6319 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCR139188  Hemizonia paniculata Virginia Moran 2003-5-17 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR139645  Hemizonia paniculata A. C. Sanders 2004-6-30 28388 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR171134  Hemizonia paniculata John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA520921  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside The northern shoulder of the Ramona Expressway 440 m W of Lakeview and some 587 m. E of the San Jacinto River. 477 Comment
  UCR231753  Herniaria hirsuta subsp. cinerea John F. Green 2008-4-21 02- 07 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCR24143  Hesperocallis undulata John C. Roos 1949-3-19 4114 Riverside Western Colorado Desert, Sandy flats 2 or 3 miles east of Mecca Comment
  CAS-BOT-BC131793  Hesperoyucca whipplei Scott D. White 1996-4-14 3920 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  RSA583483  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  RSA0075890  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  RSA0075892  Heterotheca grandiflora Scott D. White 1998-6-17 6747 Riverside Gavilan Hills, W Riverside Co.: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 500 Comment
  POM48499  Hieracium albiflorum Mary F. Spencer 1919-7-5 1343 Riverside Open woods, San Jacinto Mts. 1646 Comment
  JEPS36587  Hieracium horridum Carl V. Meyer 1928-7-31 610 Riverside Summit of Tahquitz Peak San Jacinto Mts., Summit of Tahquitz Peak 2682 Comment
  UCR60833  Hilaria rigida Steve Boyd, Orlando Mistretta 1986-3-13 1464 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UC577427  Hoffmannseggia glauca J. and H. W. Grinnell 1937-11-30 1087 a Riverside 24 mi w Blythe (bed of Fork Dry Lake); Ford Dry Lake Comment
  UC68501  Hoffmannseggia glauca L. A. Greata Apr 1905 436 Riverside near Coachella Comment
  CAS-BOT-BC207573  Hoffmannseggia microphylla Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9564 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  CSUSB1281  Hoffmannseggia microphylla J. E. Parlevliet 1958-4-13 Riverside Highway 60-70 east of Indio, 1/2 mile east of Cactus City, 200 yards left from bridge 50 yards from wash. 457 Comment
  RSA335005  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Rd., 10.4 miles west of Rancho California. Where east branch of De Luz creek first crosses the road Comment
  UC718285  Hoita orbicularis Carl B. Wolf 1936-6-17 7964 Riverside Tenaja Rd 1 mi s La Cienaga (headwaters of creek); Santa Ana Mts., San Mateo Creek 609 Comment
  UCD63683  Holodiscus discolor var. microphyllus D. Sanchez-Mata; Richard Halsey 2006-6-28 s.n. Riverside Corona. Cleveland National Forest. Santa Ana Mountains. Indian Truck Trail from Corona. 1110 Comment
  RSA608533  Hordeum intercedens D. E. Bramlet 1996-4-18 2456 Riverside San Jacinto Wildlife Area, approximately 762 m. northeast of Lakeview. The site is found 122 m. east of Davis road and 40 m. north of Marvin Road., ~37 44 856mN X 4 88 940mE 434 Comment
  UCR234425  Hordeum intercedens 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
  UCR97284  Hordeum intercedens Scott D. White 1993-4-30 1315 a Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA601079  Hordeum marinum subsp. gussoneanum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18120 Riverside Morongo Indian Reservation, SE edge of Burro Flats., T2S R1E S14, SE.4; 33 deg 59.5'N, 116 deg 51'W 1100 Comment
  RSA0063031  Hordeum marinum subsp. gussoneanum Andrew Haimov, April Sleigh 1992-5-10 85 Riverside San Jacinto Wildlife Area next to reclaimed water storage area, approximately 1 1/2 miles east of Davis Road. Comment
  RSA575992  Hordeum vulgare Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region; upper 'Santa Rosa Canyon' east of the Gavilan Plateau along Santa Rosa Road. 1/4 mile east of the stream crossing. 640 Comment
  CAS-BOT-BC148570  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  RSA85233  Horkelia clevelandii F. W. Peirson 1924-7-28 5006 Riverside Pine Flats on road from Banning to Idyllwild 1799 Comment
  RSA433950  Horsfordia alata Marjorie D. Clary 1930-04 s.n. Riverside Canyon near Coachella 19 Comment
  UCSC008082  Hosackia oblongifolia var. oblongifolia Peter Kamb 1947-6-7 560 b Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  RSA6022  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3939 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  RSA740922  Hydrocotyle ranunculoides Scott D. White, Justin M. Wood 2008-7-9 12421 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  UCR109737  Hydrocotyle ranunculoides R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR92447  Hydrocotyle ranunculoides A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18113 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR132491  Hymenoclea salsola Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UCR41553  Hymenoclea salsola A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6107 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA0009846  Hymenoclea salsola Marcus E. Jones 1924-2-27 s.n. Riverside Near Blythe. Comment
  RSA613451  Hypochaeris glabra D. L. Banks, Victor Steinmann 1997-3-13 1441 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR120197  Hypochaeris glabra Mitch Provance 1998-3-6 143 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  CAS-BOT-BC219731  Hyptis emoryi R. F. Hoover 1966-10-15 10164 Riverside Dead Indian Canyon Comment
  JOTR35353  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA0105947  Hyptis emoryi Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA38873  Hyptis emoryi E. A. Purer 1933-3-25 4980 Riverside Palm Springs. Comment
  UCSB5686  Hyptis emoryi Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center on Highway 60 & 70. Comment
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Nov 23 2014
  CDA5543  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside Northwest of Neighbors Boulevard & Avenue 22, 1.4 miles north of Ripley. 0 Comment
  RSA772331  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4511 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR281878  Isocoma menziesii Mitch Provance 2012-11-9 1112- 18 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  CSUSB955  Isomeris arborea Linda Stangor 1974-5-16 Riverside Along highway 60, 6 miles northwest of Palm Springs 152 Comment
  UCR104629  Iva axillaris D. E. Bramlet 1996-4-15 2453 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, SW corner of reserve; adjacent to the existing maintenance road and 105 m north of the Ramona Expressway. 433 Comment
  UCR189776  Juglans nigra Kimberly Skahan 2006-10-6 38 Riverside Peninsular Ranges, Santa Ana Mountains, Santa Margarita Ecological Reserve Comment
  SEINET10533289  Juncus acutus var. sphaerocarpus David B. Dunn 1946-3-17 Dunn 2102 Riverside In marshy area at pushawalla palms springs. Indio hills Comment
  RSA304348  Juncus bryoides Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2972 Riverside Kenworthy Forest Station on Route/ Highway 74 in Garner Valley, San Jacinto Mountains. Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  POM184651  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  UCR98899  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM122518  Juncus mexicanus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SD241644  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35564 Riverside Peninsular Range: San Jacinto Mountains: May Valley c. 1.25 miles SW of Fleming Ranch, slope below May Valley Road toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Road (Idyllwild 7.5'Q) 1555 Comment
  UC1105690  Juncus textilis E. K. Balls and P. C. Everett 1957-11-13 22800 Riverside n side Snow Creek 701 Comment
  RSA304314  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3481 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2.0 miles S of Highway 74 (Pines to Palms Highway). 1585 Comment
  UCR116577  Juncus xiphioides D. L. Banks, E. H. Banks 1996-5-2 948 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  JEPS48239  Juniperus californica W. L. Jepson 1928-4-25 12583 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
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Oct 9 2010
  SEINET2163665 Image available Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi below Cottonwood Springs Comment
  UC1302250  Justicia californica Robert Rutherford 1964-4-12 33657 Riverside ca. 1 mi. w. of turnoff to Cottonwood Wells (along Hwy. 60-70) Comment
  RSA0103624  Kallstroemia parviflora Duncan S. Bell 2015-9-30 8650 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CAS-BOT-BC235503  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  CDA33347  Keckiella antirrhinoides Mike Lahti 2010-5-2 PDR# 1358675 Riverside East Hemet. 0 Comment
  RSA424814  Keckiella antirrhinoides E. Crow 1929-4-7 285 Riverside Southwest of Corona. Comment
  RSA772140  Keckiella antirrhinoides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4974 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  SEINET10956018  Keckiella antirrhinoides var. antirrhinoides Greg Gust, Leith Nye 2005-3-11 Gust 544 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UCR104940  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20698 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
  CAS-BOT-BC246208  Keckiella rothrockii J. Ewan 1930-8-31 2151 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  GMDRC6555  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UC38717  Koeleria macrantha H. M. Hall 1901-6 2376 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  UCR17325  Krameria erecta Loretta Bates 1978-4-15 s.n. Riverside Chuckwalla Mtns, Corn Springs Road, c. 1 mi east of Corn Springs Campground Comment
  RSA651632  Krameria grayi T. Strid 1972-4-30 s.n. Riverside Corn Springs C.G. 1677 Comment
  RSA774499  Krameria grayi Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4421 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR147739  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11256 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
  RSA0011202  Krameria grayi Martha Hilend 1928-4-15 171 Riverside Colorado Desert near Thousand Palms. Comment
  UCR96882  Lamarckia aurea Scott D. White 1993-3-12 1185 Riverside Near Winchester 466 Comment
  UCR133687  Lamium amplexicaule 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
  RSA727007  Larrea tridentata Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1444 Riverside Along Palen Road near Hwy 177. 170 Comment
  SD229309  Larrea tridentata Dick Schwenkmeyer 2013-6-11 916 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  VVC519  Larrea tridentata W. W. Mayhew 1959-2-3 s.n. Riverside Colorado Desert, 10 miles east of Desert Center. 198 Comment
  SD152780  Lastarriaea coriacea Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7364 Riverside San Mateo Canyon Wilderness area, Los Alamos Canyon at mouth of Wild Horse canyon 410 Comment
  SD119901  Lasthenia californica Robert McAllister 1969-4-21 343 Riverside San Jacinto Valley; from area near Avery Canyon. 490 Comment
  RSA716422  Lasthenia coronaria Scott D. White 2006-4-27 11308 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR152634  Lasthenia coronaria A. C. Sanders 2005-4-22 29588 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR29355  Lasthenia coronaria M. G. McLeod, D. J. Keil 1977-3-26 K12010- 01 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  UCR91214  Lasthenia coronaria Scott D. White 1996-3-31 3865 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR182430  Lasthenia glabrata subsp. coulteri Mitch Provance 2005-5-17 6555 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
  RSA0013707  Lasthenia gracilis LeRoy Gross, Grace Cho 2013-4-9 6003 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA524596  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3911 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA603428  Lasthenia gracilis K. Watkins, Elizabeth McClintock 1937-4-9 s.n. Riverside Meadow between Hemet and Winchester Comment
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Mar 20 2011
  RSA708425  Lasthenia gracilis Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SBBG98246  Lasthenia gracilis M. V. Hood 1945-3-25 Riverside Cottonwood Crk near Aguanga 609 Comment
  SD224958  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to toll Rd. Cyn.).A few plants at terminus of Marion Ridge Rd, near radio facility, in open forest. 1700 Comment
  RSA25609  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1941-6-29 10925 Riverside 2 4/10 mi. W of Dripping Springs Forest Service Camp on Rd. between Aguanga & Temecula. 457 Comment
  RSA606059  Lathyrus vestitus var. alefeldii R. S. Woglum 1937-5-22 586 Riverside Santa Rosa Mountains. Comment
  POM4846  Layia glandulosa H. M. Hall 1902-4-22 15554 Riverside Vicinity of Riverside County. 305 Comment
  RSA660653  Layia platyglossa Giancarlo Massarotto 1981-4-11 31 Riverside Calico Road 11 miles east of Corona land mark. 200 yards S. of the road on hills SE of S Mathews Lake. 610 Comment
