Search Results — 2000 specimen records retrieved (1903 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG95819  Abies concolor F. C. Vasek 1977-11-25 771125 -1 Riverside below Boulder Basin Cmpgrd Comment
  RSA0009280  Abronia pogonantha Duncan S. Bell 2012-9-13 4178 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  CAS-BOT-BC229340  Abronia villosa Peter H. Raven 1958-1-23 11426 Riverside Fringing United States Highway 99, 6.5 miles north-west of Indio Comment
  CAS-BOT-BC229353  Abronia villosa Marcus E. Jones 1925-9-7 s.n. Riverside Palm Spring [Springs] Comment
  CAS-BOT-BC229363  Abronia villosa R. H. Peebles; H. F. Loomis 1930-4-1 200 Riverside Mecca Comment
  RSA650088  Abronia villosa Toppenberg 1961-5-5 s.n. Riverside [Highway] 74, Palms to Pines. Comment
  RSA782198  Abronia villosa Duncan S. Bell 2011-10-22 2985 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR224312  Abronia villosa var. aurita Justin M. Wood, Jamie Miner 2010-4-29 1530 Riverside Coachella Velley, Bermuda Dunes, near intersection of Avenue 38 and Varner Road 43 Comment
  UCR248052  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  UCR161372  Abronia villosa var. villosa Mark A. Elvin 2005-4-25 4220 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  CSUSB1008  Abutilon theophrasti Oscar F. Clarke 1967-6-9 Riverside O.F. Clarke residence, Spruce Street, in city of Riverside. Comment
  UCR6390  Abutilon theophrasti O. F. Clarke 1967-6-9 s.n. Riverside Riverside, O.F. Clarke residence at 1012 Spruce Street 366 Comment
  CDA33575  Acacia greggii Mike Lahti 2010-5-3 PDR# 1358701 Riverside Palm Desert off Hwy 74. Comment
  JEPS64732  Acacia greggii W. L. Jepson 1912-10-29 5246 a Riverside near Blach Point (Riverside Mountains, along the Colorado River, Blythe Intake, Needles to Yuma); Riverside Mountains, Colorado River, Blythe Intake 88 Comment
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May 15 2011
  RSA784730  Acacia greggii Duncan S. Bell 2012-3-18 3197 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  OBI17154  Acamptopappus sphaerocephalus Tracey Call, Viola Call 1962-4-6 2116 Riverside 4 mi w of Desert Hot Springs at rd jctn 213 Comment
  UCSB8490  Acamptopappus sphaerocephalus Muller, Cornelius 1953-3-21 Riverside In White Water Canyon Comment
  RSA179521  Achnatherum coronatum E. W. Lathrop 1959-5-17 4561 Riverside 14 miles west of Murrieta, Redonda Mesa Comment
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Apr 28 2011
  RSA697717  Achnatherum hymenoides J. Russell Bruff 1928-4-11 73 Riverside Whitewater. Comment
  UC819258  Achnatherum hymenoides I. W. Clokey and B. C. Templeton 1930-4-9 4670 Riverside n Palm Springs; Colorado Desert 170 Comment
  UCD50439  Achnatherum hymenoides F. M. Reed 1921-3-19 5671 Riverside California, Riverside County. Salt Creek Wash, Colorado Desert. east of Mecca. 213 Comment
  CAS-BOT-BC218631  Achnatherum occidentale subsp. pubescens H. M. Hall 1901-7-1 2537 Riverside West Fork Snow Creek, San Jacinto Mountains 1524 Comment
  SBBG57054  Achnatherum parishii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  UC39993  Achnatherum parishii H. M. Hall 1901-6 2309 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  POM122371  Achyronychia cooperi Marcus E. Jones 1925-4-24 s.n. Riverside Banning. Comment
  UCR132854  Achyronychia cooperi Kent Beaman 1983-4-9 08 Riverside Sonoran (Colorado) Desert, mouth of Box Canyon along the road, Mecca Mud Hills, south of Indio 61 Comment
  RSA0120317  Acmispon maritimus var. brevivexillus Duncan S. Bell, Thomas Stoughton 2016-3-16 8954 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  SD132392  Acmispon micranthus Jerilyn Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, on mesa top 609 Comment
  UCD104284  Acmispon rigidus Nancy Ryan Zabriskie 1973-2-23 565 Riverside Boyd's Rd. Lookout, Deep Canyon, N Slope Santa Rosa Mts. 853 Comment
  UCSB39320  Acmispon rigidus Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from Highway 74, north of Palm Desert, San Jacinto Mountains 1100 Comment
  RSA0047274  Acmispon strigosus J. Mark Porter, Lauren E. Machen 1997-2-15 11417 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SD152856  Acmispon strigosus Steve Boyd 1992-4-15 6857 Riverside Santa Ana Mountains, San Mareo Canyon Wilderness Area, Bluewater Canyon along Bluewater Trail downstream to the confluence with san Mateo Creek, open benches 334 Comment
  CHSC109255  Acourtia microcephala Scott D. White; Justin M. Hood 2008-6-18 12202 Riverside Hiking trail from K flat to Apple Canyon Road. T 5S, 6S R 3E S33, 4. 33 deg. 4241 min. N; 116 deg. 40 min W. 1396 Comment
  JOTR33126  Adenophyllum porophylloides La Doux, Tasha, Mike Bell 2003-10-17 1124 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UCD112609  Adenostoma fasciculatum K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR112805  Adenostoma fasciculatum A. C. Sanders 1997-5-1 20607 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  CSUSB1856  Adenostoma sparsifolium Ned Curtis 1974-7-19 Riverside San Jacinto Mountains San Jacinto Mountains 1523 Comment
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  SDSU13825  Adiantum jordanii W. Miller, C. Mosse 1972-8-9 Riverside About 1/2 way to river. Comment
  UC218030  Agoseris heterophylla var. heterophylla P. A. Munz and J. M. Johnston 1922-5-20 5479 Riverside Kenworthy San Jacinto Mts. 1417 Comment
Read comments
Mar 25 2011
  SD28105  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains, first real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  RSA457393  Agrostis stolonifera A. R. Roos 1937-8-19 10693 Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA27526  Allionia incarnata I. L. Wiggins 1941-3-27 9682 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  UCR277615  Allionia incarnata Aaron C. Sedgwick, April Garbat 2012-10-17 139 Riverside Sonoran (Colorado) Desert, c. 0.25 mile south of Hwy I-10 on Cottonwood Springs [Box Canyon] Rd. 488 Comment
  UCR29261  Allium lacunosum var. lacunosum A. C. Sanders 1980-6-11 1577 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR225670  Allium marvinii Steve Boyd 2010-5-16 12275 Riverside San Jacinto Mountains, Northwestern base of San Jacinto Mountains along Highland Springs Ave, 1.5 mi south of Breckenridge Ave, City of Banning 732 Comment
  UCR2748753  Allium marvinii Youssef C. Atallah 2016-4-27 s.n. Riverside San Bernardino Mtns. Foothills, Banning, Bluff St., c. 1 mile beyond the end of San Gorgonio Ave., c. 2.1 miles north of I-10 Fwy 883 Comment
  RSA543618  Allium munzii Steve Boyd 1991-5-7 6153 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA673502  Allium munzii Scott D. White, K. Campbell, John Resek 2000-4-26 7736 Riverside Low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 381 Comment
  RSA613863  Allium peninsulare B. Pitzer 1997-4-12 3123 Riverside Pulsar View Road, (at end of Warren Road) Ca. 1 mile (air) N of Juniper Flats Road., 33 deg N 117 deg 5.53 W 518 Comment
  UCR133100  Allium roseum A. C. Sanders 1999-4-28 22709 B Riverside Riverside, UCR Botanic garden 351 Comment
  UCR54451  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  CSUSB1010  Althaea rosea Eric Trubschenck 1972-5-10 19 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment
  JOTR35202  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA192207  Amaranthus albus H. A. Zuill 1966-7-7 278 Riverside Beside Tenaja Road near the junction to Santa Rosa Ranch and Tenaja Guard Station, 9-10 miles SW of Murrieta Comment
  UCR92341  Amaranthus albus Scott D. White 1995-7-7 3447 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA596536  Amaranthus albus D. L. Banks, Lauren Raz 1996-8-29 1137 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  SBBG133569  Amaranthus blitoides S. D. White, A. Carey, L. Archa 2004-8-5 10669 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UCR135822  Amaranthus blitum A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27962 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thermal, Hwy 111 at Oasis Date Gardens, 0.5 mi. south of Ave. 58 -43 Comment
  UCR119445  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, east side of Streeter Ave. just south of Scott Ave., between Arlington and Central Aves. 238 Comment
  RSA356885  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41803 Riverside Palm Springs. Comment
  UCR274219  Amaranthus fimbriatus Duncan S. Bell, Evan Meyer 2014-10-28 7669 Riverside northwest section Orocopia Mountains, c. 1.8 air miles northwest of the summit of Orocopia Mountain 936 Comment
  JOTR35518  Ambrosia acanthicarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3338 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  UC527697  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 Riverside roadside at Cabazon; San Gorgonio Pass 518 Comment
  UCR113600  Ambrosia acanthicarpa A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23675 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR24356  Ambrosia artemisiifolia John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  IRVC730  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-5-30 SJ 84 Riverside Above Palm Desert. Sonoran Desert/Santa Rosa mtns 305 Comment
  JOTR36091  Ambrosia dumosa La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3318 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  NY43445  Ambrosia dumosa C. R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park Comment
  SFV3923  Ambrosia dumosa M. L. Vincent, R. H. Swade 1963-10-19 468 A Riverside On California State Highway 74 about 6 miles south of Palm Desert. Roadside. Comment
  UC896715  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside 100 yds e Spring; Cottonwood Canyon Comment
  UCSB34110  Ambrosia ilicifolia Collins, Elizabeth 1980-3-31 Riverside 10 miles SW of Hwy 10 at Corn Springs campground Comment
  RSA735229  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA737349  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC273036  Ambrosia salsola Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  SEINET8507136 Image available Ambrosia salsola Deidre Conocchioli, Duncan S. Bell 2014-3-18 261 Riverside Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  UCR244304  Ambrosia salsola Jim Andre 2012-4-15 20855 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  SBBG100464  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  SBBG61691  Ambrosia salsola var. salsola M. N. Ackley -Feb-1926 247 Riverside near Edom 64 Comment
  UCSB22432  Ambrosia salsola var. salsola Myrick, Donald 1966-4-2 Riverside At upper end of Aqueduct Road, southeast of Desert Hot Springs Comment
  CLARK-A1528-3212  Ammannia coccinea John C. Roos 1952-5-16 5672 Riverside San Jacinto River 426 Comment
  POM229036  Amorpha fruticosa P. A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  SBBG37532  Amsinckia intermedia R. N. Muller 1967-4-16 Riverside UC Riverside campus, 20 yds S of grape control plot on S side of campus Comment
  UC174983  Amsinckia intermedia C. F. Baker 1903-4-4 4094 Riverside Elsinore; Pacific Coast Comment
  UCR250214  Amsinckia intermedia A. C. Sanders 2014-4-8 40978 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR103588  Amsinckia menziesii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2727 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR117406  Amsinckia menziesii A. C. Sanders, Carolyn Washburn 2001-5-10 24228 Riverside Perris-Aguanga Basin region, S of Hemet near North Domenigoni Hills, Domenigoni Parkway at MWD Canal 451 Comment
  UCR175065  Amsinckia menziesii Teresa Nieto 2005-4-24 10 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA714657  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UC1168706  Amsinckia tessellata var. tessellata Peter H. Raven 1958-3-16 11858 Riverside Joshua Tree National Monument Comment
  UC1329903  Amsonia tomentosa James E. Cole 1941-5-14 703 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1280 Comment
  RSA342553  Andropogon glomeratus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54093 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA192108  Anemopsis californica E. W. Lathrop 1965-5-27 5204 Riverside 6 miles west of Murrieta. Comment
  UC29526  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley Comment
  UCR230196  Anthemis cotula A. C. Sanders, T. B. Salvato 2011-4-29 39359 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  RSA500552  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3595 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA525247  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1990-5-11 4625 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA717852  Antirrhinum coulterianum T. B. Salvato 1998-6-23 MOR- 445 -A Riverside Morongo Indian Reservation, polygon 13, N end of Hathaway Canyon. 1280 Comment
  RSA773668  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-20 1031 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UC1012085  Antirrhinum coulterianum F. W. Pennell and A. L. Grant 1940-4-28 25276 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  UCR20793  Antirrhinum coulterianum A. C. Sanders, Steve Boyd 1980-5-2 1411 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR7107  Antirrhinum cyathiferum Lloyd Tevis 1968-2-9 s.n. Riverside Sonoran (Colorado) Desert, S of Palm Desert, Coyote Wash at junction with Deep Canyon Wash on Deep Canyon Floodplain 274 Comment
  RSA0123683  Antirrhinum filipes Duncan S. Bell, LeRoy Gross 2016-3-9 8858 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  RSA192320  Antirrhinum nuttallianum subsp. nuttallianum H. A. Zuill 1966-6-23 236 Riverside San Mateo canyon about 12 miles SW of Murrieta. Comment
  RSA614021  Aphanes occidentalis D. L. Banks 1997-3-6 1400 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
  RSA356759  Apiastrum angustifolium R. F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  RSA619544  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 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
  SDSU17494  Apiastrum angustifolium Jerry Jenkins 2001-3-30 2001 -016 Riverside Santa Margarita Ecological Reserve. West side of S.M. River, slightly north of station. UTM zone 6, 481700E, 3699150N UTM transfered to GIS. Comment
  POM9018  Apiastrum angustifolium P. A. Munz 1920-3-20 3388 Riverside Temescal Canyon 366 Comment
  UCR133682  Apocynum cannabinum John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  SD28078  Aquilegia formosa Carl B. Wolf 1932-5-24 3652 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above fish hatchery 792 Comment
  SDSU9933  Aquilegia formosa Garrison 1962-7-29 Riverside 0.25 miles from center of Idyllwild village in dense growth along bank of Strawberry Creek. 1615 Comment
  UCR80818  Arabis glabra Scott D. White 1993-5-29 1481 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR20547  Arabis pulchra W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA629145  Arctostaphylos Jon E. Keeley 1992-7-17 16729 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA629172  Arctostaphylos Jon E. Keeley 1992-7-17 16791 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629429  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16854 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UCD50887  Arctostaphylos glandulosa A. E. Wieslander 1929-4-1 Riverside East side of North Fork of San Jacinto. 1219 Comment
  UCR4057  Arctostaphylos glandulosa Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 10 mi from Banning toward Idyllwild 1067 Comment
  RSA629404  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19523 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629408  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19497 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  RSA629441  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16554 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629453  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16809 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA631731  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19299 Riverside Highway 79, 6 km west of Aguanga. 650 Comment
  RSA631756  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16542 Riverside Red Mountain Road, 8.7 km east of R3. 1000 Comment
  RSA631765  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15075 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631816  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21805 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  UC21882  Arctostaphylos glauca H. M. Hall 1901-6 Riverside Tauquitz Valley San Jacinto Mountains 1828 Comment
  RSA633524  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22513 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633528  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20150 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633540  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22665 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633552  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21797 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633732  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16624 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635596  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16740 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  HSC101777  Arctostaphylos pringlei subsp. drupacea J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13197 Riverside 1470 Comment
  RSA635791  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16592 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA559374  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19484 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  RSA636180  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19545 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  UCR35130  Arenaria macradenia subsp. ferrisiae L. B. Ziegler 1972-6-12 478 Riverside San Jacinto Mtns,, canyon above Kenworthy Ranger Station. 1402 Comment
  RSA105975  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  RSA221051  Argemone munita subsp. robusta E. W. Lathrop 1966-5-8 6403 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA0099596  Aristida adscensionis Duncan S. Bell, Evan Meyer 2014-10-29 7701 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA717652  Aristida adscensionis Scott D. White, Pam DeVries 2006-3-14 11251 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR256798  Aristida adscensionis T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7874 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCD56548  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside head of Deep Canyon. 1219 Comment
  UCR260358  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-9 41368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  JOTR30087  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd. 1385 Comment
  UC1080343  Artemisia californica E. K. Balls and P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  UCR141241  Artemisia californica A. C. Sanders, Kelly Volansky 2004-10-6 28813 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR48494  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  JOTR32638  Artemisia dracunculus La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2560 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  JOTR32834  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCR235097  Artemisia dracunculus A. C. Sanders, John F. Green 2012-5-27 40199 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, near SW corner of Valley Substation (on Menifee Rd.), just off Case Rd. 445 Comment
  SBBG62495  Artemisia ludoviciana M. Lewis 1947-8-26 11 Riverside Skunk Cabbage Meadow 2194 Comment
  JOTR32634  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  JEPS37034  Artemisia ludoviciana subsp. ludoviciana Carl V. Meyer 1928-7-30 573 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow (dry edge of meadow on n slope) 1676 Comment
  RSA417354  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1933-12-2 2297 Riverside Tahquitz Canyon, San Jacinto Mts. 700 Comment
  RSA0104758  Asclepias californica Mitch Provance, T. Tennant 1998-6-16 MOR- 393 Riverside Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon. 1159 Comment
  UCR16093  Asclepias subulata K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  RSA228811  Aspidotis californica Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 617 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore. . . off Forest Route 7S04. T7S, R5W, sec. 15. 487 Comment
  SDSU17486  Aspidotis californica Jerry Jenkins 2001-3-30 2001 -006 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  POM187421  Aster alpigenus L. Crutcher 1933-8-22 1 Riverside Ridge south of Tahquitz Valley. Comment
  RSA0000927  Aster standleyi Francis Fultz 1922-05 3487 Riverside Mecca. Painted Canyon. Comment
  POM158199  Aster subulatus var. ligulatus Philip A. Munz, I. M. Johnston 1928-9-6 11282 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA0031015  Astragalus aridus Jim Andre 2013-3-27 24804 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  SD211451  Astragalus aridus Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1212 Riverside 30 miles west of Blythe near Palen Dry Lake. From I-10 exit Corn Springs Road and go north for about 10 miles. The population is common on the south, southwest side of Palen Dry Lake. Comment
  UCR134604  Astragalus aridus Marisa Sripracha, Kyle Boyd 2004-2-14 027 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  CAS-BOT-BC177515  Astragalus bernardinus Peter H. Raven 1958-5-5 12896 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  JEPS83135  Astragalus coccineus R. P. Allen 1935-3-24 255 Riverside Eagle Mountains Comment
  SEINET948217  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-1 1620 Riverside Gavilan Plateu, Gavilan Hills: Harford Springs County Park 610 Comment
  UC219218  Astragalus didymocarpus var. obispoensis P. A. Munz 1922-4-29 5096 Riverside Dripping Spring near Temecula Creek; near Temecula Creek 518 Comment
  RSA415495  Astragalus douglasii var. parishii N. C. Cooper 1944-5-20 1238 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  RSA517736  Astragalus douglasii var. parishii Donald G. Nelson 1936-5-21 380 Riverside Slopes just N of meadow in valley just E of Hurkey Creek Camp area, East of Lake Hemet, and N of Mt. Thomas. In San Jacinto Mtns. Comment
  POM306063  Astragalus filipes Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1323 Riverside Palms to Pines Highway. Comment
  SEINET1906293 Image available Astragalus lentiginosus var. albiflorus Sarah J. De Groot, J. Mark Porter 2006-1 5197 Riverside North foot of San Jacinto Mts, between snow Creek Road and Highway 111. 366 Comment
  SBBG3166  Astragalus lentiginosus var. borreganus H. and M. Dearing 1937-4-10 861 Riverside 16 mi N of Indio Comment
  UCR97747  Astragalus lentiginosus var. borreganus Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  SD204885  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts. Between Snow Creek Road and Highway 111. 366 Comment
  JOTR33669  Astragalus lentiginosus var. variabilis La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2659 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  PASA2744  Astragalus pachypus var. jaegeri Frank W. Peirson 1922-4-29 2950 Riverside 1 mile south of Dripping Spring, Temecula River 518 Comment
  RSA415656  Astragalus pomonensis T. W. Minthorn 1926-5-13 s.n Riverside Elsinore. Comment
  UCR1655  Astragalus pomonensis Ken Calhoun 1962-4-29 77 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo [Tenaja] Road, 4 mi. west of Murrieta 549 Comment
  UCR37709  Astragalus sabulonum A. C. Sanders, J. M. Stewart 1985-3-24 5408 B Riverside Western Colorado Desert, Coachella Valley, flats along Box Canyon Rd. (Hwy 195), 2.5 mi east of Mecca, 0.7 mi east of Grant Street -15 Comment
  UCSB3025  Astragalus tricarinatus Walker, Clifford 1954-4-10 Riverside East slope of Arroyo near head of White Water Canyon Comment
  CAS-BOT-BC66102  Athyrium filix-femina var. cyclosorum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mt. Comment
  UCSB11774  Athyrium filix-femina var. cyclosorum 1961-8-5 Riverside Along Fuller Mill Creek where it crosses Riverside Highway 1; San Jacinto Mtns 1645 Comment
  SBBG19806  Atrichoseris platyphylla J. R. Haller 1960-4-2 1527 Riverside lower slopes of Orocopia Mtns, ca. 1.5 mi S of jct of US Hwy 60-70 and the entrance rd to Joshua Tree Nat Monument 609 Comment
  SBBG99287  Atrichoseris platyphylla W. L. Halvorson 1977-5-2 77 -17 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  RSA545299  Atriplex canescens R. F. Thorne 1966-10-15 41790 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA5455  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET3930848  Atriplex canescens Stewart C. Sanderson 1993-11-18 93 -039 Riverside North Shore.; 0 Comment
  CAS-BOT-BC170198  Atriplex canescens subsp. canescens Marcus E. Jones 1903-5-8 s.n. Riverside Indio 7 Comment
  JOTR29268  Atriplex canescens subsp. canescens La Doux, Tasha 2005-8-17 1538 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  SD240965  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  UCR214862  Atriplex canescens var. macilenta A. C. Sanders, Richard Dwerlkotte 2010-3-22 37518 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  RSA593914  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1996-4-19 8597 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR123695  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3053 Riverside 122 m west of the San Jacinto River and 2 km north of Nuevo Road, 229 m northwest of the end of 12th St. 431 Comment
  UCR66978  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2058 Riverside c. 6.3 km. west of Hemet, beside a dirt road in an open field, about 440 m west of intersection of Florida and Warren Streets, south side of Florida, c. 267 m from the road edge 500 Comment
  UCR260322  Atriplex davidsonii A. C. Sanders 2015-2-19 41253 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  CAS-BOT-BC158104  Atriplex hymenelytra 0065 Riverside Base of Coxcomb Mts., mile 10.00 Hwy from Desert Center to Rice Comment
  RSA65388  Atriplex hymenelytra F. W. Peirson 1926-2-22 6502 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  RSA676295  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. 61 Comment
  UCR279244  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2017-1-15 42664 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, wash below Canyon Spring in side canyon off Salt Creek, c. 1.5 miles below Red Canyon confluence 345 Comment
  RSA478277  Atriplex lentiformis H. de Forest, Jack Remple 1932-10-23 s.n. Riverside Mecca Comment
  RSA1375  Atriplex polycarpa B. D. Stark 1930-4-1 779 Riverside Cathedral City Comment
  UCR100867  Atriplex polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2707 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR167259  Atriplex polycarpa John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  SEINET3004918  Atriplex rosea G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10336 Riverside Canal two miles north of Blythe. 70 Comment
  CLARK-A1528-401  Atriplex semibaccata John C. Roos 1951-9-25 5278 Riverside Riverside 259 Comment
  SEINET4136287  Atriplex semibaccata N. Duane Atwood 1991-9-6 17071 Riverside 4 mi E of Beaumont along I-10.; 0 Comment
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR128172  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Hemet area, Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm 473 Comment
  UCR201871  Atriplex suberecta Justin M. Wood 2008-9-22 154 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  SEINET6188286 Image available Avena barbata Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-1 4467 Riverside Transversa Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  RSA741420  Azolla filiculoides Justin M. Wood 2008-12-2 257 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR262332  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs, Wash, c. 1.8 air mi southwest of Corn Springs 648 Comment
  SEINET959644  Baccharis douglasii G. K. Helmkamp, E. A. Helmkamp 2004-1 8769 Riverside Southern Central Coast: Surf, NW of Lompoc (Surf 7.5) 9 Comment
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May 17 2014
  RSA450761  Baccharis emoryi J. C. Roos 1965-10-7 s.n. Riverside Fairmont Park Comment
  CLARK-A1528-1638  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Santa Ana River 259 Comment
  CLARK-A1656-735  Baccharis glutinosa Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  SD9147  Baccharis glutinosa C. R. Orcutt Nov 1883 Riverside Riverside Comment
  JEPS40677  Baccharis salicifolia subsp. salicifolia L. M. Newlon 1922-4-3 443 Riverside Andreas Canyon Comment
  CAS-BOT-BC106629  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  UC472157  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside 4 mi nw of Corona; Santa Ana River Comment
  RSA588837  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 0780 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA696791  Baccharis sergiloides J. Russell Bruff 1927-11-24 7 Riverside Whitewater. Comment
  RSA772839  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4724 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65121 604 Comment
