Search Results — 2000 specimen records retrieved (1901 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA518549  Abies concolor F. C. Vasek 1977-11-25 771125 -12 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  CDA23833  Abronia pogonantha M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  CAS-BOT-BC229308  Abronia villosa John F. Green 2005-3-3 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca. 4 mi N of Niland; between siphons 10 and 11 46 Comment
  CAS-BOT-BC229347  Abronia villosa Ivan Johnston 1917-4-4 1111 Riverside Near Palm Springs Comment
  UCD109820  Abronia villosa Geoffrey Levin 1975-4-5 461 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR42400  Abronia villosa J. M. Stewart 1986-2-24 86- 14 Riverside Sonoran (Colorado) Desert, Coachella Valley, Country Club Drive, 0.6 mi. west of Washington Street, Palm Desert 43 Comment
  RSA749942  Abronia villosa var. aurita Justin M. Wood 2009-3-26 409 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR268585  Abronia villosa var. aurita Jim Andre 2012-6-15 30546 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA87019  Acacia greggii var. arizonica F. W. Peirson 1921-4-11 4066 Riverside Murray Canyon. Palm Springs region. Comment
  CAS-BOT-BC30903  Acamptopappus sphaerocephalus C. B. Wolf 1932-5-25 3681 Riverside San Gorgonia Wash. On road to Snow Creek Canyon 365 Comment
  JEPS23587  Acamptopappus sphaerocephalus var. sphaerocephalus Peter H. Raven 1958-5-18 12996 Riverside 4.9 mi ne, along State Highway 74 Pinon Flats; San Jacinto Mountains Comment
  POM294266  Acamptopappus sphaerocephalus var. sphaerocephalus Lyman Benson 1945-3-29 11644 Riverside 2 miles south of Whitewater. 366 Comment
  CAS-BOT-BC210592  Achnatherum coronatum H. M. Hall 1899-5-27 1167 Riverside San Jacinto Mountains. El Toro Mt., Coyote Canon [Canyon] 1584 Comment
  RSA296155  Achnatherum coronatum B. A. Prigge 1980-8-5 3830 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  POM365981  Achnatherum hymenoides Martha Hilend 1928-3-11 107 Riverside About 6 miles SE of Garnet Station Comment
  RSA697717  Achnatherum hymenoides J. Russell Bruff 1928-4-11 73 Riverside Whitewater. Comment
  SEINET1910241 Image available Achnatherum hymenoides Sarah De Groot, Mark Porter 2006-1 5204 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  CAS-BOT-BC384725  Achyronychia cooperi Roxana S. Ferris 1918-6-14 970 Riverside Desert at Palm Springs Comment
  RSA423488  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  SBBG100716  Achyronychia cooperi W. L. Halvorson 1977-3-8 77 -87 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SJSU10123  Achyronychia cooperi T. N. Seeno 1963-4-12 276 Riverside Sky Valley 10-12 mi NNW of Palm Springs 426 Comment
  JOTR34089  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  UCD170827  Acmispon glaber var. brevialatus T. B. Salvato; John F. Green 2004-5-27 622 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. Comment
  SBBG101801  Acmispon strigosus S. Boyd, T. Ross, M. Hammitt 1991-5-2 6048 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SDSU13528  Acourtia microcephala W. Miller, C. Mosse 1972-7-12 Riverside Comment
  UCR272482  Acroptilon repens Mitch Provance 2013-6-18 613- 28 Riverside San Bernardino Valley, Riverside, S corner of North Main St. and Dublin Way. 247 Comment
  JOTR36184  Adenophyllum porophylloides La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3333 Riverside Joshua Tree National Park. Queen Mountain: near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  RSA721885  Adenophyllum porophylloides J. Mark Porter, Orlando Mistretta 2003-6-5 13619 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 southeast. 412 Comment
  UC495185  Adenostoma fasciculatum P. A. Munz 1932-4-24 12394 Riverside San Jacinto Mts., Snow Creek Canyon 457 Comment
  LA207891  Adenostoma sparsifolium Carl Epling; 1931-10-4 sn Riverside Hewitt to idyllwild Comment
Read comments
Feb 23 2014
  RSA711993  Agave A. C. Sanders 1984-8-6 5166 Riverside UCR Botanical Garden. 335 Comment
  RSA125248  Agave deserti subsp. deserti E. K. Balls, Percy C. Everett 1957-8-20 22671 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 502 Comment
  SD181782  Agrostis exarata Scott D. White 2000-8-5 8107 Riverside San Jacinto Mountains, near Mountain Center, unnamed ephemeral drainage (tributary to South Fork, San Jacinto River); Idyllwild [quad]. 1402 Comment
  UC1137144  Agrostis exarata August L. Hormay 1932-8-8 Riverside Tahquity Valley Comment
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Dec 21 2009
  RSA482017  Agrostis idahoensis Richard Noyes, L. Arnseth 1988-9-10 728 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  RSA591754  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UCR39540  Agrostis pallens A. C. Sanders 1980-7-22 1727 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR125292  Albizia julibrissin A. C. Sanders 2002-11-21 25635 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA27526  Allionia incarnata I. L. Wiggins 1941-3-27 9682 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA462622  Allionia incarnata Albert J. Perkins 1916-4-15 s.n. Riverside Palm Springs. Comment
  UCR260253  Allionia incarnata A. C. Sanders, Jim Malusa 2015-3-11 41393 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCR239205  Allium campanulatum Steven R. Hill 2001-4-29 33524 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  SEINET182580  Allium fimbriatum I. W. Clokey, CB Clokey; B. Templeton 1930-4-15 4621 Riverside Gavilan Peak 600 Comment
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Mar 2 2014
  RSA524460  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4063 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  SEINET269551  Allium haematochiton Michael A. Patten 1992-4-29 Riverside Temecula area: Pala Road northwest side of bridge over Temecula Creek. Comment
  UCR281245  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 72 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UC64076  Allium lacunosum H. M. Hall May 17 1901-Jun 1 1901 1858 Riverside e base of San Jacinto Mt. San Jacinto Mt. Comment
  UC154668  Allium marvinii Rensselaer J. Smith May 300 Riverside Beaumont Hills Comment
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Apr 2 2011
  RSA479529  Allium munzii Steve Boyd, Walter Wisura 1987-4-29 2071 Riverside Gavilan Hills, south of Ida-Leona Road, south of Harford Springs County Park 640 Comment
  UCR217516  Allium munzii Lee A. Ripma, JLV 2008-4-2 042 Riverside Foothills of the Santa Ana Mtns, Alberhill, South of Hwy 15, south of Walker Canyon 444 Comment
  UCR77571  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6129 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  RSA495447  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2975 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR251342  Allium peninsulare S. J. Myers 2014-5-21 1053 Riverside Western Edge Sonoran (Colorado) Desert, side canyon ('Toutain Canyon') on east side of Whitewater Canyon 756 Comment
  HSC86857  Allophyllum divaricatum K. Harper 1988-5-14 Riverside San Jacinto Mtns. along Hwy. 243, 1-2 mi. below Mt. Edna turn off Comment
  UCR44452  Allophyllum divaricatum A. C. Sanders, B. Pitzer 1986-4-30 6486 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  UCR68844  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4623 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  UCR92338  Allophyllum glutinosum Scott D. White, M. D. Wilcox 1995-7-13 3478 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
  UC2015571  Amaranthus albus Scott D. White 1995-6-30 3438 Riverside Murrieta area, W Riverside Co. (Santa Ana Mtn. foothills) Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence. Comment
  UCR134606  Amaranthus albus Marisa Sripracha, Kyle Boyd 2004-2-14 029 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA714661  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60. 503 Comment
  POM153376  Amaranthus californicus P. A. Munz, I. M. Johnston 1928-9-12 11247 Riverside Temescal Canyon, Lee s Lake. Comment
  RSA0099444  Amaranthus fimbriatus Duncan S. Bell, Evan Meyer 2014-10-29 7694 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA644209  Amaranthus fimbriatus V. W. Steinmann 1999-10-26 1419 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UCR59715  Amaranthus fimbriatus A. C. Sanders 1989-9-19 9508 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  CLARK-A1528-1398  Amaranthus hybridus John C. Roos 1965-10-13 Riverside Corona Comment
  CAS-BOT-BC226254  Amaranthus palmeri A. C. Sanders 2011-9-15 39896 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  RSA451025  Amaranthus retroflexus Stephen M. Beckstrom-Sternberg 1985-9-10 1015 Riverside U.C.R. garden plots. Comment
  UCD97750  Amaranthus retroflexus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 472 Comment
  UCR34996  Amaranthus retroflexus L. B. Ziegler 1970-8-27 420 Riverside San Jacinto Mountains, (Hemet) Garner Valley 1400 Comment
  CLARK-A1528-145  Ambrosia acanthicarpa Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA516900  Ambrosia dumosa Orlando Mistretta 1986-3-13 1420 Riverside Northeast of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (Rd. going through pass between Palen and Granite Ranges). 183 Comment
  SD30766  Ambrosia dumosa Edith A. Purer 1935-4-21 6455 Riverside Desert floor, western Colorado Desert. Comment
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
Read comments
Jul 14 2012
  UCR101565  Ambrosia dumosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR256334  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UCR263505  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 020 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  SDSU12970  Ambrosia psilostachya Michael G. Simpson 1999-10-27 2038 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SDSU13506  Ambrosia psilostachya W. Miller with C. Mosse 1972-7-13 Riverside west of M.W.D. Station. Comment
  RSA615546  Ambrosia pumila Fred M. Roberts 1997-6-29 5043 Riverside Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore. 117 Comment
  CAS-BOT-BC273005  Ambrosia salsola J. M. No date on label 0018 Riverside HTGR Site, Vidal Junction Comment
  SEINET10797866  Ambrosia salsola David B. Dunn 1946-3-15 Dunn 2042 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  JEPS39439  Ambrosia salsola var. salsola L. M. Newlon 1926-4-2 421 Riverside highway between Westmorland and Indio Comment
  RSA764130  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 571 Riverside Cleveland National Forest Comment
  UC219586  Amorpha fruticosa P. A. Munz 1922-6-24 5790 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
  UC597728  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring Santa Rosa Mts. (n end of mts.) 1097 Comment
  UCR16784  Amsinckia intermedia C. M. Bringle 1967-4-2 s.n. Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  UCR215610  Amsinckia intermedia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 06 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR113213  Amsinckia menziesii A. C. Sanders 1998-1-15 21644 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR22049  Amsinckia menziesii Steve Boyd 1980-4-27 140 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UC667264  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2225 Riverside 1/2 mi. n. Cottonwood Spring; Colorado Desert, Eaagle Mts. 914 Comment
Read comments
May 20 2012
  UC1595560  Ancistrocarphus filagineus Steve Boyd and Orlando Mistretta 1991-5-22 6312 Riverside e of Dorland Mtn. (w of Kolb Crk., base of Agua Tibia Mtn., Vail Lake area); Vail Lake, Agua Tibia Mtn. 548 Comment
  UCD56048  Andropogon glomeratus Lewis S. Rose 1945-12-23 45298 Riverside Colorado Desert, Palm Springs. 137 Comment
  RSA192108  Anemopsis californica E. W. Lathrop 1965-5-27 5204 Riverside 6 miles west of Murrieta. Comment
  RSA594528  Anemopsis californica D. L. Banks, Dylan Hannon 1996-5-3 1008 Riverside Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; 60 M NW of the end of the Dripping Springs campground drive, where the road makes a loop turn-around, W of the campground road. 493 Comment
  RSA640827  Anemopsis californica L. C. Wheeler 1931-4-17 s.n. Riverside Santa Ana River south of Chino. Comment
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Jun 10 2012
  UCD137873  Anemopsis californica Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3727 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  UC485492  Antennaria argentea A. W. Anthony 1899-1-1 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC79932  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  RSA660484  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet: alkaline flats west of town, along Stetson Ave. W of Warren Rd. 457 Comment
  UCR280835  Anthemis cotula T. B. Salvato, Gregg Miller 2005-6-3 1371 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  JOTR31068  Antirrhinum coulterianum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2050 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
  POM29600  Antirrhinum coulterianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA192075  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  RSA586796  Antirrhinum coulterianum D. L. Banks, Steve D. Boyd 1995-5-3 234 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
Read comments
May 9 2016
  UC455557  Antirrhinum coulterianum I. J. Condit 1910-6-24 Riverside road to Strawberry Valley; San Jacinto Mts. 914 Comment
  UCR162269  Antirrhinum coulterianum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR86988  Antirrhinum coulterianum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  SEINET270927 Image available Antirrhinum filipes Richard J. Shaw 1096 Riverside Joshua Tree National Monument ; Rare in Octillo Garden between White Tank and South Entrance. Comment
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May 13 2016
  CLARK-A1528-4169  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  UCR225442  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato 2011-3-29 38843 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR16846  Antirrhinum nuttallianum subsp. nuttallianum Margaret-Lee Dean 1965-4-5 s.n. Riverside Perris-Aguanga Basin Region, Bernasconi Hills, 6 mi east of Hwy 395 on Martin Road 488 Comment
  HSC85461  Apiastrum angustifolium Steve Boyd 1986-4-2 1585 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR133670  Apiastrum angustifolium Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  POM20025  Apium graveolens Mary F. Spencer 1923-6-5 2205 Riverside Saboba Hot Springs. 518 Comment
Read comments
Apr 1 2013
  RSA66246  Arabis holboellii var. retrofracta E. C. Jaeger 1922-6-29 5442 Riverside Lower Tahquitz Valley 2043 Comment
  RSA66252  Arabis johnstonii F. W. Peirson 1922-5-21 3030 Riverside Along east side of Hemet Valley 1357 Comment
  UCR87938  Araujia sericifera A. C. Sanders 1994-1-30 14221 Riverside Corona, Orange Heights section. D.R. Horton Custom Homes tentative tract, north side of Chase Drive between Rimpau (Lester) Avenue and California (Compton) Avenue 300 Comment
  RSA629369  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16848 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629390  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19514 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629425  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16844 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  POM367273  Arctostaphylos glandulosa subsp. glandulosa I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet. 630 Comment
  RSA629418  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19499 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  CAS-BOT-BC24672  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 mi. sw. of summit of Moreno Grade, Bad Lands, sw. of Beaumont. 609 Comment
  POM367319  Arctostaphylos glauca Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA6124  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 Comment
  RSA631737  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19285 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631755  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16508 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631798  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19571 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631818  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19257 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631825  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16609 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  UCR278097  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42677 Riverside Peninsular Range; San Jacinto Mountains, Along Hwy 74 below Mountain Center and above White Post Turn, c. 3.1 miles below McCall Park Rd. 1216 Comment
  RSA633582  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22523 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633618  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16681 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633625  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16688 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633738  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20107 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633764  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21772 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  CHSC90113  Arctostaphylos pringlei subsp. drupacea Donald G. Miller III 1998-7-26 Riverside Santa Rosa Mountain Road, 1 km south of Highway 74. [Longitude on label is 117 degrees 30' 71'.] 1400 Comment
Read comments
Nov 8 2020
  LA42427  Arctostaphylos pringlei subsp. drupacea O. A. Plunkett; 1926-5-16 sn Riverside San Jacinto Mountains 1371 Comment
  RSA277085  Arctostaphylos pringlei subsp. drupacea R. S. Woglum 1941-6-12 3051 -A Riverside Idyllwild. Comment
  SBBG118569  Arctostaphylos pringlei subsp. drupacea L. Gross, F. Navidara, V. Soza 2003-6-23 1120 Riverside Black Mtn Rd (4501), SE of Black Mtn and NW of Fuller Mill Crk; T4S R2E S14 2012 Comment
  RSA635779  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16727 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635797  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16553 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR95955  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA636012  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18805 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636161  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18808 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD180727  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 411 Riverside Santa Margarita Ecological Reserve, on bench ca. 1/3 up steep slope from river bottom. 264 Comment
  UCR48523  Arenaria douglasii Steve Boyd 1986-4-20 1724 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 640 Comment
  UCR79485  Arenaria douglasii Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7340 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  POM19799  Argemone munita subsp. munita Mary F. Spencer 1923-8-17 2181 Riverside Prope [near] Kenworthy, Hemet Valley; San Jacinto Mt. 1372 Comment
  UC1930181  Aristida adscensionis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10504 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  SEINET10511900  Aristida adscensionis Leila M. Shultz, John S. Shultz 1985-4-18 Shultz 8332 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15), T6S R15E. Larrea, Fouquieria splendens, Ambrosia dumosa, Ferocactus association. Granite outcrop. 616 Comment
  RSA28051  Aristida adscensionis var. abortiva I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  JOTR30070  Aristida californica var. californica La Doux, Tasha, Bill Truesdell 2006-10-3 1713 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  HSC78527  Aristida purpurea J. C. Roos 1966-4-29 Riverside Hills between March AFB and Lakeview Comment
  RSA782353  Aristida purpurea Stephanie Rockwood, Christi Gabriel 2011-10-18 132 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
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Sep 10 2016
  RSA0094182  Aristida purpurea var. nealleyi Jim M. Andre 2012-4-11 20698 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  POM230231  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1933-8-21 6984 Riverside West of Keen Camp 1360 Comment
  UC64840  Artemisia douglasiana E. A. Zumbro 1904-1-1 419 Riverside Cold Water Canon Santa Ana Mts., Cold Water Canon Comment
  UCR163793  Artemisia douglasiana John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  RSA788964  Artemisia dracunculus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49533 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  RSA741738  Artemisia dracunculus subsp. dracunculus Michael Wall 2008-10-3 492 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  SEINET10723658  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2737 Riverside Found 2 mile west of Hidden Lake along trail in San Jacinto Mts. Comment
  JOTR32635  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA90123  Artemisia ludoviciana subsp. incompta E. K. Balls, Percy C. Everett 1953-8-19 18542 Riverside About Mountain Home Spring, Santa Rosa Mountain 1921 Comment
  RSA0048565  Artemisia tridentata Nancy Anderson 1955-5-21 s.n. Riverside Van der Venter [Vandeventer] Flats. Comment
  RSA588758  Artemisia tridentata subsp. tridentata Darin L. Banks, Steve Boyd 1995-10-26 0836 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Woodchuck Road, N of Woodchuck Campground; Approximately 0.15 miles from Hwy. 79, along a small drainage that crosses the road. 518 Comment
  UCR138603  Artemisia tridentata subsp. tridentata D. L. Banks 1996-11-7 1207 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  SEINET3081968 Image available Asclepias albicans Andrew C. Sanders, Charlton, Pitzer, Stewart, et al. 1986-3-2 6060 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mountains. 503 Comment
  UC111252  Asclepias californica H. M. Hall Apr. 1897 Riverside Temecula Ck. Nigger Jim Canyon Comment
  CSUSB90  Asclepias eriocarpa Morse 1974-7-15 S. N. Riverside San Jacinto Mountains 0.5 mile east of Garner Ranch Entrance on Highway 74 1371 Comment
  UCR193857  Asclepias eriocarpa A. C. Sanders, Mitch Provance 2008-7-11 35822 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CDA39850  Asclepias erosa T. C. Fuller 1962-10-2 9700 Riverside South side of Hwy. 60-70 to Blythe, ca. 10 miles east of Desert Center. 0 Comment
  RSA401228  Asclepias erosa N. C. Cooper 1944-5-20 2641 Riverside Palm Springs. 137 Comment
  SEINET12518425 Image available Asclepias subulata Mark Fishbein, Frankie Coburn, Danny Fuller 2016-1 7547 Riverside Along US Hwy 95 at jct Lonesome Dove Rd, 18 km north-northeast of jct I-10 at Blythe, west base of Big Maria Mountains, Colorado River valley. 93 Comment
  UCR96185  Asclepias subulata B. G. Pitzer 1996-11-9 2927 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  UCR50583  Asparagus asparagoides B. G. Pitzer, E. Misquez 1988-2-28 0636 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA85574  Aspidotis californica J. C. Roos 1952-4-9 5499 Riverside north side of Mt. Rubidoux 381 Comment
  CAS-BOT-BC477876  Asteraceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountian, a short distance below summit. Comment
  SEINET2060370 Image available Astragalus bicristatus Reid Moran 1973-7-28 21111 Riverside North slope of Toro Peak, Santa Rosa Mountains. 2310 Comment
  JOTR32363  Astragalus coccineus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2478 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  RSA415430  Astragalus coccineus Martha Hilend 1928-1-31 s.n Riverside N.W. of Pinto Basin, Colorado desert. Above new El Dorado mine. Comment
  POM263028  Astragalus didymocarpus J. C. Roos 1937-5-23 695 Riverside La Sierra. Comment
  UC81306  Astragalus douglasii var. douglasii S. B. and W. F. Parish Apr. 1882 1407 Riverside Morongo Comment
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Jul 4 2007
  SEINET3132644  Astragalus douglasii var. parishii R. W. Spellenberg, D. Jackson 1972-5-19 2823 Riverside 3.8 mi SE of Lake Hemet, along California State Hwy 74 1402 Comment
  UCR168456  Astragalus filipes Orlando Mistretta, Mark A. Elvin 1995-6-19 1780 Riverside Peninsular Ranges; San Jacinto Mountains, State Hwy 74 [San Jacinto River Canyon above Cranston Guard Station, vicin. of old Idyllwild Control Rd.] 1433 Comment
  UCR174158  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32601 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
  UCR237114  Astragalus gambelianus Duncan S. Bell, Joy England 2010-5-17 1007 Riverside San Jacinto Mountains, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and forest service road 5S15 1045 Comment
  SD43742  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1973 Riverside 3.0 miles west of Blythe. Comment
  RSA415587  Astragalus lentiginosus var. coachellae W. Hutchinson 1925-4-1 s.n. Riverside Palm Springs. Comment
  RSA6117  Astragalus lentiginosus var. coachellae C. B. Wolf 1932-5-25 3685 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  UCR86648  Astragalus lentiginosus var. coachellae A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16257 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
  RSA787700  Astragalus lentiginosus var. fremontii Duncan S. Bell 2012-4-5 3312 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  RSA202707  Astragalus palmeri Marcus E. Jones 1933-4-2 s.n Riverside Palms to Pines Road, S of Coachella Valley. 1067 Comment
  RSA596769  Astragalus pomonensis D. L. Banks, K. D. Hedge 1996-5-16 1033 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, E of the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  POM9086  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-2-28 3253 Riverside 3 miles west of Corona. 305 Comment
  JOTR29375  Astragalus tricarinatus La Doux, Tasha, Mike Bell 2006-5-10 1452 Riverside Joshua Tree National Park. East Deception Canyon, near park boundary Comment
  LA205753  Astragalus tricarinatus Harlan Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  UCR51674  Astragalus tricarinatus Lyman Benson 1945-4-6 11655 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater Canyon, 3 mi above Whitewater 579 Comment
  RSA525687  Athysanus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4558 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA606389  Athysanus pusillus Jon E. Keeley 1994-4-7 25288 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  RSA615121  Athysanus pusillus A. C. Sanders, George K. Helmkamp 1997-3-15 19934 Riverside Lake Skinner area, hill E of Skinner Lake at NW end of Tucalota Hills. 518 Comment
  UCR97699  Athysanus pusillus A. C. Sanders, G. Helmkamp 1997-3-15 19934 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  CAS-BOT-BC98820  Atrichoseris platyphylla R. Bacigalupi 1928-2-1 s.n. Riverside Colorado Desert - Painted Canyon Comment
  RSA23225  Atrichoseris platyphylla Ernest Braunton 1940-4-3 2017 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  UCR251648  Atrichoseris platyphylla Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 761 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SFV9419  Atriplex canescens M. L. Vincent, R. H. Swade 1963-10-19 456 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC1136263  Atriplex canescens R. St. John 1929-1-24 5 Riverside mouth Bautista Canyon; San Jacinto Quad., Mouth of Bautista Canyon Comment
  POM202642  Atriplex canescens var. laciniata W. M. Ingram 1934-10 2 Riverside 6 miles southwest [southeast] of Whitewater Highway 99, Colorado Desert. Below sea level. Comment
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Dec 11 2011
  UCR274331  Atriplex elegans Mitch Provance 2012-7-11 612- 63 Riverside Badlands of Western Riverside County, Beaumont, S side of 4th St., near Risco Circle 773 Comment
  SD251214  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon just to the west of Mecca Hills peak 1642. 138 Comment
  UCSB60201  Atriplex pacifica Bramlet, D. 1991-4-29 Riverside 6.5 km. W of Hemet, 600 m. S and W of the intersection of Warren and Florida 457 Comment
  CAS-BOT-BC176530  Atriplex polycarpa D. B. Dunn; H. Brown 1947-1-12 2835 Riverside Pushawalla Canyon, Indio Hills Comment
  CAS-BOT-BC176536  Atriplex polycarpa S. B. Parish 1912-6-28 8116 Riverside Near Mecca, upper end Salton Sea Comment
  RSA724123  Atriplex polycarpa R. E. Riefner 2006-10-9 6 -488 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Dr. at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  RSA737228  Atriplex prostrata Justin M. Wood 2008-9-22 148 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SDSU13515  Atriplex semibaccata W. Miller with C. Mosse 1972-7-20 Riverside Under oak tree where north road comes into river bottom nor th of beaver dam. Comment