  UCR228924  Layia platyglossa A. C. Sanders, Nathan Moorhatch 2011-3-22 38796 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR239891  Layia platyglossa O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR250908  Layia platyglossa A. C. Sanders 2014-4-18 41024 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCSB37773  Layia platyglossa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns. Comment
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May 24 2013
  RSA450741  Layia platyglossa subsp. platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  RSA500976  Layia platyglossa subsp. platyglossa Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3153 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA741206  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11961 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  UCR109459  Lepidium A. C. Sanders, G. Helmkamp 1997-3-15 19978 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR76169  Lepidium densiflorum A. C. Sanders 1993-4-1 13668 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR112961  Lepidium fremontii B. G. Pitzer, T. Tennant 1998-2-21 3541 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  RSA769496  Lepidium nitidum var. nitidum Justin M. Wood 2010-3-19 1426 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  SD229115  Lepidium virginicum subsp. menziesii Dick Schwenkmeyer 2011-8-25 649 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA65796  Lepidium virginicum var. pubescens F. W. Peirson 1922-5-21 3031 Riverside Along east side of Hemet Valley 1357 Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA741017  Lepidium virginicum var. virginicum Scott D. White, Justin M. Wood 2008-6-18 12234 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  JOTR35237  Lepidospartum squamatum Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, below Eureka peak on west boundary Comment
  UCR39350  Leptochloa filiformis A. C. Sanders 1985-8-24 5947 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  RSA370866  Leptochloa fusca subsp. uninervia R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61276 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  SEINET3412102 Image available Leptochloa fusca subsp. uninervia Unknown 1987-8-19 8054 Riverside 2 km south of Ripley. Along an irrigation ditch at edge of a cotton field. Forming large and conpicuous clumps. Locally common 15 Comment
  UC449744  Leptodactylon californicum F. M. Reed 1903-3-26 681 Riverside Wilder's Canyon Comment
  VVC382  Leptodactylon californicum Markell Kohn 1959-4-19 s.n. Riverside San Jacinto Mtns., On Banning-Idyllwild rd, 9.1 mi N. (below) Grande Vista (sic - Vista Gran) Ranger Sta. 724 Comment
  POM10413  Leptosiphon liniflorus Charlotte M. Wilder 1904-5-30 s.n. Riverside Wilder's Canyon, Jurupa Hills. Comment
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Nov 6 2011
  RSA468532  Leptosiphon liniflorus N. C. Cooper 1944-5-20 2651 Riverside Palm Springs. 137 Comment
  SEINET8483157 Image available Leptosyne californica W. V. Apton 1969-4-20 171 Riverside Rte 71, 15 mi S of Corona 229 Comment
  CAS-BOT-BC339370  Lessingia glandulifera var. glandulifera John F. Emmel 1970-9-24 328 Riverside Highway between Idyllwild and Mountain Center, San Jacinto Mts. 1524 Comment
  RSA125202  Lessingia glandulifera var. glandulifera E. K. Balls, P. C. Everett 1957-8-20 22678 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  SBBG94651  Lessingia glandulifera var. glandulifera S. D. White 1990-10-8 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  SDSU1091  Leymus condensatus A. H. Gallup 1948-6-12 226 Riverside San Jacinto Mt. Road from San Jacinto. 835 Comment
  RSA368915  Lilaea scilloides S. B. Parish 1890-03 s.n. Riverside Near Colton. Comment
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Sep 24 2016
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  JEPS62043  Lilium parryi Carl V. Meyer 1928-7-24 518 Riverside Idyllwild; San Jacinto Mt. Comment
  UC63838  Lilium parryi H. M. Hall 1898-6-30 963 Riverside San Jacinto Mt. 1828 Comment
  UCR225159  Limosella acaulis Steve Boyd, Gary Wallace 2005-7-30 11647 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 2683 Comment
  RSA192027  Linanthus androsaceus subsp. luteolus E. W. Lathrop 1966-5-16 6326 -a Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  JOTR31080  Linanthus aureus subsp. aureus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2343 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  POM364589  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-7 2039 Riverside S. Hemet. Comment
  RSA395904  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-22 1779 Riverside Gavillian Hills: Plateau remnant on ridge E of Estelle Mountain, S of Dawson Canyon. Comment
  UC23558  Linanthus floribundus subsp. glaber A. J. McClatchie Apr 1892 37 Riverside near Elsinore Comment
  RSA0122716  Linanthus floribundus subsp. hallii Duncan S. Bell, LeRoy Gross 2016-3-30 9154 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA777825  Linanthus jonesii J. Andre, G. L. Clifton 2011-2-22 17457 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  UCR22120  Linanthus lemmonii Steve Boyd 1980-4-13 126 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR19163  Linanthus liniflorus John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  RSA690947  Linanthus maculatus Scott D. White, Michael Honer 2003-5-13 9241 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Feb 3 2012
  UC23776  Linanthus parviflorus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR93839  Linanthus parviflorus Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro Comment
  UCR41453  Linaria bipartita B. G. Pitzer 1986-2-22 0017 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  RSA585514  Linaria canadensis D. L. Banks, Steve D. Boyd 1995-5-9 376 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  SDSU8155  Linum lewisii Gerald Collier 1951-5-27 Riverside San Jacinto Mtns. About 4 miles west of Pinon Flats. State Hwy 74, about 10 yds. from roadside. Comment
  POM127859  Linum lewisii P. A. Munz 1922-6-27 5848 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  RSA523535  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM10221  Lobelia cardinalis subsp. graminea Anonymous 1903-8-23 436 Riverside Spring Brook west of Elliotta. [City of Riverside] Comment
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Jan 5 2015
  UCR20687  Loeflingia squarrosa O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  JOTR37464  Loeseliastrum matthewsii Hodges, Stephen, T. Green 2016-5-5 586 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA444568  Loeseliastrum matthewsii Anonymous 1988-3-23 4212 Riverside Hwy 62 immediately E of robinson Rd., W of Twentynine Palms. Comment
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Dec 5 2014
  RSA468341  Loeseliastrum schottii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  SEINET251733 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -5 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 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
  UC1424821  Lomatium dasycarpum subsp. dasycarpum C. W. Tilforth and Dorothy Tilforth 1977-3-6 1263 Riverside 0.3 mi. e. El Cariso Forest Station (w. of Lake Elsinore, Hwy. 74 & Forestry Rd. 6S06) Comment
  SD137925  Lomatium lucidum Darin L. Banks 1995-4-11 177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 835 Comment
  SEINET7040184  Lomatium utriculatum A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  CAS-BOT-BC234807  Lonicera subspicata Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA38362  Lonicera subspicata var. denudata P. A. Munz 1946-10-19 11567 Riverside 1 miles east of Anza. 1159 Comment
  SD143959  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 Riverside Bautista Canyon, Hixon Trail (USFS no. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at ca 3200 ft. 790 Comment
  UCR97256  Lonicera subspicata var. denudata Scott D. White 1997-2-9 4684 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCR48376  Lonicera subspicata var. johnstonii Steve Boyd 1986-5-7 1831 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA605678  Lotus R. S. Woglum 1939-4-11 2219 A Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  RSA645617  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  SEINET3224411  Lotus argophyllus G. Goodwin 2012-6-15 3465 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  POM13999  Lotus argophyllus var. argophyllus E. C. Jaeger s.n. Riverside Santa Rosa Mountains, Colorado Desert Comment
  POM9225  Lotus argophyllus var. argophyllus I. M. Johnston 1920-5-8 2237 Riverside Butte west of Lakeview 610 Comment
  SDSU13582  Lotus corniculatus W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UC489022  Lotus grandiflorus C. V. Meyer 1929-6-13 751 Riverside Idyllwild Grade San Jacinto Mts. 1524 Comment
  UCR9383  Lotus grandiflorus D. H. Wilken 1965-6-29 367 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  RSA195479  Lotus heermannii C. R. Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  SEINET238655 Image available Lotus heermannii A. C. Sanders, T. Schram; D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains: north slope of the mtns.; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek 915 Comment
  UCR110971  Lotus nevadensis var. nevadensis George K. Helmkamp 1998-6-27 4130 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  POM12852  Lotus oblongifolius P. A. Munz 1922-6-23 5778 Riverside Garner Ranch, Hemet Valley 1372 Comment
  JEPS55548  Lotus oblongifolius var. oblongifolius Carl V. Meyer 1928-7-24 516 Riverside Falls Creek Idyllwild 1889 Comment
  RSA720599  Lotus purshianus T. Tennant, T. B. Salvato 1998-6-23 MOR- 486 Riverside Morongo Indian Reservation, N end of Hathaway Cyn., ca. 0.4 miles E of pk 4265 (polygon 13). 1341 Comment
  RSA406788  Lotus rigidus M. B. Dunkle 1938-4-3 5243 Riverside S. of Nightengale Comment
  RSA406795  Lotus rigidus Christopher Davidson 1973-4-19 1977 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  SEINET3131519  Lotus rigidus L. S. Rose 1935-12-23 35694 Riverside Colorado Desert, above Deep Canyon, San Jacinto Mts., 22 mi S of Cathedral City 1067 Comment
  RSA406823  Lotus salsuginosus var. salsuginosus M. B. Dunkle 1934-3-18 3862 Riverside Moreno 488 Comment
  RSA676100  Lotus salsuginosus var. salsuginosus Scott D. White 2001-4-3 8270 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR68619  Lotus salsuginosus var. salsuginosus Steve Boyd, D. E. Bramlet 1990-4-29 4501 Riverside Lake Skinner County Park, SE base of Bachelor Mtn. Comment
  UCR262274  Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-13 32279 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  JOTR30250  Lotus scoparius var. brevialatus Leary, C. and Leary, Pat 1979-5-5 2982 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  JOTR31044  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR155298  Lotus scoparius var. brevialatus T. B. Salvato, Kent Beaman 2005-5-16 793 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
  RSA319651  Lotus scoparius var. scoparius Patricia Wilder 1971-5-13 4945 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  RSA510029  Lotus scoparius var. scoparius B. Pitzer, E. Misquez 1988-2-28 624 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA406364  Lotus strigosus J. D. Olmsted 1962-5-10 3640 Riverside Potrero country along S Divide truck trail, SE end of Santa Ana Mts., SSW of Lake Elsinore. 945 Comment
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Apr 1 2011
  RSA755054  Lotus strigosus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52020 Riverside Chino Canyon. Comment
  RSA757799  Lotus strigosus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4288 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA782088  Lotus strigosus Duncan S. Bell 2009-3-7 5 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR113166  Lotus strigosus A. C. Sanders 1998-3-11 21677 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR282309  Lotus strigosus Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 839 Riverside Sonoran (Colorado) Desert, Chocolate/Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine' 451 Comment
  POM9020  Lotus strigosus P. A. Munz, R. D. Harwood 1920-3-20 3392 Riverside Alberhill near Elsinore. 366 Comment
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May 28 2011
  POM7046  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2390 Riverside Palm Springs. (Cabazon) 543 Comment
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Mar 13 2011
  CLARK-A1528-2812  Lotus tomentellus John C. Roos 1937-4-18 1355 Riverside Whitewater Comment
  RSA406374  Lotus tomentellus N. C. Cooper 1936-1 2164 Riverside West side of Colorado Desert. 30 Comment
  RSA774113  Lotus unifoliolatus Duncan S. Bell, Colleen Wheeler 2010-7-19 1624 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  RSA498730  Lotus wrangelianus Mark Morris, Richard C. Barkelew 1929-3-3 13717 Riverside Perris, Riverside Comment
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Nov 9 2011
  SD148100  Ludwigia peploides G. K. Helmkamp, E. A. Helmkamp 2000-8-29 5981 Riverside Colorado Desert.: South of Mecca, where Lincoln St. crosses the Whitewater River. About 0.5 miles from the Salton Sea. One large cluster beside the river water. 67 Comment
