Search Results — 2000 specimen records retrieved (1885 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR64827  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 08 Riverside Santa Rosa Mtns., Stump Spring Campground 2348 Comment
  CAS-BOT-BC229354  Abronia villosa L. A. Greata 1905-4-1 390 Riverside Coachella Comment
  CAS-BOT-BC229363  Abronia villosa R. H. Peebles; H. F. Loomis 1930-4-1 200 Riverside Mecca Comment
  CSUSB1078  Abronia villosa Barry A. Vittor 1966-3-4 Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  POM14999  Abronia villosa Mary F. Spencer 1922-3-23 1330 Riverside Mecca, Colorado Desert -49 Comment
  POM305641  Abronia villosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 858 Riverside Desert center, Mojave Desert Comment
Read comments
Dec 16 2011
  UCR86874  Abronia villosa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16251 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
  UCR59503  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  RSA0031614  Abronia villosa var. villosa Jim Andre 2013-3-27 24791 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  RSA335000  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside 22851 DeProd Street: Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  CLARK-A1528-1529  Acamptopappus shockleyi John C. Roos 1937-4-18 2483 Riverside San Jacinto Mountains Comment
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Oct 2 2018
  RSA151103  Acamptopappus sphaerocephalus var. sphaerocephalus P. H. Raven 1962-4-7 17112 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  POM365986  Achnatherum hymenoides George B. Grant 1906-4-20 861 Riverside Palm Springs. Comment
  SBBG56982  Achnatherum hymenoides M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  JOTR00963  Achnatherum hymenoides Cole, James E. 1941-1 982 Riverside Joshua Tree National Park. PINE CITY ROAD Comment
  SEINET258477  Achnatherum occidentale subsp. pubescens M. Curto, L Allen 1990-6-25 686 Riverside Sante Rosa Mts Toro Peak N slope Santa Rosa Mt Rd ca 2.5 km E of Toro Campground 2435 Comment
  UC573955  Achnatherum speciosum H. S. Yates 1937-3-24 6463 Riverside near head of Deep Canyon; Thermal Quadrangle Comment
  JOTR34301  Achyronychia cooperi Andre, Jim 2012-4-11 20713 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA747796  Achyronychia cooperi Justin M. Wood 2009-3-26 394 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR281573  Acmispon heermannii Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 84 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  UC1951115  Acmispon nevadensis Scott D. White, Justin Wood 2009-5-21 12858 Riverside SAN JACINTO MOUNTAINS: Garner Valley, near abandoned duck ponds, S of Quinn Flat. USGS Idyllwild 7.5' Quad. Comment
  RSA718296  Adenophyllum porophylloides Michael Honer, L. Hulse 2004-4-2 1877 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  SD90105  Adenophyllum porophylloides Nancy Ryan Zabriskie, Walter Zabriskie 1972-12-30 554 Riverside Callaway Canyon, east slope San Jacinto Mountains. Comment
  SEINET1910302  Adenostoma sparsifolium A. C. Sanders, R. E. Riefner 2005-1 31547 Riverside San Jacinto Mtns.: Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation (Butterfly Peak 7.5' Q. 1402 Comment
  UCSB39101  Adenostoma sparsifolium Jorgensen, Jan 1982-1-19 Riverside 6 kilometers up Santa Rosa Mountain Road from highway 74, near Palm Desert, San Jacinto Mountains. 548 Comment
  CAS-BOT-BC69647  Adiantum capillus-veneris Elmer I. Applegate 1892-4-23 829 Riverside E. Riverside. Comment
  UCR87652  Agrostis exarata Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  CAS-BOT-BC139356  Agrostis idahoensis H. M. Hall 1901-7-1 2363 Riverside San Jacinto Mountains. Tahquitz Valley. 2438 Comment
  UCR208853  Allionia incarnata Scott D. White 2001-4-17 8331 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  CAS-BOT-BC131984  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  SD262150  Allium haematochiton Mitch Provance, Jeremiah George, Matt K, Bewyers, John Hazlett 2017-4-10 417 85 Riverside Elisonore Trough: S end of Baker St., east side of inersecton with Bunker St. (Lake Elsinore 7.5'Q) 387 Comment
  CLARK-A1528-1513  Allium praecox John C. Roos 1952-4-2 5468 Riverside Box Springs 426 Comment
  UCR133100  Allium roseum A. C. Sanders 1999-4-28 22709 B Riverside Riverside, UCR Botanic garden 351 Comment
  UCR154625  Allophyllum A. C. Sanders, Mike Misenhelter 2005-6-15 30992 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
  UCR133437  Allophyllum divaricatum Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 465 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UC284207  Allophyllum glutinosum P. A. Munz 1923-6-14 7115 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1158 Comment
Read comments
Apr 1 2013
  RSA484740  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  SD229108  Alnus rhombifolia Dick Schwenkmeyer 2012-6-27 735 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA198991  Alopecurus saccatus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  RSA385638  Alopecurus saccatus Christopher Davidson 1977-5-25 5648 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  IRVC28975  Amaranthus B. L. Phillips 1994-9-12 s.n. Riverside Riverside, UCR campus 336 Comment
  UCR20310  Amaranthus blitoides John C. Roos 1965-7-27 s.n. Riverside Hemet Comment
  SD178083  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Hope Depot at Pigeon Pass Road on north side of Highway 60. 502 Comment
  UCR272652  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley north of Hwy I-10 107 Comment
  SEINET9120721  Amaranthus fimbriatus E. R. Blakley 1961-1 4715 Riverside Pinyon Flat, Palms to Pines Highway (Calif. 74). 1219 Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  UCR40472  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  UCR215452  Amaranthus torreyi Jim Andre, T. La Doux 2008-9-16 10686 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  RSA781884  Ambrosia acanthicarpa Duncan S. Bell 2011-10-22 3002 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
  UCR239599  Ambrosia acanthicarpa O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  CAS-BOT-BC22579  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-30 3340 Riverside On highway 60, near Desrt Center Comment
  IRVC731  Ambrosia dumosa A. S. Boughey 1965-3-15 105 Riverside Above Palm Springs. northern Sonoran Desert 457 Comment
  SEINET8071625 Image available Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside Colorado Desert: Chocolate-Chuckwalla Mts.: E of Little Chuckwalla Mts. From Blythe take I-10 W for 17.8 mi, take the Wiley's Well Rd. exit. Turn left (S) on Wiley's Well Rd travel 1.3 mi on paved and then 4.5 mi on unpaved road. 177 Comment
  UC406767  Ambrosia dumosa Marcus E. Jones, A. M. 1929-9-16 25074 Riverside e of Desert Center Comment
  UCR52229  Ambrosia dumosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  POM41983  Ambrosia ilicifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SD142811  Ambrosia pumila Craig Reiser 1996-9-13 Riverside North of Lake Elsinore, Nichols Road offramp at Interstate 15, 200 to 300 feet beyond end of paved road. Northwestern-most known population Comment
  JOTR32964  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC217996 Image available Amelanchier utahensis P. A. Munz and I. M. Johnston 1922-5-20 5488 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
Read comments
Mar 25 2011
  UCR6454  Amelanchier utahensis Art Whistler 1966-5-8 660508- 15 Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  LA204913  Amorpha californica var. californica W. E. Pequegnat; 1937-9-3 sn Riverside Santa Ana Mountains, Bedford Rd 1402 Comment
  RSA787990  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 s.n. Riverside Cleveland National Forest. Roadside. Comment
  RSA91359  Amorpha fruticosa F. W. Peirson 1919-4-12 702 Riverside Palm Canyon, near Palm springs. Comment
  HSC84226  Amsinckia intermedia Karin Cleary 1987-4-8 11 Riverside Banning; 1.5 km N of the intersection of I-10 and Sunset Ave. E side of Sunset 835 Comment
  POM12214  Amsinckia intermedia Mary F. Spencer 1921-5-30 s.n. Riverside Canyon near San Jacinto. 549 Comment
  POM287416  Amsinckia intermedia Lyman Benson 1932-3-26 3163 Riverside 3 miles N [of] Temecula. 457 Comment
  UC174983  Amsinckia intermedia C. F. Baker 1903-4-4 4094 Riverside Elsinore; Pacific Coast Comment
  UCD119702  Amsinckia intermedia R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon. Comment
  UCR172615  Amsinckia intermedia A. C. Sanders, John F. Green 2006-5-18 32371 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR120905  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24945 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR241771  Amsinckia retrorsa A. C. Sanders 2013-4-9 40780 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., west of Trumble Rd., SE of Perris 436 Comment
  UCR226060  Amsinckia tessellata A. C. Sanders, Nathan Moorhatch 2011-3-22 38763 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR213397  Amsinckia tessellata var. tessellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37464 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
  RSA248727  Amsonia brevifolia var. tomentosa Christopher Davidson 1973-4-19 1979 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA586309  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-3 220 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
  SDSU14315  Anagallis arvensis Joel Tracey 2002-4-20 11 Riverside Santa Margarita Ecological Reserve, 0.3 mileseast from parking area intersecting Santa Margarita River and Northside Field Station road, on north side of river. Large pool abuting low angle slab. 255 Comment
  RSA198934  Anagallis minima Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37453 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA585736  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0399 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  CLARK-A1528-4456  Andropogon glomeratus John C. Roos 1938-12-29 322 Riverside Palm Canyon Comment
  UC729851  Anemopsis californica Carl B. Wolf 1929-5-31 3738 Riverside 1 mi nw of Santa Ana River (6 mi from Corona on Chino Road) Comment
  RSA278295  Angelica tomentosa John F. Emmel 1976-6-23 550 Riverside Bay Tree Flat Campground, NW of Lake Fulmor, San Jacinto Mountains. 1601 Comment
  RSA77438  Angelica tomentosa F. W. Peirson 1924-7-29 5024 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  RSA77439  Angelica tomentosa F. W. Peirson 1924-7-29 5024 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  JEPS5300  Antirrhinum coulterianum Carl V. Meyer 1929-6-13 755 Riverside Chalk Hill; San Jacinto Mts. 1524 Comment
  SD143717  Antirrhinum coulterianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  RSA666723  Antirrhinum kelloggii A. C. Sanders, Steven R. Hill 2001-5-4 24131 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro ( to Sandia Crk. Dr.), E side of Rancho C. Rd. 488 Comment
  UCR133647  Antirrhinum nuttallianum Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UC20819  Apiastrum angustifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SEINET3080987 Image available Apium graveolens Michael DeJong 1971-5-2 Riverside Found between West end of lake in Fairmont Park and the Santa Ana River bottom Comment
  PASA2387  Aquilegia truncata Sally Ellis 1939-6-21 Riverside Halona, Idyllwild Comment
  RSA683091  Arceuthobium campylopodum Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SEINET10320300  Arceuthobium campylopodum E. G. Anderson 1935-8-21 6574 Riverside Idyllwild-Banning. 1650 Comment
  RSA629166  Arctostaphylos Jon E. Keeley 1992-7-17 16806 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629171  Arctostaphylos Jon E. Keeley 1992-7-17 16795 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629425  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16844 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629448  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-17 16775 Riverside Road to Thomas Mountain (%S15), 4 km N of Toolbox Springs 1930 Comment
  RSA629450  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16572 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA125340  Arctostaphylos glandulosa var. adamsii P. H. Raven 1958-5-17 12958 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
Read comments
Mar 3 2013
  RSA631719  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19262 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631806  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21811 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631833  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16594 Riverside Standley Road, south of Red Mountain Road, 4.3 km east of R3. 800 Comment
  RSA633611  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-11-11 22510 Riverside Steep southeast facing slopes of Andreas Canyon, south of Caramba Overlook, San Jacinto Mountains. 2050 Comment
  RSA633711  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16665 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  CLARK-A1528-449  Arctostaphylos pringlei subsp. drupacea Kim Mortensen 1969-5-10 24 Riverside San Jacinto Mountains Comment
  RSA1789  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
Read comments
Mar 24 2011
  RSA489840  Arctostaphylos pringlei subsp. drupacea D. Charlton 1988-5-28 2138 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  RSA635688  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16606 Riverside Hwy 371 & Burnt Valley Rd, San Jacinto Mtns. Comment
  RSA635776  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16736 Riverside Morris Ranch Rd. (6S06), 4.2 km east of Hwy 74, Garner Valley, San Jacinto Mtns. 1650 Comment
  RSA635788  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16525 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA636029  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15060 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  RSA636170  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19483 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
  CAS-BOT-BC137660  Aristida adscensionis G. Helmkamp; E. Helmkamp 1998-1-17 2536 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well. 243 Comment
  UCSB298  Aristida adscensionis Graney, Don 1953-3-21 Riverside 13 mi E of Indio; Colorado Desert Comment
  UCD56348  Aristida californica John Thomas Howell 1928-3-11 3443 Riverside Colorado Desert, 6 miles SE of Garnet Station. 152 Comment
  UCR23881  Aristida purpurea var. nealleyi John C. Roos 1946-9-14 3029 Riverside Peninsular Range; Santa Rosa Mtns., along the roadside c. 1 mile east of Pinyon Flats camp 1189 Comment
  UCD56517  Aristida purpurea var. parishii F. M. Reed 1927-3-19 5440 Riverside Riverside and vicinity upper fork of Salt Creek Wash. Comment
  JOTR32644  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
  RSA650458  Artemisia californica C. J. Humphrey, Herbery Humphrey 1936-6-7 395 Riverside In foothills 18 miles East of Riverside. 548 Comment
Read comments
Dec 15 2011
  SD90106  Artemisia californica Nancy Ryan Zabriskie, Walter Zabriskie 1972-12-25 548 Riverside San Jacinto Mountain, east slope on trail to ridge above Eagle Peak, Andreas Canyon watershed Comment
  JOTR36399  Artemisia dracunculus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3349 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  RSA784528  Artemisia dracunculus J. D. Olmsted 1959-8-19 827 Riverside San Jacinto River drainage area: Around tennis courts at Desert Sun School. Saunder's Meadows near Idyllwild. 1707 Comment
  JEPS37034  Artemisia ludoviciana subsp. ludoviciana Carl V. Meyer 1928-7-30 573 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow (dry edge of meadow on n slope) 1676 Comment
  POM17577  Artemisia ludoviciana subsp. ludoviciana Dr H. Baer 1923-9-30 s.n. Riverside San Jacinto Valley. Comment
  RSA417414  Artemisia tridentata Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains, desert side Comment
  RSA401650B  Asclepias californica Gale Sphon 1959-5-2 326 Riverside Horsetheif Canyon, Elsinore Mountains. Comment
  RSA6040  Asclepias eriocarpa C. B. Wolf 1932-8-4 3924 Riverside Strawberry Valley, 1.5 miles from Idyllwild on road to Banning 1707 Comment
  RSA674619  Asclepias eriocarpa Scott D. White, Sandy Leatherman 2000-5-31 7978 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  SBBG5710  Asclepias erosa H. and M. Dearing 1938-3-5 1971 Riverside between Blythe and Desert Center Comment
  SEINET3081706 Image available Asclepias subulata E. R. Blakley 1961-9-10 4708 Riverside Cactus City on US Highway 60-70 east of Indio 504 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
  RSA690948  Aster ascendens Scott D. White 2003-10-9 9820 -B Riverside Pine Cove area. Dutch Flat. 1753 Comment
  RSA781528  Astragalus aridus Duncan S. Bell 2010-5-1 873 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR146120  Astragalus bicristatus Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1460 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, along 7S02 Road above Virgin Spring 2379 Comment
  CAS-BOT-BC177722  Astragalus crotalariae Annie M. Alexander; Louise Kellogg 1941-3-2 1881 Riverside Roadside 5 miles south of Valerie Comment
  POM122701  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  RSA415452  Astragalus crotalariae Miss Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. [county not specified] Comment
Read comments
Sep 7 2016
  RSA600858  Astragalus didymocarpus K. Watkins, E. McClintock 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  RSA90153  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  UCR145190  Astragalus douglasii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UC1547005  Astragalus insularis var. harwoodii Leila M. Shultz, John S. Shultz 1985-4-15 8391 Riverside at Wiley's Well Road between McCoy and Mule Mountains (Chuckawalla Valley depression); , bet McCoy and Mule Mountains 121 Comment
  OBI54333  Astragalus lentiginosus var. borreganus Theodore Minthorne none s.n. Riverside Between Banning and Palm Springs Comment
  NY5502  Astragalus lentiginosus var. coachellae A. Eastwood 1913-4-30 3116 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR208172  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 s.n. Riverside Whitewater, around [train] station 345 Comment
  CAS-BOT-BC187488  Astragalus leucolobus P. A. Munz 1922-6-28 5872 Riverside Ridge west of Toro Peak, Santa Rosa Mts. 2529 Comment
  RSA0126279  Astragalus nuttallianus var. cedrosensis Duncan S. Bell 2016-3-4 8809 Riverside Orocopia Mountains; northwestern section of the range, small canyon approximately 4 air miles north northwest of the summit of the Orocopia Mountains. 627 Comment
  OBI35667  Astragalus pachypus var. jaegeri Louis B. Ziegler 1968-3-27 268 Riverside Base of San Jacinto Mts. On Poppet Flats Rd Comment
  CAS-BOT-BC192757  Astragalus palmeri S. B. Parish 1914-3-30 9096 Riverside San Felipe, Colado Desert Comment
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Aug 6 2019
  SBBG68402  Astragalus palmeri M. N. Ackley 1928-4-3 573 Riverside Devil's Cyn, Coral Reef Ranch 91 Comment
  SEINET2060250 Image available Astragalus palmeri Dearing Herbarium 1936-12-26 837 Riverside Pines to Palms Hwy Comment
  UCR30627  Astragalus palmeri John C. Roos 1947-3-15 3347 Riverside Sonoran (Colorado) Desert, mouth of Deep Canyon Comment
  CAS-BOT-BC194127  Astragalus pomonensis Ira W. Clokey; C. B. Clokey; B. C. Templeton 1935-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
  CAS-BOT-BC194175  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  CSUSB1293  Astragalus pomonensis Markell Kohn 1959-4-1 Riverside 2 miles south of UCR (University of California, Riverside) in wash. 150 yards east of Canyon Crest Drive (dirt road). 20 yards north of plinking (target practice) area. Comment
  RSA608371  Astragalus pomonensis L. C. Wheeler 1930-4-16 s.n Riverside San Jacinto. Comment
  POM123201  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  CAS-BOT-BC193173  Astragalus sabulonum Ira L. Wiggins 1938-3-19 8901 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  UCR18968  Astragalus tricarinatus John C. Roos 1967-3-25 s.n. Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., Whitewater Canyon 457 Comment
  UCR50292  Astragalus tricarinatus B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0575 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  UCSB3025  Astragalus tricarinatus Walker, Clifford 1954-4-10 Riverside East slope of Arroyo near head of White Water Canyon Comment
  UCR117426  Athysanus pusillus Arlee Montalvo 2001-3-21 s.n. Riverside San Bernardino Valley, Riverside, 'Coyote Hill' between Watkins Dr. and Hwy 60/215 438 Comment
  UCR60776  Athysanus pusillus Steve Boyd 1986-3-1 1373 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  CDA10364  Atrichoseris platyphylla M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UCR86854  Atrichoseris platyphylla A. C. Sanders, K. Rose 1995-4-27 16734 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
  RSA95184  Atrichoseris platyphylla F. W. Peirson 1926-1-31 6482 Riverside Dos Palmas Spring, NE of Mecca Comment
  RSA452378  Atriplex canescens Ora M. Clark 1929-3-17 1744 Riverside N. La Quinta, Colorado Desert. Comment
  UC850760  Atriplex canescens Carl B. Wolf 1932-10-13 4302 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  UC850849  Atriplex canescens Carl B. Wolf 1932-10-13 4323 Riverside ne side Salton Sea (at Durmid, ne side S. P. R. R. tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  CAS-BOT-BC170204  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 379 Riverside 2 mi. SE Salton Bench Mark 76 Comment
  UC850848  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4324 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  JEPS90679  Atriplex coronata var. notatior D. Bramlet 1991-6-1 2182 Riverside 1.4 km w of Nuevo (and some 10 m s of the end of 12th Street, some 17m e of San Jacinto River); San Jacinto crownscale 473 Comment
  UCR103475  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2439 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit, 1.22 km east of Davis Road and 183m south of the existing access road, 518 m north of San Jacinto River Channel 435 Comment
  UCR55657  Atriplex coronata var. notatior L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside Perris-Aguanga Basin Region, San Jacinto River, 1 mi east of Perris [near Case Rd.] 427 Comment
  UCR85573  Atriplex coronata var. notatior Julie A. Greene 1993-6-11 1361 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north side of San Jacinto River levee, west of Davis Road 436 Comment
  UCR90766  Atriplex coronata var. notatior D. E. Bramlet 1991-4-30 2088 Riverside 6.5 km west of Hemet and Approx. 610 m west of the intersection of Florida and Warren Road, 340 m south of Florida Ave. and 53 m east of the MWD canal 457 Comment
  LA204674  Atriplex hymenelytra F. R. Fosberg; 1932-3-13 8087 Riverside Coachella Valley, Thousand Palms Canyon Comment
  UCR33641  Atriplex hymenelytra Faulkner 1978-3-21 335 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  UC110247  Atriplex lentiformis T. S. Brandegee 1901-4-3 Riverside Salton Crossing , Salton Crossing (Colorado Desert) Comment
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Sep 11 2011
  RSA598396  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams. Comment
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Mar 20 2011
  CLARK-A1528-5395  Atriplex polycarpa John C. Roos 1943-12-19 2763 Riverside Pushawalla Wash Comment
  LA204696  Atriplex polycarpa Ray Cowles; 1936-11-29 sn Riverside Indian Wells Comment
  UCD97620  Atriplex prostrata O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom, just E of the old Salt Lake R.R. Bridge. 216 Comment
  UCD97790  Atriplex serenana var. serenana D. E. Bramlet; D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region; Diamond Valley, just north and east of the Searl Ranch buildings. 482 Comment
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May 18 2015
  UCR130513  Atriplex suberecta R. E. Riefner Jr. 2003-5-27 03- 240 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  UCR274527  Atriplex suberecta Mitch Provance, Ken Halama 2003-6-15 17056 A Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR59230  Atriplex suberecta Jeri Hirshberg 1989-7-20 s.n. Riverside Peninsular Range, Diamond Valley, north of Newport Road 522 Comment
  IRVC28527  Atriplex triangularis O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom just E of the old Salt Lake River Bridge. Comment
  SEINET9793566 Image available Avena barbata Richard Carter 2005-6-25 Riverside west side of Hemet by Hwy. 74/79; vacant lot north side hwy., vic. California Avenue; USGS Winchester Quad. Comment
  CAS-BOT-BC98786  Baccharis brachyphylla Edmund C. Jaeger 1938-11-10 s.n. Riverside South base of Chuckwalla Mts. 274 Comment
  UCR26079  Baccharis brachyphylla John C. Roos 1946-9-14 3008 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  CLARK-A1528-1626  Baccharis glutinosa John C. Roos 1949-9-21 4664 Riverside Reche Canyon 457 Comment
  HSC5132  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  CLARK-A1045-323  Baccharis sergiloides George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  UCR245801  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40963 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  JOTR32491  Bahiopsis parishii Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  POM29692  Baileya pauciradiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UC30493  Baileya pauciradiata S. B. Parish Apr 4 1896-Apr 13 1896 4125 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  SD28022  Baileya pleniradiata Carl B. Wolf 1932-4-27 3026 Riverside Mecca-Blythe Road; 3/4 miles west of Utopia. 149 Comment
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Dec 11 2011
  CLARK-A1528-170  Bebbia juncea Charlotte Stocks 1964-8-7 Riverside Comment
  RSA0002511  Bebbia juncea M. B. Dunkle 1935-4-17 4556 Riverside W. of Wiley Well. Colorado Desert. Comment
  SEINET10616171  Bebbia juncea David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3629 Riverside Found in a wash 200 yards below springs. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  LA203075  Bebbia juncea var. aspera Flora Murray Scott; 1928-3-24 sn Riverside Painted Canyon Comment
  UC51596  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 8058 Riverside Salton Comment
  UC51597  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  RSA452617  Berberis Anstruther Davidson 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  CAS-BOT-BC75537  Berberis dictyota Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-25 261 Riverside Santa Rosa Mountain road above Palms-to-Pines Highway. 1371 Comment
  UCR59759  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3055 Riverside Peninsular Range, Vail Lake area, 0.75 mi north of dam, at edge of dissected bench, S flank Oak Mtn. 518 Comment
  UCR89595  Bernardia myricifolia Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  POM4976  Bidens laevis Geo. R. Hall 1905-1 s.n. Riverside Riverside Comment
  CLARK-A1528-173  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  RSA627850  Bloomeria crocea A. C. Sanders 1994-5-30 14597 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs. 950 Comment
  UCR116865  Bloomeria crocea A. C. Sanders, Steven R. Hill 2001-5-4 24124 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA0125971  Boechera Scott D. White, Justin M. Wood 2008-7-8 12374 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  POM229453  Boechera californica P. A. Munz 1937-5-30 15085 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA482681  Boechera californica R. S. Woglum 1941-6-12 3059 -A Riverside Idyllwild Comment
  UCSB26857  Boechera californica Gerhart, Janet 1963-5-3 Riverside 8.5 miles north of Lake Fulmor Picnic area on Banning-Idyllwild road 1219 Comment
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Mar 14 2014
  CAS-BOT-BC25658  Boechera pulchra Annie M. Alexander; Louise Kellogg 1941-5-19 2201 Riverside Colorado Desert. Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  RSA770620  Boerhavia Robert F. Thorne 1966-10-15 41813 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  JOTR38525  Boerhavia coulteri var. palmeri Harding, Mitzi, Kipp Callahan 2012-8-27 294 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR35203  Boerhavia intermedia L. B. Ziegler 1967-8-26 236 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  RSA751512  Boerhavia triquetra Jim Andre, Tasha La Doux 2008-9-13 10264 Riverside Cuckwalla Valley: Along Hwy 177 (NW side), SE end of Coxcomb Mts. E boundary of Joshua Tree National Park 161 Comment
  RSA793614  Boerhavia triquetra var. intermedia Duncan S. Bell, Aaron Sedgwick 2012-9-13 4199 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  SD129261  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. 609 Comment
  UC851715  Boerhavia wrightii C. Epling and Wm. Stewart 1936-9-1 Riverside Desert Center Comment
  UCR19111  Boerhavia wrightii John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  UCR57891  Boerhavia wrightii J. M. Stewart 1989-9-17 604 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  RSA751507  Bouteloua aristidoides var. aristidoides Jim Andre, Tasha La Doux 2008-9-13 10274 Riverside Eagle Mts.: At Joshua Tree National Park boundary, lower slopes of S end of Eagle Mtns., along aqueduct access road. 355 Comment