  SD40813  Baccharis sergiloides Carl B. Wolf 1932-10-11 4272 Riverside Morongo Wash, Little San Bernardino Mountains; 0.3 miles below San Bernardino County Line. 669 Comment
  UC1118934  Baccharis sergiloides H. S. Yates 1937-3-24 6467 Riverside s of Pinyon Flat; Thermal Quad. 975 Comment
  SD224826  Bahia absinthifolia Daryl Koutnik 1996-7-19 Riverside Riverside: Univ. of CA, Riverside, UCR Botanical Garden. 853 Comment
  SEINET3104137  Bahiopsis parishii Sears 1977-10-12 S-- 559 Riverside Corn Springs Road in Corn Springs wash 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  UC30493  Baileya pauciradiata S. B. Parish Apr 4 1896-Apr 13 1896 4125 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  UC566708  Baileya pauciradiata Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert 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
  UC724347  Baileya pleniradiata Aven Nelson, Ruth A. Nelson 1939-3-30 3339 Riverside between Mecca and Blythe, hwys 60 and 70 Comment
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Feb 3 2011
  UCR134610  Baileya pleniradiata Marisa Sripracha, Kyle Boyd 2004-2-14 017 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR202611  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-7-9 12426 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 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
  SFV11868  Bebbia juncea var. aspera 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
  SEINET3862253  Beloperone californica Sears 1978-3-18 949 Riverside 10 mi. SW of Desert Center, 8 mi S of Interstate 10 on Red Cloud Road following mining Railroad Wash area.; 0 457 Comment
  UC1126277  Berberis aquifolium var. dictyota A. Lewis Mar 1934 323 Riverside Bedford Canyon; Corona Quadrangle, Cleveland Nat'l Forest Comment
  UC1563046  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3224 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of lake); Vail Lake Comment
  UCSB37834  Bergia texana Roos, John 1952-5-28 Riverside San Jacinto river bottomland 1 mile southeast of Perris Comment
  RSA577342  Bernardia incana A. M. Alexander, Louise Kellogg 1941-5-10 2144 Riverside 3 mi. NE of Cottonwood Springs, Eagle Mountains 1037 Comment
  RSA592680  Bernardia incana Scott D. White, Duayne Haselfeld 1996-7-2 4257 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCD142297  Bernardia incana C. W. Tilforth; W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook; S. of Palm Desert; Hiway 74 above Deep Canyon. Comment
  JEPS7826  Bernardia myricifolia Rimo Bacigalupi with L. R. Heckard 1953-5-5 4075 Riverside w. slopes Deep Canyon (ca. 1/2 way betw. Santa Rosa Mts. & San Jacinto Mts., above Seven Level Hill, along Palms-to-Pines Hwy.(CA #74), bordering w. side Coachella Valley); w. Riverside Co., w. Coachella Valley, Deep Canyon 1066 Comment
  CLARK-A1528-5452  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  RSA450130  Bidens pilosa J. C. Roos 1965-8-18 s.n. Riverside In Corona. Comment
  CAS-BOT-BC16095  Boechera californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside San Jacinto Mountains. Northwest of Idyllwild. Along fire road south of south end Marion Ridge Road, Pine Cove. 1938 Comment
  RSA477454  Boechera californica N. C. Cooper 1944-4-22 1135 Riverside Banning, 732 Comment
  RSA0128524  Boechera californica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  CAS-BOT-BC14726  Boechera repanda H. M. Hall 1901-6-1 2449 Riverside San Jacinto Mountains. Tauquitz Valley. 1889 Comment
  SD1495  Boerhavia coccinea Fidella G. Woodcock 1926-3-10 Riverside San Jacinto Mt., Palm Canyon Comment
  UCR225153  Boerhavia coccinea Steve Boyd, Gary Wallace 2005-7-30 11657 B Riverside Peninsular Ranges; San Jacinto Mountains region, Chino Canyon, southern base of the range, upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  UCR242290  Boerhavia erecta var. intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA608164  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCD170133  Boerhavia triquetra var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target. 680 Comment
  RSA781886  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET3092325 Image available Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  RSA192348  Boisduvalia densiflora H. A. Zuill 1966-7-26 298 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA0123173  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell, Andrew Chambers 2016-12-21 10220 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  UC53648  Bothriochloa barbinodis Dr. A. Davidson Riverside Banning Comment
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Mar 13 2011
  UCR128942  Bouteloua aristidoides Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  SEINET5336205  Bouteloua aristidoides H. M. Hall 1905-5-1 5962 Riverside Colorado Desert, Canons along Colorado River, lower Sonoran zone Comment
  RSA796512  Boykinia rotundifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49722 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UC750617  Brandegea bigelovii Lewis S. Rose 1946-12-27 46311 Riverside Dead Indian Creek Wash, Palms to Pines Highway Dead Indian Creek Wash 274 Comment
  UCR244310  Brandegea bigelovii Jim Andre 2012-4-15 20850 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR166431  Brassica A. C. Sanders 1992-2-28 12036 Riverside University of California, Riverside. Botanic Garden 366 Comment
  UCR125272  Brassica rapa A. C. Sanders 2002-11-21 25644 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  CLARK-A1656-707  Brassica tournefortii Theo Glenn 1979-2-16 Riverside San Jacinto Mountains 335 Comment
  RSA651823  Brassica tournefortii Marion P. Harthill 1973-2-17 1552 Riverside Snow Creek, Palm Springs 366 Comment
  RSA0063254  Brassica tournefortii J. B. Feudge 1927-2-25 1660 Riverside Coachella, Colorado Desert. Comment
  RSA5360  Brickellia arguta B. D. Stark 1932-6-17 1530 Riverside Canyons above Cottonwood Springs, Eagle Mts., Colorado Desert 396 Comment
  SBBG66119  Brickellia atractyloides Anstruther Davidson 1893-1 Riverside Palm Springs Comment
  CAS-BOT-BC106338  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  LA203067  Brickellia atractyloides var. arguta Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  JOTR30828  Brickellia californica La Doux, Tasha, Jim Andre 2008-9-16 344 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  UCR176894  Brickellia californica Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  UCR94934  Brickellia californica Scott D. White 1996-9-22 4527 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
  POM351177  Brickellia desertorum N. R. Zabriskie 1971-11-15 463 Riverside Andreas Canyon, E slope San Jacinto Mountains, Riverside Co. 305 Comment
  UC194825  Brickellia incana S. B. Parish 1916-5-13 10848 Riverside Cottonwood Springs, Colorado Desert Colorado Desert, Cottonwood Springs 792 Comment
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Oct 9 2010
  UCSB37838  Brickellia incana Roos, John 1965-6-23 Riverside Colorado Desert; Lost Palms Wash, north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  RSA643100  Brickellia nevinii Orlando Mistretta 1992-8-31 s.n. Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  CLARK-A1528-1522  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside San Jacinto River 426 Comment
  UCR196006  Brodiaea filifolia R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52007 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA92586  Brodiaea filifolia J. C. Roos 1952-5-14 5667 Riverside San Jacinto River bottom 1 mile east of Perris. Comment
  UCR191209  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 911 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 564 Comment
  UCR191211  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-22 934 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: Avenaloca Mesa; north side of Avocado Mesa Road at La Cuesta Road 750 Comment
  SD132932  Brodiaea terrestris subsp. kernensis Tim Cass, Fred Sproul 1979-6-1 201 Riverside Mesa de Colorado, Pool A. (IPB 2/08) Comment
  RSA0020379  Bromus Duncan S. Bell, Keir Morse 2013-3-30 4663 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  SEINET1906759  Bromus arizonicus A. C. Sanders, K. Rose & D. Woodard 1995-1 16221 Riverside San Gorgonia Pass/San Jacinto Mountains: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabazon. 390 Comment
  UCR2204  Bromus carinatus F. M. Reed 1920-6-14 4415 Riverside San Jacinto Mountains, ['Sheer'?] meadows along Strawberry Creek [at Idyllwild] 1616 Comment
  UCD58397  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside One mile north of Riverside. Comment
  UCR43418  Bromus catharticus B. G. Pitzer 1986-5-24 250 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  POM122849  Bromus diandrus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA522269  Bromus diandrus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3515 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UCR156299  Bromus diandrus T. B. Salvato, Kent Beaman 2005-5-16 832 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
  SD137963  Bromus hordeaceus Darin L. Banks 1995-5-3 210 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn.; E of the Dripping Springs Alcove Area; along the lower alluvial benches of Arroyo Seco 500 Comment
  RSA741181  Bromus japonicus Scott D. White, Justin M. Wood 2008-6-17 12168 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR147556  Bromus laevipes Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1286 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCSB9692  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  UCR2245  Bromus rubens F. M. Reed 1922-4-16 4692 Riverside Riverside, buckeye grove, Chicago Ave. 274 Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  UCD59765  Bromus tectorum var. nudus R. N. Raynor 1938-6-20 s.n. Riverside Palms to Pines Highway, between Idyllwild and Herky Creek. Comment
  UCR226085  Bromus trinii A. C. Sanders, Nathan Moorhatch 2011-3-22 38768 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  SBBG133350  Caesalpinia gilliesii S. D. White, A. Carey 2004-7-2 10577 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UC69317  Calandrinia ambigua L. A. Greata Apr. 1905 Riverside Coachella Comment
  RSA487459  Calandrinia ciliata Bill Wagner 1988-3-9 s.n. Riverside Intersection of Thompson, Leon, and Winchester Roads, W of Lake Skinner and NE of Murietta. 415 Comment
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Mar 20 2011
  RSA650084  Calandrinia ciliata Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 762 Comment
  UCR101792  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 1997-3-5 1337 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR19204  Calandrinia ciliata John C. Roos 1966-3-24 s.n. Riverside Winchester 457 Comment
  UCR20863  Calandrinia ciliata Steve Boyd 1980-1 s.n. Riverside Perris Basin, Motte Reserve; rocky hills 2.5 mi NW of Perris 518 Comment
  SD68962  Callitriche marginata Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37574 Riverside Santa Rosa Plateau; wet mud at margin of vernal marsh on Mesa de Colorado, Rancho California. 669 Comment
  UCR35284  Calochortus concolor L. B. Ziegler 1967-6-27 180 Riverside San Jacinto Mtns., Hemet Valley. Slopes above Kenworthy Ranger Station. 1524 Comment
  UCR202609  Calochortus palmeri var. munzii Scott D. White, Justin M. Wood 2008-7-9 12417 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR208195  Calochortus palmeri var. munzii Mark A. Elvin, Orlando Mistretta 1995-6-1 43 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, off Fobes Ranch Road 1375 Comment
  CSUSB400  Calochortus splendens Bruce Freeman 1968-5-11 680511 5 Riverside Santa Ana Mountains Santa Ana Mountains. 7.7 miles from Washington Ave., in Murrieta, on road from Murrieta to De Luz. 182 Comment
  UCR48348  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  SD245188  Calochortus weedii var. weedii R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49545 Riverside Santa Ana Mountains; along Ortega Highway (74), about 2 miles south-southwest of El Cariso. Comment
  JOTR29598  Calycoseris parryi Andre, Jim 2006-4-26 6755 Riverside Joshua Tree National Park. abpit 0.5 mi. NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  JOTR31999  Calycoseris parryi La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2229 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UCR1625  Calycoseris parryi Leland R. Dykes 1962-4-1 9 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  RSA0120488  Calycoseris wrightii Duncan S. Bell, Thomas Stoughton 2016-3-17 8960 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  RSA176351  Calycoseris wrightii R. F. Thorne 1963-3-29 32423 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  UC68980  Calycoseris wrightii H. M. Hall 1905-4-1 5966 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  SBBG35571  Calyptridium monandrum D. Myrick 1966-4-2 1331 Riverside upper end of Aqueduct Rd ca. 10 mi SE of Desert Hot Springs Comment
  SBBG94913  Calyptridium monandrum E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of Pechanga Indian Reservation 365 Comment
  UCR21973  Calystegia macrostegia Steve Boyd 1980-5-5 199 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA586129  Calystegia macrostegia subsp. arida D. L. Banks 1995-4-11 0172 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  RSA263767  Calystegia macrostegia subsp. intermedia E. W. Lathrop 1968-5-17 6885 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1067 Comment
  HSC6379  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA734501  Calystegia macrostegia subsp. tenuifolia Michael Wall 2008-5-31 465 Riverside San Jacinto Valley, Bautista Rd. south east of Hemet; along Bautista road, ca. 5.5 miles SE of Fairview Ave. 732 Comment
  UCR207596  Calystegia sepium subsp. binghamiae O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  SEINET10805071  Camissonia Jennifer H. Jones, Thi (Teresa) Bui; Holly Summers 2006-5-31 Jones 342 Riverside Peninsular Ranges; San Jacinto Mtns.: Just down Mt. Edna Road W off of CA Hwy. 243 (Cabazon 7.5'Q). N facing slope, chaparral with Adenostoma fasciculatum, Eriodictyon crassifolium, Erio gonum fasciculatum and Lotus scoparius. Sandy soil. 1146 Comment
  RSA465930  Camissonia bistorta Ora M. Clark 1929-2-23 1664 Riverside near Whitewater Comment
  RSA612487  Camissonia bistorta D. L. Banks 1997-2-23 1330 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
  POM13037  Camissonia brevipes subsp. brevipes P. A. Munz, D. D. Keck 1922-4-9 4894 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA136655  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11569 Riverside Chuckwalla Mountains. On slopes above wash, Corn Springs. Comment
  RSA49362  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-11 13003 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  SJSU10932  Camissonia brevipes subsp. brevipes T. N. Seeno 1963-4-12 273 Riverside 45 mi W of Blythe near Desert Center Comment
  RSA343096  Camissonia californica Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60619 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA720296  Camissonia californica Mitch Provance, J. S. Ross 1998-3-27 1003 Riverside Morongo Indian Reservation, road to Lion Canyon, ca. 1 mi. NE of the town of Cabazon. 549 Comment
  UCR156103  Camissonia californica T. B. Salvato, Kent Beaman 2005-5-16 849 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
  POM3108  Camissonia campestris subsp. campestris C. F. Baker 1904-4-5 s.n. Riverside Hemet Comment
  POM37752  Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
  RSA135223  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11425 Riverside United States Highway 99 [Hwy 10], 6.5 miles north-west of Indio. Comment
  RSA448969  Camissonia claviformis subsp. yumae N. R. Zabriskie, Walter Zabriskie 1973-3-19 577 Riverside Triangle formed S of Freeway (I-10), N of Ramon Rd., E of intersection with Bob Hope Dr., N of Palm Desert, Coachella Valley. (Site 19). 61 Comment
  UC1537607  Camissonia contorta Gordon H. True Jr. 1935-2-22 12 Riverside Mockingbird Canyon Comment
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Jun 24 2020
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  UCR12573  Camissonia hirtella Bill Schultz 1972-4-30 720430- 5 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR202233  Camissonia hirtella Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  POM9607  Camissonia ignota I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  UCR51022  Camissonia micrantha S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  RSA710937  Camissonia pallida A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  SEINET242054  Camissonia pallida A. C. Sanders 2001-3-20 23854 Riverside Western Colorado Desert: Coachella Vly, Garnet, N side of 19th Ave, 0.5 mi (air) NW of intersxn of I-10 and Indian Ave. 235 Comment
  UCR116465  Camissonia strigulosa A. C. Sanders, T. B. Salvato 2001-3-30 23862 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
  UCR90594  Camissonia strigulosa Scott D. White 1995-6-29 3375 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  RSA651720  Camissonia strigulosa Margaret Murphy 1983-5-15 0025 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UC1122272  Camissoniopsis pallida subsp. pallida H. S. Yates 1937-3-23 6401 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  CDA20469  Cannabis indica R. W. Schaffer 2004-3-18 PDR 1262001 Riverside Southern California; Ave 44 & Dillon in Indio. 0 Comment
  CAS-BOT-BC18449  Carex abrupta F. M. Reed 1908-7-11 s.n. Riverside East slope of San Jacinto Peak. 2926 Comment
  POM14318  Carex alma Phillip A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mile above mouth of Strawberry Creek. 1159 Comment
  RSA596543  Carex barbarae Darin L. Banks, Lauren Raz 1996-8-29 1142 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  CAS-BOT-BC20703  Carex fracta Carl B. Wolf 1932-8-5 3983 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  CAS-BOT-BC31692  Carex mariposana H. M. Hall 1901-7-1 2416 Riverside San Jacinto Mountains, among rocks near the Summit 3291 Comment
  CAS-BOT-BC32035  Carex multicaulis P. M. Kamb 1948-7-3 1148 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC32036  Carex multicaulis J. P. Simon; C. W. Tilforth 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mts., 1676 Comment
  CAS-BOT-BC119865  Carex nebrascensis Peter H. Raven 1959-5-18 14239 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  RSA364643  Carex phaeocephala George R. Johnstone 1928-10-3 s.n. Riverside San Jacinto Mountain. Summit. 3293 Comment
  RSA714447  Carex praegracilis T. B. Salvato 2004-5-27 601 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA364711  Carex subfusca M. B. Dunkle 1933-7-23 3759 Riverside San Jacinto Peak, San Jacinto Mountains. 3049 Comment
  SDSU17498  Carex triquetra Jerry Jenkins 2001-4-1 2001 -021 Riverside Santa Margarita Ecological Reserve. Sides of shaded road under oaks. UTM zone 6, 482900E, 3699300N. UTM transfered to GIS. Comment
  POM71674  Castilleja applegatei subsp. martinii Philip A. Munz, I. M. Johnston 1924-7-27 8726 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UCR132858  Castilleja densiflora Kent Beaman 1983-4-24 30 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road 8 miles west of Hwy 15 to Tenaja Rd., 2.5 miles west to where road begins to go up over pass at west edge of open grassy area , SE foot of Squaw Mountain 671 Comment
  RSA586141  Castilleja exserta subsp. exserta D. L. Banks 1995-4-11 184 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trai. 512 Comment
  RSA586866  Castilleja exserta subsp. exserta D. L. Banks, S. D. Boyd 1995-5-3 285 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD90187  Castilleja exserta subsp. exserta Benjamin C. Stone April 1952 41 Riverside near Temecula 305 Comment
  SD137615  Castilleja foliolosa Darin L. Banks 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. area. 789 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
  RSA0010958  Castilleja miniata subsp. miniata Verne Grant, Alva Grant 1951-7-20 16098 Riverside Idyllwild 1646 Comment
  POM4334  Castilleja minor subsp. spiralis Crawford, J. M. Johnston 1917-6-9 1222 Riverside Santa Ana River Comment
  UC26509  Castilleja minor subsp. spiralis E. L. Koethen 1897-10-27 Riverside W. Riverside; Riverside Comment
  RSA0010916  Castilleja minor subsp. spiralis Philip A. Munz, I. M. Johnston 1924-7-29 8826 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  UCR4416  Caulanthus cooperi Frank C. Vasek 1960-3-24 600324- 29 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
  JEPS26994  Caulanthus hallii W. L. Jepson 1914-5-18 6002 Riverside n Indio (Pinon Well); Colorado Desert, , n of Indio 762 Comment
  UC1492739  Caulanthus hallii Freed W. Hoffman 1950-4-26 3351 Riverside road to summit El Toro Mt. 2.6 mi from intersection with Palms-to-Pines Highway 74; road to summit El Toro Mt. Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  UCR89848  Caulanthus heterophyllus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3313 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CAS-BOT-BC48620  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  RSA569986  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7919 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. 792 Comment
  RSA569994  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7902 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
  RSA606733  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27420 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  LA42002  Ceanothus cuneatus W. E. Pequegnat; 1939-4-8 50 Riverside Mira Loma Comment
  LA44870  Ceanothus leucodermis W. Pequegnat; 1939-4-8 44 Riverside Santa Ana Mountains Comment
  RSA650463  Ceanothus leucodermis Edward Kai 1970-5-21 s.n. Riverside Idyllwild - off Hwy 74 San Bern. Nat. Forest. below 6000' 1829 Comment
  UCR182565  Ceanothus leucodermis Andrea Salzman 2006-5-16 115 Riverside Peninsular Range, Silverado site, Durasno Valley 1346 Comment
  UCR92191  Ceanothus leucodermis D. L. Banks, Steve Boyd 1995-3-16 0098 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  CAS-BOT-BC51650  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  RSA569998  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7914 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. 792 Comment
  RSA606746  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27402 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA761995  Ceanothus palmeri Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 77 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD225088  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild Area: USFS Rd. 5S10 at jct. w/foot trail 2E16, at an intermittent stream channel. 1631 Comment
  RSA0022326  Ceanothus perplexans Scott D. White, Angelia Carey 2004-7-2 10591 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 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
  PASA2513  Ceanothus sorediatus Frank W. Peirson 1931-5-30 Riverside Santiago Peak 1219 Comment
  RSA561075  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 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
  CDA31194  Ceanothus tomentosus Mike Lahti 2010-3-3 PDR# 1358656 Riverside Approximately, 8 miles south of Hemet at Sage Road and Red Mountain Road. 0 Comment
  UC1292593  Ceanothus tomentosus C. L. Hitchcock 1964-3-17 23107 Riverside 10 miles N of Pala, on road to Elsinore Comment
  RSA488921  Centaurea melitensis Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UC30938  Centaurea melitensis Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR174448  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32505 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR21550  Centaurium venustum W. W. Mayhew 1980-7-18 s.n. Riverside Santa Rosa Mtns., 1 mi. south of Hwy 74 on the road to Santa Rosa Peak. 1585 Comment
  UCR281273  Centromadia pungens subsp. laevis Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 49 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  JOTR33968  Centrostegia thurberi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2854 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
  CAS-BOT-BC388358  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Gavilan Hills-Gavilan Hills: Harford Springs Co. Park Comment
  UC52162  Cercidium floridum subsp. floridum E. E. Schellenger 1903-6 6 Riverside Chucawalla Bench Colorado Desert Comment
  POM187418  Cercocarpus ledifolius L. Crutcher 1933-8-22 4 Riverside Red Tahquitz, San Jacinto Mountains. Comment
  UCR47218  Chaenactis artemisiifolia B. G. Pitzer, L. F. LaPre 1987-3-2 425 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  OBI38347  Chaenactis carphoclinia A. C. Sanders, Pitzer, Charlton, & Kniffen, Kniffen 1986-3-3 6110 Riverside Corn Spring, Chuckwalla Mts, wash below the srping and wash and rocky slopes to the S. T6S, R16E, sec 28-projected 488 Comment
  RSA176336  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1963-3-29 32443 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  RSA554246  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-20 91 -101 Riverside Colorado Desert, Arica Mts, SW of Rice. 320 Comment
  UC565569  Chaenactis carphoclinia var. carphoclinia Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  CAS-BOT-BC276904  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles N of Cottonwood Springs, Eagle Mountains 914 Comment
  CAS-BOT-BC276911  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning Comment
  CAS-BOT-BC276915  Chaenactis fremontii L. R. Abrams 1926-3-25 11045 Riverside Between Banning and Cabazon Comment
  CAS-BOT-BC276937  Chaenactis fremontii S. B. Parish 1896-4-4 4119 Riverside Palm Springs, {Agua Caliente), desert base of San Jacinto Mountain 213 Comment
  JOTR30640  Chaenactis fremontii La Doux, Tasha, Erin Babich 2008-4-21 1802 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  RSA314651  Chaenactis fremontii R. F. Thorne 1983-4-23 55491 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR133425  Chaenactis glabriuscula Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 209 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCSB41266  Chaenactis glabriuscula Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. w/ Hwy. 11 at Indian Wells 210 Comment
  CAS-BOT-BC277410  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1992-4-15 6879 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  RSA263714  Chaenactis glabriuscula var. glabriuscula George E. Johnston, E. W. Lathrop 1975-6-13 s.n. Riverside 5 miles W Murrieta, Los Gatos Road, S slope of Mesa de colorado Comment
  RSA594772  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Dylan Hannon 1996-5-3 0993 B Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  UC598737  Chaenactis glabriuscula var. glabriuscula John Bright 1936-4-21 12861 Riverside s of Palm Springs (foothills of San Jacinto Mts.); San Jacinto Mts. Comment
  UCR137686  Chaenactis glabriuscula var. glabriuscula D. L. Banks, V. W. Steinmann 1997-3-13 1482 A 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
  RSA97129  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1925-5-20 9826 Riverside 2 miles W of Dripping Spring. 427 Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  POM49418  Chaenactis parishii H. M. Hall 1901-06 2128 Riverside Santa Rosa Mountain. Coyote Canyon. 1524 Comment
  UC31030  Chaenactis parishii H. M. Hall 1899-5-1 1178 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mtn., Coyote Canyon 1524 Comment
  UCR196384  Chaenactis stevioides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1422 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  POM188401  Chamaesyce micromera Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  RSA781417  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2997 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  POM86120  Chamaesyce polycarpa var. hirtella Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  JEPS52354  Chamaesyce serpyllifolia Carl V. Meyer 1928-7-30 587 Riverside Saunder's Meadow Comment
  RSA670445  Chamaesyce setiloba B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  UCR105433  Cheilanthes covillei A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20692 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
  UCR135714  Cheilanthes covillei Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9014 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  JOTR34127  Cheilanthes parryi Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21085 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  RSA336041  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52022 Riverside Chino Canyon Comment
  UC668372  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-4-22 2061 Riverside White Water Canyon; Colorado Desert 548 Comment
  UCR105987  Cheilanthes parryi L. C. Wheeler 1952-12-15 7026 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  UCR115925  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Riverside, 'Jilberto's Mexican Restaurant', c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  UCR120310  Chenopodium Mitch Provance 1997-6-18 1102 Riverside City of Riverside, Riverside Community College, between the NE (back) parking lot and Prospect Dr. 244 Comment