  UCR51134  Lupinus Jack Easton 1988-5-2 s.n. Riverside Peninsular Range, Anza area 1189 Comment
  CHSC8469  Lupinus arizonicus Edward Laidlaw Smith 1958-3-21 474 Riverside 2 mi. e. Indio on Hwy 60. Salton Sea drainage area. San Bernardino Mt. Range. Comment
  JEPS64934  Lupinus arizonicus W. L. Jepson 1928-4-23 12553 Riverside wash 2 1/2 mi below Cottonwood Springs; Cottonwood Mts., below Cottonwood Spring 487 Comment
  SEINET2062825  Lupinus arizonicus B. Pitzer 1998-1-24 3399 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd., Si side of Hwy I-10, 0.8 mi S of Hwy at powerline rd & wash directly S of rd. 499 Comment
  UC279692  Lupinus arizonicus Edmund C. Jaeger 1926-2-20 Riverside near Salton Sta. (Canyon Springs); near Salton Sta., Canyon Springs Comment
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Jan 21 2008
  UCR112090  Lupinus arizonicus A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23364 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  SEINET10870660  Lupinus arizonicus David B. Dunn 1947-3-15 Dunn 2883 Riverside Pushawalla Canyon, Indio Hills. In wash. None f the plants on the plateau or slopes reached maturity; all died from drought. Comment
  RSA735922  Lupinus bicolor Scott D. White, Jamie Minor 2008-3-13 11770 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  UC1595796  Lupinus bicolor W. Wisura, A. King, and L. Newcomb 1992-4-10 4672 Riverside Stubbe Canyon n West Palm Springs (Gorgonio Pass); , Stubbe Canyon Comment
  UCR178837  Lupinus bicolor T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 B Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCR201472  Lupinus bicolor Scott D. White, Justin M. Wood 2008-6-5 12083 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 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
  UC488991  Lupinus concinnus C. V. Meyer June 1927 194 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1615 Comment
  UCD84940  Lupinus concinnus Chuck Hughes 2010-3-23 212 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  UCR16230  Lupinus concinnus A. C. Sanders 1973-4-28 00347 Riverside Peninsular Range; San Jacinto Mtns., east of Garner Valley, along switchbacks in trail from Morris Ranch Road to Cedar Springs 2012 Comment
  UCR17968  Lupinus concinnus A. C. Sanders 1976-4-20 00346 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  SEINET10937077  Lupinus densiflorus August J. Breitung 1953-4-26 Breitung 14773 Riverside San jacinto. Sandy field. Fls mauve, keel ciliate, lower sepal notched. Comment
  UCR110961  Lupinus excubitus George K. Helmkamp 1998-6-27 4089 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CAS-BOT-BC216699  Lupinus excubitus var. excubitus Bulletin Torrey Club 1924-9-1 s.n. Riverside Unspecified Comment
  RSA164794  Lupinus excubitus var. hallii Wesley O. Griesel 1963-5-4 771 Riverside Road between Beaumont and Oak Glen. 1067 Comment
  UC729971  Lupinus excubitus var. hallii Carl B. Wolf 1932-5-25 3687 Riverside n Banning (Gilman Ranch in the foothills, in small canyon); foothills n of Banning 853 Comment
  UCR146444  Lupinus excubitus var. hallii R. F. Thorne, Et al. 1969-6-24 38129 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA104452  Lupinus formosus Alice Eastwood, John T. Howell 1941-5-16 9634 Riverside Walker Pass, Kern County Comment
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Oct 19 2012
  SBBG47514  Lupinus formosus M. B. Dunkle 1933-7-19 3669 Riverside Tahquitz Valley 2438 Comment
  RSA5014  Lupinus hirsutissimus Dorothy R. Wolf 1932-3-20 14 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  SD187407  Lupinus hirsutissimus Scott D. White, Angelia Carey 2004-4-16 10194 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  RSA90133  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-8-19 18532 Riverside North of Fullermill Co., 1.3 miles north of Black Mt, Truck Trail, hwy from Banning to Idyllwild 1829 Comment
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Jul 14 2012
  RSA221043  Lupinus longifolius E. W. Lathrop 1966-5-8 6444 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SEINET13198368 Image available Lupinus microcarpus A. G. Vestal 1947-3-29 s.n. Riverside Comment
  RSA3983  Lupinus shockleyi Carl B. Wolf 1932-4-29 3121 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UCR166019  Lupinus shockleyi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UC56605  Lupinus sparsiflorus H. M. Hall Apr 1902 2903 Riverside Foothills near Coahuilla (Coahuilla); San Jacinto Mountains 762 Comment
  UCR214568  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37861 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  RSA346253  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54067 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA528095  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White 1991-4-10 91 -62 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road 518 Comment
  SBBG53743  Lupinus succulentus S. Boyd 1980-5-8 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  UCR173149  Lupinus succulentus Abby Sirulnik 2000-4-25 19 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  RSA414401  Lupinus truncatus M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  UC1506125  Lupinus truncatus R. T. Clausen 1963-4-25 63071 Riverside on ridge s Red Mt. (upper Lewis Valley unit 98); ridge s of Red Mt., upper Lewis Valley unit 98 960 Comment
  RSA0108983  Lycium andersonii Duncan S. Bell, Amanda Bell 2012-1-29 3077 Riverside Arica Mountains; collecting in the center of the range, approximately 7 air miles southwest of the ghost town of Rice, or 2 air miles west of Priests Well. 438 Comment
  RSA0126632  Lycium andersonii Duncan S. Bell 2016-3-4 8805 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA422104  Lycium andersonii H. de Forest, Jack Rempel 1937-3-15 415 Riverside South of Rice. Comment
  RSA49383  Lycium andersonii Philip A. Munz 1949-4-11 12999 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  SEINET3078088 Image available Lycium andersonii B. Pitzer 1988-3-10 659 Riverside W side of Chuckwalla Mountains, on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd (and wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  UCSB11532  Lycium andersonii Haines, Bruce 1962-4-16 Riverside 3/4 mile east of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument 1295 Comment
  RSA0048232  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 182 Comment
  UCR251344  Lythrum californicum S. J. Myers 2014-5-21 1066 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR117380  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24387 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR111531  Machaeranthera canescens subsp. canescens A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA674531  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  CAS-BOT-BC206694  Malacothamnus densiflorus Ynez W. Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  RSA433321  Malacothamnus fasciculatus J. D. Olmsted 1962-5-10 3614 Riverside L. Matthews Road ca. 1/2 mi. W of dam. 427 Comment
  UCR201462  Malacothamnus fasciculatus Scott D. White, Justin M. Wood 2008-7-10 12444 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UC454926  Malacothamnus fasciculatus var. fasciculatus I. J. Condit 1910-6-24 Riverside San Jacinto River Valley Comment
  CAS-BOT-BC345424  Malacothrix clevelandii John Thomas Howell 1931-5-30 6590 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  JEPS36766  Malacothrix clevelandii W. L. Jepson May 17 1901-Jun 1 1901 1285 Riverside Strawberry Valley San Jacinto Mt. Comment
  UCR59693  Malacothrix clevelandii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3539 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC347696  Malacothrix glabrata Paul F. Covel 1938-4-21 1185 Riverside Just east Banning Comment
  RSA739852  Malacothrix glabrata J. L. Strother 2008-3-10 1369 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  UCD159796  Malacothrix glabrata Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  CAS-BOT-BC347894  Malacothrix saxatilis var. tenuifolia Katherine Esau 1935-6-20 s.n. Riverside Beaumont Grade Comment
  POM114622  Malacothrix stebbinsii A. M. Alexander, Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms 1311 Comment
  UCD116864  Malosma laurina R. Tofsrud 1951-4-25 s.n. Riverside Corona to Elsinore. Comment
  CSUSB1015  Malva parviflora Leland R. Dykes 1962-4-22 46 Riverside Palomar Road at San Mateo Canyon turnoff, in Murrieta. Comment
  RSA575924  Malvella leprosa Steve Boyd, D. L. Banks 1994-9-29 8364 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  SEINET11924833  Mammillaria tetrancistra S. B. Parish, Parish, W. F. 1881-1 162 Riverside Whitewater Comment
  VVC191  Marah macrocarpa A. C. Sanders, J. Mac 1997-5-4 20668 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA612361  Marah macrocarpa var. macrocarpa D. L. Banks, Joe Moreno 1997-2-5 1261 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,, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  CLARK-A1703-1199  Marina orcuttii Robin L. Kobaly 1977-3-31 Riverside Santa Rosa Mountains 1402 Comment
  JEPS121576  Marina parryi Adam C. Schneider with Will Freyman 2014-2-16 409 Riverside East side of Highway 177. Comment
  POM128975  Marina parryi Childs 1920-12-1 s.n. Riverside Martinez Canyon, Santa Rosa Mts, Colorado Desert Comment
  UC665892  Marina parryi Ira L. Wiggins 1941-3-27 9672 Riverside 8 mi ne Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  SEINET7843690  Marina parryi E. Neese 1979-4-11 7099 Riverside Between Blythe & Rice, 11 mi. nw of Blythe 305 Comment
  CSUSB1680  Marrubium vulgare Jeanne Cox 1973-7-16 Riverside Near 91 freeway in Riverside. 304 Comment
  UCR126979  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-9 26581 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA747965  Matricaria occidentalis Justin M. Wood 2009-5-15 712 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  POM13828  Meconella denticulata P. A. Munz 1922-4-28 5040 Riverside Leach Canyon 610 Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  UC1922000  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes. Comment
  OBI37483  Medicago sativa Steve Boyd 1985-7-23 1007 Riverside De Luz Rd, 5.5 mi W of Rancho Calif 396 Comment
  UCR171736  Melasphaerula ramosa O. F. Clarke, A. C. Sanders 2006-4-4 s.n. Riverside Riverside, UCR Botanical Garden 335 Comment
  CAS-BOT-BC269428  Melica californica I. M. Johnston 1918-5-30 2011 Riverside Temescal Canon [Canyon] 365 Comment
  CAS-BOT-BC281602  Melica imperfecta W. A. Silveus 1938-4-16 2646 Riverside Near Elsinore Comment
  CHSC109712  Melica imperfecta Scott D. White 2003-3-21 8821 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  SEINET7097940  Melica imperfecta A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UCR121098  Melica imperfecta A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24981 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCSB39324  Melica imperfecta Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment
  SD137761  Melilotus indicus Darin L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Wilderness Area; north sloope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR82224  Melilotus indicus J. M. Stewart 1994-5-2 853 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  UCR9107  Mentha X piperita O. F. Clarke 1969-9-28 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce Street 305 Comment
  RSA524580  Mentzelia affinis Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4127 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  POM183473  Mentzelia involucrata var. megalantha J. Ewan 1930-4-18 3085 Riverside Dry Morongo Creek below Morongo Valley, Riverside County Comment
  RSA592004  Mentzelia laevicaulis Frederick W. Oettinger 1968-10-23 819 Riverside San Bernardino Mts, Whitewater Canyon, 10milesNNW of Palm Springs, Comment
  RSA652294  Mentzelia laevicaulis Dick Crowell 1949-3-25 s.n. Riverside Collected 15 miles east of Indio on Hwy 60. 1/2 mile off road. 457 Comment
  SFV2377  Mentzelia laevicaulis A. M. Johnson 1932-8-18 4131 Riverside San Jacinto Mountains Along road on east side of mountains. Comment
  UCR199577  Mentzelia laevicaulis Scott D. White, Angelia Carey 2004-7-2 10580 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SD62566  Mentzelia longiloba var. longiloba W. D. Asserson Mar 1966 Riverside Big Maria Mountains, Point, Quien Sabe, 20 miles north of Blythe 149 Comment
  CLARK-A1045-870  Mentzelia veatchiana George K. Helmkamp 1978-6-1 #4 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA356983  Micropus californicus R. F. Thorne 1973-5-23 43870 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  SBBG101787  Micropus californicus S. Boyd with Mistretta 1991-5-9 6179 Riverside lower flank along Bedford Truck Trail on ridge between Bedford and McBride Cyns Comment
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  UCR213305  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37702 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR225609  Microseris lindleyi A. C. Sanders 2011-3-29 38835 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  UCR230188  Microseris lindleyi A. C. Sanders 2011-4-6 38988 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA0018771  Mimetanthe pilosa Philip A. Munz 1922-6-30 5913 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  UCR84594  Mimulus Scott D. White, S. Ogg 1994-4-21 1961 Riverside San Bernardino Mtns., Millard Canyon, near jct of E and W forks of USFS Road 2S05, c. 2.5 mi south of Bear Wallow Spring. 976 Comment