  SEINET10519902  Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 Holmgren 6490 Riverside Palen valley, 15 mi ne of desert center. T3s, r16e, sec 25, locally common in Gullies. Plants dark violet. 183 Comment
  CAS-BOT-BC95428  Bowlesia incana E. A. Zumbro 1902-4-1 s.n. Riverside Box Springs Mtn. Comment
  SEINET3081272 Image available Bowlesia incana David C. Hawks, G. Bruyea 1987-4-3 Riverside Peninsular Range; Gaylord property, NW of Aguanga 550 Comment
  CLARK-A1528-5667  Brandegea bigelovii John C. Roos 1960-4-8 Riverside 380 Comment
  RSA394247  Brandegea bigelovii M. B. Dunkle 1933-3-4 3068 Riverside Painted Canyon 61 Comment
  SEINET270250  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Colorado Desert Coachella Valley: alluvial fans below the Santa Rosa Mountains north of Toro Canyon west of Monroe St 15 Comment
  UCD107473  Brandegea bigelovii Lewis S. Rose 1967-12-21 67187 Riverside 2 mi. s. of Palm Desert. 60 Comment
  UCR187486  Brassica geniculata Diane Menuz 2006-6-21 178 Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  UCR211714  Brassica kaber Fred M. Roberts, D. E. Bramlet, Kerry Byrne 2006-4-20 6320 Riverside Perris Basin, Upper Salt Creek watershed, southwest of Hemet, 2 km southeast of Winchester, south of Domenigoni Parkway 448 Comment
  UCR250213  Brassica rapa A. C. Sanders 2014-4-23 41063 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.1 km NW of Hwy 74 387 Comment
  CAS-BOT-BC36847  Brassica tournefortii Lewis S. Rose 1962-3-2 62006 Riverside La Quinta. 3 Comment
  CLARK-A1656-707  Brassica tournefortii Theo Glenn 1979-2-16 Riverside San Jacinto Mountains 335 Comment
  RSA184044  Brassica tournefortii I. L. Wiggins, Dorothy B. Wiggins 1966-2-22 20462 Riverside Hwy 60, 1.5 miles SE of Garnet Hill. Comment
  UC2015553  Brassica tournefortii A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15997 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR102744  Brassica tournefortii B. G. Pitzer 1998-2-1 3443 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR156356  Brassica tournefortii T. B. Salvato, Kent Beaman 2005-5-16 867 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
  UCR51366  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside San Bernardino Valley Region, City of Riverside, W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak 457 Comment
  RSA79181  Brickellia arguta Philip A. Munz 1952-5-2 16234 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  RSA561424  Brickellia californica Steve Boyd 1992-9-9 7685 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  CAS-BOT-BC106193  Brickellia desertorum Edmund C. Jaeger 1921-10-9 118 Riverside Palm Springs, Colorado Desert Comment
  LA203084  Brickellia desertorum Carl Epling; 1937-11-26 Riverside White Tank, Twentynine Palms Comment
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Jun 14 2013
  RSA78368  Brickellia desertorum J. C. Roos 1950-12-2 5029 Riverside Monson Canyon, Eagle Mts. 915 Comment
  SD144057  Brickellia desertorum A. C. Sanders, P. MacKay 1994-10-23 15846 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell. 673 Comment
  RSA736003  Brodiaea filifolia Scott D. White, Justin M. Wood 2008-6-26 12291 Riverside I-215 just N of San Jacinto River crossing. 431 Comment
  RSA180515  Brodiaea santarosae E. W. Lathrop 1960-5-27 5221 Riverside 6 miles west of Murrieta. Comment
  RSA559357  Brodiaea santarosae Steve Boyd, Timothy S. Ross 1992-5-15 7385 Riverside Southern Santa ana Mtns., southern flank of Elsinore Peak along old Main Divide Road track about 1/4 mile due south of radio towers, 1037 Comment
  CLARK-A1528-2794  Brodiaea terrestris William E. Wayburn 1973-5-26 730526 Riverside Murrieta 548 Comment
  SEINET239061 Image available Bromus arizonicus O. F. Clarke 1973-3-21 Riverside Riverside. Weed at the O.F. Clarke residence, 1012 Spruce Street. Comment
  CAS-BOT-BC149442  Bromus berteroanus John Roos; Lucille Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon south of Palm Springs. 274 Comment
  RSA385314  Bromus carinatus N. C. Cooper 1944-4-8 1052 Riverside Andreas Canyon 305 Comment
  RSA597943  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside Riverside., (Near 33 deg 57.5'N, 117 deg 21'W.) 290 Comment
  UCR108873  Bromus hordeaceus Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR171955  Bromus hordeaceus John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR180345  Bromus hordeaceus Scott D. White, Angelia Carey 2004-4-5 10026 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SEINET244774 Image available Bromus hordeaceus subsp. molliformis A. C. Sanders, D. Malueg 2002-4-8 24908 Riverside Perris-Aguanga Basin; Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  CLARK-A1528-4554  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  RSA772131  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4864 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA778204  Bromus rubens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 798 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  UCR234225  Bromus rubens A. C. Sanders, John F. Green 2012-3-20 39979 Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy 389 Comment
  RSA586130  Bromus rubens D. L. Banks 1995-4-11 173 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail., 33 deg 26' 18''N-116 deg 58' 27''W. 950 Comment
  UCD59748  Bromus tectorum Peter Kamb 1948-7-4 1160 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR2261  Bromus trinii F. M. Reed 1906-3-17 923 Riverside Riverside: mouth of South fork of Arroyo Tequesquite 335 Comment
  JOTR31864  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR106875  Calandrinia ciliata Michael A. Patten 1993-2-27 s.n. Riverside Paloma Valley, along Garboni Rd, just east of Antelope Rd. 450 Comment
  UCR21911  Calandrinia ciliata Steve Boyd 1980-5-2 158 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR18880  Callitriche marginata John C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs 488 Comment
  SEINET3208897  Calocedrus decurrens G. Goodwin 2012-6-14 3452 Riverside San Jacinto Mountains, south of Idyllwild adjacent to highway 243 1680 Comment
  UCSB246  Calocedrus decurrens White, Arthur 1960-5-14 Riverside At side of road between Banning and Idyllwild, 14.2 mi. s. of Hwy. 70 and 99 1676 Comment
  RSA779939  Calochortus concolor Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2376 Riverside Just off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.6 air miles northeast of Red Dome. 859 Comment
  RSA580942  Calochortus plummerae D. E. Bramlet 1994-6-16 2385 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  RSA79326  Calochortus plummerae Percy C. Everett, E. K. Balls, Lee Lenz 1952-7-1 17281 Riverside 6.7 mi W along Hwy 74 from jct w/ rd. S from Idyllwild. Comment
  RSA501010  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3129 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UCR127556  Calochortus splendens A. C. Sanders, T. B. Salvato 2003-5-21 26796 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR174331  Calochortus splendens A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32559 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
  CAS-BOT-BC483506  Calochortus splendens Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Canyon, Highway 74, San Juan Mts. 609 Comment
  RSA369018  Calochortus weedii Robert Gustafson, Gary D. Wallace 1983-6-23 2709 Riverside Santa Ana Mountains, Clinton Keith Road near junction with Tenaja Road. Comment
  UC63832  Calochortus weedii H. M. Hall 1895-6-9 Riverside Temescal Comment
  OBI8308  Calycoseris wrightii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12057 Riverside Along Box Cyn rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UCR279416  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-25 42996 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  JOTR30966  Calyptridium monandrum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1941 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC218071  Calyptridium monandrum Munz and Johnston 1922-5-19 5365 Riverside 5 mi ne of Murietta 457 Comment
  UC635495  Calyptridium monandrum Margaret Stason 1927-2-12 Riverside One Thousand Palm Canyon; Colorado Desert, One Thousand Palm Canyon Comment
  UCR252228  Calystegia macrostegia Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  SDSU12872  Calystegia macrostegia subsp. intermedia J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 26 Riverside At switchback in road from Santa Margarita (SDSU) Field Station trailer leading down into Santa Margarita River Gorge, north of river. 256 Comment
  CAS-BOT-BC221318  Calystegia macrostegia subsp. tenuifolia Peter H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs Comment
  RSA716492  Calystegia macrostegia subsp. tenuifolia Scott D. White 2006-4-27 11301 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR92224  Calystegia macrostegia subsp. tenuifolia D. L. Banks 1995-4-11 0172 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 951 Comment
  RSA465917  Camissonia bistorta N. C. Cooper 1949-3-15 3009 Riverside Banning. 701 Comment
  SEINET7072829  Camissonia bistorta A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UCR108840  Camissonia bistorta Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  SEINET7040154  Camissonia bistorta A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  SEINET4681021  Camissonia boothii Elizabeth Neese 1979-4-10 7072 Riverside Joshua Tree National Monument S of Twenty-nine Palms, near Cottonwood Sp.; 0 305 Comment
  UCR165825  Camissonia boothii John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA795944  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 276 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR167462  Camissonia brevipes 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
  RSA115524  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11568 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA136659  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11861 Riverside Fried Liver wash, Pinto Basin, Joshua Tree National Monument. Comment
  RSA314675  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55502 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 Comment
  SEINET3093245 Image available Camissonia californica B. Pitzer, L. LaPre 1987-3-2 416 Riverside Bundy Canyon, ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd., off Raciti Rd. (Romoland 7.5' Quad). Comment
  UCR120810  Camissonia californica Ian G. Gillespie 2000-4-16 5 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  UCR248432  Camissonia cardiophylla Duncan S. Bell 2012-2-12 3113 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  JOTR31901  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  POM126823  Camissonia cardiophylla subsp. cardiophylla E. E. Schellenger 5 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR108718  Camissonia claviformis Scott D. White, Pam DeVries 1998-2-9 6079 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR166017  Camissonia claviformis 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
  UCR41633  Camissonia claviformis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6076 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA790630  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 5 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  UCR103309  Camissonia confusa George K. Helmkamp 1998-4-4 3167 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCD103281  Camissonia contorta C. L. Hitchcock; C. V. Muhlick 1962-3-16 22136 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
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Jun 24 2020
  RSA343090  Camissonia hirtella Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60624 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA628479  Camissonia hirtella A. C. Sanders 1994-5-30 14594 Riverside Foothills NNE of Beaumont. 945 Comment
  UCR265813  Camissonia hirtella Mitch Provance 2012-5-24 512- 03 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UCR110976  Camissonia intermedia George K. Helmkamp 1998-6-27 4086 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR118245  Camissonia micrantha Mitch Provance, J. Ross 1999-4-1 1736 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  POM259680  Camissonia pallida subsp. hallii P. A. Munz 1940-3-22 15660 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  CLARK-A1528-3334  Camissonia refracta John C. Roos 1966-3-20 Riverside Comment
  UCR102047  Camissonia strigulosa B. G. Pitzer 1997-4-20 3207 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  UCR201453  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-5 12080 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR84659  Camissonia strigulosa Scott D. White, S. Ogg 1994-4-21 2007 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UC50343  Camissoniopsis bistorta H. M. Hall April 1903 3788 Riverside vicinity of Riverside 396 Comment
  SD148106  Camissoniopsis hirtella A. C. Sanders, T. B. Salvato 2000-5-25 23427 Riverside Menifee Valley, south of Newport Road, north of Holland Road and east of Bradley Road, 2.0 miles due east of Railroad Canyon Lake. 438 Comment
  RSA0120308  Camissoniopsis pallida subsp. pallida Duncan S. Bell 2016-4-16 9319 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCSB4513  Camissoniopsis pallida subsp. pallida Haller, John 1957-3-23 Riverside Morongo Wash, ca, 4.5 road miles N. of US 99, & 3 air miles S. of Riverside-San Bernardino co line 609 Comment
  UCR250320  Cardamine hirsuta A. C. Sanders 2014-4-16 41014 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., across from intersection with Soapberry Rd. 345 Comment
  RSA364633  Carex fracta M. B. Dunkle 1933-7-19 3666 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  CAS-BOT-BC32469  Carex jacintoensis Harvey Monroe Hall 1901-7-1 2483 Riverside San Jacinto Mountains. Tamarack Valley. 2743 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
  POM319473  Carex multicaulis Patricia Wilder 1968-7-5 4326 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  CDA35222  Castela emoryi T. C. Fuller 1962-10-2 9697 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  UCR50417  Castilleja affinis B. G. Pitzer, E. Misquez 1988-2-28 618 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  SDSU14239  Castilleja affinis subsp. affinis Ingrid Poulin, Dr. M. G. Simpson & Biology 531, class of Spring 2002 2002-4-20 21 Riverside Santa Margarita Ecological Reserve - Northside; Loop Trail to Observation Point; east of Via Tornado. 335 Comment
  UC1552094  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside s of Lake Hemet (on Hwy 74, Thomas Mountain Rd, from n to s, w of Garner Valley) 1676 Comment
  UCR100966  Castilleja densiflora 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
  UCR241179  Castilleja exserta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 47 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon above woodland stand H-01, toward Burro Flat 951 Comment
  SBBG133116  Castilleja exserta B. C. Templeton, I. W. Clokey 1930-4-9 1070 Riverside Moreno Grade Comment
  PASA985  Castilleja foliolosa Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA33565  Castilleja foliolosa N. C. Cooper 1944-3-24 1020 Riverside Banning. 701 Comment
  UCR165850  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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
  RSA0010957  Castilleja miniata subsp. miniata Fordyce Grinnell Jr. 1908-07 s.n. Riverside Strawberry Valley. 1829 Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  RSA736036  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Hills to the W of I-215 and S of Scott Rd. 488 Comment
  RSA746820  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 640 Comment
  UC1929315  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  SD215438  Caulanthus lasiophyllus Steve Boyd, Tim Ross, et al. 1990-4-3 4056 Riverside Vail Lake area, summit of Big Oak Mountain at east end. 792 Comment
  CAS-BOT-BC48621  Ceanothus cordulatus W. R. Dudley 1903-12-25 s.n. Riverside Mouth of Tahquitz Canyon Comment
  IRVC26891  Ceanothus crassifolius C. B. Wolf 1932-2-11 2648 Riverside Hidden [Tin Mine] Canyon, 5 mi. W of Corona, base of Skyline Drive. Santa Ana Mtns 405 Comment
  POM254880  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA262093  Ceanothus integerrimus var. puberulus E. W. Lathrop 1969-5-9 7033 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  CAS-BOT-BC51275  Ceanothus leucodermis Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9661 Riverside 3 miles below junction of Idyllwild Road on State Highway #74 Comment
  POM250392  Ceanothus leucodermis I. W. Clokey, E. G. Anderson 1935-8-21 6737 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA673494  Ceanothus oliganthus var. oliganthus Scott D. White, Sandy Leatherman 2000-4-19 7659 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  CAS-BOT-BC63565  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7194 Riverside Santa Ana Mts., main divide motorway to Santiago Pk., 1 mi. from Ortega Highway. 731 Comment
  UC314551  Ceanothus palmeri Marcus E. Jones, A. M. 1926-6-20 Riverside 20 mi n Idyllwild; n of Idyllwild Comment
  UCD112522  Ceanothus perplexans Sally Bonnett 1973-4-21 040 Riverside At junction of St. Pierre Road and Palm Canyon Drive, 1.4 mile from Highway 74, near Pinon Flats, between San Jacinto and Santa Rosa Mountains. Comment
  UCR121312  Ceanothus perplexans A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25006 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UC217954  Ceanothus tomentosus P. A. Munz 1922-4-30 5131 Riverside St. John's Grade, south of Hemet. Comment
  RSA495804  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2913 Riverside Southwest end of Oak Mountain northwest of Vail Lake. T8S, R1W NE corner sec. 5. 549 Comment
  CDA1881  Cenchrus ciliaris D. Halsey 1978-2-1 s.n. Riverside Kapra Ranch, Indio. 0 Comment
  UC1931225  Centaurea melitensis Scott D. White, Justin Wood 2008-6-17 12174 Riverside San Jacinto Mountains: Garner Valley - Kenworthy Station (USFS) Comment
  UCR62354  Centaurea repens O. F. Clarke 1990-5-24 s.n. Riverside Riverside, intersection of Jackson Street and Victoria Avenue Comment
  UCR65296  Centaurea repens Steve Boyd 1989-7-6 3758 Riverside Riverside, intersection Van Buren Avenue and Jurupa Rd Comment
  UCR159773  Centaurea solstitialis Chris E. True, Robert Cox 2005-6-17 s.n. Riverside Beaumont Badlands, San Timoteo Canyon, north of historic schoolhouse and RR tracks, just NE of El Casco Lakes 610 Comment
  RSA526081  Centaurium venustum Steve Boyd, T. S. Ross 1990-5-11 4654 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR130713  Centaurium venustum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4079 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR141445  Centaurium venustum June Latting 1979-5-20 s.n. Riverside Peninsular Ranges, Santa Ana Mtns., Ortega Hwy (Calif. Hwy 74) in San Juan Canyon about 7 miles northeast of San Juan Fire Station 518 Comment
  JEPS106969  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 3 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  RSA683882  Centromadia pungens subsp. laevis Barry L. Jones 2003-5-29 s.n. Riverside USGS quad. For Wildomar & Lake Elsinore, Lake Elsinore area, just north of the intersection of Corydon Road & Grand road. Comment
  RSA735908  Centromadia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-6-24 12283 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR280603  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2016-4-24 17- 198 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  RSA757632  Centrostegia thurberi LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4322 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JEPS64760  Cercidium floridum subsp. floridum W. L. Jepson 1920-5-1 8917 Riverside Palm Sprs. of San Jacinto Colorado Desert 137 Comment
  JOTR30646  Cercocarpus betuloides var. betuloides La Doux, Tasha, Erin Babich 2008-4-21 1807 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  CLARK-A1045-284  Chaenactis artemisiifolia George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains middle of road to Oak Spring off San Jacinto Ridge Road; ; Lake Fulmor 7.5'Q 1066 Comment
  UCR258749  Chaenactis artemisiifolia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7902 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  POM15196  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-3-29 1444 Riverside Painted Canyon. 152 Comment
  UCR41555  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6110 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC1539719  Chaenactis fremontii Chas. B. Fiker 1946-4-16 3414 Riverside w side of Colorado Desert Comment
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Mar 23 2014
  UC1718086  Chaenactis fremontii John S. Mooring 1962-3-10 569 Riverside Whitewater Canyon ca. 0.5 miles N of hwy 60-70 Comment
  UCR263245  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41470 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UCR24931  Chaenactis glabriuscula A. C. Sanders 1980-7-18 01683 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  POM351763  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-3-25 1029 Riverside Cabazon. 457 Comment
  RSA528099  Chaenactis glabriuscula var. glabriuscula Steve Myers 1991-4-1 91 -27 Riverside City of Banning, W of Fields Road, N of Interstate 10 & S of the Morongo Indin Reservation 671 Comment
  RSA771657  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4911 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
  CAS-BOT-BC100681  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa, Santa Rosa Mts. 1828 Comment
  UC217943  Chaenactis stevioides P. A. Munz and D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley Colorado Desert, Chuckawalla Valley 152 Comment
  UCD130392  Chaenactis stevioides G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2722 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  UCR93838  Chaetopappa aurea Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro Comment
  RSA180451  Chamaesyce albomarginata E. W. Lathrop 1960-6-6 4840 Riverside 14 miles west of Murrieta. Comment
  RSA626041  Chamaesyce albomarginata Scott D. White 1994-6-14 2073 Riverside Santa Gertudis Creek, ca. 1 mi. E. of Skunk Hollow. 396 Comment
  RSA659783  Chamaesyce melanadenia S. Grangier 1979-5-10 s.n. Riverside Palm Springs. 610 Comment
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Apr 25 2011
  RSA760823  Chamaesyce polycarpa Thomas Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-3-30 106 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA433  Chamaesyce polycarpa var. hirtella J. T. Howell 1927-4-1 521 Riverside Near Mission Creek, Colorado Desert 457 Comment
  RSA576460  Chamaesyce polycarpa var. hirtella L. C. Wheeler 1933-12-2 2309 Riverside Mouth Tahquitz Canyon near Palm Springs. 144 Comment
  RSA598702  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6141 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  IRVC19370  Cheilanthes clevelandii R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  JOTR30987  Cheilanthes covillei La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1965 Riverside Joshua Tree National Park. (Stop 3) Hexie Mountains, slopes above Blue Cut Gorge Comment
  UC667375  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-4 2119 Riverside Barker Dam; Joshua Tree Nat'l Monument 1322 Comment
  SEINET272413 Image available Cheilanthes newberryi A. C. Sanders, G Helmkamp 1997-3-15 19917 Riverside Lake Skinner Area; hill E of Skinner Lake at NW end of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reservoir 567 Comment
  UC1063595  Cheilanthes parryi H. S. Yates 1937-3-24 6453 Riverside Deep Canyon; Thermal Quadrangle Comment
  UC218646  Cheilanthes viscida Ivan Johnston 1917-4-4 Riverside Palm Canyon 304 Comment
  UCR91559  Cheilanthes viscida A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15910 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  RSA553097  Chenopodium Scott D. White 1992-9-11 s.n. Riverside Vicinity of Gilman Hot Springs, N side of San Jacinto River, and a thin strip trending N of the river and W of the Hot Springs 451 Comment
  RSA667299  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  RSA654971  Chenopodium album A. C. Sanders 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UCR99875  Chenopodium album Scott D. White 1996-12-26 4642 Riverside Perris Basin, Perris area 442 Comment
  UCR110420  Chenopodium ambrosioides A. C. Sanders, Mitch Provance 1999-9-26 23129 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA0035479  Chenopodium berlandieri A. C. Sanders 2013-7-7 40858 Riverside SE of Idyllwild on Saunders Meadow Road near the trash transfer station (dump), NE of hairpin turn in road 1610 Comment
  UC1951128  Chenopodium californicum Scott D. White, Justin Wood 2009-5-22 12900 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR155168  Chenopodium californicum A. C. Sanders 2005-5-4 29847 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  SEINET12802708  Chenopodium incanum Chris Dietrich, M. Merello & H. Schmidt 1994-1 32 Riverside 7.5 miles S of North Shore on State Highway 111. Along highway on east shore of Salton Sea. 60 Comment
  UCR141237  Chenopodium missouriense A. C. Sanders, Mike Misenhelter 2004-10-6 28840 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA629022  Chenopodium murale Scott D. White 1998-6-28 6799 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  RSA653232  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley: along Dillon Rd. at junction with Tyler, north of I-10, E of Indio and N of Coachella. 5 Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  UC7268  Chenopodium pratericola H. M. Hall July 1901 2473 Riverside Tahquitz Valley San Jacinto Mountains 2133 Comment
  SD229109  Chilopsis linearis Dick Schwenkmeyer 2012-10-16 849 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR199614  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCD121656  Chilopsis linearis subsp. arcuata L. S. Rose 1935-12-22 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
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Feb 6 2013
  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
  UCD169371  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  JEPS68481  Chloris virgata W. L. Jepson 1912-11-1 5269 Riverside Palo Verde Valley, Blythe 82 Comment
  UCR2285  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Riverside, on the Bell lot, Massachusetts Avenue 290 Comment
  UCR2286  Chloris virgata F. M. Reed 1925-8-10 5136 Riverside Glen Avon, Granite Hill Ranch 183 Comment
  POM78160  Chloris virgata F. M. Reed 1925-8-10 5136 -B Riverside Granite Hill Ranch, near Glen Avon. 183 Comment
  UCR241566  Chlorogalum parviflorum A. C. Sanders 2013-4-16 40799 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, 3.2 km WSW of the intersection of Goetz & Ethanac roads 439 Comment
  JEPS57597  Chorizanthe brevicornu var. brevicornu W. L. Jepson 1901-5-22 1389 Riverside Palm Canyon Mount San Jacinto, Palm Canyon Comment
  POM122109  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC472756  Chorizanthe brevicornu var. brevicornu Mary F. Spencer 1918-3-25 Riverside Colorado Desert Comment
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Jun 12 2012
  UCR174117  Chorizanthe coriacea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32615 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
  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
  RSA518037  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1423 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA407722  Chorizanthe fimbriata Steve Boyd 1986-5-1 1785 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA512166  Chorizanthe fimbriata Ed LaRue 1989-5-3 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  UCR156475  Chorizanthe fimbriata Jason L. Hlebakos 2005-5-3 616 Riverside Santa Ana Mtns, Elsinore Peak 1039 Comment
  UCR155061  Chorizanthe leptoceras R. E. Riefner Jr. 2005-5-25 05- 418 Riverside Temecula Region, Pechanga Indian Reservation, on north side of Pechanga Creek, south of Pechanga Road 377 Comment
  RSA784515  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 72 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  UCR233082  Chorizanthe leptotheca T. B. Salvato, Richard Camacho 2011-6-12 5495 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  SEINET3132306  Chorizanthe parryi var. parryi K. Brandegee 1905-5-12 sn Riverside Riverside Comment
  UCR112486  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato 2000-5-25 23404 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
  UCR174384  Chorizanthe parryi var. parryi A. C. Sanders 2006-5-19 32415 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR231762  Chorizanthe polygonoides var. longispina John F. Green 2008-4-23 09- 09 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCSB1344  Chorizanthe rigida Gunnerson, Robert 1953-3-21 Riverside 12 mi. east of Indio Comment