  UCR94949  Atriplex semibaccata Scott D. White 1996-9-22 4542 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  UCD97827  Atriplex serenana A. C. Sanders; K. C. Rose 1999-6-18 22830 Riverside Domenigoni Valley; upper Warm Springs Creek between Hwy 79 (Winchester Road) and Scott Road, Domenigoni Ranch, South of Winchester. 433 Comment
  UCR172138  Atriplex serenana A. C. Sanders 2006-5-11 32254 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  RSA556460  Atriplex serenana var. davidsonii Julie Greene 1993-4-30 1247 Riverside San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, E of Davis Road. 433 Comment
  UCR110379  Atriplex suberecta A. C. Sanders, Mitch Provance 1999-9-26 23115 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
  UCR163984  Atriplex triangularis John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR202437  Avena fatua 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
  RSA586491  Avena fatua D. L. Banks, Steve Boyd 1995-5-9 321 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
  UCD129391  Baccharis brachyphylla J. C. Roos 1946-9-14 3008 Riverside near Dos Palmos Spring. East of Asbestos Mountain. 1066 Comment
  UCR213766  Baccharis brachyphylla Scott D. White, Justin M. Wood 2009-4-29 12626 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  UCR264222  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  RSA0062663  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. Elsinore. Comment
  SFV3737  Baccharis pilularis C. T. Brandhorst 1963-3-15 s. n. Riverside Palm Desert. Comment
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Mar 10 2013
  CAS-BOT-BC106743  Baccharis salicifolia Robinson; Crocker 1916-4-3 s.n. Riverside Elsinore REgion Comment
  POM319733  Baccharis salicifolia Patricia Wilder 1971-9-29 5279 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. Base of the San Jacintos. 518 Comment
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 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
  CAS-BOT-BC106674  Baccharis salicina A. C. Sanders; P. MacKay; C. L. Sanders; G. Helmkamp; J. Stewart 1994-12-4 15882 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, -22 Comment
  JOTR36394  Baccharis sergiloides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3346 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA696790  Baccharis sergiloides J. Russell Bruff 1927-11-16 34 Riverside Cottonwood Springs. Comment
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Jul 7 2012
  JOTR32197  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
  POM14092  Bahiopsis parishii Philip A. Munz, D. D. Keck 1922-4-13 4954 Riverside Eagle Mtns. Colorado Desert. 244 Comment
  JEPS20785  Baileya pauciradiata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13232 Riverside 2.4 mi s of Rice (on road to Midland and Blythe) Comment
  RSA155550  Baileya pauciradiata L. S. Rose 1962-3-2 62004 Riverside La Quinta 3 Comment
  RSA695624  Bebbia juncea Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  CAS-BOT-BC100129  Bebbia juncea var. aspera Grant 1906-4-20 s.n. Riverside Palm Sprs. Comment
  UC1746489  Bebbia juncea var. aspera Mitch Provance 1998-7-7 887 Riverside 1/4 to 1/2 mi from corner of Riverside Ave and Agua Mansa Rd.; Colton 262 Comment
  UCR113999  Bebbia juncea var. aspera Mitch Provance 1999-3-8 1060 Riverside Jurupa Mountains, SE Pyrite Canyon (= SE end of Wilder's Cyn.), c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  CLARK-A1656-657  Beloperone californica Lois Ann Scott 1978-4-21 Riverside San Jacinto Mountains 152 Comment
  CLARK-A1528-102  Beloperone guttata Brian L. Estes 1961-5-10 1474 Riverside Riverside Comment
  UCR17611  Berberis dictyota B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns, 5.5 mi. south of Hwy 74 on road to Toro Peak Comment
  RSA594515  Berberis nevinii D. L. Banks, Rashmi Pant 1996-5-13 1020 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy 79., Just S of the Cleveland National Forest Boundary. 396 Comment
  UCD142298  Bernardia incana Robert F. Thorne; Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway. Comment
  POM17936  Beta vulgaris P. A. Munz 1923-6-14 7120 Riverside 5 miles north of Corona. Comment
  UCR114010  Bidens frondosa Mitch Provance 2000-6-24 2052 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA736760  Bidens laevis Scott D. White, Lynn Stafford 2007-6-27 11752 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  HSC78731  Blennosperma nanum var. nanum A. C. Sanders, T. Glenn 1983-4-17 3728 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  SBBG72283  Boechera arcuata M. N. Ackley -May-1929 Riverside Tahquitz 2438 Comment
  CAS-BOT-BC25975  Boechera xylopoda Annie M. Alexander; Louise Kellogg 1941-5-19 2201 Riverside Colorado Desert. Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  RSA0106725  Boerhavia coulteri Duncan S. Bell 2011-9-30 2937 A Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  CLARK-A1528-965  Boerhavia erecta var. intermedia Charlotte Stocks 1966-8-24 Riverside 853 Comment
  SEINET3124370 Image available Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  UCR112762  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2000-4-21 23350 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  CLARK-A1528-3315  Boisduvalia glabella John C. Roos 1952-5-14 5662 Riverside Edgemont 487 Comment
  RSA0123173  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell, Andrew Chambers 2016-12-21 10220 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  UCR133683  Bolboschoenus maritimus subsp. paludosus 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
  RSA552689  Bothriochloa barbinodis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6697 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  RSA778528  Bouteloua aristidoides Amber Swanson 2011-10-9 649 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  UCR30058  Bouteloua aristidoides George K. Helmkamp 1983-4-5 483- 36 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JOTR30083  Bouteloua aristidoides var. aristidoides La Doux, Tasha, Bill Truesdell 2006-10-3 1722 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  CAS-BOT-BC145605  Bouteloua barbata var. barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles west of Blythe. Comment
  JOTR35094  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3545 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  CAS-BOT-BC95399  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 640 Comment
  SD181775  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. On roadside. 334 Comment
  JOTR32326  Brandegea bigelovii Herskovits, Tasya 2011-5-25 s.n. 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
  RSA394246  Brandegea bigelovii Anstruther Davidson 1903-5-3 s.n. Riverside Martinez Canyon mouth. Comment
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Jul 1 2016
  SBBG7427  Brandegea bigelovii H. and M. Dearing 1940-1-1 4060 Riverside Painted Cyn Comment
  SEINET3860054  Brandegea bigelovii T. B. Salvato 2010-4-20 4056 Riverside Sonoran (Colorado) Desert: alluvial slope between the McCoy Mountains and McCoy Wash, ca 14 mi. northwest of Blythe.; 0 183 Comment
  UC131900  Brandegea bigelovii C. R. Orcutt March, 1902 Riverside Colorado Desert Comment
  UC494864  Brandegea bigelovii C. L. Hitchcock 1932-4-7 12198 Riverside Corn Springs, eastern Riverside County Corn Springs Comment
  UC604848  Brandegea bigelovii Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi from Cottonwood Springs (n end of Pinto Basin); Pinto Basin Comment
  SD232232  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 609 Comment
  RSA777276  Brickellia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4749 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65122 604 Comment
  UCR25197  Brickellia desertorum John C. Roos 1950-12-2 5029 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  UCR279367  Brickellia desertorum A. C. Sanders, Jim Malusa 2017-3-24 42979 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  UCR89539  Brickellia desertorum Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  OBI38270  Brickellia incana David J. Keil 1985-8-30 18951 Riverside Along road through Joshua Tree Natl Monument, 5 mi N of I-1 Comment
  UC472726  Bromus arizonicus A. S. Hitchcock 1927-3-20 Riverside Colorado Desert, Palm Springs Palm Springs; Colorado Desert, Palm Springs 121 Comment
  RSA619572  Bromus carinatus var. carinatus D. L. Banks 1997-5-5 1955 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  SD137965  Bromus diandrus Darin L. Banks 1995-4-11 174 Riverside Cleveland N.F.; Agua Tibia Wilderness area; N slope of Agua Tibia Mtn.; E of Dripping Springs Alcove Area along Dripping Springs Trail 950 Comment
  UCR108871  Bromus diandrus Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR262239  Bromus diandrus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3711 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
  RSA655218  Bromus grandis Scott D. White 1999-6-6 7446 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UC37692 Image available Bromus grandis H. M. Hall Jun 1901 2228 Riverside s side San Jacinto Mts. 1615 Comment
  UC37683  Bromus hallii H. M. Hall July 1901 2538 Riverside San Jacinto Mountains, West Fork Snow Creek West Fork Snow Creek; San Jacinto Mountains, West Fork Snow Creek 1524 Comment
  UCR102876  Bromus hordeaceus A. C. Sanders 1997-3-26 20133 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA717337  Bromus rubens Scott D. White, Angelia Carey 2004-4-5 10013 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  SEINET10835307  Bromus rubens A. Evans 1976-4-13 Evans 5130 Riverside Desert canyons of santa rosa mtns. Comment
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  CAS-BOT-BC185645  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UCD59895  Bromus tectorum Alan A. Beetle 1946-6-10 4400 Riverside San Jacinto Mt., Camp Keene Meadow. Comment
  UCR116597  Bromus tectorum A. C. Sanders 2001-4-8 23989 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  JOTR30313  Bromus trinii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1746 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  RSA0121413  Bursera microphylla Duncan S. Bell, LeRoy Gross 2016-3-31 9185 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA405286  Caesalpinia virgata N. Dunn, A. Martin 1932-3-26 s.n Riverside Oasis Comment
  RSA498294  Caesalpinia virgata Robert M. Perkins, H. de Forest 1937-3-15 399 Riverside 20 miles East of Indio. Comment
  SEINET938598  Caesalpinia virgata T. S. Elias 1985-1 10151 Riverside Mecca Mountains just NE of Mecca; Painted Canyon Comment
  UC1080448  Caesalpinia virgata P. C. Everett and E. K. Balls 1958-4-29 22958 Riverside Indio to Blythe (U.S. Hwy. 60/70, 5 mi. e. from junction with U.S. Hwy. 99) 121 Comment
  UC499722  Caesalpinia virgata Roxana S. Ferris and R. Bacigalupi 1932-4-30 8243 Riverside in canyon between Shaver's Well and Mecca Comment
  UC864227  Caesalpinia virgata I. W. Clokey 1935-4-17 6717 Riverside Shaver Wells Comment
  UCR250568  Calandrinia ciliata A. C. Sanders 2014-4-25 41069 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  RSA593981  Callistemon citrinus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 956 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
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Jun 5 2006
  RSA741582  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SBBG22199  Calochortus palmeri var. munzii H. and M. Dearing 1940-6-8 4352 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  SBBG22940  Calochortus plummerae H. and M. Dearing 1940-6-9 4362 Riverside E of Hemet Comment
  SDSU11918  Calochortus splendens J. A. Kemp, K. J. Huntley with SDSU California Flora Class. Biology 358 1988-4-28 29 IV88B Riverside SDSU Santa Margarita Ecological Reserve. On left side of road leading to field office, ca. 75 meters before building. 305 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
  UCR281789  Calochortus splendens Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 100 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  CLARK-A1528-3201  Calochortus weedii var. intermedius John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR57113  Calochortus weedii var. weedii Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  UCR4320  Calycadenia tenella D. Gordon 1952-5-19 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus 335 Comment
  CAS-BOT-BC283322  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Mojave Desert. Smoke Tree Wash, ca 5 miles NE of Cottonwood Springs, Joshua Tree National Monument 853 Comment
  RSA472424  Calycoseris wrightii Robert Gustafson 1980-4-3 1528 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 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
  RSA518287  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Uncommon annual weed in moist soil beside the door to the greenhouse, Botanic Gardens, U. C. R. campus. Comment
  SEINET7063439  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UCR103903  Calyptridium monandrum B. G. Pitzer 1997-4-11 3109 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
  UCR20731  Calyptridium monandrum A. C. Sanders, Steve Boyd 1980-5-2 1413 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR238086  Calyptridium monandrum Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2054 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR86876  Calyptridium monandrum A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16242 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
  CLARK-A1528-7873  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  RSA394916  Calystegia macrostegia subsp. tenuifolia M. B. Dunkle 1934-3-18 3853 Riverside W. of Shaver's Well. 91 Comment
  RSA522751  Camissonia bistorta Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3858 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
  RSA524436  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4052 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR167453  Camissonia boothii 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
  RSA680555  Camissonia boothii subsp. condensata Scott D. White, Michael Honer 2003-4-30 9134 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  HSC16418  Camissonia brevipes R. A. Eagle 1964-3-28 24 Riverside 5 mi. out of Palm Springs on the main Hwy. Comment
  UCR198164  Camissonia brevipes Michael Honer, L. Hulse 2004-4-3 1898 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR30100  Camissonia brevipes George K. Helmkamp 1983-4-5 483- 38 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA305636  Camissonia brevipes subsp. brevipes Henry J. Ramsey, Henry J. Ramsey 1937-3-2 863 Riverside Blythe, Colorado River bluffs. Comment
  RSA160027  Camissonia cardiophylla David B. Dunn 1946-2-22 1964 Riverside All American Canal catch basin from desert washes. Orocopia Mts. north east of the Salton Sea. Comment
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May 24 2012
  UCR82896  Camissonia cardiophylla A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15813 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  POM13089  Camissonia chamaenerioides E. C. Jaeger 1920-3-1 s.n. Riverside Palm Springs Comment
  RSA781997  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR148482  Camissonia claviformis John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA135291  Camissonia claviformis subsp. aurantiaca William M. Klein 1958-2-14 143 Riverside 15.4 mi. n. of Midway Well on road to Blythe [Hwy 78]. Comment
  RSA278492  Camissonia claviformis subsp. aurantiaca John F. Emmel 1977-3-28 554 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  UCR102925  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2682 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR23207  Camissonia confusa J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  UCR44446  Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 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
  RSA652359  Camissonia hirtella Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  UCR152514  Camissonia hirtella A. C. Sanders 2005-4-22 29614 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR52588  Camissonia hirtella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  POM9307  Camissonia ignota P. A. Munz, Harwood 1920-3-30 3380 Riverside 5 mi. So. of Corona. 305 Comment
  SEINET273116  Camissonia pallida G. K. Helmkamp, AC Sanders 1997-3-15 1501 Riverside Skinner Lake; Grassland at base of Bachelor Mtn and adjoining chaparral. UTM 10km cell; 11SMH-9E 1N Skinner Reservoir 488 Comment
  UCR43289  Camissonia pallida B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  UCR69746  Camissonia pallida N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 173 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA449250  Camissonia pallida subsp. hallii Anstruther Davidson 1929-04 s.n. Riverside Morongo Canyon. Comment
  RSA465913  Camissonia pallida subsp. hallii N. C. Cooper 1944-4-23 1111 Riverside Banning. 701 Comment
  UCR226925  Camissonia pallida subsp. pallida Jim Andre 2011-2-2 16205 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
  RSA144820  Camissonia refracta E. G. Linsley, J. W. MacSwain 1960-3-2 60 -5 Riverside 2 miles west of Desert Center. Comment
  RSA692197  Camissonia refracta Scott D. White, Michael Honer 2003-5-14 9296 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  POM157904  Camissonia strigulosa P. A. Munz 1927-5-20 10817 Riverside 10 miles south of Hemet. Comment
  RSA700017  Camissonia strigulosa Scott D. White, Michael Honer 2003-4-4 8935 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR154971  Camissonia strigulosa A. C. Sanders, Kelly Volansky 2005-3-17 29218 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  OBI2685  Camissoniopsis bistorta Dieter H. Wilken 1965-4-14 167 Riverside E end of Domengoni Valley, SE of Winchester 427 Comment
  JEPS100904  Camissoniopsis confusa Dean W. Taylor 1998-5-13 16430 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  JEPS29320  Camissoniopsis ignota Rimo Bacigalupi and L. Heckard 1962-3-26 8416 Riverside along state hwy 74 about 3 mi n Elsinore (rolling flats at lower end of arroyo drainge); drainage of Arroyo del Toro 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
  UC1922539  Camissoniopsis pallida subsp. pallida Michael Honer with L. Hulse 2005-3-7 2028 Riverside Colorado Desert; Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. Comment
  UCSB11402  Carex D. Breedlove 1961-7-29 870 Riverside WHERE IT CROSSES RIVERSIDE HWY 1 FULLER MILL CREEK 1645 Comment
  CAS-BOT-BC18450  Carex abrupta H. E. Hasse 1903-6-23 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  SEINET6654137  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow.; 0 1433 Comment
  RSA364634  Carex fracta M. B. Dunkle 1933-7-19 3682 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA613753  Carex fracta Scott D. White 1996-8-1 4453 Riverside Idyllwild area: North of Isomata along USFS Road 5S24.1., Ca. 33 deg 44 N, 116 deg 45 W. 1555 Comment
  SD112259  Carex fracta Darley F. Howe 1941-6-8 1295 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  RSA0012651  Carex praegracilis LeRoy Gross, Caitlin Elam 2013-5-14 6078 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
  UCR169316  Carex praegracilis T. B. Salvato, John F. Green 2004-5-27 601 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
  UCR201502  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12281 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA682458  Carex subfusca Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8643 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SD136988  Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, west of junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main truck of San Mateo Creek. 671 Comment
  RSA0120150  Cassia eremophila O. F. Clarke, D. Kucera 1972-2-14 s.n. Riverside University of California Riverside. Botanic Garden. 351 Comment
  POM158431  Castilleja affinis Philip A. Munz 1927-5-21 10886 Riverside 15 miles south of Hemet. Comment
  SDSU14070  Castilleja affinis subsp. affinis Bismarck Magtoto 2002-4-20 9 Riverside Found along entrance of Loop Trail of Santa Margarita Ecological Reserve. 335 Comment
  UCR81101  Castilleja applegatei subsp. martini Scott D. White 1993-5-29 1462 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge Comment
  OBI53713  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside Thomas Mtn Rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1676 Comment
  RSA507965  Castilleja applegatei subsp. martinii Steve D. Boyd, C. Boyd, R. Noyes, L. Arnseth 1988-5-28 2283 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC885361  Castilleja applegatei subsp. martinii Carl B. Wolf 1932-8-5 Riverside from Tahquitz Valley to San Jacinto Peak (along trail); San Jacinto Mts. 2621 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
  UCR96872  Castilleja exserta Scott D. White 1993-3-12 1175 Riverside Near Winchester 466 Comment
  POM259615  Castilleja foliolosa P. A. Munz 1940-3-17 15598 Riverside Dripping Springs, southern Riverside Co. Comment
  RSA221000  Castilleja foliolosa E. W. Lathrop 1966-3-30 6128 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  SBBG45114  Castilleja foliolosa Leota Davidson 1965-5-3 123 Riverside near Jumbo Rocks Cmpgrd, Joshua Tree Nat Monument Comment
  POM250367  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs. Comment
  UCR104176  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  UCR71902  Castilleja minor subsp. spiralis Steve Morgan, H. M. Soldan 1992-5-25 92- 2 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  SD152903  Caulanthus heterophyllus Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6700 Riverside Santa AnaMountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR251313  Caulanthus heterophyllus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7422 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR77706  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6122 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  JEPS48718  Ceanothus W. L. Jepson 1939-4-17 19164 Riverside 2 mi s Temecula (on Fallbrook rd) 304 Comment
  RSA569994  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7902 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UCR265822  Ceanothus crassifolius Mitch Provance 2012-5-24 512- 03 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SBBG105059  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  UCR60863  Ceanothus cuneatus Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3250 Riverside Peninsular Range, Cahuilla Valley south of Anza, along Hwy 371 at the entrance to Lake Riverside development Comment
  RSA0031880  Ceanothus divaricatus var. eglandulosus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  POM48336  Ceanothus greggii var. perplexans E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  SD42449  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts. Santiago Peak, N. side I(c) mi. from summit 1676 Comment
  CAS-BOT-BC51280  Ceanothus leucodermis R. S. Woglum 1941-6-12 3058 A Riverside Idyllwild Comment
  UCR268306  Ceanothus leucodermis Jim Andre 2012-6-15 30511 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  POM254875  Ceanothus oliganthus W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  RSA262095  Ceanothus oliganthus E. W. Lathrop 1971-3-24 7467 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  CAS-BOT-BC51649  Ceanothus ophiochilus Steve Boyd; Tim Ross; Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi W of lake 700 Comment
  RSA606740  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27407 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  CAS-BOT-BC51916  Ceanothus perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles North-West of Lake Fulmore, San Jacinto Mountains Comment
  UCSB22500  Ceanothus perplexans Rocke, H. 1963-5-4 Riverside 3 miles south of Idyllwild 1219 Comment
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Nov 29 2014
  UCSB7121  Ceanothus perplexans Haller, John 1950-5-21 Riverside San Jacinto Mtns., Pinyon Flat 1219 Comment
  UCR216406  Ceanothus tomentosus Mike Bell 2008-3-30 032 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 526 Comment
  CAS-BOT-BC277184  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  RSA503403  Centaurea melitensis J. D. Olmsted 1962-5-10 3613 Riverside L. Matthews Rd ca. 0.5 mi. W of dam. 427 Comment
  UCR217656  Centromadia pungens subsp. laevis Diane Menuz 2007-8-10 362 Riverside San Jacinto Mountains, Western foothills, 6.7 km south of Hwy I-10 659 Comment
  UCR93067  Ceratonia siliqua A. C. Sanders 1995-12-19 17937 Riverside University of California, Riverside. Botanic Garden 400 Comment
  POM8988  Cercidium floridum Mary F. Spencer 1920-4-9 755 Riverside Colorado desert near Palm Springs Comment
  RSA784724  Cercidium floridum Duncan S. Bell 2012-3-18 3212 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR16484  Cercocarpus ledifolius Vicki Barnum 1968-5-17 s.n. Riverside San Jacinto Mountains, Mt. San Jacinto, Long Valley, within 0.5 mi of tram walkway 2622 Comment
  UCR213461  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38367 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR78445  Chaenactis artemisiifolia Scott D. White 1993-4-22 1247 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SBBG99383  Chaenactis carphoclinia W. L. Halvorson 1977-2-5 77 -6 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET4143283 Image available Chaenactis carphoclinia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4615 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock 402 Comment
  RSA0118597  Chaenactis carphoclinia var. carphoclinia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7643 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  CAS-BOT-BC276915  Chaenactis fremontii L. R. Abrams 1926-3-25 11045 Riverside Between Banning and Cabazon Comment
  JEPS30465  Chaenactis fremontii Donald M. Kyhos 1958-4-2 58 -81 Riverside Highway 99 at Cabazon Comment
  UC1523568  Chaenactis fremontii Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54054 Riverside along Whitewater River, e of bridge and levee and below w-facing bluff San Bernardino Mts., Whitewater River Comment
  UCR102918  Chaenactis fremontii George K. Helmkamp 1998-2-5 2636 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR132502  Chaenactis fremontii Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  SD140206  Chaenactis glabriuscula Scott White 1993-4-22 1248 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR87901  Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA263714  Chaenactis glabriuscula var. glabriuscula George E. Johnston, E. W. Lathrop 1975-6-13 s.n. Riverside 5 miles W Murrieta, Los Gatos Road, S slope of Mesa de colorado Comment
  RSA395354  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. 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
  POM159847  Chaenactis glabriuscula var. lanosa E. C. Jaeger 1926-3-26 s.n. Riverside Cabazon Comment
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Mar 13 2011
  SBBG65574  Chaenactis glabriuscula var. lanosa M. N. Ackley 1928-3-11 273 Riverside near Cabazon, San Gorgonio Pass 609 Comment
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Mar 13 2011
  SEINET7450237 Image available Chaenactis glabriuscula var. lanosa H. M. Hall 1904-5-16 4947 Riverside Fairmount Park, vicinity of Riverside. 244 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
  POM118283  Chaenactis stevioides var. stevioides A. M. Alexander, Louise Kellogg 1941-5-11 2149 Riverside 1.5 mi N of Cottonwood Spring, Eagle Mts. 976 Comment
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Oct 9 2010
  POM41476  Chaenactis stevioides var. stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR4048  Chaetopappa aurea Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., 'Tahquitz Meadows' [meadows along Hwy 74 near Keen Camp, east of Mtn. Center], off Pines to Palms Hwy 1524 Comment
  UCR78337  Chaetopappa aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  SEINET3102124  Chamaesyce abramsiana Marc A. Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7km northwest of the summit of McCoy Peak, 21km northwest of Blythe, lower bajada on the east flank of the McCoy Mountains. 170 Comment
  JOTR28810  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2004-3-11 1078 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  RSA0020040  Chamaesyce micromera Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6012 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA432477A  Chamaesyce pediculifera M. B. Dunkle 1933-3-4 3040 Riverside Painted Canyon. Colorado Desert 30 Comment