  UC1979589  Mimulus aurantiacus D. L Banks, Steve Boyd 1995-6-2 0560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 miles S of the clay grassland in section 32. Comment
  UCD122229  Mimulus aurantiacus Maureen H. Pendleton 1988-2-1 s.n. Riverside Ca. 2 1/2 mi. S of Temecula between I-215 and Rainbow Canyon Road. 411 Comment
  POM8473  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2291 Riverside Butte west of Lakeview. 610 Comment
  UC922688  Mimulus aurantiacus var. pubescens Annie M. Alexander and Louise Kellogg 1940-3-21 888 Riverside 20 mi s Twenty Nine Palms (Barker Dam); Mohave Desert 1322 Comment
  UC943877  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  PASA114  Mimulus bigelovii R. E. Merrill Riverside Palm Canyon Comment
  POM10944  Mimulus bigelovii var. bigelovii P. A. Munz, D. Deck 1922-4-9 4826 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA311150  Mimulus bigelovii var. bigelovii H. K. Sharsmith 1952-4-11 4061 Riverside Lost Palms Canyon, EAgle Mountain, Ca. 2 mi. from Shaver summit. 671 Comment
  CLARK-A1045-336  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  RSA408172  Mimulus brevipes N. C. Cooper 1944-5-21 1223 Riverside Hemet. 549 Comment
  RSA527878  Mimulus brevipes Scott D. White 1991-5-10 91 -156 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR133438  Mimulus brevipes Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 207 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  RSA704861  Mimulus cardinalis J. B. B. 1934-6-18 s.n. Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  UCR167797  Mimulus cardinalis T. B. Salvato, Melissa Clemons 2005-6-23 1315 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR168408  Mimulus fremontii E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains, along Stone Creek 1707 Comment
  UCR26638  Mimulus fremontii var. fremontii E. W. Lathrop 1966-5-29 6375 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR174626  Mimulus guttatus Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  UCR41315  Mimulus guttatus N. M. Fellows, A. C. Sanders 1985-5-7 181 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  JEPS10962  Mimulus inodorus Carl V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat (Hannah's Sawmill); San Jacinto Mts. 1828 Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  CDA28897  Mimulus longiflorus Mike Lahti 2009-4-28 PDR# 1501678 Riverside San Jacinto, 950 North Ramona Boulevard near State Street. 0 Comment
  UC27063  Mimulus moniliformis H. M. Hall 1897-8-11 805 Riverside San Jacinto Mountains Comment
  UCR18180  Mimulus rubellus A. C. Sanders 1978-4-30 944 Riverside Santa Rosa Mtns, Pinyon Flats area; along the Cactus Springs trail between the dolomite mine and Horsethief Creek 1220 Comment
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May 25 2008
  UCR25551  Mirabilis californica John C. Roos 1941-4-25 162 Riverside Plateau in Reche Canyon Comment
  UCR28958  Mirabilis californica var. californica M. G. McLeod, David J. Keil 1977-3-26 12008 Riverside 0.2 mi NW of Prado Dam on California Hwy 71 183 Comment
  CLARK-A1528-3924  Mirabilis laevis Charles S. Papp 1965-5-5 822 Riverside Highgrove Comment
  UCR127347  Mirabilis laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25851 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR176753  Mirabilis laevis Jennie Phui 1998-5-30 041 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  POM14174  Mirabilis laevis var. crassifolia P. A. Munz 1922-4-9 4754 Riverside Palm Springs. 76 Comment
  SJSU1864  Mirabilis laevis var. crassifolia J. W. Tilden 1957-4-18 1096 Riverside near Whitewater E of San Gorgonio Pass Comment
  UC1228586  Mirabilis laevis var. crassifolia C. L. Hitchcock and C. V. Muhlick 1962-3-16 22148 Riverside Temescal Canyon, ca, 12 miles SE of Corona Comment
  RSA772129  Mirabilis laevis var. retrorsa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4827 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
  RSA784965  Mirabilis laevis var. retrorsa Duncan S. Bell 2012-3-18 3229 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  POM158427  Mirabilis laevis var. villosa P. A. Munz 1927-5-21 10885 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  RSA0120233  Mirabilis multiflora Duncan S. Bell, Thomas Stoughton 2016-4-14 9285 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  SBBG14041  Mirabilis multiflora E. R. Blakley 1961-9-12 4716 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  CHSC1807  Mohavea confertiflora L. Oliver; D. Sloan 1935-4-17 Riverside North Colorado desert. Comment
  RSA778206  Mohavea confertiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 800 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA78452  Mohavea confertiflora Verne Grant, Alva Grant 1952-4-1 17517 Riverside 9 miles E of Mecca Comment
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Dec 13 2011
  SEINET10548358  Mohavea confertiflora David B. Dunn 1946-2-22 Dunn 1966 Riverside Collected in mud flats dry, caked and split. All american canal catch basin from Desert washes. Oracopia mts ne of the saltan sea. Very arid country. Comment
  UCR100127  Mollugo cerviana B. G. Pitzer 1997-10-19 3356 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
  SEINET4082822  Monardella breweri subsp. lanceolata O. M. Clark 1932-1 5113 Riverside South Hemet. Comment
  RSA587580  Monardella lanceolata D. L. Banks, Steve Boyd 1995-6-15 704 Riverside NW Palomar Mountains; Agua Tibia Mountains; Devils Hole area, NNE of the Crosley Homestead; On the Crosley Road, approximately 0.2 miles N from its junction with the Cutca Road. 732 Comment
  UCR121211  Monardella lanceolata D. E. Bramlet 1989-5-19 1871 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  RSA180383  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-6-9 4944 Riverside 14 miles west of Murrieta. Comment
  RSA282906  Monardella lanceolata var. lanceolata C. W. Tilforth, John Dourley 1980-8-15 2066 Riverside Off Hwy 74 on north leg og Thomas Mtn Road, south of Lake Hemet, west of Hwy 74. Comment
  IRVC2054  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 280 Riverside Santa Rosa Mtns: Palms to Pines Hwy. Peninsular Ranges 1098 Comment
  LA96106  Monardella nana Elizabeth McClintock; 1941-6-8 60 Riverside rd to Santa Rosa Mts. 1.5 mi above Pines to Palms Hwy Comment
  LA96109  Monardella nana Elizabeth McClintock; 1941-6-8 69 Riverside 3 mi. E of Ribbonwood Camp, Pines to Palms Hwy Comment
  RSA750399  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 10 Riverside 2 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  RSA750409  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 64 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  POM229026  Monardella nana subsp. tenuiflora P. A. Munz 1937-5-31 15114 Riverside Head of Coyote canyon 1067 Comment
  UCR221464  Monardella nana subsp. tenuiflora Elizabeth McClintock, Harlan Lewis 1941-6-22 074 Riverside Peninsular Range; San Jacinto Mtns., 1.5 miles from the snow gate, on road to Black Mtn. 2043 Comment
  UCR221474  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 116 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  CAS-BOT-BC248291  Monardella robisonii A. C. Sanders; Mark Elvin 2001-8-17 24594 Riverside Mojave Desert, LIttle San Bernardino Mtns: trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UCR121823  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24605 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  JEPS20718  Monoptilon bellioides Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13238 Riverside 11.3 mi n Blythe (U. S. 95); Big Maria Mts. Comment
  JOTR16607  Monoptilon bellioides Vanderspek & Youse 1964-4-19 64517 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  POM13290  Monoptilon bellioides E. C. Jaeger 1921-4-12 141 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  RSA730041  Monoptilon bellioides R. F. Thorne 1973-3-30 42677 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UC1259283  Monoptilon bellioides T. J. Watson Jr. 1970-3-25 370 Riverside 20 mi n Cottonwood Springs Ranger Station (along paved road through Joshua Tree National Monument); Joshua Tree National Monument Comment
  UCR116508  Montia fontana A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 743 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR2589  Muhlenbergia microsperma F. M. Reed 1903-12-19 378 Riverside Riverside, Bluffs Ranch, Arroyo Tequesquite 293 Comment
  JOTR34100  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  UCR272675  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  RSA561420  Muhlenbergia rigens Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-9-9 7689 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA772403  Muilla maritima Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4863 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
  UC1971499  Myriopteris parryi Louis C. Wheeler 1963-3-17 8243 Riverside SANTA ROSA MOUNTAINS: Martinez Canyone. Comment
  UC407024  Nama Roxana S. Ferris 1928-4-22 7188 Riverside near Ripley s Blythe (Colorado River bottom); Colorado River bottom nr Ripley, s of Blythe Comment
  RSA516897  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-13 1414 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
  RSA715323  Nama demissa Ora M. Clark 1929-3-16 1706 Riverside South Cabazon. Comment
  UCR23564  Nama demissa John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  UCR241518  Nama demissa A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40640 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR279494  Nama demissa A. C. Sanders, Jim Malusa 2017-3-25 42992 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA700860  Nassella cernua Michael Wall 1996-5-8 148 Riverside Van Buren Blvd west of March Air Force Base, 1.5 mi west of Fwy 215, north side of road south side of Salix-filled seasonal drainage. Comment
  SEINET244824  Nassella tenuissima A. C. Sanders 2001-5-1 24067 Riverside San Bernardino Valley region: Riverside, UCR campus 335 Comment
  RSA522087  Navarretia atractyloides Steve Boyd, T. S. Ross, Kyle A. Boyd 1989-6-24 3753 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little Oak' Mtn, W of Kolb Creek drainage, N of Hwy 79. Comment
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  UCSB42146  Navarretia atractyloides Roos, John 1952-5-26 Riverside Haas ranch; Reche Canyon Comment
  RSA557348  Navarretia fossalis Julie Greene 1993-5-12 1299 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  RSA623557  Navarretia fossalis R. E. Riefner 1998-10-15 98 -520 Riverside Menefee-Paloma Valley Comment
  UC1333285  Navarretia hamata subsp. hamata Charles B. Fiker 1946-6-17 3583 1/2 Riverside San Mateo Canyon Comment
  UCR15527  Navarretia prostrata George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  SEINET10906230  Nemacladus longiflorus Vestal 1963-5-19 VESTAL s.n. Riverside About 1.5 miles northeast of Aguanga Comment
  CLARK-A1528-2374  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek Comment
  RSA525253  Nemacladus longiflorus var. breviflorus Steve Boyd, Timothy S. Ross 1990-5-11 4631 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA75139  Nemacladus rubescens F. W. Peirson 1926-1-31 6486 Riverside About 2 miles from Dos Palmas on road to Mecca, Colorado Desert. Comment
  SD5030  Nemacladus rubescens Edmund C. Jaeger 1926-2-2 Riverside CaA'on Springs, Salt Creek Wash near Dos Palmos. Comment
  SEINET10840516  Nemacladus rubescens Hall Hall 5838 Riverside Near Salton 30 Comment
  SEINET10972555  Nemacladus secundiflorus Atwood 1970-4-3 Atwood 2373 Riverside 37 miles north of Blythe on Highway 95 Comment
  POM3740  Nemophila menziesii Alice Eastwood 1904-4-4 4124 Riverside Elsinore, Riverside County. Comment
  RSA5018  Nemophila menziesii Carl B. Wolf 1932-3-20 18 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  UCR163358  Nemophila menziesii O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR41360  Nemophila menziesii N. M. Fellows 1985-3-3 88 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCR49231  Nemophila menziesii Steve Boyd 1980-5-8 1610 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR115348  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside San Bernardino Valley/ upper Santa Ana River region, Corona, SW side of I-15, between Taber and Ontario Streets 277 Comment
  SD51937  Nicotiana attenuata Reid Moran 1962-7-7 9871 Riverside On fill, by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  RSA0054919  Nicotiana attenuata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  UCR85251  Nicotiana clevelandii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16184 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UCR176697  Nicotiana glauca R. D. Goeden 1966-1-20 s.n. Riverside Riverside, UCR Campus, near reservoir 366 Comment