  RSA525433  Chorizanthe staticoides Steve Boyd, Dave Bramlet 1990-4-29 4478 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR18188  Chorizanthe xanti var. leucotheca A. C. Sanders 1978-4-30 547 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  POM184062  Chrysothamnus teretifolius P. A. Munz 1932-10-16 12872 Riverside Indio to Vandeventer Flat. 1067 Comment
  UC218061  Chylismia brevipes subsp. brevipes P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4894 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mountains 609 Comment
  UCR244295  Chylismia cardiophylla subsp. cardiophylla Jim Andre 2012-4-16 20878 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  OBI26127  Chylismia claviformis David J. Keil 1976-12-12 11905 Riverside Ca. 5 mi E of Indio along I-10 Comment
  CAS-BOT-BC160594  Chylismia claviformis subsp. aurantiaca H. M. Hall 1905-4-1 5805 Riverside 10 miles west of Coachella 91 Comment
  CAS-BOT-BC160607  Chylismia claviformis subsp. aurantiaca Lewis S. Rose 1936-12-22 36805 Riverside 5 mi. W. of Indio Comment
  JEPS23483  Chylismia claviformis subsp. aurantiaca Marjorie D. Clary 1933-2-26 2060 Riverside Aqueduct Rd North Colorado Desert 243 Comment
  CDA31794  Cirsium occidentale var. occidentale E. Storm 1979-4-25 Riverside Banning Mias Canyon Rd. 0 Comment
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Mar 13 2011
  CAS-BOT-BC286457  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning) 1500 Comment
  POM307245  Cistanthe monandra Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2103 Riverside Santa Rosa Mountains. Comment
  RSA0013348  Cistanthe monandra C. P. Cowan 1978-4-23 1181 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR115428  Clarkia epilobioides Scott D. White, D. E. Bramlet 1999-4-22 7242 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  CAS-BOT-BC164763  Clarkia rhomboidea Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR44184  Clarkia similis A. C. Sanders, B. Pitzer 1986-4-30 6476 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA524239  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4035 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA674937  Claytonia parviflora subsp. parviflora Scott D. White, Bill La Haye 2000-5-27 7966 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR214146  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37710 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  UCR241946  Claytonia perfoliata A. C. Sanders, Timothy W. Chumley 2013-3-28 40705 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 393 Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  SEINET3930996  Clematis lasiantha David Keil 1983-4-15 16900 Riverside East of Temecula on SR79.; 0 Comment
  POM48321  Clematis pauciflora E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA716370  Clematis pauciflora Scott D. White 2006-5-19 11476 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
  UCR90756  Clematis pauciflora Scott D. White 1995-4-5 2735 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA575905  Cleome isomeris Steve Boyd 1994-10-14 8402 Riverside Southern Santa Mountains, Santa Rosa Plateau, east of the Tenaja Guard Station of the Clevelands National Forest, at the intersection of Tenaja Road and Wildomar Truck (7S01) 671 Comment
  UCR234409  Cnicus benedictus Kai T. Palenscar 2010-4-3 s.n. Riverside City of Riverside; Santa Ana River, just north of Martha McLean-Anza Narrows Park 217 Comment
  SDSU10586  Collinsia concolor Gerald Collier 1951-5-26 Riverside 15 miles E of Hemet on state hwy 74, 25 yards from road. San Jacinto Mtns. San Bernardino National Forest. Comment
  UCR171984  Collinsia heterophylla John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  JOTR35329  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  SBBG54139  Colubrina californica C. S. Jones 1979-3-27 41 Riverside wash ca. 5 mi N of Interstate 10, 4 mi W of Desert Center 426 Comment
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Mar 15 2013
  UCR41565  Condalia globosa var. pubescens A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mtns, 9 miles south of Hwy I-10 on the Gasline Road, 2 mi. airline south of the Model Mine 579 Comment
  SBBG87666  Condea emoryi D. Charlton 1988-2-18 1188 Riverside S side of Cottonwood Wash, 5 mi E of jct Dillon Rd and Fargo Cyn Rd 762 Comment
  UCR107825  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, at intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  RSA0011000  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1436 Riverside San Bernardino National Forest: Garner Valley, approximately 2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1373 Comment
  RSA0011002  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1623 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  UCR79254  Coreopsis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area: from Fisherman's Camp downstream to confluence w/ Bluewater Canyon 366 Comment
  UC729611  Coreopsis californica var. californica J. T. Howell 1929-2-14 1232 Riverside 2 mi s Glen Ivy; Temescal Canyon Comment
  CAS-BOT-BC101301  Corethrogyne filaginifolia Carl B. Wolf 1932-8-4 3919 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  RSA175014  Coryphantha alversonii S. B. Parish 1916-5-13 s.n. Riverside Cottonwood Canyon, Colorado Desert. Comment
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Oct 3 2011
  UCR22105  Cotula australis Steve Boyd 1980-5-28 304 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  POM212789  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  UCR266333  Crassula aquatica D. E. Bramlet 1992-4-15 2230 Riverside Perris-Aguanga Basin Region, west of Hemet, west of Warren Rd. 457 Comment
  UCR167846  Crassula connata T. B. Salvato, Melissa Clemons 2005-6-2 1349 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA679819  Crassula connata LeRoy Gross, Valerie Soza 2003-5-8 830 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA593888  Crassula solieri Steve Boyd, Dave Bramlet 1996-4-19 8611 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
  UCD101825  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region; Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  NY268563  Crossosoma bigelovii J. Turner 1959-3-21 75 Riverside Along road to Morongo Valley 8 miles north of United Stated Highway 99, Morongo Wash. Comment
  RSA124432  Crossosoma bigelovii Percy C. Everett, E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  UCR25850  Crossosoma bigelovii John C. Roos 1949-4-2 4127 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon Comment
  LA211610  Croton californicus Mark A. Elvin; 1998-5-12 857 Riverside Along Santa Ana River between Colton and Riverside. 271.0 Comment
  OBI26132  Croton californicus David J. Keil 1976-12-12 11911 Riverside 5 mi E of Indio along I-10 Comment
  SBBG92711  Croton californicus J. C. Dice, V. Moran 1987-11-28 760 Riverside Temecula Gorge, on N bank of Santa Margarita River at aqueduct crossing 250 Comment
  SEINET6062496  Croton californicus S. B. Parish Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SEINET9255224 Image available Croton californicus J. C. Roos 1965-6-23 Riverside Palm Springs Comment
  UCR187280  Croton californicus Diane Menuz, Theresa Johnson 2006-6-15 157 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  UCD141965  Croton californicus subsp. californicus Robert F. Thorne; W. A. Tilforth, L. Shultz, R. K. Benjamin, J Hogge 1980-4-16 54120 Riverside San Bernardino Mts.; along Whitewater River; E. of bridge and levee. Comment
  RSA480703  Croton californicus var. mohavensis P. J. Remple 1942-3-3 s.n. Riverside Garnet Station. Comment
  UCR119447  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23100 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR110388  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA544442  Crypsis vaginiflora Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6349 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  SEINET6971883  Cryptantha A. G. Vestal 1962-3-29 s.n. Riverside 4.2 miles east of Murrieta. Comment
  CDA40492  Cryptantha angustifolia G. D. Barbe, T. C. Fuller 1973-2-27 1042 Riverside Mouth of Box Canyon Wash, west side of Coachella Canal, on Highway 195 east of Mecca. 0 Comment
  RSA0040071  Cryptantha angustifolia Jim Andre 2014-1-27 26662 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA14032  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-14 4875 Riverside Indian Wells 107 Comment
  RSA4903  Cryptantha angustifolia C. B. Wolf 1932-4-27 3019 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA615343  Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-2-18 2706 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA799816  Cryptantha angustifolia D. M. Ray 2011-3-5 14 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SDSU18676 SDSU18676
Image available
Cryptantha angustifolia Kristen Hasenstab, M. G. Simpson 2008-4-1 44 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. 592 Comment
  SEINET3083658 Image available Cryptantha angustifolia Robert F. Thorne, Drs. Fosberg, Sachet, & Herbst 1983-4-23 55469 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 594 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
  UCR134600  Cryptantha angustifolia Marisa Sripracha, Kyle Boyd 2004-2-14 016 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA0123759  Cryptantha barbigera Duncan S. Bell, LeRoy Gross 2016-3-9 s.n. 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
  UC809722  Cryptantha barbigera Philip A. Munz 1949-4-13 13045 Riverside above Cottonwood Springs (w end Eagle Mts.); Colorado Desert, Eagle Mts. 1097 Comment
  UCR214895  Cryptantha barbigera A. C. Sanders 2010-3-23 37533 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SEINET10455557  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3708 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SEINET10455559  Cryptantha barbigera Thorne 1980-4-16 THORNE 54048 Riverside San Bernardino Mts: Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  RSA0078686  Cryptantha barbigera var. fergusoniae Jim M. Andre 2015-3-2 31359 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  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
  UCR227003  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-2 16234 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR243166  Cryptantha barbigera var. fergusoniae LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4328 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  RSA796026  Cryptantha costata Duncan S. Bell 2009-4-18 243 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR38135  Cryptantha decipiens J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA605175  Cryptantha dumetorum A. C. Sanders, P. Mackay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15999 Riverside colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 miles S of frontage road (old 60) along I10, S to ege of BLM wilderness. 556 Comment
  POM368269  Cryptantha intermedia M. B. Dunkle 1932-3-25 2930 Riverside NW of Indio 10 miles -46 Comment
  RSA586729  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-17 452 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  SD240921  Cryptantha intermedia A. C. Sanders, Matthew Malle 2010-4-23 37999 Riverside Peninsular Range: Menifee Hills, south of Sun City, south side of Bundy Canyon Road at intersection with Murrieta Road (Romoland 7.5'Q) 518 Comment
  UC78664  Cryptantha intermedia C. R. Orcutt Riverside Colorado Desert Comment
  UCR92343  Cryptantha intermedia Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  SEINET12280822  Cryptantha intermedia H. M. Hall 1902-1 2944 Riverside 366 Comment
  SEINET6971906  Cryptantha intermedia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  JOTR34473  Cryptantha micrantha Andre, Jim 2012-4-16 20951 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  UC1601969  Cryptantha micrantha A. W. Anthony 1895-7-9 Riverside San Jacinto Mt. 2438 Comment
  POM318740  Cryptantha micrantha var. lepida Patricia Wilder 1968-7-5 4319 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  RSA543954  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6185 b Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCSB40037  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  SEINET3084450 Image available Cryptantha muricata Rose Gagnon 1968-5-14 680514 -5 Riverside North bank of Santa Ana River East of Salt Lake City bridge Comment
  UC1595605  Cryptantha muricata Steve Boyd and Orlando Mistretta 1991-5-22 6295 Riverside e of Dorland Mtn. (w of Kolb Creek, base of Agua Tibia Mtn., Vail Lake area); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  UCR262451  Cryptantha muricata John F. Green 2015-6-23 615- 05 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  UCR271409  Cryptantha muricata John F. Emmel 2001-6-9 1716 Riverside San Jacinto Mountains, Chalk Hill, south-southwest of Idyllwild 1524 Comment
  RSA0079314  Cryptantha muricata var. jonesii T. B. Salvato, A. C. Sanders 2005-5-17 892 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  RSA0079554  Cryptantha muricata var. muricata Christopher Davidson 1975-6-16 2810 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA0079106  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2011-4-7 2183 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  RSA0079492  Cryptantha pterocarya var. stenoloba Duncan S. Bell 2011-4-7 2177 A Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  RSA499792  Cryptantha racemosa Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  SEINET12280890  Cryptantha racemosa L. S. Rose 1938-1 38338 Riverside 12 mi SW of Cathedral City, Palms to Pines Hwy, San Jacinto Mts 457 Comment
  SDSU18688  Cryptantha utahensis Kristen Hasenstab, M. G. Simpson 2008-4-1 53 Riverside Joshua Tree National Park. 1000 ft from Cottonwood Springs campground. Near sign for entrance from campground to Mastodon loop trail. Hillside is covered with this species of Cryptantha, especially on north facing slopes. 905 Comment
  SEINET241495  Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside Western Colorado Desert: Coachella Vlly, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic A, N of flood ditc 347 Comment
  UCD107530  Cucurbita foetidissima K. Esau 1935-6-15 s.n. Riverside Near Riverside. Comment
  RSA796454  Cuscuta Duncan S. Bell 2009-4-18 224 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  CAS-BOT-BC224608  Cuscuta californica var. papillosa D. A. Johansen; J. A. Ewan 1932-4-11 7095 Riverside Deep Canyon Wash, Colorado Desert Comment
  RSA652887  Cuscuta campestris John Wallace 1991-5-8 20 Riverside Colorado River,. Approximately 3 miles south of Lost Lake Resort. Comment
  RSA662434  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  RSA0056194  Cylindropuntia californica Marc A. Baker 2013-5-25 17746 Riverside San Gorgonio Pass, 9.5km east of Banning, 1.2km NE of Cabazon. 570 Comment
  JOTR35427  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 130 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain peak 1630 Comment
  POM13960  Cylindropuntia echinocarpa P. A. Munz, D. D. Keck 1922-4-9 5018 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  JOTR32481  Cymopterus panamintensis var. acutifolius Herskovits, Tasya 2011-5-25 17 Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large, sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 3) Comment
  CLARK-A1656-743  Cynodon dactylon Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  CAS-BOT-BC114798  Cyperus involucratus A. C. Sanders; G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn, in vicinity of the debris basin, 182 Comment
  RSA613957  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  SD136986  Cyperus squarrosus Steve Boyd, Tim Ross 1992-5-15 7391 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon; vicinity of the junction of Tenaja and Morgan Trails; west of Round Potrero. 671 Comment
  SD227680  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  CAS-BOT-BC70570  Cystopteris fragilis H. E. Hasse 1903-7-1 s.n. Riverside Tahquitz Valley, San Jacinto Mt. Comment
  SFV127  Cystopteris fragilis J. H. Wood 1958-5-30 s. n. Riverside San Jacinto Mountains 1829 Comment
  UCR2294  Dactylis glomerata C. A. Johnson 1915-6-14 s.n. Riverside Rubidoux, Citrus Experiment Station 259 Comment
  SEINET10811894  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12865 Riverside South of Joshua Tree National Park and north of the Salton Sea, on unlabelled east-west road (called 66th Avenue in Mecca) between I-10 and Mecca. Comment
  POM14018  Dalea mollis P. A. Munz 1922-4-8 4738 Riverside Mecca, Colorado desert. -30 Comment
  RSA0043045  Dalea mollis Duncan S. Bell, Loraine Washburn 2014-4-8 6579 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  RSA498343  Dalea mollis Robert M. Perkins, H. de Forest s.n Riverside N. of Blythe, Along Col. river 85 Comment
  SD27946  Dalea mollissima Carl B. Wolf 1932-4-27 2994 Riverside 14 miles east of Mecca, on Blythe Road. 500 Comment
  SEINET10389804  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 Riverside Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 722 Comment
  SEINET10452146  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2062 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  JOTR00878  Dalea mollissima Sipe, Frank 1958-3-10 235 Riverside Joshua Tree National Park. PINTO BASIN Comment
  UC1929328  Datisca glomerata Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10674 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UC534829  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside near Santa Rosa (Santa Rosa Mountains); Santa Rosa Mountains 1828 Comment
  RSA500206  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3538 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR182426  Daucus pusillus Mitch Provance, A. Montalvo 2005-5-12 6700 Riverside Granitie Knolls and Mesas of Riverside, Riverside (Prenda area), land bordering the E side of Washington and the north side of Hermosa St. 335 Comment
  UCR223967  Daucus pusillus A. C. Sanders 2011-3-23 38803 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  SEINET6050431  Deinandra kelloggii Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. Long Canyon watershed. Along Long Canyon Road. 136 meters (0.08 air miles) northwest of jct. with Ortega Hwy (SR74). In meadow south of roadway. Comment
  RSA736661  Deinandra paniculata Justin M. Wood 2008-7-16 25 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  RSA79175  Delphinium parishii P. A. Munz, Percy C. Everett 1952-5-2 16240 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC1595568  Delphinium parishii W. Wisura, A. King, and L. Newcomb 1992-4-10 4667 Riverside w Hwy 62 (below Morongo Valley); Low Desert, Mission Creek Ranch Comment
  UCR133717  Delphinium parishii N. C. Cooper 1944-4-8 1069 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  UCR110998  Delphinium parishii subsp. parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR86246  Delphinium parryi Jeri Hirshberg 1995-5-27 s.n. Riverside San Jacinto Mtns., Garner Valley, edge of meadow c. 50 m west of Fobes [Ranch] Road 1366 Comment
  UCR107818  Delphinium parryi subsp. parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  SD212680  Dendromecon rigida Jennifer H. Jones, Teresa Bui et al 2006-5-31 344 Riverside San Jacinto Mountains: just down Mt. Edna Road West off of CA Highway 243 1146 Comment
  RSA0013137  Deschampsia danthonioides LeRoy Gross, Caitlin Elam 2013-5-14 6076 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
  RSA752789  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  POM14442  Deschampsia danthonioides var. gracilis P. A. Munz, I. M. Johnston 1922-5-19 5377 Riverside Menifee Valley. 412 Comment
  RSA740249  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside Johnson Meadow. 1439 Comment
  CAS-BOT-BC43198  Descurainia pinnata subsp. brachycarpa H. M. Hall 1898-7-22 1053 Riverside San Bernardino Mountains. Comment
  CAS-BOT-BC43352  Descurainia pinnata subsp. glabra Geo. B. Grant 1906-4-20 6767 Riverside Palm Springs. Comment
  JOTR37758  Descurainia pinnata subsp. glabra Hodges, Stephen R. 2016-2-29 714 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  RSA741111  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-17 12161 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC402293  Dicentra chrysantha Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Station, near Temecula 365 Comment
  UC501622  Dicentra chrysantha Frank W. Peirson 1924-7-29 5025 Riverside Banning-Idyllwild Road; San Jacinto Mts. 1767 Comment
  UCR260839  Dichelostemma capitatum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41514 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  RSA367459  Dichelostemma capitatum subsp. capitatum Gale Sphon 1955-5-7 s.n. Riverside Horsethief Canyon, Santa Ana Mtns., Comment
  RSA522731  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, S. Boyd 1990-3-29 3836 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  POM123020  Dicoria canescens Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  SFV9394  Dicoria canescens M. L. Vincent, R. H. Swade 1963-10-19 464 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCSB42210  Dicoria canescens Roos, John; Roos, Lucille 1957-11-30 Riverside 6 miles N.W. of Thousand Palms, Coachella Valley 152 Comment
  UCR201018  Digitaria sanguinalis Scott D. White, Justin M. Wood 2008-9-17 12539 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  SD128720  Diplacus bigelovii var. bigelovii Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  SEINET269429 Image available Diplacus bigelovii var. bigelovii John Wear 1995-1 Riverside Colorado Desert; wash along Eagle Mountain Road north of I-10 near Desert Center Comment
  RSA0019414  Diplacus fremontii J. T. Howell 1927-8-2 562 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  SD132281  Diplacus longiflorus Narca A. Moore-Craig 1984-4-5 Riverside San Jacinto State Wildlife Area appx 2 mi N of Lakeview. About 0.5 mi E of headquarters on Davis Rd. 505 Comment
  JOTR37430  Ditaxis lanceolata Hodges, Stephen R., T. Hender 2015-12-29 552 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  RSA677302  Ditaxis lanceolata P. A. Munz, D. D. Keck 1922-4-13 4945 Riverside Eagle Mountains. 244 Comment
  RSA701164  Ditaxis lanceolata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11225 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
  RSA776941  Ditaxis lanceolata Amber Swanson 2011-3-19 234 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  JOTR28957  Ditaxis neomexicana La Doux, Tasha 2005-3-30 1193 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA0021557  Ditaxis neomexicana Duncan S. Bell, Aaron Sims 2012-3-10 2044 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  POM265126  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  RSA155552  Dithyrea californica L. S. Rose 1962-3-2 62003 Riverside La Quinta 3 Comment
  RSA530740  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Palm Springs Station; Colorado Desert 400 Comment
  RSA676143  Dithyrea californica Scott D. White 2001-4-12 8301 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA79155  Dithyrea californica P. A. Munz 1952-5-2 16251 Riverside 2 miles west of Desert Hot Springs 183 Comment
  CAS-BOT-BC412633  Dodecahema leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  RSA66561  Draba cuneifolia var. integrifolia F. W. Peirson 1920-2-16 2326 Riverside Palm Canyon Creek near Palm Springs. Comment
  RSA613128  Draba verna D. L. Banks 1997-3-6 1398 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  RSA82946  Drymocallis glandulosa R. M. Straw 1953-6-5 454 Riverside Fuller Mill Creek Camp, on Idyllwild to Banning Rd. Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR252215  Dudleya lanceolata J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  SEINET3089228  Dudleya saxosa Bruce A. Beebe 1970-1 Riverside Comment
  RSA0041836  Dudleya saxosa subsp. aloides E. S. Spalding s.n. Riverside E of Banning. Comment
  SEINET3071476  Echinocereus mojavensis Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17494 Riverside Queen Mountain quadrangle, zone 11 0585753mE 3764902mN NAD83, 300m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill 1360 Comment
  UCD61060  Echinochloa muricata var. microstachya H. S. Yates 1937-6-27 6707 Riverside San Jacinto, near Relief Hot Springs. 457 Comment
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Mar 13 2011
  SEINET3082987 Image available Echinocystis macrocarpa Norman C. Cooper 1947-4-4 2026 Riverside Los Alamos Canyon, Elsinore. Comment
  UCR110376  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23117 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR114333  Ehrharta erecta Mitch Provance 1998-7-23 922 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR182095  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  UCR110455  Elatine chilensis D. E. Bramlet 1998-4-22 2605 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  SEINET3910445  Eleocharis acicularis Faulkner 1978-3-21 354 Riverside 9 miles No. of Blythe Highway 95.; 0 152 Comment
  UCR15634  Eleocharis acicularis var. acicularis George K. Helmkamp 1978-6-1 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, vernal pool 7 mi [west] of Murrieta near the origin of DeLuz Creek 671 Comment
  RSA92084  Eleocharis bella F. W. Peirson 1921-5-20 3028 Riverside About 1 mile below Kenworthy, Hemet Valley 1387 Comment
  CAS-BOT-BC112745  Eleocharis geniculata A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi below trout farm, above Bonnie Bell. 548 Comment
  SDSU21795  Eleocharis macrostachya Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3982 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  SEINET3127287  Eleocharis macrostachya W. B. Crockatt sn Riverside Prado 91 Comment
  SEINET998791  Eleocharis macrostachya Mitch Provance 2005-1 6568 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site boreder along the NW by Pierce St. and on the N by Aberhill Creek, with Baker St. more or less bisecting the collection site. (Lake Elsinore 7.5' Q) 396 Comment
  UC489185  Eleocharis macrostachya C. V. Meyer 1928-7-30 580 Riverside Saunders Meadow Ssouthern California, San Jacinto Mountains 1676 Comment
  RSA526161  Eleocharis montevidensis Steve Boyd, Timothy S. Ross 1990-5-11 4664 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA356757  Eleocharis palustris Robert F. Thorne 1973-5-23 45536 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  RSA612700  Eleocharis palustris Darin L. Banks 1997-3-29 1598 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD132491  Elymus condensatus Scott White 1990-10-2 Riverside Vail Lake area: Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR19371  Elymus condensatus John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  UC38180  Elymus elymoides subsp. elymoides H. M. Hall 1897-8-11 821 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  UC38265  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-1 1114 Riverside San Jacinto Mt. San Jacinto Mountains 1524 Comment
  RSA249846  Elymus glaucus subsp. glaucus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38111 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon 1677 Comment
  UC37038  Elymus trachycaulus H. M. Hall 1901-7-1 2541 Riverside Fuller's Mill Mts. San Jacinto Mountains 1798 Comment
  CAS-BOT-BC204299  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1901-7-1 2569 Riverside San Jacinto Mountains. Dark Canon [Canyon] Comment
  JEPS86533  Emmenanthe penduliflora Roy E. Buck 1988-4-1 870 Riverside 7 air km W Lake Elsinore (town) (E-facing slope above CA Hwy 74, near top of grade W of Lake Elsinore, ca 2.0 air km NW of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  RSA444571  Emmenanthe penduliflora Walter Wisura 1988-3-23 4215 Riverside In wash along trai aproaching 49 palms oasis, Joshua Tree National Comment
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Sep 7 2013
  UC880684  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi below Cottonwood Springs; Joshua Tree National Monument Comment
  UCSC000885  Emmenanthe penduliflora Peter Kamb 1948-4-11 875 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley 305 Comment
  UCR243171  Encelia actoni LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4345 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UC111183  Encelia californica F. M. Reed 1907-2-2 1211 Riverside near Prenda Station; Lincoln Heights Comment
  CAS-BOT-BC131339  Encelia farinosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  OBI16596  Encelia farinosa H. E. McMinn 1937-3-6 5017 Riverside About 40 mi N of Blythe; River rd Comment
  SBBG97296  Encelia farinosa Leota Davidson 1966-4-5 189 a Riverside ca. 2 mi beyond second intersection, Wiley Well Rd, off US Hwy 95, ca. 18 mi W of Blythe 243 Comment
  SD229084  Encelia farinosa Dick Schwenkmeyer 2012-11-6 872 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SD251190  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 22 Comment
  UCD131206  Encelia farinosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  SEINET9290926  Encelia farinosa Unknown 1965-3-13 65 -111 Riverside Riverside Comment
  POM356688  Encelia farinosa var. farinosa C. W. Tilforth 1967-2-11 101 Riverside Desert Hot Springs. 335 Comment
  POM356698  Encelia farinosa var. farinosa Norman C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  POM4944  Encelia farinosa var. farinosa Robinson, Crocker s.n. Riverside Elsinore Region; along edge of lake Comment