  SD234928  Chenopodium desiccatum Mitch Provance 2003-6-7 7611 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  SD236268  Chenopodium murale John F. Green 2005-3-3 Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca 4 mi N of Niland; between siphons 10 and 11 (Wister 7.5'Q) 14 Comment
  RSA27511  Chenopodium murale I. L. Wiggins 1941-3-24 9584 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line. Comment
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Feb 20 2013
  HSC79286  Chilopsis linearis G. K. Helmkamp 1984-5-5 - 9 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  SBBG133564  Chilopsis linearis S. D. White, A. Carey 2004-7-2 10565 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  RSA679073  Chimaphila umbellata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1444 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA585048  Chloris truncata V. McAfee-Jacobs, B. R. Drake 1995-11-6 1 Riverside Temecula: Drake Enterprises vineyard at Buck Rd. and Berenda Road Comment
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Apr 10 2009
  RSA718829  Chorizanthe brevicornu Michael Honer, L. Hulse 2004-4-3 1922 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  HSC49386  Chorizanthe brevicornu var. brevicornu D. L. Goforth 1979-4-1 110 Riverside Box Canyon 10 mi. E of Mecca on Hwy. 195 220 Comment
  UCR228933  Chorizanthe coriacea A. C. Sanders 2011-4-6 39000 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
  RSA392656  Chorizanthe corrugata Unspecified 1920-04 s.n. Riverside Mecca. Comment
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Oct 26 2009
  RSA517910  Chorizanthe corrugata Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1315 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SEINET4182863  Chorizanthe corrugata N. Holmgren, P. Holmgren, R. Kern 1973-3-23 6489 Riverside Palen Valley, 15 miles northeast of Desert Center 183 Comment
  RSA674572  Chorizanthe fimbriata Scott D. White 2000-5-3 7763 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of 'Red Hawk' subdivision. 351 Comment
  SEINET7081594  Chorizanthe fimbriata A. G. Vestal 1947-6-13 s.n. Riverside Grade in burned chaparal. About 5.2 miles northeast of De Luz on the De Luz-Murrieta Road. Coordinate Datum: NAD27. UTM Zone 11, 474176mE, 3702756mN. Comment
  UCR174622  Chorizanthe fimbriata Jennifer H. Jones 2006-6-6 387 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR205450  Chorizanthe leptotheca Diane Menuz 2008-6-19 465 Riverside Peninsular Ranges: San Jacinto Mts, Garner Valley; c 0.3 mi east of Hwy 74, north of Morris Ranch Rd 1374 Comment
  RSA525679  Chorizanthe parryi var. parryi Steve Boyd, Arnseth, Rasmussen, Cota 1990-5-3 4550 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  UCR215794  Chorizanthe parryi var. parryi Anuja Parikh 1990-4-27 161 Riverside southwest of Crown Valley, west of Rawson Canyon, 1.7 km southwest of the intersection of Crown Valley Road and Rawson Road 666 Comment
  UCR266337  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-5-4 2337 Riverside Peninsular Range; Gavilan Hills area, south of Lake Mathews, SE of Black Rocks & NW of Monument Peak 474 Comment
  UC1543906  Chorizanthe polygonoides var. longispina Barbara Ertter and Jeffrey Strachan 1980-5-22 3490 Riverside Dripping Springs Campground Cleveland National Forest (hills on e side, near Hwy 79 between Aguanga and Temecula, n of Wild Horse Peak) 609 Comment
  UCR217497  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-7 042 Riverside Santa Ana Mtns, San Mateo Cyn (West), 1.1km west of Wildomar Rd., and 500m southwest of Tenaja Trail 655 Comment
  UCR217538  Chorizanthe polygonoides var. longispina Diane Menuz 2008-3-27 388 Riverside Peninsular Range: Santa Ana Mountains, Santa Rosa Plateau. Along Waterline Rd., near Mesa de Burro. 581 Comment
  UCR237874  Chorizanthe polygonoides var. longispina Mark A. Elvin 2003-3-26 2365 B Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  SJSU9101  Chorizanthe rigida R. C. McGehee 1970-4-15 200 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UCSB1342  Chorizanthe rigida Graney, Don 1953-3-21 Riverside 13 miles east of Indio, Colorado Desert Comment
  UCSB1370  Chorizanthe rigida Haller, John 1960-4-2 Riverside at north base of Orocopia Mtns., 1.3 miles south of the junc. of US 60-70 & the south entrance road to Joshua Tree Nat. Mon. 487 Comment
  UCR139166  Chorizanthe staticoides S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR87654  Chorizanthe xanti A. C. Sanders 1994-5-29 14577 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SEINET2049586 Image available Chrysanthemum carinatum Claudia Petrie 1988-4-1 Riverside State University, Grown in experimental fields at U.C. Riverside. Comment
  SD224832  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. Rocky creek bed 883 Comment
  SD241105  Chylismia brevipes subsp. brevipes Dave Silverman, Mark Bibbo 2010-3-31 7893 Riverside Southern McCoy Mountains, east bajada flank, 1.6 km W of Black Creek Road, 7.0 km NE of McCoy Peak and 6.8 km north of I-10. 178 Comment
  UC700972  Chylismia brevipes subsp. brevipes Aven and Ruth Nelson 1939-3-29 3329 Riverside near Hidden Springs Canyon Comment
  UCR244883  Chylismia cardiophylla subsp. cardiophylla Jim Andre 2012-3-19 21391 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  CAS-BOT-BC160588  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  UC1184373  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11752 Riverside along US Hwy 95 37.5 mi n Blythe (near Colorado River) Comment
  UC520280  Chylismia claviformis subsp. aurantiaca A. N. Dunn and A. M. Martin 1932-3-26 Riverside Coachella Comment
  UC724197  Chylismia claviformis subsp. aurantiaca Aven Nelson, Ruth A. Nelson 1939-3-22 3215 Riverside Hwy 99 near Palm Springs Comment
  CLARK-A1528-191  Cirsium californicum Rand Ch. Isbell 1970-5-24 16 Riverside Riverside 640 Comment
  UCR22106  Cirsium occidentale Steve Boyd 1980-5-15 254 A Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC289646  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside Vicintiy of Chalk Hill, San Jacinto Mountains 1584 Comment
  RSA752785  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2009-5-21 12836 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR161401  Cirsium occidentale var. californicum A. C. Sanders, Mike Misenhelter 2005-9-20 31673 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR165605  Cirsium occidentale var. californicum T. B. Salvato, John F. Green 2004-5-27 707 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
  UC1929620  Cirsium occidentale var. occidentale Scott D. White 2003-3-21 8796 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  RSA0070886  Cirsium scariosum G. R. Campbell 1951-5-30 16156 Riverside Northern end of Hemet Valley, San Jacinto Mountains. 1616 Comment
  POM182082  Cistanthe monandra P. A. Munz 1932-3-14 11978 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA791720  Clarkia Robert F. Thorne, Walter Wisura, David Mitchener 1982-05 55196 Riverside Cleveland National Forest: Along Ortega Hwy. 732 Comment
  POM15054  Clarkia dudleyana Mary F. Spencer 1922-6-30 1704 Riverside Brook Camp, San Jacinto Mountains. Comment
  UCR280618  Clarkia epilobioides Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 06 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  SBBG104720  Clarkia purpurea M. A. Patten 1992-5-28 92 -11 Riverside just E of Temecula, between Pauba Rd and De Portola Rd; W boundary of site adjacent to Butterfield Stage Rd 365 Comment
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Aug 24 2013
  UC1532828  Clarkia purpurea Robert F. Thorne, Earl Lathrop 1975-5-25 45559 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  JEPS1949 Image available Clarkia purpurea subsp. quadrivulnera H. M. Hall 1905-6-3 6240 Riverside vicinity Riverside (e base of mountain); Box Springs Mt.; Eastern base of Box Springs Mt., vicinty of Riverside 533 Comment
  CAS-BOT-BC164763  Clarkia rhomboidea Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC20031  Clarkia rhomboidea H. M. Hall June, 1901 2270 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR158314  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30050 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
  RSA0013703  Claytonia LeRoy Gross, Grace Cho 2013-4-9 5999 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
  SDSU12921  Claytonia parviflora subsp. parviflora J. Jill Steinberg with Janet Knotts 1998-3-11 5 Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 305 Comment
  UCR149994  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR49233  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR16938  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  CLARK-A1528-5111  Clematis ligusticifolia John C. Roos 1951-9-25 5252 Riverside Riverside 259 Comment
  UCR113538  Clematis pauciflora Mitch Provance 1998-6-6 689 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA66774  Cleome isomeris F. W. Peirson 1921-3-19 1923 Riverside Whitewater Grade near Cabazon, western edge of Colorado Desert. Comment
  HSC79301  Clinopodium chandleri James Henrickson 1972-5-21 7196 Riverside 2 mi. W of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Road 396 Comment
  RSA0117465  Collinsia concolor LeRoy Gross, Evan Meyer 2013-5-21 6110 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR195133  Collinsia concolor A. C. Sanders, Tim Thomas 2008-8-1 35961 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA0117410  Collinsia concolor R. C. Bacigalupi, Gene Newcomb 1954-4-25 4401 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  POM128498  Collinsia heterophylla Thomas Craig 1927-4-23 209 Riverside Glen Ivy. Comment
  UCR100821  Collinsia heterophylla G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  RSA0117396  Collinsia parryi Robert Allen, L. Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  SBBG101698  Conium maculatum S. Boyd, T. Ross 1991-6-14 6378 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA543901  Convolvulus simulans Steve Boyd 1991-3-20 6268 Riverside Temescal Cyn, S flank of Alberhill Mt., W end adjacent to old clay mine area. 426 Comment
  UCR22020  Conyza coulteri Steve Boyd 1980-9-12 350 Riverside Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau. Comment
  UC219572  Corallorhiza maculata P. A. Munz 1922-6-28 5865 Riverside Santa Rosa Santa Rosa Mts. (along creek) 2133 Comment
  UCR146125  Cordylanthus nevinii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1453 Riverside Peninsular Ranges; San Jacinto Mountains, Northeast of South Ridge trailhead, east of Idyllwild 2012 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
  RSA0010992  Cordylanthus rigidus subsp. setiger A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail from Dolomite Mine to Horsethief Creek. 1200 Comment
  SD143944  Cornus glabrata A. C. Sanders, T. Tennant 1997-11-14 21596 Riverside San Bernardino Mountains; Morongo India Reservation, west end of Burro Flats. 1159 Comment
  UCR51857  Coronopus didymus Steve Boyd 1987-5-9 2085 Riverside Riverside, J.V. Boyd Residence, 2307 Oak Crest 366 Comment
  SEINET11044816  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  RSA586870  Cotula australis D. L. Banks, Steve Boyd 1995-5-3 0289 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  GMDRC6925  Crassula connata J. M. Andre 2015-3-2 31357 Riverside along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 529 Comment
  UCR97293  Crassula solieri Scott D. White 1993-3-12 1151 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  CAS-BOT-BC334202  Crinodendron patagua O. F. Clarke 2007-6-3 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  SD119916  Crocanthemum scoparium var. vulgare Louis B. Ziegler 1971-9-29 430 Riverside Hills west of Murrieta. 409 Comment
  CAS-BOT-BC181569  Crossosoma bigelovii Annie M. Alexander; Louise Kellogg 1941-4-24 2074 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  UCD102968  Crossosoma bigelovii P. 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. 670 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
  RSA0036098  Croton californicus Norman Cooper 1944-4-23 1141 Riverside Cabazon. 457 Comment
  POM87349  Croton californicus var. mohavensis Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UCR141253  Croton setiger A. C. Sanders, Kelly Volansky 2004-10-6 28819 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR89778  Crypsis vaginiflora 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
  UC604980  Cryptantha angustifolia Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9515 Riverside 19 mi from Cottonwood Springs (ne of Pinto Basin); Pinto Basin Comment
  UCR166012  Cryptantha angustifolia Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  SEINET10455842  Cryptantha angustifolia David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-13 Dunn 2892 Riverside Pushawalla Canyon Biota. Indio Hills. Steep slopes on canyon side. Comment
  RSA712692  Cryptantha barbigera George K. Helmkamp 1984-5-2 D- 10 Riverside Big Morongo Canyon, 3 - 3.5 miles below the caretakers s house at the Big Morongo Preserve. 549 Comment
  UCR163919  Cryptantha barbigera A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29138 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  GMDRC7789  Cryptantha barbigera var. fergusoniae J. M. Andre 2015-3-6 33550 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  SDSU20603  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2006-3-27 1006 Riverside Northwest Coachella Valley. Roadside on Intersection of Painted Hills and Worsley Roads, east of SR62. 387 Comment
  UCR196105  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8148 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  UCR115343  Cryptantha corollata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16268 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR127337  Cryptantha corollata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25853 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR214407  Cryptantha costata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37513 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. ESE (98 deg. ) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 129 Comment
  UCR85077  Cryptantha costata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16021 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CLARK-A1528-330  Cryptantha decipiens Glen W. Forister 1967-4-24 Riverside Whitewater Canyon 609 Comment
  SBBG35066  Cryptantha decipiens T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR132767  Cryptantha decipiens George K. Helmkamp 1984-5-2 D- 27 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  SEINET4565900  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Sonoran (Colorado) Desert; Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  HSC3605  Cryptantha flavoculata R. A. Eagle 1964-3-28 19 Riverside 5 mi. out of Palm Springs on the Thunderbird Rd. Comment
  SEINET10455939  Cryptantha gracilis David B. Dunn 1946-3-16 Dunn 2067 Riverside On same sheet as Conrad 6639, UMO 110306. Collected on dry plateau 1/2 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  HSC86914  Cryptantha intermedia S. J. Myers 1988-2-1 Riverside Boulder Springs development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 Comment
  RSA182347  Cryptantha intermedia J. D. Olmsted 1962-5-2 3445 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA499709  Cryptantha intermedia Ora M. Clark 1929-4-6 1938 Riverside W. San Jacinto Comment
  SBBG53744  Cryptantha intermedia S. Boyd 1980-4-8 Riverside Harford Springs County Park, located on the NW corner of the Gavilan Plateau Comment
  UC1063968  Cryptantha intermedia H. S. Yates 1936-4-7 5428 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UC572596  Cryptantha intermedia H. S. Yates 1936-4-7 5428 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UCR133979  Cryptantha intermedia Mitch Provance, J. S. Ross 1998-3-27 MOR- 976 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UCR166161  Cryptantha intermedia John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR60611  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3172 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  JEPS67683  Cryptantha maritima E. E. Schellenger 1920-5-1 25 s Riverside e of Coachella 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
  UC79467  Cryptantha maritima W. G. Wright Mar 1890 Riverside Colorado Desert Comment
  UCR41597  Cryptantha maritima A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6121 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR92488  Cryptantha maritima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SFV20143  Cryptantha micrantha J. N. Hogue, J. M. Wrublik 2000-5-30 153 .3 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  UC1241172  Cryptantha micrantha Peter H. Raven 1959-5-18 14241 Riverside Lake Fulmor Comment
  GMDRC2051  Cryptantha micrantha var. lepida J. Andre 2006-4-26 6769 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 1116.44661164471 deg. 43681' W. Elev. 44661 ft. 1325 Comment
  POM48717  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1924-7-29 8843 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA171377  Cryptantha micrantha var. lepida J. D. Olmsted 1962-5-3 3503 Riverside On Thomas Mt. 1616 Comment
  RSA499651  Cryptantha micrantha var. lepida Christopher Davidson 1975-6-16 2819 Riverside 2 miles N of Alandale station on road R1 from Idyllwild to Banning. 1646 Comment
  RSA511347  Cryptantha micrantha var. lepida B. Pitzer 1988-3-12 662 Riverside Santa Rosa Mtns., Pinyon Flats Campground. 1220 Comment
  UC1537676  Cryptantha micromeres Gordon H. True Jr. 1935-4-1 198 Riverside Box Springs 365 Comment
  UCR20701  Cryptantha microstachys A. C. Sanders 1980-5-14 1458 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UC284896  Cryptantha muricata P. A. Munz 1923-6-14 7058 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  UC729470  Cryptantha muricata Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  RSA0043033  Cryptantha racemosa Duncan S. Bell, Evan Meyer 2014-4-3 6534 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  JOTR16629  Cryptantha utahensis Liska, K. and Leary, Pat 1975-3-11 958 Riverside Joshua Tree National Park. WEST WIDE CANYON 609 Comment
  SBBG121536  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd; Lakeview Mtns 550 Comment
  UC1075573  Cucurbita palmata P. C. Everett and E. K. Balls 1956-5-2 21550 Riverside 1 mi. from turn-off w. of Desert Center to Eagle Mt. 274 Comment
  RSA263654  Cupressus forbesii E. W. Lathrop 1977-4-20 7607 Riverside Beford Truck Trail of the Cleveland Nat'l. Forest, Trabuco District. 3.8 miles below the Main Divide Truck Trail and the North side of the Bedford Truck Trail. 914 Comment
  SFV7077  Cuscuta campestris T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 777 Riverside Bottomlands of Colorado River at Agnes Wilson Road. 104 Comment
  RSA13685  Cuscuta salina P. A. Munz, I. M. Johnson 1922-5-18 5410 Riverside 1 mile west of Hemet Comment
  UCR266411  Cycloloma atriplicifolium D. E. Bramlet, Fred M. Roberts 2005-6-6 3872 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  UCR86869  Cycloloma atriplicifolium A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16278 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR19706  Cyclospermum leptophyllum John C. Roos, L. Roos 1953-5-9 5917 Riverside Riverside, Fairmont Park 259 Comment
  CAS-BOT-BC59396  Cylindropuntia bigelovii var. bigelovii L. R. Abrams 1926-3-26 11212 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SD140516  Cylindropuntia californica var. parkeri Jon P. Rebman, Andrew Salywon 1997-3-21 3833 Riverside Along Highway 371, 2.7 miles southwest of junction with Highway 74. (IPB 7/07) 1170 Comment
  RSA0083603  Cylindropuntia chuckwallensis Marc Baker, Michelle Cloud-Hughes 2012-4-9 17536 Riverside North side of Chuckwalla Mountains, 1.7 km NNE of Chuckwalla Spring, 57 km west of Blythe. 500 Comment
  SEINET5624443 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .1 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  RSA544301  Cynara cardunculus Steve Boyd 1991-7-13 6406 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  UCR241812  Cynara cardunculus A. C. Sanders, John F. Green 2013-3-27 40690 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  RSA599109  Cynodon dactylon V. W. Steinmann 1996-4-13 830 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  RSA118958  Cynodon dactylon L. S. Rose 1957-1-3 57003 Riverside La Quinta. 15 Comment
  UCR188893  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA630336  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  RSA737321  Cyperus eragrostis Justin M. Wood 2008-9-22 155 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR168544  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  UCR113867  Cyperus involucratus Mitch Provance 2000-6-24 2058 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CAS-BOT-BC113967  Cyperus odoratus J. Ewan 1931-10-3 s.n. Riverside Wet sand along river bank, Santa Ana River, 4 mi NW of Corona. Comment
  CDA38903  Cyperus odoratus T. C. Fuller 1961-10-18 7161 Riverside Santa Ana River Canyon at Green River Golf Course, Highway 91. 0 Comment
  CDA2606  Cyperus retrorsus S. Morgan 1994-9-13 Riverside On the UCR campus in the Botanic Garden, Riverside. 0 Comment
  SFV127  Cystopteris fragilis J. H. Wood 1958-5-30 s. n. Riverside San Jacinto Mountains 1829 Comment
  POM254735  Dalea mollis P. A. Munz 1940-3-23 15689 Riverside Gold Crown mine, Pinto Mts. east of 29 Palms. 915 Comment
  RSA708494  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land northeast of the I-10 Freeway interchange at Jefferson. 12 Comment
  UC1563095  Dalea mollis Steve Boyd and Orlando Mistretta 1986-3-13 1428 Riverside n.e. Desert Center (juction of Parker Dam Rd. and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges)); Palen Mts. 243 Comment
  UCSB3054  Dalea mollis Broder, Richard 1958-03 Riverside 5.8 miles E of Desert Center on U.S. 60-70 Comment
  RSA0107853  Dalea mollissima Duncan S. Bell, Amanda Turek 2009-3-30 163 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  SEINET906509  Dalea mollissima A. C. Sanders 1986-1 6067 Riverside Chuckwalla Valley, ca. 1/2 mile W of Graham Pass on powerline road 1/2 mile S of Old Hwy 60 (Chuckwalla Road) Comment
  RSA787122  Datisca glomerata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UC19643  Datisca glomerata H. M. Hall Aug 1897 834 Riverside San Jacinto Mountains, Riverside Riverside; San Jacinto Mountains, Riverside 1615 Comment
  UCR35197  Datisca glomerata L. B. Ziegler 1969-7-30 389 Riverside San Jacinto Mountains, Hemet Valley. In dry creek bed in side canyon on W side of valley opposite Kenworthy R.S. 1341 Comment
  RSA717450  Datura discolor Scott D. White, Pam De Vries 2006-3-14 11262 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA789364  Datura wrightii Aaron C. Sedgwick, David Fraker 2012-3-28 39 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC1929900  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  SDSU13680  Daucus pusillus Jutta Buschbom 1991-3-6 11 Riverside SE-Slope, N-Border of reserve, beyond an avocado grove, ca. 500m (15 min.) NW from the fieldstation. Santa Margarita Ecological Reserve Comment
  UCR152646  Daucus pusillus A. C. Sanders 2005-4-22 29583 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR194237  Daucus pusillus Mitch Provance, Michael L. Fugate 2005-4-14 10051 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  UCR252704  Deinandra fasciculata R. E. Riefner Jr. 2009-6-19 09- 136 Riverside Moreno Valley, northeast c. 0.15 mi from intersectin of Nason Street and Ironwood Avenue, west of Moreno Beach Drive, north of Moreno Valley Fwy (60) 592 Comment
  SD234296  Deinandra paniculata Mitch Provance 2003-6-7 7606 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR41230  Delphinium parishii N. M. Fellows, A. C. Sanders 1985-4-9 155 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UC912669  Delphinium parishii subsp. parishii Curtis Ferris 1932-3-23 87 Riverside Palm Springs Comment
  SBBG34969  Delphinium parishii subsp. subglobosum T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  HSC85399  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 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
  RSA586484B  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 341 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
  UCR35347  Delphinium parryi subsp. parryi L. B. Ziegler 1967-4-25 123 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  RSA433241  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning Comment
  RSA433551  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1437 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA519205  Dendromecon rigida subsp. rigida M. Lee Overholtzer 1962-7-4 291 Riverside n end of Cleveland National Forest; roadside on Skyline Drive between Voits cabin and tv-radio station. 1311 Comment
  POM162730  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  UCR2316  Deschampsia elongata F. M. Reed 1928-7-15 6071 Riverside San Jacinto Mtns., Camp Emerson, Idyllwild 1524 Comment
  UCR2321  Deschampsia elongata F. M. Reed 1928-6-18 6138 Riverside Peninsular Range; Temescal [Santa Ana] Mountains, Main Street Canyon, south of Corona 579 Comment
  CLARK-A1656-708  Descurainia pinnata Theo Glenn 1979-2-11 Riverside San Jacinto Mountains 365 Comment
  UC856007  Descurainia pinnata K. Watkins and E. McClintock 1937-4-9 Riverside 1 mi w San Jacinto Comment
  SEINET3507548 Image available Descurainia sophia D. L. Heald 1966-5-16 54 Riverside Off the road behind Webber Hall at UCR in Riverside, Riverside County. Comment
  CAS-BOT-BC402298  Dicentra chrysantha Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA155810  Dicentra chrysantha Peter H. Raven 1962-4-29 17485 Riverside Ortega Highway 1 mi. above its east base. 488 Comment
  RSA303887  Dicentra chrysantha James R. Shevock 1970-4-25 152 Riverside near Lake Elsinore 762 Comment
  SEINET12090136  Dicentra chrysantha C. W. Tilforth, Wisura, W. 1979-1 1923 Riverside 10.4 mi from north jct with Highway 74, S of Lake Hemet Comment
  SEINET6879161  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Cajalco district, ca. 5 miles southeast of Lake Mathews, and 2.5 miles west of U.S. 395. Comment
  SEINET156510  Dichelostemma pulchellum Norman C. Cooper 1944-4-8 1093 Riverside Andreas Canyon. 457 Comment
  RSA500987  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3106 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  SBBG8045  Dicoria canescens H. and M. Dearing 1940-11-10 5014 Riverside near Whitewater Comment
  SD255089  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of Arica Mountains; west side of Rice Valley; abaout 3 air miles south of the ghost stown of Rice. 227 Comment
  RSA93923  Dicoria canescens F. W. Peirson 1920-12-29 2333 Riverside 1.5 miles east of Whitewater Station, head of Coachella Valley. Comment
  SEINET269467 Image available Digitaria sanguinalis Scott D. White, Steve Ogg 1994-10-17 2499 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek USGS 71/2' Murrieta quad. 315 Comment
  UCR1413  Digitaria sanguinalis Frank C. Vasek 1959-7-17 590717- 12 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  UCR48475  Dimorphotheca sinuata Steve Boyd 1986-4-10 1640 B Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. Comment
  RSA626156  Dinebra retroflexa R. E. Riefner 1999-3-15 99 -162 Riverside Hemet, Bautista Road and Fairview Street. Comment
  CAS-BOT-BC150929  Diplacus bigelovii var. bigelovii H. M. Hall 1905-5-1 6011 Riverside Cottonwood Springs 670 Comment
  RSA0016051  Diplacus brevipes P. A. Munz, I. M. Johnston 1922-5-20 5498 Riverside 2 mi. below Kenworthy, Thomas Valley. 1372 Comment
  CAS-BOT-BC150869  Diplacus puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan Hills 457 Comment
  UCD114701  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden. 351 Comment
  RSA0116273  Distichlis spicata Mitch Provance, Ken Halama 2003-6-15 17059 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA421625  Ditaxis californica Robert Gustafson 1980-4-3 1523 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UCR255951  Ditaxis claryana Deidre Conocchioli, Duncan S. Bell 2014-3-4 148 Riverside east side of Santa Rosa Mountains, west edge of Coachella Valley,1.3 mi down dirt BLM road from paved 58th Avenue, 4WD road south of Lake Cahuila and La Quinta 37 Comment
  LA204866  Ditaxis lanceolata Theodore Labouchere; April 1915 204 Riverside borders of the Colorado desert along the E base of San Jacinto Mountain, not far from Palm Springs Comment
  POM47249  Ditaxis lanceolata Mary F. Spencer 1920-3-18 1480 Riverside Near Palm Springs 152 Comment
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Nov 19 2011
  SEINET6631295 Image available Ditaxis lanceolata Leila M. Shultz, John S. Shultz 1985-4-18 8327 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15) 616 Comment
  UCSB3580  Ditaxis lanceolata Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junction of U.S. 60-70 and the south entrance road to Joshua Tree National Monument 487 Comment
  RSA608168  Ditaxis neomexicana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10054 A Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UC68667  Ditaxis neomexicana H. M. Hall Apr 1905 5960 Riverside canyons near Colorado R. Colorado Desert 106 Comment