  RSA426700  Nicotiana glauca D. A. Young 1969-3-28 P- 302 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  GMDRC9811  Nicotiana obtusifolia J. M. Andre 2017-3-1 38037 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  RSA0018760  Nicotiana obtusifolia Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2331 Riverside Palm Canyon. 244 Comment
  RSA0018762  Nicotiana obtusifolia Robert F. Thorne 1966-10-15 41787 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  UCR183019  Nicotiana quadrivalvis Mitch Provance 2003-5-5 4427 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA628244  Nolina bigelovii A. C. Sanders, G. K. Helmkamp, O. F. Clarke, B. Pitzer, et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mountains., near ''Bob's Cabin'', 5 mi. (air) S of Hayfield Pump Station, E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo. 610 Comment
  SD229042  Nolina parryi Dick Schwenkmeyer 2012-3-26 659 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCR261565  Notholaena californica Joseph Cahill 2011-1-29 111- 08 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  CLARK-A1528-35  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  UCR142762  Notholaena parryi L. C. Wheeler 1933-12-2 2305 Riverside San Jacinto Mountains/ Sonoran (Colorado) Desert, mouth Tahquitz Canyon near Palm Springs 145 Comment
  LA206121  Oenothera avita subsp. avita Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  POM12929  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  SBBG61310  Oenothera deltoides M. N. Ackley 1928-4-1 763 Riverside Indio Comment
  POM355626  Oenothera elata subsp. hirsutissima M. B. Dunkle 1933-7-21 3736 Riverside Idyllwild. 1616 Comment
  RSA53907  Oenothera primiveris subsp. bufonis D. F. Howe 1949-3-21 s.n. Riverside 3 miles west of Blythe. Comment
  SD114198  Oenothera primiveris subsp. caulescens Darley F. Howe 1949-3-21 1957 Riverside 3.0 miles west of Blythe. Comment
  CAS-BOT-BC427463  Oligomeris linifolia A. J. McC 1892-5-1 58 Riverside Collected near Elsinore Comment
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Oct 15 2018
  JEPS25889  Oligomeris linifolia W. L. Jepson 1927-4-12 11670 Riverside ne Mecca (Painted Canyon); Colorado Desert, Painted Canyon 76 Comment
  SEINET7259279 Image available Oligomeris linifolia Ira L. Wiggins 1941-1 9581 Riverside Beach along eastern margin of Salton Sea, 3.5 miles south of Mortmar Comment
  SEINET7259337 Image available Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-1 29135 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass) 168 Comment
  POM348471  Olneya tesota Anstruther Davidson 1928-5-1 s.n. Riverside Colorado Desert. Comment
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Dec 14 2015
  RSA0107429  Olneya tesota Duncan S. Bell 2009-8-15 419 Riverside Northwest of the Arica Mountains. 300 Comment
  RSA0035854  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12 -63 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  UCR263244  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41474 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  SEINET10447233  Opuntia basilaris Billy Joe Cox 1976-1-7 Cox 4232 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  RSA0002173  Opuntia erinacea var. paucispina M. B. Dunkle 1934-11-3 4236 Riverside Ribbonwood, Santa Rosa Mt. Comment
  POM285351B  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM288042E  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  CAS-BOT-BC56230  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9459 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  SEINET8733513 Image available Orobanche californica Unknown 4-6/30 192 199 Riverside Shaven's Well Comment
  UCSB6226  Orobanche californica subsp. feudgei Ralph, F. 1959-5-17 Riverside Pines to Palms Hwy. (74), about 6.7 miles west of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  UC68716  Orobanche cooperi H. M. Hall Apr 1905 5836 Riverside Colorado Desert near Salton; Colorado Desert -30 Comment
  UC68719  Orobanche cooperi H. M. Hall 1905-5-1 5991 Riverside Colorado Desert near Indio; Colorado Desert 30 Comment
  RSA0066537  Orobanche cooperi subsp. cooperi Louis Cutter Wheeler 1952-4-5 6851 Riverside Mecca Hills: mouth of Painted Canyon. Comment
  UC455564  Orobanche fasciculata I. J. Condit 1910-6-22 Riverside San Jacinto Mountains. Comment
  RSA550045  Orthocarpus purpurascens Walter Wisura, A. King, L. Newcomb 1992-4-10 4662 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  POM13866  Orthocarpus purpurascens var. purpurascens Philip A. Munz 1922-4-29 5104 Riverside 3 miles west of Dripping Spring. 579 Comment
  RSA402102  Orthocarpus purpurascens var. purpurascens Christopher Davidson 1973-4-1 1829 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA679171  Osmorhiza brachypoda Fred M. Roberts 2003-6-25 5938 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
  POM263144  Oxytheca emarginata J. C. Roos 1941-5-10 126 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  UC64122  Paeonia californica H. M. Hall 1897-2-27 370 Riverside Rawson Comment
  UCR1212  Palafoxia arida Martha McCarthy 1960-3-13 s.n. Riverside Western Colorado Desert, [near Whitewater] side of Hwy 60/99 [now I-10], 2 miles past [east of] the Palm Springs cut-off [approx Hwy 111 junction] 396 Comment
  POM308547  Palafoxia arida var. arida Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3148 Riverside 10 miles east of Indio. Comment
  UCR104022  Palafoxia arida var. arida George K. Helmkamp, E. A. Helmkamp 1998-2-5 2660 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  CAS-BOT-BC253750  Panicum capillare Fred M. Reed 1906-7-10 1137 Riverside Riverside and vicinity. On 8th Street Comment
  SD255062  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  SD262333  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-14 417 27 Riverside Peninsular Ranges: Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way (Romoland 7.5'Q) 591 Comment
  CSUSB1138  Parkinsonia aculeata John N. Bullock 1970-5-8 Riverside Twenty meters south of Dillon Road and Berdoo Canyon Road. 30 Comment
  SBBG3283  Parkinsonia florida H. and M. Dearing 1942-4-5 4860 Riverside between Colorado River and Riverside Mtns Comment
  UCSB18152  Parkinsonia florida Easley, Bill 1964-5-10 Riverside State Highway 71, 4.1 miles S of Palm Desert 304 Comment
  UCR95742  Paspalum dilatatum D. L. Banks, V. W. Steinmann 1996-4-20 0902 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 524 Comment
  RSA793609  Pectis papposa Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4204 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal,, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  JOTR31803  Pectis papposa var. papposa La Doux, Tasha, Bill Truesdell 2007-11-9 2511 Riverside Joshua Tree National Park. Pinto Basin, where Fried Liver Wash crosses Pinto Basin Road; between Hexie and Pinto Mountains (Stop 1) 532 Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA779700  Pectocarya heterocarpa Duncan S. Bell 2010-4-2 726 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  RSA695833  Pectocarya linearis J. R. Bruff 1927-3-12 3 -j Riverside Fingal Comment
  UCR174049  Pectocarya linearis A. C. Sanders 2006-5-19 32421 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
  UCR18123  Pectocarya linearis A. C. Sanders 1978-3-26 0830 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  UCR273110  Pectocarya linearis subsp. ferocula Mitch Provance 2001-4-21 17014 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
  RSA673717  Pectocarya penicillata Scott D. White, W. LaHaye 2000-5-27 7925 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR215507  Pectocarya penicillata Daphne K. Christopher, Hannah I. Stevens 2003-4-3 079 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR249815  Pectocarya penicillata T. B. Salvato, John Lovio 2013-3-19 7351 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA0123295  Pectocarya platycarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8981 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
  UC2015648  Pectocarya recurvata A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16151 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 Cyn. Dr.) Comment
  UCD120133  Pectocarya recurvata LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1430 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 479 Comment
  RSA769769  Pectocarya setosa Duncan S. Bell, Joy England 2010-5-17 1002 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  LA209456  Pedicularis densiflora L. Street; M. Munger, G. Williams 1919-3-25 2327 Riverside Beaumont 609 Comment
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Mar 20 2014
  SD255602  Pellaea andromedifolia Mitch Provance 2012-5-24 512 18 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson Street (Beaumont 7.5'Q) 868 Comment
  UCR121313  Pellaea andromedifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25005 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  RSA686924  Pellaea mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  UCSC001083  Pellaea mucronata Peter Kamb 1947-2-1 452 Riverside Hall Canyon, San Jacinto Mts. 1158 Comment
  POM11830  Pellaea mucronata var. mucronata P. A. Munz, D. Keck 1922-4-14 4995 Riverside Colorado Desert: Mouth of Whitewater Creek 229 Comment
  POM50384  Pellaea mucronata var. mucronata W. W. Eggleston 1924-3-10 19533 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA522753  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3860 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  JEPS11145  Penstemon centranthifolius W. L. Jepson 1413 a Riverside Van Deventer's Ranch Santa Rosa Mts., Vandeventer's Ranch (on Vandeventer Flat) 1493 Comment
  JEPS15120  Penstemon centranthifolius P. A. Munz and I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch Morongo Pass, Covington Ranch (Southern California) 762 Comment
  POM4279  Penstemon grinnellii H. M. Hall 1901-07 2548 Riverside Fuller's Mills Mountain. 2134 Comment
  JEPS13908  Penstemon rostriflorus I. W. Clokey, E. G. Anderson 1935-8-2 6903 Riverside Fuller's Creek San Jacinto Mts., Fuller's Creek 1500 Comment
  RSA97001  Penstemon spectabilis R. M. Straw 1953-6-25 485 Riverside Northwest slope of Santa Rosa Mts., along truck trail. 1829 Comment
  JOTR31862  Peritoma arborea var. arborea La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2118 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  CAS-BOT-BC355992  Perityle emoryi Geo. B. Grant 1906-4-20 6784 Riverside Palm Springs Comment
  RSA471855  Perityle emoryi Christopher Davidson 1973-4-1 1841 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA778232  Perityle emoryi Duncan S. Bell 2009-3-8 37 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SBBG8654  Perityle emoryi H. and M. Dearing 1936-12-26 1886 Riverside foot of Palms to Pines Hwy Comment
  UC1546630  Perityle emoryi Barry A. Prigge 1988-2-21 7859 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR256337  Perityle emoryi Duncan S. Bell 2012-2-12 3114 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
  CAS-BOT-BC167770  Petalonyx thurberi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  UCR209674  Petunia parviflora Fred M. Roberts, Carol A. Roberts 1999-10-23 5252 Riverside San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak 433 Comment
  RSA471976  Peucephyllum schottii Martha Hilend 1928-3-24 s.n. Riverside Painted Canyon Comment
  RSA770291  Peucephyllum schottii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4751 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UC566662  Peucephyllum schottii Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  SEINET10801063  Peucephyllum schottii David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3700 Riverside Pushawalla; growing in the wash. Indio Hills, Colorado Desert. Comment
  POM147637  Phacelia ambigua F. M. Reed 1927-3-20 5430 Riverside Salt Creek Wash. Comment
  RSA426006  Phacelia ambigua Robert L. Dressler 1949-3-19 366 Riverside Box Canyon, Orocopia Mts. Comment
  RSA427711A  Phacelia ambigua Robert Gustafson 1983-3-27 2489 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA676125  Phacelia ambigua Scott D. White 2001-4-3 8268 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA740084  Phacelia brachyloba Scott D. White, Justin M. Wood 2008-6-16 12149 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA278975  Phacelia campanularia Barry A. Prigge, L. Martinez 1978-3-23 2427 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR178528  Phacelia campanularia R. G. Swinney 1967-3-5 0053 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  SD260054  Phacelia campanularia subsp. vasiformis J. Andre 2012-4-11 20781 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UC1242711  Phacelia campanularia subsp. vasiformis C. L. Hitchcock and C. V. Muhlick 1962-3-16 22147 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UCR90750  Phacelia cicutaria var. hispida Scott D. White 1995-4-5 2750 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR103479  Phacelia ciliata D. E. Bramlet 1993-4-3 2309 Riverside South Cajalco Bend, c. 61m south of Cajalco Road, at location 3.2 km east of intersection of Cajalco Road and La Sierra Ave., c. 152m east of intersection with old Monument Peak access road 439 Comment