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Mar 15 2014
  JEPS30404  Encelia frutescens Donald Kyhos 1957-3-20 1 (57-3) Riverside Hwy 99 at north end Salton Sea Comment
  UCR147745  Encelia frutescens Steve Boyd, Et al. 2004-5-14 11263 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
  SEINET11836157  Encelia frutescens var. actoni L. S. Rose 1936-1 36802 Riverside San Jacinto Mts., Palms to Pines Highway, 17 mi SW of Indio 914 Comment
  JEPS49141  Ephedra W. L. Jepson and H. M. Hall 1901-5-22 1354 Riverside Palm Canyon and return to Van DeVenter's; Journey of W. L. Jepson and H. M. Hall from Riverside to Santa Rosa Peak and Palomar, Southern California Comment
  NY70188  Ephedra aspera L. M. Shultz 1985-4-10 8330 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15) 615.7 Comment
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Apr 5 2011
  RSA234110  Ephedra aspera Robert F. Thorne, R. Carolin 1967-3-21 41640 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  CAS-BOT-BC81545  Ephedra californica John Thomas Howell 1928-3-11 3409 Riverside East end of Morongo Valley, S. [Mohave] Mojave Desert 914 Comment
  LA6769  Ephedra californica J. A. Ewan; 1932-4-8 7047 Riverside San Bernardino Mountains, Whitewater Canyon, about 3 mi above mouth Comment
  PASA1843  Ephedra californica R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA509048  Ephedra californica Lyman Benson 1945-3-29 11639 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain 610 Comment
  SEINET7048065  Ephedra californica Steven R. Hill 2001-4-29 33542 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA383801  Ephedra nevadensis M. B. Dunkle 1935-3-31 4444 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  RSA678363  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  SD27998  Ephedra trifurca Carl B. Wolf 1932-4-29 Riverside 3 miles south of Rice on Blythe Road 214 Comment
  SBBG51153  Ephedra viridis N. R. Zabriskie, W. Zabriskie 1974-3-30 696 Riverside S of jct with North Cyn, Andreas Cyn Comment
  UCR281112  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517- 28 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
  CAS-BOT-BC171736  Epilobium canum subsp. latifolium Adele O. Merritt 1925-11-1 s.n. Riverside Palm Springs Comment
  RSA125973  Epilobium canum subsp. latifolium E. K. Balls 1957-11-4 22745 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  RSA448507  Epilobium canum subsp. latifolium N. R. Zabriskie 1969-11-8 239 Riverside Andreas Canyon near Palm Springs. 274 Comment
  RSA588530  Epilobium canum subsp. latifolium J. S. Stubblefield 1932-10-10 s.n. Riverside Near Colorado River. Comment
  RSA649939  Epilobium canum subsp. latifolium J. Sanders 1967-11-5 83 Riverside Found off R1 by Pine Flats a little ways South of the U.S. Agriculture Station. 1524 Comment
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Aug 16 2015
  SD193324  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek; 0.5 mile north of Tenaja Rd. 671 Comment
  UCR195130  Epilobium densiflorum A. C. Sanders, Tim Thomas 2008-8-1 35954 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR262247  Epilobium densiflorum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3736 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  OBI5914  Epilobium oregonense Carl B. Wolf 1932-8-5 3961 Riverside On trl from Tahquitz Valley to San Jacinto Peak head of a fork of Tahquitz Crk 2743 Comment
  RSA617990  Epilobium pygmaeum R. E. Riefner Jr. 1998-9-13 98 -476 Riverside Elsinore Trough; Wildomar. Comment
  RSA263778  Epipactis gigantea R. Weatherby 1950-5-18 2967 Riverside Hagador [Hagador Canyon]. 396 Comment
  UCR24195  Epipactis gigantea John C. Roos 1942-5-2 1129 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. South entrance, Cottonwood Spring 915 Comment
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Apr 5 2011
  CAS-BOT-BC58049  Equisetum G. B. Grant 1901-1-1 s.n. Riverside Strawberry Valley, San Jacinto. Comment
  UCR108391  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains, Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  UCR144133  Equisetum laevigatum Scott D. White 1998-7-31 6945 Riverside Peninsular Ranges; San Jacinto Mountains, Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Humber Park 1950 Comment
  UCR90283  Eragrostis lehmanniana Scott D. White 1995-7-7 3451 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA77199  Eremalche exilis F. W. Peirson 1914-04 2300 Riverside Whitewater at head of Coachella Valley. Comment
  RSA557369  Eremocarpus setiger Julie Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  JEPS48796  Eriastrum densifolium Marjorie D. Clary 1932-6-5 926 Riverside Dead Indian Trail west side Colorado Desert, Santa Rosa Mts. Comment
  SD229215  Eriastrum densifolium subsp. austromontanum Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 641 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UC106845  Eriastrum densifolium subsp. austromontanum C. R. Orcutt 1896-7-24 7 Riverside Hammett Valley San Jacinto Mts. Comment
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Dec 20 2009
  CAS-BOT-BC514317  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2935 Riverside Mt. San Jacinto on road to Hemet 1371 Comment
  UC1787348  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mountains: Thomas Mountain Road, 1.5 km west of Thomas Mountain Campground, both sides of road 1938 Comment
  CAS-BOT-BC514454  Eriastrum eremicum subsp. eremicum S. B. Parish 1894-6-14 3330 Riverside San Bernardino Mountains and their eastern base: Whitewater 343 Comment
  CAS-BOT-BC514471  Eriastrum eremicum subsp. eremicum K. Larson 1976-6-8 2041 Riverside 20 mi SW of Desert Center 609 Comment
  UCR120305  Eriastrum filifolium Mitch Provance 1997-5-18 1089 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
  RSA0120686  Eriastrum harwoodii Duncan S. Bell 2010-4-2 728 Riverside Arica Mountains: on east side of mountain range between the mountains themselves and Rice Valley; approximately 3.2 air miles southwest of the ghost town of Rice on the west side of Midland road (Rice-Blythe rd.). 245 Comment
  RSA0122951  Eriastrum sapphirinum subsp. dasyanthum D. L. Banks, Victor W. Steinmann 1995-7-10 0753 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. E of the major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  CAS-BOT-BC287641  Ericameria linearifolia Frank W. Peirson 1921-3-21 2380 Riverside Gordon Trail, E slope San Jacinto Mts 914 Comment
  RSA601090  Ericameria linearifolia A. C. Sanders 1996-5-1 18130 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  CAS-BOT-BC298872  Ericameria nauseosa var. bernardina Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts 2438 Comment
  POM39789  Ericameria palmeri var. pachylepis Marcus E. Jones 1900-7-6 s.n. Riverside Perris. Comment
  UCR151123  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  SD127547  Ericameria paniculata Reid Moran 1967-11-7 14648 Riverside 4 miles north of Palm Springs. 299 Comment
  RSA160568  Ericameria pinifolia J. D. Olmsted 1959-9-23 1008 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  UC55175  Ericameria pinifolia H. M. Hall 1902-4-8 2763 Riverside Thomas Valley San Jacinto Mountains, Thomas Valley 1371 Comment
  UC55177  Ericameria pinifolia Geo. R. Hall 1902-10-25 Riverside near Riverside Comment
  UC750615  Ericameria pinifolia Lewis S. Rose 1946-12-24 46309 Riverside 2 mi s Banning 762 Comment
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Mar 13 2011
  UCR100371  Ericameria pinifolia A. C. Sanders, T. Tennant 1997-11-14 21604 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon 854 Comment
  CLARK-A1528-1824  Erigeron foliosus John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  OBI16551  Erigeron foliosus Robert F. Hoover 1968-6-7 11156 Riverside Head of St. Johns Cyn Comment
  UCR116920  Erigeron foliosus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24224 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  CAS-BOT-BC296232  Erigeron foliosus var. foliosus Mrs. J. D. Abrams 1901-5-19 s.n. Riverside Elsinore Comment
  CAS-BOT-BC296247  Erigeron foliosus var. foliosus Peter H. Raven; R. Snow 1957-7-26 11083 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  CLARK-A1045-80  Eriodictyon crassifolium George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  RSA0034762  Eriodictyon crassifolium Norman C. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 304 Comment
  UCR898  Eriodictyon crassifolium var. crassifolium John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., 4 mi. SE of Banning on Hwy 243 915 Comment
  JEPS64  Eriodictyon trichocalyx M. Clary 1934-5-13 Riverside Santa Rosa Mountains 1524 Comment
  RSA0120005  Eriodictyon trichocalyx var. lanatum Duncan S. Bell, Thomas Stoughton 2016-4-13 9258 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UC1980061  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. Comment
  CLARK-A1528-5716  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  JEPS57094  Eriogonum apiculatum Carl V. Meyer 1928-7-26 527 Riverside near Roach Sawmill; San Jacinto Mt. Comment
  POM161538  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside Fuller's Mill. Comment
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Nov 11 2011
  UC1505525  Eriogonum apiculatum Reid Moran 1973-7-28 21108 Riverside summit of Toro Peak Santa Rosa Mts., Toro Peak 2500 Comment
  UC496521  Eriogonum apiculatum Philip A. Munz 1932-10-16 12846 Riverside road from Indio to Vandeventer Flat; Santa Rosa Mts. 1158 Comment
  SEINET3087074 Image available Eriogonum baileyi J. Hogan 1974-7-10 179 Riverside Upper Covington Flat barricade, Joshua Tree National Monument 1463 Comment
  RSA338175  Eriogonum brachyanthum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53581 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA613853  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley: Eastern foothills of valley (= ''Santa Rosa Hills''), S of Hemet. 550 Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  UC68582  Eriogonum deflexum var. deflexum H. M. Hall 1905-4-1 5953 Riverside Paloverde Valley Colorado Desert, Paloverde Valley 76 Comment
  UCR154381  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Mike Misenhelter 2005-6-15 30949 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
  UCR260543  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-5-29 8026 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  JEPS56954  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1928-4-25 12592 Riverside sides of wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  LA206858  Eriogonum fasciculatum var. foliolosum A. M. Johnson; August 1819 1932 4132 Riverside San Jacinto Mountains, along road Comment
  RSA393433  Eriogonum fasciculatum var. foliolosum Josephine Derigo 1941-7-21 s.n. Riverside Railroad Canyon, Elsenor. Comment
  CAS-BOT-BC250128  Eriogonum fasciculatum var. polifolium R. J. Barr 1964-11-29 64 -594 Riverside 10 miles West of Banning 762 Comment
  LA206788  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  LA206789  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA339070  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1980-5-28 54214 b Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA708051  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA739339  Eriogonum fasciculatum var. polifolium Keith E. Hoffmaster 1936-4-26 714 Riverside Box Springs grade. Comment
  UC1329836  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-21 765 Riverside Quartz Outcrop Joshua Tree National Monument, Quartz Outcrop 914 Comment
  UCR100436  Eriogonum fasciculatum var. polifolium B. G. Pitzer 1997-4-20 3195 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 Comment
  CAS-BOT-BC253494  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  UCR203961  Eriogonum gracile var. gracile Michael Wall 2008-10-6 494 Riverside Perris-Aguanga Basin, San Jacinto Valley, Bautista Road southeast of Hemet, Bautista Creek c. 6.0 mi southeast of Fairview Ave. 778 Comment
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Nov 18 2011
  RSA650879  Eriogonum inflatum Dick Crowell 1949-3-25 s.n. Riverside 15 miles east of Indio on Hwy 60. 1/2 mile off road. 457 Comment
  SBBG64001  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  UCR24321  Eriogonum maculatum John C. Roos 1958-9-28 s.n. Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  UC667355  Eriogonum nidularium Annie M. Alexander and Louise Kellogg 1941-5-15 2188 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  RSA783743  Eriogonum nodosum J. D. Olmsted 1959-8-18 792 Riverside Desert Sun School near Idyllwild; M[iddle] Fork San Jacinto River. 1646 Comment
  UC77632  Eriogonum reniforme C. R. Orcutt 1889-4-1 Riverside Colorado Desert Comment
  UC454076  Eriogonum saxatile I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA424955  Eriogonum thomasii Christopher Davidson 1979-4-4 7684 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UCD101289  Eriogonum thomasii Geoffrey Levin 1975-4-5 470 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernardino Mountains. Salton Sink Drainage area. 60 Comment
  JEPS56246  Eriogonum thurberi J. Ewan 1930-4-17 2201 Riverside between S.P. Railroad and Snow Creek Comment
  UC217964  Eriogonum thurberi P. A. Munz and I. M. Johnston 1922-5-19 5348 Riverside 5 mi ne Murietta 457 Comment
  UC849304  Eriogonum thurberi Lewis S. Rose 1937-4-9 37101 Riverside Palm Springs 137 Comment
  SD127319  Eriogonum umbellatum var. munzii Reid Moran 1973-7-28 21105 Riverside N slope of Santa Rosa Mts. 1780 Comment
  SEINET3085992 Image available Eriogonum wrightii H. Dearing, M. Dearing 1941-11-29 4775 Riverside Cathedral Canyon 6 miles East of Palm Springs Comment
  UCR89535  Eriogonum wrightii Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  RSA246  Eriogonum wrightii var. membranaceum J. T. Howell 1927-8-2 556 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA766279  Eriogonum wrightii var. membranaceum Joseph A. Ewan 1928-6-23 1520 Riverside Strawberry Valley, San Jacinto Mts. 1616 Comment
  CAS-BOT-BC298485  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs, Colorado Desert 150 Comment
  RSA264066  Eriophyllum ambiguum var. paleaceum Noel Holmgren, Patricia K. Holmgren 1975-5-11 7980 Riverside Kingston Range, 15 miles aboe Horse Thief Springs, 19 airline miles ESE of Tecopa. 1524 Comment
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Aug 25 2013
  CAS-BOT-BC297352  Eriophyllum confertiflorum Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  POM161197  Eriophyllum confertiflorum Hattie Wright 1929-7-25 s.n. Riverside Idyllwild, San Jacinto Mts. 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
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  LA203543  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1939-4-8 24 Riverside Santa Ana Mountains Comment
  POM358077  Eriophyllum multicaule E. Crow 1929-04 337 Riverside N of Alberhill. Comment
  UCR103909  Eriophyllum multicaule B. G. Pitzer 1997-4-11 3110 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  RSA444566  Eriophyllum pringlei Walter Wisura 1988-3-23 4210 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  CAS-BOT-BC296969  Eriophyllum wallacei Catherine A. Toschi 1963-4-11 63 :127 Riverside Porcupine Wash, Joshua Tree National Monument; sandy wash 762 Comment
  JOTR35462  Eriophyllum wallacei Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 65 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  RSA673511  Eriophyllum wallacei Scott D. White, Bill La Haye 2000-5-27 7941 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR177400  Eriophyllum wallacei Marisa Sripracha, K. A. Boyd 2004-3-22 071 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR227099  Eriophyllum wallacei Jim Andre 2011-2-2 16202 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR94242  Eriophyllum wallacei Scott D. White 1996-4-14 3907 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA680848B  Erodium botrys Scott D. White, Michael Honer 2003-4-2 8905 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  CDA35049  Erodium brachycarpum Scott D. White, Justin Wood 2008-3-25 11775 Riverside Perris/Elsinore Basin; Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon Morgan Property, Alberhill area. Comment
  UCR225596  Erodium brachycarpum A. C. Sanders, T. B. Salvato 2011-3-29 38878 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR139093  Erodium cicutarium Scott D. White 1997-5-18 5156 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR20740  Erodium cicutarium A. C. Sanders, Steve Boyd 1980-5-2 1421 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR89653  Erodium cicutarium Bern Schwenn 1994-3-23 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Hexie Mtns: E side of Pleasant Valley on south side of Mtns, along road between Hershey Mill Site and El Dorado Mine 976 Comment
  SD68954  Eryngium aristulatum var. parishii Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37572 Riverside Santa Rosa Plateau; Mesa de Colorado, Rancho California. 669 Comment
  RSA262083  Erysimum capitatum var. capitatum E. W. Lathrop 1968-5-22 6926 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA282905  Erysimum capitatum var. capitatum C. W. Tilforth, John Dourley 1980-7-15 2069 Riverside Along Thomas Mtn Road, south of Lake Hemet, W of Hwy 74. Comment
  RSA530203  Erysimum capitatum var. capitatum N. C. Cooper 1944-5-20 1227 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA0014889  Erythranthe tilingii P. A. Munz 1922-7-6 5992 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  RSA0022936  Eschscholzia androuxii F. R. Fosberg 1983-4-23 64169 Riverside Whitewater Bridge. Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 Comment
  HSC16762  Eschscholzia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23096 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  UC118511  Eschscholzia californica Charlotte M. Wilder June, 1905 651 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UC855149  Eschscholzia californica I. W. Clokey 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  UCR172715  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  UCR182313  Eschscholzia californica Mitch Provance 2003-4-5 6617 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  UCR98679  Eschscholzia californica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR279323  Eschscholzia glyptosperma A. C. Sanders, Jim Malusa 2017-3-23 42908 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCD94252  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 390 Riverside California. Riverside County: South side of I-10 in wash. 336 Comment
  UCR132615  Eschscholzia minutiflora Kent Beaman 1983-4-9 06 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Hwy 62 on north side of Indian Ave., end of Worsley Road 549 Comment
  UCR245964  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains, west side of range in main drainage, c. 2.5 air miles west of Priest Well, or c. 7 air miles SW of ghost town of Rice 420 Comment
  CAS-BOT-BC419617  Eschscholzia parishii Javier Penalosa 1962-4-10 2772 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC419632  Eschscholzia parishii J. C. Roos 1966-3-26 s.n. Riverside 2 miles S.E. of Desert Center Comment
  UC1202952  Eschscholzia parishii Peter H. Raven 1958-1-25 11478 Riverside Box Canyon Comment
  UCSB41507  Eschscholzia parishii Duke, Craig 1979-3-4 Riverside About 4 meters from roadway in Box Canyon Wash; along California 195; 12.5 miles east Valerie Jeans Date Shop 65 Comment
  RSA736788  Eucalyptus camaldulensis Scott D. White, Angelia Carey 2004-7-2 10599 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR89813  Eucalyptus camaldulensis Scott D. White 1994-1-27 1929 Riverside Murrieta 'California Oaks Detention Basin.' Intermittent 'blueline' stream west of Interstate Hwy 15 and south of Clinton Keith Road. Comment
  RSA0010857  Eucalyptus camaldulensis D. L. Banks 1997-3-29 1559 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD144470  Eucrypta chrysanthemifolia A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20700 Riverside San Jacinto Mtns: N side of range, Twin Pines Creek below the confluence with Brown Creek 854 Comment
  SEINET272340  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19900 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR260853  Eucrypta chrysanthemifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41419 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  POM264073  Eucrypta micrantha E. C. Jaeger 1941-3-23 s.n. Riverside Blythe, Colorado River bluffs. 524 Comment
  UC1122261  Eulobus californicus H. S. Yates 1937-3-23 6397 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  JOTR38518  Euphorbia abramsiana Harding, Mitzi, Kipp Callahan 2012-8-27 285 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR133322  Euphorbia albomarginata 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
  JOTR35154  Euphorbia eriantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3266 Riverside Joshua Tree National Park. West Cottonwood Mountains; side canyon feeding into east Pinkham Wash; steep, cobbley, east facing slope above bouldery canyon (Stop 5) Comment
  UCR175064  Euphorbia maculata Teresa Nieto 2005-5-26 30 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR264243  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  CLARK-A1656-787  Euphorbia misera Jon Mark Stewart 1982-3-20 Riverside San Gorgonio Pass 441 Comment
  UCR14422  Euphorbia ocellata subsp. ocellata A. C. Sanders 1974-9-18 0296 Riverside Riverside, Botanic Garden at U.C.R., Australian section near back fence 412 Comment
  UCR132715  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  POM312156  Euphorbia palmeri N. C. Cooper 1944-6-17 1397 Riverside San Jacinto Mts., Pine Cove. 1524 Comment
  UC455399  Euphorbia palmeri I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  RSA589758  Euphorbia polycarpa V. W. Steinmann, D. L. Banks 1996-4-20 845 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, just south of the summer cottage along the trail to the water treatment facility. 450 Comment
  UCR180056  Euphorbia polycarpa Mitch Provance 2005-5-18 9819 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
  UCR97280  Euphorbia polycarpa Scott D. White 1993-3-12 1167 Riverside Near Winchester 466 Comment
  POM122930  Euphorbia polycarpa var. hirtella Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  RSA432480A  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-7-15 1576 Riverside Palm Springs. 122 Comment
  UCR126434  Euphorbia polycarpa var. hirtella T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 51 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCD142865  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7467 Riverside Box Canyon, c. 9-10 mi NE of Mecca on Cal. 195. 243 Comment
  RSA612931  Euphorbia spathulata D. L. Banks 1997-3-29 1646 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
  RSA600227  Euphorbia supina L. C. Wheeler 1960-5-12 7702 Riverside Banning. Comment
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Mar 13 2011
  CAS-BOT-BC205628  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  SEINET3071532 Image available Fagonia laevis Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay & C. L. Sanders 1995-1 15922 Riverside Sonoran (Colorado) Desert; Coachella Valley, mouth of Fargo Canyon, Little San Bernardino Mtns., 1.2 mi. above junction with Aqueduct Road. 370 Comment
  UC2015539  Fagonia laevis A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15985 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR216493  Fagonia laevis Tasha La Doux, Jim Andre 2009-3-10 385 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR233184A  Fagonia laevis Jim Andre, Glenn L. Clifton 2011-2-22 17421 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCR277609  Fagonia laevis Aaron C. Sedgwick, Joella Adkins 2012-10-24 147 Riverside Sonoran (Colorado) Desert, Graham Pass Rd. in the Chuckwalla Mtns., c. 1 mile north of Graham Pass 421 Comment
  UCR91558  Fagonia laevis A. C. Sanders, A. Knapp, P. J. MacKay, L. Lubinsky, et al. 1995-2-12 15922 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of Fargo Canyon, Litthe San Bernardino mtns., 1.2 mi. above junction with Aqueduct Road. 367 Comment
  UCSB8693  Fagonia laevis Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  SEINET8564467  Fagonia laevis N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-3-20 6409 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  UCR101440  Festuca microstachys A. C. Sanders 1997-4-10 20333 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR20858  Festuca microstachys A. C. Sanders 1978-6-20 885 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR157944  Festuca myuros T. B. Salvato, A. C. Sanders 2005-5-17 913 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
  UCR22058  Festuca myuros Steve Boyd 1980-4-27 145 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR5908  Festuca myuros Leland E. Francois 1966-3-29 32966- 2 Riverside Riverside, SE corner US Salinity Laboratory property, located at the corner of 14th St. and Palm Ave. 290 Comment
  SEINET237139 Image available Festuca octoflora H. Hiad 1968-5-19 Riverside San Jacinto Mountains: Bautista Canyon above confluence with Horse Creek. (Blackburn Canyon) Plots Gand E. 878 Comment
  RSA387352  Filago arizonica Steve Boyd 1986-4-10 1642 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  RSA500099  Filago arizonica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA522755  Filago californica Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3862 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA782243  Fouquieria splendens R. W. Spjut 2008-2-29 16211 Riverside Sonoran Desert. BLM: Red Cloud Road just west of Desert Center, about 8 miles SE of I-10 along Red Cloud Road, Chuckwalla Bench 570 Comment
  SBBG69367  Fouquieria splendens M. N. Ackley -Feb-1926 359 Riverside Box Cyn 304 Comment
  SEINET2064328 Image available Fouquieria splendens John Adams 1965-5-9 202 Riverside Santa Rosa Mountains, Hwy 74, ca. 8 miles S of Palm Desert. 914 Comment
  UCR16771  Fragaria vesca subsp. californica Ed West 1972-5-5 07 Riverside San Jacinto Mtns, 17.4 mi from Banning on the Palms-to-Pines Hwy [Hwy 243], beside Fuller Mill Creek 1707 Comment
  UCD112796  Frangula californica subsp. tomentella A. C. Sanders 2004-6-20 28215 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Freeway, south of Clay Canyon Road. 305 Comment
  RSA0045508  Franseria dumosa William Blanchard 1932-4-16 s.n. Riverside Palm Springs Station. TR6. Comment
  SEINET6694603 Image available Fraxinus dipetala F. A. Thackery 1927-1 298 Riverside Banning Comment
  RSA559957  Fraxinus velutina Steve Boyd, Orlando Mistretta 1992-4-23 7068 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA614528  Fraxinus velutina A. C. Sanders 1994-10-6 1578 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  RSA342548  Fraxinus velutina var. coriacea Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54097 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA612476  Fritillaria biflora Darin L. Banks 1997-2-23 1341 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border. 402 Comment
  UCR65285  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3894 A Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  UCR260957  Funastrum cynanchoides var. hartwegii Duncan S. Bell 2013-1-30 4442 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  SEINET10580689  Funastrum hartwegii Harvey M. Hall 1899-8-10 Hall s.n. 1899 Riverside Riverside Comment
  JOTR35332  Funastrum hirtellum Harding, Mitzi, Mark Wheeler 2012-2-28 98 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  SEINET3076712 Image available Galium angustifolium B. Pitzer, H. Pitzer, J. Hall 1987-5-23 572 Riverside Whitewater Canyon, from N edge of fish hatchery to ca. 0.5 mi N of it; approximately 5.5 mi N of I-10 on Whitewater Canyon Rd. 732 Comment
  UC2015639  Galium angustifolium A. C. Sanders 1995-4-13 16483 Riverside San Bernardino Mtns./ Colorado Desert: Devil's Garden, E end of the mtns, 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. Comment
  RSA0011413  Galium angustifolium subsp. angustifolium Duncan S. Bell, Caitlin Elam 2013-5-21 4966 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  UC416636  Galium angustifolium subsp. angustifolium H. M. Hall 1896-9-2 325 Riverside San Jacinto Mountains Comment
  UC1929480  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  UCR147545  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 b Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA706289  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1280 -b Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  RSA586045  Galium nuttallii D. L. Banks, Steve D. Boyd 1995-3-15 77 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area N face of Agua Tibia Mtn., Dorland Mtn. area. 806 Comment
  JEPS44392  Galium parishii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4248 Riverside just below Toro Peak ((i.e., s of saddle e of peak), steep s-facing slope) 2499 Comment
  JEPS52942  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4242 Riverside 1 mi n Vista Grande Ranger Station (along hwy from Idyllwild to Banning); San Jacinto Mts. 1402 Comment