  RSA0040027  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-4-2 6501 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA763996  Chamaesyce polycarpa Justin M. Wood, Dustin M. Ray 2010-10-21 3005 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SBBG33968  Chamaesyce polycarpa L. S. Rose 1966-12-11 Riverside La Quinta 91 Comment
  UC68677  Chamaesyce polycarpa H. M. Hall Apr., 1905 5900 Riverside Cuckawalla Wash Colorado Desert Comment
  UC750619  Chamaesyce polycarpa Lewis S. Rose 1946-12-25 46305 Riverside 5 mi e Cabazon; San Gorgonio Pass 441 Comment
  SEINET6938522  Chamaesyce polycarpa W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route U.S 395 and ca. 5 miles southeast of Lake Mathews. Comment
  RSA770638  Chamaesyce polycarpa var. hirtella R. F. Thorne, M. Z. Thorne 1973-3-30 42694 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA627499  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1965-6-27 8693 Riverside Tin Mine Canyon. Comment
  RSA734745  Chamaesyce serpillifolia L. C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains. 1/2 mi. east of Ranger Peak. 1371 Comment
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Feb 17 2013
  RSA0123694  Cheilanthes covillei Duncan S. Bell, LeRoy Gross 2016-3-30 9161 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA748343  Cheilanthes covillei Justin M. Wood, Brandy Wood 2009-6-13 890 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA523539  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3999 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET3870178  Cheilanthes parryi Lewis S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  SD186162  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley; Trilogy at Glen Ivy at the confluence of Boxby and Anderson Canyons. 366 Comment
  UCR113605  Chenopodium album A. C. Sanders 2000-9-16 23646 Riverside Riverside, yard at 422 W Campus View Dr. 335 Comment
  UCR139622  Chenopodium berlandieri A. C. Sanders 2004-7-1 28377 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  UCR231323X  Chenopodium desiccatum Mitch Provance 2000-7-30 2171 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  SEINET14416905  Chenopodium missouriense Mitch Provance 2012-1 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, .25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR115126  Chenopodium missouriense Mitch Provance 2000-10-28 2283 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA27511  Chenopodium murale I. L. Wiggins 1941-3-24 9584 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line. Comment
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Feb 20 2013
  CLARK-A1528-2282  Chilopsis linearis John C. Roos 1943-5-23 2669 Riverside Dry Morongo Wash Comment
  CSUSB733  Chilopsis linearis Lalo Codova 1972-7-25 S. N. Riverside Palm Springs 76 Comment
  RSA455308  Chilopsis linearis George R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
  POM47788  Chilopsis linearis subsp. arcuata Mary F. Spencer 1918-4-8 800 -a Riverside Palm Springs. Comment
  UC501502  Chimaphila umbellata Frank W. Peirson 1924-7-27 5004 Riverside 1 mi. w. Deer Spring; San Jacinto Mts. 2438 Comment
  UC188912  Chloris virgata F. M. Reed 1904-8-14 94 Riverside Arlington Heights Comment
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Apr 2 2011
  UC577429  Chloris virgata J. and H. W. Grinnell 1937-11-30 1081 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  UCR20458  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside, Citrus Experiment Station 305 Comment
  POM78160  Chloris virgata F. M. Reed 1925-8-10 5136 -B Riverside Granite Hill Ranch, near Glen Avon. 183 Comment
  UCR10807  Chlorogalum pomeridianum Ruth Cooper 1968-5-18 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  POM122109  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SBBG25069  Chorizanthe brevicornu var. brevicornu D. Myrick 1966-4-1 1323 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UC159451  Chorizanthe brevicornu var. brevicornu E. E. Schellenger 1911-4-24 Riverside s Palm Springs (Colorado Desert); , s of Palm Springs Comment
  UCR228708  Chorizanthe brevicornu var. brevicornu Charles Hughes 2009-3-23 062 Riverside south of Hwy 62 near the abandoned Desert Center Airport, near city of Rice 220 Comment
  UCR244417  Chorizanthe brevicornu var. brevicornu Jim Andre 2012-4-16 20912 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  JEPS57635  Chorizanthe corrugata E. E. Schellenger May 1920 Riverside near Mecca (Hayfields, Colorado Desert); Colorado Desert, Hayfields Comment
  UCD99663  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  UCR138573  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1447 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA787333  Chorizanthe fimbriata Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  UCR217641  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 134 Riverside San Jacinto Mountains, East of Valle Vista, north of Cranston Ranger Station, along San Jacinto River 572 Comment
  UCR59523  Chorizanthe leptotheca Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3605 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCR154215  Chorizanthe parryi var. parryi Chris E. True, Robert Cox 2005-5-23 s.n. Riverside Perris-Aguanga Basin, Sage Road, c. 5 mi N of Hwy 79, SE of Roundtop 671 Comment
  UCR216954  Chorizanthe parryi var. parryi John Dvorak, Karyn L. Drennen 2010-5-10 03 Riverside Perris-Aguanga Basin, French Valley, Warm Springs. ~35m north of creek and ~300m northwest of Maxmillian Ave. 385 Comment
  UCR261450  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41449 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
  UCR121166  Chorizanthe polygonoides var. longispina D. E. Bramlet 1989-4-7 1815 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, south of Lake Skinner, 500 ft. west of Old Warren Rd. and 100 ft. north of the E-W access road 518 Comment
  CAS-BOT-BC246234  Chorizanthe rigida John H. Thomas 1957-3-30 6530 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. Colorado Desert. 518 Comment
  RSA555333  Chorizanthe rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12088 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA747801  Chorizanthe rigida Justin M. Wood 2009-3-26 397 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
  UCR112584  Chrysanthemum coronarium A. C. Sanders 1998-4-16 21753 Riverside Riverside, field on the W side of Iowa Ave., just north of the Santa Fe RR tracks 287 Comment
  RSA170152  Chrysothamnus nauseosus subsp. consimilis L. B. Ziegler 1964-10-15 s.n. Riverside On Valley alluvial, Garner (Hemet) Valley, S part of San Jacinto Mts 1433 Comment
  POM45651  Chrysothamnus paniculatus J. B. Feudge 1923-11-12 467 Riverside White Water, Colorado Desert 366 Comment
  RSA346265  Chrysothamnus paniculatus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54040 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  UCR89577  Chrysothamnus paniculatus Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Park, E side of Hexie Mtns, Porcupine Wash, below the point where the wash joins Ruby Lee Canyon. 735 Comment
  UCR96038  Chrysothamnus paniculatus A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19647 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  SD185268  Chylismia claviformis Nathan Moorhatch 2005-2-17 Riverside Western Sonoran Desert: Coachella Valley, east edge of Santa Rosa Mountains, La Quinta west of Washington St. between Ave. 48 and Lake La Quinta Dr. -36 Comment
  CAS-BOT-BC160595  Chylismia claviformis subsp. aurantiaca Jeanne Janish; Carl Janish 1953-7-1 1029 Riverside Idyllwild Comment
  CAS-BOT-BC160622  Chylismia claviformis subsp. aurantiaca Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC160630  Chylismia claviformis subsp. aurantiaca Edith A. Purer 1935-4-21 6485 Riverside Near Palm Springs Comment
  CAS-BOT-BC160636  Chylismia claviformis subsp. aurantiaca R. J. Dobbs 1927-3-30 2975 Riverside Palm Springs Comment
  SD215581  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan and M. Wall 1992-3-24 4618 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UC1184359  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-15 11847 Riverside 4.5 mi e turn to Painted Canyon; Box Canyon Comment
  UC217899  Chylismia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-14 4994 Riverside Indian Wells Colorado Desert 91 Comment
  UC311293  Chylismia claviformis subsp. aurantiaca Philip A. Munz 1925-12-30 10822 Riverside Thousand Palms Comment
  SEINET10799495  Cichorium intybus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3636 Riverside Found 100 yards above Quad 6 in the wash. In fruit. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  CAS-BOT-BC286461  Cirsium scariosum Cecil Hart 1922-5-21 26 Riverside San Jacinto Mt. Comment
  RSA741377  Cirsium scariosum Scott D. White, Justin M. Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA740254  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  UCR178415  Cirsium vulgare John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA709866  Cistanthe ambigua Scott D. White, Jennifer H. Jones 2005-4-21 10943 Riverside Eastern Coachella Valley. Bajada beneth Mecca Hills, just east of Coachella Canal. Proposed for expanded gravel mining. 24 Comment
  CAS-BOT-BC438858  Cistanthe monandra Peter H. Raven 1958-5-18 12979 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA4964  Cistanthe monandra C. B. Wolf 1932-4-27 3033 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  RSA771676  Cistanthe monandra Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4990 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  CAS-BOT-BC438966  Cistanthe monosperma Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM782  Cistanthe monosperma H. M. Hall 1901-07 2352 Riverside In open forests of Tahquitz Valley. 2439 Comment
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Jul 5 2010
  CAS-BOT-BC228717  Cistanthe umbellata H. M. Hall 1901-7-1 2352 Riverside San Jacinto Mountains. In open forests of Tauquitz [Tahquitz] Valley 2438 Comment
  POM3017  Clarkia dudleyana H. M. Hall 1901-06 2265 Riverside In San Jacinto Mountains, canyons of the west side. 1524 Comment
  RSA162768  Clarkia dudleyana J. D. Olmsted 1959-4-30 510 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona; Mt. Range: Santa Ana Mts; Drainage area: to Santa Ana River. Comment
  UCSC007501  Clarkia epilobioides Michael Wall 2007-5-25 21078 Riverside Rawson Canyon, NE of Skinner Reservoir, on moderate north facing slopes off Rawson Rd. 2.5 mi. East of Washington Ave. 615 Comment
  RSA448298  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-5-25 5643 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  SEINET7072835  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  SEINET6944613  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. 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
  RSA525449  Claytonia parviflora subsp. tenuifolia Steve Boyd, David E. Bramlet 1990-4-29 4494 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  JOTR30648  Claytonia parviflora subsp. utahensis La Doux, Tasha, Erin Babich 2008-4-21 1808 Riverside Joshua Tree National Park. Stop 7- Little San Bernardino Mountains, Upper East Deception Canyon 1327 Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  RSA117664  Claytonia perfoliata subsp. perfoliata S. S. Tillett 1956-4-8 428 Riverside At intersection of US 91 and Cal 71, SW of overpass. Comment
  RSA556520  Claytonia perfoliata subsp. perfoliata Julie Greene 1993-4-10 1128 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA612939  Clematis lasiantha D. L. Banks 1997-3-29 1638 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
  RSA748817  Clematis lasiantha G. Gust, L. Nye 2005-3-12 559 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  JEPS48925  Clematis pauciflora W. L. Jepson 1939-4-19 19209 Riverside 3 mi. s. Aguanga 731 Comment
  UCR106354  Cnicus benedictus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 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
  RSA721126  Cnicus benedictus Pomeroy 1929-5-11 s.n. Riverside Lake Elsinore Comment
  RSA0117449  Collinsia concolor Scott D. White, Justin M. Wood 2008-6-18 12215 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UC219054  Collinsia concolor Munz and Johnston 1922-5-19 5433 Riverside Hemet Valley; San Jacinto Mtns; Hemet Valley 1402 Comment
  RSA0117408  Collinsia concolor J. C. Roos 1952-4-13 5530 Riverside Box Springs Mts. 488 Comment
  UC26636  Collinsia parviflora H. M. Hall May 1901 1810 Riverside in vicinity of Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 1600 Comment
  JEPS122477  Collomia grandiflora J. M. Andre 2012-6-15 30528 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  RSA76977  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside North of Mecca-Blythe road in canyons at SE end of Eagle Mountains Comment
  UCR37032  Commelina benghalensis A. C. Sanders 1984-7-18 5108 Riverside Residence of O.F. Clarke, 1012 Spruce Street 305 Comment
  RSA331892  Commelina erecta Steve Morgan 1984-7-17 s.n. Riverside University of California, Riverside Botanic Garden. Comment
  UCR2967  Convolvulus arvensis Patricia Gavin 1963-5-4 5-4-63- 3 Riverside Riverside, on Canyon Crest Road, 25 ft. from Monte Vista Road Comment
  RSA575927  Conyza coulteri Steve Boyd 1994-9-29 8367 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA761163  Corallorhiza maculata Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 696 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR227723  Cordylanthus rigidus Duncan S. Bell, Joy England 2010-6-7 1274 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 1057 Comment
  POM158242  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1928-9-6 11239 Riverside 1 mile W of Cabazon, Riverside Comment
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Mar 13 2011
  SD152944  Corethrogyne filaginifolia Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7665 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  UCR35134  Cornus glabrata L. B. Ziegler 1968-6-10 317 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1433 Comment
  RSA736242  Cotula coronopifolia Scott D. White, Jonathan Campbell 2008-4-18 11896 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  POM212789  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  HSC85412  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 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
  UCR114190  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23637 Riverside Perris-Aguanga Basin Region, French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., c. 0.5 km NE of Adobe Spring 409 Comment
  UCR266332  Cressa truxillensis D. E. Bramlet 1992-5-15 2283 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  UCR93050  Cressa truxillensis Steve Boyd, D. L. Banks 1994-9-29 8373 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA337441  Crossosoma bigelovii R. F. Thorne, C. W. Tilforth 1973-5-30 43584 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  RSA721999  Crossosoma bigelovii Christopher Davidson, B. Gustafson 1977-4-7 5587 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  RSA79180  Crossosoma bigelovii P. A. Munz, P. C. Everett 1952-5-2 16235 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SBBG2861  Crossosoma bigelovii K. K. Muller 1953-3-22 573 Riverside W side of Whitewater Cyn, 1 mi N of Hwy 60 Comment
  UC536862  Crossosoma bigelovii M. C. Jones 1934-2-18 Riverside Whitewater Canyon Colorado Desert Comment
  UCD102971  Crossosoma bigelovii Geoffrey Levin 1976-3-27 696 Riverside Chino Canyon. West of Palm Springs. On the hills on south side of canyon. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 457 Comment
  SD2813  Croton californicus Ruth B. Randall 1926-2-22 66 Riverside Whitewater Pass. Comment
  UCR115999  Croton californicus A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23320 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR166165  Croton californicus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  POM8167  Croton californicus var. mohavensis Mary F. Spencer 1920-3-19 1621 Riverside Palm Springs. 122 Comment
  UCR110397  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 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
  CAS-BOT-BC189259  Cryptantha John H. Thomas 1957-3-29 6516 Riverside Between Banning and Cabazon, about 2 miles E of Banning near railroad tracks 609 Comment
  UCR162543  Cryptantha John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  UCR193481  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35575 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  CSUSB989  Cryptantha angustifolia M. Quinlan 1974-4-18 S. N. Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  RSA79588  Cryptantha angustifolia F. W. Peirson 1926-2-22 6508 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  UC1329937  Cryptantha barbigera James E. Cole 1941-6-16 917 Riverside Live Oak Park Joshua Tree National Monument 1219 Comment
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Dec 6 2014
  UCR132755  Cryptantha barbigera George K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  GMDRC4969  Cryptantha barbigera var. fergusoniae J. Andre 2011-2-2 16213 Riverside Coachella Valley: west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point, approx. 5.5. mi. from Jct with I-10 259 Comment
  RSA0029394  Cryptantha costata Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4682 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UCR127960  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16139 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  HSC86914  Cryptantha intermedia S. J. Myers 1988-2-1 Riverside Boulder Springs development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 Comment
  POM368276  Cryptantha intermedia B. C. Templeton, I. W. Clokey 1930-4-9 1023 Riverside Near Banning 500 Comment
  RSA523959  Cryptantha intermedia G. H. True 1935-2-20 3 Riverside Box Springs, Sycamore Canyon. 366 Comment
  SBBG53744  Cryptantha intermedia S. Boyd 1980-4-8 Riverside Harford Springs County Park, located on the NW corner of the Gavilan Plateau Comment
  UCR115431  Cryptantha intermedia Scott D. White, D. E. Bramlet 1999-4-22 7243 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  SDSU20600  Cryptantha intermedia var. intermedia Ronald B. Kelley 2006-3-26 1002 Riverside Temescal Valley west of I-15 on west side of frontage road in disturbed field between Indian Canyon Truck Road and Horsethief Canyon Road exits. 367 Comment
  RSA27454  Cryptantha maritima I. L. Wiggins 1941-3-24 9579 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UC1063826  Cryptantha maritima H. S. Yates 1937-3-24 6460 Riverside Deep Canyon Thermal Quad. 609 Comment
  UCR165813  Cryptantha maritima 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
  RSA0080319  Cryptantha micrantha Sarah J. De Groot, Cheryl Sevilla 2015-2-24 s.n. Riverside Sand dunes along Blythe-Rice (Midland) Road, Rice Valley, south of Turtle Mountains, east of Arica Mountains, 1.9 miles south of Highway 62 and Rice. 234 Comment
  RSA499653  Cryptantha micrantha var. lepida Ora M. Clark 1929-4-7 s.n. Riverside South of Aguanga Comment
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Nov 9 2011
  UCR47194  Cryptantha micrantha var. lepida D. C. Hawks 1987-3-2 s.n. Riverside Terwilliger Valley, 5 miles SE of Anza 1280 Comment
  RSA779621  Cryptantha micrantha var. micrantha Duncan S. Bell 2010-4-1 657 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA0020312  Cryptantha micrantha var. micrantha D. W. Stevens 1982-4-24 s.n. Riverside ~1 mi So of I-10. Comment
  OBI42568  Cryptantha microstachys A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mts, Bee cyn along the rd, 1.1 mi above the mouth of the cyn at the San Jacinto River Valley 701 Comment
  RSA594773B  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 C Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  UCR133048  Cryptantha muricata Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243 at Mountain Center 1378 Comment
  UCR275935  Cryptantha muricata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3779 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  POM14165  Cryptantha nevadensis P. A. Munz, D. D. Keck 1922-4-9 4800 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  UCD119982  Cryptantha nevadensis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns. Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain. 1372 Comment
  UCR75086  Cryptantha nevadensis A. C. Sanders, E. J. Lawlor 1992-4-4 12144 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0125280  Cryptantha nevadensis var. rigida Duncan S. Bell 2016-3-3 8785 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
  HSC101269  Cryptantha pterocarya var. pterocarya Jim Andre 2012-3-19 21351 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA264579  Cucurbita palmata C. W. Tilforth, John Dourley, W. Wisura 1977-5-19 s.n. Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  RSA789365  Cuscuta californica var. californica Aaron C. Sedgwick, David Fraker 2012-3-28 40 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  CAS-BOT-BC224606  Cuscuta californica var. papillosa Geo. B. Grant 1906-4-20 6705 Riverside Palm Springs 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
  RSA0083636  Cylindropuntia ganderi Lyman Benson 1955-12-6 15627 Riverside San Jacinto Mountain Range. Pines-to-Palms Highway. 1220 Comment
  RSA630336  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  POM158187  Cyperus esculentus Phillip A. Munz 1928-9-6 11272 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR82215  Cyperus esculentus J. M. Stewart 1994-5-2 844 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  RSA653218  Cyperus involucratus John Wallace 1991-5-18 31 Riverside Colorado River. Sec. 16, T2S, R24E. Approximately two miles south of Lost Lake Resort. Comment
  UCR234765  Cyperus involucratus A. C. Sanders, John F. Green 2012-6-25 40305 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  UCR92351  Cyperus odoratus Scott D. White, S. Ogg 1994-10-17 2460 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  SEINET3228136  Cyperus parishii G. Rink, K. Routson 2012-9-3 11659 Riverside Agricultural fields about 10 miles southwest of Blythe 70 Comment
  RSA0127851  Cyperus parishii G. Rink 2012-9-3 11659 Riverside Agricultural fields about 10 miles southwest of Blythe. 70 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
  UC60275  Cyperus squarrosus H. M. Hall 1901-1 2663 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  SEINET10936825  Dalea emoryi Billy Joe Cox 1976-1-7 Cox 4226 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 70 Comment
  UC218191  Dalea mollis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4870 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UC865993  Dalea mollis P. A. Munz and D. Keck 1922-4-8 4738 Riverside Mecca Colorado Desert, Mecca -30 Comment
  UCR92501  Dalea mollissima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  JEPS12291  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shaver Wells Comment
  CLARK-A1528-139  Daucus pusillus 1969-5-14 Riverside Box Springs Mountains 396 Comment
  SD148266  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, hills on both sides of gas pipeline route. 335 Comment
  UCR154455  Daucus pusillus A. C. Sanders, Mike Misenhelter 2005-6-15 30966 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
  CAS-BOT-BC293825  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside. Highgrove 365 Comment
  JEPS12592  Deinandra fasciculata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1576 Riverside Temescal Wash Comment
  UCR151203  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside Peninsular Ranges; Perris-Aguanga Basin region, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
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Jan 8 2013
  UCR247554  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10- 50 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  RSA0020481  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  RSA0020483  Delphinium parishii subsp. parishii N. R. Zabriskie 1973-4-5 619 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  UCSB1974  Delphinium parishii subsp. subglobosum Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles N of U. S. 99; Western edge of Colorado Desert Comment
  UCR116889  Delphinium parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24201 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR162975  Delphinium parryi N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 187 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  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
  UC162675  Delphinium parryi subsp. maritimum H. M. Hall 1897-4-3 424 Riverside Winchester Comment
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Mar 20 2011
  OBI42535  Delphinium parryi subsp. parryi Robert F. Thorne, Walter Wisura, Earl Lathroop, and Sara Meury 1985-5-18 60668 Riverside Santa Rosa Plateau; edge of Cleveland Natl Forest 610 Comment
  SDSU5504  Delphinium patens W. T. Williams 1962-5-12 Riverside San Jacinto Mtns. 4000 ft marker 20 ft s of wayside rest along Hwy between Hemet and Idyllwild. 1219 Comment
  SFV1359  Dendromecon rigida P. G. Kilburn 1958-5-17 815 Riverside San Jacinto Mountains Mount San Jacinto, 7 miles south of Banning on road to Idyllwild. 915 Comment
  UC1055947  Deschampsia elongata Peter Kamb 1950-7-9 1907 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  CAS-BOT-BC43354  Descurainia pinnata subsp. glabra Ivan Johnston 1070 Riverside Palms Canyon. 274 Comment
  CAS-BOT-BC402293  Dicentra chrysantha Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Station, near Temecula 365 Comment
  SEINET12090136  Dicentra chrysantha C. W. Tilforth, Wisura, W. 1979-1 1923 Riverside 10.4 mi from north jct with Highway 74, S of Lake Hemet Comment
  SBBG51155  Dichelostemma capitatum subsp. pauciflorum W. Zabriskie 1973-3-21 Riverside Beeseep Cyn, Deep Cyn drainage 304 Comment
  JEPS30682  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside along Snow Creek Road (near State Hwy 111); Whitewater Wash 350 Comment
  POM48478  Dicoria canescens F. W. Peirson 1924-12-30 5425 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SEINET7883468 Image available Dicoria canescens Lewis S. Rose 1936-1 36820 Riverside Palm Springs 139 Comment
  RSA658881  Diplacus puniceus Douglas A. Springer 1981-2-16 13 Riverside 1.5 miles SW of California State Hwy. 74 and Junction of Grand Ave. at Lake Elsinore. Comment
  UC50795  Distichlis spicata H. M. Hall May 1902 3284 Riverside Santa Ana River 182 Comment
  UCD64452  Distichlis spicata H. S. Yates 1936-4-7 5437 Riverside Willis Palms. 243 Comment
  UCR21633  Ditaxis claryana Steve Boyd 1980-8-26 s.n. Riverside Santa Rosa Mtns, Magnesia Springs Canyon, at cove by first waterfall 244 Comment
  JOTR36013  Ditaxis lanceolata Harding, Mitzi, T. Herskovits 2012-3-16 220 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA690981  Ditaxis lanceolata Scott D. White, Michael Honer 2003-5-14 9306 -B Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG81673  Ditaxis lanceolata S. A. Junak 1983-3-23 1645 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  SEINET3004975  Ditaxis lanceolata G. Rink 2011-3-30 10401 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UC56528  Ditaxis lanceolata H. M. Hall May, 1901 1867 Riverside borders of Colorado Desert, e. base San Jacinto Mts. Colorado Desert, San Jacinto Mts. Comment
  RSA778006  Ditaxis neomexicana J. Andre 2011-2-9 15930 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UC570801  Ditaxis neomexicana H. L. Mason 1928-3-10 4223 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  POM12370  Ditaxis serrata var. californica P. A. Munz, D. D. Keck 1922-4-8 4833 Riverside [Unspecified] 213 Comment
  RSA799922  Ditaxis serrata var. serrata Justin M. Wood, D. M. Ray 2011-4-28 3833 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  HSC101274  Dithyrea californica Jim Andre 2012-3-19 21349 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA530738  Dithyrea californica Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  SEINET1004371  Dithyrea californica Natham Moorhatch 2005-1 Riverside Western Sonoran (Colorado) Desert: Coachella Valley, E. edge of Santa Rosa Mtns., La Quinta, W of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 18 Comment
  SEINET3195132 Image available Dithyrea californica Andrew C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert; pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe (Roosevelt Mine 7.5' Q.) 134 Comment
  CHSC34416  Downingia bella Donna Panico 1972-4-30 A- 51 Riverside Ca. 10 air mi. So. of Elsinore, 4 mi. E. of Tenaja Campgrounds in Cleveland Nat'l Forest. 655 Comment
  POM212602  Downingia cuspidata P. A. Munz 1941-5-18 16647 Riverside About 15 miles northeast of Temecula. Comment