  UC724130  Dithyrea californica Aven and Ruth Nelson 1939-3-28 3303 Riverside s of Mecca Comment
  UC1531140  Downingia cuspidata Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 52005 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  CAS-BOT-BC41635  Draba corrugata var. saxosa H. M. Hall 1901-7-1 2413 Riverside San Jacinto Mountains. Near the summit. 3291 Comment
  CAS-BOT-BC41636  Draba corrugata var. saxosa A. Davidson 1896-7-1 s.n. Riverside Summit of San Jacinto Mountain. Comment
  IRVC142  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  LA204779  Dudleya abramsii Joan Malloy; 1952-5-24 sn Riverside Hemet Valley, S side of road Comment
  RSA58862  Dudleya abramsii P. A. Munz, P. C. Everett 1950-6-23 14913 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  CSUSB1004  Dudleya lanceolata Ken Stolte 1978-5-23 Riverside 1 mile south of junction of highway 60 and Central Ave. 200 meters east off Central Ave. in [city of] Riverside. Comment
  UCR5884  Dudleya multicaulis Charles Prentiss 1966-5-10 s.n. Riverside Santa Ana Canyon, 300 yards south of Riverside - Newport Freeway, 1 mi. east of Orange County line. Comment
  CAS-BOT-BC109603  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  LA104954  Dudleya saxosa subsp. aloides Kei Nakai; 1980-12-25 682 Riverside San Jacinto Mountains, 0.5 mi. from Hwy 74 Comment
  RSA770928  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4738 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UCR116513  Dudleya saxosa subsp. aloides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20695 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
  UCR199574  Dysphania botrys Scott D. White, Angelia Carey 2004-7-2 10587 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SEINET8060772 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 7 Riverside 1/4mi down Hayfield Rd. south of I-10 500 Comment
  CLARK-A1528-5516  Eclipta alba John C. Roos 1965-7-5 Riverside Thermal 36 Comment
  UCR145572  Eclipta prostrata Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  RSA234016  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-19 37967 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  SD204871  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
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Mar 31 2015
  RSA623564  Eleocharis engelmannii R. E. Riefner 1998-10-15 98 -522 Riverside Menefee-Paloma Valley Comment
  RSA665176  Eleocharis engelmannii R. E. Riefner 2001-12-16 1 -775 Riverside Paloma Valley; near Antelope Rd. and Garbini Rd. 450 Comment
  UC838966  Eleocharis macrostachya I. W. Clokey and E. G. Anderson 1935-8-21 6565 Riverside Hemet Lake 1320 Comment
  UCR193956  Eleocharis macrostachya A. C. Sanders 2008-7-25 35888 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR130512  Eleocharis obtusa var. engelmannii R. E. Riefner Jr. 2001-12-16 01- 775 Riverside Perris-Aguanga Region, Paloma Valley; near Antelope Rd. and Garboni Rd. 450 Comment
  UCR156351  Elymus glaucus T. B. Salvato, Kent Beaman 2005-5-16 876 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
  UCR205295  Elymus glaucus Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1703 Riverside San Jacinto Mountains, Slope above junction of Dark Canyon and Fuller Mill Creek. 1585 Comment
  UCR240647  Elymus glaucus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 413 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA500528  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3614 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  POM14089  Emmenanthe penduliflora P. A. Munz, D. D. Keck 1922-4-13 4956 Riverside Eagle Mts, Colorado Desert. 213 Comment
  RSA357851  Emmenanthe penduliflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42696 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA500540  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-6-4 3612 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SD216463  Encelia actoni Jay B. Walker 1995-5-3 1407 Riverside South of Palm Desert along Highway 74, 3 kilometers East of Pinyon Flats Campground. 1200 Comment
  UC1929885  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside SAN BERNANDINO MOUNTAINS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. (Whitewater) Comment
  CAS-BOT-BC131348  Encelia farinosa E. A. McGregor 1917-3-17 770 Riverside West of Fig Tree [John's] Johns Comment
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SD157559  Encelia farinosa Michael L. Wells 1990-4-19 90 19 Riverside Perris, intersection of Nuevo Road and Rimrock Road; southeast facing slope Comment
  UC895510  Encelia farinosa C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  UC895534  Encelia farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs Comment
  SEINET7845929 Image available Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside 6.2 mi W of junction Hwy 78 and Hwy 60-70 near Blythe. Comment
  POM293694  Encelia farinosa var. farinosa Lyman Benson 1949-3-28 13575 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  POM356672  Encelia farinosa var. farinosa Norman C. Cooper 1949-6-1 3954 Riverside Elsinore. 610 Comment
  POM356684  Encelia farinosa var. farinosa Ora M. Clark 1929-3-17 1730 Riverside N. La Quinta, Colorado Desert. Comment
  POM356688  Encelia farinosa var. farinosa C. W. Tilforth 1967-2-11 101 Riverside Desert Hot Springs. 335 Comment
  POM356696  Encelia farinosa var. farinosa Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  SEINET3078303 Image available Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  CAS-BOT-BC81547  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  CAS-BOT-BC81548  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  CAS-BOT-BC81549  Ephedra californica Munz; Street; Williams 1919-3-25 2310 Riverside [Whitewater] White Water 304 Comment
  LA6775  Ephedra californica LeRoy Abrams; 1903-4-6 3204 Riverside Palm Springs Comment
  RSA329548  Ephedra californica G. D. Wallace 1966-3-26 259 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  SD229018  Ephedra californica Dick Schwenkmeyer 2012-11-6 858 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  JOTR34228  Ephedra nevadensis La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2012-5-12 3081 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  SDSU12967  Epilobium Michael G. Simpson 1999-10-27 2045 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR13722  Epilobium canum N. R. Zabriskie, W. W. Zabriskie 1972-10-22 547 Riverside Santa Rosa Mtns., Cactus Spring Trail, between Dolomite mine and Horsethief Canyon 1098 Comment
  RSA191412  Epilobium canum subsp. canum E. W. Lathrop, Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  CAS-BOT-BC171749  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-21 11587 Riverside Live Oak Tank, Joshua Tree National Monument 1219 Comment
  UCR129332  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Mtns., Cottonwood Springs, Joshua Tree National Monument 915 Comment
  RSA522101  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross 1989-8-28 3794 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA588342  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1944-5-6 1176 Riverside Whitewater Canyon. 457 Comment
  SBBG60174  Epilobium ciliatum subsp. ciliatum R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  UCR95962  Epilobium densiflorum Scott D. White 1996-8-1 4423 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA698280  Epilobium oregonense J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2896 Comment
  RSA170449  Epipactis gigantea John Olmsted 1960-5-15 1469 Riverside Near intersection of main and west forks of Snow Creek, San Gorgonio River Drainage Area, San Jacinto Mountains. 762 Comment
  SD28076  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside North base of San Jacinto Mountains, mouth of east fork of Snow Creek Canyon. Rocks at water's edge. 671 Comment
  UC1514825  Epipactis gigantea George Henry Grinnell 1924-5-24 Riverside Riverside Comment
  UC4492  Epipactis gigantea H. M. Hall July, 1901 2370 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1645 Comment
  UCR19157  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside San Bernardino Mtns., Whitewater Canyon 856 Comment
  UCR128305  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR139383  Eremalche exilis I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR166193  Eremalche exilis Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  CSUSB811  Eremalche rotundifolia Jean Texera 1970-3-27 7 Riverside About 3 miles south of Palm Desert on dirt road continuation of Portola Ave., 25 feet north of Deep Canyon Desert Research Center fence, 175 feet west of road on edge of wash. 204 Comment
  JOTR31898  Eremalche rotundifolia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2147 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  JOTR34317  Eremothera boothii subsp. condensata Andre, Jim 2012-4-11 20815 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  JEPS31677  Eremothera boothii subsp. desertorum Samuel B. Parish Mar 1882 Riverside Whitewater Colorado Desert Comment
  JOTR34036  Eremothera refracta La Doux, Tasha, M. Harding 2010-4-7 2920 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UC667370  Eremothera refracta Annie M. Alexander and Louise Kellogg 1941-5-15 2184 Riverside n base of Eagle Mts. Colorado Desert 914 Comment
  SEINET3208899  Eriastrum densifolium G. Goodwin 2012-6-14 3455 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  UC880216  Eriastrum densifolium subsp. austromontanum I. W. Clokey and E. G. Anderson 1935-8-21 6829 Riverside e Keen Camp P.O. 1350 Comment
  UCR59520  Eriastrum densifolium subsp. densifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA0110546  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, Adjacent to Dripping Springs Public Campground road, ca. 500 m south of terminal loop of campground road, along east side bank of creek. 488 Comment
  SEINET3005066  Eriastrum diffusum G. Rink 2011-5-1 10504 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  RSA0119709  Eriastrum diffusum subsp. coachellae H. L. Mason 1952-4-7 14214 Riverside Palm Canyon, Palm Springs. Comment
  POM8324  Eriastrum eremicum Mary F. Spencer 1918-5-7 s.n. Riverside San Jacinto Mountains 1524 Comment
  JOTR34364  Eriastrum eremicum subsp. eremicum Andre, Jim 2012-4-16 20880 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA0120070  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1903-5-10 10252 Riverside Palm Spring. 61 Comment
  UCR251988  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2014-7-2 41165 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA0122965  Eriastrum sapphirinum subsp. sapphirinum Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2271 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA314172  Ericameria cuneata Walter Wisura 1983-11-12 3950 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  JOTR16587  Ericameria cuneata var. spathulata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE NORTH OF SPLIT ROCK Comment
  POM350409  Ericameria cuneata var. spathulata Jack Rempel, Erwin H. Miller 1934-4-28 18726 Riverside Lost Horse 1296 Comment
  RSA0008410  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, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  RSA736981  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10666 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  CDA29898  Ericameria palmeri var. palmeri Mike Lahti 2009-10-2 PDR# 1501842 Riverside Santa Rosa Hills, west of the city of Murrieta. 0 Comment
  LA37417  Ericameria parishii var. parishii Dave Dunn; Carl Epling 1941-10-4 1368 Riverside SANTA ANA MOUNTAINS, Indian Canyon, just below the Coulter pines and up into them. Comment
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Oct 15 2013
  SD144048  Ericameria parishii var. parishii Scott D. White 1996-12-26 4645 Riverside San Jacinto Mts., Bautista Canyon: along Bautista Cyn. Rd., ca. 2 0r 3 air mi NW of jtn. with Trip Flats Rd. 1029 Comment
  CAS-BOT-BC293094  Ericameria pinifolia Lewis S. Rose 1946-12-24 46309 Riverside 2 mi. s. of Banning 762 Comment
  CDA27739  Ericameria pinifolia Mike Lahti 2008-11-4 PDR# 1509245 Riverside Hemet, 0.5 miles east of Sage Rd. along Red Mountain Rd. 0 Comment
  UC55177  Ericameria pinifolia Geo. R. Hall 1902-10-25 Riverside near Riverside Comment
  UCR100371  Ericameria pinifolia A. C. Sanders, T. Tennant 1997-11-14 21604 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon 854 Comment
  JOTR36385  Erigeron canadensis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3339 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  SD187344  Erigeron canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. 579 Comment
  UCR274002  Erigeron canadensis Mitch Provance 2012-9-11 17628 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR158318  Erigeron foliosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30049 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
  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
  UC1483923  Erigeron foliosus var. foliosus C. W. Tilforth and John Dourley 1980-7-15 2067 Riverside 0.1 mi in from Hiway 74 (on north leg of Thomas Mt. Rd., South of Lake Hemet & west of Hiway 74) Comment
  UCR21955  Erigeron foliosus var. foliosus Steve Boyd 1980-6-4 317 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  HSC78581  Eriochloa aristata J. C. Roos 1965-9-26 Riverside Indio Comment
  UCD65680  Eriochloa aristata J. C. Roos 1965-9-26 Riverside In 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
  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
  UCR98856  Eriodictyon crassifolium A. C. Sanders, G. Helmkamp 1997-3-15 19987 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  CAS-BOT-BC189130  Eriodictyon crassifolium var. crassifolium Ynez W. Winblad 1938-5-15 s.n. Riverside Between El Capistrano and Lake Elsinore Comment
  GMDRC6547  Eriodictyon crassifolium var. crassifolium J. M. Andre 2012-6-15 30499 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
  SD255836  Eriogonum Mitch Provance 2012-5-24 51201 Riverside San Gorgonio Pass: Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd, both N and S of W Wilson St (Beaumont 7.5'Q) 783 Comment
  CAS-BOT-BC248623  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2133 Comment
  UC1395196  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside 4.4 mi nnw, along California Highway 243 Idyllwild (8.9 mi n of the junction with Highway 74, and 1 mi s of Alandale Ranger Station); San Jacinto Mountains Comment
  UC849369  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside 5 mi w, Hayfield Desert Center; Hayfield 609 Comment
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Dec 15 2011
  UCR41374  Eriogonum elongatum N. M. Fellows 1985-1-5 54 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCR235219  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, John F. Green 2012-6-1 40240 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  POM319086  Eriogonum fasciculatum var. foliolosum Patricia Wilder 1971-5-13 4950 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. 198 Comment
  RSA244346  Eriogonum fasciculatum var. foliolosum C. W. Tilforth, John Dourley 1973-8-17 957 Riverside Campus Ave. between Foothill Blvd. and Baseline Rd., Upland. Comment
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Jun 22 2013
  JOTR31138  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  RSA33572  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-5-6 1200 Riverside Whitewater Canyon. 457 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
  UCSB1477  Eriogonum fasciculatum var. polifolium Haller, John 1950-5-21 Riverside San Jacinto Mts; Palms-to-Pines Hwy; 9 mi from desert floor Comment
  UCR251984  Eriogonum gracile A. C. Sanders, T. B. Salvato 2014-7-2 41167 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA0097125  Eriogonum gracile var. incultum Marc A. Baker 2015-7-9 18403 Riverside San Gorgonio Pass, 32 km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4 km ENE of Banning. 638 Comment
  JOTR35085  Eriogonum inflatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3536 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  JOTR35297  Eriogonum maculatum Andre, Jim 2012-4-11 20794 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  JOTR37479  Eriogonum maculatum Hodges, Stephen, T. Green 2016-5-5 600 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  CAS-BOT-BC270593  Eriogonum molestum Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mountains Comment
  RSA775222  Eriogonum nudum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4440 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
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Aug 15 2012
  CAS-BOT-BC269777  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  CAS-BOT-BC269787  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-9 2869 Riverside San Jacinto Mountains, along California Highway 243, about 0.1 mile northwest of the Vista Grande Ranger Station at the turnoff to Indian Creek Comment
  RSA688859  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 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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Dec 4 2012
  SBBG65213  Eriogonum pusillum L. Rowntree 1929-5-10 Riverside Morongo Pass Comment
  SJSU1822  Eriogonum pusillum J. W. Tilden 1957-4-18 1097 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCR188790  Eriogonum pusillum Jim Andre 2006-4-26 7797 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom c.1 mi north of Rattlesnake Spring 1321 Comment
  JEPS56267  Eriogonum thomasii W. L. Jepson 1928-4-23 12546 Riverside Shaver's Well Colorado Desert, Shaver's Well 152 Comment
  POM305593A  Eriogonum thomasii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 889 Riverside Whitewater. Comment
  RSA517811  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1416 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA708486  Eriogonum thomasii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10901 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  RSA735241  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11213 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG92801  Eriogonum thomasii D. Charlton 1988-2-18 1143 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UC849809  Eriogonum thomasii I. W. Clokey 1935-4-17 6581 Riverside Cottonwood Springs Comment
  UC1922711  Eriogonum thomasii Michael Honer with L. Hulse 2004-4-4 1934 Riverside Colorado Desert; Little San Bernardino Mountains region: SW base of Cottonwood Mtns., near MWD aqueduct, appx. 0.75 mi. N of I-10. E edge of Pinkham Wash. Comment
  POM2309  Eriogonum thurberi I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. 152 Comment
  SD90098  Eriogonum wrightii var. membranaceum Nancy Ryan Zabriskie, W. Zabriskie 1972-9-7 534 Riverside Strawberry firebreak, S of S end Marion Ridge Rd., Pine Cove, W drainage San Jacinto Mts. 1920 Comment
  SFV18745  Eriogonum wrightii var. membranaceum J. N. Hogue 2003-9-13 205 .1 Riverside San Jacinto Mountains Hall Canyon, 500 m northeast of Lake Fulmor. James Reserve, University of California. 1645 Comment
  UCR195146  Eriogonum wrightii var. membranaceum A. C. Sanders, Tim Thomas 2008-8-1 35928 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  LA207105  Eriogonum wrightii var. nodosum Harlan Lewis; 1939-10-22 1044 Riverside Santa Rosa Mountains, Palms to Pines Highway 304 Comment
  UCR51982  Erioneuron pulchellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2185 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA653355  Eriophyllum confertiflorum Robert MacGregor 1984-5-19 11 Riverside Ca Hwy 79, 1.4 miles S of junction with CA Hwy 371, S side of road. Comment
  UCR101334  Eriophyllum confertiflorum A. C. Sanders 1997-4-10 20331 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR154391  Eriophyllum confertiflorum A. C. Sanders, Mike Misenhelter 2005-6-15 30969 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
  UCR213521  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38363 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR120308  Eriophyllum multicaule Mitch Provance 1997-5-18 1092 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.4 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line 351 Comment
  CAS-BOT-BC296973  Eriophyllum wallacei W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  HSC5630  Eriophyllum wallacei C. L. Hitchcock, C. V. Muhlick 1964-3-22 23263 Riverside Pinto Basin; Joshua Tree National Monument Comment
  RSA483567  Eriophyllum wallacei D. Charlton 1988-5-21 1942 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UCR100039  Eriophyllum wallacei Scott D. White 1994-4-23 2048 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR238304  Eriophyllum wallacei Mark A. Elvin 2004-3-19 3188 Riverside Peninsular Range; San Jacinto Mtns., San Jacinto River canyon east of Hemet, along Hwy 74 at west base of mountains 630 Comment
  SD143858  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont: Near railroad on east side of Highway 79, south of I-10. 793 Comment
  UCR169319  Erodium botrys T. B. Salvato, John F. Green 2004-5-27 615 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR216951  Erodium macrophyllum Kim Sparks, Ana Hernandez 2010-4-8 07 Riverside Perris-Aguanga Basin, Gavilan Hills, 330m east of Cajalco Rd. and 55m south of dirt access road. 435 Comment
  CAS-BOT-BC54331  Erysimum capitatum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild. Comment
  UCR132923  Erysimum capitatum John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  POM17831  Erysimum capitatum var. capitatum P. A. Munz, D. D. Keck 1923-6-14 7067 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  JOTR01035  Erysimum capitatum var. capitatum Cole, James E. 1941-11-7 856 Riverside Joshua Tree National Park. STUBBY SPRING AREA 1402 Comment
  SD134372  Erythranthe breweri Craig Reiser 1992-5-9 Riverside San Jacinto Mountains, Thomas Mountain Comment
  JOTR34368  Eschscholzia Andre, Jim 2012-4-16 20884 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UCD96504  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 511 Riverside California. Riverside County: Joshua Tree National Park. 623 Comment
  UCR89834  Eschscholzia caespitosa Scott D. White 1993-5-27 1431 A Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA785019  Eschscholzia californica Duncan S. Bell 2012-3-18 3190 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
  UC855146  Eschscholzia californica I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  POM9229  Eschscholzia californica var. peninsularis I. M. Johnston 1920-5-8 2271 Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  CHSC35481  Eschscholzia minutiflora James Henrickson 1973-3-18 8608 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 the canyon. 792 Comment
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Dec 5 2012
  NY43343  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  RSA80987  Eschscholzia minutiflora G. R. Campbell 1952-4-5 18373 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCSB3646  Eschscholzia minutiflora Krogen, Roger 1957-1 Riverside 4 mi. S of junction of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  JOTR38680  Eschscholzia papastillii Hodges, Stephen R. 2017-2-7 696 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
  SD258957  Eschscholzia papastillii Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7647 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. 281 Comment
  UCR268949  Eschscholzia papastillii Jim Andre 2015-3-2 31354 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  CAS-BOT-BC419632  Eschscholzia parishii J. C. Roos 1966-3-26 s.n. Riverside 2 miles S.E. of Desert Center Comment
  SEINET8043950 Image available Eucalyptus A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41554 Riverside Peninsular Range: Eeastern Foot of the Santa Ana Mtns: Temescal Valley jsut below I-15 bridge near Hostettler Road, Se of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill. 363 Comment
  RSA314636  Eucrypta chrysanthemifolia var. bipinnatifida Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55456 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD137734  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail. 609 Comment
  UCSB15721  Euonymus occidentalis subsp. parishii Breedlove, Dennis 1961-8-5 Riverside Along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
  HSC24947  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mtns. 1921 Comment
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR245262  Euphorbia eriantha Jim Andre 2012-3-19 21297 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
  SD119921  Euphorbia polycarpa Louis B. Ziegler 1976-9-20 555 Riverside Colorado Desert, north end around Desert Hot Springs, sandy washes & hillsides 380 Comment
  RSA278962  Euphorbia polycarpa var. hirtella B. A. Prigge, L. Martinez 1978-3-23 2407 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  UCR176698  Euphorbia prostrata R. D. Goeden, Don W. Ricker 1965-6-18 s.n. Riverside Riverside, north side of Blaine St. just west of Gage Canal 313 Comment
  UCR252231  Euphorbia serpillifolia Marissa Manahan 2011-5-13 s.n. Riverside Riverside, Andulka Park, Tequesquite Arroyo at Chicago Ave. 277 Comment
  RSA736123  Euphorbia supina Scott D. White 2008-4-28 11917 Riverside San Gorgonio Pass: Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  POM293999  Fagonia laevis Lyman D. Benson 1949-3-28 13562 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  UC495310  Fagonia laevis Philip A. Munz 1932-3-14 11982 Riverside Deep Canyon; Coachella Valley 152 Comment
  UCR112103  Fagonia laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23354 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  UC2015643  Fagonia pachyacantha A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16083 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  RSA303553  Ferocactus cylindraceus J. R. Shevock 1972-3-5 1370 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  UC403452  Ferocactus cylindraceus var. lecontei Munz and Johnston 5295 Riverside rocky mesa near Mission Creek (on road to Morongo Pass) Comment
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Sep 8 2011
  UCR60250  Festuca microstachys Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3012 Riverside Peninsular Range, Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 mi WSW of dam 610 Comment
  SEINET1004490  Festuca myuros T. B. Salvato, Kent Beaman 2005-1 831 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
  UCR137694  Festuca myuros var. myuros D. L. Banks, V. W. Steinmann 1997-3-13 1481 A 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
  CLARK-A1045-227  Filago arizonica George K. Helmkamp 1978-4-1 Riverside Cabazon north of Interstate highway 10; disturbed soil; Cabazon 7.5'Q Comment
  UCR113901  Filago californica Mitch Provance 1998-4-13 433 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR115351B  Filago californica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16281 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR97501  Filago californica A. C. Sanders, G. Waines, B. Ehdaieet, A. Aryavand 1997-3-12 19890 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR262457  Filago depressa Stan C. Spencer 2001-4-27 s.n. Riverside Peninsular Range, edge of Wilson Creek, east of Sage Rd. near Radec 511 Comment
  RSA593702  Filago gallica Steve Boyd, David E. Bramlet 1996-4-19 8624 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  NY43292  Fouquieria splendens C. R. Annable 1995-3-11 2269 Riverside Rest stop on I-10 Comment
  UCR26250  Fouquieria splendens John C. Roos 1937-4-28 1288 Riverside Sonoran (Colorado) Desert, 35 mi. west of Desert Center [near Cactus City] Comment
  UC872124  Fouquieria splendens subsp. splendens I. W. Clokey 1935-4-17 6752 Riverside Shafer Wells Comment
  SD232321  Frangula californica subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. 1438 Comment
  UCR178326  Fraxinus pennsylvanica subsp. velutina Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 660 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Potrero Canyon 793 Comment
  UCR5585  Fraxinus pennsylvanica subsp. velutina O. F. Clarke 1966-10-5 661005- 40 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  POM48351  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8869 Riverside San Gorgonio Canyon, north of Banning. 1128 Comment
  RSA524592  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of Big Oak Mountain, N of lake. 793 Comment
  UCR67368  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3907 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  UCR263477  Funastrum cynanchoides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41502 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  SEINET3081970 Image available Funastrum cynanchoides var. hartwegii B. Pitzer 1986-4-26 185 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCD121395  Funastrum cynanchoides var. hartwegii Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 272 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon. 304 Comment
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Jun 20 2013
  SD227724  Funastrum heterophyllum A. C. Sanders, K. C. Rose 1999-5-28 22790 Riverside Coachella Valley: betweeen La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside at intersection with Ave. 49 11 Comment