  RSA751277  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35628 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  POM301774  Galium stellatum J. Cole 1942-5-19 961 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  HSC66550  Galium stellatum subsp. eremicum Christopher Davidson 1979-4-4 7718 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  SDSU18661  Galium stellatum subsp. eremicum Michael G. Simpson, Kristen Hasenstab 2008-4-2 2949 Riverside Joshua Tree National Park. Ridge adjacent to wash, just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 945 Comment
  RSA192002  Gamochaeta ustulata E. W. Lathrop 1966-4-13 6167 Riverside 3 miles NW of Murrieta Comment
  UC511835  Garrya flavescens Frank W. Peirson 1933-4-13 10644 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  UCR274225  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  UCR208878  Garrya flavescens subsp. pallida W. E. Pequegnat 1941-1-11 s.n. Riverside Peninsular Range; Santa Ana Mtns., Indian Truck Trail 976 Comment
  CAS-BOT-BC158025  Garrya veatchii H. E. Parks; S. T. Parks 1938-2-17 24087 Riverside in chaparral, Palms to Pines Highway, San Jacinto Mountains 1524 Comment
  RSA601080  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen 1996-5-1 18121 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1098 Comment
  SEINET10453492  Garrya veatchii James S. Miller 1992-5-8 Miller 7464 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UC303652  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
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Nov 20 2011
  UC748987  Garrya veatchii Susan Delano McKelvey 1936-1-1 5049 Riverside turnoff to Anza (Palms to Pines Highway); San Jacinto Mts. Comment
  UCR25458  Gastridium ventricosum John C. Roos 1939-5-27 s.n. Riverside Reche Canyon Comment
  UCR26712  Gastridium ventricosum Frank C. Vasek 1980-6-10 800610- 02 Riverside Greenhouse at UC Riverside from clay collected in a vernal pool near San Diego, Calif. Comment
  UCR199714  Gaura sinuata Scott D. White, Justin Wood 2008-6-26 12292 Riverside Perris Basin, I-215 freeway just north of San Jacinto River crossing 431 Comment
  UC64495  Gayophytum diffusum subsp. parviflorum H. M. Hall May, 1899 Riverside El Toro Mt. San Jacinto Mountains 2042 Comment
  RSA667033  Genista monosperma Anne Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region: Orangecrest area of SE Riverside, 17120 Cole Ave. 518 Comment
  POM358674  Geraea canescens N. C. Cooper 1949-3-15 3172 Riverside 5 miles south of Palm Springs. 122 Comment
  RSA485836  Geraea canescens Thomas S. Elias 1988-2-26 10688 Riverside Northeastern section of Eagle Mtns E of Joshua Tree national Monument,Riverside County Comment
  RSA781908  Geraea canescens Duncan S. Bell 2010-5-1 900 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  SBBG60584  Geraea canescens Mrs. Ashcraft -- Riverside Palm Springs Comment
  UCR248429  Geraea canescens Duncan S. Bell 2011-12-30 3046 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  UC17150  Geranium californicum H. M. Hall Jul 1901 2336 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  RSA162827  Geranium richardsonii J. D. Olmsted 1959-7-1 722 Riverside Wellman s Cienega at intersection of trail and running water, 5miles NE of Idyllwild, San Jacinto Mts. Willow Tahquitz Creek. 2820 Comment
  RSA0112037  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35591 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1524 Comment
  RSA527861  Gilia angelensis Scott D. White 1991-5-10 91 -139 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA699842  Gilia angelensis Scott D. White, Michael Honer 8933 Riverside Temescal Canyon: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA768654  Gilia angelensis Justin M. Wood 2010-3-19 1427 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  SDSU18400  Gilia angelensis C. Matt Guilliams 2008-2-27 480 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 407 Comment
  UCR97490  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19891 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 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
  UCR81097  Gilia capitata Scott D. White 1993-5-29 1480 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  RSA263678  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1968-5-22 6929 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA483575  Gilia capitata subsp. abrotanifolia D. Charlton 1988-5-21 1972 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA526176  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross 1990-5-11 4678 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UC52831  Gilia diegensis H. M. Hall April, 1902 2913 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR165818  Gilia latifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  CAS-BOT-BC407801  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-19 1703 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  RSA0054864  Gilia peduncularis Keith E. Hoffmaster 1937-6-6 771 Riverside San Jacinto Mts. Comment
  RSA776341  Gilia scopulorum Duncan S. Bell 2010-3-20 639 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  UC1123761  Gilia stellata H. S. Yates 1937-3-24 6475 Riverside near mouth Deep Canyon; Thermal Quad., mouth of Deep Canyon Comment
  UC908859  Gilia stellata Herbert L. Mason 1928-3-11 4249 Riverside along road between Indio and Palm Springs (Colorado Desert); , btw Indio and Palm Springs Comment
  UCR114124  Gilia stellata B. G. Pitzer, J. Ross 1998-3-8 3608 .1 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  CDA7195  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mountains; Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. Comment
  UC69360  Glyceria striata H. M. Hall Jul 1901 2553 Riverside Fuller's Mills Mountains; San Jacinto Mts. 2042 Comment
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Aug 13 2006
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  RSA595704  Glycyrrhiza lepidota R. E. Riefner 1996-8-27 96 -152 Riverside North ca. 0.5 miles from Cajalco road., W side of Temescal Wash Comment
  UCR266906  Glycyrrhiza lepidota D. E. Bramlet 2005-5-24 3861 Riverside Perris-Aguanga Basin Region, Warm Springs Creek, west of I-15, between Golden Gate Circle and Nick Lane 323 Comment
  SDSU14083  Gnaphalium californicum Jonathan S. Austin, Michael G. Simpson 2002-4-20 12 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 338 Comment
  UCR65274  Gnaphalium canescens subsp. microcephalum Steve Boyd, O. Mistretta 1989-7-18 3765 Riverside Peninsular Range, Vail Lake Area, Temecula Creek Canyon 0.5 mi west of dam 421 Comment
  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
  UCR59779  Gnaphalium luteoalbum Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  RSA522097  Gnaphalium microcephalum Steve Boyd, Orlando Mistretta 1989-7-18 3765 Riverside Vail Lake Area, Temecula Creek Canyon 0.5 mi W of dam 421 Comment
  UCR34923  Gnaphalium stramineum L. B. Ziegler 1968-7-17 331 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  CAS-BOT-BC110313  Grayia spinosa S. B. Parish; W. F. Parish 1882-4-1 708 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA678115  Gutierrezia californica Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1061 -b Riverside Bautista Canyon, Bautista Canyon Road. 915 Comment
  CAS-BOT-BC302141  Gutierrezia sarothrae F. R. Irvine 1958-6-27 s.n. Riverside Soboba Indian Reservation Comment
  JOTR35238  Gutierrezia sarothrae Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  JOTR36389  Gutierrezia sarothrae La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3342 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  POM359228  Gutierrezia sarothrae Donald Myrick 1969-10-19 2126 Riverside Along Palms to Pines Hwy 74 above Palm Desert. 610 Comment
  POM42117  Gutierrezia sarothrae Marcus E. Jones 1900-7-13 s.n. Riverside Elsinore Comment
  RSA544383  Gutierrezia sarothrae Steve Boyd, Tim Ross 1991-6-14 6398 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR260513  Gutierrezia sarothrae T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7995 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  CAS-BOT-BC231106  Harpagonella palmeri D. E. Bramlet 1994-4-20 2370 Riverside Perris-Aguanga Basin region: Shipley Reserve, SE corner of Lake Skinner Co. Park, beside a large, ephemeral drainage S of the equestrian trail, approx 762 m SE of the park entrance road and 579 m NW of E Benton Road 518 Comment
  UCR59758  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3045 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  RSA0066617  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR124218  Helianthemum scoparium S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  RSA2830  Helianthemum scoparium var. aldersonii J. T. Howell 1928-7-8 1046 Riverside Santa Ana Mountains above Glen Ivy 1220 Comment
  RSA788961  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  CLARK-A1656-888  Heliotropium curassavicum subsp. oculatum Jim Cornett 1977-7-10 Riverside Thermal 0 Comment
  POM361594  Hemizonia fasciculata M. M. Thompson 1947-6-9 2085 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA500137  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3673 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR261270  Hemizonia kelloggii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41723 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  UCR82775  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15789 Riverside San Jacinto Mtns., N slope: south side of Twin Pines Road just west of the entrance to Twin Pines Ranch 1067 Comment
  IRVC29264  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Moreno Valley 534 Comment
  UCR132884  Hemizonia pungens subsp. laevis Tom Paulek 2002-5-19 s.n. Riverside San Jacinto Wildlife Area, Headquarters Ponds 433 Comment
  UCR148720  Hemizonia pungens subsp. laevis B. L. Jones 2003-5-29 s.n. Riverside Lake Elsinore area, just N of the intersection of Corydon Rd. and Grand Rd 393 Comment
  UCR213883  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  RSA586871  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-5-3 0290 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
  UCR58685  Heteromeles arbutifolia James C. Dice, Ruth Miller 1987-11-23 754 Riverside Peninsular Range, Santa Margarita Ecological Reserve. Temecula Gorge, N bank of Santa Margarita River, just east of aqueduct crossing 244 Comment
  UC1979599  Heterotheca grandiflora D. L. Banks, Steve Boyd 1995-10-17 0770 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. Comment
  RSA0075889  Heterotheca grandiflora James C. Dice, J. DeWald 1987-9-28 729 Riverside North side of Temecula Gorde, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. 330 Comment
  CAS-BOT-BC312336  Hieracium albiflorum Edmund C. Jaeger 1921-6-29 s.n. Riverside Idyllwild, San Jacinto Mts. 1584 Comment
  SD185089  Hilaria rigida John F. Green 2005-2-2 Riverside 3.0 miles east of Desert Beach. 24 Comment
  RSA0040034  Hilaria rigida W. Marquart 1938-3-12 s.n. Riverside Mule mts. south of Chuckwalla range. Comment
  SD215519  Hoffmannseggia glauca W. Wisura, J. Dolan and M. Wall 1992-3-25 4646 Riverside Ford Dry Lake north of I-10 at Hopkins Well. Comment
  CAS-BOT-BC207949  Hoffmannseggia microphylla Carl B. Wolf 1932-4-26 2978 Riverside COLORADO DESERT. 5 MI. E. OF MECCA, ON BLYTHE ROAD 30 Comment
  SBBG51122  Hoffmannseggia microphylla N. R. Zabriskie 1973-7-11 561 Riverside SE of Pack Rat Hill, Deep Cyn drainage 304 Comment
  UCR113935  Holcus lanatus Mitch Provance, A. C. Sanders 2000-7-4 2102 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA263653  Holodiscus discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 mi. west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1372 Comment
  RSA561056  Holodiscus discolor Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7357 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA740790  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside Johnson Meadow 1415 Comment
  UCR174461  Hordeum intercedens A. C. Sanders, John F. Green 2006-5-18 32378 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  UCR162936  Hordeum marinum subsp. gussoneanum Fred M. Roberts, D. E. Bramlet 2005-4-1 6144 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
  UCR91887  Hordeum murinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18043 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA500089  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3222 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  SEINET259013 Image available Hordeum vulgare subsp. spontaneum B. L. Johnson Riverside CULTIVATED ; CULTIVATED at Riverside; seed collected at Curia Cypress [?Cyprus]. Comment
  RSA6010  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UC12391  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  CAS-BOT-BC55488  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  UCSB26717  Hulsea heterochroma Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along Riverside County Road R1, 7.0 miles northeast of Idyllwild, San Jacinto Mtns. 1645 Comment
  RSA507957  Hulsea vestita subsp. callicarpha Steve Boyd, Carol Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2275 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC90384  Hulsea vestita subsp. callicarpha A. W. Anthony 1895-7-5 Riverside San Jacinto Mountains 2743 Comment
  CHSC362  Hymenoclea salsola E. Thomas 1940-3-3 Riverside Salton Sea. -73 Comment
  POM361066  Hymenoclea salsola T. L. Secrest 1950-3-13 s.n. Riverside Near Salton Sea. Comment
  POM361071  Hymenoclea salsola M. B. Dunkle 1937-3-25 4946 Riverside Colorado Desert. Shaver's Well Comment
  UCR133378  Hymenoclea salsola Mitch Provance, J. S. Ross 1998-3-27 MOR- 990 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  JOTR32364  Hymenopappus filifolius var. lugens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2479 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Loamy, gravelly slope in saddle below the summit (Stop 4) Comment
  JOTR29276  Hymenoxys cooperi La Doux, Tasha 2005-8-17 1546 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland Wash; north of Wall Street Mill parking area 1316 Comment
  UCR114306  Hypochaeris glabra Julie A. Greene 1993-4-30 1264 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  UCR98678  Hypochaeris glabra S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  JEPS63225  Hyptis emoryi W. L. Jepson 1914-5-18 6016 Riverside near Pinyon Well (<not> Cottonwood Mts. = Conchilla Mts.); near Pinon Well <not> Cottonwood Mts. = Conchilla Mts. 457 Comment
  RSA38873  Hyptis emoryi E. A. Purer 1933-3-25 4980 Riverside Palm Springs. Comment
  RSA797603  Hyptis emoryi Robert F. Thorne, Walter Wisura 1977-9-17 50764 Riverside San Jacinto Mountain: Chino Canyon along road to tramway Comment
  SD38548  Hyptis emoryi Edith Purer 1935-4-21 6464 Riverside Eastern slope of Mt. San Jacinto, Near Palm Springs Comment
  UC484148  Hyptis emoryi Carl B. Wolf 1930-4-1 1498 Riverside near Cathedral City 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
  SEINET12277044  Hyptis emoryi L. S. Rose 1936-1 36791 Riverside Palm Canyon Wash 152 Comment
  SEINET13948478 Image available Hyptis emoryi Carl B. Wolf 1932-1 2984 Riverside Colorado Desert. 8 mi E of Mecca on Blythe Road. Ca 300 ft alt 91 Comment
  RSA619794  Isocoma menziesii A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley; west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. 459 Comment
  UCR4003  Isomeris arborea Val Chase 1965-2-22 4 a Riverside Western Colorado Desert, 6 mi west of Desert Hot Springs on the road W toward Whitewater 518 Comment
  SEINET5449394 Image available Isomeris arborea Richard Carter 1984-12-26 3886 Riverside Near entrance to joshua Tree Nat'l. Monument; immediately N. of I 10 Comment
  CAS-BOT-BC229028  Iva axillaris A. C. Sanders; T. B. Salvato 2012-4-27 40096 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  UCR121889  Iva axillaris Ian G. Gillespie 2001-5-7 78 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  RSA227711  Jepsonia parryi Gary D. Cromwell 1972-2-15 710 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 Comment
  RSA0097765  Juglans californica Marc A. Baker, Michelle Cloud-Hughes 2015-7-7 18400 Riverside San Gorgonio River, 2 km south of Cabazon, 2.6 km NNW of Hurley Flat, 26 km WNW of central Palm Springs. 510 Comment
  UCD110257  Juglans californica Robert F. Thorne; Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60641 Riverside Santa Rosa Plateau: Santa Rosa Ranch headquarters. 563 Comment
  UCR27000  Juglans californica E. W. Lathrop 1966-5-8 6419 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  POM171413  Juncus acutus subsp. leopoldii I. M. Johnston 1930-6-15 3791 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 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
  UCR172217  Juncus bufonius John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  RSA520947  Juncus macrophyllus Steve Boyd, David E. Bramlet 1988-10-8 2872 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  UCR266359  Juncus mexicanus D. E. Bramlet 2005-6-28 3883 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR207678  Juncus rugulosus G. R. Ballmer 2005-12-3 s.n. Riverside Transverse Range; San Bernardino Mtns., Whitewater River Canyon 610 Comment
  RSA543621  Juncus tiehmii Steve Boyd 1991-5-7 6156 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 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
  POM6497  Juniperus californica I. M. Johnston 1918-5-30 s.n. Riverside Between Elsinore and Perris. 548 Comment
  UCR233155A  Justicia californica Jim Andre, Glenn L. Clifton 2011-2-22 17456 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM305376  Keckiella antirrhinoides Henry J. Ramsey, Henry J. Ramsey 1938-5-4 642 Riverside Elsinore Comment
  UCR113126  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR241571  Keckiella antirrhinoides A. C. Sanders 2013-4-16 40803 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  LA209340  Keckiella antirrhinoides subsp. microphylla Michael Neuman; 1984-3-25 34 Riverside Palms to Pines Highway, Sugarloaf Mountain S of Palm Desert 1300.0 Comment
  NY786548  Keckiella antirrhinoides var. antirrhinoides S. D. Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 670.6 Comment
  NY786549  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1996-5-2 931 -A Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the southeast of the gate to the Preserve. 448.1 Comment
  CAS-BOT-BC235773  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  POM11201  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-6 6027 Riverside Between Tahquitz Valley and Round Valley. 2287 Comment
  UC27502  Keckiella rothrockii var. jacintensis H. M. Hall 1901-6 2588 Riverside Tauquitz Valley; San Jacinto Mountains 2499 Comment
  UCR125203  Kochia scoparia Mitch Provance 1998-5-27 546 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  POM353056  Koeleria macrantha N. C. Cooper 1944-3-24 1044 Riverside Banning. 701 Comment
  RSA291549  Koeleria macrantha C. W. Tilforth, J. Dourley 1980-7-15 2073 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  RSA585503  Koeleria macrantha D. L. Banks, Steve Boyd 1995-5-9 0364 B 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
  CAS-BOT-BC61428  Krameria bicolor E. H. Daniels; J. Bates 1932-6-5 s.n Riverside Palm Springs, Colorado Desert 137 Comment
  UC604869  Krameria erecta Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9560 Riverside in wash 1 mi below Cottonwood Springs; below Cottonwood Springs Comment
  RSA408613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  UCR120968  Krameria grayi Jennie Phui 1998-6-3 105 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  RSA0056399  Krameria grayi James R. Shevock 1971-5-8 1034 Riverside Near ranger Sta., Joshua Tree Nat'l. Mon. 1036 Comment
  CLARK-A1528-1358  Krameria parvifolia var. imparata John C. Roos 1946-9-14 3006 Riverside San Jacinto Mountains 1066 Comment
  POM248405  Lactuca serriola Philip Crow 1939-07 8 Riverside Blythe. Comment
  RSA741018  Lamium amplexicaule Scott D. White, Justin M. Wood 2008-6-18 12235 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA469608  Langloisia setosissima subsp. setosissima Robert Gustafson 1983-3-27 2482 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA480076  Langloisia setosissima subsp. setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA329549  Larrea tridentata Gary D. Wallace 1966-3-26 266 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  RSA390014  Larrea tridentata Christopher Davidson, B. Gustafson 1977-4-7 5568 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  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
  UCR214854  Larrea tridentata Bao Doan 2010-5-31 08 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  UCR272875  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot, Forrest D. Freund 2015-4-1 071 Riverside Sonoran (Colorado) Desert, Coachella Valley, Santa Rosa Mountains, suth of La Quinta, north of Devil Canyon, 2.5 miles west of Lake Cahuilla 136 Comment
  CAS-BOT-BC412765  Lastarriaea coriacea Steve Boyd 1986-4-19 1697 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  SDSU21595  Lastarriaea coriacea Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd. 2010-6-20 73 Riverside Palomar mountain range foothills, north-eastern slop of the range, valley: crossing of Woodchunk Road and 79 Highway. Comment
  CAS-BOT-BC353281  Lasthenia coronaria H. M. Hall 1902-4-1 2897 Riverside Vicinity of Winchester, near Sage 457 Comment
  RSA33555  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  RSA583752  Lasthenia coronaria Steve Boyd 1995-4-24 8479 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail southeast of its junction with the Dripping Springs Trail. 609 Comment
  RSA699812  Lasthenia coronaria Scott D. White, Michael Honer 2003-4-4 8939 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR97899  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  POM13768  Lasthenia gracilis P. A. Munz 1922-4-29 5088 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR113182  Lasthenia gracilis A. C. Sanders 1998-3-11 21665 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  RSA406615  Lathyrus vestitus Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  SD8722  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-1 Riverside Temecula Comment
  SDSU14267  Lathyrus vestitus var. alefeldii Ryan Jacobson, Jeremy Mass 2000-4-19 8 Riverside Santa Margarita Ecological Reserve. Near west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  UC864430  Lathyrus vestitus var. vestitus P. A. Munz and I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  UCR134331  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut 259 Comment
  CAS-BOT-BC320799  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  UCR62095  Layia glandulosa G. R. Ballmer 1990-5-5 s.n. Riverside San Jacinto Mtns. Foothills, SE boundary of the San Jacinto Potrero land grant, just north of the Colorado River aqueduct, where road crosses creek at mouth of unnamed canyon to east Comment
  UCR228249  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-4-1 38933 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR25780  Layia platyglossa John C. Roos 1952-4-13 5525 Riverside Box Springs Mtns, above Canyon Crest Heights 488 Comment
  RSA741224  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR113898  Lepidium chalepense Mitch Provance 1998-4-13 430 Riverside City of Riverside, Vacant lot on Arlington Ave., between Hillside and Phoenix. 232 Comment
  RSA594782  Lepidium densiflorum var. ramosum D. L. Banks, Dylan Hannon 1996-5-3 976 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
  CLARK-A1528-2319  Lepidium dictyotum John C. Roos 1950-3-18 4712 Riverside 457 Comment
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Jan 30 2016
  POM266071  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottomwood Springs. Comment
  POM13889  Lepidium lasiocarpum P. A. Munz, D. D. Keck 1922-4-9 4821 Riverside Colorado Desert: so. base of Eagle Mtns. 3 mi. no. east of the Hayfields. Comment
  RSA429928  Lepidium lasiocarpum Martha Hilend 1928-3-11 s 101 Riverside Morongo Pass, Colorado Desert region. Comment
  SBBG34199  Lepidium virginicum T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  SD51952  Lepidium virginicum var. pubescens Reid Moran 1962-7-7 9863 Riverside Strawberry Creek, 2 miles southeast of Idyllwild, San Jacinto Mountains 1550 Comment
  RSA614545  Lepidium virginicum var. robinsonii A. C. Sanders, Waines, Ehdaie Aryavand 1997-3-12 19881 Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR256804  Lepidium virginicum var. robinsonii T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7864 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  RSA514321  Lepidospartum squamatum Reid V. Moran 1967-11-7 14644 Riverside 7 mi west of Radec. 400 Comment
  UCR138590  Lepidospartum squamatum D. L. Banks 1996-11-7 1220 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. Along the main road in the Reservation, c. 10 m west of the Pechanga Tribal Center 367 Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  UCR78662  Leptochloa uninervia Scott D. White 1992-9-11 796 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  UC1018188  Leptodactylon californicum J. Warren 1952-3-16 Riverside summit Ortega Highway; summit of Ortega Highway 762 Comment
  UCR117343  Leptodactylon californicum Mitch Provance 1998-3-20 249 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  POM364531  Leptosiphon ciliatus N. C. Cooper 1944-6-17 1396 Riverside San Jacinto Mts., Pine Cove. 1524 Comment
  RSA263686  Leptosiphon floribundus E. W. Lathrop 1968-5-22 6927 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR268304  Leptosiphon liniflorus Jim Andre 2012-6-15 30516 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  RSA92574  Leptosiphon pygmaeus subsp. pygmaeus J. C. Roos 1952-5-7 5619 Riverside Box Springs Mountains, north of Canyon Crest Heights 488 Comment
  UCSB9519  Leptosyne douglasii Wedberg, H. 1957-3-22 Riverside State Hwy. 71, Alberhill Comment
  UCR113192  Lessingia filaginifolia A. C. Sanders 1998-1-15 21631 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  POM197771  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2909 Riverside Idyllwild, near Strawberry Valley. San Jacinto Mts. Comment
  RSA198977  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Philip A. Munz 1968-5-8 37569 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  POM12424  Lilium parryi Philip A. Munz 1922-9-6 6370 Riverside Meadow N of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  UCR224046  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  RSA655086  Limonium perezii Scott D. White 1999-11-12 7633 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UCR79274  Linanthus androsaceus subsp. luteolus Steve Boyd, T. S. Ross 1992-5-5 7241 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 793 Comment
  UC1537459  Linanthus aureus Gordon H. True Jr. 1935-4-10 222 Riverside Box Springs Sycamore Canyon 365 Comment
  UC604858  Linanthus aureus subsp. aureus Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9528 Riverside 2 mi from Cottonwood Springs; Cottonwood Mts. Comment
  RSA468465  Linanthus californicus E. Crow 1929-3-17 188 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR263474  Linanthus ciliatus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35590 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  UCR227588  Linanthus dianthiflorus Duncan S. Bell, Valentin Arvizu 2010-5-24 1106 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  POM364584  Linanthus dianthiflorus subsp. dianthiflorus Christopher Davidson 1973-4-1 1830 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA407739  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCSB42105  Linanthus filiformis Roos, John 1958-3-15 Riverside 3 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  UCR93839  Linanthus parviflorus Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro Comment
  RSA468524  Linanthus pungens Anstruther Davidson 1896-07 s.n. Riverside San Jacinto Mtns. Comment
  HSC86138  Linum lewisii B. Freeman 1969-6-14 6906143 Riverside University of California James Reserve, San Jacinto Mtns., E of James House. Comment
  UCR60245  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  CAS-BOT-BC342105  Logfia arizonica Steve Boyd 1986-5-7 1825 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  SD237337  Logfia arizonica Dave Silverman, Onkar Singh 2010-3-25 7843 Riverside UTM in Supplement. 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. 150 Comment