  UCR222296  Downingia cuspidata R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55199 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UC10473  Draba corrugata var. saxosa H. M. Hall 1897-7-21 703 Riverside San Jacinto Mts. 3293 Comment
  SEINET12005542  Draba cuneifolia var. integrifolia H. M. Hall 1903-1 3804 Riverside vicinity of Riverside 610 Comment
  RSA85799  Drymocallis glandulosa E. C. Jaeger 1924-6-29 5446 Riverside Tahquitz Valley. 2134 Comment
  RSA645935  Dudleya lanceolata Scott D. White 1999-6-8 7451 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  CAS-BOT-BC173206  Dudleya multicaulis Mitch Provance 2003-4-26 9880 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 427 Comment
  HSC85282  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Alberhill Mtn., lower slopes of S flank, just E of claymine area Comment
  GMDRC3987  Dudleya saxosa subsp. aloides J. Andre, T. La Doux 2006-4-26 11771 Riverside Little San Bernardino Mountains: upper Long Canyon (western drainage), growing on rocky slope in decomposed granite 1165 Comment
  UC1755318  Dudleya saxosa subsp. aloides Dean W. Taylor 2003-5-6 18519 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines, San Gorgonio Pass 640 Comment
  CAS-BOT-BC197012  Echinochloa colona Malcom A. Nobs; S. Galen Smith 1948-9-3 488 Riverside Imperial Valley. 2 miles north of Indio Comment
  RSA192242  Echinochloa crus-galli H. A. Zuill 1966-7-17 291 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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Jan 23 2009
  UCR7730  Echinochloa crus-galli Frank C. Vasek 1967-10-8 s.n. Riverside Riverside, residence of Dr. F.C. Vasek, Sandalwood Ct. 335 Comment
  JEPS20696  Eclipta prostrata S. B. Parish 1912-10-2 8362 Riverside Mecca -57 Comment
  RSA357163  Elatine chilensis R. F. Thorne, E. W. Lathrop 1975-5-25 45562 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  CAS-BOT-BC113603  Eleocharis acicularis var. occidentalis E. Lathrop; O. Clark; S. J. Carlquist 1968-4-18 37455 Riverside Santa Rosa Plateau: shallow water at W end of vernal marsh on Mesa de Colorado, 670 Comment
  CAS-BOT-BC112743  Eleocharis geniculata A. C. Sanders; Oscar Clarke; C. N. P. S. 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  UCR91719  Eleocharis montevidensis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18114 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA365356  Eleocharis parishii Anstruther Davidson 1904-5-1 1101 Riverside Palm Springs. Comment
  UC839226  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  RSA69833  Elymus X gouldii J. C. Roos, L. Roos 1951-10-24 5344 Riverside Fairmount Park. 259 Comment
  UCR146496  Elymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  POM13071  Elymus elymoides E. C. Jaeger 1921-6-25 s.n. Riverside Caramba, Palms to Pines Trail, San Jacinto Mountains., [Caramba Camp: 34 deg 47'N, 116 deg 37'25W] Comment
  JOTR33781  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2932 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  RSA131656  Elymus glaucus E. K. Balls 1958-6-27 23290 Riverside Between Santiago Peak and junction with Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UCR80797  Elymus glaucus Scott D. White 1993-5-29 1478 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  CAS-BOT-BC206527  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3944 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  RSA500528  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3614 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR192701  Elymus hispidus Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1692 Riverside San Jacinto Mountains, east of Fobes Ranch Road, just south of Fobes Ranch 1585 Comment
  UCR2106  Elymus trachycaulus F. M. Reed 1928-7-10 5983 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  UCR22186  Elymus triticoides E. W. Lathrop 1960-6-9 4943 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  UCR57206  Elymus triticoides Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  RSA25342  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA525223  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4601 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA667004  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside 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. 500 Comment
  UCR101581  Emmenanthe penduliflora Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  POM97137  Emmenanthe penduliflora P. A. Munz 1925-5-20 9834 Riverside 2 miles W of Dripping Spring. 427 Comment
  CAS-BOT-BC131167  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument 1280 Comment
  POM301791  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument. 1280 Comment
  SDSU3826  Encelia actoni H. Wedberg 1963-5-25 1066 Riverside 0.5 mile from Cranston Ranger Station on road to Mountain Center and Idyllwild, San Jacinto Mountains. 610 Comment
  UCR116782  Encelia actoni A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24166 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR176911  Encelia actoni Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  CAS-BOT-BC131325  Encelia farinosa Peter H. Raven 1958-1-23 11413 Riverside 2.7 miles west of Whitewater Post Office Comment
  POM41496  Encelia farinosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  RSA739853  Encelia farinosa J. L. Strother 2008-3-10 1368 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  UCD131200  Encelia farinosa Nancy Ryan Zabriskie 1969-4-1 173 Riverside Andreas Canyon, near Palms Springs. 152 Comment
  UCR241657  Encelia farinosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 317 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  SEINET10618306  Encelia farinosa Billy Joe Cox 1975-4-23 Cox 4130 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  POM356698  Encelia farinosa var. farinosa Norman C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  UCR279394  Encelia frutescens A. C. Sanders, Jim Malusa 2017-3-25 43010 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
  JEPS49123  Ephedra W. L. Jepson 1928-4-23 12566 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  RSA597528  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway ca. 0.45 mi. downhill from 3000 ft. marker. Rocky east facing slope 915 Comment
  JOTR32657  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  POM293443  Ephedra californica Lyman Benson 1954-5-2 15280 Riverside Morongo Pass (south end of Morongo Valley). 915 Comment
  RSA696370  Ephedra californica Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  RSA774503  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4425 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
  RSA0020369  Ephedra nevadensis Duncan S. Bell 2012-3-4 3128 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 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
  UC20093  Epilobium brachycarpum H. M. Hall Aug 5 1901-Aug 7 1901 2627 Riverside s side San Jacinto Mountains 1615 Comment
  UCR17539  Epilobium campestre John C. Roos 1952-5-28 5731 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR201818  Epilobium campestre Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR106921  Epilobium canum D. L. Banks, Lauren Raz 1996-11-5 1167 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  RSA192041  Epilobium canum subsp. canum H. A. Zuill 1966-6-23 237 Riverside San Mateo canyon about 12 miles SW of Murrieta. Comment
  RSA596149  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1197 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  SD132341  Epilobium canum subsp. canum Scott White 1990-10-23 Riverside 8.5 miles eastnortheast of Temecula; east of De Portola Rd. on El Dorado Road. 487 Comment
  SD70929  Epilobium canum subsp. canum Helen V. Witham 1969-7-2 187 Riverside Occasional, De Luz Creek crossing, 4 miles North of De Luz 249 Comment
  SBBG44917  Epilobium canum subsp. latifolium W. B. Holt 1941-10-23 17 Riverside near Split Rock, Joshua Tree National Monument Comment
  UCR129332  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Mtns., Cottonwood Springs, Joshua Tree National Monument 915 Comment
  RSA463110  Epilobium ciliatum S. J. Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with temecula Creek, near the town of Murrietta. Comment
  UCR23534  Epilobium oregonense John C. Roos 1937-8-18 2528 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  RSA381722  Epipactis gigantea M. B. Dunkle 1933-5-6 3423 Riverside Andreas Canyon, Colorado Desert. Comment
  UCR131080  Epipactis gigantea George H. Grinnell 1923-5-28 s.n. Riverside Riverside 366 Comment
  MACF015740  Equisetum laevigatum Louis C. Wheeler 1932-7-9 11251 Riverside Santa Ana River at Chino Creek 182 Comment
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Jul 22 2015
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  UCR92301  Eragrostis Scott D. White 1994-10-17 2493 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street. 320 Comment
  UCR26522  Eragrostis cilianensis A. C. Sanders, S. Hagopian 1981-5-20 2155 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  UCR77742  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  UCR16591  Eremalche rotundifolia Barry A. Vittor 1966-3-25 s.n. Riverside Sonoran (Colorado) Desert, Rancho Dos Palmas, 2 mi. NE of Salton Sea State Park. 30 Comment
  UC69217  Eremothera boothii subsp. condensata E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  SDSU3044  Eriastrum densifolium Wende E. Rehlaender 1983-5-28 111 Riverside Santa Rosa Mountains; next to Hwy 74, about 12 miles along road from Palm Desert; 1/2 mile W of Deep Canyon, 3 miles NW of Sheep Mountain. Comment
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Jan 24 2013
  CAS-BOT-BC514306  Eriastrum densifolium subsp. austromontanum H. M. Hall 1901-7-1 2384 Riverside San Jacinto Mountains 1584 Comment
  UCR126206  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  SD48054  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along U. S. Highway 99, 0.25 mile west of the junction with the road to Twenty-nine Palms. Comment
  UCD118275  Eriastrum eremicum subsp. eremicum A. C. Sanders 1988-5-11 7810 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
  CAS-BOT-BC514461  Eriastrum eremicum subsp. eremicum Edith A. Purer 1935-4-21 6459 Riverside Near Palm Springs Comment
  RSA0120083  Eriastrum eremicum subsp. eremicum Alan Prather, Alice Hempel 1993-5-16 1343 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  UCR261143  Eriastrum sapphirinum A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41733 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 370 Comment
  UCR69997  Eriastrum sapphirinum Scott D. White 1991-9-17 91- 53 Riverside Peninsular Range, W side of lake Elsinore at the S foot of the Ortega Hwy (Hwy 74). 427 Comment
  RSA0121561  Eriastrum sapphirinum subsp. dasyanthum Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  HSC35352  Eriastrum sapphirinum subsp. sapphirinum J. D. Ackerman, A. M. Montalvo 1975-6-26 522 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1 mi. E of Upper San Juan Campground, Cleveland National Forest 610 Comment
  RSA0122968  Eriastrum sapphirinum subsp. sapphirinum Scott D. White 2000-8-5 8111 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  UCD131305  Ericameria cuneata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 361 Riverside around 2 miles up water service road south of Highway 74, Deep Canyon, north slope Santa Rosa Mountains. 1310 Comment
  JEPS30388  Ericameria nauseosa var. bernardina William M. Klein 1960-8-22 1587 Riverside n of Idyllwild (along trail to Suicide Rock); San Jacinto Mts., Mt. San Jacinto, Suicide Rock Comment
  UC31193  Ericameria nauseosa var. bernardina H. M. Hall 1896-8-29 341 Riverside Round Valley side San Jacinto Mountains, Round Valley 2743 Comment
  JOTR32895  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA689513  Ericameria palmeri var. pachylepis Scott D. White, Michael Honer 2003-4-2 8898 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR120174  Ericameria palmeri var. pachylepis Mitch Provance 1998-3-6 140 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St.on the north side of Granite Hill Dr. 305 Comment
  CAS-BOT-BC299533  Ericameria paniculata A. C. Sanders; G. Helmkamp; O. Clarke; B. Pitzer; et al 1996-11-9 19647 Riverside Orocopia Mtns., near Bob's Cabin 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo, Colorado Desert 609 Comment
  RSA735609  Ericameria pinifolia LeRoy Gross, Duncan S. Bell 2008-9-16 3579 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  CAS-BOT-BC293301  Ericameria teretifolia Lewis S. Rose 1936-12-24 36815 Riverside San Jacinto Mts., Palms to Pines Highway. 24 mi. SW. of Indio 1066 Comment
  OBI42661  Erigeron foliosus B. Pitzer & K. Kirtland, K. Kirtland 1986-5-20 228 Riverside Butterfield Stage Ranch dev, in the hills on the N side of Pauba Valley, in the Rancho Calif area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd (T7S, R2W, sec 36 457 Comment
  UCR176184  Erigeron foliosus Amber Bruno 2005-6-7 51 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  CAS-BOT-BC296137  Erigeron foliosus var. foliosus Lester Rowntree 1936-5-16 s.n. Riverside Pines to Palms Road Comment
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  POM19628  Erigeron foliosus var. stenophyllus Mary F. Spencer 1923-6-6 2214 Riverside San Jacinto. 518 Comment
  HSC25446  Eriodictyon crassifolium Richard Spjut 1972-3-14 2273 Riverside San Jacinto Mtns., Rte. 1 from Hwy. 10 to Idylwild 1220 Comment
  RSA455017  Eriodictyon crassifolium Elbert Benjamine 1929-5-18 233 Riverside Mt. San Jacinto. Comment
  SD137735  Eriodictyon crassifolium Darin L. Banks, Steve Boyd 1995-3-30 127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope pf Agua Tibia Mt. W of Dripping Springs Alcove, on Woodcuck Trail 633 Comment
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Mar 2 2013
  CAS-BOT-BC188969  Eriodictyon parryi H. M. Hall 1901-7-1 2502 Riverside Vicinity of Strawberry Valley 1828 Comment
  RSA601086  Eriodictyon trichocalyx A. C. Sanders, J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  RSA482214  Eriogonum apiculatum Richard Noyes, L. Arnseth 1988-9-10 733 Riverside South Ridge Trail, southwest of Tahquitz Peak. Near trailhead. 2012 Comment
  UC6235  Eriogonum apiculatum H. M. Hall July, 1901 2564 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains Comment
  CAS-BOT-BC242799  Eriogonum davidsonii H. M. Hall 1901-7-1 2624 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1584 Comment
  JOTR29270  Eriogonum davidsonii La Doux, Tasha 2005-8-17 1540 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  RSA666776  Eriogonum davidsonii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  CDA22575  Eriogonum deflexum T. C. Fuller 1962-10-2 9699 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  UCR281928  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-21 43354 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR50891  Eriogonum deflexum A. C. Sanders 1988-5-11 7807 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA191436  Eriogonum elongatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6655 Riverside 4 mi. NW of Murietta, 1 mi. W of Santa Rosa Ranch. Comment
  RSA65158  Eriogonum elongatum J. T. Howell 1928-11-4 4089 Riverside San Gorgonio Pass, between Banning and Cabazon. Comment
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Mar 13 2011
  SDSU13544  Eriogonum elongatum var. elongatum W. Miller with C. Mosse 1972-8-9 Riverside Comment
  CAS-BOT-BC249961  Eriogonum fasciculatum var. foliolosum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC250128  Eriogonum fasciculatum var. polifolium R. J. Barr 1964-11-29 64 -594 Riverside 10 miles West of Banning 762 Comment
  UC69224  Eriogonum gracile F. M. Reed 1905-9-16 818 Riverside vicinity Riverside (Terraces Ranch); Terraces Ranch Comment
  RSA0043043  Eriogonum inflatum Duncan S. Bell, Loraine Washburn 2014-4-8 6581 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
  UCR165285  Eriogonum inflatum 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
  UCR20696  Eriogonum inflatum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1323 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CAS-BOT-BC263118  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  CAS-BOT-BC263120  Eriogonum maculatum Annie M. Alexander; Louise Kellogg 1941-5-15 2177 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  JOTR35297  Eriogonum maculatum Andre, Jim 2012-4-11 20794 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  SBBG128  Eriogonum molestum R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1219 Comment
  CLARK-A1528-3677  Eriogonum nudum subsp. pauciflorum John C. Roos 1943-10-16 2740 Riverside Little San Bernardino Mountains Comment
  LA206956  Eriogonum nudum var. pauciflorum Elizabeth McClintock; 1938-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  UCR272168  Eriogonum nudum var. pauciflorum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8570 Riverside Santa Rosa Mountains, along Forest Service Road 7S02 c. 0.7 air mile west of the summit of Santa Rosa Mountain 2253 Comment
  RSA279576  Eriogonum parishii James L. Reveal, Barbara J. Ertter 1976-6-30 4568 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain at Santa Rosa Camp, about 8.5 miles southeast of California Hwy 74. 2165 Comment
  CAS-BOT-BC33969  Eriogonum plumatella var. jaegeri Edmund Carroll Jaeger 1921-11-5 251 Riverside Dry Morongo Wash, near Hole-in-the-Wall Spring Comment
  UC598736  Eriogonum reniforme John Bright 1936-4-21 12845 Riverside about 5 mi n Palm Springs; Colorado Desert Comment
  CAS-BOT-BC263545  Eriogonum thomasii Elizabeth McClintock 1958-4-5 s.n. Riverside Along wash in Painted Canyon, Colorado Desert Comment
  RSA424961  Eriogonum thomasii M. B. Dunkle 1932-3-25 2904 Riverside Cathedral Canyon Comment
  SBBG92801  Eriogonum thomasii D. Charlton 1988-2-18 1143 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  CAS-BOT-BC262870  Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1219 Comment
  CAS-BOT-BC262876  Eriogonum thurberi John Thomas Howell 1931-6-4 6646 Riverside San Gorgonio Pass Comment
  RSA0105832  Eriogonum thurberi Alan Romspert 2000-7-28 s.n. Riverside Half way between Market St. and Riverside Ave. Bridges. Comment
  SEINET6894828  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC263583  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  JEPS56110  Eriogonum wrightii var. membranaceum Marjorie D. Clary 1932-8-21 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  SD122865  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau, Gavilan Hills, Gavilan Creek 2000 Comment
  SEINET7048174  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  POM4896  Eriophyllum ambiguum var. paleaceum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  POM13391  Eriophyllum confertiflorum E. C. Jaeger 1921-4-5 s.n. Riverside Mission Creek. Comment
  POM229441  Eriophyllum confertiflorum P. A. Munz 1937-5-30 15096 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1676 Comment
  POM357969  Eriophyllum confertiflorum Emery M. Whilton 1937-4-23 s.n. Riverside Taken on the crest of the San Jacinto Mtns. Comment
  POM54139  Eriophyllum confertiflorum M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  UCR213521  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38363 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 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
  SJSU5248  Eriophyllum lanosum R. C. McGehee 1970-4-16 208 Riverside between Wileys Well & Nyland Comment
  UCR213610  Eriophyllum multicaule A. C. Sanders, Matthew Malle 2010-4-23 38002 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR281271  Eriophyllum multicaule Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 31 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  JOTR34195  Eriophyllum wallacei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2988 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SD185134  Eriophyllum wallacei T. B. Salvato, Kent Beaman 2005-5-16 764 Riverside San Jiaconto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA. Highway 74. 548 Comment
  UC472866  Eriophyllum wallacei Mary Fiske Spencer 1926-3-8 26 Riverside Snow Canyon washes, base of San Jacinto Mts; , Snow Canyon Comment
  RSA0042658  Eriophyllum wallacei Elliott Waite 1950-4-29 s.n. Riverside Cranton [Cranston] Ranger Station, San Berdo [Bernardino] Natl Forest. 609 Comment
  RSA612816  Erodium brachycarpum D. L. Banks 1997-3-1 1353 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UC1922687  Erodium moschatum Scott D. White, Angelia Carey 2004-4-5 10037 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  CLARK-A1528-2960  Erodium obtusiplicatum John C. Roos 1966-3-22 Riverside Edgemont Comment
  POM14030  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfields, Chuckwalla Valley 152 Comment
  RSA480094  Erodium texanum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2183 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA703401  Erodium texanum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1453 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR154547  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-13 680 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
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Feb 3 2015
  RSA0016050  Erythranthe cardinalis Mary F. Spencer 1923-7-1 2232 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA0020243  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 644 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD120077  Erythranthe parishii Louis B. Ziegler 1969-6-12 381 Riverside San Jacinto Mountains - Hemet Valley. In streambed, near Pine Meadows region 1431 Comment
  RSA0022935  Eschscholzia androuxii Robert F. Thorne 1973-3-30 42661 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  CAS-BOT-BC402623  Eschscholzia caespitosa Sears 1978-3-18 925 Riverside 3 mi. E. of Corn Spring, 9 mi SE of Desert Center 365 Comment
  RSA614626  Eschscholzia californica D. L. Banks 1997-3-29 1570 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
  UCR113140  Eschscholzia californica A. C. Sanders 1998-3-11 21664 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 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
  JEPS21007  Eschscholzia minutiflora H. M. Hall May 17 1901-Jun 1 1901 1804 Riverside from Riverside to Santa Rosa Peak and Palomar Comment
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Nov 27 2011
  JOTR35067  Eschscholzia minutiflora La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3519 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  LA46285  Eschscholzia minutiflora H. Lewis; 1949-3-26 610 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  RSA0022948  Eschscholzia minutiflora Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4770 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  SBBG23074  Eschscholzia minutiflora D. Myrick 1965-3-4 1074 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  SJSU1863  Eschscholzia minutiflora J. W. Tilden 1957-4-18 1094 Riverside near Whitewater E of San Gorgonio Pass Comment
  GMDRC7790  Eschscholzia papastillii J. M. Andre 2015-3-6 33553 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  RSA0123114  Eschscholzia papastillii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9021 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCD95447  Eschscholzia papastillii William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCD96493  Eschscholzia papastillii Shannon M. Still 2009-2-21 436 Riverside California. Riverside County. 167 Comment
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Sep 2 2017
  CHSC98207  Eucalyptus A. C. Sanders 1992-3-1 12039 Riverside University of California, Riverside. Australian section of UCR Botanical Garden. Grid Cell R-3. UCR BG Ass. # unknown, label lost. #121A on Kucera/Morgan temp. Aust. sect. map. NW edge of trail. 366 Comment
  SD244188  Eucalyptus A. C. Sanders, Timothy W. Chumley 2013-3-28 40710 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15, near old clay mines (Alberhill 7.5'Q) 395 Comment
  CAS-BOT-BC300505  Eucommia ulmoides O. F. Clarke 2004-4-1 s.n. Riverside Peninsular Range: Riverside; UCR Botanical Garden 412 Comment
  POM128391  Eucrypta chrysanthemifolia Thomas Craig 1927-4-23 218 Riverside Glen Ivy. Comment
  LA209968  Eucrypta chrysanthemifolia var. chrysanthemifolia H. L.; 1935-2-21 Riverside Reche Canyon 548 Comment
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Mar 22 2014
  CLARK-A1045-871  Eucrypta micrantha George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA0123082  Eucrypta micrantha Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8975 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
  SBBG47468  Eulobus californicus N. C. Cooper 1944-5-6 1210 Riverside Whitewater Cyn 457 Comment
  UC668395  Eulobus californicus Annie M. Alexander and Louise Kellogg 1941-4-22 2058 Riverside Morongo Valley Gorge 701 Comment
  UC68569  Eulobus californicus H. M. Hall May 1905 6242 Riverside Shaver's Well Colorado Desert, Chilcoot Pass Comment
  LA104420  Euonymus occidentalis var. parishii Robert F. Thorne; 1969-10-25 41851 Riverside San Jacinto Mountains, James Reserve Comment
  RSA716000  Euphorbia albomarginata R. D. Goeden, D. W. Ricker 1965-6-24 s.n. Riverside Riverside, east of Gage Canal near end of Massachusetts Ave. 320 Comment
  UCR112314  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23444 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA0102792  Euphorbia lurida Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8586 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  RSA0047265  Euphorbia polycarpa J. Mark Porter, Lauren E. Machen 1997-2-15 11426 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  UCD142701  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7466 Riverside Shavers Valley. Roadside along Cal. 195 near Buried Mt., c. 3 mi SW of jct. with Interstate 10. 426 Comment
  OBI14407  Euphorbia polycarpa var. hirtella Robert F. Hoover 1966-10-15 10162 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  RSA296137  Euphorbia polycarpa var. hirtella B. A. Prigge 1980-8-5 3879 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  UCR18358  Euphorbia serpens O. F. Clarke 1977-10-10 s.n. Riverside University of California, Riverside campus, NE of parking lot #6. Comment
  UCR201617  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  JOTR37717  Fagonia laevis Hodges, Stephen R., L. Ashfield 2016-1-20 648 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  RSA550346  Fagonia laevis Walter Wisura, John Dolan, M. Wall 1992-3-24 4642 Riverside Lowdesert: 5.6mi S of I-10 on rd to Corn Spring. Comment
  RSA676159  Fagonia laevis Scott D. White 2001-4-3 8255 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC867880  Fagonia laevis P. A. Munz and D. Keck Apr 9 1922-Apr 22 1922 4790 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  CDA43476  Fatoua villosa Chandler & Mellor 2015-11-13 PDR# 331 P06143073-1 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  RSA439060  Ferocactus cylindraceus Ora M. Clark 1929-3-17 1759 Riverside S. Palm Springs. Comment
  UCR181346  Festuca arundinacea Mitch Provance 2003-7-7 6528 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
  UCR79472  Festuca arundinacea Steve Boyd 1993-5-12 7338 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCR137606  Festuca microstachys Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2276 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  VVC2909  Festuca microstachys var. pauciflora Tim Thomas, P. J. MacKay 2010-4-12 5040 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR16071  Festuca myuros H. C. Sharma 1976-4-26 760426- 02 Riverside Woodcrest, c. 2 miles from Woodcrest on Firethorn Ave 335 Comment
  RSA0026299  Filago John F. Emmel 1991-4-28 1169 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  RSA736575  Filago arizonica Keith E. Hoffmaster 1935-3-31 571 Riverside Palm Springs. Comment
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Aug 27 2011
  POM47488  Filago californica Mary F. Spencer 1920-3-28 1630 Riverside In desert sand near Palm Springs Comment
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Aug 27 2011
  RSA594044  Filago californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 C Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR116609  Filago depressa A. C. Sanders 2001-4-8 23976 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR127364  Filago gallica A. C. Sanders, D. Malueg 2003-5-8 26579 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR15606  Filago gallica 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
  CHSC4931  Fouquieria splendens R. Pierce Jr. 1967-4-12 48 Riverside 1/4 mi s of Choilz Cactus Park in Joshua Tree National Monument. Comment
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Jan 11 2007