  JOTR28930  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA704546  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA778257  Funastrum hirtellum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 923 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  JEPS52915  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 Riverside Chimney Flat (old control) road below Alvin Meadows Comment
  POM10491  Galium andrewsii Charlotte M. Wilder s.n. Riverside Near Pine Flat. 1524 Comment
  UCD121580  Galium angustifolium A. C. Sanders 2004-4-20 27526 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  POM12926  Galium angustifolium subsp. angustifolium Philip A. Munz 1922-6-27 5858 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  RSA180485  Galium angustifolium subsp. angustifolium E. W. Lathrop 1960-6-9 4983 Riverside 14 miles west of Murrieta. Comment
  RSA516421  Galium angustifolium subsp. angustifolium Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4428 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA769768  Galium aparine Duncan S. Bell, Joy D. England 2010-5-17 1001 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
  RSA192110  Galium porrigens E. W. Lathrop 1959-4-2 4437 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  RSA706296  Galium porrigens var. porrigens Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1287 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA776349  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 619 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SD90096  Garrya flavescens subsp. pallida Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 545 Riverside N. slope of Santa Rosa Mts, Deep Canyon, By Cactus Spring trail crossing of Horsethief Creek tributary Comment
  CAS-BOT-BC192125  Garrya fremontii H. M. Hall 1901-7-1 2452 Riverside Tahquitz [Tanquitz] Valley, San Jacinto Mt. 2133 Comment
  POM17812  Gayophytum diffusum subsp. parviflorum P. A. Munz, D. D. Keck 1923-6-14 7092 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  RSA613461  Gazania linearifolia D. L. Banks, Victor Steinmann 1997-3-13 1431 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
  UCR248028  Gelsemium sempervirens O. F. Clarke 2010-7-30 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA696892  Geraea canescens W. Marquart 1938-3-12 s.n. Riverside 10 mi. E. of Desert Center. Comment
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Apr 14 2013
  SD258882  Geraea canescens Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7639 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Vally, just west of Orocopia Mountains, east of Box Canyon, eastnortheast of Mecca. 301 Comment
  UCR103545  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-1-17 2528 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  RSA705182  Gilia angelensis J. Mark Porter, Sarah J. De Groot 2005-3-9 14257 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  UC1545280  Gilia angelensis Charles B. Fiker 1946-3-6 3334 Riverside in hills between Aguanga and Cahuilla; bet Aguanga and Coahuila [Cahuilla] Comment
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Mar 2 2016
  UCR155833  Gilia angelensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR172804  Gilia angelensis Abby Sirulnik 2000-4-13 09 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR98082  Gilia australis A. C. Sanders, G. Helmkamp 1997-3-15 19950 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  UCR35050  Gilia capitata L. B. Ziegler 1972-6-5 475 Riverside San Jacinto Mtns., canyon at lower end of Poppet Flats. 1067 Comment
  RSA192344  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1966-5-9 6274 Riverside 3 miles SW of Murrieta between Mesa de la Punta and Sandia Canyon. Comment
  RSA516958  Gilia diegensis Ed LaRue 1990-3-29 s.n. Riverside 1/2 miles W of town of Aguanga, 1-2mile airline N of San Diego County line. 610 Comment
  UC52478  Gilia diegensis Miss Jessie Nutting 1897-4-7 440 Riverside Winchester Comment
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Mar 20 2011
  UC52858  Gilia diegensis H. M. Hall 1902-4-18 2890 Riverside Coahuilla Mesa Comment
  UC908484  Gilia diegensis Herbert L. Mason 1928-3-11 4252 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UC908945  Gilia diegensis Carl Meyer June, 1927 201 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow (Forest Floor, San Jacinto Mts.) 1676 Comment
  RSA0054867  Gilia gilioides subsp. glutinosa Keith E. Hoffmaster 1937-6-6 780 Riverside San Jacinto Mts, along Palms to Pines road. Comment
  UCR148443  Gilia latifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR103596  Gilia maculata George K. Helmkamp 1997-2-26 1309 Riverside Sonoran (Colorado) Desert, Coachella Valley, about 200 yards SE of the jct of Calif. Hwy 62 & Indian Ave. in the NW end of the Valley 488 Comment
  RSA0017052  Gilia ochroleuca subsp. exilis A. C. Sanders, S. Hawkins 1996-4-24 18071 Riverside Morongo Indian Reservation, in Hathaway Canyon near Burro Flats. 915 Comment
  UC73634  Gilia ochroleuca subsp. exilis Miss M. A. King 1893-1 Riverside Menifee Comment
  UC908024  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside near Auto Camp (Temescal Canyon); Temescal Canyon 304 Comment
  UCR121212  Gilia ochroleuca subsp. exilis D. E. Bramlet 1990-4-27 1996 Riverside Peninsular Range; Perris-Aguanga basin region, ridgeline south of Diamond Valley, NW of Crown Valley, 600 ft. west of access road 665 Comment
  JOTR35500  Gilia sinuata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3188 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  RSA480027  Gilia stellata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2158 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA767450  Gilia stellata J. Andre, T. La Doux 2009-3-10 11253 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  SBBG5903  Gilia stellata H. and M. Dearing 1942-3-10 4823 Riverside Dos Palmas Cyn Comment
  SBBG55269  Gilia stellata T. Criswell 1977-2-27 15 Riverside S side of St Hwy 195, ca. 500' W of its jct with Interstate 10, Upper Box Cyn 365 Comment
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Aug 23 2016
  RSA585521  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0386 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UC64366  Glycyrrhiza lepidota H. M. Hall 1892-5-27 569 Riverside Rincon Comment
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Jul 22 2010
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 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
  POM212729  Gnaphalium palustre P. A. Munz 1941-5-18 16649 Riverside About 15 miles northeast of Temecula. Comment
  RSA752137  Gnaphalium stramineum Justin M. Wood, Brandy Wood 2009-7-4 1041 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR20851  Gnaphalium stramineum A. C. Sanders 1979-8-26 00123 Riverside San Jacinto Mtns, James Reserve above Lake Fulmor. Edge of campground near Indian Creek 1646 Comment
  UCR133678  Gutierrezia californica John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0097131  Gutierrezia sarothrae Marc A. Baker, Chris Taylor 2015-6-26 18366 Riverside The Badlands, 1.5 km SSE of the intersection of San Timoteo Road and Redlands Blvd., 27 km ENE of Riverside, 0.5 km south of San Timoteo Wash. 567 Comment
  SD152936  Gutierrezia sarothrae Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7688 Riverside Southern Santa Ana Mountains, upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  UCR134608  Haplopappus acradenius Marisa Sripracha, Kyle Boyd 2004-2-14 031 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR91476  Harpagonella palmeri Scott D. White, M. Jacobsmeyer 1996-4-20 3947 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA0066611  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4060 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  UCR250218  Hedypnois cretica A. C. Sanders 2014-4-8 40982 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.5 km NW of El Hermano Rd., c. 0.8 km SE of I-15 crossing 315 Comment
  RSA17257  Helianthemum scoparium var. aldersonii C. B. Wolf 1936-6-17 7956 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  HSC93116  Helianthus gracilentus Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  POM360037  Helianthus gracilentus Christopher Davidson 1975-6-16 2802 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  RSA701121  Helianthus gracilentus Michael Wall 1996-7-1 166 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  UC666387  Heliotropium convolvulaceum var. californicum Annie M. Alexander and Louise Kellogg 1941-5-28 2259 Riverside 6 mi. e. Blythe; Colorado Desert 121 Comment
  UCR41639  Heliotropium curassavicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6092 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCSB39110  Heliotropium curassavicum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along Highway 111, Salton Sea -70 Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  RSA680563  Hemizonia fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA736313  Hemizonia fasciculata Scott D. White, Justin M. Wood 2008-3-25 11781 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR93834  Hemizonia fasciculata G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  UCR180044  Hemizonia kelloggii Mitch Provance 2005-5-18 9811 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR199747  Hemizonia mohavensis Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10670 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  POM4992  Hemizonia paniculata L. R. Abrams 1901-5-20 15513 Riverside Elsinore. Comment
  RSA514387  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 B Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 Comment
  UCR189577  Hemizonia pungens subsp. laevis Lee A. Ripma 2007-6-27 002 Riverside San Timoteo Canyon, San Timoteo Canyon Road c. 5 mi west of the junction of Hwy 10 and Hwy 60 and c. 9 mi southeast of Redlands, near county park boundary 644 Comment
  RSA377053  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  UCR132420  Heteromeles arbutifolia A. C. Sanders 2004-2-6 27383 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR241230  Heteromeles arbutifolia Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 689 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  POM47433  Heterotheca fastigiata Mary F. Spencer 1919-7-8 1268 Riverside Edge of woods, Idyllwild, San Jacinto Mts 1616 Comment
  RSA78302  Heterotheca fastigiata P. A. Munz, E. K. Balls 1952-8-21 17990 Riverside Head of Hemet Valley 1494 Comment
  RSA0075896  Heterotheca grandiflora R. Weatherby 1949-5-13 411 Riverside La Sierra Hills, Arlington. 152 Comment
  CAS-BOT-BC310832  Heterotheca sessiliflora subsp. fastigiata D. E. Breedlove 1961-8-5 950 Riverside Hemet Valley, San Jacinto Mountains. Along State Highway 74, 5 miles east of Keen Camp 134 Comment
  RSA432776  Hibiscus denudatus N. C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  SEINET4585063  Hilaria rigida J. Davy 1902-4-2 15 Riverside Salton Comment
  SEINET2061522 Image available Hoffmannseggia glauca Norman C. Cooper 1949-4-8 3322 Riverside Blythe, low place in desert 259 Comment
  UC406703  Hoffmannseggia glauca Marcus E. Jones, A. M. 1929-9-16 Riverside e of Desert Center Comment
  SD27950  Hoffmannseggia microphylla Carl B. Wolf 1932-4-26 2978 Riverside Colorado Desert, 5 miles east of Mecca, on Blythe Road, open sandy flat 29 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
  CAS-BOT-BC174030  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA666779  Hordeum depressum A. C. Sanders, D. Malueg 2001-5-17 24358 Riverside Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Raod at and near Warm Springs Creek, S of Scott Rd., 33 deg 37.5' N, 117 deg 07.8' W 415 Comment
  SEINET271520 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  RSA747514  Hordeum murinum Justin M. Wood 2009-3-10 348 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  UCR124332  Hordeum murinum Steve Boyd 1980-5-5 210 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA651785  Hordeum murinum subsp. glaucum Markell Kohn 1959-4-29 s.n. Riverside UCR campus, Riverside. Behind greenhouse 16, 10 yards south of Eucalyptus tree by driveway Comment
  RSA593918  Hordeum murinum subsp. leporinum Steve Boyd, Dave Bramlet 1996-4-19 8593 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SEINET259013 Image available Hordeum vulgare subsp. spontaneum B. L. Johnson Riverside CULTIVATED ; CULTIVATED at Riverside; seed collected at Curia Cypress [?Cyprus]. Comment
  POM47566  Horkelia clevelandii Philip A. Munz, I. M. Johnson 1924-7-27 8760 Riverside Dark Canyon, San Jacinto Mountains. 2409 Comment
  SBBG72537  Horkelia clevelandii Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Comment
  UC1051653  Horkelia clevelandii Peter Kamb 1950-7-9 1906 Riverside San Jacinto Mountains, Hall Canyon 1645 Comment
  SBBG122007  Hulsea heterochroma A. Parikh, N. Gale 2004-6-7 764 Riverside W side of Smith Crk, 2.3 km NE of Highland Springs, 1.1 km W of Banning Bench/Bluff Street 1110 Comment
  RSA89923  Hulsea vestita subsp. callicarpha E. K. Balls, Everett 1953-7-1 18347 Riverside 5 miles NW of Idyllwild on road to Banning. 1524 Comment
  CAS-BOT-BC312862  Hymenoxys odorata Roxana S. Ferris 1918-6-19 1010 Riverside At Blythe, Colorado River bottoms Comment
  UC68917  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Paloverde Valley Colorado Desert 76 Comment
  RSA458248  Hypericum formosum var. scouleri M. B. Dunkle 1933-7-20 3711 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA20010  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  SEINET3197211 Image available Hyptis emoryi Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (mcCoy 7.5' Q) 204 Comment
  SEINET7907884  Hyptis emoryi D. A. Johnson 2005-1 2005- 02 -20-16 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UC883110  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  UCD124930  Hyptis emoryi Collector unknown 1923-3-26 298 Riverside Tahquitz Wash, Palm Springs. Comment
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Feb 17 2013
  UCLA61526  Hyptis emoryi N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCR214296  Hyptis emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR3004  Hyptis emoryi Wm. Horn Jr. 1963-3-23 630323- 4 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  VVC746  Hyptis emoryi var. emoryi P. J. MacKay, T. Thomas 1997-2-8 98 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  CAS-BOT-BC311618  Isocoma acradenia var. eremophila L. R. Abrams 1941-10-30 14308 Riverside Indian Ave., about 1 mile north of Palm Springs Comment
  RSA717624  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment 2006-3-29 11277 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  HSC100129  Isocoma menziesii Mike Lahti 2009-10-22 1501843 Riverside Banks of Temecula Creek, near downtown Temecula Comment
  UCR222301  Isoetes howellii R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55204 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  CAS-BOT-BC69865  Isoetes orcuttii Robert F. Thorne; E. Lathrop; P. Munz 1968-5-8 37567 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 670 Comment
  CAS-BOT-BC69866  Isoetes orcuttii Robert F. Thorne; E. Lathrop 1969-5-12 37943 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 624 Comment
  UCR179767  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 05- 647 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
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May 11 2009
  RSA577517  Jepsonia parryi D. L. Banks, Steve Boyd 1995-2-16 0046 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., on the Dripping Springs Alcove, E of the Woodchuck Trail. 719 Comment
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Nov 14 2016
  CAS-BOT-BC167115  Juglans californica A. C. Sanders 2004-6-30 28395 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 518 Comment
  UCR277766  Juglans californica Mitch Provance 2012-7-15 612- 65 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  UCR84606  Juglans californica Scott D. White, S. Ogg 1994-4-21 1947 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC240300  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37142 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 335 Comment
  SDSU13313  Juncus arcticus var. mexicanus Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 14 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR132718  Juncus balticus A. C. Sanders, O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR180048  Juncus balticus Mitch Provance 2005-5-18 9806 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  CDA32302  Juncus bufonius D. Domenigoni 2000-3-28 PDR 1243980 Riverside Southern California; West Coast Turf, Winchester Rd. Winchester, CA. 0 Comment
  SD186021  Juncus bufonius A. C. Sanders, Mike Misenhelter 2005-6-15 30954 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn. 640 Comment
  UCR158140  Juncus bufonius A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30091 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
  UCR162937  Juncus bufonius Fred M. Roberts, D. E. Bramlet 2005-4-1 6150 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA3441  Juncus cooperi W. R. Dudley 1894-8-20 s.n. Riverside Near palm grove 6 miles east of Indio Comment
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Nov 19 2011
  UC1601826  Juncus effusus subsp. austrocalifornicus H. M. Hall 1897-8-11 831 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1645 Comment
  UCR89810  Juncus macrophyllus Scott D. White 1993-5-27 1413 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA675699  Juncus mexicanus Scott D. White 2001-5-1 8435 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  SD121501  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2971 Riverside Moist sand of large wash behind Kenworthy Ranger Station, near Route 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 760 Comment
  SEINET10879492  Juncus xiphioides J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12833 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  JOTR34043  Juniperus californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2944 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA336053  Juniperus californica Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52078 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  UCSB39091  Juniperus californica Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from highway 74 north of palm Desert in San Jacinto Mountains 1100 Comment
  RSA0092849  Justicia californica Jim M. Andre 2012-4-11 20816 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA313564  Justicia californica D. C. Michener 1979-3-11 3451 b Riverside Santa Rosa Mountains: Deep Canyon, along Coyote Wash. Comment
  RSA402299  Justicia californica L. E. Hoffman 1932-11-26 s.n. Riverside Near Palm Springs--Colorado Desert. Comment
  RSA80967  Justicia californica G. R. Campbell 1952-4-6 18416 Riverside 3 mi. S. of jct. with road to Cottonwood Springs, Joshua Tree National Monument Road from 29 Palms to Hwy 60-70. 915 Comment
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Nov 19 2011
  UC888147  Justicia californica Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside near Palm Springs Palm Springs Comment
  JOTR35019  Kallstroemia californica La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3117 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SEINET3071822  Kallstroemia californica Marc A. Baker, Michelle Cloud-Hughes 2011-12-18 17503 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  RSA293252  Keckiella antirrhinoides D. C. Michener 1980-5-8 3660 Riverside San Bernardino NF Bee Canyon: canyon bottom and slopes with Quercus, Heteromeles, Adenostoma, Salvia, etc. 600 Comment
  NY786510  Keckiella antirrhinoides var. antirrhinoides L. A. McGill 1979-5-25 2551 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch. Comment
  UCR111997  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, T. B. Salvato 2000-5-25 23430 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR114301  Keckiella antirrhinoides var. antirrhinoides Julie A. Greene 1993-4-10 1171 Riverside San Jacinto Wildlife Area 476 Comment
  CAS-BOT-BC235774  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  SFV16973  Keckiella rothrockii var. jacintensis P. Wilson, M. S. Valenzuela 1997-7-25 3512 Riverside San Jacinto Mountains Near Round Valley Camp. 3000 Comment
  UCR176999  Keckiella ternata Tracy Tennant, J. S. Ross 1998-7-28 MOR- 670 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, upper Millard Cyn. (polygon M16) 1372 Comment
  CAS-BOT-BC61420  Krameria bicolor K. Larson 1976-6-10 2034 Riverside About 30 mi. E of Indio. S. of Chiriaco Summit Comment
  CAS-BOT-BC61424  Krameria bicolor John Thomas Howell 1927-8-1 2875 Riverside N.E. of Whitewater, Colorado Desert 457 Comment
  SD229196  Krameria bicolor Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 891 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCR239243  Krameria grayi Andrew Monks, Jackie McConnaughy, Malia Volke 2010-1 035 Riverside Colorado (Sonoran) Desert, McCoy Wash, road going north from Black Rock Road, south side of private boundary, north of Hwy I-10 244 Comment
  CSUSB1163  Krameria parvifolia Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA0084168  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1415 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
  CAS-BOT-BC205629  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  LA93940  Larrea tridentata A. L. Grant; 1932-5-7 sn Riverside Santa Rosa Mountains, Martinez Canyon Comment
  RSA678448  Larrea tridentata Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SEINET2065363 Image available Larrea tridentata C. Francis Shutts 1949-3-28 119 Riverside Palms to Pine Hwy, Cal 74, 14 miles SE of Palm Springs, Salton Sea drainage 152 Comment
  UC1922404  Larrea tridentata Naomi Fraga, Lisa Rojas 2005-2-10 1373 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR196388  Larrea tridentata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1444 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  SEINET10406508 Image available Larrea tridentata G. B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  SEINET7073482  Lastarriaea coriacea A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  UC1563033  Lastarriaea coriacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3093 Riverside w of Woodchuck Road (s of Highway 79, Kolb Creek drainage); Vail Lake Area 487 Comment
  RSA608200  Lasthenia coronaria R. S. Woglum 1938-5-1 1609 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  UC665882  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside 4 mi n of Whitewater Comment
  UCR95776  Lasthenia coronaria C. B. Wolf 1935-4-7 06306 Riverside Gavilan Hills, 2 mi. SW of Perris 427 Comment
  CAS-BOT-BC352913  Lasthenia coronaria John Thomas Howell 1930-5-10 4800 Riverside Top of St. John's Grade Comment
  RSA554450  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-29 2246 Riverside San Jacinto Valley, ca. 530m W of Gilman Springs Rd (State Hwy 79). & ca. 760m S of Bold Style Avenue. Just NW of the Quail Ranch golf course. 435 Comment
  UCR280722  Lasthenia glabrata subsp. coulteri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 19 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  RSA1440  Lasthenia gracilis J. T. Howell 1929-2-14 1229 Riverside 3 miles S of Glen Ivy. Comment
  UC30439  Lasthenia gracilis Geo. R. Hall 1901-3-17 1676 b Riverside Riverside Comment
  UCR111603  Lasthenia gracilis Mitch Provance, J. Ross 1999-4-1 1731 Riverside Jurupa Mountains, saddle c. 0.5 km east of peak 1437 in the W portion of the Jurupa Mountains. 427 Comment
  UCR167521  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 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR176886  Lasthenia gracilis Tracy Tennant 1998-6-5 1021 Riverside San Jacinto Valley, Stowe Road at California Ave., midway between Winchester and Hemet-Ryan Airport 457 Comment
  RSA92894  Lasthenia gracilis F. W. Peirson 1922-4-29 4520 Riverside Field S of Lake Elsinore 375 Comment
  RSA674545  Lathyrus laetiflorus Scott D. White 2000-5-3 7757 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  SDSU12885  Lathyrus vestitus var. alefeldii J. Jill Steinberg with Janet Knotts 1998-4-22 48 Riverside On south side of foot trail, approximately 60 feet east of stream at top of gully, about 1/2 mile northwest of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 354 Comment
  POM361636  Layia glandulosa N. C. Cooper 1944-5-21 1242 Riverside San Jacinto Mountains, West side 915 Comment
  UC62898  Layia glandulosa H. M. Hall 1902-4-22 2952 Riverside vicinity of Riverside 304 Comment
  CAS-BOT-BC379672  Layia platyglossa Munz; Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  RSA585518  Layia platyglossa D. L. Banks, S. D. Boyd 1995-5-9 0380 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA593885  Layia platyglossa Steve Boyd, David E. Bramlet 1996-4-19 8615 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA34596  Layia platyglossa subsp. campestris N. C. Cooper 1944-4-22 1160 Riverside Banning 732 Comment
  RSA0001369  Layia ziegleri L. B. Ziegler 1966-6-1 s.n. Riverside Between Mountain Center and Keen Camp summit, San Jacinto Mts. 1448 Comment
  RSA769764  Layia ziegleri Duncan S. Bell, Valentin Arvizu 2010-5-10 986 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  RSA310052  Lemna gibba Wayne P. Armstrong 1983-10-8 1170 Riverside Santa Ana River, East of bridge where Highway 31 crosses river. (N of Norco). 207 Comment
  RSA741419  Lemna gibba Justin M. Wood 2008-12-2 256 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  CAS-BOT-BC534385  Lemna gibba R. F. Thorne; E. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  JOTR16713  Lepidium fremontii var. fremontii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON, ABOVE CHOLLA GARDEN Comment
  UCR200259  Lepidium fremontii var. fremontii J. M. Porter, Orlando Mistretta 2003-6-5 13608 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  RSA429929  Lepidium lasiocarpum Robert M. Perkins 1937-3-15 393 Riverside 4 miles W of Desert Center. Comment
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Dec 18 2011
  RSA776293  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2010-4-10 831 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR196372  Lepidium lasiocarpum Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1440 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  RSA543754  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6074 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SD143971  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Box Springs Mountain: Coyote Hill (Benchmark Versity 1386 ft.) and ridge south and southeast of the UCR Botanic Garden 427 Comment
  UCR116431  Lepidium virginicum var. robinsonii Arlee Montalvo 2001-3-21 s.n. Riverside San Bernardino Valley, Riverside, 'Coyote Hill' between Watkins Dr. and Hwy 60/215 438 Comment
  JEPS5749  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  JOTR29437  Lepidospartum squamatum La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1371 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA289819  Lepidospartum squamatum B. A. Prigge 1980-9-16 4037 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  SEINET3147931  Lepidospartum squamatum L. S. Rose 1938-12-20 38332 Riverside 3 mi. SE of Palm Springs Station, Whitewater Wash 274 Comment
  RSA697078  Lepidospartum squamatum var. obtectum W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  UC23414  Leptodactylon californicum A. J. McClatchie May 1892 27 Riverside near Elsinore; near Elsinore Comment
  UCR17751  Leptodactylon californicum subsp. leptotrichomum O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  RSA619548  Leptosiphon liniflorus D. L. Banks 1997-5-5 1997 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
  SD137677  Leptosiphon pygmaeus subsp. continentalis Darin L. Banks, Steve Boyd 1995-5-9 406 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 Woodchuck Campground. 737 Comment
  SEINET8483151 Image available Leptosyne californica D. Terrell 1969-3-21 71 Riverside 17 mi S of Corona on Hwy 71. 122 Comment
  POM361836  Lessingia glandulifera var. glandulifera I. W. Clokey, E. G. Anderson 1935-8-21 6951 Riverside West of Keen Camp P. O. 1200 Comment
  RSA910  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 569 Riverside Road to Hemet, Mt. San Jacinto. 1372 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
  UC421678  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  UC817474  Leymus triticoides P. A. Munz 1922-6-23 5779 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA68710  Lilium parryi Frank W. Peirson 1924-7-27 5003 Riverside South side of Dark Canyon, San Jacinto Mountains. 2499 Comment
  RSA741006  Limnanthes gracilis subsp. parishii Scott D. White, Justin M. Wood 2008-6-18 12218 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UC1873120  Limonium R. E. Riefner Jr. 06 -398 Riverside Corona-La Sierra area, vicinity of Green River Road and Palisades Drive 15 Comment
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Nov 20 2010