  UCR88306  Logfia arizonica A. C. Sanders, Karin Cleary-Rose 1995-4-5 16375 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  JOTR28878  Logfia depressa La Doux, Tasha, Bill Truesdell 2004-3-11 1036 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  SD140195  Logfia filaginoides Scott White 1993-4-22 1253 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR273660  Logfia filaginoides Mitch Provance 2001-4-19 17016 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  UCR84658  Logfia filaginoides Scott D. White 1994-4-21 1993 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SEINET1869744 Image available Lolium multiflorum Walter Graves 2002-1 602 -4 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  RSA512171  Lolium perenne Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  UCR54311  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR54314  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR207622  Lolium perenne subsp. multiflorum O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR160934  Lomatium A. C. Sanders 1994-5-30 14598 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA747870  Lomatium lucidum Justin M. Wood 2009-5-11 699 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA296143  Lonicera interrupta B. A. Prigge 1980-8-18 3967 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  UCR54454  Lonicera subspicata A. C. Sanders, E. J. Lawlor 1988-10-22 8733 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  RSA667006  Lotus argophyllus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24195 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  RSA784831  Lotus crassifolius J. D. Olmsted 1958-6-15 170 Riverside M. fk. San Jacinto River: 1 mi above intersection of Beartrap Canyon with Strawberry Creek by Idyllwild School of Music and the Arts. 1616 Comment
  SEINET3101909  Lotus crassifolius Marc A. Baker, with Michelle Cloud-Hughes 2011-6-13 17381 Riverside San Jacinto Mountains, 1km north of Idyllwild, 2km WSW of Suicide Peak Comment
  CSUSB1187  Lotus hamatus Annette Price 1962-5-8 091 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  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
  RSA0029411  Lotus heermannii John F. Emmel 1995-9-24 1392 Riverside Santa Rosa Mts: open area on flat ridge top 0.9-1.0 air mi ESE of Toro Peak. 2287 Comment
  POM2656  Lotus nevadensis var. nevadensis L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  RSA406728  Lotus nevadensis var. nevadensis N. C. Cooper 1944-6-16 1445 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA627510  Lotus oblongifolius Scott D. White 1998-7-31 6953 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  LA47937  Lotus oblongifolius var. oblongifolius Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Idyllwild Comment
  JOTR30144  Lotus rigidus La Doux, Tasha 2008-2-4 1710 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  SFV21861  Lotus rigidus J. R. Pucci 2001-4-13 18 Riverside Santa Rosa Mountains Highway 74 near Pinyon Flat Campground. 1220 Comment
  UCR167793  Lotus salsuginosus T. B. Salvato, Melissa Clemons 2005-6-23 1320 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA406831  Lotus salsuginosus var. brevivexillus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  CDA28902  Lotus scoparius Mike Lahti 2009-4-28 PDR# 1501679 Riverside San Jacinto, 950 North Ramona Boulevard near State Street. 0 Comment
  UCR137561  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-5 27760 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  JOTR31043  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  POM1874  Lotus scoparius var. brevialatus H. M. Hall 1902-04 7473 Riverside Vicinity of Riverside 427 Comment
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Aug 19 2010
  RSA498847  Lotus scoparius var. scoparius G. R. Johnstone 1934-3-27 18576 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CSUSB1197  Lotus strigosus Kheng Try Seng 1966-3-27 660327 12 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  JEPS37402  Lotus strigosus W. L. Jepson 1901-5-24 1426 a Riverside Van de Venter's Ranch 1493 Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR120648  Lotus strigosus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1793 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 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
  UCR251713  Lotus strigosus T. B. Salvato 2014-4-9 7836 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR138580  Lotus strigosus var. tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1434 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  RSA49387  Lotus tomentellus P. A. Munz 1949-4-12 13025 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  RSA736761  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA0042691  Lupinus Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1704 Riverside Cabazon. Comment
  CAS-BOT-BC198361  Lupinus albifrons unspecified 1998-4-13 6027 Riverside Hill behind Sunrise road, Banning Comment
  JEPS64940  Lupinus arizonicus S. B. Parish 1920-3-25 20021 Riverside Murray Canyon Colorado Desert, Palm Springs (Palm Springs, Southern California) Comment
  RSA86946  Lupinus arizonicus F. W. Peirson 1920-3-16 703 Riverside Sandy places opposite mouth of Andreas Canyon, Southwest of Palm Springs. Comment
  UCR102714  Lupinus arizonicus B. G. Pitzer 1998-1-24 3399 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR165640  Lupinus arizonicus John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR213387  Lupinus arizonicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37446 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR224994  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside Sonoran (Colorado) Desert, East flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  UCSB3266  Lupinus arizonicus Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center, on U.S. Highway 60-70 Comment
  SEINET10488557  Lupinus arizonicus David Charlton 1988-2-18 Charlton 1194 Riverside Alluvial fan, s side of little san bernardino mtns. Fargo canyon road to Cottonwood wash, s of joshua tree national park, parallel to i-10. Creosote Bush scrub. 5 Miles e of jct. Dillon rd. And fargo cyn rd. Stable and disturbed Upper bajada with encelia, larrea. Common blue-flowered 1' annual on upper Bajada 762 Comment
  POM305804  Lupinus bicolor Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1055 Riverside Elsinore. Comment
  UC138029  Lupinus bicolor C. F. Baker 1904-4-5 4100 Riverside Hemet Comment
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Jul 4 2010
  POM350066  Lupinus bicolor subsp. microphyllus N. C. Cooper 1945-5-24 1622 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SBBG35807  Lupinus concinnus D. Myrick 1966-4-2 1337 Riverside Mtn View Rd ca. 5 mi S of Desert Hot Springs Comment
  SD144460  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Balck Mtn, along the road. 518 Comment
  UCR214885  Lupinus concinnus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37675 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
  POM12633  Lupinus concinnus subsp. optatus Philip A. Munz, I. M. Johnston 1922-5-19 5402 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  POM12635B  Lupinus densiflorus var. densiflorus Philip A. Munz 1922-4-30 5102 Riverside Dripping Spring near Temecula Creek. Comment
  SD181515  Lupinus excubitus Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa ana Mountains/Santa Rosa Plateau, near Squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. 640 Comment
  UCR110961  Lupinus excubitus George K. Helmkamp 1998-6-27 4089 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA91205  Lupinus excubitus var. hallii F. W. Peirson 1929-5-4 8339 Riverside 2 miles north of Aguanga, South of Hemet. 549 Comment
  POM11039  Lupinus formosus H. M. Hall 1901-06 2214 Riverside Onstatts Valley 1524 Comment
  CLARK-A1703-21  Lupinus hirsutissimus Mike Cline 1967-3-30 Riverside Box Springs Mountains Comment
  UCR162875  Lupinus hirsutissimus T. B. Salvato, Kelly Volansky 2003-3-27 131 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  POM229048  Lupinus hyacinthinus Philip A. Munz 1937-5-30 15141 Riverside Santa Rosa Peak. 2409 Comment
  RSA413646  Lupinus hyacinthinus N. C. Cooper 1944-6-17 1420 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UC454094  Lupinus hyacinthinus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2895 Comment
  UCR79236  Lupinus longifolius Steve Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon along Bluewater Trail, downstream to the confluence with San Mateo Creek 488 Comment
  UCR133353  Lupinus microcarpus A. C. Sanders 1985-5-4 5777 Riverside Santa Rosa Mtns, Hwy 74 near Alpine Village 1341 Comment
  CSUSB1450  Lupinus sparsiflorus Dick Bernier 1966-4-11 Riverside 1.8 miles past Canyon Crest Golf Club in a ditch of the road 274 Comment
  JOTR34070  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2967 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UC1287153  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside about 5 mi ne Aguanga Comment
  UC16021  Lupinus sparsiflorus H. M. Hall Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  UCR121225  Lupinus sparsiflorus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2310 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR178304  Lupinus sparsiflorus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 927 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR241254  Lupinus sparsiflorus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1204 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR92802  Lupinus sparsiflorus Scott D. White 1994-3-29 1934 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  POM202257  Lupinus succulentus Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  UCR91447  Lupinus succulentus Scott D. White 1995-3-30 2658 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  CLARK-A1656-835  Lupinus truncatus Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  IRVC29065  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 366 Comment
  RSA701346  Lupinus truncatus Michael Wall, Susan G Jett, Perez, Garcia 1994-6-1 60 Riverside S of Hemet, 0.2 mi W of Benjie Lane off Hwy R-3. Associated plants include Salvia apiana, Adenostema fasciculatum, annuals, and exotic grasses. 168 Comment
  UCR155323  Lupinus truncatus A. C. Sanders, Mike Misenhelter 2005-3-23 29253 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR93022  Lupinus truncatus G. P. Schultz 1994-4-7 s.n. Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UC2979  Luzula comosa var. laxa H. M. Hall July, 1901 2460 Riverside San Jacinto Mountains. Tahquitz Valley 2133 Comment
  RSA428590  Lycium M. B. Dunkle 1939-3-25 4919 Riverside Colorado Desert Comment
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Feb 17 2013
  JOTR30114  Lycium andersonii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1681 Riverside Joshua Tree National Park. Stop #1 = Upper Wilson Canyon 993 Comment
  RSA510020  Lycium andersonii B. Pitzer 1988-3-10 659 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR133978  Lycium andersonii Mitch Provance, J. S. Ross 1998-3-27 MOR- 963 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR260357  Lycium andersonii A. C. Sanders, Jim Malusa 2015-3-10 41371 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR49788  Lycium andersonii D. C. Hawks, Guy Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  UCR87089  Lycium andersonii Richard Minnich 1992-2-18 s.n. Riverside Riverside, c. 1 km SW of Mockingbird Canyon Reservoir Comment
  UCR275142  Lycium brevipes David Fraker, Aaron C. Sedgwick 2012-4-5 074 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  SD260129  Lycium cooperi J. Andre 2012-4-11 20792 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep hills and large wash. 729 Comment
  CAS-BOT-BC231497  Lycium torreyi Ivan Johnston 1917-4-4 1035 Riverside Palm Canyon 274 Comment
  UCR19114  Lythrum californicum John C. Roos 1946-9-14 3010 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  RSA388409  Lythrum hyssopifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61171 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UCD103051  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet. Along Stetson Ave. W of Warren Road. 457 Comment
  RSA506441  Lythrum hyssopifolia L. F. LaPre 1988-7-22 s.n. Riverside Santa Rosa Plateau, in the begining of Oak Hill Trail, Natural Conservancy Preserve. Comment
  RSA592025  Lythrum hyssopifolia E. W. Lathrop 1968-5-15 6878 Riverside 8 miles W of Murrieta; Redonda Mesa, Santa Rosa Plateau 610 Comment
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Jun 24 2012
  CLARK-A1656-618  Machaeranthera cognata Lois Ann Scott 1978-4-12 Riverside Mecca 91 Comment
  UCR79486  Madia exigua Steve Boyd, T. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  UCR281006  Malacothamnus densiflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 26 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  SDSU7510  Malacothamnus fasciculatus Thomas A. Zink 1971-7-1 Riverside Near Redlands Blvd. about 1 mile south of San Timeteo cyn. Rd. 518 Comment
  SEINET3449048  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Santa Rosa Plateau, Carancho Road, about 1370 feet northeast of San Diego county line, west side of De Luz Creek valley, descending plateau downslope from "cut flower" farm, Fallbrook Quadrangle (topo map) 180 Comment
  CSUSB1448  Malacothamnus fasciculatus var. laxiflorus Dorothy Detrich 1966-5-16 Riverside Riverbottom at base of Mount Rubidoux. Comment
  CAS-BOT-BC345286  Malacothrix californica Marian L. Campbell 1921-3-19 17 Riverside Palm Springs 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
  CAS-BOT-BC347714  Malacothrix glabrata Anne Constant 1955-3-27 148 Riverside Along Highway 111 between Banning and Palm Springs. Colorado Desert 365 Comment
  JOTR32434  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  POM10233  Malacothrix glabrata Charlotte M. Wilder 1904-5-15 125 Riverside North side of Jurupa Hills, NW of Riverside Comment
  POM362315  Malacothrix glabrata N. C. Cooper 1949-3-15 3171 Riverside North of Palm Springs. 121 Comment
  RSA777726  Malacothrix glabrata J. Andre, Glenn L. Clifton 2011-2-22 17429 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  RSA796092  Malacothrix glabrata Duncan S. Bell 2009-4-20 310 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC194251  Malacothrix glabrata S. B. and W. F. Parish April, 1882 301 Riverside Agua Caliente, borders of Colorado Desert Colorado Desert Comment
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Nov 24 2011
  UC55144  Malacothrix glabrata F. Gilman 1902-1 41 Riverside Palm Springs Comment
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Jul 6 2010
  VVC93  Malacothrix glabrata A. C. Sanders, J. Mac 1997-5-4 20642 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR270750  Malacothrix saxatilis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8363 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA509549  Malva parviflora Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  UCR167783  Malvella leprosa T. B. Salvato, Gregg Miller 2005-6-3 1360 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UC403445  Mammillaria tetrancistra P. A. Munz, D. D. Keck 1921-12-31 5012 Riverside Andreas Canyon Palm Springs Comment
  UCR174046  Marah macrocarpa A. C. Sanders 2006-5-19 32449 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR256741  Marah macrocarpa T. B. Salvato, Matthew Malle 2013-4-5 7511 Riverside Perris-Aguanga Basin, Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle 604 Comment
  RSA532575  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside San Jacinto Wildlife Area: Approx. 670 m. east of Davis Road and some 60 m. north of the San Jacinto River levee. in the old Riverbed beside the channelized area of the San Jacinto River. 475 Comment
  RSA650954  Matricaria matricarioides W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  CSUSB1022  Medicago sativa Mark Eutenier 1973-5-30 730530 1 Riverside Intersection of Federick Street (Pidgeon Pass Road) and Sunnymead Blvd. Widespread on northwest corner. 731 Comment
  RSA97127  Melica frutescens H. K. Buechner 1955-5-30 C- 86 Riverside 4 miles south of Palm Desert, north base of Santa Rosa Mountains Comment
  CLARK-A1528-4727  Melica imperfecta John C. Roos 1937-5-2 1419 Riverside La Sierra Comment
  OBI77704  Melica imperfecta Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl 381 Comment
  SD237272  Melica imperfecta A. C. Sanders 2010-4-2 37742 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15 404 Comment
  POM19608  Melilotus albus Mary F. Spencer 1923-4-5 2197 Riverside San Jacinto. Comment
  RSA519229  Melilotus indicus Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UCR22078  Melilotus indicus Steve Boyd 1980-5-3 181 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UC63738  Mentha pulegium H. M. Hall Jul 1897 770 Riverside San Jacinto Mt. Comment
  UCR149976  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  UCR279589  Mentzelia A. C. Sanders, Jim Malusa 2017-3-28 43150 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  POM13577  Mentzelia affinis P. A. Munz, D. D. Keck 1922-4-14 s.n. Riverside Indian Wells 107 Comment
  JOTR30971  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA781615  Mentzelia albicaulis Duncan S. Bell 2009-3-8 83 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  UCR193329  Mentzelia dispersa A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35593 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  UC1595705  Mentzelia involucrata W. Wisura, J. Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi ne Mecca (on Box Canyon Rd.) Comment
  UC217974  Mentzelia involucrata P. A. Munz, D. Keck 1922-4-13 4940 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  CHSC1020  Mentzelia involucrata var. megalantha V. Holt 1935-4-15 Riverside Colorado Desert. Comment
  UCR279352  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2017-3-23 42932 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  JOTR33956  Mentzelia veatchiana La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2842 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
  UCR241671  Mercurialis annua O. F. Clarke 2011-2-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA515309  Micropus californicus Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  UCR220145  Micropus californicus D. E. Bramlet 1989-4-12 1834 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, 600 ft. east of Rawson Canyon, c. 6000 ft. south of Newport Rd. [site now under water of Diamond Valley Reservoir] 518 Comment
  UCR266782  Microseris Mitch Provance, Matt Amalong 2015-3-25 315- 29 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UC2029930  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10406 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. Comment
  POM15164  Microseris lindleyi Mary F. Spencer 1922-4-23 160 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  SEINET2053747 Image available Microseris linearifolia Richard Montijo 1990-4-27 Riverside Rancho California area; E of Santa Rosa Plateau, Green Meadow Road off de Potola Road. Sage 7.5 Quad 609 Comment
  RSA0018765  Mimetanthe pilosa Naomi S. Fraga 2006-7-11 1720 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UC1979589  Mimulus aurantiacus D. L Banks, Steve Boyd 1995-6-2 0560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 miles S of the clay grassland in section 32. Comment
  POM8468  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  POM8471  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2281 Riverside Butte west of Lakeview. 610 Comment
  UCR113888  Mimulus aurantiacus var. pubescens Mitch Provance 1998-4-10 417 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR270305  Mimulus aurantiacus var. pubescens T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8373 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  RSA552757  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6743 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
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Sep 16 2007
  UCR214017  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37791 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA0123294  Mimulus bigelovii Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8978 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR86864  Mimulus bigelovii A. C. Sanders, K. C. Rose 1995-4-27 16745 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
  SEINET7881834 Image available Mimulus bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Cyn Eagle Mts ca 2 mi from Shaver Summit 671 Comment
  POM10944  Mimulus bigelovii var. bigelovii P. A. Munz, D. Deck 1922-4-9 4826 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA420963  Mimulus bigelovii var. bigelovii Anstruther Davidson 1903-5-1 1178 Riverside Working Canyon Comment
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May 28 2010
  RSA408172  Mimulus brevipes N. C. Cooper 1944-5-21 1223 Riverside Hemet. 549 Comment
  UCR20878  Mimulus breweri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  SEINET11262501  Mimulus cardinalis Steve Boyd, Tim Ross; Dave Bramlet 1992-9-9 7679 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. Top of Tenaja Falls.; 0 396 Comment
  UC1234769  Mimulus clevelandii Peter H. Raven 1962-5-18 17759 Riverside 2.9 mi s Santiago Peak (Main Divide Truck Trail) 1234 Comment
  CLARK-A1045-66  Mimulus diffusus George K. Helmkamp 1978-5-6 Riverside Bautista Canyon burn on moist, north slope of Canyon; Hemet 15'Q Comment
  POM157912  Mimulus diffusus P. A. Munz 1927-5-20 10806 Riverside 10 miles S. of Hemet. Comment
  UCR202241  Mimulus diffusus 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
  UCR217568  Mimulus diffusus Jeff B. Galvin 2009-4-21 87 Riverside Peninsular Ranges, Lake Skinner Multi-Species Reserve, South of Tucalota Creek, just east of the equestrian trail 471 Comment
  UCR48341  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR59768  Mimulus fremontii var. fremontii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3084 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  UCR20879  Mimulus palmeri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UC56262  Mimulus parishii F. Gilman 1902-1 17 Riverside Palm Springs Comment
  UCR18440  Mimulus parishii J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  CLARK-A1528-4263  Mimulus pilosus E. W. Lathrop 1966-5-25 6336 Riverside La Laguna Comment
  RSA564286  Mimulus pilosus Jack Easton 1993-5-27 s.n. Riverside Murietta Oaks, 3.0 miles (airline) NW of Murrieta Hot Springs. W side of Highway 215. 451 Comment
  UCR108858  Mimulus pilosus Heidi A. Haid 1969-1 s.n. Riverside San Jacinto Mtns, Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR207639  Mimulus pilosus O. F. Clarke 2005-6-19 s.n. Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, off Idaleona Rd. 686 Comment
  CLARK-A1528-4271  Mimulus puniceus John C. Roos 1966-4-29 Riverside Lakeview Comment
  HSC85247  Minuartia douglasii Steve Boyd 1986-4-20 1724 Riverside Harford Springs County Park, S end the park Comment
  UCR114837  Mirabilis californica Mitch Provance 1998-2-13 17 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  CAS-BOT-BC434681  Mirabilis laevis var. crassifolia G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  RSA0125279  Mirabilis laevis var. retrorsa Duncan S. Bell 2016-3-3 8784 Riverside Whitewater Canyon; near mouth of canyon, approximately 1 air mile south of Bonnie Bell, east side of the road, north of large gravel pit. 460 Comment
  UC1136599  Mirabilis laevis var. retrorsa H. S. Yates 1936-4-7 5420 Riverside near Whitewater 304 Comment
  RSA464243  Mirabilis laevis var. villosa N. C. Cooper 1945-5-6 2257 Riverside Banning. 701 Comment
  RSA550345  Mirabilis laevis var. villosa Walter Wisura, John Dolan, M. Wall 1992-3-25 4643 Riverside Lowdesert: Cuckwalla Mts. 2.1 mi W of Corn Spring. Comment
  SBBG1883  Mirabilis laevis var. villosa H. and M. Dearing 1942-3-10 4825 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR274218  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains, around the mouth of Martinez Canyon, c. 3.5 air miles southwest of Valerie 169 Comment
  SBBG97163  Mohavea confertiflora W. L. Halvorson 1977-2-5 77 -12 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCSB6103  Mohavea confertiflora Bobkowski, Vincent 1960-4-2 Riverside Cottonwood Spring entrance to Joshua Tree National Monument; off of U.S. 60-70; 1/2 mile north of intersection Comment
  SBBG72006  Monardella australis R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns Comment
  UC489171  Monardella australis subsp. australis C. V. Meyer 1928-7-26 548 Riverside San Jacinto Mt. 2895 Comment
  SEINET4082822  Monardella breweri subsp. lanceolata O. M. Clark 1932-1 5113 Riverside South Hemet. Comment
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  POM48931  Monardella lanceolata var. lanceolata P. A. Munz, I. M. Johnston 1924-7-26 8716 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA0103093  Monardella linoides subsp. linoides Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8547 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  CHSC21752  Monardella macrantha subsp. hallii Robert A. Schlising 1968-8-17 2906 Riverside On trail to San Jacinto Peak, above Marian Mt. campground. Comment
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Jul 22 2020
  CAS-BOT-BC215493  Monardella nana E. McClintock; H. Lewis 1941-6-29 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road Comment
  LA96112  Monardella nana Elizabeth McClintock; 1941-6-8 64 Riverside 2.5 mi. above Pines to Palms Hwy Comment
  UC25476  Monardella nana H. M. Hall May 1901 1852 Riverside Between Van Deventers and Palm Canyon eastern base of mountains along the borders of the desert, San Jacinto Mountains, Colorado Desert 1219 Comment
  RSA750414  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 0.5 miles above Pines to Palms Highway. Comment
  UC25475 Image available Monardella nana subsp. arida H. M. Hall June 1901 2127 Riverside Coyote Canyon; San Jacinto Mountains, Santa Rosa Mountain; Coyote Canyon, Santa Rosa Mountain 1524 Comment
  UC25477 Image available Monardella nana subsp. arida H. M. Hall June 1901 2127 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain; Coyote Canyon, Santa Rosa Mountain, San Jacinto Mts. 1524 Comment
  POM122460  Monardella nana subsp. tenuiflora Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA152142  Monardella nana subsp. tenuiflora Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  SEINET3289847 Image available Monardella nana subsp. tenuiflora M. W. Denslow, M. W. Denslow Sr.; Naomi Fraga 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mountains region: Santa Rosa Mountains, first peak west of Toro Peak. 2616 Comment
  UC279710  Monardella nana subsp. tenuiflora Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch; San Jacinto Mts. 1280 Comment
  UCR221476  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  UCR221498  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Peninsular Range; San Jacinto Mtns., Fuller Mill Creek Camp, on the Banning-Idyllwild road 1585 Comment
  UC72711  Monolepis nuttalliana Miss M. A. King 1893-1 Riverside Menifee Comment
  CAS-BOT-BC349804  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio, Colo. Desert Comment
  POM122601  Monoptilon bellioides Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  POM13290  Monoptilon bellioides E. C. Jaeger 1921-4-12 141 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  RSA124110  Monoptilon bellioides P. C. Everett, B. K. Balls 1958-4-29 22959 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  RSA94162B  Monoptilon bellioides F. W. Peirson 1928-4-24 7899 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  RSA336205  Montia fontana R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51991 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UC573975  Muhlenbergia asperifolia H. S. Yates 1936-8-28 6370 Riverside 3 mi nw San Jacinto; San Jacinto Quadrangle Comment
  UCD86853  Muhlenbergia microsperma H. K. Wagnon; B. Rateaver 1944-1-8 282 Riverside Palm Springs .At the base of Dry Falls, Tachevah Canon. 152 Comment
  POM13759  Muilla maritima Philip A. Munz 1922-4-29 5106 Riverside [Sedco] Station, south of Elsinore. Comment
  UC219288  Muilla maritima P. A. Munz and I. M. Johnston 1922-5-20 5465 Riverside Kenworthy San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UCR261865  Myoporum parvifolium Tim Thomas, P. J. MacKay 2014-5-17 6312 Riverside Western Riverside County, Beaumont, industrial complex adjacent to and south of West 4th Street 768 Comment
  CAS-BOT-BC83350  Myosurus minimus Robert F. Thorne 1973-5-23 43866 Riverside Santa Rosa Plateau-Mesa de Colorado. 609 Comment
  CAS-BOT-BC83353  Myosurus minimus D. Bramlet 1991-5-9 2139 Riverside 6.1 km. west of Hemet and some 135-670 m. west of the intersection of Florida and Warren. 500 Comment
  SD261013  Myosurus minimus subsp. apus John F. Green 2008-7-9 Riverside Peninsular Range: Menifee Valley, east of Briggs Rd and north of Holland Rd (Romoland 7.5'Q) 438 Comment
  SBBG271  Myriopteris parryi H. and M. Dearing 1941-12-21 4345 Riverside Cathedral Cyn 152 Comment
  RSA0043137  Nama demissa Duncan S. Bell, Amanda Turek 2010-4-10 803 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA421117  Nama demissa E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  UCSB12873  Nama demissa Breedlove, Dennis 1962-3-11 Riverside 3 miles southwest of Palm Desert 426 Comment
  CHSC108884  Nama demissa var. demissa Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald, L. Reccia 2010-4-13 4986 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). Between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  JOTR00896  Nama demissa var. demissa Sipe, Frank 1958-3-7 246 Riverside Joshua Tree National Park. NORTH OF CHOLLA PATCH Comment