  RSA627504  Fragaria vesca Scott D. White 1998-7-31 6944 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA628536  Frangula californica subsp. californica A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22218 Riverside Morongo Indian Reservation, Middle Branch Millard Canyon. 1311 Comment
  UC1122129  Frankenia salina A. Lewis May 1934 457 Riverside Lakeview Elsinore Quadrangle Comment
  UCR3713  Frasera parryi Frank C. Vasek 1964-7-25 640725- 23 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  SBBG15860  Fraxinus dipetala P. Kamb 1949-4-30 1405 Riverside Banning-Idyllwild Rd below Barton Lookout 1127 Comment
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May 24 2012
  SDSU14313  Fraxinus velutina Kristin Andrade, Mike Simpson 2002-4-20 15 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 223 Comment
  UC55739  Fraxinus velutina H. M. Hall 1898-6-28 959 Riverside e of Kenworthy (s side of San Jacinto Mts.); San Jacinto Mts. Comment
  RSA263771  Fritillaria biflora E. W. Lathrop 1971-3-24 7460 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR48483  Fritillaria biflora Steve Boyd 1986-4-2 1581 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA735064  Funastrum cynanchoides var. cynanchoides Scott D. White, Angelia Carey 2004-6-4 10478 -A Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR281017  Funastrum cynanchoides var. hartwegii Fred M. Roberts 2016-3-5 7989 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SD229054  Funastrum heterophyllum Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 896 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  POM76095  Funastrum hirtellum Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0106758  Funastrum hirtellum Duncan S. Bell, Amanda Turek 2009-3-29 143 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  UCR268085  Funastrum hirtellum Jim Andre 2012-4-11 20727 Riverside Mojave Desert, Joshua Tree National Park, along road to Cottonwood Spring (Utah Trail or Eldorado Mine Road) 1 mile northwest of Fried Liver Wash, c. 15 miles south of Hwy 62 at 29 Palms 617 Comment
  UCR125219  Galium angustifolium Mitch Provance 1998-5-24 531 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  UCR134644  Galium angustifolium Mitch Provance 1998-4-10 411 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  JEPS56069  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4239 Riverside near Maple Creek crossing of road running due e from Vista Grande Guard Station San Jacinto Mts. (open n slope) Comment
  JEPS56074  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-21 4178 Riverside Hwy 79 17.2 mi s Hemet (n-facing slope) Comment
  RSA33783  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-5-19 1300 Riverside Banning. 701 Comment
  SBBG101768  Galium angustifolium subsp. angustifolium S. Boyd, T. Ross 1991-6-14 6404 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR24919  Galium aparine A. C. Sanders 1980-7-18 1657 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR147595  Galium californicum subsp. primum Naomi Fraga, S. DeGroot 2004-7-7 1298 Riverside Peninsular Ranges; San Jacinto Mountains region, Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows 1418 Comment
  HSC19819  Galium nuttallii subsp. nuttallii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23104 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  SBBG29186  Galium parishii E. C. Jaeger 1949-7-25 Riverside Virgin Spring, N slope Toro Peak 2377 Comment
  UCR61028  Galium porrigens var. porrigens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2288 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM14223  Galium stellatum Philip A. Munz, D. D. Keck 1922-4-9 4792 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 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
  CLARK-A1528-534  Garrya flavescens subsp. pallida C. M. Flanagan 1973-5-31 OO 643 Riverside Morongo Indian Reservation 975 Comment
  CAS-BOT-BC158075  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Lodge, mouth San Jacinto [Canon] Canyon 914 Comment
  UCR195137  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  RSA597515  Gayophytum diffusum subsp. parviflorum Louis C. Wheeler 1945-10-6 6132 Riverside San Jacinto Mountains. Snow Creek and north fork San Jacinto River. 2378 Comment
  UC454604  Gayophytum diffusum subsp. parviflorum I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  UCR257224  Gayophytum diffusum subsp. parviflorum Naomi Fraga, Et al. 2008-8-28 2608 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  RSA593765  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mountains, along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  POM358675  Geraea canescens N. C. Cooper 1949-4-9 3241 Riverside Mecca Pass E of Indio. 549 Comment
  RSA778247  Geraea canescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 933 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SEINET2051654 Image available Geraea canescens N. Cooper 1949-3-15 3027 Riverside Palm Springs 120 Comment
  UC53923  Geraea canescens F. Gilman 1902-1 38 Riverside Palm Springs Comment
  UCD132581  Geraea canescens P. C. Everett; E. K. Balls 1958-4-29 22956 Riverside US Hwy. 60/70 Indio to Blythe, 2.7 miles east of junction with Highway 99. 30 Comment
  RSA12924  Gilia angelensis C. B. Wolf 1935-4-7 6314 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  SD231367  Gilia angelensis J. Mark Porter, Sara DeGroot 2005-3-9 14257 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I-10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  UCR120813  Gilia angelensis Ian G. Gillespie, Steve Boyd 2000-4-15 2 Riverside Lake Mathews, Drainage on E side of Monument Peak 488 Comment
  UCR230589  Gilia angelensis Jeffrey Ross, Sam Lau, Jennie Phui 1998-5-31 091 Riverside San Bernardino Mtns., Morongo Indian Reservation; lower half of east fork of Lion Canyon, up to and just past 2nd fork 618 Comment
  UCR96813  Gilia angelensis Scott D. White 1993-3-12 1181 Riverside Near Winchester 466 Comment
  POM17826  Gilia capitata subsp. abrotanifolia P. A. Munz, D. D. Keck 1923-6-14 7073 Riverside Santa Ana Mountains: Santiago Peak. 1524 Comment
  RSA470272  Gilia capitata subsp. abrotanifolia Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River Comment
  POM97005  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-5-2 10425 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  SD7671  Gilia diegensis 1882-5-3 Riverside Temecula Comment
  UCR169918  Gilia latifolia Scott D. White, Jennifer H. Jones 2005-4-21 10941 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  SEINET7063564  Gilia leptomeria A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  UCSB40410  Gilia micromeria C. Ochs 1980-3-25 3 Riverside 15 MI W OF VAIL LAKE (N SIDE OF CA HWY 79) 274 Comment
  RSA0016234  Gilia ochroleuca R. F. Thorne 1995-3-29 63023 Riverside White Water Canyon. 600 Comment
  UC23661  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2060 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1524 Comment
  RSA0016292  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona. Comment
  SEINET7048157  Gilia ochroleuca subsp. exilis Steven R. Hill 2001-5-3 33658 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA469737  Gilia stellata Albert J. Perkins, de Forest 1937-3-15 424 Riverside Just W of Desert Center Comment
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Apr 14 2013
  RSA470045  Gilia stellata Robert Gustafson 1983-3-27 2490 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla 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
  CAS-BOT-BC140527  Gnaphalium luteoalbum Oleg Pryadko 2008-5-2 054 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  CDA23611  Gnaphalium palustre Don Domenigoni 2008-9-3 s.n. Riverside Winchester, 33011 Holland Rd., at Hwy 79 and Rawson Rd. 0 Comment
  UCR232794  Gnaphalium palustre John F. Green 2008-4-16 0408- 50 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR202580  Gnaphalium stramineum Scott D. White, Justin M. Wood 2008-7-8 12403 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  POM118627  Guillenia lasiophylla Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA430054  Guillenia lasiophylla M. B. Dunkle 1937-3-25 4923 Riverside Colorado Desert. Shaver s Well Comment
  UCR172164  Gutierrezia californica T. B. Salvato, Gregg Miller 2005-6-3 1381 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 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
  POM359227  Gutierrezia sarothrae N. C. Cooper 1943-9-11 912 Riverside Below Idlewild. 915 Comment
  RSA0097131  Gutierrezia sarothrae Marc A. Baker, Chris Taylor 2015-6-26 18366 Riverside The Badlands, 1.5 km SSE of the intersection of San Timoteo Road and Redlands Blvd., 27 km ENE of Riverside, 0.5 km south of San Timoteo Wash. 567 Comment
  SFV20156  Gutierrezia sarothrae J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .3 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UC1118607  Gutierrezia sarothrae H. S. Yates 1937-6-27 6703 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  CDA3156  Halogeton glomeratus H. Lloyd 1948-10-2 Riverside Near Corona. 0 Comment
  CAS-BOT-BC231103  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon, 1.0 mile E of Indian Truck Trail Comment
  UCR172197  Harpagonella palmeri John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA0066633  Harpagonella palmeri Steve Boyd, Timothy S. Ross 1993-3-23 7906 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road. 732 Comment
  UCR262278  Hedypnois cretica A. C. Sanders 2006-5-13 32286 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCD132794  Helianthus annuus K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  HSC93116  Helianthus gracilentus Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  UCR19233  Helianthus petiolaris John C. Roos 1965-7-29 s.n. Riverside Hemet Comment
  UCR139987  Heliotropium curassavicum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR808  Heliotropium curassavicum S. C. Anderson 1957-5-21 s.n. Riverside Riverside, Santa Ana River bottom, 0.5 mi. east of Humane Society, north of Jurupa Ave. [near Union Pacific RR bridge] 220 Comment
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Feb 18 2013
  VVC2321  Heliotropium curassavicum var. oculatum Tim Thomas 2011-10-17 5522 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  POM360279  Hemizonia fasciculata Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  POM204504  Hemizonia kelloggii M. French Gilman 1934-7-8 s.n Riverside Banning Comment
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Mar 13 2011
  RSA773102  Hemizonia kelloggii Duncan S. Bell, J. D. England 2010-6-7 1273 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 775 Comment
  UCR177319  Hemizonia kelloggii Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  RSA614687  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-6 15793 Riverside San Jacinto Mts. N slope 1 mile SE of Twin Pines Ranch along minor gullies between Pines Creek and Dutch Creek. 1195 Comment
  UCR132825  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22272 Riverside San Jacinto Mtns., Hwy 243 between Idyllwild and Mountain Center, 1 mile north of Mtn. Center 1427 Comment
  UCR82772  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mountains, N slope of the mountains; Azalea Creek c. 0.5 mi. SW of the Twin Pines Ranch buildings, at road crossing just outside the ranch fence 1067 Comment
  RSA715053  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 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
  CLARK-A1528-1922  Hemizonia paniculata subsp. paniculata John C. Roos 1965-6-30 Riverside Edgemont Comment
  CDA6985  Hemizonia pungens subsp. laevis D. R. Siedschlag 1969-11-6 Riverside C.H. Mick property, Lake Matthews Drive, Gavilan Hills area, Riverside. 0 Comment
  UCR101369  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1998-9-29 22252 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR202215  Hemizonia pungens subsp. laevis Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR92256  Hemizonia pungens subsp. laevis Scott D. White, S. Ogg 1994-10-17 3455 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA785471  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  RSA439269  Hesperolinon micranthum Robert Gustafson, Gary D. Wallace 1983-6-23 2725 Riverside along Clinton Keith Road, ca 2.5 miles from its junction with Highway 15, Santa Ana Mountains Comment
  UCR56699  Hesperolinon micranthum Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW slope of Mesa de Burro 579 Comment
  RSA125200  Heterotheca fastigiata E. K. Balls, P. C. Everett 1957-8-20 22680 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  SDSU13044  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UCR22205  Heterotheca grandiflora Steve Boyd 1980-9-17 s.n. Riverside Perris Basin, Motte Reserve, 1/2 mi SW of Orange St. 2.5 mi NW of Perris 518 Comment
  UC74099  Heterotheca sessiliflora subsp. echioides M. F. Gilman 1904-1-1 33 Riverside Banning Comment
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Mar 13 2011
  CLARK-A1528-1930  Heterotheca subaxillaris John C. Roos 1965-9-26 Riverside Indio Comment
  RSA0066172  Heuchera elegans M. B. Dunkle 1933-7-19 3688 Riverside Tahquitz Peak. San Jacinto Mts. 2651 Comment
  RSA783109  Heuchera rubescens J. D. Olmsted 1959-7-7 752 Riverside Strawberry Creek drainage area. Near top of Tahquitz Peak below Ranger lookout. 1.5 mi SW of Idyllwild. 2683 Comment
  SD258431  Hibiscus denudatus J. M. Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Hwy 95, approx 12 miles S of Vidal Jct. 127 Comment
  UC897885  Hieracium horridum P. A. Munz 1922-7-6 6023 Riverside zigzag on trail from Tahquitz to Hidden Lake; San Jacinto Mts. 2377 Comment
  SEINET10926755  Hilaria rigida Samuel B. Parish 1896-4-4 Parish 4145 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 152 Comment
  SEINET188385 Image available Hilaria rigida C. L. Hitchcock 1940-4-3 5934 Riverside Joshua Tree NM ; 1 1/2 mi NE of Cottonwood Spring along 29 Palms Rd Joshua Tree Nat Monument Comment
  UCD115104  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  CLARK-A1528-476  Hoffmannseggia densiflora Charlotte Stocks 1964-9-11 Riverside Indio Comment
  CAS-BOT-BC207507  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  SEINET5554654  Hoffmannseggia microphylla A. M. Alexander, L. Kellogg 1941-1 2192 Riverside near Dos Palmas. Comment
  SEINET953934  Hoffmannseggia microphylla T. R. Van Devender, R. K. Van Devender 1986-1 86 -207 Riverside Cactus City Rest Area, Interstate Highway 10, about 23 miles east of Indio. Comment
  UCR55321  Holocarpha virgata subsp. elongata L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  RSA601925  Hordeum intercedens D. E. Bramlet 1997-3-13 2497 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  UCR241401  Hordeum marinum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7452 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA121044  Hordeum murinum subsp. glaucum J. T. Howell 1956-3-19 31117 Riverside San Jacinto. Comment
  SD132485  Hordeum murinum subsp. leporinum Oscar F. Clarke 1973-3-21 Riverside Weed at the O.F. Clarke residence, 1012 Spruce Street, Riverside Comment
  CLARK-A1528-66  Hordeum stebbinsii C. M. Flanagan 1973-5-12 OO 416 Riverside Morongo Indian Reservation 1158 Comment
  RSA0018956  Horkelia clevelandii J. D. Olmsted 1959-6-26 686 Riverside Woods south of boys meadow area, Desert Sun School at Saunders Meadow near Idyllwild. San Jacinto Mountains, drainage area to San Jacinto River. 1707 Comment
  RSA769765  Hulsea vestita subsp. callicarpha Duncan S. Bell, Valentin Arvizu 2010-5-10 987 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  UCR34976  Hulsea vestita subsp. callicarpha L. B. Ziegler 1972-5-29 466 Riverside San Jacinto Mtns., W slope along Hwy 74 1341 Comment
  RSA561119  Hydrocotyle umbellata Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7317 Riverside Southern Santa Ana Mountains, Sant 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
  UCR109543  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 1.5 mi. west of Corn Spring in wash on canyon bottom 600 Comment
  RSA93950  Hymenoclea salsola Margaret Stason, F. Brubaker 1928-3-3 7697 Riverside Hidden Spring Canyon near Mecca. Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM4247  Hyptis emoryi I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. 152 Comment
  RSA795970  Hyptis emoryi Duncan S. Bell 2009-4-19 299 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCD124930  Hyptis emoryi Collector unknown 1923-3-26 298 Riverside Tahquitz Wash, Palm Springs. Comment
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Feb 17 2013
  UCR104802  Hyptis emoryi George K. Helmkamp 1998-2-5 2649 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR281906  Hyptis emoryi A. C. Sanders, Jim Malusa 2017-9-21 43357 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  CAS-BOT-BC311609  Isocoma acradenia var. eremophila A. O. Merritt 1925-10-30 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC311611  Isocoma acradenia var. eremophila N. Aitkenhead 1977-2-1 2119 Riverside 1000 Palms Sand Dune Natural Area Comment
  UCR151125  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 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
  RSA606519  Isoetes howellii Jon E. Keeley 1985-4-18 7926 Riverside Main pool near road, Mesa de Colorado, Santa Rosa Plateau. Santa Ana Mountains 675 Comment
  CLARK-A1656-898  Isomeris arborea var. angustata Jim Cornett 1977-6-25 Riverside Desert Hot Springs 396 Comment
  UCR266483  Iva axillaris subsp. robustior Mitch Provance, Eric Kline 2015-3-26 315- 46 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  UC2062455  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7433 Riverside S side Tahquitz Peak, San Jacinto Mountains. Comment
  CLARK-A1703-1214  Jasminum mesnyi Charles S. Papp 1965-1-12 805 Riverside Riverside Comment
  RSA84404  Jepsonia parryi F. W. Peirson 1922-12-27 3337 Riverside Between forks of Andreas Canyon, near Palm Springs 609 Comment
  SDSU9541  Jepsonia parryi James C. Dice with Tu Chung 1987-10-19 737 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, northwest 1/4 of northwest 1/4 of section 26. 329 Comment
  RSA645689  Juglans californica Scott D. White, Steve Ogg 1994-4-21 1974 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
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Mar 28 2014
  UCR114749  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  CAS-BOT-BC109879  Juncus Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  POM14372  Juncus bufonius Phillip A. Munz 1922-5-5 5160 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  UCR272134  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  UCR24965  Juncus duranii A. C. Sanders 1980-8-23 1755 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UC1931209  Juncus effusus Scott D. White, Justin Wood 2008-6-18 12233 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  RSA247274  Juncus effusus subsp. austrocalifornicus G. D. Wallace, D. H. Wilken 1966-7-3 652 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  RSA268209  Juncus effusus subsp. austrocalifornicus M. B. Dunkle 1933-7-21 3722 Riverside Idyllwild 1616 Comment
  UCR197054  Juncus effusus subsp. austrocalifornicus A. C. Sanders, D. L. Sanders 2008-9-27 36100 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA594506  Juncus mexicanus Darin L. Banks, Rashmi Pant 1996-5-13 1017 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  UC1601830  Juncus oxymeris H. M. Hall 1897-8-12 837 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  RSA788095  Juncus rugulosus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49553 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  SEINET1908445  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-1 35777 Riverside Peninsular Range; San Jacinto Mtns.: FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  UC1495750  Juncus tiehmii Barbara Ertter and Jeffrey L. Strachan 1980-5-21 3481 Riverside ca 2 mi s Hwy. 74 (Pines to Palms Hwy.) (Santa Rosa Mtn rd (Forest Rd 7S02)) 1584 Comment
  RSA737215  Juncus torreyi Justin M. Wood 2008-9-30 170 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR21862  Juncus xiphioides Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CLARK-A1656-721  Juniperus californica unknown 1981-3-14 Riverside Coachella Valley Comment
  UC813449  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside Palms to Pines Hwy 24 mi sw Indio; San Jacinto Mts. 1066 Comment
  UCR136166  Juniperus californica A. C. Sanders 2004-6-20 28218 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
  RSA777824  Justicia californica Jim Andre, G. L. Clifton 2011-2-22 17456 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  UC888143  Justicia californica N. Dunn and A. M. Martin 1932-3-26 Riverside Shaver's Well Comment
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  UCR242298  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40424 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd., 0.1 mi. above I-10 junction, below Ironwood St. Prison 120 Comment
  CAS-BOT-BC434233  Keckiella antirrhinoides Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 01 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon. 741 Comment
  JEPS29482  Keckiella antirrhinoides Lauramay T. Dempster 1962-4-17 1887 Riverside Whitewater Canyon; about 1 mi below Fish Hatchery Comment
  RSA424842B  Keckiella antirrhinoides N. C. Cooper 1949-6-1 3952 Riverside Elsinore. 762 Comment
  SD132283  Keckiella antirrhinoides Narca A. Moore-Craig 1984-4-13 Riverside Mt. San Jacinto, 4 mi W of Mountain Center along Hwy 74. 671 Comment
  SD234523  Keckiella antirrhinoides Wayne Law, Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona. 395 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
  RSA401719A  Keckiella antirrhinoides subsp. microphylla Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto and Santa Rosa Mts. 1250 Comment
  UCR91419  Keckiella antirrhinoides var. antirrhinoides Scott D. White 1995-4-5 2722 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA1321  Keckiella cordifolia J. T. Howell 1928-7-8 1055 Riverside Santa Ana Mountains above Glen Ivy 1067 Comment
  POM11200  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-5 6008 Riverside Tahquitz Valley, San Jacinto Mountains 2256 Comment
  JEPS13633  Keckiella ternata Peter Kamb 1948-7-4 1184 Riverside below Barton Lookout (Banning-Idyllwild road); San Jacinto Mts. 1158 Comment
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May 24 2012
  RSA0019430  Keckiella ternata subsp. ternata R. M. Straw 1953-6-24 477 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  CDA3136  Kochia scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. Comment
  UCD86081  Koeleria macrantha H. M. Reed 1932-7-3 7294 Riverside San Jacinto Mts., Camp Emerson. Comment
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May 1 2011
  CAS-BOT-BC61422  Krameria bicolor J. Cole 1942-5-19 967 Riverside Fried Liver Wash, Pinto Basin, Joshua Tree National Monument 609 Comment
  LA45680  Krameria bicolor Virginia Mars; 1951-5-27 sn Riverside San Jacinto Mountains, Highway 74, desert at base of mountains Comment
  SD216488  Krameria bicolor Jay B. Walker 1995-5-4 1417 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UCSB16823  Krameria bicolor Winn, Will 1963-4-8 Riverside 37.9 miles east of Desert Center on U.S. Highway 60-70 243 Comment
  RSA718174  Krameria canescens Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms Comment
  CAS-BOT-BC43701  Krameria erecta H. M. Hall 1901-6-1 2114 Riverside Eastern base, along the borders of the Colorado Desert Comment
  RSA457794  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA0111979  Krameria grayi Duncan S. Bell 2009-8-15 417 Riverside Northwest of the Arica Mountains. 300 Comment
  RSA408603  Krameria grayi Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  RSA735400  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11228 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
  UCR178534  Krameria grayi R. G. Swinney 1967-5-26 143 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UC64845  Laennecia coulteri E. A. Zumbo 1904-1-1 438 Riverside Cold Water Canyon Santa Ana Mts. Comment
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Jan 11 2007
  SD136907  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest; 0.5 miles south of Serrano Spring 730 Comment
  UCR117347  Lamium amplexicaule Mitch Provance 1998-3-21 273 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', mesas below (SW of) the Ormand Quarry. 287 Comment
  SD225025  Laportea ovalifolia A. C. Sanders 1995-11-30 17926 Riverside Riverside: week in the UCR Botanic Garden. 365 Comment
  RSA0118589  Larrea tridentata Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7654 Riverside Mecca Hills: mouth of Painted Canyon, southwest side of Mecca Hills, northeast of Mecca, west of Box Canyon, northeast of Coachella Canal, northeast of powerline, near mouth of Skeleton Canyon. 52 Comment
  RSA390030  Larrea tridentata Bonnie C. Templeton 1930-4-4 1076 Riverside North of Palm Springs. Dry wash. Lower sonoran 400 Comment
  SFV2004  Larrea tridentata M. L. Vincent, R. H. Swade 1963-10-19 462 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCR124632  Larrea tridentata B. C. Templeton, I. W. Clokey 1930-4-9 1076 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR167431  Larrea tridentata 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
  UCR262463  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41499 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  SD140185  Lasthenia californica Scott White 1993-4-20 1201 Riverside Estelle Peak, Gavilan Hills. Lake Mathews Quad. Comment
  JEPS29304  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-25 8399 Riverside about 10 air miles nw Elsinore (near Arcilla siding of A.T. & S.F. Railway, just below and e of state Highway 71); Temescal Wash 289 Comment
  RSA608200  Lasthenia coronaria R. S. Woglum 1938-5-1 1609 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  RSA617302  Lasthenia coronaria R. S. Woglum 1934-3-18 649 B Riverside San Jacinto Mountains/Sonoran Desert transition: Snow Creek, Coachella Valley. Comment
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  JEPS35388  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19159 Riverside Temecula 304 Comment
  RSA550495  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-3 2214 Riverside Entrance to San Jacinto Wildlife area some 152m east of Davis Road. and 10m south of the exisitng access road. The site is some 137m south of the exsiting headquarters building and some 76m south of a waterfowl pond. 434 Comment
  RSA160876  Lasthenia gracilis P. C. Everett, Nick Lolonis 1962-4-13 24450 Riverside Temescal Canyon, intersection Hwy 71 and road to Lake Matthews Comment
  RSA543606  Lasthenia gracilis Steve Boyd 1991-5-7 6168 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UC2061414  Lasthenia gracilis Rachael L. Olliff Yang with Alice J. Olliff 2017-3-27 9 Riverside UC Riverside Motte Rimroc Reserve, about 500 m uphill from the research station. Comment
  UCR214016  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37792 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
  POM295533  Lathyrus vestitus subsp. laetiflorus Lyman Benson 1946-4-15 12011 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  SD237493  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  UC63258  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  CAS-BOT-BC379666  Layia platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  POM305823  Layia platyglossa Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1073 Riverside Corona-Elsinore. Comment
  RSA614302  Layia platyglossa D. L. Banks, Victor Steinmann 1997-3-13 1506 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UC1424870  Layia platyglossa Louis B. Ziegler 1966-6-10 Riverside between Mountain Center and Keen Camp summit; San Jacinto Mountains 1447 Comment
  UC63242  Layia platyglossa H. M. Hall 1902-4-1 2887 Riverside Coahuilla Comment
  UC828957  Layia platyglossa P. A. Munz and I. M. Johnston 1922-5-20 5453 Riverside 2 mi below Kenworthy; San Jacinto Mountains 1402 Comment
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Mar 25 2011
  POM4843  Layia platyglossa subsp. campestris H. M. Hall 1902-04 2758 Riverside Vicinity of Winchester 427 Comment
  CAS-BOT-BC534384  Lemna gibba G. R. Kleeberger 1878-12-29 s.n. Riverside Temescal Comment
  SD114969  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide; Santa Ana Mountains. Comment
  CLARK-A1045-126  Lepidium dictyotum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA766606  Lepidium lasiocarpum Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-22 164 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UCR216444  Lepidium latifolium Nolan M. Ung 2008-5-20 030 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  RSA573018  Lepidium nitidum Steve Boyd 1986-3-9 1386 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA67347  Lepidium nitidum F. W. Peirson 1918-03 2327 Riverside Whitewater Grade, NW corner of Colorado Desert. Comment