  HSC28423  Phacelia crenulata Richard Spjut 1973-4-6 3269 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  SBBG11802  Phacelia crenulata H. and M. Dearing 1936-12-25 1451 Riverside Thousand Palms Cyn Comment
  UCR279527  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-29 43189 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UC666575  Phacelia cryptantha Harlan Lewis 1942-5-3 1604 Riverside burn 1 mi w Pinyon Flats (Calif. Hiway 74) Comment
  RSA0007629  Phacelia davidsonii P. A. Munz, D. Keck 1923-6-14 7068 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  JEPS2393  Phacelia distans Marjorie Clary 1931-4-4 16 a Riverside washes near Coral Reef; Coachella 0 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
  RSA598426  Phacelia distans P. F. Horner 1973-5-24 56 Riverside 4 miles in on Therman Road off main road in Morongo. 427 Comment
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Nov 30 2014
  SEINET3523574 Image available Phacelia distans Jim Andre 2011-2-2 16239 Riverside Coachella Valley: mouth of Big Moronga Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 (Moronga Valley 7.5' Q). 487 Comment
  UC881075  Phacelia distans C. L. Hitchcock 1940-3-29 5858 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  UCR104929  Phacelia distans A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20641 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
  UCR207337  Phacelia distans O. F. Clarke 2004-3-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR91406  Phacelia distans Scott D. White 1995-4-5 2721 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UC963829  Phacelia fremontii H. K. Sharsmith 1952-4-7 4043 Riverside Hidden Valley Campground Mojave Desert, Joshua Tree National Monument 1341 Comment
  CLARK-A1703-1209  Phacelia minor Charles S. Papp 1965-4-15 806 Riverside Box Springs Mountains Comment
  RSA428081  Phacelia minor Mark Morris 1929-3-17 14904 Riverside Palm Canyon. Comment
  RSA775499  Phacelia minor Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4472 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  SBBG55031  Phacelia minor D. Keil, M. McLeod 1979-3-18 12968 Riverside Alberhill Jct along St Hwy 71 365 Comment
  SFV11870  Phacelia minor R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCSB33378  Phacelia minor Marks, R. 1978-3-16 Riverside Top of hill 3/4 mi. W of orange grove at 3000 block of McAllister Rd., Riverside 457 Comment
  UCSB9694  Phacelia minor Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon 2 miles from U.S. 60 Comment
  POM97121  Phacelia minor P. A. Munz 1925-5-20 9820 Riverside 2 miles W of Dripping Spring. 427 Comment
  UC107583  Phacelia mutabilis A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  RSA480099  Phacelia neglecta Steve Boyd, L. Arnseth, S. Meury, D. Nordin, Tim Ross 1988-3-10 2188 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA650562  Phacelia ramosissima var. latifolia Jeanne Bellemin 1969-5-24 s.n. Riverside Idylwild to Banning. 976 Comment
  UC1132464  Phleum pratense H. S. Yates 1936-8-29 6379 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  JOTR32532B  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA221011  Pholistoma auritum E. W. Lathrop 1966-5-8 6404 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  LA89811  Phoradendron bolleanum subsp. densum Harlan Lewis; 1940-12-14 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  HSC99177  Phoradendron californicum Paul J. CaraDonna 2009-3-17 131 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UC1073269  Phoradendron densum George B. Rossbach 1955-4-22 233 Riverside between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  CAS-BOT-BC260908  Phragmites australis S. B. Parish 1912-7-3 8069 Riverside Salton Bridge near Durmid Comment
  RSA621641  Phyla nodiflora var. incisa R. E. Riefner 1998-6-19 98 -360 Riverside Elsinore Trough between Willard and Murrieta Creek Comment
  CHSC64188  Physalis crassifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 21 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along wash. 380 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
  JOTR34012  Physalis crassifolia La Doux, Tasha, M. Harding 2010-4-7 2900 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA339665  Physalis crassifolia Robert F. Thorne, C. W. Tilforth 1980-5-28 54195 Riverside W-facing slope of Whitewater ridge above old bridge. San Bernardino Mtns. Comment
  UCR116044  Physalis philadelphica Nathan Moorhatch 1999-10-28 s.n. Riverside San Bernardino Valley, San Sevaine Flood Control Channel, south side of San Sevaine Way, town of Glen Avon, c. 0.25 mi (air) due north of Van Buren Blvd. 232 Comment
  JOTR32859  Physaria tenella La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. southeastern Hexie Mountains, near Smoke Tree Wash along Rte 11 Comment
  RSA544441  Pilularia americana Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6348 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UCR185119  Pinus contorta subsp. murrayana Naomi Fraga, Et al. 2006-7-11 1712 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  POM230743  Pinus ponderosa I. W. Clokey, E. Y. Anderson 1935-8-21 6506 Riverside Idlewilde-Banning. Calif. San Jacinto Range. 1500 Comment
  RSA31093  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains. 1677 Comment
  SD229031  Pinus quadrifolia Dick Schwenkmeyer 2012-3-26 657 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCD134974  Pinus quadrifolia R. N. Raynor 1938-6-30 s.n. Riverside Near Anza, San Jacinto Mts. Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
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Oct 25 2011
  RSA0020323  Pinus quadrifolia D. W. Stevens 1966-5-7 1108 Riverside Thomas Mt. 1829 Comment
  UCR169784  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 B Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR91740  Plagiobothrys arizonicus A. C. Sanders, J. Goetzen 1996-5-1 18139 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA666894  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24192 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  RSA773181  Plagiobothrys canescens Duncan S. Bell, Joy England 2010-5-27 1132 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1354 Comment
  SEINET6097276  Plagiobothrys canescens Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR116462  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2001-3-30 23859 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
  RSA585502  Plagiobothrys collinus var. fulvescens D. L. Banks, S. D. Boyd 1995-5-9 0364 A Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCD120849  Plagiobothrys jonesii Collector unknown 1923-3-26 280 Riverside Tahquitz Wash, nr. Palm Springs. Comment
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Mar 4 2013
  POM146287  Plagiobothrys leptocladus J. B. Feudge 1927-5-19 1751 Riverside Perris 396 Comment
  RSA785183  Plagiobothrys leptocladus D. E. Bramlet 1992-4-29 2260 Riverside San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  CLARK-A1045-165  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  POM368912  Plagiobothrys nothofulvus M. M. Thompson 1947-6-9 C 2061 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR116847  Plagiobothrys nothofulvus A. C. Sanders, Steven R. Hill 2001-5-4 24145 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR178278  Plagiobothrys nothofulvus T. B. Salvato, Tracy Tennant 1998-1 MOR- 805 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, sag pond at Burro Flats, tree stand P-10 1098 Comment
  RSA85110  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 Comment
  UC1563044  Plagiobothrys tenellus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-31 3075 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  UCR20646  Plagiobothrys tenellus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  POM18171  Plantago bigelovii subsp. californica H. Baer 1922-4-1 s.n. Riverside Elsinore. Comment
  UCR281125  Plantago coronopus Mitch Provance, Jeremiah George 2017-3-23 317- 70 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  UCR121795  Plantago elongata A. C. Sanders, Carolyn Washburn 2001-4-17 24037 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR281237  Plantago elongata Mitch Provance, Jeremiah George 2017-3-23 317- 64 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA678420  Plantago erecta Michael Wall 2003-4-15 271 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UC1929718  Plantago erecta Scott D. White 2003-3-21 8814 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  JEPS6883  Plantago ovata Aven Nelson, Ruth A. Nelson 1939-3-22 3213 Riverside Palm Springs Area Comment
  JEPS7192  Plantago ovata S. B. Parish 1913-2-7 8446 Riverside Mecca Salton Basin -60 Comment
  RSA796335  Plantago ovata Duncan S. Bell 2009-4-18 199 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SEINET4568275 Image available Plantago ovata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4594 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC731777  Plantago ovata Forrest Shreve 1937-3-12 7903 Riverside 6 mi ne Desert Center Comment
  UC888399  Plantago ovata A. N. Dunn and A. M. Martin 1932-3-26 Riverside Coachella Comment
  RSA771623  Platanus racemosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5000 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
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Mar 31 2014
  RSA674593  Platystemon californicus Scott D. White 2000-5-5 7772 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UC511117  Platystemon californicus Lyman Benson 1932-3-26 3162 Riverside 3 mi n Temecula (San Jacinto Mt. Range); San Jacinto Mt. Range 457 Comment
  UCR103918  Platystemon californicus B. G. Pitzer 1997-4-11 3114 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  CDA7048  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -397 Riverside City of Temecula, Wolf Valley, Wolf Valley Road at Wolf Creek Road. Comment
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Dec 13 2012
  RSA557892  Plectritis ciliosa subsp. insignis Steve D. Boyd, Orlando Mistretta 1992-4-22 6996 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
  POM116974  Pleuraphis rigida Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCSB26331  Pleuraphis rigida Joseph Keefe 1967-3-23 1615 Riverside Collected 3.8 mi N, along 29 Palms Highway, in the Morongo Valley Mission Creek Road - 29 Palms Highway and Mission Creek Road 777 Comment
  UCD134964  Pleurocoronis pluriseta C. L. Hitchcock 1966-3-21 24339 Riverside at summit of pass through Sheep Hole Mts., about 40 miles south of Amboy. Comment
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Mar 1 2014
  SDSU19225  Pluchea odorata var. odorata Kristen Hasenstab, Dave Bailey 2008-8-7 180 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  CAS-BOT-BC326546  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  POM10021  Pluchea sericea Anonymous 1903-8-23 207 Riverside Spring Brook W of Elliotta? [City of Riverside] Comment
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Jan 5 2015
  RSA502899  Poa secunda Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA770686  Poa secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4790 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA773170  Poa secunda Duncan S. Bell, Valentin Arvizu 2010-5-24 1109 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., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1385 Comment
  UCD91659  Poa secunda subsp. secunda Peter Kamb 1948-5-2 928 Riverside Upper Sonoran Zone. N slope of the San Jacinto Mountains, above Banning. 1066 Comment
  UCR110383  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23110 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA192261  Polypodium californicum E. W. Lathrop 1965-4-2 4425 b Riverside 18 miles W of Murrieta in the Cottonwood Canyon of the Tenaja Range Comment
  UCR59663  Polypodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2952 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR2720  Polypogon australis F. M. Reed 1906-5-5 973 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA651728  Polypogon monspeliensis Viki Cruz 1983-5-8 15 Riverside Collected on the banks of the stream one-half mile into Magnesia Canyon, Santa Rosa Mts. Comment
  RSA385498  Polypogon viridis N. C. Cooper 2638 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  UCR140325  Populus fremontii A. C. Sanders 2004-5-12 27893 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  JEPS64525  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12589 Riverside Cottonwood Spr.; Colorado Desert, Cottonwood Mts., Cottonwood Spr. 731 Comment
  HSC25126  Porophyllum gracile Richard Spjut 1972-2-12 2190 Riverside Colorado River: N base and face of the Chuckawalla Mtns., ca. 3 to 4 mi. S of Desert Center 305 Comment
  JOTR31986  Porophyllum gracile La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2220 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; small bowl with underground water seep at top of bouldery canyon 815 Comment
  UCR138832  Porophyllum gracile D. L. Banks 1997-4-5 1670 B Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  SBBG72480  Potentilla rimicola R. Hoffmann 1929-9-6 Riverside near Tahquitz Pk Comment