  RSA263722  Nassella cernua E. W. Lathrop 1966-5-26 6346 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA544393  Nassella cernua Steve Boyd 1991-5-30 6321 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  RSA587425  Nassella lepida D. L. Banks, Steve Boyd 1995-6-2 569 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary;, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA715050  Nassella pulchra A. C. Sanders, Guy Bruyea 2004-4-2 27436 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA522087  Navarretia atractyloides Steve Boyd, T. S. Ross, Kyle A. Boyd 1989-6-24 3753 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little Oak' Mtn, W of Kolb Creek drainage, N of Hwy 79. Comment
  SD136793  Navarretia atractyloides Steve Boyd, Tim Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  UCR22128  Navarretia atractyloides Steve Boyd 1980-6-4 312 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR92336  Navarretia atractyloides Scott D. White, M. D. Wilcox 1995-7-13 3476 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  UCR114959  Navarretia fossalis Fred M. Roberts 1992-4-25 4871 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  RSA450147  Navarretia hamata J. C. Roos 1965-6-30 s.n. Riverside ortega Highway, Santa Ana Mtns. Comment
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May 21 2011
  SEINET10461231  Nemacladus glanduliferus var. glanduliferus Boyd 1988-3-10 BOYD 2134 Riverside North end Palen Mountains, 2 miles west of Palen Pass North end Palen Mountains, 2 miles west of Palen Pass 300 Comment
  POM128360  Nemacladus ramosissimus Thos. Craig 1927-4-23 210 Riverside Glen Ivy. Comment
  UCR139157  Nemacladus ramosissimus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1204 Comment
  RSA799238  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UCR279599  Nemacladus tenuis var. aliformis A. C. Sanders, Jim Malusa 2017-3-28 43138 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA421331  Nemophila menziesii Ora M. Clark 1929-3-2 1606 Riverside Near Alberhill Comment
  RSA421355  Nemophila menziesii E. Crow 1929-3-17 196 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA736311  Nemophila menziesii Scott D. White, Justin M. Wood 2008-3-25 11783 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SD181486  Nemophila menziesii Scott D. White 2000-4-12 7644 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  CSUSB121  Nemophila menziesii var. menziesii Randy Salstrom 1966-3-3 Riverside Bottom of canyon at east end of Blain Street, in the Box Springs Mountains in Riverside (city). 274 Comment
  UCR35267  Nicotiana attenuata L. B. Ziegler 1973-8-15 517 Riverside Peninsular Range; San Jacinto Mtns., Hemet (Garner) Valley 1402 Comment
  CHSC8439  Nicotiana clevelandii Edward L. Smith 1958-3-21 392 Riverside Little Santa Maria Mts. 6 mi s of Rice, near Priest's Well. 365 Comment
  CAS-BOT-BC231679  Nicotiana glauca E. A. McGregor 1916-3-19 712 Riverside Colorado Desert. Indio, Sands Comment
  RSA662146  Nicotiana glauca Stephen Hill 1981-2-16 34 Riverside Coal Canyon behind horse stables on N side of the 91 freeway. Comment
  UCR166544  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA0119899  Nolina parryi Duncan S. Bell, Thomas Stoughton 2016-4-12 9229 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 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
  UCR168371  Nolina parryi subsp. wolfii P. H. Raven 1959-5-18 14246 Riverside Peninsular Ranges; San Jacinto Mountains, 0.9 miles south of Mountain Center on road [Hwy 74] to Aguanga 1433 Comment
  CAS-BOT-BC71164  Notholaena californica W. G. Wright 1890-1-1 s.n. Riverside Agua Caliente, desert slope of San Jacinto Mt. 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
  CSUSB211  Oenothera deltoides Elliott Helm 1975-5-23 Riverside Colorado Desert 3 miles north of 29 Palms, off highway 177, Colorado Desert. 304 Comment
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Dec 4 2014
  LA206160  Oenothera deltoides A. M. Johnson; 1933-2-22 4172 Riverside E of Cook's Ranch, 4 mi. NW of Indian Wells Comment
  UCR214714  Oenothera deltoides A. C. Sanders 2010-3-23 37548 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR1500  Oenothera elata Donna Lee Hobbs 1962-4-29 4-29-62- 01 Riverside 5 mi. north of Rainbow on Hwy 395 [now Interstate Hwy 215] Comment
  RSA192047  Oenothera elata subsp. hirsutissima H. A. Zuill 1966-6-23 240 Riverside De Luz Road about 9 miles SW of Murrieta. Comment
  UCR232399  Oenothera primiveris Dave Silverman, Onkar Singh 2010-3-25 7841 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa east of the southern McCoy Mtns, 1.6 km east of Black Creek Rd., 4.9 km west of McCoy Wash, and 8.6 north of I-10 149 Comment
  RSA53907  Oenothera primiveris subsp. bufonis D. F. Howe 1949-3-21 s.n. Riverside 3 miles west of Blythe. Comment
  SEINET7909440  Oenothera speciosa P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  POM14019  Oligomeris linifolia P. A. Munz, D. D. Keck 1922-4-8 4741 Riverside 1/2 miles east of Indio. -15 Comment
  RSA0050254  Oligomeris linifolia J. M. Andre 2013-3-27 24839 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  SBBG25820  Oligomeris linifolia E. R. Blakley 1966-4-9 6748 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  RSA0014648  Olneya tesota April Garbat, Sarah J. De Groot 2013-4-24 55 Riverside Chuckwalla Valley Rd W of Graham Pass Rd. Both sides of the road. 189 Comment
  RSA799932  Olneya tesota Justin M. Wood, D. M. Ray 2011-4-28 3842 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  RSA614672  Oncosiphon piluliferum D. E. Bramlet 1992-5-6 2265 Riverside San Jacinto Wildlife Area; approximately 920 m northwest of Lakeview. The site is found 487 m west of Davis Road and 46 m north of Marvin Road 433 Comment
  SD239616  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave. 415 Comment
  UCR282189  Oncosiphon piluliferum Saharat Nilaad 2017-5-1 01 Riverside Moreno Valley, east of March Air base, empty lot SE of the Iris Ave. intersection with Indian St. 457 Comment
  UCR116808  Opuntia basilaris A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23938 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SEINET2056689 Image available Opuntia erinacea A. C. Sanders, P. Mackay, G. Helmkamp, S. White, C. L. Sanders 1994-9-4 15592 Riverside San Bernardino Mountains: F.S. Road 2N04 just above crossing of Arrastre Creek, below conflunece w/Balky Horse Chy. 2200 Comment
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Aug 24 2013
  RSA561009  Opuntia littoralis Steve Boyd, Timothy S. Ross 1992-5-4 7201 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR26540  Opuntia littoralis A. C. Sanders, S. Hagopian 1981-5-20 2145 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  POM278510  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 123 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1463 Comment
  UCSB24790  Opuntia polyacantha var. erinacea Head, W. 1966-5-15 Riverside Pinyon Flats Campground Comment
  JEPS85939  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4518 Riverside at lower end of Box Canyon near Garfield St. junction of Mecca; Box Canyon 91 Comment
  JEPS85953  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4531 Riverside ca. 16 mi. n.e. Desert Center (along Rice Rd.) Comment
  CAS-BOT-BC502863  Orobanche cooperi subsp. cooperi Ira L. Wiggins 1941-3-24 9589 Riverside On E side of Salton Sea, 1 mi N of Imperial County Line Comment
  RSA0087201  Orobanche fasciculata Darin L. Banks 1995-5-3 0276 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area. 512 Comment
  SEINET7048057  Oryzopsis hymenoides Steven R. Hill 2001-4-29 33534 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR201478  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR176682  Oxalis corniculata G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, near greenhouses 305 Comment
  CLARK-A1528-692  Paeonia californica John C. Roos 1937-4-17 Riverside Aguanga Comment
  POM11906  Paeonia californica P. A. Munz 1922-4-29 5112 Riverside E of Aguanga, Riverside Comment
  UCSB2032  Paeonia californica Krogen, Roger 1957-1 Riverside 2 mi. N of Whitewater Comment
  UCR108725  Palafoxia arida Scott D. White, Pam DeVries 1998-2-9 6084 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR148845  Palafoxia arida Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  UCR165289  Palafoxia arida John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  SEINET10799066  Palafoxia arida David B. Dunn 1946-3-15 Dunn 2038 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  POM363753  Palafoxia arida var. arida L. C. Wheeler 1931-11-26 368 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UC1069987  Palafoxia arida var. arida H. S. Yates 1937-3-23 6433 Riverside Painted Canyon Thermal Quadrangle Comment
  UC604859  Palafoxia arida var. arida Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 mi from Cottonwood Springs Comment
  UCR153389  Palafoxia arida var. arida Scott D. White 2000-3-23 7634 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 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
  UCR24014  Panicum alatum var. minus John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  RSA782355  Panicum hirticaule subsp. hirticaule Stephanie Rockwood, Christi Gabriel 2011-10-18 126 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  RSA0112293  Panicum urvilleanum Mary F. Spencer 1919-6-17 1311 Riverside San Jacinto. 305 Comment
  RSA621901  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2905 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UC56956  Parietaria hespera var. hespera W. L. Jepson and H. M. Hall Riverside Palm Canyon 457 Comment
  UCR25860  Parkinsonia florida John C. Roos 1937-4-28 794 Riverside Sonoran (Colorado) Desert, Desert Center 274 Comment
  PASA203  Parosela schottii Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  RSA595269  Paspalum dilatatum D. L. Banks, Victor Steinmann 1996-4-20 902 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 487 Comment
  UCR92095  Paspalum distichum Scott D. White, S. Ogg 1994-10-17 2486 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  UCR233940  Pectis papposa Duncan S. Bell 2011-10-22 2987 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  VVC2317  Pectis papposa Tim Thomas, Alice Karl 2011-10-18 5529 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  CAS-BOT-BC355867  Pectis papposa var. papposa Lewis S. Rose 1959-1-8 59004 Riverside La Quinta 15 Comment
  RSA0124035  Pectocarya heterocarpa Duncan S. Bell, LeRoy Gross 2016-3-10 8880 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA49172  Pectocarya heterocarpa P. A. Munz 1949-4-13 13065 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA695834  Pectocarya linearis J. R. Bruff 1927-3-12 3 -L Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
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Mar 13 2011
  SEINET998821  Pectocarya linearis Mitch Provance 2003-1 6602 Riverside San Bernardino Valley: Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge. 244 Comment
  UCR260878  Pectocarya linearis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41566 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  RSA314642  Pectocarya linearis subsp. ferocula R. F. Thorne 1983-4-23 55449 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA487530  Pectocarya penicillata Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  RSA525459  Pectocarya penicillata Steve Boyd 1990-4-29 4505 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR183178  Pectocarya penicillata Mitch Provance 2003-5-5 4407 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR97898  Pectocarya penicillata A. C. Sanders 1997-3-1 19709 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR99865  Pectocarya penicillata Scott D. White 1993-3-3 1099 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR112111  Pectocarya peninsularis A. C. Sanders, T. B. Salvato 2000-4-21 23342 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  RSA77862  Pectocarya platycarpa F. W. Peirson 1920-2-16 1014 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA703418  Pectocarya recurvata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1430 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  POM13012  Pectocarya setosa P. A. Munz, I. M. Johnston 1922-5-19 5440 Riverside Garner Ranch, Hemet Valley in San Jacinto Mountains. 1372 Comment
  UCSB41268  Pectocarya setosa Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W on Hwy. 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Berndo. Nat. Forest; Whittaker transect #W-221 1180 Comment
  POM259690  Pedicularis densiflora P. A. Munz 1940-3-17 15600 Riverside Dripping Springs Comment
  POM292498  Pediomelum californicum Philip A. Munz 1937-5-29 15104 Riverside Public Camp ground at Nightengales [store near Pinyon Flats, camp = P. F. Public Camp], on Palms to Pines Hwy. 1220 Comment
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Dec 18 2011
  CAS-BOT-BC133212  Pellaea andromedifolia 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
  IRVC19343  Pellaea andromedifolia R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  SEINET13709265  Pellaea andromedifolia J. Adams, J. Adams (Botany) 1966-1 743 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  UCR135843  Pellaea mucronata A. C. Sanders 2004-4-20 27532 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
  UCR154840  Pellaea mucronata A. C. Sanders, Mike Misenhelter 2005-3-23 29283 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SEINET7063453  Pellaea mucronata var. californica A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 564 Comment
  POM856  Pellaea mucronata var. mucronata P. A. Munz 1918-4-27 2123 Riverside Temecula Canyon: base of rocks, Comment
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Mar 27 2011
  RSA585636  Pellaea mucronata var. mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  SFV13130  Pellaea mucronata var. mucronata M. J. Thor 1982-9-17 138 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  CLARK-A1656-740  Pennisetum setaceum 1981-3-14 Riverside Coachella Valley Comment
  SD73461  Penstemon E. W. Lathrop 1969-5-29 7082 Riverside 8 miles west of Murrieta on the Main Divide Truck Trail between Tenaja Rd. and Los Alamos Canyon, along stream Comment
  UCR47791  Penstemon californicus D. C. Michener, W. Wisura 1982-6-8 4052 Riverside San Jacinto Mtns., Slopes on NE side of Garner Valley immediately adjacent to valley floor just NW of the junction of Morris Ranch road & Calif. Hwy 74. Comment
  POM11204  Penstemon centranthifolius Philip A. Munz 1922-6-23 5787 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  SBBG95104  Penstemon centranthifolius S. D. White 1990-7-12 Riverside E Millard Cyn 1158 Comment
  RSA97020  Penstemon centranthifolius R. M. Straw 1953-6-4 445 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  UCR35257  Penstemon clevelandii subsp. connatus L. B. Ziegler 1969-5-7 355 Riverside San Jacinto Mtns., Pinyon Flats 1250 Comment
  NY583966  Penstemon clevelandii var. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mountain 152.4 Comment
  RSA79844  Penstemon pseudospectabilis Philip A. Munz, D. D. Keck 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR122523  Penstemon spectabilis George K. Helmkamp, E. A. Helmkamp 2001-5-20 6683 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  VVC492  Penstemon spectabilis A. C. Sanders, J. Mac 1997-5-4 20676 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  SDSU13817  Penstemon spectabilis var. spectabilis W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR91662  Penstemon spectabilis var. spectabilis Steve Boyd 1995-4-24 8490 Riverside Peninsular Range, Palomar Range, Agua Tibia Wilderness Area, at NE [SE?] base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near its gabbro peak known as 'Agua 762 Comment
  RSA0060323  Pentagramma triangularis Steve Boyd, Timothy S. Ross, Laurel Anrseth 1990-3-30 3965 A Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  IRVC3157  Pentagramma triangularis subsp. triangularis R. H. Whittaker, W. A. Niering 1963-6-6 SJ 249 Riverside San Jacinto Mountains; Indian Creek. Peninsular Ranges 640 Comment
  UCSB3807  Peritoma arborea Bobkowski, Jr., Vincent 1960-4-2 Riverside South entrance to Joshua Tree National Monument, Cottonwood Spring entrance, 1/2 mile North of U.S. 60-70 Comment
  SEINET12740180  Peritoma arborea E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Comment
  CAS-BOT-BC77528  Peritoma arborea var. arborea F. A. Thackery 1928-5-7 179 Riverside Whitewater Comment
  JEPS34967  Perityle emoryi I. W. Clokey and B. C. Templeton 1930-4-9 4700 Riverside n of Palm Springs; Colorado Desert 170 Comment
  POM41473  Perityle emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR263647  Perityle emoryi Aaron C. Sedgwick, Brett Griffin 2012-3-28 027 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  JOTR35185  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
  CAS-BOT-BC167772  Petalonyx thurberi Roxana S. Ferris 1918-6-14 983 Riverside On Mecca - Blythe Rd., Shaver's Well Comment
  UCR144106  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area. N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  JOTR32477  Petalonyx thurberi subsp. thurberi Herskovits, Tasya 2011-5-25 13 Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large, sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  SBBG69396  Petalonyx thurberi subsp. thurberi V. Duran 1933-7-3 3500 Riverside Deep Cyn 243 Comment
  UC884703  Petunia parviflora Crawford and Johnston 1917-6-9 1230 Riverside near Corona (Santa Ana River); Santa Ana River Comment
  CAS-BOT-BC326771  Peucephyllum schottii Peter H. Raven 1958-1-23 11429 Riverside Fargo Canyon Comment
  HSC25834  Peucephyllum schottii Richard Spjut 1972-2-1 2074 Riverside Colorado Desert: Southern end of the Eagle Mts.; Eagle Mt. Rd. and other sandy roads ca. 3 to 6 mi. N of Desert Center Comment
  RSA471975  Peucephyllum schottii M. B. Dunkle 1933-3-4 3069 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SEINET2054222 Image available Peucephyllum schottii Jenifer Williams 1965-3-27 Riverside Colorado Desert, Corrizo Canyon, S of Palm Desert. 152 Comment
  UCR41424  Peucephyllum schottii A. C. Sanders 1985-12-22 5962 B Riverside Coachella Valley, foot of the Santa Rosa Mountains, W end of Ave. 74, 2.6 mi west of Polk Street. Southern edge of Martinez Canyon. 122 Comment
  UCR96915  Peucephyllum schottii Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  SEINET10801061  Peucephyllum schottii David B. Dunn 1948-2-21 Dunn 3664 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. On steep banks of wash, clay. Comment
  CHSC8289  Phacelia Edward L. Smith 1958-3-22 409 Riverside Located in sand dunes 3 mi. s of Rice, Calif. Little Santa Maria Mts. 335 Comment
  POM147637  Phacelia ambigua F. M. Reed 1927-3-20 5430 Riverside Salt Creek Wash. Comment
  UCR241797  Phacelia ambigua A. C. Sanders, Ann Howald 2013-2-28 40560 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR232389  Phacelia ambigua var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside Sonoran (Colorado) Desert, north edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport 137 Comment
  RSA525406  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4515 Riverside Vail Lake area, benches along Kolb Crk. W of Dripping Springs, S of Hwy 79, at jtn w/ Woodchuck Rd. 488 Comment
  POM343364  Phacelia campanularia F. R. Fosberg 1983-4-23 64172 Riverside Whitewater Bridge. Comment
  RSA0106641  Phacelia campanularia Scott D. White 2000-5-3 7766 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  SD4103  Phacelia campanularia Ruth B. Randall 1926-2-22 Riverside Whitewater Pass Comment
  UCD120283  Phacelia campanularia Evert I. Schlinger 1952-3-28 29 Riverside Whitewater. 152 Comment
  UCR200335  Phacelia campanularia subsp. campanularia Tasha La Doux, Jim Andre 2008-3-20 212 Riverside Sonoran (Colorado) Desert, along Hwy I-10 at Whitewater exit, on south-facing slope at White Water River crossing 418 Comment
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Nov 11 2010
  JOTR35279  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-16 20979 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UC881005  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  CHSC111045  Phacelia cicutaria var. hispida L. M. Prince; Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest. Comment
  UCR20788  Phacelia cicutaria var. hispida A. C. Sanders, Steve Boyd 1980-5-2 1420 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0043222  Phacelia crenulata var. ambigua J. Mark Porter, Orlando Mistretta 2003-6-5 13606 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  UCR268935  Phacelia crenulata var. ambigua Jim Andre 2015-3-2 31361 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
  JOTR30997  Phacelia cryptantha La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1319 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  UC663066  Phacelia cryptantha James E. Cole 1941-5-30 824 Riverside peak ese C. G. S. SDtation; Joshua Tree National Monument, Quail Mountain Comment
  CAS-BOT-BC133957  Phacelia distans John H. Thomas 1957-3-29 6517 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  CLARK-A1528-558  Phacelia distans C. M. Flanagan 1973-4-14 OO 104 Riverside Sunnymead 579 Comment
  JOTR16721  Phacelia distans Knuckles, Penny 1974-5-10 4 Riverside Joshua Tree National Park. JUMBO ROCKS CAMPGROUND Comment
  POM74228  Phacelia distans Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  RSA74949  Phacelia distans F. W. Peirson 1918-03 957 Riverside Field near Indio. Comment
  UCR241687  Phacelia distans T. B. Salvato 2013-3-22 7405 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR269765  Phacelia distans A. C. Sanders, Jim Malusa 2016-3-18 42367 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA527876  Phacelia exilis Scott D. White 1991-5-24 91 -61 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf & W of Hwy 38, S of Hwy 18 & Baldwin Lake. 2073 Comment
  POM12124  Phacelia imbricata subsp. patula Mary F. Spencer 1921-6-21 1237 Riverside Edge of woods, Idyllwild, San Jacinto Mt. 1616 Comment
  RSA493824  Phacelia minor Maureen Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane & Via View Dr. 732 Comment
  RSA511057  Phacelia minor Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA519232  Phacelia minor Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UC24494  Phacelia minor H. M. Hall June 1901 2280 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  UC410495  Phacelia minor Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  RSA427703B  Phacelia minutiflora E. C. Jaeger 1922-3-29 745 Riverside Chuckwalla Valley Comment
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May 29 2011
  UCR207553  Phacelia ramosissima O. F. Clarke 2005-5-12 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  UCR263717  Phacelia ramosissima Mark A. Elvin, Tricia Wotipka 2002-5-1 1965 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, southeast portion of La Borde Canyon 579 Comment
  CAS-BOT-BC145000  Phacelia ramosissima var. latifolia Peter H. Raven; R. Snow 1957-7-26 11090 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  UCR123223  Phacelia stellaris O. F. Clarke, Helga Forster 2000-1 s.n. Riverside San Bernardino Valley region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  RSA543879  Phalaris lemmonii Steve Boyd, D. Bramlet 1991-5-13 6241 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR249866  Phalaris lemmonii Virginia Moran 2008-3-31 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, NE of Temecula 427 Comment
  UCR111060  Pholistoma auritum D. L. Banks 1997-4-5 1699 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UCR78447  Pholistoma auritum Scott D. White 1993-4-22 1262 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM46798  Pholistoma membranaceum Mary F. Spencer 1920-4-7 1582 Riverside Palm Canyon, Colorado Desert 183 Comment
  UCD166242  Phoradendron californicum Jack Major 1962-4-17 776 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  SEINET8727958 Image available Phoradendron californicum Lewis S. Rose 1938-1 38315 Riverside Palm Springs. 137 Comment
  RSA132708  Phoradendron densum Del Wiens 1954-10-19 961 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  UC1078928  Phoradendron densum Job Kuijt 1958-3-14 1493 Riverside 11.7 mi. s. Palm Desert 975 Comment
  CAS-BOT-BC135182  Phoradendron juniperinum Edmund C. Jaeger 1922-6-13 s.n. Riverside E slope San Jacinto Mts. 1371 Comment
  RSA543132  Phoradendron villosum Steve D. Boyd, C. Boyd, K. A. Boyd 1991-3-16 5466 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  CLARK-A1528-4361  Physalis crassifolia John C. Roos 1946-10-26 3149 Riverside Chuckwalla Mountains Comment
  RSA19416  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs. Comment
  RSA600123  Physalis crassifolia Louis C. Wheeler 1959-12-27 7640 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UC1546690  Physalis crassifolia Barry A. Prigge 1988-2-21 7857 Riverside 2 mi w Clemens Well; Imperial Desert, Orocopia Mountains 228 Comment
  UC494680  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UCD126791  Physalis crassifolia Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, et al 2004-5-14 11216 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: 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
  UCR23754  Physalis lancifolia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UCR91040  Physalis lancifolia George K. Helmkamp 1996-1-18 96-8- 01 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  SD181324  Physalis philadelphica Scott D. White 1998-10-13 7179 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. Joseph Canyon wash near a disused quarry 334 Comment
  UCR131461  Pinus coulteri June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
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Mar 29 2014
  LA6083  Pinus flexilis A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, Tauquitz [Tahquitz] Peak Comment
  RSA0048411  Pinus lambertiana Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto National Forest, Saddle Junction. 2133 Comment
  RSA0077533  Pinus lambertiana G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  RSA660230  Pinus monophylla Michelle Cleveland 1981-2-14 10 Riverside Turn left at sign for Bighorn overlook, 13 miles from junction of Hwys [1]11&74. 1200 Comment
  UC400322  Pinus monophylla C. Van Deventer 1903-8-1 Riverside San Jacinto Mt. Region Comment
  CAS-BOT-BC79089  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa, Santa Rosa Mountains 1676 Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  RSA247352  Pinus quadrifolia G. D. Wallace, D. Wilken 1966-7-3 635 Riverside San Jacinto Mtns up Thomas Mtn. Rd. west of Palm Desert. Comment
  UCR201439  Pinus quadrifolia Scott D. White, Justin M. Wood 2008-6-17 12190 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR120650  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1791 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR241832  Plagiobothrys collinus A. C. Sanders, Timothy W. Chumley 2013-4-3 40760 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  POM13769  Plagiobothrys collinus var. californicus P. A. Munz 1922-4-29 5089 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  POM184249  Plagiobothrys collinus var. californicus P. A. Munz 1932-3-24 12018 Riverside Corona 366 Comment
  UCR241829  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy W. Chumley 2013-4-3 40763 Riverside Peninsular Range, Temescal Canyon SE of Horsethief Canyon Rd, and just west of I-15 Fwy, SE of Corona (Lee) lake 392 Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  POM13567  Plagiobothrys leptocladus P. A. Munz, I. M. Johnston 1922-5-19 5369 Riverside Menifee Valley. Comment
  RSA80216  Plagiobothrys leptocladus F. W. Peirson 1922-4-29 4273 Riverside Field S of Lake Elsinore 375 Comment
  UCR87662  Plagiobothrys tenellus A. C. Sanders 1994-5-29 14575 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR127332  Plantago erecta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25841 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  HSC80287  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 mi. W of Rancho California at the junction of Rancho California Rd. & De Luz Rd. 427 Comment
  RSA594124  Plantago lanceolata D. L. Banks, Victor W. Steinmann 1996-4-20 898 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  CSUSB1314  Plantago major Margaret-Lee Dean 1965-4-23 Riverside 3908 Linwood Place, Riverside 262 Comment
  POM158181  Plantago major P. A. Munz, I. M. Johnston 1928-9-6 11267 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA0119999  Plantago ovata Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9090 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA4909  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 3025 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA561508  Platanus racemosa Steve Boyd, Tim S. Ross, D. Bramlet 1992-9-9 7666 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UC167983  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder 1905-5-12 9 Riverside Wilders near Riverside; near Riverside Comment
  RSA0019778  Pleuraphis rigida April Garbat, Rachel Poutasse 2013-3-20 10 Riverside Graham Pass Rd, S 5 miles from junction with Chuckwalla Rd. In drainage/wash to west of rd, 1 mile S of power lines. 145 Comment