  UC1929468  Lepidium virginicum subsp. menziesii Scott D. White 2001-4-13 8320 Riverside BADLANDS: County Landfill area north Moreno Valley. About 1/4 air mi NW of the SR-60 freeway jtn with Gilman Springs Rd. Comment
  CLARK-A1045-78  Lepidium virginicum var. pubescens George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains Idyllwild 15'Q Comment
  POM139  Lepidium virginicum var. pubescens Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA282777  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 2015 Riverside Along Thomas Mtn Rd at 5450 feet, south of Lake Hemet, west of Hwy 74. 1662 Comment
  RSA544286  Lepidium virginicum var. pubescens Steve Boyd, Timothy S. Ross 1991-6-14 6361 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 Spings. Comment
  SD262251  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 62 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 392 Comment
  UCR258873  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7909 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  UCR266679  Lepidium virginicum var. robinsonii D. E. Bramlet, Ileene Anderson 2005-4-18 3806 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  UCR97507  Lepidium virginicum var. robinsonii A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19881 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA575857  Lepidospartum squamatum Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UCR113242  Leptochloa filiformis Mitch Provance 2000-9-11 2242 Riverside Jurupa Hills, Sunnyslope, 0.4 miles NW of Armstrong Rd. on Sierra Blvd. 305 Comment
  RSA588597  Leptochloa fusca subsp. uninervia D. L. Banks, Steve Boyd 1995-10-17 808 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  SEINET3005063  Leptochloa uninervia G. Rink 2011-4-30 10501 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA407735  Leptosiphon androsaceus Steve Boyd 1986-5-1 1802 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA359855  Leptosiphon androsaceus Steve Boyd 1986-4-2 1631 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SBBG25243  Leptosiphon chrysanthus subsp. chrysanthus Leota Davidson 1965-5-15 154 Riverside Joshua Tree Nat Monument Comment
  CAS-BOT-BC227046  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  RSA500182  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3537 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM17544  Leptosiphon pygmaeus subsp. pygmaeus H. Baer 1923-5-6 s.n. Riverside 1 mile east of Alberhill Comment
  UCR107388  Lessingia filaginifolia B. G. Pitzer 1997-3-23 2969 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR219982  Lessingia filaginifolia A. C. Sanders, D. L. Sanders 2010-11-28 38703 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR220005  Lessingia filaginifolia A. C. Sanders 2010-11-18 38690 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR231200  Lessingia filaginifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39931 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  RSA599107  Leymus condensatus V. W. Steinmann 1996-4-13 832 Riverside East of Route 15, east of Temescal Canyon Road, northwest of junction with India Truck Trail 350 Comment
  UCR224368  Limonium duriusculum Justin M. Wood 2010-5-19 1843 Riverside Santa Ana Canyon, Santa Ana River, c. 1.4 mi downstream of Prado dam outlet, just northwest of Green River Housing Estate 131 Comment
  UCR163347  Limonium ramosissimum Kelly Volansky 2005-10-27 s.n. Riverside Santa Ana Mtns. Foothills/Santa Ana River Valley, Corona, Green River Rd., south of 91 Fwy near Serfas Club Rd., directly across from Prado View Elementary School 274 Comment
  UCR115943  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  POM13146  Limosella aquatica Philip A. Munz, I. M. Johnston 1922-5-19 5430 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR22022  Linanthus androsaceus Steve Boyd 1980-5-20 291 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  RSA0019477  Linanthus arenicola J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24385 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  LA206675  Linanthus californicus Elizabeth McClintock; J. Fenley 1937-7-10 sn Riverside San Jacinto Mountains, between Hidden Lake and Round Valley Comment
  POM128362  Linanthus californicus Thos. Craig 1927-4-23 207 Riverside Glen Ivy. Comment
  RSA652615  Linanthus californicus T. Sargent 1959-5-17 s.n. Riverside Ontario-Corona Road, west of Prado Dam Comment
  CLARK-A1528-3470  Linanthus dianthiflorus John C. Roos 1937-4-10 1392 Riverside Norco Comment
  SBBG101706  Linanthus dianthiflorus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6081 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  UCR24233  Linanthus dianthiflorus John C. Roos 1952-4-13 5529 Riverside Box Springs Mtns 488 Comment
  POM13324  Linanthus floribundus subsp. hallii E. C. Jaeger 1921-4-10 1088 Riverside Santa Rosa Mountains, Rockhouse Canyon Comment
  UCR25033  Linanthus lemmonii A. C. Sanders 1980-7-22 1736 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  CLARK-A1528-3476  Linanthus liniflorus John C. Roos 1937-5-27 Riverside Reche Canyon Comment
  UC1595629  Linanthus liniflorus Steve Boyd and Dave Bramlet 1991-5-13 6253 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s end of Warren Rd); Domenigoni Hills 548 Comment
  RSA468523  Linanthus pungens Robert Kessler 1920-7-4 17044 Riverside Mount San Jacinto. Comment
  UCR57229  Linanthus pygmaeus Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UCR171954  Linaria canadensis 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
  RSA741082  Linaria pinifolia Justin M. Wood 2008-11-17 229 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA91380  Linum lewisii F. W. Peirson 1922-5-20 3036 Riverside North side of Hemet Valley, San Jacinto Mts. 1372 Comment
  RSA586107  Loeflingia squarrosa var. squarrosa D. L. Banks, Steve Boyd 1995-4-5 0147 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, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  JOTR33965  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2851 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
  UC880238  Loeseliastrum matthewsii C. L. Hitchcock 1940-4-4 5948 Riverside Pinto Basin Comment
  UCR54309  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
  UCR230195  Lolium perenne subsp. perenne A. C. Sanders, T. B. Salvato 2011-4-29 39358 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  POM14441  Lolium temulentum P. A. Munz, Johnston 1922-5-19 5383 Riverside 8 miles NE of Murietta. 412 Comment
  RSA751634  Lomatium dasycarpum subsp. dasycarpum G. Gust, L. Nye 2005-3-11 548 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC1375402  Lomatium mohavense Louis B. Ziegler 1969-5-7 Riverside lower slopes of hills about Hemet Valley, near Kenworthy Ranger Station San Jacinto Mountains 1447 Comment
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Mar 25 2011
  RSA192213  Lomatium vaginatum E. W. Lathrop 1960-3-11 4655 Riverside 5 miles west of Murrieta. Comment
  RSA574734  Lomatium vaginatum Steve Boyd 1981-3-16 s.n. Riverside Gavilan Hills region, summit of Estelle Mountain. 823 Comment
  CAS-BOT-BC240674  Lonicera interrupta Peter H. Raven 1958-5-17 12950 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  JEPS24429  Lonicera subspicata var. denudata Peter M. Ray 1949-12-26 1582 Riverside at summit or road from Hemet; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  SDSU2923  Lonicera subspicata var. denudata H. Wedberg 1962-7-29 981 Riverside About 7 miles from hemet on the road to Mountain Center, opposite the 2000' sign. 610 Comment
  JEPS55418  Lotus argophyllus W. L. Jepson 1901-5-20 1331 Riverside Thomas Valley to Van Deventer Ranch Comment
  RSA450197  Lotus heermannii J. C. Roos 1952-6-13 5768 Riverside Pigeon Pass. 427 Comment
  RSA757447  Lotus heermannii Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55226 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UCR141333  Lotus heermannii var. heermannii R. F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38113 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  POM122396  Lotus oblongifolius Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  JOTR30145  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
  UCR175067  Lotus salsuginosus Teresa Nieto 2005-4-24 12 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA775494  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4412 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
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  RSA717619  Lotus strigosus Scott D. White, Andrea Warniment 2006-3-22 11272 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 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
  RSA444319  Lotus tomentellus Walter Wisura 1988-3-1 4188 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  UCR20758  Lotus tomentellus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1294 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  HSC92616  Lotus unifoliolatus var. unifoliolatus F. C. Vasek 1964-7-19 6407193 Riverside At Pine Cove, NW of Idyllwild Comment
  POM1928  Lotus wrangelianus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA501009  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3128 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
  RSA543902  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  UC1537085  Lotus wrangelianus Gordon H. True Jr. 1935-4-5 215 Riverside Gavilan Peak Gavilan Hills 731 Comment
  RSA797245  Lupinus Robert F. Thorne, Walter Wisura 1977-9-17 50783 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  CLARK-A1528-490  Lupinus albifrons Conrad Bahre 1970-4-30 Riverside San Jacinto Mountains 1523 Comment
  POM349937  Lupinus arizonicus Robert L. Dressler 1949-3-19 430 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  SBBG3535  Lupinus arizonicus H. and M. Dearing 1939-12-31 4063 Riverside near NE end of Salton Sea Comment
  SD48478  Lupinus arizonicus E. K. Balls, P. C. Everett 1958-3-20 22937 Riverside South base of Eagle Mountains, US Hwy 60/70 366 Comment
  SEINET2062842  Lupinus arizonicus George Helmkamp 1995-3-16 Riverside Coxcomb Mts, W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  UCR104025  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-2-5 2678 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR90333  Lupinus arizonicus Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA556436  Lupinus bicolor Julie Greene 1993-4-17 1192 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
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Dec 11 2008
  RSA744304  Lupinus bicolor M. Wall 2009-3-27 499 -E Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  RSA792468  Lupinus bicolor Justin M. Wood 2011-4-4 3403 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR117219  Lupinus bicolor B. G. Pitzer 2000-4-20 4124 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR122536  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2001-5-20 6662 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR228740  Lupinus bicolor A. C. Sanders, T. B. Salvato 2011-3-28 38815 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  POM350061  Lupinus bicolor subsp. microphyllus Christopher Davidson, B. Gustafson 1977-4-7 5580 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
  UCR49221  Lupinus bicolor subsp. microphyllus Steve Boyd 1986-4-2 1599 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA407125  Lupinus chamissonis Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  HSC85275  Lupinus concinnus Steve Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mtn. Comment
  UCR162840  Lupinus concinnus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA619245  Lupinus concinnus subsp. optatus R. S. Woglum 1937-5-22 565 B Riverside Santa Rosa Mountains. Comment
  RSA192126  Lupinus concinnus var. concinnus E. W. Lathrop 1959-4-17 4476 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  CAS-BOT-BC216688  Lupinus excubitus subsp. hallii Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA633872  Lupinus excubitus var. austromontanus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38129 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SFV20142  Lupinus excubitus var. austromontanus J. N. Hogue, J. M. Wrublik 2000-5-30 153 .2 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  UC1542859  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-15 7139 Riverside 5.9 miles southeast of Junction of Idlewild Road and Highway 74 on 74. 1341 Comment
  UCSB3263  Lupinus formosus Jacobson, A. 1959-5-17 Riverside On roadside of Hwy. 74; 20 mi. south of Idyllwild; San Jacinto Mtns. 1310 Comment
  UCR23946  Lupinus formosus var. hyacinthinus John C. Roos 1937-8-18 1222 Riverside San Jacinto Mtns, Round Valley 2805 Comment
  UCR107709  Lupinus hirsutissimus A. C. Sanders 1997-3-1 19736 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  POM259203  Lupinus latifolius subsp. parishii Philip A. Munz 1938-8-14 15344 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA17564  Lupinus latifolius subsp. parishii Carl B. Wolf 1936-6-17 7954 Riverside Santa Ana Mts, along Ortega Hwy, San Juan Canyon, 2.6 miles east of Orange County 457 Comment
  RSA591824  Lupinus latifolius subsp. parishii E. W. Lathrop 1966-5-29 6394 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  RSA413761  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  JOTR30981  Lupinus sparsiflorus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1958 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  JOTR34361  Lupinus sparsiflorus Andre, Jim 2012-4-16 20876 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA620640  Lupinus sparsiflorus B. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3585 Riverside San Bernardino Mountains: Wildlands Conservancys Mission Creek Preserve. 762 Comment
  RSA776231  Lupinus sparsiflorus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 873 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCR18665  Lupinus sparsiflorus Colin Wainwright 1977-3-28 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Spring area, Little Chuckwalla Mtns 610 Comment
  UCR48415  Lupinus sparsiflorus Steve Boyd 1986-4-22 1747 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA414277  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson 1973-4-19 1992 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA485409  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd 1987-4-5 1968 Riverside Gavilan Hills - Harford Spring County Park in sandy valley at N end of park. 609 Comment
  POM98002  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  POM10112  Lupinus sparsiflorus var. inopinatus H. M. Hall 1904-05 4946 Riverside Fairmount Park. Comment
  CDA27590  Lupinus succulentus McLane Riverside Highway between Riverside & Beaumont. 0 Comment
  RSA496376  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3051 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  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
  POM179064  Lycium andersonii R. H. Peebles, H. F. Loomis 1930-4-6 139 -C Riverside Munsen Canyon, Eagle Mts. Corollas Desert. Comment
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Jul 5 2010
  POM259735  Lycium andersonii E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA0094881  Lycium andersonii Jim M. Andre 2012-4-11 20682 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 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
  SBBG87838  Lycium andersonii A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6094 Riverside wash below Corn Spring, Chuckwalla Mtns 487 Comment
  POM184722  Lycium andersonii var. deserticola C. Leo Hitchcock 1932-4-7 12209 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  RSA428851  Lycium cooperi Jack Rempel 1935-4-14 20416 Riverside Near Cottonwood Springs. Mohave Desert. Comment
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Jun 10 2012
  RSA775918  Lycium torreyi Duncan S. Bell, Amanda Turek 2010-4-10 812 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR117380  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24387 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  RSA645537  Machaeranthera asteroides var. asteroides Scott D. White 1995-8-23 3589 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  RSA0107901  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Thomas Stoughton 2010-3-19 575 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  UC33263  Madia elegans H. M. Hall 1901-6 + 2662 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicinity of Strawberry Valley 1584 Comment
  RSA562441  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flat area, near Lucas Canyon Trail 762 Comment
  RSA775224  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4477 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
  SBBG8611  Malacothrix glabrata C. H. Muller 1952-4-6 9498 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
  UCD80954  Malacothrix glabrata Chuck Hughes 2009-3-23 61 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UC63861  Malvella leprosa H. M. Hall 1897-5-17 533 Riverside vicinity of Perris 457 Comment
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Feb 5 2013
  UCR59842  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  UCR41367  Marah macrocarpa N. M. Fellows 1985-3-3 86 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA619789  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  SD227668  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanada Ave. and the Tres Cerritos Hills 459 Comment
  UCR12617  Marsilea vestita K. H. Fisher 1968-5-14 10 Riverside Santa Ana Mountains, Murrieta, cattle reservoir 50 yards from Tenaja Rd & 8 mi from Washington St. 549 Comment
  SBBG100456  Matricaria discoidea W. L. Halvorson 1977-3-13 77 -179 Riverside near Temecula Comment
  UCR113041  Matricaria matricarioides Mitch Provance 1998-3-26 277 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  SD186095  Matricaria occidentalis A. C. Sanders 2003-5-9 26580 Riverside West of Hemet, west edge of Warren Road, just north of Highway 74. 456 Comment
  RSA206501  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  CLARK-A1528-2858  Medicago polymorpha John C. Roos 1952-4-9 5487 Riverside Fairmont Park Comment
  CSUSB1089  Medicago polymorpha Leland R. Dykes 1962-5-1 56 Riverside Santa Ana Mountains, San Mateo Canyon Road. 12.5 miles west of Palomar Road, Murrieta. Comment
  POM47674  Medicago sativa Mary F. Spencer 1920-3-17 1489 Riverside Colorado Desert, Alt 197ft below -60 Comment
  RSA403497  Melica imperfecta George R. Johnstone 1934-3-27 18578 Riverside Near Wildomar. Inland route to Temecula. Comment
  SD197629  Melica imperfecta Mike Misenhelter 2005-6-8 Riverside Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Highway 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1000 Comment
  UC618994  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon; Cleveland National Forest, Corona Quad. 762 Comment
  UC818873  Melica imperfecta P. A. Munz and I. M. Johnston 1922-5-21 5500 Riverside near Kenworthy (Hemet Valley); San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCR168613  Melica imperfecta T. B. Salvato, John F. Green 2004-5-27 579 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
  UCR178350  Melica imperfecta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1057 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR207514  Melica imperfecta O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  RSA0121382  Melilotus albus Duncan S. Bell, LeRoy Gross 2016-3-30 9140 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
  RSA736541  Melilotus indicus Scott D. White 2004-4-26 10262 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UC1979616  Melilotus indicus D. L Banks, Steve Boyd 1995-5-3 0188 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC1329998  Menodora scabra var. glabrescens James E. Cole 1941-5-30 839 Riverside Lost Horse Mine Road Joshua Tree National Monument 1432 Comment
  POM184640  Mentha aquatica Louis C. Wheeler 1932-9-4 1316 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  JOTR35486  Mentzelia albicaulis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3174 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA775102  Mentzelia albicaulis Duncan S. Bell, Michael Hee 2011-3-18 2051 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 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
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA784748  Mentzelia involucrata Duncan S. Bell 2012-2-12 3092 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CSUSB971  Mentzelia involucrata var. megalantha Bruce Freeman 1968-5-4 680504 5 Riverside Whitewater Canyon, 1 mile south of point where road crosses river. 487 Comment
  RSA4894  Mentzelia involucrata var. megalantha Carl B. Wolf 1932-4-27 3010 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD3178  Mentzelia laevicaulis Fidella G. Woodcock 1928-4-27 Riverside North grade near base of San Jacinto Mountain at San Jacinto Creek. Comment
  SD249696  Mentzelia longiloba J. M. Andre 2013-3-27 24811 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  POM259628  Mentzelia longiloba var. longiloba E. C. Jaeger 1939-12-12 s.n. Riverside Chuckawalla Spring, Riverside County. Alt 900ft 274 Comment
  RSA0126945  Mentzelia longiloba var. longiloba P. A. Munz, R. D. Harwood 1920-4-3 3580 Riverside Ford's Well west of Blythe. 305 Comment
  RSA561077  Mentzelia micrantha Steve Boyd, Orlando Mistretta 1992-4-22 7008 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UCR68853  Mentzelia micrantha Steve Boyd, T. S. Ross 1990-5-11 4707 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA771698  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4698 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65126 604 Comment
  CLARK-A1656-751  Micropus californicus Theo Glenn 1979-3-31 Riverside San Jacinto Mountains Comment
  UCR121642  Micropus californicus A. C. Sanders, Kent Beaman 2002-5-10 25052 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR85567  Microseris douglasii subsp. douglasii Julie A. Greene 1993-4-17 1203 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  RSA192187  Microseris douglasii subsp. platycarpha E. W. Lathrop 1959-4-16 4446 B Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  SD262201  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317 39 Riverside Temescal Valley: East side of Campbell Ranch Rd, A+-500 ft north of Indian Truck Trail (Alberhill 7.5'Q) 360 Comment
  UCR189588  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-10 084 Riverside Peninsular Range, Lake Elsinore, Alberhill. Just south of clay pits, 0.8 mi west of Walker Canyon road, near peak 484 Comment
  UCR246588  Microseris douglasii subsp. platycarpha A. C. Sanders 2012-3-22 39989 Riverside Peninsular Range; ElsinoreValley, Baker St., N edge of city of Lake Elsinore 412 Comment
  UCR180393  Microseris heterocarpa Mitch Provance 2003-4-26 9898 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CLARK-A1528-2179  Microseris lindleyi Charles Herrick 1974-5-16 Riverside 655 Comment
  POM306134  Microseris lindleyi Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1341 Riverside Santa Rosa Mountains. Comment
  UCR167977  Microseris lindleyi T. B. Salvato, John F. Green 2004-5-27 640 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
  UCD39068  Mimulus aurantiacus Beecher Crampton 1963-5-7 6781 Riverside 2 miles west Lakeland Village, Elsinore Mtns. Cleveland National Forest. 609 Comment
  POM8475  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2295 Riverside Butte west of Lakeview. 610 Comment
  POM8575B  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2284 Riverside Butte west of Lakeview. 610 Comment
  RSA442706  Mimulus aurantiacus var. puniceus Bonnie C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. Comment
  UC943923  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 B Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  UCR182375  Mimulus aurantiacus var. puniceus Andrea Salzman, Diane Menuz, Carlos Navarro, Ricky Escobar, Theresa Johnson, Angela Hyder 2006-3-21 18 Riverside Peninsular Range, Black Hills NE of Oak Mountain 793 Comment
  UCR133024  Mimulus bigelovii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  RSA420942  Mimulus bigelovii var. bigelovii Emery M. Whilton 1937-3-24 s.n. Riverside Taken in Coachella Valley. Comment
  JEPS9943  Mimulus brevipes W. L. Jepson and H. M. Hall 1901-5-17 1211 Riverside Riverside 265 Comment
  UCR133438  Mimulus brevipes Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 207 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR162274  Mimulus brevipes S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  CLARK-A1528-865  Mimulus guttatus C. M. Flanagan 1973-5-31 OO 622 Riverside Morongo Indian Reservation 1158 Comment
  LA209401  Mimulus guttatus L. Haines; L Eriekbon 1937-4-10 sn Riverside San Jacinto Mountains, Palms to Pines Hwy, 2 mi above valley Comment
  POM1  Mimulus guttatus C. F. Baker 1904-4-5 4142 Riverside Hemet Comment
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Mar 24 2011
  JEPS11354  Mimulus microphyllus W. L. Jepson 1901-5-22 1364 Riverside Palm Canyon, upper part Mt. San Jacinto region 914 Comment
  UC56261  Mimulus parishii F. Gilman 1902-1 18 Riverside Palm Springs Comment
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Jul 6 2010
  GMDRC6589  Mimulus pilosus J. M. Andre 2012-6-15 30553 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UCR113885  Mimulus pilosus Mitch Provance 2000-6-24 2041 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR183014  Mimulus pilosus Mitch Provance 2003-5-5 4423 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR202244  Mimulus pilosus 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
  UCSC000878  Mimulus pilosus Peter Kamb 1948-7-4 1174 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  POM158453  Minuartia douglasii P. A. Munz 1927-5-21 10876 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  UC8118  Minuartia douglasii H. M. Hall May, 1901 1925 Riverside Coahuilla Valley Comment
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  RSA450138  Mirabilis laevis var. crassifolia J. C. Roos 1966-9-20 s.n. Riverside San Jacinto. Comment
  HSC83099  Mirabilis laevis var. villosa A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6056 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns., on Bradshaw Rd., 2 mi. E of gasline road 642 Comment
  RSA777680  Mirabilis laevis var. villosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 980 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SBBG22926  Mirabilis laevis var. villosa D. Myrick 1965-3-4 1085 Riverside off Palms to Pines Hwy 74 914 Comment
  CLARK-A1528-4227  Mohavea confertiflora John C. Roos 1947-2-14 3252 Riverside Eagle Mountains Comment
  RSA408771  Mohavea confertiflora Martha Hilend 1928-3-11 92 Riverside Morongo Pass, Colorado Desert region. Comment
  UCSB17557  Mohavea confertiflora Winn, Will 1963-4-8 Riverside 29.2 mi. W of Desert Center on U.S. Highway 60-70 304 Comment
  RSA786959  Monardella lanceolata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  RSA401587A  Monardella lanceolata var. lanceolata M. B. Dunkle 1933-7-20 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC215455  Monardella linoides subsp. linoides Lewis S. Rose 1936-12-24 36812 Riverside Palms to Pines Highway, 24 mi. SW of Indio, San Jacinto Mts. 1066 Comment
  UC1995340  Monardella linoides subsp. linoides C. Epling Jun 1938 Riverside Pines to Palms Highway Comment
  UC1499872  Monardella nana Elizabeth McClintock 1940-7-21 26 Riverside Santa Rosa Mt. road, 1 mi above canyon and stream Comment
  SEINET10582211  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 51 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  IRVC2061  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-9 SJ 354 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1814 Comment
  RSA750286  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 94 Riverside Banning-Idyllwild road. 3/4 mile beyond Stone Creek. Comment
  SD67911  Monardella nana subsp. tenuiflora Reid Moran 1968-8-3 15354 Riverside Ridge 1 mile Northwest of Toro Peak, open northeast slope 2250 Comment
  UC104684  Monardella nana subsp. tenuiflora A. W. Anthony 1895-7-2 Riverside San Jacinto 2590 Comment
  UC1499817  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside trail to Hidden Lake (about 1 mi beyond the cienega); San Jacinto Mts. Comment