  RSA740935  Limosella acaulis Scott D. White, Justin M. Wood 2008-7-9 12437 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA543614  Linanthus androsaceus subsp. luteolus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6149 Riverside S side of Elsinore Peak. Comment
  JOTR30953  Linanthus aureus subsp. aureus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1928 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR33964  Linanthus bigelovii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2850 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
  UC72064  Linanthus dianthiflorus Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR137698  Linanthus dianthiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1512 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
  UC23557  Linanthus floribundus subsp. glaber Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA517246  Linanthus jonesii Steve Boyd, Orlando Mistretta 1986-3-13 1459 Riverside West side Palen Mts.: NE of Desert Center. 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
  UCR41530  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6108 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SDSU3188  Linanthus lemmonii D. F. Howe 1969-5-15 4590 Riverside Near Dripping Springs Camp Grounds. 457 Comment
  UCR25033  Linanthus lemmonii A. C. Sanders 1980-7-22 1736 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UC73619  Linanthus liniflorus Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA599415  Linanthus pungens R. E. Riefner, C. Jones 1996-8-28 96 -160 Riverside San Jacinto Mountain, W summit of Devil's Slide Trail 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
  UCR6480  Linaria canadensis Helen Leach 1967-3-2 C670302- 01 Riverside Pedley 229 Comment
  UCR91407  Linaria canadensis Scott D. White 1995-4-5 2743 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA192091  Linaria canadensis var. texana E. W. Lathrop 1959-4-16 4456 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA496571  Linaria canadensis var. texana Steve Myers 1988-2-24 s.n. Riverside Temescal Canyon, ca. 1/4 mi. W of intersection of Hwy I-15 and Indian Truck Trail. 381 Comment
  RSA614390  Linaria canadensis var. texana D. L. Banks, Victor W. Steinmann 1997-3-13 1525 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR104597  Linaria canadensis var. texana G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  CLARK-A1528-1009  Linum lewisii John C. Roos 1947-5-24 3647 Riverside San Jacinto Mountains 1706 Comment
  RSA497947  Linum lewisii E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild, San Jacinto Mts. 1585 Comment
  UC489224  Listera convallarioides C. V. Meyer 1928-7-24 520 Riverside s slope Marion Mt.; San Jacinto Mts. 2133 Comment
  RSA0010979  Lithophragma affine Scott D. White, Angelia Carey 2004-4-5 9990 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR280818  Lithophragma affine Mitch Provance 2017-5-4 517- 51 Riverside San Jacinto Mountains, Idyllwild, near corner of Canyon Dr. and Marian View Dr. 1585 Comment
  SDSU13474  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside Santa Margarita Ecological Reserve: south rim of Temecula Gorge in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  SD137812  Loeflingia squarrosa var. squarrosa Darin L. Banks, Steve Boyd 1995-5-3 207 Riverside Agua Tibia Mountains Water Shed;Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain. 495 Comment
  UCR225141  Logfia arizonica Dave Silverman, Onkar Singh 2010-3-25 7843 Riverside Sonoran (Colorado) Desert, NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10 151 Comment
  UCR91674  Logfia filaginoides Steve Boyd 1995-4-5 8423 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  SEINET271858 Image available Lolium perenne subsp. multiflorum A. C. Sanders, KD Jones; D. Malueg 1996-4-20 18055 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats on the east side of the river ch 433 Comment
  SEINET182499  Lomatium dasycarpum I. W. Clokey 1935-4-18 7680 Riverside Cavilan Peak 700 Comment
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Dec 29 2013
  RSA525329  Lomatium lucidum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4460 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UCR768  Lomatium utriculatum Robert A. Hawthorne 1957-3-27 s.n. Riverside San Bernardino Valley Region, Riverside, Citrus Experiment Station [now UCR], dry wash behind horse barn 275 Comment
  UCR89901  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  RSA605678  Lotus R. S. Woglum 1939-4-11 2219 A Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  UCR16280  Lotus argophyllus D. C. Wald 1967-4-30 s.n. Riverside Bernasconi Hills near Lakeview 518 Comment
  RSA342541  Lotus argophyllus var. argophyllus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54088 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR201415  Lotus corniculatus Justin M. Wood, Brandy N. Ulrich 2008-7-14 17 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  UCR263726  Lotus crassifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4982 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  UC80920  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  UCR24896  Lotus grandiflorus A. C. Sanders 1980-7-22 1702 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA515326  Lotus hamatus Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro near head of Cole Canyon. 488 Comment
  UCR116456  Lotus hamatus A. C. Sanders, T. B. Salvato 2001-3-30 23871 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
  UCR174444  Lotus hamatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32509 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  GMDRC2043  Lotus heermannii J. Andre 2006-4-26 6757 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA297753  Lotus heermannii Barbara Ertter, J. Strachan 1979-6-26 2988 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  RSA757447  Lotus heermannii Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55226 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UCR251996  Lotus heermannii A. C. Sanders, T. B. Salvato 2014-7-2 41171 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA406730  Lotus heermannii var. heermannii N. C. Cooper 1949-6-29 4335 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR250200  Lotus humistratus A. C. Sanders 2014-4-23 41045 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  POM307257  Lotus nevadensis var. nevadensis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2129 Riverside Santa Rosa Mountains. Comment
  POM12852  Lotus oblongifolius P. A. Munz 1922-6-23 5778 Riverside Garner Ranch, Hemet Valley 1372 Comment
  UCR30492  Lotus purshianus John C. Roos 1952-5-26 5721 Riverside Haas' Ranch, Reche Canyon 457 Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  UC1922410  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR126497  Lotus salsuginosus A. C. Sanders, K. C. Rose 1995-4-27 16733 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  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
  RSA498847  Lotus scoparius var. scoparius G. R. Johnstone 1934-3-27 18576 Riverside Near Wildomar. Inland route to Temecula. Comment
  CLARK-A1528-1165  Lotus strigosus Cameron Duncan 1966-3-27 Riverside Riverside 914 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
  RSA586301  Lotus strigosus D. L. Banks, S. D. Boyd 1995-5-3 0212 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET7063225  Lotus strigosus A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UC864293  Lotus strigosus Ira L. Wiggins 1937-3-9 8766 Riverside n of Indio Comment
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Dec 16 2011
  UCR133983  Lotus strigosus Mitch Provance, J. S. Ross 1998-3-27 MOR- 973 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UCR226726  Lotus strigosus Jim Andre 2011-2-9 15941 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  VVC945  Lotus strigosus G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR251673  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  RSA4930  Lotus tomentellus C. B. Wolf 1932-4-27 3068 Riverside Colorado desert, Chuckwalla Valley, 16 miles east of Desert Center lower Sonoran. 122 Comment
  RSA703479  Lotus tomentellus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1423 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR47240  Lotus tomentellus B. G. Pitzer, L. F. LaPre 1987-3-2 0437 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA262121  Lotus unifoliolatus E. W. Lathrop 1973-5-28 7502 Riverside Main Divide Truck Trail beween El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA795474  Lupinus arizonicus C. P. Cowan 1978-4-23 1208 Riverside 6.3 miles (10 km) south on Highway 74 from its junction with Highway 111 at Indian Wells. 480 Comment
  UCR244879  Lupinus arizonicus Jim Andre 2012-3-19 21387 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SEINET6180880  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6423 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe.; 0 290 Comment
  RSA502901  Lupinus bicolor Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR138139  Lupinus bicolor subsp. microphyllus D. L. Banks, V. W. Steinmann 1997-3-13 1457 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  RSA770841  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4945 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
  UCR177827  Lupinus concinnus S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  POM11289  Lupinus concinnus var. concinnus Philip A. Munz 1922-6-30 5915 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  POM50377  Lupinus densiflorus var. lacteus W. W. Eggleston 1924-3-8 19523 Riverside Hemet. 480 Comment
  OBI30747  Lupinus excubitus Rhonda Riggins 1982-4-15 1342 Riverside Roadside CA 371 in Anza Valley, 7.5 mi N jctn CA 79 in Aguanga Comment
  UCD107649  Lupinus excubitus Richard Bates 1949-5-21 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR174923  Lupinus excubitus Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Range, San Jacinto Mtns., Calif. Hwy 243 at turnout around Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  POM229043  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak. 2409 Comment
  RSA770853  Lupinus excubitus var. austromontanus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4935 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
  UCR77720  Lupinus excubitus var. austromontanus Steve Boyd 1991-5-7 6159 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  RSA797258  Lupinus formosus Robert F. Thorne, Walter Wisura 1977-9-17 50796 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  RSA413692  Lupinus hirsutissimus N. C. Cooper 1945-5-5 2249 Riverside San Gorgonio Mountains above Banning 762 Comment
  UCD107944  Lupinus hirsutissimus R. N. Raynor 1933-3-31 s.n. Riverside San Jacinto Valley. Comment
  UCR104926  Lupinus hirsutissimus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20654 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
  UCR262283  Lupinus hirsutissimus A. C. Sanders 2006-5-13 32284 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
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  POM123547  Lupinus latifolius subsp. parishii Philip A. Munz, I. M. Johnston 1924-7-27 8729 Riverside Deer Springs, San Jacinto Mts 2500 Comment
  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
  UCR169472  Lupinus microcarpus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR273790  Lupinus microcarpus Mitch Provance 2012-4-20 412- 25 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  UCR182531  Lupinus microcarpus var. densiflorus Mitch Provance 2005-5-17 6579 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR227  Lupinus microcarpus var. densiflorus Frank C. Vasek 1958-4-26 s.n. Riverside Palomar Mtn. Region, Hwy '71' [79], east of Temecula, east end of [Temecula Creek] bridge at E end of cultivated valley [Pauba Valley] 366 Comment
  UCR132485  Lupinus shockleyi Chris E. True 2004-3-4 s.n. Riverside Coachella Valley, Windy Point, south side of point 311 Comment
  UCR256794  Lupinus sparsiflorus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7872 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA50800  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA591823  Lupinus sparsiflorus subsp. sparsiflorus E. W. Lathrop 1966-3-20 6069 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  SBBG3714  Lupinus succulentus H. and M. Dearing 1939-4-5 3091 Riverside Hemet Valley Comment
  UCR241404  Lupinus succulentus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7448 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  SD133082  Lupinus truncatus Scott White 1991-5-10 91 148 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  SD152847  Lupinus truncatus Steve Boyd 1992-4-15 6861 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail. 334 Comment
  UCR176898  Lupinus truncatus Tracy Tennant 1998-5-13 1017 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  UCR91641  Lupinus truncatus D. L. Banks, Steve Boyd 1995-5-17 457 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  POM259735  Lycium andersonii E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  UCR87089  Lycium andersonii Richard Minnich 1992-2-18 s.n. Riverside Riverside, c. 1 km SW of Mockingbird Canyon Reservoir Comment
  CAS-BOT-BC233504  Lycium cooperi Joy Keck 1935-4-15 3847 Riverside White Tank, Little San Bernardino Mountains Comment
  UCR101571  Machaeranthera tortifolia Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR24940  Madia elegans A. C. Sanders 1980-7-18 1647 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CSUSB1446  Malacothamnus fasciculatus Dean Jones 1966-2-25 Riverside Along creek a few a hundred yards past the road, in canyon, south of Stone Face, in Riverside. 365 Comment
  POM10403  Malacothamnus fasciculatus Charlotte M. Wilder 1904-6-11 35 Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA263658  Malacothamnus fasciculatus E. W. Lathrop 1977-3-29 7512 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive Comment
  UCR154406  Malacothamnus fasciculatus A. C. Sanders, Mike Misenhelter 2005-6-15 30945 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
  UCR123633  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, A. C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, W side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. c. 1370 ft. NE of San Diego Co. line 186 Comment
  UCR35114  Malacothamnus fasciculatus var. laxiflorus L. B. Ziegler 1977-4-17 565 Riverside hills on W side of San Jacinto Valley 473 Comment
  SBBG101737  Malacothrix clevelandii S. Boyd with D. Bramlet 1991-5-13 6246 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 Comment
  POM11908  Malacothrix coulteri P. A. Munz 1922-4-29 5108 Riverside Sedco Station, Temescal Canyon Comment
  RSA176343  Malacothrix glabrata R. F. Thorne 1963-3-29 32400 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA341991  Malacothrix glabrata R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54053 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA727393  Malacothrix glabrata Naomi Fraga, Lisa Rojas 2005-2-10 1385 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SBBG35055  Malacothrix glabrata T. L. Secrest 1948-4-10 Riverside near Sage Comment
  UC1539720  Malacothrix glabrata Chas. B. Fiker 1946-4-16 3415 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UC55115  Malacothrix glabrata H. M. Hall 1902-4-12 2838 Riverside Coyote Canyon, w Colorado Desert Colorado Desert 152 Comment
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Jun 21 2011
  UC565513  Malacothrix glabrata Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR167223  Malacothrix glabrata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR216337  Malacothrix glabrata Mike Bell 2008-3-19 041 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  UCR227695  Malacothrix glabrata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 111 Riverside Colorado Desert; Northeastern Colorado Desert region, Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UCR90167  Malacothrix glabrata R. W. Scora 1966-4-1 3006 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA594788  Malacothrix saxatilis var. tenuifolia D. L. Banks, Dylan Hannon 1996-5-3 0983 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  RSA0013135  Malva neglecta LeRoy Gross, Caitlin Elam 2013-5-14 6065 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
  UCSB45543  Malva parviflora Roos, John; Roos, Lucille 1951-5-5 Riverside Fairmont Park, Riverside Comment
  RSA162694  Malvella leprosa J. D. Olmsted 1959-9-23 1022 Riverside San Jacinto River crossing by Lakeview Rd. from US 395 NW of Lakeview Mts 427 Comment
  RSA654970  Malvella leprosa A. C. Sanders, D. Malueg, K. D. Jones 2000-9-8 23633 Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UC403439  Mammillaria dioica L. J. Childs Jan. 1925 Riverside Deep Creek Colorado Desert (mouth) Comment
  SDSU12949  Marah macrocarpa Jutta Buschbom 1991-6-1 31 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
  UCR225715  Marah macrocarpa A. C. Sanders 2011-3-30 38912 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA0122702  Marina parryi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9062 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
  UCR196345  Marina parryi Naomi Fraga, Lisa Rojas 2005-2-10 1411 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR75077  Marina parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12121 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA586319  Marrubium vulgare D. L. Banks, Steve D. Boyd 1995-5-3 230 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR149986  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR280600  Matricaria occidentalis R. E. Riefner Jr. 2016-4-24 17- 196 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  LA206252  Meconella denticulata W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  IRVC28526  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside Riverside, UCR campus at University Bldg. South (old Citrus Expt. Sta. Director's residence area) 351 Comment
  UCR226048  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  CLARK-A1528-4730  Melica imperfecta John C. Roos 1939-5-27 Riverside Reche Canyon Comment
  POM9732  Melica imperfecta Mary F. Spencer 1921-4-16 1842 Riverside Banning. Comment
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Mar 13 2011
  RSA599111  Melica imperfecta V. W. Steinmann 1996-4-13 831 Riverside East of Route 15, summit of hill (1577 ft) east of Temescal Canyon road at a point 0.2km NW of the jct. with Indian Truck Trail 500 Comment
  RSA716373  Melica imperfecta Scott D. White 2006-4-27 11291 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  SD137951  Melica imperfecta Darin L. Banks, Steve Boyd 1995-5-3 273 Riverside N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove area, along the lower alluvial benches of Arroyo Seco 512 Comment
  SEINET244781 Image available Melica imperfecta A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-8 24204 Riverside Perris-Aguanga Basin; S of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. Comment
  UCR139031  Melica imperfecta D. L. Banks 1997-3-29 1635 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR151960  Melica imperfecta Steve Boyd, Aydee Virgen 2004-4-13 10852 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  SEINET11978669  Mentzelia dispersa Unknown 1936-1 12839 Riverside Colorado Desert, N of Palm Springs Comment
  UC1922408  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA440446  Mentzelia jonesii N. C. Cooper 1949-4-8 3345 Riverside Blythe. 259 Comment
  UCR166209  Mentzelia jonesii A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al 1995-3-5 15994 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  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
  JEPS41175  Mentzelia laevicaulis var. laevicaulis Carl V. Meyer June 1927 209 Riverside at foot of Idyllwild Grade Western Base of San Jacinto Mt.,Idyllwild Grade Comment
  UCR104003  Mentzelia obscura George K. Helmkamp 1998-4-4 3145 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA359525  Microseris douglasii subsp. platycarpha Steve Boyd 1986-3-9 1387 Riverside Temescal Canyon: Alberhill Mt., south slope just east of claymine area 427 Comment
  UCR112009A  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2000-5-25 23410 A Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA612933  Microseris heterocarpa D. L. Banks 1997-3-29 1644 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. 463 Comment
  RSA763053  Microseris heterocarpa E. W. Lathrop 1969-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR48481  Microseris heterocarpa Steve Boyd 1986-4-2 1584 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR152633  Microseris lindleyi A. C. Sanders 2005-4-22 29590 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR172232  Microseris lindleyi John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  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
  UCR84878  Microseris lindleyi A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16123 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA0018777  Mimetanthe pilosa Carl B. Wolf 1932-5-25 3675 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  RSA0018782  Mimetanthe pilosa N. C. Cooper 1949-6-29 4333 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  SEINET10796647  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12839 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  LA209114  Mimulus aurantiacus var. pubescens W. E. Pequegnat; 1939-4-8 18 Riverside Santa Ana Mountains Comment
  RSA666637  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 25001 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  UC987817  Mimulus aurantiacus var. pubescens Reid Moran 1941-5-5 845 Riverside e Quail Spring; Joshua Tree National Monument 1300 Comment
  LA209130  Mimulus aurantiacus var. puniceus W. E. Pequegnat; 1939-4-8 43 a Riverside Santa Ana Mts Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  JEPS9935  Mimulus brevipes W. L. Jepson 1935-4-21 17161 Riverside Wisser Valley Comment
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Apr 7 2009
  UC1409045  Mimulus brevipes Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38099 Riverside above James Reserve (in Hall Canyon); San Jacinto Mts., San Bernardino National Forest 1676 Comment
  UCR133674  Mimulus brevipes John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA296178  Mimulus cardinalis Barry A. Prigge 1980-8-5 3816 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  UCR217534  Mimulus diffusus Diane Menuz 2008-4-28 433 Riverside Peninsular Range, Palomar Mts area, east of Pechanga Indian Reservation. 1.7 km south of Hwy 79, south of Arroyo Seco Creek, c. 1.5 mi along Wildhorse Trail 563 Comment
  UCSC000869  Mimulus fremontii Peter Kamb 1948-7-4 1173 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UCR35245  Mimulus fremontii var. fremontii L. B. Ziegler 1967-6-18 221 Riverside San Jacinto Mtns., SW slope of Thomas Mountain at edge of Cahuilla Valley 1341 Comment
  CLARK-A1528-4265  Mimulus pilosus John C. Roos 1948-6-10 3882 Riverside San Jacinto Mountains Comment
  RSA1317  Mimulus pilosus J. T. Howell 1928-7-9 1071 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  UCR194225  Mimulus pilosus Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR256786  Mimulus pilosus T. B. Salvato, Matthew Malle 2013-5-20 7573 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  RSA430193A  Mimulus rubellus R. S. Woglum 1937-5-22 550 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  LA209440  Mimulus tilingii Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  JOTR32838  Mirabilis albida La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1548 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  CHSC36008  Mirabilis bigelovii var. retrorsa James Henrickson 1973-3-18 8609 Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  UCR175379  Mirabilis californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-8 292 Riverside Peninsular Ranges; Box Springs Mtns, Riverside, UCR campus; S on road east of UCR herbarium, Bio 5C hill 396 Comment
  POM758  Mirabilis laevis var. crassifolia J. D. Abrams 1901-05 s.n. Riverside Elsinore. Comment
  UCD98077  Mirabilis laevis var. crassifolia Franklin C. Raney 1959-4-30 59 -5 Riverside State Highway 74, 1 mile east of Romoland. Comment
  OBI40178  Mirabilis laevis var. retrorsa N. Miles Fellows 1985-3-16 114 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village 488 Comment
  POM294052  Mirabilis laevis var. retrorsa Lyman Benson 1945-3-29 11623 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA464249  Mirabilis laevis var. retrorsa Martha Hilend 1928-3-9 66 Riverside Near White Water Bridge. Colorado Desert. Comment
  UC56246  Mirabilis laevis var. retrorsa H. M. Hall Apr 1902 Riverside Coyote Canyon; Western borders of the Colorado Desert 152 Comment
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Aug 14 2010
  RSA776090  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 822 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  RSA777680  Mirabilis laevis var. villosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 980 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UC7644  Mirabilis multiflora var. pubescens H. M. Hall June, 1901 2162 Riverside 4550 ft Vandeventer Flat Comment
  CLARK-A1528-4222  Mohavea confertiflora John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  JEPS24421  Mohavea confertiflora Peter M. Ray 1949-3-12 1389 Riverside Painted Canyon, Orocopia Mountains, east of Mecca. Comment
  RSA709912  Mohavea confertiflora Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4616 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR1125  Mohavea confertiflora Emmylou M. Krausman 1958-3-1 09 Riverside Sonoran (Colorado) Desert, 20 yards from Pines to Palms Hwy, 2.0 miles from Hwy 111 intersection in Palm Desert 97 Comment
  PASA135  Mohavea viscida R. E. Merrill Riverside Palm Canyon Comment
  RSA0005446  Monardella hypoleuca D. L. Banks 1997-2-5 1256 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
  POM187414  Monardella lanceolata var. lanceolata L. Crutcher 1933-8-1 8 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  RSA0012217  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1372 Comment
  SEINET10499560 Image available Monardella macrantha var. hallii Harvey M. Hall Hall 1936 Riverside Palomar Comment
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Jul 19 2020
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  LA96080  Monardella nana Elizabeth McClintock; 1940-7-21 28 Riverside Santa Rosa Mountains, short distance below Santa Rosa Springs Comment
  UC1499856  Monardella nana E. McClintock, J. Fenley 1937-7-10 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  LA57197  Monardella nana Carl Epling; K. Simmons 1939-6-12 s.n. Riverside Santa Rosa Mts Comment
  RSA651659  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 126 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UCR94622  Monardella nana subsp. arida Jeri Hirshberg 1995-5-30 s.n. Riverside San Jacinto Mtns, Pinyon Flats area, north of Ribbonwood Drive, 0.5 mi. NW of turnoff to Alpine Village. Comment
  UC1499831  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside trail to Hidden Lake (along switchbacks); San Jacinto Mts. Comment
  UC63741  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-17 691 Riverside Tahquitz Valley San Jacinto Mountains 2438 Comment
  SEINET10961482  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 46 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  UCR228160  Monolepis nuttalliana Dave Silverman 2010-3-24 7830 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  JEPS30535  Monoptilon bellioides Peter H. Raven 1958-1-24 11447 Riverside Fargo Canyon Comment
  POM98820  Monoptilon bellioides P. A. Munz 1926-1-31 9952 Riverside Dos Palmos [Palmas] Spring. Comment
  UCR260592  Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41552 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  POM10484  Mucronea californica Charlotte M. Wilder 1904-3-15 202 Riverside Wilders Canyon Comment
  CLARK-A1528-76  Muhlenbergia asperifolia John C. Roos 1951-9-25 5257 Riverside Riverside 259 Comment
  POM183877  Muhlenbergia asperifolia P. A. Munz 1932-10-16 12844 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  RSA582044  Muhlenbergia asperifolia L. C. Wheeler 1933-12-2 2313 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  RSA788880  Muhlenbergia filiformis Gary D. Wallace 2003-7-8 4044 Riverside Hidden Lake. Comment
  CHSC60212  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. Comment
  CLARK-A1528-4755  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Comment
  RSA496131  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3010 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  UCR116787  Muhlenbergia microsperma A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24159 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
  UCR83247  Muhlenbergia microsperma N. M. Fellows 1982-5-5 s.n. Riverside Hills south of UCR Campus Comment
  POM9051  Muhlenbergia microsperma P. A. Munz, Harwood 1920-2-28 3238 Riverside 2 mi. southeast of Corona 274 Comment
  JOTR30295  Muhlenbergia porteri La Doux, Tasha, Jim Andre 2007-9-6 129 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA50673  Muhlenbergia richardsonis E. C. Jaeger 1949-7-25 s.n. Riverside Santa Rosa Mountain 1585 Comment