  RSA0013883  Proboscidea althaeifolia Justin M. Wood, D. M. Ray 2010-11-1 3070 Riverside Mojave Desert: NE side of SR-177, approx. 1 km NE of Desert Center. 176 Comment
  CAS-BOT-BC206980  Prosopis glandulosa var. torreyana Roxana S. Ferris 1918-6-14 975 Riverside Indian Wells Comment
  LA47456  Prosopis glandulosa var. torreyana Charles Bogert; 1932-4-17 4008 Riverside Indian Wells Comment
  LA47457  Prosopis glandulosa var. torreyana Harlan Lewis; 1936-4-18 sn Riverside San Bernardino Mountains, White Water 457 Comment
  SD229160  Prosopis glandulosa var. torreyana Dick Schwenkmeyer 2013-6-11 905 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  CAS-BOT-BC216519  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  UC63796  Prunella vulgaris var. lanceolata H. M. Hall 1897-6-17 652 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity of Strawberry Valley 1615 Comment
  UC489222  Prunus emarginata C. V. Meyer 1928-7-31 606 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2286 Comment
  UCR39192  Prunus fasciculata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 204 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, at the west side of the main canyon c. 0.5 miles north of Indian Ave. 503 Comment
  CAS-BOT-BC151127  Prunus fremontii J. Ewan 1929-2-22 3684 Riverside Palm Canyon of San Jacinto 304 Comment
  CAS-BOT-BC356352  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  POM358759  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side canyon downstream from 'Big Pool' Andreas Canyon, N slope San Jacinto mts 335 Comment
  UCR250192  Pseudognaphalium leucocephalum A. C. Sanders 2014-4-8 40989 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.6 km SE of I-15 crossing 313 Comment
  UCR280927  Pseudognaphalium leucocephalum Mitch Provance 2017-5-25 517- 62 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  CLARK-A1045-174  Psilocarphus brevissimus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains along road; drying mud of vernal pools; Wildomar 7.5'Q Comment
  UCR232801  Psilocarphus brevissimus John F. Green 2008-4-16 0408- 45 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  RSA581690  Psilocarphus tenellus var. globiferus B. Leatherman 1995-5-4 s.n. Riverside Base of low hills south of Winchester in roadside ditch along west side of Highway 79, about 1/4 mile north of intersection with Newport Road 463 Comment
  CAS-BOT-BC346354  Psorothamnus Annie M. Alexander; Louise Kellogg 1941-5-22 2217 Riverside 1 1/2 mi. N. Cottonwood Spring, Eagle Mountains 975 Comment
  UCSB11788  Psorothamnus arborescens Creighton, B. 1961-5-7 Riverside 9 miles north of Palm Springs on State Highway 111, in the Coachella Valley 152 Comment
  JOTR29307  Psorothamnus arborescens var. simplicifolius La Doux, Tasha, Mike Bell 2006-5-17 1384 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA770790  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4531 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD193049  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  RSA403993  Psorothamnus emoryi H. S. Gentry 1936-1 6200 Riverside 15 mi. N of Desert Center 152 Comment
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Oct 13 2010
  SBBG68076  Psorothamnus emoryi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  RSA91375  Psorothamnus emoryi F. W. Peirson 1939-11-25 s.n. Riverside Foot of mountain near Painted Canyon. Comment
  CAS-BOT-BC340874  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 b Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  CHSC849  Psorothamnus schottii V. Holt 1942-3-29 Riverside Indio. -6 Comment
  RSA404252  Psorothamnus schottii M. B. Dunkle 1933-3-4 3041 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UC61516  Psorothamnus schottii M. French Gilman 1902-1 21 Riverside Palm Springs Comment
  UCD108370  Psorothamnus schottii G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCSB42194  Psorothamnus schottii Roos, John 1966-5-2 Riverside At the mouth of Pushawalla Canyon, Indio Mtns. Comment
  JOTR29190  Psorothamnus spinosus La Doux, Tasha 2005-9-8 1303 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  RSA0112107  Psorothamnus spinosus Duncan S. Bell, Amanda Turek 2009-3-30 193 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA784975  Psorothamnus spinosus Duncan S. Bell 2012-3-18 3218 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
  SBBG68033  Psorothamnus spinosus M. Van Rensselaer 1945-11-18 1919 Riverside S of Cathedral City Comment
  UC1197435  Psorothamnus spinosus Arthur E. Connick June, 1928 Riverside Palm Springs Comment
  SEINET951768  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  CAS-BOT-BC421249  Pterostegia drymarioides Milo S. Baker 1928-4-3 2818 b Riverside Tahquitz Canon [Canyon] near Palm Sps. Comment
  CAS-BOT-BC421261  Pterostegia drymarioides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA523470  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4029 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SBBG35162  Pterostegia drymarioides T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  UCR113133  Pterostegia drymarioides A. C. Sanders 1998-3-11 21679 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR158350  Pterostegia drymarioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30080 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
  UCR237627  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  CAS-BOT-BC362147  Pulicaria paludosa A. C. Sanders 2002-11-21 25640 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons 366 Comment
  UCSB37360  Pulicaria paludosa Clarke, O. 1972-9-17 Riverside Santa Ana river bottom Comment
  RSA751629  Quercus X acutidens G. Gust, L. Nye 2005-3-11 541 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  RSA0003691  Quercus X munzii J. M. Tucker, D. Q. Cavagnaro 1965-10-2 3886 Riverside Joshua Tree National Monument, in wash at Live Oak Tank Comment
  RSA711036  Quercus agrifolia A. C. Sanders, R. E. Riefner 2005-8-12 31559 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  SEINET1007995  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-1 31559 Riverside San Jacinto Mnts: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR158953  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31557 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  RSA709773  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31556 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  SEINET3102123  Quercus berberidifolia Marc A. Baker 2011-10-1 17465 Riverside Ribbonwood, north end of the Santa Rosa Mountains, 2.9km WSW of where Highway 74 crosses Omstoff Creek at the upper reaches of Palm Canyon, 30km south of Palm Springs, granite and schist gravel, rocks, silt, and sand. 1308 Comment
  UC847960  Quercus berberidifolia I. W. Clokey and E. G. Anderson 1935-4-16 6572 Riverside e of Hemet 800 Comment
  UCR140300  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 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
  UCR260589  Quercus berberidifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41558 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UCR97257  Quercus berberidifolia Scott D. White 1997-2-9 4683 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCD14093  Quercus cornelius-mulleri Stephen K. Langer 1995-4-6 s.n. Riverside California, San Diego Co.; Smuggler's Canyon, Anza-Borrego Desert State Park; Comment
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Feb 22 2013
  UCR18991  Quercus cornelius-mulleri John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Pinyon Flats 1220 Comment
  CAS-BOT-BC250919  Quercus dumosa P. S. Manos 1988-10-27 673 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  SD129201  Quercus engelmannii B. Pitzer 1988-6-8 1046 Riverside Rancho California area, avocado grove south of Avenida del Oro, just past Calle Capistrano Comment
  SDSU13622  Quercus engelmannii W. Miller with C. Mosse 1972-7-20 Riverside 75 yards past fork next to olive trees. Comment
  UCR155338  Quercus engelmannii A. C. Sanders, Mike Misenhelter 2005-3-23 29264 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR40270  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  UCR54426  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  CAS-BOT-BC105326  Quercus kelloggii Peter H. Raven; R. Snow 1957-7-26 11095 Riverside Banning - Idyllwild road, 0.9 mi N of Vista Grande Ranger Sation, San Jacinto Mts. Comment
  UCR117248  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22291 Riverside San Jacinto Mtns., Santa Rosa Indian Reservation along Hwy 74, 4 mi. east of Hwy 371 junction to Anza 1378 Comment
  CAS-BOT-BC104997  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  CAS-BOT-BC168238  Quercus wislizeni T. B. Salvato 2004-5-27 592 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
  UCR274148  Quercus wislizeni Mitch Provance 2012-8-30 17435 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  RSA701404  Rafinesquia californica Steve Boyd, Aydee Virgen 2004-4-13 10889 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR213623  Rafinesquia californica A. C. Sanders, Matthew Malle 2010-4-23 37994 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR214578  Rafinesquia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37844 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR22074  Rafinesquia californica Steve Boyd 1980-4-27 135 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  CAS-BOT-BC362623  Rafinesquia neomexicana Geo. B. Grant 1906-4-8 6614 Riverside Palm Springs Comment
  RSA774899  Rafinesquia neomexicana Duncan S. Bell, Amber Swanson 2011-2-18 2028 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  SEINET197743  Rafinesquia neomexicana Evert I. Schlinger 1952-3-28 30 Riverside Whitewater. 152 Comment
  UCR72185  Rafinesquia neomexicana Theo Glenn 1992-3-31 92 3 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA90129  Ranunculus cymbalaria var. saximontanus E. K. Balls, Percy C. Everett 1953-8-19 18536 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  UCSB8518  Ranunculus sceleratus Haller, John 1950-5-21 Riverside San Jacinto Mtns., Norht shore of Hemet Lake 1463 Comment
  UC1536931  Raphanus sativus Gordon H. True Jr. 1935-3-18 129 Riverside Pigeon Pass 457 Comment
  UC1929671  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ Theodore St. Adjacent to County Landfill. Comment
  CAS-BOT-BC56049  Rhamnus ilicifolia P. C. Everett 1935-6-18 7207 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1 1/2 mi. below (No.) main divide motorway 1280 Comment
  POM319091  Rhamnus ilicifolia Patricia Wilder 1971-9-29 5268 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  SD10085  Rhamnus ilicifolia Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  UCR139048  Rhamnus ilicifolia D. L. Banks 1997-3-1 1354 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  POM17819  Rhamnus tomentella subsp. cuspidata P. A. Munz, D. D. Keck 1923-6-14 7081 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  UCR35109  Rhododendron occidentale L. B. Ziegler 1978-6-21 594 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  CAS-BOT-BC200031  Rhododendron occidentale var. californicum H. M. Hall 1901-6-1 2241 Riverside San Jacinto Mountains 1828 Comment
  POM19647  Rhododendron occidentale var. californicum Mary F. Spencer 1923-6-11 2141 Riverside Idyllwild. 2043 Comment
  UCR136269  Rhus aromatica A. C. Sanders 2004-4-20 27544 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  JEPS66259  Rhus ovata W. L. Jepson 1901-5-31 1566 Riverside Temecula River, from Riverside to Santa Rosa Peak and Palomar Temecula River Comment
  RSA192296  Rhus ovata E. W. Lathrop 1966-3-2 6044 Riverside 10 miles NW of Murrieta, 1 mile W of Los Alamos Ranch, Cleveland National Forest. Comment
  SDSU13694  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 259 Comment
  UCR275934  Rhus trilobata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3780 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SBBG34220  Ribes malvaceum T. L. Secrest 1951-5-20 Riverside N slope of San Jacinto Mtns Comment
  RSA575881  Ribes malvaceum var. viridifolium Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain in steep canyon at the border of NW 1/4 Sec. 5 and NE 1/4 Sec. 6. 610 Comment
  CAS-BOT-BC212609  Ribes montigenum Mrs. C. M. Wilder 1909-6-12 946 Riverside Round Valley, San Jacinto Mountains Comment
  OBI70000  Ribes roezlii David Charlton 1988-5-21 1910 Riverside Thomas Mtn rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  UCSB7023  Ribes speciosum Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon; Santa Ana Mt. Range 365 Comment
  UCR172277  Robinia pseudoacacia John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  RSA315  Romneya coulteri J. T. Howell 1928-7-7 1036 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  CAS-BOT-BC147543  Rosa californica I. M. Johnston 1918-5-30 1992 Riverside Temescal [Canon] Canyon (between Elsinore & Corona) 365 Comment
  CLARK-A1528-4044  Rubus parviflorus John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  RSA523529  Rubus ursinus Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3988 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CAS-BOT-BC433322  Rumex crispus A. J. Mc. 1892-5-1 s.n. Riverside Elsinore Comment