  UCR123190  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24615 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  UCR141351  Monolepis nuttalliana Chris E. True, Robert Cox 2004-4-22 s.n. Riverside San Jacinto Wildlife Area, 2 miles NNE of Lakeview Hot Springs and 1.8 mi. north of Ramona Expressway crossing of San Jacinto River, between pipeline and dirt road near center of sec. 31 439 Comment
  UCR228160  Monolepis nuttalliana Dave Silverman 2010-3-24 7830 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  POM363583  Monoptilon bellioides A. C. Life 1928-3-17 15744 Riverside Colorado Desert, Painted Canyon Comment
  CAS-BOT-BC275254  Muhlenbergia microsperma Rateaver 1944-2-21 59 Riverside Tahquitz Creek, Palm Springs Comment
  POM12032  Muhlenbergia microsperma Mary F. Spencer 1920-4-1 1537 Riverside In desert sand, Colorado Desert 122 Comment
  UC1159574  Muhlenbergia microsperma H. M. Hall 1902-4-26 2978 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  UCR260952  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  UCR85187  Muhlenbergia microsperma A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  RSA561420  Muhlenbergia rigens Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-9-9 7689 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR2566  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mtns., Herkey Creek camp 1341 Comment
  SBBG35235  Muilla maritima T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR116064  Muilla maritima O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR213303  Muilla maritima A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37697 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UC1532792  Myosurus minimus subsp. apus Robert F. Thorne, Earl Lathrop 1975-5-25 45564 Riverside Mesa de Burro Rancho; Santa Rosa Plateau 609 Comment
  CLARK-A1656-627  Nama demissa Lois Ann Scott 1978-4-18 Riverside Thermal Canyon 411 Comment
  RSA517829  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-13 1448 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC24130  Nama demissa var. demissa W. G. Wright 1889-1 1761 Riverside Colorado Desert Comment
  UCR139450  Nama hispida E. C. Jaeger 1922-4-9 720 Riverside Sonoran (Colorado) Desert, Wiley's Well, 20 mi SW of Blythe 183 Comment
  JEPS462  Nassella cernua E. Bartholomew Riverside Riverside Comment
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  RSA674968  Navarretia atractyloides Scott D. White, Teresa Salvato 2001-6-8 8578 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR174361  Navarretia atractyloides A. C. Sanders 2006-5-19 32405 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
  LA207124  Nemacaulis denudata var. gracilis H. L.; 1935-4-6 sn Riverside Palm Springs 152 Comment
  SEINET10623903 Image available Nemacaulis denudata var. gracilis Samuel B. Parish 1896-4-4 Parish 4140 Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mt. 152 Comment
  UCR245658  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  UC1979541  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  POM17809  Nemacladus pinnatifidus P. A. Munz 1923-6-14 7096 Riverside Glen Ivy Trail to Santiago Peak 1219 Comment
  UCR157883  Nemacladus rubescens A. C. Sanders, M. Skinner 1995-4-6 16396 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  SEINET10461130  Nemacladus rubescens Frank W. Peirson 1926-1-31 Peirson 6486 Riverside About 2 miles from above station on Mecca Road Comment
  JOTR36432  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3404 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA180507  Nemophila menziesii E. W. Lathrop 1959-3-26 4373 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  RSA421354  Nemophila menziesii M. B. Dunkle 1935-3-3 4341 Riverside San Juan Canyon. 762 Comment
  RSA606291  Nemophila menziesii Jon E. Keeley 1994-4-7 25291 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  RSA673727  Nemophila menziesii Scott D. White 2000-4-12 7644 Riverside Baldy Mtn. area. 1616 Comment
  UC24227  Nemophila menziesii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  POM312147  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA770697  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4803 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SEINET7063438  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UCD121389  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside San Bernardino Valley/upper Santa Ana River region: Corona, SW side of I-15, between Taber and Ontario Streets. 277 Comment
  POM8814  Nicotiana bigelovii var. wallacei Philip A. Munz, R. D. Harwood 1920-5-5 3833 Riverside Near Wineville 457 Comment
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Jun 11 2012
  SBBG6607  Nicotiana obtusifolia H. and M. Dearing 1936-12-26 1702 Riverside foot of grade Palms to Pines Hwy Comment
  UC56816  Nicotiana obtusifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1873 Riverside Palm Canyon Comment
  UCR178568  Nicotiana obtusifolia R. G. Swinney 1967-2-4 0010 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR116958  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato 2001-5-3 24111 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 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
  SD122667  Nolina parryi C. C. Parry Mar 1876 Riverside Rocky ridges near Whitewater Station in northern Colorado Desert. Photograph of specimen only. 239 Comment
  UCR152571  Nolina parryi James C. Dice 1985-6-13 617 Riverside Peninsular Range; San Jacinto Mtns., SE portion of Thomas Mountain, c. 4 km south of Kenworthy Station and community of Thomas Mountain 1525 Comment
  SBBG32470  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  CHSC109709  Nuttallanthus canadensis Scott D. White 2003-3-21 8797 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  SD148061  Nuttallanthus texanus Andy C. Sanders, M. Provance, T. B. Salvato 2001-4-6 23958 Riverside Perris-Aguanga Basin Region: Temecula, Long Canyon area west of Del Rey Rd., hills on both side of gas pipeline route 366 Comment
  UCR244472  Oenothera californica Jim Andre 2012-4-16 20943 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  RSA596774  Oenothera californica subsp. californica D. L. Banks, K. D. Hedge 1996-5-16 1042 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  SEINET12193405  Oenothera deltoides W. L. Wagner, Mill, S. W. 1982-1 4558 Riverside 8.2 mi NW of I-10 at Desert Center along Hwy 177 Comment
  POM355585  Oenothera deltoides subsp. deltoides Glenn Shryoek 1928-3-17 s.n. Riverside Colorado Desert. Painted Canyon. Comment
  UC20440  Oenothera deltoides subsp. deltoides W. G. Wright 1889-3 1736 Riverside Colorado Desert Comment
  UCSB4446  Oenothera deltoides subsp. deltoides Atsatt, Pete 1958-3-22 Riverside 8 miles east of Shavers Summit on highway 60 & 70; Sandy Strech on N. side of Rd Comment
  UCR113977  Oenothera elata subsp. hookeri Mitch Provance 2000-6-24 2045 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA785414  Oenothera scapoidea Keith E. Hoffmaster 1935-3-31 568 Riverside Palm Springs Comment
  UCR148854  Oligomeris linifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  CDA7542  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Perris-Aguanga Basin region; Romoland, onramp to Hwy 215 from Hwy 74, just east of 215 Comment
  RSA689383  Oncosiphon piluliferum Scott D. White, Michael Honer 2003-6-17 9551 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR269228  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42001 Riverside Peninsular Range, along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. 401 Comment
  POM311527  Opuntia basilaris var. basilaris Lyman Benson 1963-6-20 16348 Riverside Wash just north of Banning-Banning Canyon. 854 Comment
  UC1313040  Opuntia basilaris var. basilaris Anne Harrison 1962-4-17 28 Riverside on Whitewater Canyon Rd 1/4 mi s; trout farm where road crosses Whitewater River (n of US Hwy 60) Comment
  SEINET3412073  Opuntia chlorotica Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-13 28530 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  SEINET10447236  Opuntia echinocarpa Billy Joe Cox 1975-4-23 Cox 4172 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  UCR42625  Opuntia littoralis A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6456 Riverside Peninsular Range, Juniper savannah along Cajalco Road on the south side of Lake Mathews, 1.8 mi west of junction with El Sobrante Road 457 Comment
  RSA285344B  Opuntia phaeacantha Lyman Benson 1955-12-6 15624 Riverside 3 miles east of Cabazon.US 99. Colorado Desert. 457 Comment
  RSA524207  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3502 Riverside Pauba Valley, Hwy 79 crossing of Temecula River (or Creek), 4.6 miles E of junction with road to Pala. 305 Comment
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Nov 28 2010
  SBBG122754  Orcuttia californica A. Parikh 1990-5-14 171 Riverside Santa Rosa Plateau Ecological Reserve, NE part of Mesa de Burro, S of Miller Cyn, 3.3 km SSW of Murrieta 593 Comment
  UC218069  Orcuttia californica P. A. Munz and I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 426 Comment
  UCR77563  Orcuttia californica Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6335 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  JEPS11649  Orobanche cooperi Marjorie D. Clary 1932-3-23 1679 Riverside 8 mi sw of Coachella (Colorado Desert, Santa Rosa Mountains); Colorado Desert, Santa Rosa Mountains 152 Comment
  RSA801949  Orobanche fasciculata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6160 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR121232  Orobanche fasciculata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2286 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA612685  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-29 1613 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
  POM12423A  Osmorhiza berteroi P. A. Munz 1922-9-6 6371 Riverside Round Valley, San Jacinto Mountains. 2713 Comment
  UCR92776  Osmorhiza brachypoda D. L. Banks, Steve Boyd 1995-3-30 0113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  POM13102  Oxytheca emarginata P. A. Munz, Johnston 1922-5-20 5495 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA279606  Oxytheca emarginata James L. Reveal, Barbara J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of Hwy 74 1829 Comment
  UC465835  Oxytheca trilobata F. M. Reed 1908-7-14 2555 Riverside ridge above Strawberry Valley; San Jacinto Mountains 1737 Comment
  UC51605  Palafoxia arida var. arida Jos. Burtt Davy 1902-4-2 8055 Riverside Salton Comment
  VVC1457  Palafoxia arida var. arida A. C. Sanders 1996-11-23 19655 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
  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
  UCR109512  Panicum urvilleanum Stan C. Spencer 1999-7-1 DEC 831 1 Riverside San Jacinto Valley, sandy bottom of San Jacinto River channel, about 100 m north of Main Street, eastern edge of San Jacinto 488 Comment
  UCR7750  Papaver californicum B. Freeman 1968-5-4 680504- 10 Riverside San Jacinto Mtns., Road from Banning to Idyllwild, c. 1 mi. NW of fork to Twin Pines Ranch. 1159 Comment
  SEINET8044077 Image available Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41551 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns.: opposite So. Cal. Edison Ivy Glen Substation, Temescal Valley at mouth of Mayhew Canyon, west of the I-15 crossing of Temescal Canyon Rd., north of massive minng operation, 0.6 km SE (101 degrees) of Temescal Fire Station. 329 Comment
  UCR115140  Parkinsonia florida Mitch Provance 2000-10-28 2270 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  SEINET10907017  Parkinsonia florida Billy Joe Cox 1975-6-26 Cox 4202 Riverside 1-3 km W, (ca 32 mi S of Blythe). 70 Comment
  UC2026451  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10049 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR100330  Pectis papposa var. papposa George K. Helmkamp 1997-11-1 2515 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA779010  Pectocarya heterocarpa Duncan S. Bell 2010-4-1 644 A Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UCR249666  Pectocarya heterocarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7304 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR33810  Pectocarya heterocarpa Sears 1978-3-16 826 Riverside Sonoran (Colorado) Desert, 2.5 mi NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns 270 Comment
  RSA689370  Pectocarya linearis Scott D. White 2001-4-19 8373 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR127338  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA593880  Pectocarya penicillata Steve Boyd, Dave Bramlet 1996-4-19 8620 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
  RSA613460  Pectocarya penicillata D. L. Banks, Victor Steinmann 1997-3-13 1432 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA676088  Pectocarya penicillata Scott D. White 2001-4-13 8323 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UC1228552  Pectocarya penicillata C. L. Hitchcock and C. V. Muhlick 1962-3-16 22142 Riverside ca 8 mi se Corona; Temescal Canyon Comment
  RSA678271  Pectocarya peninsularis Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1081 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  RSA728605  Pectocarya peninsularis Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1891 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  UCR84836  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA726537  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1429 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCD120139  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  UCR175238  Pectocarya platycarpa Jim Andre, T. La Doux 2006-4-11 6743 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR74399  Pectocarya platycarpa Theo Glenn 1992-3-31 92 16 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  POM305611  Pectocarya recurvata Henry J. Ramsey, Henry J. Ramsey 1937-2-26 906 Riverside Whitewater. Comment
  RSA799078  Pectocarya recurvata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCR67351  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4062 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  RSA523493  Pedicularis densiflora Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3953 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  RSA228803  Pellaea mucronata var. mucronata Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 612 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  RSA678882  Pennisetum setaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10451 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA658973  Pennisetum setaceum Viki Cruz 1983-5-8 14 Riverside Collected above the second waterfall at the base of the east facing slope of Magnesha Canyon, Santa Rosa Mtns. Comment
  CAS-BOT-BC227212  Pennisetum villosum T. B. Salvato 2000-8-22 020 Riverside Peninsular Range: Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  NY583867  Penstemon centranthifolius H. M. Hall 1901-6-24 2267 Riverside Slopes of Fuller's Ridge, west of main peak of Mount San Jacinto, between Squirrel Creek and Salisbury's, near Box Springs. Comment
  OBI32752  Penstemon centranthifolius E. W. Lathrop 1966-4-27 6211 Riverside Main Divide Truck Trl between El Carriso and San Mateo Cyn. Cleveland Natl Forest 1219 Comment
  RSA601102  Penstemon centranthifolius A. C. Sanders, J. Goetzen 1996-5-1 18137 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  UCR122741  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-4-24 3380 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  UC1018436  Penstemon clevelandii var. connatus Jim Warren 1952-4-26 Riverside Snow Creek Comment
  NY601201  Penstemon clevelandii var. mohavensis A. M. Alexander 1940-3-21 887 Riverside Barker Dam, 20 miles south of Twenty Nine Palms 1322.8 Comment
  SD90223  Penstemon heterophyllus var. australis Robert F. Thorne, E. Lathrop 1969-6-6 39333 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA0021074  Penstemon labrosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 635 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA402127  Penstemon labrosus M. B. Dunkle 1933-7-19 3671 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA0014855  Penstemon rostriflorus Philip A. Munz, I. M. Johnston 1924-7-27 8775 Riverside Dark Canyon, San Jacinto Mts. 2439 Comment
  UCR3236  Penstemon spectabilis Chuck Elliott 1964-5-5 s.n. Riverside 1 mi past end of Canyon Crest Rd. west in Riverside 305 Comment
  RSA96901  Penstemon spectabilis subsp. spectabilis R. M. Straw 1953-6-6 457 Riverside 0.4 mi. N of Fulmore Lake on Idylwild to Banning road. Comment
  LA203844  Pentachaeta aurea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  UCR148333  Peritoma arborea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  RSA0014462  Perityle emoryi Justin M. Wood, J. Miner 2010-4-29 1536 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA471854  Perityle emoryi Robert Gustafson, Gary D. Wallace 1982-5-19 2564 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA788979  Perityle emoryi Aaron C. Sedgwick, David Fraker 2012-3-28 27 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR256723  Perityle emoryi Duncan S. Bell 2011-12-30 3041 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
  JEPS41248  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep Canyon; Colorado Desert 335 Comment
  CAS-BOT-BC167767  Petalonyx thurberi S. B. Parish 1912-6-28 8121 Riverside Mesas near Mecca Comment
  RSA701155  Petalonyx thurberi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11257 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR86202  Petalonyx thurberi A. C. Sanders 1995-5-23 17117 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  SEINET8729191 Image available Petalonyx thurberi Lewis S. Rose 1938-1 38324 Riverside 6 mi. s. of Cathedral City. 46 Comment
  SBBG45342  Petalonyx thurberi subsp. thurberi M. A. Piehl 1963-9-18 63840 Riverside near US 60, 70, 7.5 mi W of jct with Joshua Tree Mon Rd 373 Comment
  SBBG69396  Petalonyx thurberi subsp. thurberi V. Duran 1933-7-3 3500 Riverside Deep Cyn 243 Comment
  UC65005  Petalonyx thurberi subsp. thurberi E. E. Schellenger 1904-10-15 48 Riverside Colorado Desert, Whitewater Wash Comment
  UC884703  Petunia parviflora Crawford and Johnston 1917-6-9 1230 Riverside near Corona (Santa Ana River); Santa Ana River Comment
  UCR92284  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2462 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  CLARK-A1528-277  Peucephyllum schottii Charlotte Stocks 1964-8-15 Riverside Coachella Valley Comment
  UCR200265  Peucephyllum schottii J. M. Porter, Orlando Mistretta 2003-6-5 13611 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  RSA428296  Phacelia L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  SDSU6597  Phacelia affinis H. Wedberg 1962-4-20 908 Riverside 1219 Comment
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Jan 24 2013
  POM14741  Phacelia ambigua F. W. Peirson 1922-4-11 s.n. Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  RSA0043368  Phacelia ambigua var. minutiflora Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17712 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  POM145252  Phacelia campanularia McFadden 1928-3-18 s.n. Riverside 15 miles E of Banning, Riverside county. Comment
  UCSB38663  Phacelia campanularia Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  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
  RSA357777  Phacelia campanularia subsp. vasiformis Robert F. Thorne, M. Z. Thorne 1973-3-30 42658 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SD181482  Phacelia crenulata J. Mark Porter, Valerie Soza, G. Wallace 2001-4-2 12344 Riverside Coachella Valley, ca. 1 mile east of Desert Hot Springs, Long Canyon, on west side of Long Canyon Road. Openings of fine gravel or coarse sandy soils, just above the wash in Long Canyon. 395 Comment
  UCR52007  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2101 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCSB46537  Phacelia crenulata var. crenulata Watts, Lisa 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 Comment
  RSA0119975  Phacelia crenulata var. minutiflora Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9092 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  RSA0119887  Phacelia cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-12 9217 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  RSA0120238  Phacelia curvipes Duncan S. Bell 2016-4-14 9279 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  JEPS2321  Phacelia distans W. L. Jepson 1939-4-17 19139 Riverside Elsinore Comment
  UCR20787  Phacelia distans A. C. Sanders, Steve Boyd 1980-5-2 1419 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR215521  Phacelia distans Daphne K. Christopher, Hannah I. Stevens 2003-4-6 104 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 540 Comment
  UCR241197  Phacelia distans Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 525 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA509553  Phacelia minor Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  RSA543757  Phacelia minor Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6057 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR261177  Phacelia minor A. C. Sanders, Katie Young, John Hale 2015-4-22 41603 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  GMDRC9803  Phacelia neglecta J. M. Andre 2017-3-1 38019 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA703744  Phacelia neglecta LeRoy Gross 2005-3-3 1564 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA428153  Phacelia parryi Lockheart Muchmore 1929-4-12 8354 Riverside Near Lake Elsinore. Comment
  UCR137359  Phacelia ramosissima John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  SEINET7048161  Phacelia ramosissima var. latifolia Steven R. Hill 2001-5-3 33662 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CLARK-A1656-680  Phacelia tanacetifolia Milton Walker 1978-3-3 Riverside La Quinta 30 Comment
  UCR196007  Phalaris caroliniana R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51994 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR237873  Phlox gracilis Mark A. Elvin 2003-3-26 2365 A Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  RSA559430  Pholistoma auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD181475  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  CAS-BOT-BC134985  Phoradendron bolleanum Del Wiens 1953-12-5 862 Riverside Vicinity of Hidden Valley, Joshua Tree Natl. Mon. San Bernardino or Riverside Co. Comment
  UCR169925  Phoradendron californicum A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29129 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR226494  Phoradendron californicum Jim Andre 2011-2-18 15823 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  CDA22382  Phoradendron macrophyllum R. L. McClain 1958-9-1 Riverside North end of Banning Heights. 0 Comment
  RSA271146  Phoradendron villosum C. W. Tilforth, John Dourley, Walter Wisura 1978-3-10 1505 Riverside About 1/2 mi. east of El Cariso Forest Station along Ortega Hiway(74). Comment
  SBBG56843  Phragmites australis R. H. Nordhoff 1940-11-10 Riverside Thousand Palms Cyn Comment
  CLARK-A1528-4356  Physalis acutifolia John C. Roos 1965-9-5 Riverside Blythe Comment
  JOTR34392  Physalis crassifolia Andre, Jim 2012-4-16 20919 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  SD230304  Physalis crassifolia V. W. Steinmann 1999-10-26 1414 Riverside Foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 324 Comment
  SEINET3078253 Image available Physalis crassifolia Barbara Gayle Pitzer 1998-1-24 3381 Riverside N foot of Chuckwalla Mtns, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR112113  Physalis crassifolia A. C. Sanders, T. B. Salvato 2000-4-21 23345 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  RSA0048541  Physalis crassifolia A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  RSA718292  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  JEPS8969  Physalis philadelphica Mr. McGraw 1904-1 Riverside Riverside Comment
  POM14865  Physalis pubescens var. grisea H. Baer 1749 Riverside streets of Elsinore. Comment
  JOTR32858  Physaria tenella La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. southeastern Hexie Mountains, near Smoke Tree Wash along Rte 11 Comment
  UCR279405  Physaria tenella A. C. Sanders, Jim Malusa 2017-3-25 43020 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
  OBI12762  Pickeringia montana var. montana H. E. McMinn 1937-3-6 5008 Riverside 1 mi E of Blythe Comment
Read comments
Jan 14 2016
  UCR77756  Pilularia americana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6348 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA698298  Pinus cembroides J. Vlahos 1934-6-3 s.n. Riverside Lower Transitions Zone or upper sonoran. Comment
Read comments
Dec 11 2011
  RSA5898  Pinus flexilis C. B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along the trail above Round Valley. 2927 Comment
  SEINET10530738  Pinus flexilis David B. Dunn 1946-8-17 Dunn 2711 Riverside Found on N side of Laquitz Peak. San Jacinto Mts. 2675 Comment
  SEINET7048006  Pinus jeffreyi Steven R. Hill, Kate Kramer and family 2001-4-26 33473 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  MACF014861  Pinus monophylla Dorothy L. Groninger 1964-12-5 21 Riverside Palms to Pines Highway 1219 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
  UC667392  Pinus monophylla Annie M. Alexander and Louise Kellogg 1941-5-21 2216 Riverside n slope Eagle Mountains; Colorado Desert, Eagle Mountains 1219 Comment
  UCSB9245  Pinus monophylla Wilson, Richard 1958-5-18 Riverside At pinon Flats on State highway 74 Comment
  LA6148  Pinus ponderosa Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley Comment
  CAS-BOT-BC72840  Pinus quadrifolia John Thomas Howell 1960-3-24 35150 Riverside Covered slopes on road to Anza just S. of Palms to Pines Hwy. Comment
  POM293252  Pinus quadrifolia Lyman Benson 1956-12-1 15706 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  SBBG56372  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside near Santa Rosa 1676 Comment
  RSA709443  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Colorado Desert: Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. 70 Comment
  RSA770725  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  SD239486  Pistia stratiotes Dave Goodward 2010-10-6 Riverside Sonoran (Colorado) Desert: Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. (Oasis 7.5'Q). Commercial fish production pond. -35 Comment
  RSA180325  Plagiobothrys acanthocarpus E. W. Lathrop 1959-4-16 4453 c Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  UCR266470  Plagiobothrys acanthocarpus Mitch Provance, Robin Kinmont 2015-3-27 315- 51 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  UC1347182  Plagiobothrys canescens Alice Eastwood and John Thomas Howell 1937-4-24 3917 Riverside above Elsinore; Summit of Santa Ana Mts. Comment
  UCR172214  Plagiobothrys canescens John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR180349  Plagiobothrys canescens Scott D. White, Angelia Carey 2004-4-5 10001 A Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC718552  Plagiobothrys collinus Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCD120788  Plagiobothrys collinus A. C. Sanders; Carolyn Washburn 2001-5-10 24232 Riverside Perris-Aguanga Basin: 1 mi. S of Winchester on the east side of Hwy 79 (Winchester Rd.) just S of Patton Ave. 488 Comment
  UCR214859  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37677 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
  RSA0050590  Plagiobothrys collinus var. californicus A. C. Sanders 2013-3-27 40684 Riverside Penninsular Range: Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  UCR114842  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-17 71 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  POM12986  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-19 5417 Riverside Hemet Valley, San Jacinto Mts. 1418 Comment
  RSA320538  Plagiobothrys fulvus var. campestris A. C. Sanders, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mts., 5 miles SW of Murrieta 610 Comment
Read comments
Mar 19 2010
  CLARK-A1528-340  Plagiobothrys nothofulvus unknown 1966-3-24 Riverside Pedley Comment
  RSA562053  Plagiobothrys nothofulvus Steve Boyd, Tim Ross 1992-4-1 6774 Riverside Alberhill Mountain, southwest flank on lower slopes just to east of strip-mined area 427 Comment
  SEINET7073468  Plagiobothrys nothofulvus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA339067  Plantago erecta Robert F. Thorne, C. W. Tilforth 1980-5-28 54243 -a Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA654617  Plantago erecta Starr Streight 1982-4-17 60 Riverside south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  UCR116400  Plantago erecta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24178 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR174319  Plantago erecta A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32553 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA0013144  Plantago major LeRoy Gross, Caitlin Elam 2013-5-14 6070 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