  RSA597519  Muhlenbergia richardsonis L. C. Wheeler 1945-10-6 6136 Riverside San Jacinto Mountains. Head of west fork of Snow Creek. 2377 Comment
  CLARK-A1528-4766  Muhlenbergia rigens John C. Roos 1952-8-27 5895 Riverside Reche Canyon 487 Comment
  UC1132384  Muhlenbergia rigens H. S. Yates 1936-8-29 6381 Riverside near Pine Flat; San Jacinto Quadrangle Comment
  POM13204  Muilla maritima Philip A. Munz, I. M. Johnston 1922-5-20 5465 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  RSA367333  Muilla maritima Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  UCR17317  Najas marina Carl Yonge 1976-7-5 s.n. Riverside Western Colorado Desert, Indio, lake in municipal golf course [Ave. 42, sea level] 0 Comment
  RSA421102  Nama demissa M. B. Dunkle 1933-3-5 3074 Riverside Palm Springs. Colorado Desert. 152 Comment
  UCR103572  Nama demissa var. demissa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2745 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  NY1082297  Nama demissum N. H. Holmgren 1973-3-23 6485 Riverside At the south entrnce to Joshua Tree Monument, near Interstate 10, 24 miles east of Indio 549 Comment
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Nov 18 2017
  UCR167391  Nama hispida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  GMDRC5513  Nama hispida var. spathulata J. Andre 2012-3-19 21340 Riverside Chuckwalla Valley: along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of Jct with I-10 freeway 157 Comment
  UCR198171  Nama hispida var. spathulata Michael Honer, Theresa Miller 2005-3-11 2063 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  POM263110  Nassella cernua J. C. Roos 1937-5-10 430 Riverside Perris Comment
  CAS-BOT-BC259972  Nassella lepida H. Haid 1968-5-19 s.n. Riverside San Jacinto Mountains: Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA263718  Nassella lepida E. W. Lathrop 1966-5-26 6343 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  JEPS8950  Navarretia atractyloides Rimo Bacigalupi with G. T. Robbins 1954-5-16 4470 Riverside 0.5 mi n Sage (1.5 mi s of junction of road to Red Mountain, along road from Hemet to Sage (Calif Hwy 179)) 762 Comment
  LA102250  Navarretia atractyloides John C. Roos; 1950-5-27 4818 Riverside NE summit of Reche Canyon 761 Comment
  RSA469877  Navarretia fossalis Christopher Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCR70681  Navarretia fossalis D. E. Bramlet 1991-6-1 2170 Riverside Perris-Aguanga Basin region, San Jacinto River, about 2.2 km west of Lakeview, within the riverbed, 1 mi north of MWD (Colorado Aqueduct) easement road 473 Comment
  UCR20978  Navarretia prostrata A. C. Sanders 1980-5-17 1466 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  RSA464361  Nemacaulis denudata var. gracilis S. B. Parish 1896-04 1931 Riverside Palm Springs. Comment
  UC29166  Nemacladus longiflorus var. longiflorus H. M. Hall 1898-6-28 960 Riverside Strawberry Valley; San Jacinto Mts. 1828 Comment
  UCR127943  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA643682  Nemacladus rubescens A. C. Sanders, G. Nuhn 1995-4-20 16579 Riverside Colorado Desert: Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mts., NE of 1000 Palms; 0.6 miles NE of Dillon Rd. 350 Comment
  UCR164063  Nemacladus tenuis var. aliformis A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29147 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA523373  Nemophila menziesii G. H. True 1935-3-1 28 Riverside Box Springs. 366 Comment
  RSA426660  Nicotiana attenuata Albert J. Perkins 1916-9-17 s.n. Riverside Idyllwld. Comment
  UC1929949  Nicotiana attenuata Scott D. White, Justin Wood 2008-6-16 12140 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Idyllwild, Palm View Peak 7.5' Quad. Comment
  UCR12273  Nicotiana clevelandii Art Whistler 1966-3-26 s.n. Riverside Colorado Desert/ Santa Rosa Mtns, alluvial fan below Deep Canyon, 1 mi. from the Boyd Desert Research Center. Comment
  JEPS12267  Nicotiana obtusifolia W. I. Follett 1942-3-22 127 Riverside 12.2 mi e Mecca; Colorado Desert Comment
  RSA25296  Nicotiana obtusifolia C. Leo Hitchcock 1940-3-31 5889 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  SBBG120594  Nicotiana quadrivalvis A. C. Sanders 2006-5-19 32426 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  JOTR29586  Nolina parryi Andre, Jim 2006-4-26 6779 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  POM11513  Nolina parryi Philip A. Munz 1922-6-30 5928 Riverside Santa Rosa Mountains, south of Santa Rosa. 1768 Comment
  SD142035  Nolina parryi James C. Dice 1985-6-13 617 Riverside SE portion of Thomas Mtn., ca. 4 km S of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  UCR24197  Nolina parryi John C. Roos, Lucille Roos 1949-4-23 4282 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
  SD122666  Nolina parryi C. C. Parry 1876-1 Riverside Probably Riverside County. Desert east of San Bernardino, (See cotype at MO for more specific locality information). Photograph of specimen only. Comment
  CAS-BOT-BC71163  Notholaena californica Ivan Johnston 1917-4-4 1052 Riverside Palm Canyon 304 Comment
  RSA747567  Notholaena californica Michael Honer 2003-4-16 1826 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  UCR132749  Notholaena parryi Scott D. White 1993-2-5 1048 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  CHSC1140  Oenothera californica V. Holt 1942-3-29 Riverside Near Indio. -6 Comment
  UC1241196  Oenothera primiveris subsp. bufonis Peter H. Raven 1958-2-16 11624 Riverside 8.1 mi north of Midland, ca 5 miles south of Highway 62. Comment
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Jun 9 2012
  UCSB4343  Oenothera sinuosa Koran, John 1958-4-14 Riverside 14.2 mi. W. of HWY111 on HWY 74; just outside of Palm Desert 609 Comment
  RSA604766  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Rubidoux Mt, NE foot of the Mtn above the end of 9th Street. 305 Comment
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Jun 26 2008
  CAS-BOT-BC427456  Oligomeris linifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2128 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  CAS-BOT-BC427466  Oligomeris linifolia J. Cole 1942-5-19 962 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  JOTR32019  Oligomeris linifolia La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2249 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  UC68557  Oligomeris linifolia H. M. Hall Apr., 1905 5909 Riverside Mule Springs; Colorado Desert, Mule Springs Comment
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Sep 11 2011
  SBBG67466  Olneya tesota M. N. Ackley 1928-3-31 618 Riverside Hidden Spring Cyn 243 Comment
  UCR116895  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region, Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 434 Comment
  UCR261558  Oncosiphon piluliferum James A. Phillips 2015-5-13 054 Riverside San Bernardino Valley, Box Spring Mountains Park, road to radio towers 750 Comment
  POM83401  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  RSA296174  Opuntia engelmannii var. engelmannii B. A. Prigge 1980-8-5 3859 Riverside Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
  UCR47518  Opuntia leucotricha A. C. Sanders, Mira M. Bogen 1987-5-28 7105 B Riverside City of Riverside, along Van Buren Boulevard, near the bridge over the Santa Ana River, at Riverside sewer plant 244 Comment
  RSA653226  Opuntia microdasys A. C. Sanders, T. B. Salvato 2000-5-30 23438 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Brandley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  POM305019  Opuntia parryi Lyman Benson 1962-2-17 16142 Riverside 4 miles northeast of Aguanga. 915 Comment
  RSA286799  Orcuttia californica R. F. Thorne 1974-5-23 44665 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UC1532824  Orcuttia californica Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47312 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  UC455794  Oreostemma alpigenum var. andersonii I. J. Condit 1910-6-22 Riverside Tahquitz Valley San Jacinto Mts. 2438 Comment
  UCR168362  Orobanche cooperi C. B. Wolf 1932-4-29 3113 Riverside Eastern Sonoran (Colorado) Desert, 4 mi south of Browns Well on Blythe to Rice Road 213 Comment
  UCR132658  Orobanche fasciculata L. F. LaPre 2001-5-13 s.n. Riverside San Jacinto Mtns., Bautista Canyon, section 1 1280 Comment
  RSA0081030  Orobanche fasciculata C. W. Tilforth, B. Busenberg 1980-6-17 2021 Riverside South of Toolbox Springs Campground along Thomas Mtn. Rd., south of Lake Hemet, west of Highway 74. Comment
  CSUSB900  Orthocarpus purpurascens Ken Stolte 1978-4-27 Riverside 1 mile south of junction of Highway 60 and Central Ave, 200 meters east off Central, in Riverside. Comment
  RSA409108  Orthocarpus purpurascens Ora M. Clark 1929-4-6 1957 Riverside S of Hemet. Comment
  SEINET3129689  Oryzopsis hymenoides S. B. Parish 1907-4-24 6143 Riverside Western border of the Colorado desert 450 Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  UCR113534  Oxalis rubra Mitch Provance 2000-4-14 1899 Riverside UCR Family Housing, 3360 Idaho St., Riverside c. 320 Comment
  UC597638  Oxytheca trilobata Philip A. Munz 1937-5-31 15117 Riverside below Anza Tablet (at head of Coyote Canyon, sw Riverside County); Coyote Canyon 1005 Comment
  UCR147565  Oxytheca trilobata Rashmi Pant, D. L. Banks 1996-5-1 1013 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Cleveland National Forest: Along the Cutca Trail, east of the Cutca Valley, c. 0.5 miles west of the Aguanga Trail Junction Comment
  CLARK-A1703-1219  Paeonia brownii Charlotte Stocks 1964-5-1 Riverside Temecula Comment
  UCD134880  Palafoxia arida var. gigantea Ann F. Johnson 1975-1-3 1121 Riverside near Highway I-10 at 'Stuckey's Candy' north of Palm Springs. Comment
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Nov 27 2014
  RSA663891  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  UCR17636  Panicum alatum var. minus Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  RSA495819  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2929 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA523506  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3965 -B Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UCR162569  Parietaria hespera var. hespera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR19219  Parietaria hespera var. hespera John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA737261  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SBBG89555  Parkinsonia aculeata J. Adams 1965-5-9 211 Riverside northern section of Palm Springs on Hwy 111 243 Comment
  JEPS121546  Parkinsonia florida Adam C. Schneider with Will Freyman 2014-2-16 392 Riverside Box Canyon Road. Comment
  LA45756  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  RSA0013755  Parkinsonia florida April Garbat, Sarah J. De Groot 2013-4-9 42 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd 130 Comment
  RSA0112102  Parkinsonia florida Duncan S. Bell 2009-10-9 485 Riverside Northwest of the Arica Mountains. 281 Comment
  UCR244308  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA700041  Parosela mollis W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  RSA699171  Parosela schottii Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  UCR197056  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CLARK-A1528-2019  Pectis papposa John C. Roos 1937-8-22 1212 Riverside Comment
  SEINET3102119  Pectis papposa Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17460 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  RSA781999  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 093 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  RSA782001  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
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Apr 1 2019
  UCR214130  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37728 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  CLARK-A1656-709  Pectocarya heterocarpa Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  POM8540  Pectocarya heterocarpa Mary F. Spencer 1920-4-9 115 Riverside In desert sand. Palm Springs. 122 Comment
  RSA716400  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET10805493  Pectocarya linearis John F. Green 2006-4-18 Green s.n. Riverside NE of Murrieta just S of Los Alamos Rd. ("Clinton Keith Rd."), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley (Murrieta 7.5'Q). Dirt road edges with remnant sage scrub in rural residential area; less disturbed extant sage scrub to the NW. 415 Comment
  UC2015651  Pectocarya linearis A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16180 Riverside Coachella Valley/San Jacinto Mtns., foothills: Chino Canyon near the Palm Springs tram station. Comment
  HSC79098  Pectocarya linearis subsp. ferocula James Henrickson 1973-3-18 8596 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  RSA525683  Pectocarya linearis subsp. ferocula Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4553 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UC1114562  Pectocarya penicillata Peter H. Raven 1958-3-15 11838 Riverside Box Canyon Comment
  UCR86889  Pectocarya penicillata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16280 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA0035941  Pectocarya platycarpa Deidre Conocchioli, Sarah J. De Groot 2014-1-23 132 Riverside Just off HWY-62 E of 29 Palms. 2.8 miles W of HWY-177, E of the Colorodo River. 104 Comment
  JOTR32198  Pectocarya setosa Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Gentle, gravelly north facing slope near the intersection of Ryan Mountain Trail and Sheep Pass Spur Trail (Stop 3) 1361 Comment
  RSA80839  Pedicularis semibarbata Peterson Ewan 1930-9-1 2168 Riverside Rock fissures near Summit of Mount San Jacinto 3294 Comment
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Jul 6 2010
  UCSB16960  Pediomelum californicum Brooks, Terry 1963-5-5 Riverside Pinon-Flats Campground on California State Highway 74 1219 Comment
  RSA771699  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4695 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
  UCR213477  Pellaea andromedifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37839 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA686750  Pellaea andromedifolia var. andromedifolia Christopher Davidson 1977-5-25 5660 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  IRVC3145  Pellaea mucronata M. Savage 1965-4-24 HS 588 Riverside Hwy 71, 1 mile W of Dripping Springs Gaurd Station. Peninsular Ranges Comment
  RSA686924  Pellaea mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  RSA686928  Pellaea mucronata Norman C. Cooper 1944-3-24 1032 Riverside Banning. 701 Comment
  SBBG32334  Pellaea mucronata L. S. Rose 1966-12-14 66108 Riverside Chino Cyn, 3 mi W of Palm Springs Desert 670 Comment
  SEINET3873279  Pellaea mucronata T. B. Salvato, John F. Green 2004-5-27 626 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. (Forest Falls 7.5' Q.).; 0 1402 Comment
  UCR261392  Pellaea mucronata Joseph Cahill 2011-1-8 111- 22 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  JEPS44371  Pellaea mucronata var. californica Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4251 Riverside just below Toro Peak (s of the saddle, e of the peak); Santa Rosa Mts 2499 Comment
  JOTR29594  Pellaea mucronata var. mucronata Andre, Jim 2006-4-26 6773 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
  POM11163  Pellaea mucronata var. mucronata P. A. Munz 1922-7-1 5938 Riverside Santa Rosa Mountains: Old Nicholas Canyon. 1463 Comment
  POM858  Pellaea mucronata var. mucronata P. A. Munz 1918-4-27 2123 Riverside Temecula Canyon, beyond Elsinore Comment
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Mar 27 2011
  UC218653  Pellaea mucronata var. mucronata P. A. Munz and I. M. Johnston 1922-5-19 5408 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 1066 Comment
  UCR39184  Pennisetum setaceum M. L. Rosczyk, G. K. Helmkamp 1985-4-4 211 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
  RSA750550  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  HSC29906  Penstemon centranthifolius R. W. Spjut 1972-3-13 2261 Riverside W border of the Colorado Desert, slopes of the San Jacinto Mtns. near the E border of the San Bernardino National Forest along Hwy. 74 915 Comment
  JOTR16853  Penstemon centranthifolius Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK Comment
  NY583793  Penstemon centranthifolius D. B. Dunn 1973-6-15 20770 Riverside Collected at the junction of Highway 74 and 71. A gas station on the southwest corner. Comment
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May 24 2012
  RSA20207  Penstemon centranthifolius Carl B. Wolf 1938-6-11 9418 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  SDSU10931  Penstemon centranthifolius W. T. Wiliams 1962-5-12 Riverside San Jacinto, 5 miles N of Idyllwild. Growing 10 feet W of Hwy. Comment
  UCR202246  Penstemon centranthifolius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA192104  Penstemon heterophyllus var. australis E. W. Lathrop 1960-6-7 4892 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
  UC217842  Penstemon labrosus P. A. Munz 1922-9-7 6454 Riverside San Jacinto Peak 3048 Comment
  UCR35264  Penstemon labrosus L. B. Ziegler 1967-7-27 193 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn. 2043 Comment
  RSA180448  Penstemon spectabilis E. W. Lathrop 1965-5-7 5713 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  NY661162  Penstemon spectabilis var. spectabilis G. T. Hastings 1941-4-26 s.n. Riverside Near Sage-south of Hemet Comment
  UC54996  Penstemon spectabilis var. spectabilis H. M. Hall May 17 1901-Jun 1 1901 1893 Riverside Coyote Canyon El Toro Mt. Comment
  RSA0060228  Pentagramma triangularis R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54070 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0060324  Pentagramma triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2902 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  JOTR16829  Pentagramma triangularis subsp. triangularis Supernaugh, William JR. 1967-2-16 56 Riverside Joshua Tree National Park. 1/4 MILES EAST OF RYAN CAMPGROUND 1316 Comment
  UCSB41255  Pentagramma triangularis subsp. triangularis Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  CAS-BOT-BC77491  Peritoma arborea var. angustata Philip A. Munz 1947-4-10 11723 Riverside Shavers Well, northeast of Mecca 243 Comment
  RSA758331  Perityle emoryi Doug Goldman 2005-3-3 3041 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SEINET201068  Perityle emoryi H. E. Parks Riverside Mouth of Santa Rosa Canyon near Indio. Comment
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Mar 20 2014
  UC831555  Perityle emoryi Lewis S. Rose 1938-12-22 38337 Riverside 14 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 609 Comment
  UCR103584  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR280614  Perityle emoryi Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-4 417- 01 Riverside Gavilan Hills, Ridge west of dirt road portion of Lake St., 0.8 miles N of Hwy. 15 at Alberhill. 500 Comment
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  PASA1839  Petalonyx thurberi R. Peirce 1966-5-21 Riverside Windy Point, 2 mi S of White Water P.O. Comment
  JOTR35001  Petalonyx thurberi subsp. thurberi La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3103 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  CAS-BOT-BC326730  Peucephyllum schottii Ivan Johnston 1917-4-4 1082 Riverside Palm Canyon 304 Comment
  CAS-BOT-BC326765  Peucephyllum schottii Philip A. Munz 1932-3-14 12005 Riverside Magnesia Spring Canyon, Coachella Valley 91 Comment
  LA106265  Peucephyllum schottii David S. Verity; Sue Verity 1986-1-2 sn Riverside Hidden Palms, Indio Hills Comment
  RSA450555  Peucephyllum schottii B. A. Prigge 1988-2-21 7848 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  RSA663863  Peucephyllum schottii C. R. Annable 1995-3-15 2286 Riverside 2km S of Lake Cahuilla County Park. Comment
  RSA696807  Peucephyllum schottii J. R. Bruff 1928-4-2 96 Riverside Canyon wash west of Morango Comment
  SBBG8667  Peucephyllum schottii H. and M. Dearing 1941-4-9 4628 Riverside Palms to Pines Hwy Comment
  POM182078  Phacelia ambigua P. A. Munz 1932-3-14 11974 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA427711A  Phacelia ambigua Robert Gustafson 1983-3-27 2489 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA444325  Phacelia ambigua Walter Wisura 1988-3-1 4193 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA263700  Phacelia brachyloba E. W. Lathrop 1968-5-30 6939 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 Comment
  RSA427709A  Phacelia campanularia Ora M. Clark 1929-2-23 1551 Riverside N. Whitewater. Comment
  SBBG65004  Phacelia campanularia E. C. Jaeger 1926-3-1 Riverside Whitewater Bench, Whitewater River Comment
  SD119898  Phacelia campanularia Louis B. Ziegler 1973-5-2 508 Riverside Desert slopes of San Jacinto Mountains near Hwy #74, Ao to 1 mile below Pinyon Flats 1189 Comment
  UC1069364  Phacelia campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle Comment
  RSA776235  Phacelia campanularia subsp. campanularia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 869 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UC217927  Phacelia campanularia subsp. campanularia P. A. Munz, D. Keck 1922-4-14 5003 Riverside mesa e Whitewater Ranch; Colo. Desert 213 Comment
  UCR135854  Phacelia cicutaria var. hispida A. C. Sanders 2004-4-20 27575 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
  GMDRC3555  Phacelia crenulata var. ambigua J. Andre, T. La Doux 2009-2-25 10831 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  UC310588  Phacelia crenulata var. ambigua Philip A. Munz 1926-1-31 9958 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR254600  Phacelia crenulata var. minutiflora Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24386 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  JOTR32186  Phacelia cryptantha Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  CAS-BOT-BC133971  Phacelia distans E. A. McGregor 1917-3-9 2057 Riverside Indio Comment
  JEPS2384  Phacelia distans Carl V. Meyer 1929-6-13 753 Riverside Chalk Hill San Jacinto Mts. (sw slope) 1524 Comment
  OBI36170  Phacelia distans Sears 1978-3-18 915 Riverside 1/4 mi S of Chuckwalla Rd on the Corn Springs rd, 10 mi E of Desert Center. In wash area in foothills of the Chuckwalla mts. T6S, R17E, sec 5, 6 219 Comment
  RSA500213  Phacelia distans Steve Boyd, Tim Ross, L. Arnseth 1989-5-7 3530 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 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
  UC1929820  Phacelia distans Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10495 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR4169  Phacelia distans H. C. Sharma 1976-4-20 760420- 02 Riverside UCR campus, c. 200 yards S-W of metallic tanks above Parking Lot No. 8 427 Comment
  UC666538  Phacelia fremontii Reid Moran 1941-5-4 842 Riverside e Quail Spring; Joshua Tree Nat. Mon. 1300 Comment
  RSA180420  Phacelia imbricata subsp. patula E. W. Lathrop 1965-5-23 5769 Riverside 9 miles W of Murrieta. 610 Comment
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Oct 30 2008
  UC1400321  Phacelia imbricata subsp. patula Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38100 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  SEINET10638467  Phacelia lemmonii Philip A. Munz 1937-5-29 Munz 15101 Riverside damp banks, Shumway, edge of Pinyon Flat, Santa Rosa Mts. 4000 feet. 1220 Comment
  RSA428083  Phacelia minor H. Twining 1888-03 s.n. Riverside Riverside. Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  SEINET3091802 Image available Phacelia minor C. Francis Shutts 1949-3-18 61 Riverside Cottonwood Pass, Joshua Tree Nat'l Mon. Little San Bernardino Mt. Range. Comment
  SEINET7096699  Phacelia minor A. G. Vestal 1962-4-8 s.n. Riverside In bushes ca. 3.5 miles northeast of Lake Elsinore. NAD27, 33? deg. 42' 56ao, -117?_ 18' 09ao (converted to WGS84 decimal degrees) UTM Zone 11 471978mE, 3730462mN. Comment
  UCR16560  Phacelia minor Dorothy Detrich 1966-5-4 23 Riverside San Jacinto Mtns, Old Banning to Idyllwild Rd 732 Comment
  UCR174077  Phacelia minor A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32591 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR250117  Phacelia minor A. C. Sanders 2014-4-23 41051 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  UCR87625  Phacelia minor A. C. Sanders 1994-5-30 14601 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR41743  Phacelia minutiflora A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6068 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  CLARK-A1528-7808  Phacelia mutabilis John C. Roos 1937-8-18 670 Riverside San Jacinto Mountains Comment
  UC107583  Phacelia mutabilis A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  UCR72239  Phacelia neglecta Theo Glenn 1992-4-1 92- 01 Riverside Sonoran (Colorado) Desert, between Eagle Mountain Mine and Eagle Mountain Pumping Station, east of Eagle Mtns. Comment
  UCD89012  Phalaris lemmonii J. C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet). Comment
  RSA792342  Pholisma arenarium Doris Bowers s.n. Riverside Colorado Desert, Algodones Dunes? Comment
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Mar 17 2014
  RSA674927  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SD181475  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  RSA314453  Pholistoma membranaceum Robert F. Thorne, F. R. Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55455 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  CAS-BOT-BC135072  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  UCR245915  Phoradendron californicum Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3953 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR260262  Phoradendron californicum A. C. Sanders, Jim Malusa 2015-3-11 41402 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  CHSC83641  Phoradendron densum John Dittes 2002-1-5 2 -48 Riverside Mojave Desert; ca. 11 air-miles south-southwest of Twentynine Palms, ca. 0.8 mile northwest of Hidden Valley Campground, ca. 1 mile east of Lost Horse Ranger Station, base of ridge west of Loop Road. 1286 Comment
  RSA643678  Phoradendron densum A. C. Sanders 1995-4-13 16482 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. and dirt extension, 1.7 mile above Sierra Blvd. 701 Comment
  SD143689  Phoradendron leucarpum subsp. tomentosum Scott D. White 1996-12-26 4646 Riverside Bautista Canyon; along Bautista Canyon Road, about 2 or 3 air miles NW of junction with Tripp Flats Rd. 1029 Comment
  RSA552719  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6689 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CSUSB307  Phoradendron tomentosum Dick Bernier 1966-5-7 Riverside Found on a Juniper in a small Juniper woodland along 395, 4 miles from Temecula 365 Comment
  UC66695  Phoradendron villosum N. K. Berg 1904-3-4 Riverside San Jacinto <R. C.> Comment
  RSA0020259  Physalis acutifolia J. C. Roos 1951-9-25 5263 Riverside Riverside. 259 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
  UC1329897  Physalis crassifolia James E. Cole 1941-4-13 593 Riverside Summit of Pinto Pass; Joshua Tree National Monument Comment
  UC68755  Physalis crassifolia H. M. Hall Apr 1905 5780 Riverside 8 mi w Coachella; Colorado Desert 30 Comment
  UCR16398  Physalis crassifolia K. T. Ingram 1976-5-1 s.n. Riverside San Bernardino Mtns., Morongo Valley, 0.25 mi. south of intersection of Route 62 and Mission Creek Road. Comment
  RSA667128  Picris echioides A. C. Sanders 2000-11-15 23725 Riverside Moreno Valley, east side of Ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth 476 Comment
  UCR46721  Picris echioides B. G. Pitzer, D. C. Hawks 1986-12-2 0367 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA357172  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA759628  Pinus attenuata Doug Goldman 2005-5-11 3282 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
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Mar 27 2014
  LA6049  Pinus contorta subsp. murrayana Virginia Mars; 1951-5-26 sn Riverside San Jacinto Mountains, Tahquitz Peak 2285 Comment
  SEINET10719550  Pinus coulteri Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 133 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  UCSB16195  Pinus coulteri Lockwood, Leo 1963-5-4 Riverside Roadside, 2 mi. south of Black Mountain Road on Banning-Idyllwild Road, R 1 1219 Comment
  SEINET11610609  Pinus lambertiana D. A. Charlet, Dene Charlet 2010-5-7 3353 Riverside San Bernardino Mountains, San Jacinto Mountain 2609 Comment
  RSA0048411  Pinus lambertiana Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto National Forest, Saddle Junction. 2133 Comment
  UCSB95  Pinus monophylla Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  UCSB46880  Pinus quadrifolia Roos, John 1965-8-18 Riverside Summit of Pines to Palm Hwy., Thomas Valley, San jacinto Mtns. Comment
  UCR265847  Piptatherum miliaceum Mitch Provance 2013-4-8 413- 16 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC170425  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 400 Comment