  CAS-BOT-BC326640  Pleurocoronis pluriseta Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2216 Riverside Northwest end of the McCoy Mountians, northwest of Blackjack Mine 400 Comment
  CAS-BOT-BC326648  Pleurocoronis pluriseta Edmund C. Jaeger 1922-3-18 s.n. Riverside Painted Canyon Comment
  UC205026  Pluchea odorata var. odorata L. G. Childs 1921-1-21 Riverside Dos Palmas Colorado Desert Comment
  SD84905  Pluchea sericea Nancy Ryan Zabriskie, W. Zabriskie 1972-3-28 484 Riverside North canyon, Andreas Canyon drainage, east slope San Jacinto Mountain 609 Comment
  UCR92591  Pluchea sericea F. M. Reed 1904-6-12 594 Riverside Riverside, along Santa Ana River, near sewer outfall 244 Comment
  PASA1246  Poa bigelovii Frank W. Peirson 1921-3-22 Riverside Murray Canyon 457 Comment
  RSA484228A  Poa bigelovii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UC39615  Poa bolanderi H. M. Hall July, 1901 2573 .5 Riverside vicinity of Deer Springs Deer Springs; San Jacinto Mts 2743 Comment
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Jul 28 2006
  UCR2687  Poa secunda F. M. Reed 1905-2-26 671 Riverside Riverside, Arroyo Tequesquite, 1/8 mile east of the Victoria Clubhouse, bank of Arroyo Tequesquite 274 Comment
  SJSU11304  Poa secunda subsp. juncifolia S. H. Casey 1981-4-15 1197 Riverside Jumbo Rocks, Joshua Tree National Monument Comment
  UCR167932  Polygonum aviculare T. B. Salvato, Gregg Miller 2005-6-3 1362 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  JOTR32468  Polygonum aviculare subsp. depressum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2613 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
  UCR278856  Polygonum lapathifolium Mitch Provance 2012-11-10 17602 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  RSA97132  Polypogon maritimus C. K. Buechner 1955-5-29 C 73 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  IRVC165  Polystichum imbricans subsp. curtum Don Pfirrmann 1965-4-24 HS 550 Riverside Highway 74; 1/4 mile SE of Sven Camp summit. Comment
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Mar 30 2014
  IRVC166  Polystichum imbricans subsp. curtum Pat Rolfe 1965-4-24 HS 554 Riverside Lake Elsinore. Southern Coastal Comment
  IRVC167  Polystichum imbricans subsp. curtum Charley Ford 1965-4-20 HS 560 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  POM2088  Populus fremontii I. M. Johnston 1917-4-4 1092 Riverside Palm Canyon. 457 Comment
  SD70783  Populus fremontii David B. Dunn, H. Lint 1948-1-25 3632 Riverside Pushawalla canyon, Indio Hills. Comment
  UCR225586  Populus fremontii A. C. Sanders, T. B. Salvato 2011-3-29 38865 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  UCR237693  Populus fremontii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4589 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  SEINET10538902  Populus fremontii David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3632 Riverside Pushawalla canyon, indio hills. Dry january; no rain since mid-december. Plants Still growing even on top of the desert pavement. Very warm; the cottonwoods Still had many of last year's leaves and were leafing out anew. Found beside Quad 1. Comment
  HSC6072  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside In Mule Mts.; 20 mi. SW of Blythe Comment
  CAS-BOT-BC267209  Potamogeton foliosus Thorne; E. Lathrop 1969-6-6 39343 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA198981  Potamogeton foliosus Robert F. Thorne, E. Lathrop, Philip A. Munz 1968-5-8 37564 Riverside Santa Rosa Plateau: Shallow water of vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  CAS-BOT-BC356218  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 762 Comment
  UCR60766  Prenanthella exigua Steve Boyd, O. Mistretta 1986-3-13 1455 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  CAS-BOT-BC206977  Prosopis glandulosa var. torreyana W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Comment
  POM2529  Prosopis glandulosa var. torreyana L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  SD84907  Prosopis pubescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-24 459 Riverside East slope of San Jacinto Mountains, Andreas Canyon watershed, SE of turnoff to clubhouse fron Andreas Canyon Club Road 320 Comment
  RSA453217  Prunus emarginata N. C. Cooper 1945-5-24 1665 Riverside Big Oaks Canyon, Banning. 1220 Comment
  CAS-BOT-BC151118  Prunus fremontii Ivan Johnston 1917-4-4 1101 Riverside Palm Canyon - Colorado Desert 670 Comment
  RSA336035  Prunus fremontii Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52068 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
  RSA86856  Prunus fremontii F. W. Peirson 1917-4-1 1986 Riverside Fruiting specimen from Tahquitz Canyon, Palm Springs region. Comment
  RSA263753  Prunus ilicifolia E. W. Lathrop 1969-5-8 7007 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  POM13888  Psathyrotes ramosissima P. A. Munz, D. D. Keck 1922-4-9 4818 Riverside Shavers Well, near Mecca. 76 Comment
  CAS-BOT-BC356597  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2645 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  SDSU13557  Pseudognaphalium biolettii W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SFV3941  Pseudognaphalium californicum P. G. Kilburn 1958-5-17 814 Riverside 3 miles south of Banning. 305 Comment
  RSA0121381  Pseudognaphalium luteoalbum Duncan S. Bell, LeRoy Gross 2016-3-30 9146 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CLARK-A1528-2068  Psilocarphus brevissimus John C. Roos 1937-5-10 2498 Riverside Lake Elsinore Comment
  POM157889  Psilocarphus brevissimus P. A. Munz 1927-5-20 10801 Riverside Murietta Hot Springs Comment
  RSA393770  Psilocarphus brevissimus E. Dean 1929-5-5 8747 Riverside Near Elsinore Comment
  UC1260164  Psilocarphus brevissimus var. brevissimus Robert F. Thorne 1974-5-23 44668 Riverside Rancho California, top of Mesa de Colorado Santa Rosa Plateau, Mesa de Colorado 624 Comment
  CLARK-A1528-5058  Psoralea californica John C. Roos 1941-5-10 125 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC353581  Psorothamnus arborescens var. simplicifolius H. M. Hall 1901-6-1 2008 Riverside San Jacinto Mountains, Canyon of the San Jacinto River 670 Comment
  JOTR31216  Psorothamnus emoryi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1525 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  RSA663909  Psorothamnus emoryi C. R. Annable 1995-3-9 2259 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. 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
  UCSB28384  Psorothamnus emoryi Blakley, E. 1961-9-10 Riverside 20 miles west of Blythe at desert wash crossing of U.S. Highway 60-70 106 Comment
  CAS-BOT-BC340876  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  POM1898  Psorothamnus schottii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  RSA654883  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  SD27947  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert, 14 mi. E of Mecca, on Blythe Road (E of Shavers Well) 152 Comment
  UCR263502  Psorothamnus schottii Aaron C. Sedgwick, Brett Griffin 2012-3-28 015 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCR89663  Psorothamnus schottii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  CAS-BOT-BC340954  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  CAS-BOT-BC340963  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 243 Comment
  RSA33633  Psorothamnus spinosus N. C. Cooper 1944-7-15 1603 Riverside Palm Springs. 122 Comment
  RSA605773  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns, near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  SBBG68034  Psorothamnus spinosus R. Hoffmann 1928-10-21 Riverside Fig Tree John's [Figtree John Spring] -60 Comment
  UCR18979  Psorothamnus spinosus John C. Roos 1965-6-23 s.n. Riverside Coachella Valley, N of Indio Comment
  SD153019  Pteridium aquilinum var. pubescens Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7313 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
  CAS-BOT-BC421260  Pterostegia drymarioides John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges: City of Temecula, immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way. 396 Comment
  UCR112974  Pterostegia drymarioides B. G. Pitzer, T. Tennant 1998-2-21 3542 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  RSA263786  Pulicaria hispanica Margaret Hardinge, Crooks 1961-9-6 311 Riverside Santa Ana canyon; Davenport Ranch on Hwy 91 Comment
  CAS-BOT-BC362148  Pulicaria paludosa A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al 1996-11-23 19661 Riverside San Bernardino Mtns.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  JOTR16838  Purshia tridentata var. glandulosa Hogan, J. 1974-5-6 43 Riverside Joshua Tree National Park. LOWER COVINGTON FLAT PARKING AREA 1432 Comment
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Jun 9 2013
  RSA0042976  Quercus Jeremiah George 2012-8-13 s.n. Riverside west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UC5849  Quercus X acutidens Samuel B. Parish 1891-11-5 2261 Riverside near Temecula (McGee's Stone) Comment
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Mar 27 2011
  RSA711036  Quercus agrifolia A. C. Sanders, R. E. Riefner 2005-8-12 31559 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR158901  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31549 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  SD193296  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside Valley Hi County Park off Highway 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  RSA0028782  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -581 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  UCR250920  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 4 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR272999  Quercus berberidifolia Mitch Provance 2012-9-13 912- 03 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  UCR51924  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  UCR82765  Quercus berberidifolia A. C. Sanders, D. R. Schramm, D. Wappler 1994-10-6 15779 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  RSA769026  Quercus chrysolepis E. W. Lathrop 1968-5-22 6914 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCD63677  Quercus cornelius-mulleri Daniel Sanchez-Mata; Salvador Rivas-Martinez 2008-6-6 s.n. Riverside Joshua Tree. Joshua Tree National Park. Ryan campground close to California Riding and Hiking Trail. 1430 Comment
  UCR187478  Quercus cornelius-mulleri Theresa Johnson 2006-5-18 111 Riverside Peninsular Range, Iron Spring Canyon, 8 miles south of Anza 1402 Comment
  SBBG89607  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flat area; along Horsethief Crk where the trail from the Dolomite Mine crosses 1100 Comment
  UCR112025  Quercus palmeri A. C. Sanders, Mitch Provance 1998-5-14 21848 Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  UCR100366  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  RSA263739  Quercus wislizeni var. frutescens E. W. Lathrop 1968-5-22 6904 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR20789  Rafinesquia californica A. C. Sanders, S. D. Boyd 1980-5-2 1399 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC362618  Rafinesquia neomexicana Ira L. Wiggins 1941-3-27 9688 Riverside 9 miles west of Desert Center Comment
  JEPS37574  Rafinesquia neomexicana W. L. Jepson 1927-4-14 11705 Riverside se end Santa Rosa Mts.; , Silent Canyon 304 Comment
  UC829468  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside wash Cottonwood Spring (Joshua Tree National Monument); , Cottonwood Spring wash Comment
  UCR92713  Raphanus sativus A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18063 Riverside Perris-Aguanga Basin region, Moreno Valley, north of the San Jacinto Wildlife Area, W side of Davis Road at intersection with Allesandro Blvd. 488 Comment
  RSA518505  Rhamnus ilicifolia Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  RSA596147  Rhamnus ilicifolia D. L. Banks 1996-11-7 1195 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  UCR154464  Rhamnus ilicifolia Jason L. Hlebakos 2005-5-30 802 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR23453  Rhamnus ilicifolia John C. Roos, Lucille Roos 1949-4-23 4284 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
  CAS-BOT-BC200034  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  JOTR35932  Rhus aromatica De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6880 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  RSA0120133  Rhus aromatica Duncan S. Bell, Thomas Stoughton 2016-4-13 9253 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCR194814  Rhus aromatica Scott D. White 2006-5-19 11477 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  RSA125660  Rhus integrifolia R. Weatherby 1950-3-6 1059 Riverside Arlington Hills, near Lake Matthews. 335 Comment
  RSA756344  Rhus lancea O. F. Clarke 2009-5-11 s.n. Riverside Riverside, UCR Campus, NW corner of upper reservoir 358 Comment
  SEINET3080877 Image available Rhus lancea A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Murray Canyon off Palm Canyon 244 Comment
  CAS-BOT-BC167972  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass, San Bernardino Co. near Riverside Co. line 152 Comment
  RSA771757  Rhus ovata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4634 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR115380  Rhus ovata June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Santiago Peak 1732 Comment
  RSA0035002  Rhus trilobata Charles MacKechnie 1950-4-29 s.n. Riverside Cranton [Cranston] Ranger Station, San Bernardino Nat'l. Forest. 609 Comment
  RSA543129  Ribes indecorum Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5469 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  SEINET272333 Image available Ribes indecorum A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR142206  Ribes indecorum June Latting 1979-4-1 s.n. Riverside Box Springs Mountain 915 Comment
  UCR51356  Ribes indecorum L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau. west of Murrieta. 610 Comment
  SEINET13942526 Image available Ribes indecorum S. Lambert 1981-1 1919 Riverside San Bernadino National Forest, hwy 74, 6.0 miles W Mountain Center, 3000 feet elevation, streamside 914 Comment
  UCSB7025  Ribes malvaceum var. malvaceum Gill, Robert 1959-3-14 Riverside Santa Ana Mtn Range; Road to Black Star Canyon; Oak flat; from Corona site 365 Comment
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Nov 24 2014
  RSA535479  Ribes malvaceum var. viridifolium Tim S. Ross, Orlando Mistretta 1992-2-2 6657 Riverside Santa Ana Mts, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UC69253  Ribes malvaceum var. viridifolium H. M. Hall 1896-12-13 346 Riverside vicinity Winchester (Juniper Flat) 670 Comment
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Mar 20 2011
  LA26119  Ribes montigenum Harlan Lewis; 1941-7-22 sn Riverside San Jacinto Mountains, San Jacinto Peak 3291 Comment
  JEPS49290 Image available Ribes nevadense W. L. Jepson 1901-5-19 1306 Riverside Strawberry Valley Mt. San Jacinto Comment
  UCR174955  Ribes nevadense Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 354 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  RSA33646  Ribes roezlii Robert L. Rutherford 1945-5-24 1662 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SBBG133563  Ricinus communis S. D. White, A. Carey 2004-7-2 10596 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  POM319730  Ricinus communis Patricia Wilder 1970-10-30 4855 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  CHSC1217  Romneya coulteri E. Thomas 1940-5-11 Riverside Temescal canyon. Comment
  POM17950  Romneya coulteri P. A. Munz 1923-6-14 7108 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA315  Romneya coulteri J. T. Howell 1928-7-7 1036 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  RSA446203  Romneya coulteri F. Post 1931-5-5 s.n. Riverside Lake Elsinore Comment
  CLARK-A1528-364  Rorippa nasturtium-aquaticum Stephen J. Southwell 1971-5-25 Riverside West Riverside 304 Comment
  UC56908  Rorippa nasturtium-aquaticum H. M. Hall Apr. 1902 2958 Riverside vicinity Riverside; vicinity of Riverside 243 Comment
  POM366413  Rubus parviflorus Robert L. Rutherford 1944-6-17 1401 Riverside Above Banning. 1372 Comment
  POM19609  Rubus parviflorus var. bifarius Mary F. Spencer 1923-6-12 2163 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA717476  Ruellia A. C. Sanders 1997-10-13 21587 Riverside Riverside, UCR Botanical Garden 366 Comment
  HSC86139  Rumex acetosella B. Freeman 1969-6-28 6906284 Riverside University of California James Reserve, East of stream nearest gate, along road Comment
  UCR91404  Rumex conglomeratus Scott D. White 1995-4-5 2720 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  RSA191440  Rumex conglomeratus E. W. Lathrop 1967-9-26 6627 Riverside 6 miles NW of Murrieta. Comment
  RSA180404  Rumex crispus E. W. Lathrop 1965-5-30 5777 Riverside 6 miles W of Murrieta. Comment
  UCR89644  Rumex obtusifolius 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
  CDA23193  Rumex salicifolius Scott D. White 1998-7-31 6930 Riverside Peninsular Ranges; San Jacinto Mountains; Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Humber Park Comment
  SEINET13203160 Image available Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-1 1412 Riverside Peninsular Range: Gavilan Hills, c. 0.75 mile south-southeast of Stelle Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore (Lake Elsinore 7.5' Q.) 579 Comment
  UCR154377  Rumex salicifolius A. C. Sanders, Mike Misenhelter 2005-6-15 30955 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
  RSA466124  Rumex salicifolius var. denticulatus M. B. Dunkle 1933-7-20 3703 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR95956  Rumex salicifolius var. denticulatus Scott D. White 1996-8-1 4430 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SD224912  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  JEPS62518  Salazaria mexicana Marjorie D. Clary 1932-5-26 1158 Riverside s of 29 Palms Hexie Mt. (Pleasant Valley); , Pleasant Valley 1066 Comment
  RSA19551  Salazaria mexicana Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon. Comment
  UCR240063  Salazaria mexicana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40507 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  CLARK-A1528-834  Salix Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  JOTR35929  Salix exigua De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6877 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  POM184904  Salix exigua H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM2076  Salix exigua I. M. Johnston 1918-5-26 1994 Riverside Santa Ana River, NW of Corona. 152 Comment
  POM2077  Salix exigua I. M. Johnston 1918-5-30 2017 Riverside Temescal Canyon 366 Comment
  RSA71977  Salix exigua Philip A. Munz, Percy C. Everett 1952-5-2 16238 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SDSU9444  Salix exigua A. H. Gallup 1949-3-28 360 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope. 762 Comment
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Jan 30 2013
  JOTR31070  Salix exigua var. hindsiana La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2052 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  CAS-BOT-BC108114  Salix gooddingii Ivan Johnston 1917-4-4 1056 Riverside Palm Canyon - Colorado Desert 457 Comment
  UCR104901  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  RSA605758  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Lakeview Mountains: N of Winchester, at Maze Stone Picnic Area. Coarse alluvium and adjacent granitic hillside, SE- facing slope 579 Comment
  RSA772064  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4461 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
  SD225102  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Perris Basin: Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. 609 Comment
  UC1287122  Salix laevigata C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi e Glen Ivy Hot Springs Comment
  POM2044  Salix lasiolepis W. L. Jepson, H. M. Hall 1901-5-17 1307 Riverside Strawberry Valley. 1616 Comment
  POM50388  Salix lasiolepis W. W. Eggleston 1924-3-10 19540 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA772578  Saltugilia australis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5047 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA0095111  Saltugilia australis Steve Boyd 1980-5-6 s.n. Riverside Motte Reserve. Rocky hills 2.5 mi NW of Perris. 518 Comment
  RSA124429  Saltugilia splendens Percy C. Everett, E. K. Balls 1958-5-4 23083 Riverside Morongo Canyon. 671 Comment
  UC416726  Salvia Fred M. Reed 1908-3-8 2250 Riverside vicinity Riverside (Box Springs Mt.); , Box Springs Mt. Comment
  UCR107740  Salvia apiana D. L. Banks 1997-5-5 1967 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UC63764  Salvia carduacea H. M. Hall May 1899 Riverside San Jacinto Valley Comment
  UCR172728  Salvia carduacea Andrea Salzman, Rosina Gallego 2006-4-21 83 Riverside Perris-Aguanga Basin, Wilson Valley between Sage and Radec, off Sage Road 640 Comment
  RSA401478  Salvia columbariae Christopher Davidson 1979-4-4 7730 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  SD38584  Salvia columbariae E. A. Purer 1935-4-21 6468 Riverside W edge of Colorado Desert Comment
  SDSU7472  Salvia columbariae Stan Matler 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  SEINET11191806  Salvia columbariae Daphne Christopher, Stevens, Hannah 2003-4-3 78 Riverside Motte Rimrock Reserve Comment
  SEINET2066015 Image available Salvia columbariae C. Francis Shutts 1949-3-18 40 Riverside 'Box Canyon', old Mecca Blythe Hwy, Orocopia Mountains 182 Comment
  UCLA69693  Salvia eremostachya Elizabeth McClintock 1941-5-30 Riverside near Tule Creek; Coyote Canyon Comment
  UCSB5789  Salvia eremostachya Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats Comment
  OBI32627  Salvia mellifera O. F. Clarke 1972-3-13 s.n. Riverside UCR botanic garden; hybrid found by D. Kucera Comment
  CAS-BOT-BC233337  Salvia vaseyi Peter H. Raven 1958-5-6 12929 Riverside Southwest of Palm Desert 10.2 miles on State Highway 74, San Jacinto Mountains 762 Comment
  RSA556504  Sambucus mexicana Julie Greene 1993-4-3 1083 Riverside [Unspecified] 440 Comment
  POM251788  Samolus parviflorus J. C. Roos 1937-6-19 23 Riverside Murrietta Hot Springs. Comment
  SDSU13913  Sanicula arguta Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2067 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  SD133203  Sanicula crassicaulis Scott White 1991-5-13 91 79 Riverside Highway 79 immediately west of U.S. Forest Service Campground at Dripping Springs. 550 Comment
  UCR104630  Sanicula tuberosa D. E. Bramlet 1991-4-30 1979 Riverside Southwestern Riverside County Mulit-Species Reserve (Shipley), Southwestern portion of the Crown Valley-Rawson Canyon region, 6,700 ft. east of Rawson Canyon and 4,200 ft northeast of Black Mt., north facing slope, adjacent to an unnamed drainage ~1,800 ft southeast of the existing access road 689 Comment
  SBBG45008  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove 1828 Comment
  UC23115  Sarcostemma cynanchoides subsp. hartwegii H. M. Hall June, 1901 2104 Riverside e. base along borders of Colorado Desert San Jacinto Mts.; Colorado Desert, San Jacinto Mts. Comment
  UCR217505  Satureja chandleri Ana Hernandez 2009-4-28 008 Riverside Santa Ana Mtns: foothills, Santa Rosa Plateau, near Tenaja Rd., on north-facing slope and drainage 512 Comment
  UCR35277  Saxifraga californica L. B. Ziegler 1974-4-2 523 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  SD234790  Scandix pecten-veneris G. K. Helmkamp, E. A. Helmkamp 2008-3-22 13236 Riverside Sierra Nevada Mountains Foothills: along Mokelumne Vista Road at the junction with CA-49, just west of Mokelumne Hill village (Mokelumne Hill 7.5'Q) 479 Comment
  RSA645545  Schinus polygamus A. C. Sanders, G. Helmkamp 1995-12-5 17930 Riverside Riverside: abandoned orange orchard on Spruce St. at Canyon Crest Dr. 300 Comment
  UCR113624  Schinus terebinthifolius O. F. Clarke 2000-10-4 s.n. Riverside Santa Ana River Valley, Hidden Valley Nature Center, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  RSA401453  Schismus barbatus Christopher Davidson 1973-4-1 1785 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UCD93259  Schismus barbatus Peter Kamb 1948-4-11 893 Riverside Lower Sonoran Zone. Aqueduct Road 5 mi east of Garnet, Coachella Valley. 304 Comment
  UCR112018  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  RSA544407  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross 1991-6-14 6375 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR92354  Scirpus robustus Scott D. White, S. Ogg 1994-10-17 2501 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  CSUSB908  Scrophularia californica Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  RSA0120311  Scrophularia californica Duncan S. Bell 2016-4-16 9316 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR123877  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  LA55076  Scutellaria mexicana A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  LA55077  Scutellaria mexicana James Lauter; 1953-5-25 sn Riverside 11 mi. S of Indio-Palm Springs Highway on US Hwy 74 1219 Comment
  UCR35332  Scutellaria siphocampyloides L. B. Ziegler 1967-7-26 196 Riverside San Jacinto Mtns, Thomas Mountain 2058 Comment
  SD152815  Scutellaria tuberosa subsp. australis Steve Boyd, Time Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA770845  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4943 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm). 850 Comment
  UCD135974  Selaginella bigelovii Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  UCR121307  Selaginella bigelovii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25016 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR97248  Selaginella bigelovii Scott D. White 1997-2-28 4715 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  CAS-BOT-BC69810  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water. 426 Comment
  RSA684089  Selaginella eremophila M. D. Proctor 1942-4-4 506 Riverside Andreas Canyon, east base of San Jacinto Mts. 305 Comment
  CAS-BOT-BC323972  Senecio flaccidus var. douglasii Donald A. Johansen 1933-7-14 712 Riverside Mesa Mira, from Yucaipa towards Oak Glen and from there towards Beaumont. 1524 Comment
  POM10293  Senecio flaccidus var. douglasii F. M. Reed 1903-10-24 19 Riverside Temescal Valley near mouth of Cold Water Canyon Comment
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Apr 7 2011
  RSA472989  Senecio flaccidus var. douglasii I. W. Clokey 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  RSA0124176  Senecio flaccidus var. douglasii P. A. Munz 1927-5-21 10889 Riverside Coahuila Creek. 671 Comment
  LA212194  Senecio flaccidus var. monoensis James R. Shevock; 1972-10-14 2317 Riverside Coyote Canyon, Upper. 609 Comment
  RSA518768  Senecio mohavensis O. F. Clarke 1973-4-1 s.n. Riverside Sonoran Desert, on a plateau above Box Canyon, along State Hwy 195, ca. midway between Hwy I-10 and the Salton Sea. Comment
  SBBG100864  Senecio vulgaris W. L. Halvorson 1977-3-13 77 -173 Riverside near Temecula Comment
  UC1537030  Senecio vulgaris Gordon H. True Jr. 1935-4-1 199 Riverside Box Springs 365 Comment
  SD48392  Senegalia greggii E. K. Balls, P. C. Everett 1957-8-20 22664 Riverside Morongo Pass, 8.75 miles north along the road to 29 Palms from the junction with US Hwy 60/70/99, in dry rocky wash & cliffs 640 Comment
  UCR38251  Senna covesii J. M. Stewart 1985-3-16 8503 Riverside Sonoran (Colorado) Desert, Santa Rosa Mtns., Martinez Canyon 259 Comment
  CAS-BOT-BC438202  Sesuvium verrucosum P. A. Munz; I. M. Johnston 1918-4-27 2165 Riverside Lake Elsinore Comment
  UCR39399  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  UCR2740  Setaria pumila F. M. Reed 1906-5-6 971 Riverside South Coast; San Bernardino Valley, Riverside, cultivated ground on 'Reserve Ranch', sec. 30 317 Comment
  RSA503415  Sidalcea malviflora J. D. Olmsted 1962-5-10 3634 Riverside western Riverside County, just north of SE edge of Santa Ana Mts., S Divide T.T. before dropoff; SSW of Lake Elsinore. 1006 Comment
  RSA666999  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) just west of Camaron Rd., east of Calle Calmar. 396 Comment
  UCR90493  Sidalcea malviflora F. M. Reed 1933-5-31 7818 Riverside San Jacinto Mtns., Vandeventer Flats 1433 Comment
  POM13148  Sidalcea malviflora subsp. sparsifolia P. A. Munz, I. M. Johnston 1922-5-19 5428 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  SBBG118810  Sidotheca trilobata R. Pant, D. Banks 1996-5-1 1013 Riverside Cutca Trail, E of the Cutca Valley, ca. 0.5 mi W of the Aguanga Trail jct Comment
  SBBG94888  Sidotheca trilobata C. McGaugh 1990-8-8 Riverside SW Durasno Valley, S of town of Anza 1371 Comment
  CHSC117998  Sidotheca trilobata R. F Thorne; W. Wisura, Dave Mitchener 1982-1-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  SD137806  Silene laciniata subsp. major Darin L. Banks, Steve Boyd 1995-5-17 449 Riverside Agua Tibia Mountains; northwest Palomar Mountains; Cleveland National Forest, east of the Dripping Springs Alcove area. 590 Comment
  UCR177941  Silene lemmonii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 532 Riverside Transverse Range