  JEPS22513  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6196 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  JOTR31954  Plantago ovata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2190 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  POM68906  Plantago ovata var. fastigiata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA402021A  Plantago ovata var. fastigiata Ora M. Clark 1929-2-23 1557 Riverside North of Whitewater Comment
  RSA402035  Plantago ovata var. fastigiata M. B. Dunkle 1932-3-25 2902 Riverside Near Cathedral Canyon 152 Comment
  SD215599  Plantago ovata var. insularis W. Wisura, J Dolan and M Wall 1992-3-24 4626 Riverside 7.7 miles northeast of Mecca on Box Canyon Road. Comment
  RSA761892  Plantago subnuda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 705 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS98073  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chico Canyon, near end of road to Tramway base San Jacinto Mountains 900 Comment
  UCR103734  Platystemon californicus A. C. Sanders, G. Helmkamp 1997-3-15 19985 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR220139  Platystemon californicus D. E. Bramlet 1990-4-27 1989 Riverside Peninsular Range; Perris-Aguanga basin region, tributary to Rawson Canyon, 700 ft. west of access road and 1000 ft. SW of Crown Valley 646 Comment
  JEPS5135  Plectritis ciliosa subsp. insignis C. V. Meyer June 1927 156 Riverside San Jacinto Mountain, Saunders Meadow Saunders Meadow; San Jacinto Mountain, Saunders Meadow Comment
  UC28847  Plectritis ciliosa subsp. insignis H. M. Hall May 1899 1126 Riverside San Jacinto Mountains, on Chalk Hill Chalk Hill; San Jacinto Mountains, Chalk Hill 1584 Comment
  RSA472097  Pleurocoronis pluriseta Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UC336756  Pleurocoronis pluriseta J. G. Lemmon Riverside Colorado Desert side of San Jacinto Peak San Jacinto Peak Comment
  UC63366  Pleurocoronis pluriseta H. M. Hall May 17 1901-Jun 1 1901 1871 Riverside Palm Canyon 457 Comment
  UC1523406  Pluchea sericea Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54092 Riverside ca 3.0 mi n Whitewater P.O. (along Whitewater River); San Bernardino Mts., Whitewater River 591 Comment
  UCR75543  Poa howellii A. C. Sanders 1993-4-30 13883 Riverside San Bernardino Mtns., along Butterfly Road, which joins Wildwood Canyon Road 0.4 mi. west of Oak Glen Road; between Cherry Valley and the Riverside County line 1100 Comment
  UCR202573  Poa pratensis Scott D. White, Justin M. Wood 2008-7-8 12389 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  POM263182  Poa pratensis J. C. Roos 1937-8-18 466 Riverside Round Valley, San Jacinto Mountains. Comment
  SEINET10523398  Poa pratensis David B. Dunn 1946-8-17 Dunn 2681 Riverside Grass near stream at camp in Taquity valley damp meadow area. Grass San Jacinto Mts. 2438 Comment
  CAS-BOT-BC237696  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 304 -21 Riverside On N side of Highway 74 Comment
  UCR243155  Poa secunda subsp. secunda LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4286 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  CAS-BOT-BC428031  Poaceae L. Nye; G. Gust 2005-3-11 59 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  CAS-BOT-BC167528  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-18 2195 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  UC1713682  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  UCR16524  Polygonum argyrocoleon John Dean 1965-4-15 s.n. Riverside Sonoran (Colorado) Desert, 0.5 miles south of McCoy Wash mouth 91 Comment
  UCR155815  Polygonum aviculare John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA180246  Polygonum aviculare subsp. aviculare E. W. Lathrop 1965-4-25 5676 Riverside 4 miles Sw of Murrieta. Comment
  RSA653320  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, about 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco. 191 Comment
  UC2026433  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 MILES NNE OF PALO VERDE: Avenue 32 & Rannells Blvd. Comment
  UCR155828  Polypogon monspeliensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR199630  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR202603  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  POM8771  Populus fremontii Philip A. Munz, R. D. Harwood 1920-2-28 3261 Riverside 2 mi. southeast of Corona 305 Comment
  JOTR35070  Porophyllum gracile La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3522 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA1556  Porophyllum gracile J. T. Howell 1928-7-10 1047 Riverside Hidden Canyon, Santa Ana Mts. 396 Comment
Read comments
Apr 24 2013
  RSA506841  Porophyllum gracile Steve Boyd 1985-7-23 s.n. Riverside De Luz Rd., 3.5 mi west of jtn with Tenaja Trail. Comment
  UC1287114  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside 20 mi sw of Blythe; Mule Mts. Comment
  UCR68618  Porophyllum gracile Steve Boyd, D. E. Bramlet 1990-4-29 4485 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  UCR94922  Portulaca oleracea Scott D. White 1996-9-22 4534 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  JOTR35171  Potamogeton foliosus subsp. foliosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3274 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
  RSA336203  Potamogeton pusillus Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51988 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR201672  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 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
  CAS-BOT-BC356220  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 1066 Comment
  CAS-BOT-BC206976  Prosopis glandulosa var. torreyana Geo. B. Grant 1906-5-1 1043 -6721 Riverside Colorado Desert at Palm Srpings Comment
  CAS-BOT-BC206984  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  RSA33856  Prosopis glandulosa var. torreyana N. C. Cooper 1944-4-8 1088 Riverside Andreas Canyon. 305 Comment
  UCSB7194  Prosopis glandulosa var. torreyana Krogen, Roger 1957-1 Riverside Canyon bottom 5 mi. E of Mecca on Hwy. 195 in Box Canyon Wash Comment
  SBBG68566  Prosopis pubescens M. D. Clary 1931-1 1242 Riverside Colorado Desert -13 Comment
  LA208073  Prunus emarginata W. B. Welch; 1928-5-5 Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  JEPS44624  Prunus fasciculata W. L. Jepson 1901-5-22 1344 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  CAS-BOT-BC158291  Prunus fasciculata var. fasciculata C. L. Hitchcock 1940-4-2 5916 Riverside Cottonwood Spring wash, Joshua Tree Nat. Monument Comment
  CAS-BOT-BC154439  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area where Alberhill Creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan HIlls Comment
  RSA543203  Prunus ilicifolia Steve D. Boyd 1991-3-17 5482 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR49245  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA611287  Prunus virginiana var. demissa C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  CLARK-A1528-285  Psathyrotes ramosissima Markell Kohn 1959-2-3 Riverside Desert Center Comment
  UCR241715  Psathyrotes ramosissima Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 56 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR33597  Psathyrotes ramosissima Sears 1978-3-18 940 Riverside Sonoran (Colorado) Desert, Corn Springs wash at Corn Spring. 7 mi SE of Desert Center in wash 473 Comment
  RSA648064  Pseudognaphalium biolettii Bruce Albert 1982-4-17 68 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  SDSU12871  Pseudognaphalium biolettii Jill J. Steinberg, Janet Knotts & Kevin Contreras 1998-3-25 25 Riverside A few feet from switchback in raod from Santa Margarita (SDSU) Field Station trailer leading dow n into Santa Margarita River Gorge, north of river. 256 Comment
  CAS-BOT-BC356792  Pseudognaphalium californicum Peter H. Raven 1958-5-17 12953 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA0124289  Pseudognaphalium canescens Duncan S. Bell 2016-4-16 9330 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA674934  Pseudognaphalium stramineum Scott D. White 2000-5-30 7970 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El Centro Rd jtn. Adv to new housing construction. Alluvial terraces with steep, incised channels. 335 Comment
  SD37586  Psilocarphus brevissimus Edith A. Purer 1936-4-6 6880 Riverside South of Elsinore Comment
  UCR67301  Psilocarphus brevissimus var. brevissimus A. C. Sanders, E. Rey, D. Willick 1991-4-19 10922 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  CAS-BOT-BC353643  Psorothamnus emoryi E. R. Johnson 1928-6-8 s.n Riverside along highway south of Mecca, west side of Salton Sea Comment
  POM128971  Psorothamnus emoryi E. E. Schellenger 10 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  UC555345  Psorothamnus emoryi Margaret Stason 1927-3-12 Riverside Thousand Palms , Thousand Palms (Colorado Desert) Comment
  CAS-BOT-BC340871  Psorothamnus schottii L. R. Abrams 1926-3-26 11066 Riverside Palm Springs to Palm Canyon Comment
  JEPS41679  Psorothamnus schottii W. L. Jepson 1914-5-22 6040 Riverside near Indio (Thousand Palms Canyon, Colorado Desert); Colorado Desert, Thousand Palms Canyon, nr Indio Comment
  RSA655225  Psorothamnus schottii Scott D. White 1999-10-19 7626 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  UCR126437  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
  UCR89662  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  UCSB18654  Psorothamnus schottii Gerhart, Janet 1963-4-6 Riverside Coachella Canal-siphon 22, 5 miles southeast of intersection of Salt Creek Wash Road Comment
  UCSB9704  Psorothamnus schottii Krogen, Roger 1957-1 Riverside Along roadside of Hwy. 195, 10 mi. E of Mecca Comment
  JOTR32401  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  UC472709  Psorothamnus spinosus M. F. Spencer 1918-3-27 Riverside Palm Springs , Palm Springs (Colorado Desert) 100 Comment
  UC729515  Pteridium aquilinum var. pubescens Carl B. Wolf 1932-5-25 3664 Riverside mouth of e fork of Snow Creek Canyon; n base San Jacinto Mts 670 Comment
  CLARK-A1045-118  Pterostegia drymarioides George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  HSC82996  Pterostegia drymarioides N. M. Fellows, A. C. Sanders 1985-4-9 125 Riverside Oasis de los Osos TNC Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., 1 mi. W of Snow Creek Village 489 Comment
  RSA770855  Pterostegia drymarioides Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4933 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
  UCR104927  Pterostegia drymarioides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20630 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  UCR58875  Pulicaria paludosa J. M. Stewart 1989-10-20 620 Riverside Santa Rosa Mtns, Carrizo Creek Canyon, c. 1 mi south of Hwy 74 Comment
  RSA304833  Purshia tridentata var. glandulosa James R. Shevock 1971-5-8 1044 Riverside Near Skull Rock, Joshua Tree National Monument. 1311 Comment
  RSA0081612  Pyrola aphylla P. A. Munz 1938-8-14 15370 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2378 Comment
  UCR169248  Quercus X acutidens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 09- 73 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  UCD47065  Quercus X munzii Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
  CLARK-A1528-4984  Quercus agrifolia J. B. Feudge 1930-4-4 2134 Riverside 701 Comment
  UCR158902  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31555 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  LA46615  Quercus berberidifolia W. Pequegnat; 1939-4-8 37 Riverside Santa Ana Mountains Comment
  SD229166  Quercus berberidifolia Dick Schwenkmeyer 2012-3-26 658 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCR108845  Quercus berberidifolia Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR273037  Quercus berberidifolia Mitch Provance 2012-1-25 17381 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  SACT002624  Quercus chrysolepis A. Delisle 1961-6-25 Riverside Moist slope mostly in cooler areas. Comment
  RSA786539  Quercus engelmannii C. P. Cowan 1978-4-25 1287 -B Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  SEINET2066432 Image available Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats area, Santa Rosa Mountians, along Horsethief Creek where the trail from the Dolomite Mine crosses. 1100 Comment
  CAS-BOT-BC104317  Quercus palmeri A. C. Sanders; Steve Boyd; Mitch Provance; J. Ross 1998-10-25 22278 Riverside San Jacinto Mtns: Pine Meadow along Hwy 74 in Garner Valley (eastern), 2.7 mi NW of Hwy 371 junction, 0.8 mi NW of Devil's Ladder Rd. 1402 Comment
  SD260965  Quercus wislizeni Mitch Provance 2010-7-6 610 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 751 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
  RSA60418  Quercus wislizeni var. frutescens Frank W. Gould 1943-4-18 2136 Riverside 8 miles east [NW] of Idyllwild Comment
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Sep 29 2011
  RSA220971  Rafinesquia californica E. W. Lathrop 1966-5-8 6405 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  UCR104018  Rafinesquia neomexicana George K. Helmkamp 1998-4-4 3141 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  LA207824  Rhamnus crocea subsp. ilicifolia W. E. Pequegnat; 1939-4-8 19 Riverside Santa Ana Mountains Comment
  SBBG27372  Rhamnus ilicifolia P. C. Everett 1935-6-18 Riverside Coldwater Cyn Trail ca. 1.5 mi below (N) main divide motorway 1280 Comment
  UCR125993  Rhamnus ilicifolia Dave Goodward 2003-1-31 s.n. Riverside Box Springs Mountains, canyon SW of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump 427 Comment
  UCR92192  Rhamnus ilicifolia D. L. Banks, Steve Boyd 1995-3-16 0096 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  RSA802096  Rhododendron occidentale Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4983 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  UCR169494  Rhus aromatica T. B. Salvato, John F. Green 2004-5-27 593 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
  IRVC87  Rhus ovata L. Lewton 1965-4-24 s.n. Riverside Elsinore; 0.5 mile SW Jct of Grand and Highway 74. Southern Coastal Comment
  RSA648294  Rhus ovata Mark Hotchkiss 1977-4-23 s.n. Riverside Approx. 5 mi. S. of Baning on R 1. 914 Comment
  RSA736736  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SD144093  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  RSA543125  Rhus trilobata Steve Boyd 1991-3-17 5473 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD216460  Rhus trilobata Jay B. Walker 1995-5-4 1412 Riverside San Bernardino National Forest. 1 kilometer South of Pinyon Flat campground. 1299 Comment
  RSA221024  Rhus trilobata var. anisophylla E. W. Lathrop 1966-3-30 6130 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  RSA263745  Ribes amarum E. W. Lathrop 1968-5-22 6911 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
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Sep 15 2010
  RSA522733  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3839 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
  RSA0021662  Ribes malvaceum Justin M. Wood 2009-3-10 346 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SD148073  Ribes malvaceum var. malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road. 671 Comment
  CAS-BOT-BC212609  Ribes montigenum Mrs. C. M. Wilder 1909-6-12 946 Riverside Round Valley, San Jacinto Mountains Comment
  UC455588  Ribes montigenum I. J. Condit 1910-6-23 Riverside summit San Jacinto Mt. 3291 Comment
  RSA0022091  Ribes montigenum J. C. Roos 1963-9-8 s.n. Riverside Round Valley, San Jacinto Mts. 2774 Comment
  CAS-BOT-BC219233  Ribes nevadense Nancy Ryan Zabriskie; Walter Zabriskie 1971-5-16 406 Riverside Beside Banning Road below Pine Cove, W slope San Jacinto Mountains 1524 Comment
  UCR35280  Ribes nevadense L. B. Ziegler 1970-5-20 401 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UCR96796  Ribes quercetorum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19766 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  SD239844  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: hills between I-15 and Temescal Canyon Rd., 0.22 km south (178a^z) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake. 324 Comment
  SD132413  Romneya coulteri var. coulteri Narca A. Moore-Craig 1984-4-21 Riverside Santa Ana Mtns. Temescal Canyon at boundary of Cleveland Natl. Forest and Glen. 427 Comment
  CDA36186  Romneya trichocalyx A. C. Sanders 2010-5-19 38414 Riverside Riverside West 7.5; Peninsular Range/San Bernardino Valley Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. Comment
  UCR188225  Rosa californica Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1698 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  POM366416  Rubus parviflorus H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  UCR158322  Rumex crispus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30065 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SEINET3245820  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37695 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1.2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 363 Comment
  UC850653  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1935-8-21 6601 Riverside Fuller Creek 1500 Comment
  RSA19551  Salazaria mexicana Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon. Comment
  RSA26966  Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA38271  Salazaria mexicana P. A. Munz 1946-10-20 11576 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. Comment
  UC1281086  Salazaria mexicana H. E. McMinn 1935-6-27 4060 Riverside Palms to Pines Highway Comment
  UC483065  Salix exigua F. R. Fosberg 1932-3-13 8077 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  SDSU13385  Salix exigua var. hindsiana Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 12 Riverside Santa Margarita Ecological Reserve (SDSU). 0.5 miles SW of the North Field Station. 238 Comment
  UC506446  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-19 7677 Riverside Comment
  UC537090  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n of Elsinore 304 Comment
  RSA512129  Salix gooddingii 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
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Aug 27 2010
  RSA0038292  Salix hindsiana H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  HSC82747  Salix laevigata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54101 Riverside Flood Plain along Whitewater River, 3 mi. N of Whitewater Post Office. 591 Comment
  SEINET272290  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  UC717266  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UC64012  Salix lasiolepis H. M. Hall 1901-6-1 2350 Riverside Tahquitz Valley San Jacinto Mountains 2438 Comment
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Sep 2 2011
  UCR45119  Salsola paulsenii L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA0095113  Saltugilia australis Verne Grant 1955-5-17 9596 Riverside On crest of Santa Ana Mts near Hwy 74. 811 Comment
  UC667330 Image available Saltugilia latimeri Annie M. Alexander and Louise Kellogg 1941-5-4 2114 Riverside Joshua Tree National Monument Comment
  RSA0019791  Salvia apiana April Garbat, Kristin Forgrave, Naomi S. Fraga, Tyler Schappe 2013-5-21 72 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  RSA411318  Salvia apiana N. R. Zabriskie, Walter Zabriskie 1972-4-9 508 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  RSA770679  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4756 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65124 604 Comment
  SEINET269559  Salvia apiana Scott D. White 1996-5-27 4070 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  POM229031  Salvia apiana var. compacta P. A. Munz 1937-5-29 15153 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  UCLA55169  Salvia apiana var. compacta C. Epling and L. Haines 1937-5-7 Riverside 1 mi below Shumway Rd.; Palms to Pines Highway Comment
  UCR76077  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside, Mt. Rubidoux, near Peace Arch Comment
  UCLA70112  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon 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
  RSA197274  Salvia columbariae L. B. Ziegler 1965-11-10 s.n. Riverside Along a road about one mile N of Kenworth Ranger Station, Hemet Valley. 1524 Comment
  RSA396472  Salvia columbariae Walter Wisura 1987-5-21 4150 Riverside 4.6 miles from Hwy 243 along old Idyllwild rd. Comment
  UCR269870  Salvia columbariae A. C. Sanders, Jim Malusa 2016-3-18 42368 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB12037  Salvia eremostachya Dearing, Hugh; Dearing, Margaret 1942-3-29 Riverside Dos Palmas Spring; Palms to Pines Highway Comment
  CAS-BOT-BC229982  Salvia mellifera D. A. Johansen; J. A. Ewan 1932-4-10 7050 Riverside Cabezon, San Gorgonio Pass 487 Comment
  SEINET13947547 Image available Salvia mellifera S. Lambert 1981-1 1931 Riverside San Bernadino National Forest, along hwy 74 9.4 mi W of mountain Center, 2200 ft alt. 671 Comment
  JEPS62774  Salvia pachyphylla Carl V. Meyer 1928-7-27 568 Riverside Hidden Lake Trail; Tahquitz Valley 2438 Comment
  UCR26782  Salvia reflexa A. C. Sanders 1982-5-14 2448 Riverside Riverside, residential garden, 422 Campus View Drive 305 Comment
  CAS-BOT-BC233329  Salvia vaseyi Alice Eastwood 1913-4-30 3083 Riverside Palm Springs Comment
  RSA82388  Salvia vaseyi F. W. Peirson 1933-4-13 10635 Riverside Deep Canyon to Santa Rosa Mts. road 488 Comment
  SD49856  Salvia vaseyi Peter H. Raven 1958-5-6 12929 Riverside San Jacinto Mountains: Southwest of Palm Desert 10.2 miles on State Highway 74 762 Comment
  UCR88432  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-5 16346 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA556504  Sambucus mexicana Julie Greene 1993-4-3 1083 Riverside [Unspecified] 440 Comment
  UCR138914  Sambucus mexicana Julie A. Greene 1993-4-3 1083 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Old agricultural field, east of dirt road 441 Comment
  RSA781360  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  SEINET3245731  Sanicula bipinnatifida John F. Green 2010-1 Riverside Peninusular Range: Perris-Aguanga Basin Region: Menifee area c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd (Murrieta 7.5') 427 Comment
  UCR226086  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UCR77589  Sanicula tuberosa Steve Boyd, Et al 1991-5-6 6137 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR42  Sarcostemma cynanchoides Frank C. Vasek 1955-5-21 204 Riverside San Jacinto Mtns, Cranston Ranger Station, San Jacinto River Canyon 579 Comment
  UC566925  Sarcostemma cynanchoides subsp. hartwegii H. L. Mason 1926-5-2 3193 Riverside Aguanga Valley Comment
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Nov 16 2011
  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
  SEINET3225527 Image available Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37495 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 204 Comment
  CHSC109698  Schismus barbatus Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs tram station. Comment
  JOTR34403  Schismus barbatus Andre, Jim 2012-4-16 20939 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  RSA772124  Schismus barbatus Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4834 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
  SBBG18233  Schismus barbatus M. A. Piehl 1963-6-1 63526 Riverside E edge of Banning Comment
  SEINET212652 Image available Schismus barbatus L. C. Higgins 1974-4-12 8487 Riverside 5 miles south of Morongo Valley on highway 62 Comment
  SBBG101789  Schoenoplectus acutus var. occidentalis S. Boyd, T. Ross 1991-6-14 6375 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA708155  Schoenoplectus americanus Scott D. White, Angelia Carey 2004-5-7 10352 Riverside Indian Creek and adjacent foothills. 549 Comment
  SDSU12983  Schoenoplectus americanus Michael G. Simpson with Claudia A. Luke 1999-10-27 2020 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA652886  Schoenoplectus californicus John Wallace 1991-5-8 22 Riverside Colorado River. Comment
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Aug 13 2015
  RSA289835  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4084 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA91580  Schoenoplectus maritimus F. W. Peirson 1918-03 1618 Riverside Mecca. Comment
  UCR241635  Scrophularia californica T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 351 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA740937  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12439 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR228856  Secale cereale A. C. Sanders, T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  CAS-BOT-BC69812  Selaginella bigelovii Robert T. Clausen; Harold Trapido 1940-6-18 4679 Riverside Salton Sea Basin, at mouth of Chino Canyon, Palm Springs. 457 Comment
  RSA134367  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water 426 Comment
  UC306709  Selaginella bigelovii S. B. Parish 1918-4-3 11695 Riverside mouth of San Jacinto Canyon (Oak Lodge) 914 Comment
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Nov 20 2011
  UCR156364  Selaginella bigelovii T. B. Salvato, Kent Beaman 2005-5-16 882 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
  RSA684101  Selaginella watsonii Joseph Andorfer Ewan 1930-9-1 314 Riverside Summit of San Jacinto Mountain. 3294 Comment
  HSC6139  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside About 5 mi. NE of Aguanga Comment
  RSA543735  Senecio californicus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6070 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CAS-BOT-BC323988  Senecio flaccidus var. douglasii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9548 Riverside Cottonwood Springs Canyon. Comment
  RSA614105  Senecio flaccidus var. douglasii A. C. Sanders, T. Tennant 1997-11-14 21599 Riverside Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  UCR187281  Senecio flaccidus var. douglasii Diane Menuz, Theresa Johnson 2006-6-15 166 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
  UCR40409  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Clinton Keith Road, [Slaughterhouse Canyon] 1.7 mi. east of gate to The Nature Conservancy Preserve 488 Comment
  RSA0042160  Senecio mohavensis Duncan S. Bell, Evan Meyer 2014-4-2 6512 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SEINET6692556 Image available Senecio monoensis Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains. 1036 Comment
  RSA612491  Senecio vulgaris D. L. Banks 1997-2-23 1326 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA544438  Senecio vulgaris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6345 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UC68647  Senna armata H. M. Hall Apr, 1905 5981 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UCR41630  Senna covesii A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen, R. Kniffen 1986-3-3 6073 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CLARK-A1656-782  Sesuvium verrucosum Theo Glenn 1982-4-18 Riverside Mecca Comment
  RSA675695  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  RSA776707  Sherardia arvensis Steve D. Boyd 2005-7-4 11633 Riverside City of Riverside, Wood Steets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 244 Comment
  UC1620068  Sibaropsis hammittii Steve Boyd and Tim Ross 1992-3-31 6771 Riverside Elsinore Peak Santa Ana Mountains, USGS Wildomar 7.5' quadrangle 1011 Comment
  UCR216237  Sidalcea malviflora subsp. malviflora Mike Bell 2008-4-27 050 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  RSA33842  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-5-20 1240 Riverside Palms to Pines Highway. 1433 Comment
  RSA95373  Sidalcea malviflora subsp. sparsifolia F. W. Peirson 1922-5-20 4309 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  CAS-BOT-BC109420  Sidotheca emarginata Louis B. Ziegler 1964-8-1 s.n. Riverside Road above Kenworthy Ranger Station, Garner Valley, San Jacinto Mountains. 1463 Comment
  CAS-BOT-BC109426  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  RSA561060  Silene antirrhina Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7353 Riverside Southern Santa Ana Mountains, Sant 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
  SDSU13917  Silene gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2132 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR260532  Silene gallica T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28