  UCR155043  Rumex obtusifolius A. C. Sanders, Kelly Volansky 2005-3-17 29226 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
  UCR281807  Rumex salicifolius Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 97 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  UCR22143  Rumex salicifolius var. denticulatus Steve Boyd 1980-4-13 125 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UC6967  Rumex salicifolius var. salicifolius H. M. Hall Jul 1901 2525 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR92689  Rumex violascens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18052 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  JEPS62517  Salazaria mexicana Marjorie Clary 1931-4-4 5 Riverside Coachella Valley Devils' Canyon (slopes of Santa Rosa Mts., West Colorado Desert); West Colorado Desert, slopes of Santa Rosa Mts. Comment
  SEINET2065953 Image available Salazaria mexicana A. C. Sanders, K. Rose 1995-4-5 16373 Riverside San Bernardino Mtns. Coachella Valley, alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  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
  CAS-BOT-BC129746  Salix bonplandiana E. W. Lathrop 1959-4-17 4490 Riverside 14 miles east of Murrieta, Tenaja plateau, west slope of Rolondo Mesa. Comment
  CAS-BOT-BC103892  Salix exigua Steve Boyd; Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM360974  Salix exigua Marcus E. Jones 1930-3-15 26531 Riverside Eagle Mountains. Comment
  CAS-BOT-BC108101  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC108147  Salix gooddingii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18103 Riverside San Bernardino Mtns. - Morongo Indian Reservation, vicinity of natural pond & bog at SE ede of Burro Flats 1097 Comment
  SD185305  Salix gooddingii Andy C. Sanders 2005-5-4 29837 Riverside Gavilan Hills near Riverside, ca 1 km east and southeast of Gavilan Peak 625 Comment
  SEINET10539066  Salix gooddingii David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2868 Riverside Pushawalla canyon, indio hills. In with main palm group. Comment
  CLARK-A1528-5200  Salix hindsiana var. leucodendroides John C. Roos, Lucille Roos 1952-3-1 5382 Riverside Moreno 609 Comment
  SEINET272290  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  RSA586051  Salix lasiolepis D. L. Banks, Steve D. Boyd 1995-3-16 90 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. 512 Comment
  SD229282  Salix lasiolepis Dick Schwenkmeyer 2012-3-26 674 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx Ao mile north of Highway 74, just east of Morris Ranch Road. 1356 Comment
  UC914223  Salix lasiolepis Charles B. Fiker 1946-4-8 3366 Riverside on Hwy. 395 s. of Temecula bridge Comment
  UCR57115  Salix lucida subsp. lasiandra S. J. Myers 1989-7-14 s.n. Riverside Peninsular Range, 1.25 mi. west of confluence of Murrieta Creek and Santa Margarita River, c. 1.5 mi. SW of Temecula 255 Comment
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Aug 23 2013
  CAS-BOT-BC126322  Salix sessilifolia F. R. Fosberg 1932-3-13 8078 Riverside Thousand Palms Canyon, Coachella Valley Comment
  CAS-BOT-BC176911  Salsola tragus T. C. Fuller 1975-11-6 20115 Riverside Northeast corner of Monroe Street & Interstate 10 freeway, Indio Comment
  RSA0095118  Saltugilia australis O. F. Clarke, J. Derby 1974-4-19 s.n. Riverside Lakeview Mountains: ca. 2 mi. SSW of Mt. Rudolph, N of Juniper Flat, E of Juniper Flat Rd. and S of Stagecoach Rd., EIR for Tentative Tract 5702. 549 Comment
  UC667330 Image available Saltugilia latimeri Annie M. Alexander and Louise Kellogg 1941-5-4 2114 Riverside Joshua Tree National Monument Comment
  UCR121341  Salvia apiana A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25030 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  CLARK-A1528-591  Salvia carduacea Charlotte Stocks 1962-5-3 Riverside Anza Comment
  UCR48367  Salvia carduacea Steve Boyd 1986-5-1 1818 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  RSA401471  Salvia columbariae N. C. Cooper 1944-3-25 1005 Riverside Morongo Pass. 457 Comment
  RSA401480  Salvia columbariae E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  UCR162878  Salvia columbariae T. B. Salvato, Kelly Volansky 2003-3-27 124 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR269919  Salvia columbariae Daphne K. Christopher, Hannah I. Stevens 2003-4-3 078 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCSB5783  Salvia columbariae Cline, C. 1960-5-15 Riverside 0.2 miles from Hwy. 74; on road to Anza 1219 Comment
  UCR89534  Salvia dorrii var. pilosa Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Valley, along Cal Riding and Hiking Trail, just east of Ryan Campground 1341 Comment
  SD241871  Salvia eremostachya Jay Walker, R. C. Walker 2004-4-15 3098 Riverside 4.5 miles NE of Pinyon Flats, along hwy 74. Rocks on west side (50 meters off) of Hwy. Comment
  CAS-BOT-BC226137  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside East of Coachella Canal 3.6 miles on a road up the south side of the Orocopia Mountains Comment
  SBBG71102  Salvia greatae E. C. Jaeger 1926-2-20 Riverside Salt Crk Wash above Dos Palmos Comment
  UCR17251  Salvia greatae Bonner Blong 1966-5-5 2 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., 1.5 mi NW of Clemens Well Comment
  RSA654622  Salvia mellifera Lydia Paneri 1982-4-17 54 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  CAS-BOT-BC224852  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert 1402 Comment
  RSA259205  Salvia pachyphylla P. A. Munz 1938-8-14 15346 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCR26240  Salvia pachyphylla John C. Roos 1946-8-27 2914 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  RSA0123083  Salvia vaseyi Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8976 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
  CLARK-A1528-2411  Sambucus caerulea John C. Roos, Lucille Roos 1951-10-24 5341 Riverside Pedley 243 Comment
  CHSC203  Sambucus mexicana Sonia R. Westerberg 1938-4-17 Riverside Lake Elsinore Comment
  RSA1239  Sambucus mexicana B. D. Stark 1930-3-18 1489 Riverside Cajalco District. Comment
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UC106101  Sanicula arguta Alderson 442 Riverside Comment
  UCR48482  Sanicula bipinnatifida Steve Boyd 1986-4-2 1582 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  SBBG45008  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove 1828 Comment
  RSA0097961  Sarcostemma crispum Duncan S. Bell 2014-11-14 7712 Riverside Santa Rosa Mountains; in the Santa Rosa Mountains Wilderness area; west side of Martinez Mountain; along the Cactus Spring Trail, about 1 air mile northwest of Cactus Spring. 1217 Comment
  SEINET8908689  Sarcostemma hirtellum W. Enriquez 1989-1 Riverside ca 15 mi. E. Indio, I-10 30 Comment
  RSA495460  Saxifraga californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2988 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA335020  Schinus molle Steve Boyd 1985-7-23 1010 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
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May 8 2013
  CAS-BOT-BC239934  Schismus arabicus Catherine A. Toschi 1963-4-10 63 :119 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  JOTR30117  Schismus arabicus La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1683 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  JOTR34004  Schismus barbatus La Doux, Tasha, M. Harding 2010-4-7 2892 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA770990  Schismus barbatus Jim Andre, Tasha La Doux 2009-2-25 10812 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA793417  Schismus barbatus Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3946 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SEINET229294 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-18 8321 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  UCR97244  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR163232  Schoenoplectus americanus D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  UC841173  Scirpus acutus var. occidentalis Crawford and Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona (along stream); Santa Ana River near Corona Comment
  RSA282932  Scrophularia californica subsp. floribunda C. W. Tilforth, B. Busenberg 1980-4-17 2017 Riverside Open slope south of Toolbox Spring Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Hiway 74. Comment
  UCR130866  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  RSA445389  Scutellaria bolanderi subsp. austromontana Albert J. Perkins 1919-9-8 s.n. Riverside [Kenna Kamp] Keen Camp?, Ravine near Ranger s Cabin. Comment
  UCR202583  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-8 12366 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  LA55084  Scutellaria mexicana Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  SD67926  Sedum niveum Reid Moran 1968-8-3 15365 Riverside On rocky northeast slope of Santa Rosa Mountain. 2250 Comment
  POM6513  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1825 Riverside San Jacinto Mountains, San Jacinto Canyon 685 Comment
  UCD135974  Selaginella bigelovii Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  RSA0123355  Selaginella eremophila Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9049 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  POM12933  Selaginella watsonii Philip A. Munz 1922-6-27 5869 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  POM189  Senecio californicus F. M. Reed 1904-5-20 13 Riverside Vicinity of Riverside. Comment
  UC485568  Senecio flaccidus var. douglasii F. M. Reed 1905-9-25 242 Riverside Riverside Riverside (Chicago Ave.) Comment
  JOTR34397  Senecio flaccidus var. monoensis Andre, Jim 2012-4-16 20930 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  UC35965  Senecio flaccidus var. monoensis Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR19257  Senecio flaccidus var. monoensis John C. Roos 1947-11-1 3757 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  RSA777731  Senecio mohavensis J. Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  RSA523870  Senecio vulgaris Gordon H. True 1935-4-1 199 Riverside Box Springs. 366 Comment
  RSA585619  Senecio vulgaris D. L. Banks, S. D. Boyd 1995-3-15 0054 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Agua Tibia Mtn., Dorland Mtn. area. 689 Comment
  UCR264229  Senegalia greggii A. C. Sanders, Jim Malusa 2015-9-10 41856 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CLARK-A1528-1388  Sesuvium verrucosum John C. Roos 1937-5-23 2067 Riverside La Sierra Comment
  CLARK-A1656-782  Sesuvium verrucosum Theo Glenn 1982-4-18 Riverside Mecca Comment
  UC472847  Sesuvium verrucosum M. F. Spencer 1922-3-25 51 Riverside Mecca, Colorado Desert Mecca; , Colorado Desert Comment
  RSA598041  Setaria parviflora F. M. Reed 1908-7-29 2553 Riverside Riverside, along upper side of Gage Canal near 8th Str bridge., 117Y'20'W, 33Y'58.5'N 311 Comment
  UC1100455  Setaria verticillata Malcolm A. Nobs and S. Galen Smith 1948-9-3 492 Riverside 2 mi. n. Indio; Imperial Valley Comment
  POM14907  Sidalcea malviflora subsp. sparsifolia Mary F. Spencer 1922-6-18 146 Riverside Iddylwild, San Jacinto Mountains. 1524 Comment
  UCR239203  Sidalcea malviflora subsp. sparsifolia Steven R. Hill, A. C. Sanders 2001-5-4 33717 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  CHSC223  Silene laciniata subsp. laciniata E. Thomas 1940-5-26 Riverside Comment
  RSA619574  Silene laciniata subsp. major D. L. Banks 1997-5-5 2009 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UC8466  Silene laciniata subsp. major Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC8483  Silene parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside near summit Santa Rosa Peak; near summit Santa Rosa Peak Comment
  SEINET3148929  Silybum marianum W. B. Crockatt sn Riverside Prado 91 Comment
  JEPS40194  Simmondsia chinensis W. L. Jepson 1901-5-27 1480 Riverside Cahuilla Valley and Aguanga; Cahuilla Valley and Aguanga Comment
  UC1130464  Simmondsia chinensis A. Lewis 1933-2-1 144 Riverside Round Mountain; San Jacinto Quad., Round Mountain Comment
  UC667349  Simmondsia chinensis Annie M. Alexander and Louise Kellogg 1941-5-12 2159 Riverside road to Black Eagle Mine (Eagle Mountains); Colorado Desert, Eagle Mountains 777 Comment
  UCR35178  Simmondsia chinensis Bill Rogers 1975-6-12 543 Riverside San Jacinto Mtns, SW foothills of mtns. Wilson Creek Canyon 762 Comment
  CAS-BOT-BC74911  Sinapis arvensis H. K. Wagnon 1944-3-8 311 Riverside West side of stream about 100 yards south of Trading Post, Palm Canyon. Comment
  RSA33829  Sinapis arvensis N. C. Cooper 1944-5-21 1274 Riverside San Jacinto Mountains, West side 1220 Comment
  CLARK-A1045-84  Sisymbrium altissimum George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  RSA431722  Sisymbrium altissimum N. C. Cooper 1944-4-23 1098 Riverside Banning 701 Comment
  SD132409  Sisymbrium erysimoides O. F. Clarke 1973-4-1 Riverside Riverside, Corner of Spruce and Rustin Streets. Comment
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Mar 4 2017
  JOTR35919  Sisymbrium orientale De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6867 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905