  SEINET3084169 Image available Plagiobothrys arizonicus Ed LaRue 1991-4-30 91 -75 Riverside Mojave Desert, 3 mi. SW of Ridgecrest; ca. 1.5 mi. N of intersection of Hwy 395 & China Lake Road. 823 Comment
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Dec 25 2013
  UCR260576  Plagiobothrys arizonicus A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41539 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, southwest side of Temescal Canyon Rd. near El Hermano Road junction 313 Comment
  SBBG87985  Plagiobothrys canescens B. Wagner 1988-3-9 Riverside Benton Rd and San Diego aqueduct, 0.5 mi E of Winchester Rd, NE of Murrieta 411 Comment
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Mar 20 2011
  SEINET272294  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mins: Pigeon Pass cyn below Regulus Rd 0.6 mi W of Pigeon Pass Rd. 0.4 mi E of Bench Mark Table. UTM 10km 610 Comment
  UCR172750  Plagiobothrys collinus Abby Sirulnik, Ian G. Gillespie 2000-5-14 42 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR225445  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38850 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR234243  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2012-4-27 40089 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
  JEPS29315  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-26 8411 Riverside lower slopes hills on east side of Walker Canyon (just ne of Alberhill) 381 Comment
  SBBG53748  Plagiobothrys collinus var. fulvescens S. Boyd 1980-4-8 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau, S end of park Comment
  UCR93038  Plagiobothrys collinus var. fulvescens Steve Boyd 1986-4-2 1594 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0042161  Plagiobothrys jonesii Duncan S. Bell, Evan Meyer 2014-4-2 6511 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR241410  Plagiobothrys leptocladus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7442 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  OBI33570  Plagiobothrys nothofulvus A. C. Sanders & T. Glenn, T. Glenn 1983-4-17 3737 Riverside Mesa de Colorado, Santa Ana Mts, 5 mi (airline) SW of Murrieta 610 Comment
  UCR20819  Plagiobothrys undulatus A. C. Sanders 1980-5-17 1464 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 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
  UCR214890  Plantago erecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37686 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR241381  Plantago erecta T. B. Salvato, Mike Landers 2013-3-21 7386 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR260560  Plantago erecta T. B. Salvato 2015-4-2 8105 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  SEINET12271824  Plantago erecta J. F. Bright, Wyman, C. 1933-1 8193 Riverside near Indio Comment
  SDSU14095  Plantago lanceolata Jonathan S. Austin, Michael G. Simpson 2002-4-20 19 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river,growing on slight mound of soil about two feet high. Santa Margarita Ecological Reserve. 229 Comment
  UCR178545  Plantago ovata R. G. Swinney 1967-2-19 0041 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 335 Comment
  UCR217800  Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  SEINET7048025  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33495 Riverside California Route 86, west side of U.S. Navy Salton Sea Test Base road just east of Route 86. About 10.4 miles south of Salton City. Elevation 16 feet. 4 Comment
  POM305634  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 865 Riverside Blyth Indio Road, near Indio Comment
  RSA0117897  Plantago ovata var. fastigiata Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7612 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  RSA402024A  Plantago ovata var. fastigiata A. Menke 1955-3-26 s.n. Riverside No Palms near Desert Center, Hwy 70 Comment
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Feb 19 2013
  RSA4912  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-28 3074 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  RSA770451  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4563 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  SD185279  Plantago patagonica A. C. Sanders, J. C. Dice, et al. 1995-3-29 16240 Riverside San Jacinto Mountains; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village. 334 Comment
  CAS-BOT-BC93215  Platanus racemosa Robert Allen; Fred M. Roberts 2007-6-22 s.n. Riverside Southeast of Hemet, Bautista Canyon, ca. 4 road miles southeast of junction Bautista Canyon Road and Fairview Avenue. 727 Comment
  CAS-BOT-BC93216  Platanus racemosa Tom Paradise 1993-6-5 31 Riverside Santa Ana Mountains. Main Street Canyon. Corona. One mile upstream of Main Street and Upper Drive. Comment
  SBBG99836  Platanus racemosa W. L. Halvorson 1977-4-1 77 -215 Riverside 5 mi S of Temecula on Hwy S16 Comment
  POM305297  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 545 Riverside S of Corona Comment
  UCR220139  Platystemon californicus D. E. Bramlet 1990-4-27 1989 Riverside Peninsular Range; Perris-Aguanga basin region, tributary to Rawson Canyon, 700 ft. west of access road and 1000 ft. SW of Crown Valley 646 Comment
  RSA27805  Pleuraphis rigida C. L. Hitchcock 1940-4-3 5934 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA678444  Pleuraphis rigida Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 -A Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC86377  Pleurocoronis pluriseta S. B. and W. F. Parish Apr 1882 728 Riverside Agua Caliente Comment
  CAS-BOT-BC326539  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  JEPS40438  Pluchea sericea W. L. Jepson 1901-5-19 1273 Riverside San Jacinto River Southern California, San Jacinto River Comment
  RSA784228  Poa J. D. Olmsted 1962-5-2 442 Riverside By saddle just N of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  RSA597934  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Murray Canyon 213 Comment
  RSA125535  Poa fendleriana R. Weatherby 1949-6-6 333 Riverside Santa Rosa Mtn. 2134 Comment
  UCR164301  Poa pratensis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  IRVC26840  Poa pratensis subsp. pratensis S. D. White 1997-5-18 5163 Riverside Vista Grande Area: just W of USFS Vista Grande Fire Station (Hwy 243 ca. 10 road miles SE of Banning). San Jacinto Mtns. 1494 Comment
  POM298883  Poa secunda Frank W. Gould 1944-4-5 2235 Riverside 17 mi. east of Temecula. Comment
  OBI5814  Polemonium pulcherrimum C. B. Wolf 1928-7-28 3042 Riverside Summit wolf creek, Pass Juan Mountains. Mineral Co. 3322 Comment
  POM48845  Polycarpon depressum Charlotte M. Wilder 1905-04 s.n. Riverside Wilder s Canyon, Jurupa Mtns. Comment
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Aug 29 2009
  POM19663  Polygonum bistortoides Mary F. Spencer 1923-8-18 2283 Riverside Round Valley. 2744 Comment
  SDSU21791  Polypogon maritimus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3987 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC821249  Polypogon monspeliensis P. A. Munz 1922-6-23 5774 Riverside San Jacinto Mts. Hemet Valley; , Hemet Valley 1371 Comment
  SEINET10719134  Polystichum Greg Gust, Leith Nye 2005-3-12 Gust 560 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  RSA755744  Populus balsamifera subsp. trichocarpa A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37158 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
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Mar 2 2014
  RSA296182  Populus fremontii Barry A. Prigge 1980-8-5 3820 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  JEPS64528  Populus fremontii subsp. fremontii S. B. Parish 1913-3-1 8470 Riverside Cult. at Railway station Indio Indio (Salton Basin); Salton Basin -6 Comment
  JEPS64552  Populus fremontii subsp. fremontii I. T. Weeks 1930-3-30 Riverside 13 mi e and 5 mi n Shavers Well (Eagle Mts.); , n of Shavers Well Comment
  UCR277755  Potamogeton Mitch Provance 2011-7-29 17037 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UC813982  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake; San Jacinto Mountains 2438 Comment
  RSA388398  Potamogeton foliosus Robert F. Thorne, E. W. Lathrop, Steve Boyd 1985-7-18 61200 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR132714  Potamogeton pectinatus A. C. Sanders, O. F. Clarke 1991-6-10 11129 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR92705  Proboscidea parviflora var. hohokamiana A. C. Sanders, S. Hawkins 1996-4-24 18084 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  POM2528  Prosopis glandulosa var. torreyana Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA342040  Prosopis glandulosa var. torreyana Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54107 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  CLARK-A1656-891  Prosopis pubescens Jim Cornett 1977-7-11 Riverside Thousand Palms Canyon 182 Comment
  SD216522  Prunus fasciculata Jay B. Walker 1995-5-4 1411 Riverside San Bernardino National Forest; 1 kilometer south of Pinyon Flat Campground 1299 Comment
  RSA453238  Prunus fremontii Anstruther Davidson 1893-4-10 1844 Riverside Palm Springs. Comment
  SD73397  Prunus fremontii Nancy Ryan Zabriskie, Walter Zabriskie 1969-4-2 186 Riverside trail toward Eagle Peak. Andreas Canyon near Palm Springs 671 Comment
  UC489040  Prunus virginiana var. demissa C. V. Meyer 1927-6-1 180 Riverside Dark Canyon, San Jacinto Mountains Dark Canyon; San Jacinto Mountains, Dark Canyon 1828 Comment
  RSA697082  Psathyrotes ramosissima W. Marquart 1938-3-12 s.n. Riverside 10 mi. W. of Desert Center. Comment
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Apr 5 2011
  RSA785020  Psathyrotes ramosissima Duncan S. Bell 2012-3-18 3191 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
  UCR117085  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato 2001-5-16 24302 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR96892  Pseudognaphalium biolettii Scott D. White 1993-3-12 1164 Riverside Near Winchester 466 Comment
  SEINET2054399 Image available Pseudognaphalium stramineum Becky Brooks 1973-5-26 Riverside Corona, approximately 100 yds. north of Ontario Rd. and 200 yds west of start of Lake Elsinore Frwy. Just into foothills. 225 Comment
  UC468786  Pseudognaphalium thermale F. M. Reed 1907-11-10 1993 Riverside High Grove Top of Blue Mountain, High Grove 548 Comment
  POM212613  Psilocarphus brevissimus P. A. Munz 1941-5-18 16648 Riverside About 15 miles northeast of Temecula. Comment
  UCR241408  Psilocarphus brevissimus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7444 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  CAS-BOT-BC354282  Psorothamnus Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  UC128527  Psorothamnus arborescens var. simplicifolius Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  UC64368  Psorothamnus arborescens var. simplicifolius H. M. Hall Jun 1901 2008 Riverside Canyon of the San Jacinto River; San Jacinto Mountains, Southern California 670 Comment
  SEINET4560368  Psorothamnus emoryi Aaron C. Sedwick, Cody Leslie 2012-1 121 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~ 3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft 243 Comment
  UC472706  Psorothamnus emoryi M. F. Spencer 1922-3-29 Riverside Mecca Colorado Desert, Painted Canyon, Mecca (Painted Canyon, Colorado Desert) Comment
  RSA91372  Psorothamnus emoryi F. W. Peirson 1924-12-30 5417 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SD37834  Psorothamnus schottii Edith A. Purer 1935-4-21 6462 Riverside Desert floor, near Palm Springs, Colorado Desert Comment
  SDSU5216  Psorothamnus schottii D. F. Howe 1952-4-27 2190 Riverside 5 miles south of highway east of Mecca, along All-American Canal. Comment
  UCR135718  Psorothamnus schottii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9007 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR89647  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  UCR130050  Psorothamnus spinosus George K. Helmkamp, E. A. Helmkamp 1998-6-27 4106 Riverside Coachella Valley., Along Calif. Hwy 74 at the south end of Palm Desert 290 Comment
  UC218675  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside Tamarack Valley; San Jacinto Mts 2804 Comment
  SD261010  Pterostegia drymarioides Mitch Provance 2012-5-24 512 9 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intesection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  UCR126371  Pterostegia drymarioides A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 679 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR136271  Pterostegia drymarioides A. C. Sanders 2004-4-20 27551 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
  JOTR32194  Purshia tridentata var. glandulosa Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  VVC2902  Purshia tridentata var. glandulosa Tim Thomas, P. J. MacKay 2010-4-12 5033 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 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
  UCR108323  Quercus agrifolia L. C. Wheeler 1960-8-6 7779 Riverside Peninsular Range, Temescal Canyon, c. 1 mi. east of Glen Ivy, Wright Ranch. Comment
  UCR278560  Quercus agrifolia Mitch Provance 2012-7-28 712- 10 Riverside San Gorgonio Pass, Banning, Montgomery Creek and adjacent plateaus, south of Westward Ave., and west of Banning High School 695 Comment
  RSA256678  Quercus berberidifolia T. L. Ackerman 1975-6-26 520 Riverside Hwy 74 between San Juan Capistrano and Lake Elsinore, Cleveland National Forest. Comment
  UCR23009  Quercus berberidifolia Saul Frommer 1981-3-26 s.n. Riverside Agua Tibia Mtns, Dripping Springs on the north side of the Agua Tibia Mtns. 10.7 mi east of I-15. 488 Comment
  UCR250003  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  JEPS98071  Quercus cornelius-mulleri D. Wilken with E. Painter 2000-11-4 15867 Riverside ca. 4 mi E of Anza (N of Burnt Valley, SE base of Thomas Mountain); San Jacinto Mountains 1400 Comment
  RSA502497  Quercus cornelius-mulleri Steve Boyd 1989-6-11 3739 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  UCD45794  Quercus dumosa Steve Boyd 1987-11-23 2097 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  RSA650045  Quercus kelloggii R. L. Wilander 1969-5-24 s.n. Riverside Hwy. 74 - Lake Filmore [Fulmore]. Comment
  UCD83689  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mountains, near the Kenworthy Ranger Station. 1417 Comment
  RSA651697  Quercus wislizeni var. frutescens Diane M. Ramirez 1983-5-1 34 Riverside Poppet Flat Divide Truck Trial, 1 mi S of junction with CA Hwy 243, S of Banning. Comment
  UCR169496  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 09- 68 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  RSA314643  Rafinesquia californica R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55452 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD152922  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail downstram to the confluence with San Mateo Creek. 334 Comment
  POM293698  Rafinesquia neomexicana Lyman Benson, Robert Benson 1952-4-8 14854 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area 610 Comment
  RSA550012  Rafinesquia neomexicana Walter Wisura, John Dolan, C. Demme 1992-4-13 4685 Riverside Wileys Well road, 2.7 miles s of prison Comment
  RSA770436  Rafinesquia neomexicana Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4568 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET6044436  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 A Riverside Cottonwood Springs. Comment
  POM13856  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 miles NW of Corona 213 Comment
  SBBG128811  Ranunculus muricatus O. F. Clarke 2010-4-16 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  UCR207255  Ranunculus muricatus O. F. Clarke 2002-5-25 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0036812  Raphanus sativus Robert MacGregor 1984-5-19 5 Riverside Lake Elsinore, CA Hwy 74, 1 mi W of junction with 15E Freeway, N side of road. Comment
  UCR202030  Raphanus sativus Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR102732  Rhamnus crocea B. G. Pitzer 1998-1-25 3422 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  RSA505039  Rhamnus ilicifolia Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  SDSU13625  Rhamnus ilicifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  UC18585  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UC218097  Rhododendron occidentale P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains, North Fork Tahquitz Creek North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2225 Comment
  CAS-BOT-BC200028  Rhododendron occidentale var. californicum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  POM48363  Rhododendron occidentale var. californicum P. A. Munz, I. M. Johnston 1924-7-27 8787 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  JOTR32001  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UCR34998  Rhus aromatica L. B. Ziegler 1974-4-2 521 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  CLARK-A1528-1412  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mountains 774 Comment
  SD140166  Rhus trilobata Scott White 1993-3-15 1193 Riverside Elsinore, Highway 74, just west of northwest corner of Lake Elsinore Comment
  SD70930  Rhus trilobata var. pilosissima Helen V. Witham 1969-7-2 185 Riverside De Luz Creek crossing, 4 miles north of De Luz 249 Comment
  CLARK-A1528-6882  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  RSA439668  Ribes indecorum J. D. Olmsted 1962-5-10 3637 Riverside Sky Ranch, S Divide TT, near SE end of Elsinore, Santa Ana Mtns. 945 Comment
  OBI5780  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts, Hidden cyn, 5 mi W of Corona, Base of Skyline Dr Comment
  RSA162686  Ribes nevadense J. D. Olmsted 1959-6-23 678 Riverside Along Strawberry Creek in Fern Valley NW of Idyllwild, San Jacinto Mts. 1646 Comment
  SEINET238553 Image available Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA60417  Ribes roezlii Frank W. Gould 1943-4-18 2137 Riverside 12 miles E [NW] of Idyllwild Comment
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Sep 29 2011
  UCR251302  Ricinus communis T. B. Salvato, Matthew Malle 2014-4-8 7827 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  CHSC95394  Rigiopappus leptocladus C. Spurrier; Way, M. J. 2001-6-13 2 Riverside Riverside County. Big Morongo Canyon Preserve. Wash, 1.3 km north of Indian Avenue, just east of Highway 62. 525 Comment
  CAS-BOT-BC300507  Rondeletia amoena O. F. Clarke 2003-5-1 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CSUSB505  Rorippa nasturtium-aquaticum Pam Maynard 1974-5-17 S. N. Riverside Box Springs Mts Found growing in shallow spring in crevice at east end of Big Spring Road 670 Comment
  UCSC000944  Rubus parviflorus Unknown 1975-5-30 52 Riverside San Jacinto Mts., Hall Canyon Comment
  UCR132822  Ruellia A. C. Sanders 1997-10-13 21587 Riverside Riverside, UCR Botanical Garden 366 Comment
  UCSB14952  Rumex californicus Breedlove, Dennis 1961-8-5 Riverside along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
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Nov 24 2014
  RSA466098  Rumex hymenosepalus N. C. Cooper 1944-4-22 1121 Riverside Banning. 701 Comment
  UC489273  Rumex salicifolius var. denticulatus C. V. Meyer 1928-7-30 586 Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  UCR110927  Rumex salicifolius var. salicifolius A. C. Sanders, K. C. Rose 1999-6-18 22828 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  CLARK-A1528-595  Salazaria mexicana Charlotte Stocks 1962-6-15 Riverside San Jacinto Mountains 1066 Comment
  RSA747834  Salazaria mexicana Scott D. White, Justin M. Wood 2009-4-29 12622 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CHSC1621  Salix gooddingii S. Westerberg 1938-4-17 Riverside Lake Elsinore Comment
  SBBG119116  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St 402 Comment
  UCR114319  Salix gooddingii Mitch Provance 1998-3-21 268 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  SEINET10539065  Salix gooddingii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3742 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  RSA0010974  Salix laevigata H. de Forest 1933-4-16 17607 Riverside Chino Canyon. Colorado Desert Comment
  POM319098  Salix lasiolepis Patricia Wilder 1971-2-4 4917 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  POM319101  Salix lasiolepis Patricia Wilder 1971-3-20 4910 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  UCR182374  Salix lasiolepis Andrea Salzman, Ricky Escobar, et al 2006-4-10 48 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  RSA0112082  Salsola tragus Duncan S. Bell 2010-10-23 1982 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  UCR37127  Salvia X bernardina K. R. Neisess 1983-6-16 505 Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  CLARK-A1528-582  Salvia apiana Markell Kohn 1959-4-12 Riverside Riverside Comment
  IRVC2065  Salvia apiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  JOTR35514  Salvia apiana La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3201 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  UCR262279  Salvia apiana A. C. Sanders 2006-5-13 32280 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SD241861  Salvia carduacea Jay Walker, R. C. Walker 2004-4-15 jbw 3092 Riverside S of Hemet, 1.4 mile S of Gibbel Road about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mile SSE of Hemet Butte, S of mouth of Avery Canyon. Comment
  IRVC2085  Salvia columbariae C. Duncan 1965-4-24 none Riverside Ortega Hwy., Elsinore side. Santa Ana Mountains Comment
  RSA543758  Salvia columbariae Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6058 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR120185  Salvia columbariae Mitch Provance 1998-3-7 170 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.1 km west of peak 1602, c. 0.75 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside. 442 Comment
  UCSB47321  Salvia columbariae Hibbard, Doug 1977-5-14 Riverside Off both sides of Hwy 74; 3.3 miles from its intersection with Hwy 111; Palm Desert area 280 Comment
  UCSB5777  Salvia columbariae Stoppel, Gordon 1958-3-22 Riverside Off side road; at campsite near Indio highway; several miles from Indio Comment
  UCR251323  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 2 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 0.5 mi. east (88 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 283 Comment
  SD241881  Salvia mellifera Jay Walker, R. C. Walker 2004-4-14 3086 Riverside 1.6 m W of Radec (jct 79 and R3), along Cutca Valley Road, 0.3 miles from jct with hwy 79. Comment
  RSA5425  Salvia mohavensis B. D. Stark 1932-6-15 3743 Riverside Lost Palms Canyon, Eagle Mountains, Colorado Desert 259 Comment
  SD52967  Salvia mohavensis jPeter H. Raven, David Verity 1960-6-5 15497 Riverside Salton View, Joshua Tree National Monument. Comment
  UCLA69866  Salvia pachyphylla J. Ewan 1930-8-31 2149 Riverside trail out of Tahquitz Valley; San Jacinto Mountains 2651 Comment
  UC73592  Salvia vaseyi H. E. Wilder 1906-1 Riverside e of San Gorgonio (along Mission Creek); Colorado Desert, Mission Creek Comment
  RSA132549  Sambucus mexicana Donald A. Johansen 1933-7-14 714 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  JOTR16653  Sambucus nigra subsp. caerulea Leary, Pat 1975-5-25 1232 Riverside Joshua Tree National Park. 1/2 MILE SOUTHWEST OF HIDDEN VALLEY Comment
  SBBG104109  Sanicula arguta M. A. Patten 1992-3-13 92 -2 Riverside ca. 2 mi W of Santa Rosa Plateau, just N of San Diego County line, between Calle Calado and Tenaja Rd. .25 mi N of Villa Abril Comment
  UC1552639  Sanicula arguta B. Pitzer and E. Misquez 1988-2-28 628 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro 426 Comment
  SEINET10636258  Sanicula crassicaulis Greg Gust, Leith Nye 2005-3-12 Gust 558 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  CLARK-A1528-289  Santolina chamaecyparissus Oscar F. Clarke 1973-5-29 OO 112 Riverside Riverside 274 Comment
  HSC86140  Sarcodes sanguinea B. Freeman 1969-6-12 6906121 Riverside San Jacinto Mtns. University of California James Reserve. Near stream S of lodge Comment
  UCR17719  Sarcostemma cynanchoides Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR59925  Satureja chandleri Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, SW of town of Murrieta: Miller Canyon 457 Comment
  UCR97678  Saxifraga californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19906 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA325512  Schismus arabicus R. F. Thorne, Drs Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55422 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA651602  Schismus barbatus Marion P. Harthill 1973-2-17 1559 Riverside Snow Creek, Palm Springs 366 Comment
  UCR69790  Schoenoplectus californicus A. C. Sanders, Chet McGaugh 1991-7-19 11149 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  CAS-BOT-BC111020  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. Confluence. 365 Comment
  UCR172808  Scrophularia californica Abby Sirulnik 2000-5-7 31 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  RSA674596  Scutellaria bolanderi subsp. austromontana Scott D. White 2000-8-5 8104 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR193357  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35626 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR147743  Scutellaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11258 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
  UCR169870  Sedum spathulifolium Dave Goodward 2004-1 s.n. Riverside San Jacinto Mtns., mouth of narrow side canyon off South Fork San Jacinto River 1159 Comment
  RSA495801  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2910 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  SEINET4065921  Selaginella bigelovii S. B. Parish 1907-1 6110 Riverside Collected from the western border of the Colorado desert. 200 Comment
  UCR101427  Selaginella bigelovii A. C. Sanders 1997-3-19 20026 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  UCR98062  Selaginella bigelovii A. C. Sanders 1997-3-1 19731 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  SEINET10938317  Selaginella eremophila Lewis S. Rose 1945-12-29 Rose 45342 Riverside Andreas Canyon, near Palm Springs. Comment
  POM12888A  Selaginella watsonii Philip A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak. 3287 Comment
  PASA1360  Senecio douglasii M. Stason 1931-5-24 Riverside sandy roadside near base of grade to idyllwild Comment
  CLARK-A1528-290  Senecio douglasii subsp. douglasii C. M. Flanagan 1973-6-13 OO 705 Riverside Morongo Indian Reservation 975 Comment
  CAS-BOT-BC323964  Senecio flaccidus var. douglasii F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CLARK-A1045-229  Senecio mohavensis George K. Helmkamp 1979-3-11 Riverside Painted Canyon north of Mecca; Mecca 7.5'Q Comment
  UCR279503  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-27 43106 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR122570  Sesbania herbacea George K. Helmkamp, E. A. Helmkamp 2000-8-29 5984 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  RSA387357  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
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Jan 6 2008
  UC472847  Sesuvium verrucosum M. F. Spencer 1922-3-25 51 Riverside Mecca, Colorado Desert Mecca; , Colorado Desert Comment
  UCD97029  Sesuvium verrucosum A. C. Sanders; D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  RSA0112042  Setaria adhaerens A. C. Sanders, Jose Aguiar 2012-12-19 40533 Riverside Sonoran (Colorado) Desert: Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal. -8 Comment
  HSC82844  Setaria verticillata A. C. Sanders 1985-8-24 5948 Riverside Lower Coachella valley near Oasis on the dirt extension of Ave. 76, 0.4 mi E of Hwy 195, along the S side of a large drain flowing toward the Salton Sea -55 Comment
  CAS-BOT-BC240202  Setaria viridis Lewis S. Rose 1957-1-9 57024 Riverside La Quinta 15 Comment
  SD181453  Sidalcea malviflora Scott D. White, Sandy Leatherman 2000-4-19 7662 Riverside Santa Ana Mountains/Santa Rosa Plateau, near Squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. 640 Comment
  SEINET7073334  Sidalcea malviflora subsp. californica 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
  RSA728147  Sidalcea malviflora subsp. sparsifolia Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 109 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UCSB42253  Sidalcea neomexicana Roos, John 1966-5-19 Riverside 3 miles west of San Jacinto, San Jacinto Valley Comment
  SD116584  Sidotheca trilobata Barbara Ertter, Jeffrey Strachan 1980-5-21 3479 Riverside Santa Rosa Mountain road (Forest Road 7S02) 2.9 miles south of Highway 74 (Pines to Palms Highway) 1676 Comment
  UC55873  Silene antirrhina H. M. Hall May 17 1901-Jun 1 1901 1820 Riverside Palm Canyon 457 Comment
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Jun 21 2008
  CSUSB709  Silene gallica Annette Price 1962-5-8 089 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  RSA477885  Silene gallica Christopher Davidson 1977-5-25 5642 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  RSA585726  Silene gallica D. L. Banks, Steve Boyd 1995-5-9 0395 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain are