Search Results — 2000 specimen records retrieved (1899 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS61242  Abronia villosa W. L. Jepson and H. M. Hall 1901-5-17 1245 Riverside near San Jacinto Comment
  SFV4378  Abronia villosa F. M. Ball 1964-1-4 s. n. Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UCR116812  Abronia villosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23942 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  JEPS100433  Abronia villosa var. aurita Dean W. Taylor 2003-5-6 18514 Riverside wash of the San Gorgonio River ca. 1 mile South of the intersection of Highway 111 with Interstate 10 365 Comment
  RSA784775  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3179 Riverside The Mecca Hills; southeastern section of hills; up the east fork of Hidden Springs Canyon, approximately 1.75 air miles southwest of Hidden Spring. 95 Comment
  UC7624  Abronia villosa var. aurita Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA343356  Abronia villosa var. villosa F. R. Fosberg, M. H. Sachet 1983-4-23 64173 Riverside Whitewater Bridge. Comment
  RSA775092  Abronia villosa var. villosa Duncan S. Bell, Amber Swanson 2011-2-18 2038 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR227180  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  CAS-BOT-BC30949  Acamptopappus sphaerocephalus P. H. Raven 1958-5-18 12996 Riverside along State Highway 74, 4.9 miles north-east of Pinon Flats, San Jacinto Mountains Comment
  OBI77000  Acamptopappus sphaerocephalus Patrick A. Holden 1969-4-23 782 Riverside Along old hwy 62, ca. 2 mi n of intersection with UAS 60-70 highway, 8 mi sw of Desert Hot Springs Comment
  RSA346258  Achnatherum hymenoides R. F. Thorne, WA Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54056 Riverside Along Whitewater River, E of bridge and levee Comment
  UC39951  Achnatherum occidentale subsp. californicum H. M. Hall July 1901 2556 Riverside North side. Fullers Ridge San Jacinto Mountains 2133 Comment
  CLARK-A1528-914  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  UCR245245  Achyronychia cooperi Jim Andre 2012-3-19 21338 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  JOTR31171  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SDSU12867  Acmispon glaber var. brevialatus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 20 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  UCR279414  Acmispon maritimus var. brevivexillus A. C. Sanders, Jim Malusa 2017-3-25 42990 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
  RSA799086  Acmispon rigidus Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6883 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  SDSU13937  Acmispon strigosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2094 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  HSC5472  Adenophyllum porophylloides C. L. Hitchcock, C. V. Muhlick 1964-3-22 23270 Riverside Pinto Basin; Joshua Tree National Monument Comment
  SD146171  Adenostoma fasciculatum Andy C. Sanders, S. D. Boyd, M. Provance 1999-9-14 23074 Riverside San Bernardino Valley; Colton Dunes, dune remnant on Slover Ave. between Pepper Ave and the tank farm, ca. 1 mile due W of Slover mtn. 320 Comment
  CAS-BOT-BC139859  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  UCD112517  Adenostoma sparsifolium R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  RSA0034426  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road 1372 Comment
  POM19637  Agoseris retrorsa Mary F. Spencer 1923-6-9 2168 Riverside Idyllwild. San Jacinto Mt. 1646 Comment
  RSA750928  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35968 Riverside lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  SDSU719  Agrostis exarata H. Wedberg 1962-5-23 944 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
Read comments
Oct 18 2011
  UCR92358  Agrostis viridis Scott D. White, S. Ogg 1994-10-17 2496 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  RSA480258  Alhagi maurorum D. O. Clark 1969-7-2 s.n Riverside 2 miles W of Mecca, Coachella Valley. Comment
  SBBG1743  Allenrolfea occidentalis H. and M. Dearing 1940-11-10 5019 Riverside Thousand Palms Cyn Comment
  RSA0027470  Allionia incarnata Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 57 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA462630  Allionia incarnata H. de Forest 1933-4-16 17593 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
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Feb 3 2011
  RSA73963  Allionia incarnata Alice Yates, Jas. E. Wilcox 1952-4-6 28 Riverside Between Box Canyon and Smoke Tree National Monument 152 Comment
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Mar 2 2013
  SD120078  Allionia incarnata var. villosa Louis B. Ziegler 1966-9-13 83 Riverside San Jacinto Mountains, Canyon of Carrizo Creek above Highway #74 crossing. 701 Comment
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Jul 10 2010
  UCR87152  Allium ampeloprasum Steve Morgan 1995-5-18 s.n. Riverside Garden of Edith McKenzie, 22918 Pahute Drive, Moreno Valley Comment
  SBBG34201  Allium burlewii T. L. Secrest 1951-5-20 Riverside Pine Cove 1905 Comment
  SEINET12043892  Allium haematochiton I. W. Clokey 1935-1 6555 Riverside Gavilan Peak 600 Comment
  RSA770513  Allium munzii S. Mashayekhi, Steve Boyd, D. Buck, J. Mendosa 2010-4-22 SM 047 Riverside Top of Estelle Mt. Drainage to Dawson Canyon Comment
  RSA0006686  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills: clay soil on hillside south of Harford Springs County Park. 616 Comment
  JOTR30649  Allium parishii La Doux, Tasha, Erin Babich 2008-4-21 1809 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  SEINET3880032  Allium parryi Bonnie C. Templeton 1920-4-15 1477 Riverside Near Gacilau Peak. W of Perris.; 0 400 Comment
Read comments
Jul 8 2015
  UCR17055  Allium praecox E. W. Lathrop 1971-3-21 7462 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  UCR199647  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR19811  Allophyllum divaricatum W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  VVC369  Allophyllum divaricatum A. C. Sanders, J. Mac 1997-5-4 20633 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SD71849  Allophyllum glutinosum Helen V. Witham 1969-7-2 190 Riverside De Luz Creek, 7.0 miles south of Murietta on road to De Luz. 299 Comment
  UCR54451  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  RSA385638  Alopecurus saccatus Christopher Davidson 1977-5-25 5648 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  CLARK-A1528-1389  Amaranthus albus John C. Roos 1937-8-17 1220 Riverside San Jacinto Comment
  RSA644188  Amaranthus albus Scott D. White 1995-8-23 3564 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
  UC7527  Amaranthus albus H. M. Hall 1901-8-1 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR54043  Amaranthus albus A. C. Sanders 1988-11-6 08741 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA736979  Amaranthus blitoides Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10669 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR230601  Amaranthus blitoides A. C. Sanders 2011-9-15 39895 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
  RSA0094888  Ambrosia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41712 Riverside Temescal Valley near Glen Ivy, along Temescal Canyon Rd. at Campbell Ranch Rd. intersection. 323 Comment
  CDA23780  Ambrosia acanthicarpa Mike Lahti 2008-10-14 PDR# 1509229 Riverside Temecula. 0 Comment
  JEPS49060  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  SEINET2043617 Image available Ambrosia acanthicarpa H. S. Gentry 1954-7-26 14252 Riverside Dripping Springs, along Rt. 79 Comment
  UCR278879  Ambrosia confertiflora Mitch Provance 2012-7-17 712- 19 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  LA202899  Ambrosia dumosa A. M. Johnson; 1928-5-5 351 Riverside Travertine Rock Comment
  RSA314630  Ambrosia dumosa R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55425 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA766670  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 162 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  SBBG81836  Ambrosia dumosa J. Hogan 1975-5-29 83 Riverside ca. 2.5 mi N of Berdoo and Rockhouse Cyn jct, Joshua Tree Nat Monument 1072 Comment
  UC406767  Ambrosia dumosa Marcus E. Jones, A. M. 1929-9-16 25074 Riverside e of Desert Center Comment
  UCR75095  Ambrosia dumosa A. C. Sanders, E. Lawlor 1992-4-4 12092 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB41267  Ambrosia dumosa Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wellls 210 Comment
  UC1605396  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside San Mateo Canyon at confluence with Bluewater Canyon; Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  CAS-BOT-BC273016  Ambrosia salsola Roxana S. Ferris 1918-6-17 1001 Riverside 5 miles east of Gruendikes Well, on Mecca - Blythe Road Comment
  CAS-BOT-BC273024  Ambrosia salsola Philip A. Munz 1932-3-14 11972 Riverside Sandy wash of Deep Canyon, Coachella Valley 91 Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs Comment
  UC898000  Ambrosia salsola I. W. Clokey 1935-4-17 6986 Riverside Cottonwood Springs Comment
Read comments
Oct 9 2010
  UCD128936  Ambrosia salsola G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2744 Riverside Chuckwalla Mountains. Graham Pass Road, 10.6 miles SSW of Chuckwalla Valley Road. 487 Comment
  JEPS39439  Ambrosia salsola var. salsola L. M. Newlon 1926-4-2 421 Riverside highway between Westmorland and Indio Comment
  RSA0067721  Ambrosia salsola var. salsola Cheryl Sevilla, Sarah J. De Groot 2015-3-18 42 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 1.1 air miles north of the Whitewater Preserve Ranger Station; on the plain west of the Whitewater River drainage. 738 Comment
  RSA0117834  Ambrosia salsola var. salsola Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7807 Riverside Santa Rosa Mountains: Along Dunn Road just west-southwest of BLM gate, between Haystack and Asbestos Mountains, head of Potrero Canyon, east of Potrero Spring. Southwest of Palm Desert and north of Highway 74. 1170 Comment
  RSA522319  Ammannia coccinea Steve Boyd 1989-7-23 3789 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  RSA415299  Amorpha fruticosa A. Menke 1955-5-22 s.n Riverside Chino Canyon, Palm Springs. Comment
  RSA44916  Amorpha fruticosa J. C. Roos 1947-5-10 3614 Riverside 3 miles SE of Console Springs., [Console Springs is in Riverside Co. near present-day Reche Cyn. Rd., ca. 33 d 59.5' N / 117 d 12.7' W. Roos's collection site was probably the wash just above Sunnymead. -S. D. White Mar 2007] Comment
  UCR234289  Amsinckia intermedia A. C. Sanders, John F. Green 2012-4-6 40015 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  RSA0089616  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-3-20 3381 Riverside 5 miles S of Corona. 305 Comment
  SEINET10455555  Amsinckia intermedia A. K. Evans 1976-4-13 Evans 5187 Riverside On same sheet as Dunn 2109, UMO 161837. Rocky slopes of Santa Rosa mountains. Comment
  RSA192174  Amsinckia menziesii E. W. Lathrop 1966-4-13 6170 Riverside 3 miles NW of Murrieta 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
  UCR3413  Anagallis arvensis H. M. Whistler 1964-5-10 640510- 01 Riverside City of RIverside; UCR campus at 3401 Avocado, in lawn 335 Comment
  CAS-BOT-BC272872  Ancistrocarphus filagineus Steve Boyd 1986-4-2 1588 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA640827  Anemopsis californica L. C. Wheeler 1931-4-17 s.n. Riverside Santa Ana River south of Chino. Comment
Read comments
Jun 10 2012
  UC219552  Anemopsis californica P. A. Munz 1922-6-30 5905 Riverside Santa Rosa Mountains, Santa Rosa Santa Rosa; Santa Rosa Mountains, Santa Rosa 1981 Comment
  CAS-BOT-BC79936  Antennaria microphylla Philip A. Munz 1922-7-6 5977 Riverside Tahquitz Valley 2225 Comment
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  CHSC110682  Antirrhinum coulterianum Dean Wm. Taylor 2003-5-7 18529 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  RSA182339  Antirrhinum coulterianum J. D. Olmsted 1962-5-1 3429 Riverside NE slope just west of top of highest Southern California waterfall; 1/4 miles. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto Comment
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Nov 24 2011
  RSA33652  Antirrhinum coulterianum N. C. Cooper 1944-6-4 1325 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA673633  Antirrhinum coulterianum Scott D. White, Tasha La Doux 2000-4-20 7700 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR158507  Antirrhinum coulterianum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30035 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
  JEPS83383  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-10 300 A Riverside Railroad Canyon road , Elsinore Quad. (7.5', 1953) (Lake Elsinore) 548 Comment
  RSA192320  Antirrhinum nuttallianum subsp. nuttallianum H. A. Zuill 1966-6-23 236 Riverside San Mateo canyon about 12 miles SW of Murrieta. Comment
  RSA278321  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth, Walter Wisura 1979-5-23 1803 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  UC26372  Antirrhinum nuttallianum subsp. nuttallianum Geo. R. Hall 1901-3-30 1709 Riverside near Riverside Comment
  CAS-BOT-BC447695  Aphanes occidentalis Steve Boyd 1992-4-14 6815 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side 792 Comment
  CLARK-A1528-1422  Apiastrum angustifolium John C. Roos 1937-3-24 1340 Riverside Pigeon Pass Comment
  RSA715197  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET8665940 Image available Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Elsinore Basin; Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 427 Comment
  UCR177999  Apiastrum angustifolium 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 1189 Comment
  UCR13411  Arabis holboellii William E. Mortenson 1973-5-27 730527- 02 Riverside San Jacinto Mtns., 1.2 mi SW of Idyllwild, 0.5 mi west of Hwy 243 on Delano Road near intersection with Tollgate road. Along stream bank where Strawberry Creek crosses Toll Gate Road 1580 Comment
Read comments
Nov 13 2008
  POM184733  Arabis pulchra var. gracilis C. L. Hitchcock 1932-4-9 12229 Riverside Joshua Tree National Monument; White Tanks, eastern Riverside. Comment
  RSA629171  Arctostaphylos Jon E. Keeley 1992-7-17 16795 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629378  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15090 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629382  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15084 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA635600  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1992-7-17 16754 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  CAS-BOT-BC23122  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-5-30 6609 Riverside Santiago Peak, Santa Ana Mts. Comment
  UC876570  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 7888 Riverside Hemet 900 Comment
  POM49844  Arctostaphylos glauca P. A. Munz, I. M. Johnston 1924-7-29 8877 Riverside Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA631764  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15070 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631769  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15064 Riverside Crosley Road, above Temecula Creek, 1 km south of Highway 79. 550 Comment
  RSA631786  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16731 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  UC63819  Arctostaphylos glauca H. M. Hall May 1897 518 Riverside at lower altitudes and on Juniper Hill San Jacinto Mountains Comment
  UCR199576  Arctostaphylos glauca Scott D. White, Angelia Carey 2004-7-2 10584 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR94266  Arctostaphylos glauca Scott D. White 1996-4-14 3922 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA633523  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22512 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633550  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21788 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633574  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633579  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20132 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633640  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20137 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633665  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21767 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  SEINET7048003  Arctostaphylos patula Steven R. Hill, Kate Kramer and family 2001-4-26 33470 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
  CAS-BOT-BC44359  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1958-5-17 12958 Riverside Along road to Banning 6.1 miles north-west of Lake Fulmor, San Jacinto Mountains. Comment
  HSC101777  Arctostaphylos pringlei subsp. drupacea J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13197 Riverside 1470 Comment
  SBBG5417  Arctostaphylos pringlei subsp. drupacea H. and M. Dearing 1937-11-27 1283 Riverside Santa Rosa Mtn Comment
  UCR121226  Arctostaphylos pringlei subsp. drupacea Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2300 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA636185  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19492 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  SD180720  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 402 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UC8107  Arenaria macradenia var. macradenia H. M. Hall 1901-6-1 2126 Riverside San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1645 Comment
  JOTR31236  Argemone corymbosa La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2020 Riverside Joshua Tree National Park. Pinto Basin; (Stop 7) Pinto Wash, large active wash 322 Comment
  RSA0041961  Argemone munita Duncan S. Bell, Loraine Washburn 2014-4-8 6585 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UC165056  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside mouth of canyon near Mecca; Colorado Desert, Red Canyon Comment
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Nov 24 2011
  UCR2159  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Sonoran (Colorado) Desert, Sand dunes near Indian Wells 30 Comment
  UCR52011  Aristida adscensionis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2130 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CLARK-A1528-4465  Aristida californica John C. Roos 1937-8-22 1209 Riverside Mojave Desert Comment
  CAS-BOT-BC137532  Aristida purpurea var. nealleyi Philip A. Munz 1946-10-20 11575 Riverside Palms to Pines Highway 11.5 miles south of Palm Springs to Indio Road. 1036 Comment
  RSA309652  Aristida purpurea var. parishii J. C. Roos 1966-4-29 s.n. Riverside Hills between March AFB and Lakeview. Comment
  CAS-BOT-BC90195  Artemisia californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, W. Colo. Desert 304 Comment
  IRVC490  Artemisia douglasiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 223 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  UCR67004  Artemisia douglasiana S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  JOTR36399  Artemisia dracunculus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3349 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  RSA595911  Artemisia dracunculus Darin L. Banks, Lauren Raz 1996-11-5 1170 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  UCR34916  Artemisia dracunculus L. B. Ziegler 1967-9-6 242 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  CAS-BOT-BC93478  Artemisia tridentata subsp. tridentata H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs along route 79 Comment
  SD197749  Arthrocnemum subterminale Karin Cleary-Rose, G. Nuhn 1995-7-20 Riverside Peninsular Range, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Ave, at south end of Hyatt Ave. 456 Comment
  RSA0046830  Asclepias californica Paul Shirokawa 1998-5-15 27 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  UC1245423  Asclepias erosa C. Ritchie Bell 1963-4-10 Riverside ca. 16 mi e Desert Center School (roadside of US 60-70) Comment
  SEINET235114  Aspidotis californica F. M. Reed 1920-4-20 5829 Riverside Summit of Grade between Pala & Tewedula 914 Comment
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Sep 20 2013
  UCR18624  Aster bernardinus John C. Roos 1951-10-19 5323 Riverside San Timoteo Canyon, El Casco 612 Comment
  UCR75057  Astragalus aridus A. C. Sanders, E. J. Lawlor 1992-4-3 12084 Riverside Sonoran (Colorado) Desert, 0.2 mi north of Hwy I-10 at the Wiley Well Rest Stop, c. 31 mi east of Desert Center. 122 Comment
  RSA485841  Astragalus coccineus T. S. Elias 1988-1-26 10674 Riverside Joshua Tree National Monument; Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  CAS-BOT-BC177726  Astragalus crotalariae John Thomas Howell 1928-3-25 3549 Riverside Indio, Coachella Valley, Colorado Desert Comment
  RSA0043135  Astragalus didymocarpus var. obispoensis P. A. Munz 1922-4-29 5096 Riverside Dripping Springs, near Temecula Creek 518 Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UCR201474  Astragalus douglasii var. parishii Scott D. White, Justin M. Wood 2008-6-5 12079 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR78442  Astragalus gambelianus Scott D. White 1993-4-22 1236 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  RSA0014456  Astragalus lentiginosus var. coachellae Justin M. Wood, J. Miner 2010-4-29 1529 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UCR208928  Astragalus nuttallianus var. imperfectus M. B. Dunkle 1935-3-31 4445 Riverside Sonoran (Colorado) Desert, Cottonwood Mtns., Cottonwood Springs [Canyon] '2300 ft. 915 Comment
  POM13864  Astragalus pachypus var. jaegeri P. A. Munz 1922-4-29 5118 Riverside East of Dripping Spring, near Temecula Creek 609 Comment
  UCR59498  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  CAS-BOT-BC192758  Astragalus palmeri Philip A. Munz 1937-5-30 15128 Riverside Dos Palmos Spring, northern part Santa Rosa Mts. 1097 Comment
  UC863206  Astragalus palmeri P. A. Munz, I. M. Johnston 1922-5-7 5271 Riverside Keyes Ranch Little San Bernardino Mtns, Keyes Ranch (Little San Bernardino Mtns, sandy desert plain) 1066 Comment
  CAS-BOT-BC194140  Astragalus pomonensis Joseph Andorfer Ewan; Carl Epling 1933-5-4 7610 Riverside 5 mi. above Corona, Temescal Canyon Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  RSA415659  Astragalus pomonensis N. C. Cooper 1944-4-8 1055 Riverside Andreas Canyon. 305 Comment
  UCR4138  Astragalus pomonensis Ronald M. Cope 1965-3-12 s.n. Riverside Riverside, c. 100 yards below where Gage Canal goes underground after having crossed Le Conte Drive 259 Comment
  POM13388  Astragalus sabulonum E. C. Jaeger 1922-3-18 s.n Riverside Sands E of Mecca. Comment
  UC218672  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  RSA604849  Athysanus pusillus Scott D. White 1995-3-30 2645 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  UCR91430  Athysanus pusillus Scott D. White 1995-3-30 2645 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  CAS-BOT-BC98820  Atrichoseris platyphylla R. Bacigalupi 1928-2-1 s.n. Riverside Colorado Desert - Painted Canyon Comment
  SBBG104632  Atrichoseris platyphylla T. Glenn 1991-5-2 91 -19 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  UC1546694  Atrichoseris platyphylla Barry A. Prigge 1988-2-21 7842 Riverside 2 miles west of, Orocopia Mountains Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR166847  Atrichoseris platyphylla Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR89777  Atriplex argentea Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SD143553  Atriplex canescens G. S. Nuessly 1980-10-16 Riverside Coachella Valley: Indio, southeast corner of Kenner Ave. and Monroe St., between Fred Waring Dr. and the Whitewater River Channel. Comment
  SD229126  Atriplex canescens Dick Schwenkmeyer 2012-11-6 876 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SEINET3930598  Atriplex canescens Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs.; 0 152 Comment
  UC110259  Atriplex canescens T. S. Brandegee 1901-4-3 Riverside Salton Ck Colorado Desert, Salton Ck Comment
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Sep 11 2011
  UCR109572  Atriplex canescens R. D. Goeden, Don W. Ricker 1978-11-16 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  UCR214708  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37627 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  RSA0089541  Atriplex coronata var. notatior D. E. Bramlet, Melissa Riedel-Lehrke 2006-5-31 4014 Riverside Perris Basin: West Hemet area, MWD canal right-of-way, south of Florida Ave. 456 Comment
  RSA532568  Atriplex coronata var. notatior D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2125 Riverside Some 8.2 km. southwest of Hemet, aproximatly 10 m. east of California Road, just northeast of the junction of California and Marvin Hull Road., The population is approximatly 50m. north of the AT&SF railroad tracks and 300m. west of the MWD canal. 498 Comment
  SEINET3931218  Atriplex coronata var. notatior D. Bramlet 1991-1 Riverside Comment
  UCR201822  Atriplex coronata var. notatior 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
  UCR67327  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2059 Riverside Vicinity of Perris, c. 860 m west of the intersection of Ellis Ave. and Sherman Road; < 200 m north of Ellis Ave. 473 Comment
  CHSC109284  Atriplex glauca R. E. Riefner Jr. 2002-12-2 02 -521 Riverside City of Corona, along Magnolia Ave. off-ramp on SW side of I-15 freeway. UTM: 11S 0450110E 3737033N. 216 Comment
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Aug 4 2013
  UC1922406  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 b Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR228398  Atriplex hymenelytra Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 144 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  RSA1394  Atriplex lentiformis subsp. lentiformis B. D. Stark 1930-4-2 782 Riverside Indio, sea level 0 Comment
  RSA24225  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  SEINET4135549  Atriplex polycarpa Sears 1977-10-12 S 569 Riverside Corn Springs. Desert Palm Oasis, permanent flowing spring.; 0 512 Comment
  SBBG119922  Atriplex prostrata O. F. Clarke 1970-9-24 Riverside Santa Ana River bottom just E of the old Salt Lake Railroad bridge 216 Comment
  CLARK-A1528-4995  Atriplex rosea John C. Roos 1965-8-4 Riverside Arlington Comment
  RSA735942  Atriplex serenana var. serenana Scott D. White, Justin Wood 2008-6-13 12105 Riverside San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR65299  Atriplex suberecta Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Peninsular Range, Vail Lake area, along road, near summit of 'Little' Oak Mtn. 628 Comment
  SD152999  Avena fatua Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon, along trail 305 Comment
  RSA595274  Avena fatua D. L. Banks, Victor Steinmann 1996-4-20 895 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  RSA77226  Ayenia compacta F. W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs region 457 Comment
  RSA84261  Azolla filiculoides Frank W. Peirson 1922-4-30 2948 Riverside Lancaster Valley, less than 2 miles from the Temecula River on the road to Hemet. 518 Comment
  RSA89967  Baccharis brachyphylla J. C. Roos 1950-10-15 5008 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  UC774846  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11436 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  POM10240  Baccharis emoryi E. A. Zumbro 1904-1 s.n. Riverside Cold Water Canyon, Santa Ana Mountains Comment
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Jul 4 2010
  RSA486458  Baccharis emoryi Richard Noyes 1988-10-30 758 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA180328  Baccharis salicifolia E. W. Lathrop 1965-3-30 5604 Riverside 14 miles W of Murrieta. Comment
  UCR139038  Baccharis salicifolia D. L. Banks, V. W. Steinmann 1997-3-13 1426 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  JEPS40699  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1939-4-17 19160 Riverside Temescal Valley, Temescal Creek 304 Comment
  SDSU13511  Baccharis salicifolia subsp. salicifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  UC63381  Baccharis salicifolia subsp. salicifolia Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Comment
  SD60247  Baccharis sarothroides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells, Little San Bernardino Mountains 1220 Comment
  SEINET2045190 Image available Baccharis sarothroides B. Pitzer 1996-11-11 2931 Riverside Orocopia Mountains: Salt Creek Wash, at intersection w/SR211, 4 rd. mi. S of Bob's Cabin. Hayfield 15'USGS Quad.:T7s,R14ESW/4, S7 274 Comment
  CAS-BOT-BC99865  Baccharis sergiloides A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al. 1996-11-23 19660 Riverside San Bernardino Mtns.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish 534 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
  POM350457  Baccharis sergiloides George B. Grant 1906-05 6749 Riverside Colorado Desert, Desert Canyon Comment
  RSA289870  Baccharis sergiloides B. A. Prigge 1980-9-17 4099 Riverside San Bernardino Mts, Whitewater Canyon, 2.5 miles N of interstate 10 549 Comment
  RSA1081  Bahiopsis parishii J. T. Howell 1927-4-1 527 Riverside Mission Creek, Colorado Desert 610 Comment
  UCSB41798  Baileya multiradiata Apton, William 1969-4-20 Riverside E of Anza, Route 74 near St Hwy 171 457 Comment
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Jan 13 2016
  UC1979854  Baileya pauciradiata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 963 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  RSA772537  Bebbia juncea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4437 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
  CAS-BOT-BC100117  Bebbia juncea var. aspera Carl B. Wolf 1932-4-27 3000 Riverside Colorado Desert. 14 mi. E. of Mecca on Blythe Road (E. of Shavers Well) 152 Comment
  CAS-BOT-BC100133  Bebbia juncea var. aspera Roxana S. Ferris 1918-6-14 982 Riverside in Box [Canon] Canyon at Shaver's Well, Chocolate Mts - Mecca-Blythe Road Comment
  JOTR35068  Bebbia juncea var. aspera La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3520 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA793274  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 149 Riverside On Graham Pass Rd. just south of Graham Pass in the Chuckwalla Mtns. Wilderness. 456 Comment
  UCR241957  Bebbia juncea var. aspera A. C. Sanders, John F. Green 2012-3-21 39983 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  RSA5546  Berberis amplectens C. B. Wolf 1932-5-25 s.n. Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  CAS-BOT-BC75736  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3908 Riverside Vail Lake area, summit of 'Big' Oak Mountain, north of lake. 822 Comment
  RSA293511  Bernardia incana W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook, Highway 74 above Deep Canyon, south of Palm Desert. Comment
  UC868545  Bernardia incana C. L. Hitchcock 1940-4-5 5967 Riverside 1/2 mi. above Cottonwood Springs (in canyon above Spring) Comment
  CLARK-A1528-1652  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  UCR66985  Bidens laevis S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  CLARK-A1528-3076  Bloomeria crocea Mark Wilson 1980-5-30 7 Riverside San Timoteo Canyon Comment
  UC3230  Bloomeria crocea Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Mountains Comment
  RSA0125971  Boechera Scott D. White, Justin M. Wood 2008-7-8 12374 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  JOTR30923  Boechera xylopoda La Doux, Tasha, Bill Truesdell 2008-4-29 2598 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  JOTR33742  Boechera xylopoda La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2741 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  JOTR34170  Boechera xylopoda Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 127 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  POM128654  Boerhavia coccinea M. French Gilman 1927-5-22 1 Riverside Corn Springs, Chuckwalla Mts. Comment
  SD129258  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target, along wash. UTM: 11S PH-35E, 07N 680 Comment
  UCR58877  Boerhavia coulteri J. M. Stewart 1989-10-16 610 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  RSA518302  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  CAS-BOT-BC434534  Boerhavia triquetra Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  UCR43706  Boerhavia triquetra R. F. Thorne, R. Dahlgren 1979-8-22 53571 Riverside Joshua Tree National Monument, just south of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley west of Pinto Mtns. 1098 Comment
  JOTR32618  Boerhavia wrightii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1628 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA518305  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  SEINET3092325 Image available Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  RSA262062  Bothriochloa barbinodis E. W. Lathrop 1966-3-23 6086 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. Comment
  UCR60438  Bothriochloa barbinodis S. J. Myers 1989-8-3 s.n. Riverside Peninsular Range, 1.5 mi SW of Temecula, and 0.5 mi west of the confluence of Murrieta and Temecula Creeks 396 Comment
  UCR52001  Bouteloua aristidoides Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2125 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA0018894  Bouteloua barbata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6030 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA716109  Bouteloua barbata var. barbata Michael Wall 2006-10-8 422 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  RSA741581  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCD56875  Bouteloua curtipendula F. M. Reed 1933-1 10014 Riverside Santa Rosa Mts. Santa Rosa Indian Reservation. Comment
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Mar 16 2014
  RSA528093  Bowlesia incana Scott D. White 1991-4-10 91 -54 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  SD7572  Bowlesia incana unknown 1882-4-23 Riverside Temecula Rancheria (mak 2/07) Comment
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Mar 25 2015
  UCR234284  Bowlesia incana A. C. Sanders, John F. Green 2012-4-6 40012 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  RSA0086494  Boykinia rotundifolia Mitch Provance, Justin E. Smith 2015-7-22 715 -02 Riverside San Jacinto Mountains: Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243. 1601 Comment
  RSA20225  Brandegea bigelovii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi. from Cottonwood Springs, N end of Pinto Basin Comment
  RSA796474  Brandegea bigelovii Duncan S. Bell 2009-4-18 206 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC194837  Brandegea bigelovii S. B. Parish 1916-5-13 10849 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 792 Comment
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Oct 9 2010
  UCR216221  Brandegea bigelovii Jim Andre, T. La Doux 2009-2-25 10805 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCSB5999  Brandegea bigelovii Feldmann, Peter 1963-5-5 Riverside Along State Highway 111, 1 mile N of Palm Desert 914 Comment
  SD152905  Brassica rapa Steve Boyd, Orlando Mistretta 1992-4-23 7062 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Local along trail on dry rocky slopes. 244 Comment
  CAS-BOT-BC36846  Brassica tournefortii John H. Thomas 1949-2-28 46 Riverside Between Banning and Palm Springs. Comment
  UCD114636  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside Riverside. W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak. Comment
  UCR103171  Brassica tournefortii Scott D. White, Julie Greene 1997-3-12 4770 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR148341  Brassica tournefortii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR93041  Brassica tournefortii Scott D. White 1995-3-30 2647 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA575884  Brickellia californica Steve Boyd 1981-2-9 s.n. Riverside Gavilan Hills region, southern end of Steele Valley, S of extensive groves and communications site at W base of Steele Peak 610 Comment
  UC86103  Brickellia californica J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CLARK-A1528-1671  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Eagle Mountains Comment
  CLARK-A1528-175  Brickellia desertorum Oscar F. Clarke 1969-10-8 Riverside Riverside Comment
  CLARK-A1528-2039  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  UCR19255  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  UC1329829  Brickellia incana James E. Cole 1941-6-11 863 Riverside .25 mi below spring area Cottonwood Spring (Joshua Tree National Monument); Joshua Tree National Monument 1066 Comment
  CAS-BOT-BC132177  Brodiaea Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UCR211703  Brodiaea filifolia Fred M. Roberts, Kerry M. Byrne 2006-5-9 6332 Riverside Perris Basin, Old Salt Creek drainage, east side of California Ave, c. 0.2 km southeast of the junction of California Ave. and Stowe Road and 2.2 km southwest of the west end of Hemet Ryan Airport runway 455 Comment
  UCR218078  Brodiaea filifolia Steve Boyd 2010-6-9 12289 Riverside Santa Ana Mountains, San Mateo Canyon, along trail from Tenaja Falls trailhead south towards Fisherman's Camp, upstream from first crossing of creek 378 Comment
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR191204  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 927 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  UCR191209  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 911 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 564 Comment
  PASA508  Brodiaea synandra Frank W. Peirson 1922-5-19 Riverside 2 miles southeast of Perris Comment
  UC1871317  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Peninsular Ranges; Palomar Mountains region; 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 rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  POM254898  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 3 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  SEINET191888 Image available Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument ; Cottonwood Springs wash Comment
  RSA599130  Bromus carinatus V. W. Steinmann, D. L. Banks 1996-4-20 839 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 550 Comment
  UCR20626  Bromus carinatus John C. Roos, L. Roos 1954-5-29 6122 Riverside Canyon 1 mi SE of summit of Reche Canyon 686 Comment
  JOTR30974  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA597943  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside Riverside., (Near 33 deg 57.5'N, 117 deg 21'W.) 290 Comment
  UCR171969  Bromus hordeaceus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UC1929330  Bromus madritensis subsp. rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: E 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
  CAS-BOT-BC27873  Bromus orcuttianus var. hallii H. M. Hall 1901-6-1 2301 Riverside San Jacinto Mountains. West side. 1737 Comment
  SDSU12913  Bromus rubens Jutta Buschbom 1991-5-1 5 Riverside SE slope, N border of the Reserve, beyond and Avacado grove ca. 500 m (15 min) from the fieldstation Santa Margarita Ecological Reserve, Temecula Comment
  SEINET3923271  Bromus rubens R. L. Piemeisel 1913-5-2 05409463 Riverside Crestmore field.; 0 Comment
  UCR158272  Bromus rubens A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29501 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
  POM363957  Bromus rubens E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA0042639  Bromus rubens Margaret Murphy 1983-4-15 0001 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA741167  Bromus tectorum Scott D. White, Justin M. Wood 2008-5-15 12003 Riverside Johnson Meadow. 1415 Comment
  UCR260896  Bromus tectorum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41524 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  UCR126328  Caesalpinia gilliesii Mitch Provance 1998-7-23 906 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR199557  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  JOTR31933  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UCR169919  Calandrinia ambigua Scott D. White, Jennifer H. Jones 2005-4-21 10943 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR177994  Calandrinia ciliata 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 1189 Comment
  CLARK-A1528-3937  Calandrinia ciliata var. menziesii Cameron Duncan 1966-3-9 Riverside 213 Comment
  CDA6854  Calendula officinalis T. C. Fuller 1962-6-6 8849 Riverside La Cadena & Iowa Avenue, east of Highway 395 freeway, Highgrove. 0 Comment
  MACF019487  Calocedrus decurrens Trudy R. Ericson 1974-11-9 265 Riverside St. 243 from Banning to Idyllwild about 1 mi. south of intersection of St. 243 and Vista Grande Road. 1645 Comment
  RSA761282  Calocedrus decurrens Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 732 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SFV13152  Calocedrus decurrens M. J. Thor 1982-9-17 137 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  RSA641301  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1779 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  CAS-BOT-BC483504  Calochortus splendens Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR125563  Calochortus weedii var. intermedius Chris E. True 2003-6-18 s.n. Riverside Santa Ana Mountains, Cleveland National Forest. Hagador Canyon, Trabuco Ranger District, SW of the city of Corona 600 Comment
  RSA176354  Calycoseris parryi R. F. Thorne 1963-3-29 32393 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA680832  Calycoseris parryi Scott D. White, Michael Honer 2003-4-30 9146 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  SBBG35571  Calyptridium monandrum D. Myrick 1966-4-2 1331 Riverside upper end of Aqueduct Rd ca. 10 mi SE of Desert Hot Springs Comment
  UC130501  Calyptridium parryi var. parryi Charlotte M. Wilder 1909-7-10 942 Riverside head of Willow Creek (on trail to Round Valley, near log cabin) 2804 Comment
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Apr 2 2008
  UCR174042  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR187502  Calystegia macrostegia Theresa Johnson 2006-3-31 011 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, off DeLuz Road at backside (edge) of ecological reserve, near Mesa de Burro 571 Comment
  SBBG98267  Calystegia macrostegia subsp. tenuifolia S. Boyd, L. Arnseth, Y. Rasmussen, H. Cota 1990-5-3 4598 Riverside Vail Lake area, steep SE flank of Oak Mtn above NE end of lake 579 Comment
  UC1123622  Calystegia macrostegia subsp. tenuifolia R. St. John 1931-1-29 179 Riverside Elsinore , Plot 52 (Plot 52) Comment
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Nov 25 2010
  UCR265065  Calystegia sepium subsp. binghamiae Mitch Provance 2012-11-10 1112- 02 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  RSA511362  Camissonia B. Pitzer, E. Misquez 1988-3-20 673 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 549 Comment
  POM13869A  Camissonia bistorta P. A. Munz 1922-4-29 5101 Riverside Dripping Springs, near Temecula Creek 518 Comment
  UCR214313  Camissonia bistorta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38406 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
  UCR228928  Camissonia bistorta A. C. Sanders 2011-4-6 39009 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CSUSB754  Camissonia boothii D. T. Wright 1966-3-5 Riverside 2 miles south of Palm Desert, at mouth of Deep Canyon. Comment
  RSA774298  Camissonia boothii Duncan S. Bell 2011-4-7 2184 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  SEINET3093098 Image available Camissonia boothii John Adams 1966-3-12 449 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  RSA465967  Camissonia boothii var. condensata E. C. Jaeger 1922-3-29 s.n. Riverside Chuckwalla Valley. 671 Comment
  UCR148336  Camissonia brevipes John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  RSA466013  Camissonia brevipes subsp. brevipes E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert, Box Canyon Comment
  POM3084  Camissonia californica J. S. Clease 1927-4-16 s.n. Riverside Colorado Desert, Palm Springs. Comment
  UC20448  Camissonia campestris subsp. campestris Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA136918  Camissonia cardiophylla Peter H. Raven 1958-1-25 11480 Riverside Box Canyon, 5.5 miles SE of Painted Canyon turnoff, near Mecca. Comment
  RSA139363  Camissonia cardiophylla Thomas W. Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  CLARK-A1528-3323  Camissonia chamaenerioides John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  RSA567651  Camissonia chamaenerioides A. C. Sanders, E. J. Lawlor 1992-4-4 12100 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA135303  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 miles south of Rice. Comment
  RSA614392  Camissonia hirtella D. L. Banks, Victor W. Steinmann 1997-3-13 1527 A 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
  UCR132486  Camissonia hirtella Tracy Tennant, T. B. Salvato 1998-6-23 477 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR171986  Camissonia ignota 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
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 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
  UCR175185  Camissonia pallida subsp. hallii Jim Andre 2006-4-26 6753 Riverside South Mojave Desert, Joshua Tree National Park: c. 5 mi NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1321 Comment
  RSA776137  Camissonia refracta Duncan S. Bell, Amanda Turek 2010-4-10 805 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR110958  Camissonia strigulosa George K. Helmkamp 1998-6-27 4103 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
  SDSU3393  Camissoniopsis pallida subsp. hallii H. Wedberg 1958-4-4 232 Riverside About 200 feet below San Bernardino County line in Morongo canyon wash. Comment
  UC635402  Camissoniopsis pallida subsp. pallida H. L. Mason 1928-3-11 4244 Riverside near Indio Comment
  CDA6876  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside National Orange Company property, east extension of Palmyrita Avenue, 2.5 miles east of Iowa Avenue, Highgrove. 0 Comment
  CAS-BOT-BC20701  Carex fracta C. Epling; Wm. Robison 1935-6-29 s.n. Riverside Mt San Jacinto. Marion Peak. Comment
  CAS-BOT-BC20710  Carex fracta D. E. Breedlove 1961-7-29 871 Riverside San Jacinto Mountains. Fuller Mill Creek where it crosses Riverside Highway #1. 1645 Comment
  RSA697504  Carex lemmonii J. Russell Bruff 1934-7-7 s.n. Riverside Idyllwild Comment
  POM6821  Carex multicostata Phillip A. Munz, L. T. Street 1919-5-7 2742 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
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Jul 2 2008
  CAS-BOT-BC94055  Carex sartwelliana Peter F. Zika; Nick Otting; Kate Kramer 2010-8-6 25301 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains (SnJt) 1785 Comment
  RSA335016  Carex schottii Steve Boyd 1985-7-23 1024 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
  RSA608702  Carex senta L. C. Wheeler 1961-6-20 7893 Riverside West Fork Tahquitz Creek 2377 Comment
  POM259176  Carex subfusca Phillip A. Munz 1938-8-13 15322 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA364711  Carex subfusca M. B. Dunkle 1933-7-23 3759 Riverside San Jacinto Peak, San Jacinto Mountains. 3049 Comment
  UC1219  Carex subfusca H. M. Hall July, 1901 2416 Riverside near summit San Jacinto Mountains 3291 Comment
  SEINET7578804 Image available 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", an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA523540  Castilleja affinis subsp. affinis Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4000 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM71674  Castilleja applegatei subsp. martinii Philip A. Munz, I. M. Johnston 1924-7-27 8726 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  UCR102863  Castilleja exserta A. C. Sanders 1997-4-3 20147 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR116860  Castilleja exserta A. C. Sanders, Steven R. Hill 2001-5-4 24133 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  JEPS10326  Castilleja exserta subsp. exserta W. L. Jepson 1935-4-17 19146 Riverside 1.5 mi n Elsinore 457 Comment
  RSA741067  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12075 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR201646  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12061 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  SEINET6985158  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and about 5 miles southeast of Lake Matthews. Comment
  JEPS13247  Castilleja foliolosa Annie M. Alexander and Louise Kellogg 1941-4-24 2081 Riverside w side Dry Morongo Creek Gorge; Morongo Valley, Dry Morongo Creek Gorge 640 Comment
  POM307282  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2137 Riverside Santa Rosa Mountains. Comment
  SD4814  Castilleja minor subsp. spiralis Evelyn Gray, Mrs. John Frederick Gray 1925-5-8 Riverside Campo to Comment
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Feb 8 2013
  SD167181  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 Riverside Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UC1595597  Caulanthus heterophyllus Steve Boyd, Tim Ross 1990-5-11 4621 Riverside e Dripping Springs campground (base of Agua Tibia Mtn. Vail Lake area, Cleveland National Forest, s of Hwy 79); Cleveland National Forest, Vail Lake Area, base Agua Tibia M 548 Comment
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Mar 13 2008
  UCR174142  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32570 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  POM97125  Caulanthus heterophyllus P. A. Munz 1925-5-20 9825 Riverside 2 miles W of Dripping Spring. 427 Comment
  SBBG87473  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6099 Riverside Corn Spring, Chuckwalla Mtns; T6S R16E S28 487 Comment
  RSA0043378  Caulanthus major John F. Emmel 1996-6-16 1410 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  CLARK-A1528-5724  Ceanothus crassifolius John C. Roos 1948-5-22 3862 Riverside Box Springs Mountains Comment
  UC1071022  Ceanothus crassifolius A. Lewis 1934-5-1 444 Riverside Ortega Hwy Elsinore quad, Cleveland Nat. For. 762 Comment
  UCR135732  Ceanothus greggii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9033 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR26627  Ceanothus integerrimus var. puberulus E. W. Lathrop 1966-5-8 6416 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  CAS-BOT-BC51280  Ceanothus leucodermis R. S. Woglum 1941-6-12 3058 A Riverside Idyllwild Comment
  CAS-BOT-BC51287  Ceanothus leucodermis H. E. McMinn 1925-7-2 1498 Riverside Tahquitz trail - San Jacinto Range Comment
  LA44870  Ceanothus leucodermis W. Pequegnat; 1939-4-8 44 Riverside Santa Ana Mountains Comment
  UCR13726  Ceanothus leucodermis R. S. Woglum 1941-6-12 3053 Ab Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  UCR160061  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR823  Ceanothus leucodermis Robert A. Hawthorne 1957-4-18 s.n. Riverside Peninsular Range, US Hwy 395, 4 miles south of Temecula 366 Comment
  UC1070901  Ceanothus oliganthus var. oliganthus A. Lewis May 1934 412 Riverside Trabuco Canyon Elsinore quad., Cleveland Nat. For. 1371 Comment
  SD136766  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 609 Comment
  RSA0019600  Ceanothus tomentosus J. D. Olmsted 1959-4-12 365 Riverside Turn S for 1 mi on Lincoln from Hwy thru W. Corona, turn W for 0.5 mi on Chase, S at wash onto Oak Flat fire road for 3-4 mi. N. to Santa Ana River drainage. 793 Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  CAS-BOT-BC277063  Centaurea melitensis T. C. Fuller 1964-4-14 11814 Riverside N.W. corner of Washington & La Fonda Sts., La Quinta, Coachella Valley Comment
  RSA500126  Centaurea melitensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3685 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  SEINET269564  Centaurea melitensis Scott D. White 1996-5-27 4076 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and Gilman Spring Road west and 518 Comment
  RSA263732  Centaurea melitensis E. W. Lathrop 1966-5-17 6518 Riverside 4 mi. W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Dr. 1220 Comment
  RSA741180  Centaurium venustum Scott D. White, Justin M. Wood 2008-7-10 12459 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA707577  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD134522  Centromadia pungens subsp. laevis Craig Reiser 1991-4-30 Riverside North of the San Jacinto River, southeast of Lake Perris and the expressway Comment
  SEINET8191759 Image available Centromadia pungens subsp. laevis D. W. Taylor 2003-5-8 18550 Riverside San Jacinto Wildlife Area, Davis Road, 0.5 mile N of Lakeview. 434 Comment
  RSA800232  Centromadia pungens subsp. pungens Justin M. Wood 2010-6-17 2045 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  RSA586862  Cerastium glomeratum D. L. Banks, Steve Boyd 1995-5-3 0281 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR37474  Cerastium glomeratum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  UCR164288  Cercocarpus betuloides S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  CAS-BOT-BC276385  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SBBG99385  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  HSC47599  Chaenactis carphoclinia var. carphoclinia Richard Spjut 1978-5-10 5034 Riverside Colorado Desert; N face of Chuckawalla Mtns. ca. 2.7 miles S of Desert Center 335 Comment
  HSC86932  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mtns. Dillon Rd. and 1000 Palms Oasis Rd. Jct. S of Joshua Tree National Park, parrallel to I-10; 5 miles E of Jct. Dillon Rd and Fargo Canyon Rd. 610 Comment
  RSA775095  Chaenactis fremontii Duncan S. Bell, Amber Swanson 2011-2-18 2035 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCSB33602  Chaenactis fremontii Simmons, Karen 1979-3-25 Riverside Just south of Cottonwood Springs, 30.5 mi. south of White Tank Campground on Pinto Basin Road, Joshua Tree National Monument 152 Comment
  CAS-BOT-BC277412  Chaenactis glabriuscula var. glabriuscula Scott D. White 1996-4-14 3898 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  RSA125546  Chaenactis glabriuscula var. glabriuscula R. Weatherby 1949-5-13 408 Riverside La Sierra district, Arlington 152 Comment
  RSA180441  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1965-5-30 5773 Riverside 6 miles W of Murrieta. Comment
  RSA388507  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  SBBG104646  Chaenactis glabriuscula var. glabriuscula M. A. Patten 1992-5-14 92 -6 Riverside Cherry Valley, just N of Cherry Park Dr, between Mtn View Ave and Beaumont Ave Comment
  UC31026  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-25 1181 Riverside Van Deventer's, El Toro Region San Jacinto Mountains, El Toro Region 1402 Comment
  UCR136001  Chaenactis glabriuscula var. glabriuscula Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  JOTR32350  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2466 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and near Johnny Lang Canyon; Bouldery northeast facing drainage (Stop 1) Comment
  RSA781397  Chaenactis stevioides Duncan S. Bell 2010-5-1 913 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  UCR103591  Chaenactis stevioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2722 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR213271  Chaenactis stevioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37430 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR97750  Chaenactis stevioides Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  POM159842  Chaenactis stevioides var. stevioides E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. Comment
  POM195931  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside East of Desert Center. Comment
  RSA781420  Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  HSC78517  Chamaesyce polycarpa J. C. Roos 1946-10-26 3145 Riverside Chuckwalla Mtns. Comment
  RSA736554  Chamaesyce polycarpa Scott D. White, Angelia Carey 2004-7-2 10579 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA798153  Chamaesyce polycarpa Marc Baker, Michelle Cloud-Hughes 2011-12-18 17504 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SFV10856  Chamaesyce polycarpa M. L. Vincent, R. H. Swade 1963-10-19 455 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  RSA0105839  Chamaesyce serpillifolia Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  JOTR34999  Chamaesyce setiloba La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3101 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA674961A  Cheilanthes clevelandii Scott D. White, Teresa Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR214010  Cheilanthes newberryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37798 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
  UCR281108  Cheilanthes newberryi Mitch Provance, Jeremiah George 2017-3-21 317- 14 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  CAS-BOT-BC68053  Cheilanthes parryi S. B. Parish 1918-3-27 19191 Riverside Colorado Desert - Palm Springs, Tahquitz Canyon Comment
  CAS-BOT-BC70326  Cheilanthes parryi Marcus E. Jones 1925-12-21 s.n. Riverside Andreas Canyon Comment
  RSA615511  Cheilanthes parryi L. C. Wheeler 1952-12-15 7026 Riverside Riverside Mountains: Mountaineer Mine. . Comment
  RSA799252  Cheilanthes parryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 752 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  CAS-BOT-BC70379  Cheilanthes viscida John Thomas Howell 1928-3-11 3421 Riverside wall of Morongo Canyon, n. Colorado Desert 609 Comment
  UCR154743  Chenopodium berlandieri T. B. Salvato, Kent Beaman 2005-5-16 778 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
  UCR281008  Chenopodium berlandieri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 24 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UCR115145  Chenopodium berlandieri var. zschackei Mitch Provance 2000-8-24 2219 Riverside Jurupa Mountains, Pediment of the NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  SEINET244775  Chenopodium californicum A. C. Sanders, D. Malueg 2002-4-8 27911 Riverside Perris-Aguanga Basin; Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NW Murrieta. 396 Comment
  UCR17966  Chenopodium californicum A. C. Sanders 1976-4-20 00278 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  JOTR32465  Chenopodium fremontii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2610 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
  RSA640207  Chenopodium fremontii R. S. Woglum 1937-10-20 1186 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  UCR135725  Chenopodium fremontii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9029 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR115160  Chenopodium missouriense Mitch Provance 2000-10-14 2250 Riverside Jurupa Mountains, Belltown, SW side of Market St (Crestmore Rd.) at Bell Ave. 259 Comment
  UCD84943  Chenopodium murale Chuck Hughes 2010-3-26 215 Riverside About 8.9 miles south of Highway 62. 328 Comment
  UCR230898  Chenopodium murale Dave Silverman, Onkar Singh 2010-3-25 7847 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10 160 Comment
  UCR59671  Chenopodium rubrum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3552 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  SD140129  Chenopodium rubrum A. C. Sanders, O. F. Clarke & C. N. P. S. field trip 1991-10-5 11741 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Dried bed of a pond along a low gradient stream channel. Comment
  CAS-BOT-BC231776  Chilopsis linearis John Thomas Howell 1927-8-1 2880 Riverside Moist bottom of Mission Creek at J Cross K Ranch, n. Colorado Desert 609 Comment
  CAS-BOT-BC231792  Chilopsis linearis Geo. B. Grant 1906-5-1 170 a-6740 Riverside Colorado Desert at Palm Springs Comment
  UCD121656  Chilopsis linearis subsp. arcuata L. S. Rose 1935-12-22 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
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Feb 6 2013
  UCR277700  Chorizanthe Mitch Provance 2012-4-1 412- 37 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  UCSB1332  Chorizanthe brevicornu var. brevicornu Kamb, Peter 1948-4-11 Riverside Aqueduct Road 5 mi east of Carnet, Coachella Valley 304 Comment
  UCR116990  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  RSA500565  Chorizanthe leptotheca Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3605 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR48347  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  POM13242  Chorizanthe parryi var. parryi P. A. Munz, J. M. Johnston 1922-5-19 5359 Riverside 5 miles NE of Murietta. 457 Comment
  UCR139194  Chorizanthe polygonoides var. longispina Virginia Moran 2003-4-23 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 390 Comment
  CAS-BOT-BC257202  Chorizanthe procumbens Alice Eastwood; John Thomas Howell 1937-4-24 3911 Riverside Summit of Santa Ana Mts. above Elsinore Comment
  CAS-BOT-BC246236  Chorizanthe rigida Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13261 Riverside U.S. gypsum mine property in Little Maria Mts., 2.3 mi. above Midland P.O. Comment
  RSA516872  Chorizanthe rigida Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1350 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 and Box Canyon. Comment
  RSA392686  Chorizanthe staticoides N. C. Cooper 1944-6-4 1323 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA543949  Chorizanthe staticoides Steve Boyd, Orlando Mistretta 1991-5-9 6181 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA746811  Chorizanthe staticoides Michael Honer 2003-7-15 1847 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  RSA339659  Chorizanthe watsonii Robert F. Thorne, C. W. Tilforth 1980-5-28 54225 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA339670  Chorizanthe xanti var. leucotheca Robert F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SD178200  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3453 Riverside Base of San Jacinto Mtns on spoil pile. 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct. 534 Comment
  UCSB16204  Chrysolepis sempervirens Barrick, Linda 1963-5-4 Riverside near Black Mountain Public Campground, 7 mi. N of Banning- Idyll- wild Road via Black Mountain Road 2133 Comment
  POM352020  Chrysothamnus paniculatus E. Crow 1928-11-12 88 Riverside Morongo Pass, Colorado Desert Comment
  RSA503356  Chrysothamnus paniculatus S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  UC1184317  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11861 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  SBBG28551  Chylismia claviformis subsp. aurantiaca D. Myrick 1964-4-30 817 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  UC1184378  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11750 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  RSA509545  Cicer arietinum Jim Hitchcock 1989-4-12 s.n Riverside University of California Agricultural Operations Buildings. E of Pennsylvania Ave. Growing (as a weed) next to the buildings. Comment
  UCD130580  Cirsium occidentale var. coulteri E. W. Lathrop 1966-4-27 6210 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  RSA594504  Cirsium vulgare D. L. Banks, Rashmi Pant 1996-5-13 1015 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
  POM8511  Cistanthe monandra P. A. Munz, R. D. Harwood 1920-4-4 3524 Riverside Pass south of Palm Springs. 152 Comment
  RSA772019  Cistanthe monandra Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4951 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
  UCR59226  Clarkia 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
  CAS-BOT-BC172423  Clarkia bottae Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 60 Comment
  RSA263698  Clarkia epilobioides E. W. Lathrop 1969-5-8 7009 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  POM3049  Clarkia purpurea subsp. quadrivulnera H. M. Hall 1901-07 2262 Riverside Fuller Mill s Mountains. 1585 Comment
  RSA192050  Clarkia purpurea subsp. quadrivulnera E. W. Lathrop 1966-6-1 6361 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  RSA752116  Clarkia purpurea subsp. quadrivulnera Scott D. White, Justin M. Wood 2009-5-21 12840 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CAS-BOT-BC164739  Clarkia rhomboidea H. M. Hall 1901-6-1 2270 Riverside In the vicinity of Strawberry Valley 1584 Comment
  UCR268275  Clarkia rhomboidea Jim Andre 2012-6-15 30537 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR16355  Clarkia unguiculata Kirk Taylor 1976-5-29 760529- 10 Riverside Upper Santa Ana River/San Bernardino Valley, Fairmont Park, Houghton Avenue, overlooking south end of Park 244 Comment
  RSA674937  Claytonia parviflora subsp. parviflora Scott D. White, Bill La Haye 2000-5-27 7966 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA552733  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6754 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA585628  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-3-15 0063 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  UC489133  Claytonia parviflora subsp. viridis C. V. Meyer Jun 1927 187 Riverside Saunder's Meadows; San Jacinto Mts. 1676 Comment
  OBI74378  Clematis lasiantha David J. Keil 1983-4-15 16900 Riverside E of Temecula on SR 79 Comment
  CLARK-A1528-3852  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  RSA585795  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-5-9 422 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  JOTR31071  Coleogyne ramosissima La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2334 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  SDSU9011  Coleogyne ramosissima Joan Godsil 1953-1-18 552 Riverside Joshua National Monument, 29 Palms to Cottonwood Springs Hwy. 1099 Comment
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Jan 24 2013
  UC1281118  Coleogyne ramosissima H. E. McMinn 1937-3-5 4491 Riverside ne part Cottonwood Mts. Comment
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UC2016491  Collinsia Richard Olmstead 1986-6-8 802 Riverside Growing in small moist draw in chaparral along Hwy. 243, ca. 1.1 miles north of Mountain Center. Comment
  UC1563032  Collinsia concolor Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3170 D Riverside just sw Vail Lake dam (recent burn in hills); Vail Lake area 487 Comment
  UCR122521  Collinsia concolor George K. Helmkamp, E. A. Helmkamp 2001-5-20 6663 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR193369  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35635 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR195133  Collinsia concolor A. C. Sanders, Tim Thomas 2008-8-1 35961 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  CAS-BOT-BC52500  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside North of Mecca-Blythe road, in canyons at southeastern end of Eagle Mts. Comment
  HSC47472  Colubrina californica Richard Spjut 1978-5-17 5041 Riverside N face of Chuckawalla Mts., 2.7 mi. S of Desert Center. 335 Comment
  SD257165  Conium maculatum Dave Goodward 2016-7-30 716 1 Riverside San Jacinto Mountains: Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River (Idyllwild 7.5'Q) 1327 Comment
  RSA618422  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, at the intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  HSC86915  Conyza bonariensis Steve Myers 1988-2-1 Riverside Boulder Springs Development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 Comment
  RSA588187  Conyza bonariensis D. L. Banks, Victor Steinmann 1995-7-10 0752 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA289854  Conyza canadensis B. A. Prigge 1980-9-16 4048 Riverside Coachella Valley Stormwater Channel; W of Munroe St. Indio 0 Comment
  UCR110414  Conyza floribunda A. C. Sanders, Mitch Provance, T. B. Salvato, O. F. Clarke 1999-10-5 23134 Riverside Peninsular Range, Riverside, new O.F. Clarke residence on Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  SEINET4676266  Cordylanthus filifolius Steve Boyd, Tim Ross 1992-6-10 7644 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido,' an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. Southeast side of potrero.; 0 671 Comment
  CAS-BOT-BC287878  Coreopsis californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  CAS-BOT-BC287882  Coreopsis californica A. C. Sanders; K. Rose 1995-4-5 16357 Riverside San Bernardino Mts/Coachella Valley: S of Mission Creek and E of Highway 62 700 Comment
  POM6544  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2388 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA757466  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55210 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  SDSU16682  Crassula connata Francis H. Bozzolo 2006-4-16 8 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. SE side of dirt road ca. 1m from road edge. 360 Comment
  UCR111585  Crassula connata Mitch Provance 1999-5-4 1689 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC226243  Crassula tillaea A. C. Sanders 2011-4-7 39026 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR199918  Cressa truxillensis Scott D. White, Justin Wood 2008-4-15 11875 Riverside Perris Valley, Interstate 215, Perris, between Nuevo Rd and Scott Rd. 535 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
  UC284252  Crocanthemum aldersonii P. A. Munz 1923-6-14 7054 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  RSA85074  Crossosoma bigelovii F. W. Peirson 1933-4-15 10653 Riverside Whitewater River E of Cabezon, 4.5 mi. up stream from Hwy. 701 Comment
  SFV7303  Crossosoma bigelovii T. Gordon, K. Kimbrough, P. McDonald 1975-3-2 810 Riverside San Bernardino Mountains Whitewater Canyon. 762 Comment
  UC11993  Crossosoma bigelovii S. B. Parish Apr 4 1896-Apr 13 1896 4105 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  SEINET7063231  Croton californicus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  SFV11883  Croton californicus R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCD141985  Croton californicus G. L. Webster; R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, above Aguanga. 640 Comment
  SDSU13010  Croton setiger Michael G. Simpson 1999-10-27 2055 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  UCR159198  Croton setiger A. C. Sanders, Kelly Volansky 2005-8-31 31596 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA522096  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  POM118685  Cryptantha angustifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  RSA615343  Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-2-18 2706 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA731021  Cryptantha angustifolia Michael Wall 2008-4-26 455 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  UC857062  Cryptantha angustifolia Ira L. Wiggins 1937-3-9 8754 Riverside 5 mi w Shaver's Well Comment
  UC857070  Cryptantha barbigera Milo S. Baker 1928-4-3 2776 b Riverside Palm Canyon Comment
  UCR88115  Cryptantha barbigera A. C. Sanders, G. Nuhn 1995-4-20 16595 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  SEINET10455562  Cryptantha barbigera A. K. Evans 1976-4-13 Evans 5186 Riverside Rocky slopes of Santa Rosa mountains. Comment
  JOTR33979  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding 2010-4-7 2867 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR177938  Cryptantha clevelandii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 527 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SD260222  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr. 2014-4-22 7885 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon. 481 Comment
  SEINET3830323  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-1 10435 Riverside BLM. Ca 5 miles west of Blythe, south of I-10 and north of the transmission line. 142 Comment
  RSA0078964  Cryptantha cycloptera Theo Glenn 1992-3-31 92 -8 Riverside Colorado Desert. North side Of Eagle Mountains, Storm Jade Mine. Comment
  POM368240  Cryptantha holoptera M. B. Dunkle 1933-5-6 3436 Riverside Painted Canyon Comment
  CLARK-A1045-329  Cryptantha intermedia George K. Helmkamp 1977-3-20 Riverside Cabazon dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  HSC86868  Cryptantha intermedia Dave Hawks 1988-4-2 Riverside Tule Creek drainage, 1.75 mi. NE of Aguanga, SE of intersection of Dove and Sycamore Sts., S of Hwy. 371 762 Comment
  RSA586810  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-3 247 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA798546  Cryptantha intermedia R. F. Thorne, E. W. Lathrop 1977-5-18 49752 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  SEINET3084404 Image available Cryptantha intermedia Clifford Kishi 1972-5-14 720514 -35 Riverside San Jacinto Mts, 1 mile from Lake Hemet Reservoir along Herkey Canyon Rd. 610 Comment
  UC857163  Cryptantha intermedia Mary F. Spencer 1992-4-23 2063 Riverside near Banning; Millard Canyon 716 Comment
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Mar 13 2011
  UCR176893  Cryptantha intermedia Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  SDSU21781  Cryptantha juniperensis Mitch Provance 6532 Riverside San Bernardino Valley: Rialto, Colton Dune System, N side of Slover Ave. between Pepper Ave. and the tank farm (ca. 0.5 mi. W of Pepper Ave.) 320 Comment
  JOTR29358  Cryptantha maritima La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1435 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  RSA0014315  Cryptantha maritima Justin M. Wood, J. Miner 2010-4-30 1549 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA0124381  Cryptantha maritima Duncan S. Bell, LeRoy Gross 2016-3-31 9195 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  POM126211  Cryptantha micrantha E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  UC1241172  Cryptantha micrantha Peter H. Raven 1959-5-18 14241 Riverside Lake Fulmor Comment
  UCSB10422  Cryptantha micrantha Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 Comment
  SEINET12280852  Cryptantha micrantha Unknown 1936-1 12847 Riverside Colorado Desert 5 mi N of Palm Springs Comment
  UCR25966  Cryptantha micrantha var. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mtns, junction of Dark Canyon Camp Road with the Idyllwild - Banning Road 1773 Comment
  JOTR28753  Cryptantha micrantha var. micrantha La Doux, Tasha, Bill Truesdell 2004-3-11 1034 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  IRVC26262  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  UCR104886  Cryptantha microstachys A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20647 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
  UCR115432  Cryptantha microstachys Scott D. White, D. E. Bramlet 1999-4-22 7244 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UC24692  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR135722  Cryptantha muricata Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9028 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA0011415  Cryptantha muricata var. jonesii Duncan S. Bell, Caitlin Elam 2013-5-21 4969 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  RSA0079442  Cryptantha muricata var. jonesii LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA0106708  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  RSA778236  Cryptantha nevadensis Duncan S. Bell 2009-3-8 41 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR135709  Cryptantha pterocarya var. purpusii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9027 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA0079492  Cryptantha pterocarya var. stenoloba Duncan S. Bell 2011-4-7 2177 A Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  RSA0126639  Cryptantha utahensis Duncan S. Bell 2016-3-4 8798 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  JEPS42629  Cucurbita foetidissima W. L. Jepson 1901-5-31 1569 Riverside Temescal Wash near Elsinore; Temescal Wash 335 Comment
  UC303421  Cucurbita palmata I. M. Johnston 1918-5-30 1999 Riverside between Perris and Elsinore 579 Comment
  CDA39910  Cuscuta californica var. californica R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mountains; Cleveland National Forest, Trabuco District. 0 Comment
  CAS-BOT-BC224592  Cuscuta californica var. papillosa S. B. Parish 1896-4-1 4130 Riverside Palm Springs, Colorado Desert Comment
  RSA653582  Cuscuta campestris A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  RSA640955  Cuscuta ceanothi R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
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May 16 2016
  SD181582  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Corona, near Bedford Cyn, dissected alluvial slope, foothills at eastern slope of Santa Ana Mtns, 'Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. USGS 7.5' corona South quad. 334 Comment
  SEINET9037749 Image available Cylindropuntia californica var. parkeri M. A. Baker, Chris Taylor 2015-1 18367 Riverside The Badlands, 2.3km SSE of the intersection of San Timoteo Road and Redlands Blvd., 28km ENE of Riverside, 0.6km south of San Timoteo Wash 573 Comment
  SEINET4560613  Cynanchum utahense Duncan S. Bell 2009-1 273 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA0029198  Cynanchum utahense John F. Emmel 1997-10-20 1532 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  UCR37438  Cynodon dactylon Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  SDSU13536  Cyperus eragrostis W. Miller with C. Mosse 1972-7-20 Riverside 1/3 mi. upriver from beaver dam. Comment
  SEINET3910348  Cyperus involucratus Robert F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains: tahquitz Falls, Tahquitz Canyon.; 0 Comment
  RSA736649  Cyperus odoratus Justin M. Wood 2008-7-16 37 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR125280  Cyperus odoratus A. C. Sanders 2002-11-21 25652 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR77750  Cyperus odoratus Steve Boyd 1991-7-13 6409 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  SEINET12155980  Dalea emoryi L. S. Rose 1936-1 36789 Riverside Palm Springs 139 Comment
  SBBG3313  Dalea mollis H. and M. Dearing 1936-12-25 794 Riverside ca. 10 mi S Indio Comment
  UC1922904  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land NorthEast of the I-10 Freeway interchange at Jefferson. (Myoma, La Quinta) Comment
  RSA498347  Dalea mollis Albert J. Perkins 1914-05 s.n Riverside Riverside vicinity Comment
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Sep 3 2011
  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
  RSA718568  Dalea mollissima Michael Honer, L. Hulse 2004-4-2 1887 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CAS-BOT-BC283039  Dasyochloa pulchella H. S. Yates 1937-3-24 6454 Riverside Deep Canyon, Coachella Valley 457 Comment
  SD11890  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Santa Rosa Mts, near Santa Rosa 1830 Comment
  UCR244889  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40406 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  SBBG87690  Datura stramonium S. Boyd 1987-10-10 2093 Riverside N Main St just S of Santa Ana River; City of Riverside Comment
  UC1563109  Deinandra kelloggii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3673 Riverside below the dam Temecula Creek Canyon; Vail Lake Area 457 Comment
  UCD131081  Deinandra kelloggii Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range. Wilson Valley Mitigation Bank (Center for Natural Lands Management), northeast of Wilson Valley Road and West of Wilson Creek. 854 Comment
  RSA675713  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  CAS-BOT-BC131035  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  SD234298  Deinandra paniculata R. E. Jr. Riefner 2006-9-19 06 444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  RSA192353  Delphinium cardinale H. A. Zuill 1966-6-16 221 Riverside Road to Fisherman's Camp in Tenaja Canyon about 12 miles SW of Murrieta. Comment
  UCSB1981  Delphinium parishii subsp. parishii Graney, Don 1953-3-20 Riverside one mile up White Water Canyon Comment
  CAS-BOT-BC121431  Delphinium parryi subsp. parryi Philip Alexander Munz; Street; Williams 1919-5-28 105739 Riverside San Gorgonio Pass near Banning 701 Comment
  RSA0069759  Delphinium parryi subsp. parryi Debra Nelson, James Hughes 2015-5-29 s.n. Riverside San Jacinto Ranger District. San Bernardino National Forest. Near Cahuilla Mountain. Comment
  CSUSB1233  Dendromecon rigida Ronald H. Sauer 1965-5-3 Riverside On road side 2.8 miles from the Orange County-Riverside County line on Chase Drive. 365 Comment
  RSA586332  Dendromecon rigida subsp. rigida D. L. Banks, S. D. Boyd 1995-5-3 197 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
  RSA66258  Dendromecon rigida subsp. rigida F. W. Peirson 1924-7-29 5025 Riverside Road between Banning and Idyllwild. 1768 Comment
  CAS-BOT-BC43352  Descurainia pinnata subsp. glabra Geo. B. Grant 1906-4-20 6767 Riverside Palm Springs. Comment
  POM198000  Descurainia pinnata subsp. halictorum Joseph A. Ewan 1932-4-8 7031 Riverside Seven Palms near Garnet Comment
  CAS-BOT-BC402292  Dicentra chrysantha T. Winfield 1975-4-27 2365 Riverside Snow Ck Rd ~3 mi from Hiway 111 Comment
  CAS-BOT-BC500850  Dichelostemma capitatum Marian L. Campbell 1921-3-18 51 Riverside Banning Comment
  RSA367526  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  SEINET3885714  Dichelostemma pulchellum Steve Boyd, Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-1 4013 Riverside Vail Lake area, lower slopes of Aqua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta.; 0 488 Comment
  RSA208915  Dichelostemma pulchellum var. pulchellum Robert L. Rutherford 267 Riverside Banning. Comment
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Mar 21 2011
  RSA501036  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3157 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292189  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside Whitewater Wash along Snow Creek Road near State Highway 111 350 Comment
  CLARK-A1528-1795  Dicoria canescens John C. Roos 1943-10-17 2744 Riverside Dry Morongo Wash Comment
  POM356426  Dicoria canescens H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
  RSA709117  Dicoria canescens Scott D. White, Justin M. Wood 2005-10-4 11237 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UC402678  Dicoria canescens Mrs. L. S. Masters 1901-6-20 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UC893553  Dieteria asteroides var. asteroides I. W. Clokey and E. G. Anderson 1935-4-6 6990 Riverside Hemet 600 Comment
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Mar 24 2011
  CAS-BOT-BC209014  Digitaria sanguinalis Mary F. Spencer 1919-7-6 1265 Riverside Lacquitz Meadow, San Jacinto Mts. 2377 Comment
  UCR111547  Dimorphotheca sinuata Mitch Provance 1999-5-4 1697 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC167078  Diplacus brevipes Wayne Law; Jun Hu 2000-5-16 15 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  RSA0016051  Diplacus brevipes P. A. Munz, I. M. Johnston 1922-5-20 5498 Riverside 2 mi. below Kenworthy, Thomas Valley. 1372 Comment
  CAS-BOT-BC153097  Diplacus fremontii John Thomas Howell 1927-8-2 2919 Riverside Near Idyllwild on road to Keen Camp, Mt. San Jacinto 1676 Comment
  SBBG97162  Diplacus puniceus W. L. Halvorson 1977-4-1 77 -218 Riverside 5 mi S of Temecula on County Rd S16 Comment
  SD233787  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, UCR Botanical Garden, near the west fence above the Latin American section (Riverside East 7.5' Q). Disturbed edge of dirt path. 366 Comment
  POM87244  Ditaxis claryana Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA421607  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA776962  Ditaxis lanceolata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 912 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR214162  Ditaxis lanceolata T. B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  JOTR33806  Ditaxis neomexicana La Doux, Tasha, B. Truesdell 2007-11-9 3304 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP2) 601 Comment
  RSA608168  Ditaxis neomexicana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10054 A Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR157438  Ditaxis neomexicana George K. Helmkamp 1998-4-4 3180 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  VVC2111  Ditaxis neomexicana Tim Thomas 2012-8-23 5870 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  UCD142317  Ditaxis serrata Robert F. Thorne; Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54018 Riverside San Bernardino Mts.; at mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 414 Comment
  RSA3977  Dithyrea californica C. B. Wolf 1932-4-29 3115 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  SEINET3105562  Dithyrea californica Faulkner 1978-3-20 331 Riverside Near Big Maria Mountains, 1 mile west of Colorado River. 152 Comment
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Sep 9 2013
  RSA574741  Dodecahema leptoceras Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon, along Indian Wash, S of Di Palma Road and I-15. 366 Comment
  CAS-BOT-BC136107  Dodecatheon alpinum H. M. Hall 1901-7-1 2348 Riverside Tahquitz [Tauquitz] Valley - San Jacinto Mountains 2499 Comment
  RSA574736  Dodecatheon clevelandii Steve Boyd 1981-3-2 s.n. Riverside Gavilan Hills region, summit of Estelle Mountain near site of old fire lookout. 823 Comment
  SEINET8561429  Dodecatheon clevelandii H. M. Hall 1902-4-4 2963 Riverside Vicinity of Riverside, in the Sonoran Zone. 366 Comment
  LA204322  Draba corrugata Martha Hilend; 1928-8-7 sn Riverside Summit- San Jacinto Peak Comment
  UC1536961  Draba cuneifolia Gordon H. True Jr. 1935-2-20 4 Riverside bottom of Sycamore Canyon , Box Springs 365 Comment
  UCR97294  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4120 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  RSA530890  Draba saxosa I. M. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto. 3288 Comment
  RSA562487  Drymocallis glandulosa Steve D. Boyd, Tim S. Ross 1992-5-5 7249 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  POM20030  Drymocallis glandulosa var. reflexa Mary F. Spencer 1923-06 2198 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA0018442  Drymocallis lactea var. lactea J. D. Olmsted 1959-7-1 714 Riverside Wellman's Cienega between saddle and San Jacinto Peak along trail near stream crossing; 4.5 mi. NE of Idyllwild. San Jacinto Mountains, Willow-Tahquitz drainage area. 2805 Comment
  RSA0123092  Dudleya cymosa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8989 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
  UCR241631  Dudleya lanceolata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 378 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, below mouth of Lion Canyon along the road toward the canyon from Deep Creek Rd. 569 Comment
  POM265678  Dudleya saxosa subsp. aloides J. C. Roos 1937-4-18 1284 Riverside Near Cabazon. Comment
  POM311207  Dudleya saxosa subsp. aloides Karen Hosterman 1957-3-27 944 Riverside 1/2 mi. up Whitewater Canyon. Comment
  RSA6659  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 4536 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  SD45430  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater 455 Comment
  UCR272826  Dudleya saxosa subsp. aloides Mitch Provance, Justin E. Smith 2015-7-22 715- 01 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  SEINET3071816  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17500 Riverside Queen Mountain quadrangle, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  CAS-BOT-BC227218  Echinochloa colona A. C. Sanders 2011-9-15 39893 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
  RSA11655  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-21 5546 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  RSA198949  Elatine californica R. F. Thorne, E. W. Lathrop, P. A. Munz 1968-5-8 37560 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  RSA593897  Elatine chilensis Steve Boyd, Dave Bramlet 1996-4-19 8610 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
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA615065  Eleocharis geniculata A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity., 33 deg 30.16 N, 115 deg 49.9 W -30 Comment
  UCR110916  Eleocharis macrostachya A. C. Sanders, K. C. Rose 1999-6-18 22818 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR154935  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA535399  Eleocharis palustris Steve Boyd 1986-5-1 1784 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  POM250495  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake. 1320 Comment
  SD233693  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons. Disturbed drainaage channels. 366 Comment
  LA102170  Elymus condensatus John C. Roos; 1963-8-10 sn Riverside Blythe Comment
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Mar 10 2014
  UCD61905  Elymus glaucus A. A. Beetle 1946-6-10 4389 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  RSA500540  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-6-4 3612 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA770311  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4401 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR84597  Emmenanthe penduliflora Scott D. White, S. Ogg 1994-4-21 1964 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JOTR30211  Emmenanthe penduliflora var. penduliflora Leary, Pat 1974-3-17 334 Riverside In wash area 0.5 mi West of junction of U.S. 60 and CA State Hwy 195 near southern end of Joshua Tree National Monument; T6S R11E sec 14. NOT IN JOSHUA TREE NATIONAL PARK. 472 Comment
  JOTR30979  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1956 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  SBBG37505  Emmenanthe penduliflora var. penduliflora R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  RSA0120006  Encelia actoni Duncan S. Bell, Thomas Stoughton 2016-4-13 9259 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  SD144051  Encelia actoni Scott D. White 1997-5-25 5225 Riverside Bautista Canyon: Along Bautista Cyn Rd., < 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43). Comment
  UCR133384  Encelia actoni Mitch Provance, J. S. Ross 1998-3-27 MOR- 1000 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  LA34769  Encelia farinosa Mary V. Hood; 1942-6-13 42- 46 k* Riverside road from Temecula to Aguanga 426 Comment
  UCR120933  Encelia farinosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24933 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  POM356697  Encelia farinosa var. farinosa A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  RSA502918  Encelia farinosa var. farinosa Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  JOTR34054  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  UCR262468  Enchylaena tomentosa A. C. Sanders, Richard Block 2015-7-4 41746 Riverside Peninsular Range, Riverside, R. & J. Block residence on Two Trees Rd. in Belvedere Heights neighborhood 396 Comment
  JOTR32656  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
  LA6769  Ephedra californica J. A. Ewan; 1932-4-8 7047 Riverside San Bernardino Mountains, Whitewater Canyon, about 3 mi above mouth Comment
  NY70115  Ephedra californica M. C. Ferguson 1917-4-4 s.n. Riverside Colorado Desert: White Water Comment
  UCR167070  Ephedra californica Scott D. White 2005-3-29 10841 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  JOTR29448  Ephedra nevadensis La Doux, Tasha, Mike Bell 2006-3-8 1346 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  JOTR35307  Ephedra nevadensis Andre, Jim 2012-4-11 20808 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
  RSA0092841  Ephedra nevadensis J. Andre 2012-4-11 20808 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr.. 956 Comment
  CAS-BOT-BC81859  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  NY70651  Ephedra trifurca E. J. Neese 1979-4-11 7108 Riverside Ca. 3 miles south of Rue, ca. 40 miles northwest of Blythe Comment
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Mar 3 2013
  UCR274797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-4-30 068 B Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, at the bottom of Rice Valley, c. 2 miles south of Hwy 62, south of the RR tracks 243 Comment
  UCR110391  Epilobium brachycarpum A. C. Sanders, Mitch Provance 1999-9-26 23085 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
  UC218077  Epilobium campestre P. A. Munz and I. M. Johnston 1922-5-19 5368 Riverside Menifee Valley 426 Comment
  UCR41346  Epilobium canum subsp. latifolium N. M. Fellows 1984-11-12 23 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  RSA448475  Epilobium ciliatum Louis C. Wheeler 1932-7-9 928 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC20048  Epilobium ciliatum subsp. ciliatum H. M. Hall August, 1901 2589 Riverside Tamarack Valley San Jacinto Mountains (in meadows or along creeks) 2499 Comment
  JEPS64367  Epipactis gigantea Marjorie Clary 1931-3-29 2 Riverside Coachella Valley Santa Rosa Mts. (desert wash of mts.) 152 Comment
  POM312132  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Canyon. 366 Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC218660  Equisetum laevigatum P. A. Munz and I. M. Johnston 1922-5-21 5515 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  UCR176681  Eragrostis G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  RSA737222  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR2383  Eragrostis cilianensis F. M. Reed 1927-10-25 5520 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  CHSC8312  Eremothera boothii subsp. alyssoides Edward L. Smith 1958-3-21 375 Riverside Plant found 6 mi. of Rice, near Priests Well. Little Santa Maria Mtns. 365 Comment
  SBBG60442  Eremothera boothii subsp. condensata R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UC1186516  Eremothera boothii subsp. condensata E. G. Linsley and J. W. MacSwain 1960-3-2 60 -4 Riverside twenty mi e Desert Center Comment
  UC873994  Eremothera boothii subsp. condensata C. L. Hitchcock 1940-4-4 5954 Riverside Pinto Basin Comment
  JEPS25984  Eremothera chamaenerioides P. A. Munz and D. Keck Apr 9 1922-Apr 22 1922 4853 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  JEPS31751  Eremothera refracta W. L. Jepson 1928-4-23 12558 a Riverside n Mecca; Cottonwood Mts., Cottonwood Spr. 518 Comment
  OBI66290  Eremothera refracta LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region: Corn Springs campground in the Chuckwalla Mts, Cyn SW of campground 480 Comment
  JOTR29151  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1228 Riverside Joshua Tree National Park. Eureka Peak Comment
  UCR268288  Eriastrum densifolium subsp. austromontanum Jim Andre 2012-6-15 30534 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA0123352  Eriastrum diffusum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9052 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
  RSA0119726  Eriastrum diffusum subsp. diffusum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 957 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  JOTR32374  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2485 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UC73654  Eriastrum eremicum subsp. eremicum M. F. Gilman 1904-1 21 Riverside Banning Comment
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Mar 13 2011
  UC998336  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside corner of Indian Ave and Ramon Road; Palm Springs Comment
  RSA0120070  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1903-5-10 10252 Riverside Palm Spring. 61 Comment
  SDSU21597  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Arica Mountains: northwest of mountain range, ca. 8.6 air miles west of the ghost town of Rice, and ca. 6.8 air miles northwest of Priests Well. 286 Comment
  UC1563125  Eriastrum sapphirinum Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3533 Riverside recent burn in hills just sw dam; Vail Lake area 487 Comment
  UC449833  Eriastrum sapphirinum I. J. Condit May 1926 Riverside Rubidoux Comment
  UCR174561  Eriastrum sapphirinum Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  RSA0121574  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA0121561  Eriastrum sapphirinum subsp. dasyanthum Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  CAS-BOT-BC515041  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-8-1 2635 Riverside San Jacinto Mts., south side 1584 Comment
  LA204642  Ericameria nauseosa H. Lewis; 1939-10-22 1035 Riverside San Jacinto Mountains, Hemet Lake Comment
  UC218156  Ericameria nauseosa var. bernardina P. A. Munz 1922-9-7 6404 Riverside San Jacinto Mts., Tamarack Valley 2865 Comment
  JEPS19267  Ericameria paniculata Marjorie D. Clary 1932-12-18 1742 Riverside Clemens Well Colorado Desert, Orocopia Mts. 243 Comment
  UC640280  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside e of Banning (w edge of Colorado Desert); Colorado Desert Comment
  CAS-BOT-BC131643  Ericameria parishii var. parishii Edmund C. Jaeger 1920-4-9 s.n. Riverside Snow Creek, Colorado Desert 914 Comment
  SD115000  Ericameria parishii var. parishii Earl W. Lathrop 1979-6-19 7506 Riverside Cleveland National Forest, Trabuco District, Bedford Truck Trail, Southwest slope Pleasants Peak. 3.5 miles northwest Junction Eagle Pass Tr. 945 Comment
  CAS-BOT-BC293094  Ericameria pinifolia Lewis S. Rose 1946-12-24 46309 Riverside 2 mi. s. of Banning 762 Comment
  RSA614268  Ericameria pinifolia A. C. Sanders 1997-11-14 21604 Riverside San Bernardino Mtns: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
  RSA0120443  Erigeron divergens Duncan S. Bell, LeRoy Gross 2016-5-18 9601 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  UCR101806  Erigeron foliosus George K. Helmkamp, E. A. Helmkamp 1998-8-17 4438 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  CAS-BOT-BC296242  Erigeron foliosus var. foliosus Mary F. Spencer 1919-6-19 1201 Riverside San Jacinto Mts. 1615 Comment
  SBBG133408  Erigeron foliosus var. foliosus S. D. White 2004-4-26 10243 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Crk Watershed 518 Comment
  SBBG89038  Erigeron foliosus var. foliosus B. Pitzer, K. Kirtland 1986-5-20 228 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  UCR21955  Erigeron foliosus var. foliosus Steve Boyd 1980-6-4 317 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR26265  Eriochloa contracta John C. Roos 1963-8-10 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley, Blythe 82 Comment
  RSA0098333  Eriodictyon trichocalyx Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet, Stephen Meyers 2015-4-10 18309 Riverside South side of the San Gorgonio River, 2 km north of Banning, south base of the San Bernardino Mountains, 52 km east of Riverside. 788 Comment
  RSA510043  Eriodictyon trichocalyx B. Pitzer, H. Pitzer, J. Hall 1987-4-23 571 Riverside Whitewater Canyon, from N edge of Fish Hatchery to 0.5 miles N of It, 5.5 miles N of I-10 on Whitewater Canyon road. 732 Comment
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Jan 14 2010
  JOTR16711  Eriodictyon trichocalyx var. trichocalyx Hogan, J. 1974-6-24 77 Riverside Joshua Tree National Park. 1.5 MILES WEST OF EUREKA PEAK 1554 Comment
  CAS-BOT-BC248618  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  CAS-BOT-BC248634  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along the trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mts. Comment
  CLARK-A1528-5716  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  SD1298  Eriogonum apiculatum Florence Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  UCR139099  Eriogonum deflexum B. G. Pitzer 1989-4-16 1302 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR148048  Eriogonum deflexum Steve Boyd, Et al. 2004-5-14 11288 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR139640  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2004-6-30 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR235219  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, John F. Green 2012-6-1 40240 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  CAS-BOT-BC249898  Eriogonum fasciculatum var. flavoviride Annie M. Alexander; Louise Kellogg 1941-5-15 2190 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  POM11901  Eriogonum fasciculatum var. flavoviride P. A. Munz, D. D. Keck 1922-4-13 4949 Riverside Eagle Mountains. 244 Comment
  UCD99982  Eriogonum fasciculatum var. flavoviride William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  HSC17274  Eriogonum fasciculatum var. foliolosum D. W. Snell 1964-3-26 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet Comment
  POM50380  Eriogonum fasciculatum var. foliolosum W. W. Eggleston 1924-3-8 19528 Riverside Hemet. 480 Comment
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Mar 24 2011
  CAS-BOT-BC250129  Eriogonum fasciculatum var. polifolium Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  LA206788  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA78791  Eriogonum fasciculatum var. polifolium Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17266 Riverside 3 mi. S along banning to Idyllwild. 915 Comment
  UC56792  Eriogonum fasciculatum var. polifolium W. L. Jepson May 17 1901-Jun 1 1901 1338 Riverside East base San Jacinto Mt. San Jacinto Mt. 914 Comment
  CAS-BOT-BC253487  Eriogonum gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon, sandy benches in canyon bottom at the confluence with Bluewataer Canyon, Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest 304 Comment
  UCR260567  Eriogonum gracile T. B. Salvato 2014-5-29 8035 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR92266  Eriogonum gracile var. gracile Scott D. White, M. A. Patten 1995-8-16 3542 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCR278874  Eriogonum gracile var. incultum Mitch Provance 2012-7-14 712- 22 Riverside San Gorgonio Pass, Banning, remnant of Montgomery Creek, N side of Westward Ave, between Lovell St. and April Ln. 716 Comment
  RSA701167  Eriogonum inflatum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11230 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
  UCSB8541  Eriogonum inflatum Beeks, Richard 1952-4-5 Riverside 2.15 mi W of jct of US 60-US 70 and US 95 Comment
  POM122054  Eriogonum inflatum var. deflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA393584  Eriogonum inflatum var. inflatum Grinnell s.n. Riverside Andreas Canon Comment
  SBBG128  Eriogonum molestum R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1219 Comment
  OBI11013  Eriogonum nodosum var. jaegeri Robert F. Hoover 1966-10-15 10177 Riverside Bighorn Dr, San Jacinto Mts Comment
  RSA761156  Eriogonum nudum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 687 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA520944  Eriogonum nudum var. pauciflorum Steve Boyd, Dave Bramlet 1988-10-8 2867 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA761996  Eriogonum nudum var. pauciflorum Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR33715  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1003 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  RSA698443  Eriogonum plumatella J. R. Bruff 1929-11-29 432 Riverside Split Rock.- Colo Desert. Comment
  JOTR34159  Eriogonum pusillum Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 116 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  CAS-BOT-BC263522  Eriogonum thomasii K. L. Chambers 1973-3-19 3620 Riverside Cottonwood Pass Road at s. border of Joshua Tree Natl. Mon., 1.0 miles n. of junction with Highway 60 Comment
  CAS-BOT-BC263525  Eriogonum thomasii P. C. Everett; E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy. 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy. 99 121 Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  RSA779729  Eriogonum thomasii Duncan S. Bell 2009-3-8 97 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  UC634999  Eriogonum thomasii H. L. Mason 1928-3-10 4190 Riverside White Water River Comment
  UCR41912  Eriogonum thomasii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6064 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  CHSC110677  Eriogonum thurberi Dean Wm. Taylor 2003-5-6 18517 Riverside Wash of the San Gorgonia River ca. 1 miles south of the intersection of Highway 111 with Interstate 10. 365 Comment
  UCD101296  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3681 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent sedimentary hills to E. 487 Comment
  UCR160283  Eriogonum thurberi A. C. Sanders 1990-5-21 10022 Riverside San Jacinto Valley, Sanderson Ave. near Gilman Springs Rd., NW of San Jacinto 457 Comment
  JOTR35361  Eriogonum trichopes Harding, Mitzi, M. Wheeler 2011-1-26 145 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  UCR275140  Eriogonum trichopes Aaron C. Sedgwick, David Fraker 2012-4-24 002 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 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
  CLARK-A1528-1837  Eriophyllum confertiflorum John C. Roos 1948-5-1 3811 Riverside Whitewater 548 Comment
  SDSU13541  Eriophyllum confertiflorum var. confertiflorum W. Miller, C. Mosse 1972-7-5 Riverside Comment
  CLARK-A1528-1841  Eriophyllum multicaule John C. Roos 1952-5-19 5960 Riverside Moreno 502 Comment
  CLARK-A1528-5321  Eriophyllum multicaule John C. Roos 1940-5-4 882 Riverside Reche Canyon Comment
  POM358077  Eriophyllum multicaule E. Crow 1929-04 337 Riverside N of Alberhill. Comment
  RSA599410  Eriophyllum multicaule R. E. Riefner 1997-3-18 s.n. Riverside Bull Canyon, E of El Toro Road between Lindell and Vista road. Comment
  UCR126441  Eriophyllum multicaule T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 69 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  JOTR32130  Eriophyllum pringlei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2286 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  POM358156  Eriophyllum wallacei Ora M. Clark 1929-2-23 1556 Riverside North of Whitewater Comment
  RSA49390  Eriophyllum wallacei P. A. Munz 1949-4-11 13023 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA612826  Erodium botrys D. L. Banks 1997-3-1 1343 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
  SBBG92109  Erodium brachycarpum J. Hirshberg 1989-4-3 Riverside S of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  UCR37471  Erodium brachycarpum Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  CHSC114145  Erodium cicutarium Dave Silverman; Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of E. Westward Ave. S end of gravel pit. UTM Zone 11 0514495 E 3752752N. NE1/4 of Sec 14. 628 Comment
  SBBG99347  Erodium cicutarium W. L. Halvorson 1977-4-1 77 -230 Riverside Corona Comment
  UC1523678  Eryngium aristulatum var. parishii Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60649 Riverside s. side Mesa de Colorado (Santa Rosa Plateau); , Mesa de Colorado 625 Comment
  RSA651370  Erysimum capitatum Richard Clark 1969-5-24 s.n. Riverside Lk. Filmore; Palms to Pines Hwy. Comment
  UC455744  Erysimum capitatum I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2743 Comment
  POM307278  Erysimum capitatum var. capitatum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2141 Riverside Santa Rosa Mountains. Comment
  RSA220981  Erysimum capitatum var. capitatum E. W. Lathrop 1966-5-8 6400 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA0014876  Erythranthe floribunda J. D. Olmsted 1959-4-18 423 Riverside 3 miles N of Elsinore on Hwy 71 in weedy area on east side of road. Base of Santa Ana Mountains. Drainage to Santa Ana River. 335 Comment
  RSA0018797  Erythranthe guttata N. C. Cooper 1944-5-21 1286 Riverside San Jacinto Mountains, West side 915 Comment
  SEINET13732455 Image available Erythranthe palmeri Victor Duran 1932-1 3220 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  JOTR30806  Eschscholzia La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1748 Riverside Joshua Tree National Park. Stop # 4 =Northwest end of Eagle mountains, near road leading to Cottonwood Canyon. 910 Comment
  JOTR33974  Eschscholzia La Doux, Tasha, M. Harding 2010-4-7 2862 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR89834  Eschscholzia caespitosa Scott D. White 1993-5-27 1431 A Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UC118513  Eschscholzia californica Charlotte M. Wilder June, 1905 654 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UCR113139  Eschscholzia californica A. C. Sanders 1998-3-11 21684 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR137498  Eschscholzia californica D. L. Banks, V. W. Steinmann 1997-3-13 1530 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA0110191  Eschscholzia minutiflora Duncan S. Bell 2010-4-2 711 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA0023131  Eschscholzia minutiflora Michael Honer, L. Hulse 2005-3-7 2031 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  CAS-BOT-BC419648  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-12 2155 Riverside Colorado Desert. Along main road; 4 miles northeast of Cottonwood Spring, Eagle Mountains 914 Comment
  CSUSB959  Eschscholzia parishii Glen W. Forister 1967-3-23 Riverside Cottonwood Canyon. Found along the side of the stream on the west-facing bank of the hill, about 0.5 mile past the end of the good road. 609 Comment
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  UC635609  Eschscholzia parishii H. L. Mason 1928-3-10 4191 Riverside Whitewater River Comment
  SD124718  Eucalyptus rudis Alden Kelly 1986-3-17 Riverside Edgmont area of Moreno Valley, from planting long W side of Hwy 215 Eucalyptus Ave 456 Comment
  UCR116971  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2001-5-3 24096 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA703406  Eucrypta chrysanthemifolia var. bipinnatifida LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1458 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA516424  Eucrypta chrysanthemifolia var. chrysanthemifolia Walter Wisura, T. Hayduk, Bart O Brien 1990-5-2 4431 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  UCR239196  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, A. C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  UC172906  Eulobus californicus E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  UCR114930  Euphorbia albomarginata Julie A. Greene 1993-4-30 1275 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  UCSB11045  Euphorbia lurida Breedlove, Dennis 1961-5-6 Riverside 4.2 mi. SE Vista Grande Guard Station on Riverside County Hwy. 1, San Jacinto Mts., 150 yds. SW of road 1798 Comment
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Mar 1 2014
  HSC78931  Euphorbia misera R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mtns., mouth of Whitewater canyon, E of Whitewater Post Office at S end of ridge 412 Comment
  UCR181163  Euphorbia ophthalmica R. E. Riefner Jr. 2005-8-7 05- 591 Riverside Sonoran (Colorado) Desert, Coachella Valley; Rancho Mirage, along Hwy 111 76 Comment
  RSA171353  Euphorbia palmeri J. D. Olmsted 1962-5-3 3533 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  UCR124637  Euphorbia polycarpa B. C. Templeton, I. W. Clokey 1930-4-9 1013 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR132748  Euphorbia polycarpa Scott D. White 1993-2-5 1049 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR84060  Euphorbia prostrata A. C. Sanders, L. Ard 1994-7-11 15061 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UCSB3565  Fagonia laevis Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 548 Comment
  RSA731016  Fagonia pachyacantha M. Wall 2008-4-26 456 Riverside Chuckwalla Valley; along Chuckwalla Rd. just east of junction with Dupont Rd. 161 Comment
  RSA645543  Fatoua villosa A. C. Sanders, S. Morgan 1995-11-30 17927 Riverside Riverside: weed in the UCR Botanic Garden [UTM 10km cell: MH-7E, 5N. Edgemont.] 366 Comment
  RSA591813  Festuca elmeri E. W. Lathrop 1966-5-26 6337 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR250107  Festuca microstachys A. C. Sanders 2014-4-9 41008 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  OBI71129  Festuca occidentalis Michael Curto, Linda Allen 1991-6-26 771 Riverside San Jacinto Mts, ca. 3 km SE of Pine cove on San Bernardino NF Rd 5S10, T5S, R2E S10 Comment
  RSA0124825  Festuca octoflora Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8746 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  UCR225508  Festuca octoflora A. C. Sanders 2011-3-30 38919 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR279391  Festuca octoflora A. C. Sanders, Jim Malusa 2017-3-24 42987 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  RSA387341  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA339654  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54230 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA543788  Filago californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6045 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
  RSA296220  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley Street between Riverside and Corona, 3/10 mile north of Hwy. 91 and about 100 yards west of McKinley in a weedy, abandoned squash field 305 Comment
  RSA69885  Forestiera pubescens F. W. Peirson 1922-5-21 3044 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  UC22591  Forestiera pubescens H. M. Hall 1898-6-28 951 Riverside 25 mi s Palm Springs (Vandeventer's); San Jacinto Mountains 1371 Comment
  SBBG13910  Fouquieria splendens E. R. Blakley 1962-11-25 5484 Riverside 1 mi W of Desert Center 274 Comment
  UC12225  Fragaria vesca H. M. Hall 1897-1 Riverside Strawberry Valley; San Jacinto Mountains Comment
  CLARK-A1528-2928  Frankenia grandifolia John C. Roos 1937-9-16 2568 Riverside Riverside Comment
  RSA33863  Frasera parryi Robert L. Rutherford 1944-7-15 1583 Riverside Palms to Pines Hwy 1372 Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  RSA559957  Fraxinus velutina Steve Boyd, Orlando Mistretta 1992-4-23 7068 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA516888  Fritillaria biflora Steve Boyd 1986-3-1 1375 Riverside Gavilan Plateau, Gavilan Hills. 625 Comment
  UCR240767  Fumaria officinalis O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA70349  Funastrum cynanchoides var. hartwegii F. W. Peirson 1916-04 888 Riverside Near Palm Springs. Comment
  JOTR37432  Funastrum hirtellum Hodges, Stephen R., T. Hender 2015-12-29 554 Riverside Joshua Tree National Park. Eagle Mountains, mid way up Dragon Wash, (Stop 2) Comment
  RSA717623  Funastrum hirtellum Scott D. White, Andrea Warniment Edwards 2006-3-29 11276 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA779724  Funastrum hirtellum Duncan S. Bell 2009-3-8 92 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  RSA772405  Galium angustifolium subsp. angustifolium Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4860 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
  UC489186  Galium angustifolium subsp. angustifolium C. V. Meyer 1928-7-30 579 Riverside Saunder's Meadow San Jacinto Mts. 1676 Comment
  RSA161150  Galium angustifolium subsp. gracillimum Peter H. Raven, David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  UC1329873  Galium angustifolium subsp. gracillimum James E. Cole 1941-5-29 818 Riverside end of Stubby Spring Road Joshua Tree National Monument 1432 Comment
  UCR16639  Galium aparine R. P. Sunderman 1968-5-6 6 Riverside Canyon at the end of Big Springs Road, City of Riverside 366 Comment
  JOTR33950  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UC102542  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2529 Comment
  UC708732  Galium stellatum var. eremicum H. K. Wagnon 1944-4-30 382 Riverside Tahquitz Canyon Palm Springs (s rim) Comment
  UCR90806  Gamochaeta pensylvanica A. C. Sanders, G. K. Helmkamp 1996-3-17 17996 Riverside Coachella Valley, Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  CLARK-A1528-2936  Garrya flavescens John C. Roos 1947-3-15 3336 Riverside San Jacinto Mountains 1066 Comment
  JEPS29087  Garrya flavescens Carl V. Meyer Jun 1927 183 Riverside along Idyllwild to Tahquitz Peak trail (n slope of Tahquitz Ridge); Tahquitz Ridge 1828 Comment
  OBI14155  Garrya fremontii Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts E side, along Eagle Motor Way, 1 mi below summit 914 Comment
  RSA494631  Garrya veatchii Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  UC1930170  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCD103558  Gayophytum heterozygum H. Lewis; M. Lewis 1962-8-2 1306 Riverside San Jacinto Mts. Pine Cove Road, Pine Cove, 0.4 mile west of Idywllwild-Banning Road. Comment
  RSA678930  Gazania linearis Scott D. White, Michael Honer 2003-6-3 9473 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  POM305628  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1937-2-26 871 Riverside Indio. Comment
  RSA485836  Geraea canescens Thomas S. Elias 1988-2-26 10688 Riverside Northeastern section of Eagle Mtns E of Joshua Tree national Monument,Riverside County Comment
  UC61547  Geraea canescens Miss Mary McKibben 1904-5-1 Riverside Mecca Comment
  UC895507  Geraea canescens Alice Eastwood 1913-4-30 3056 Riverside Palm Springs Comment
  UCR177324  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 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
  CAS-BOT-BC225253  Gilia J. Vale 1980-4-12 s.n. Riverside Near Aguanga, on Highway 79 Comment
  RSA613896  Gilia angelensis A. C. Sanders, Giles Waines, B. Ehdaie, A. Aryavand 1997-3-12 19850 Riverside Lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR62326  Gilia australis Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  SEINET1909895  Gilia capitata T. B. Salvato, John F. Green 2004-1 559 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  RSA526176  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross 1990-5-11 4678 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA771781  Gilia modocensis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -b Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  CAS-BOT-BC407603  Gilia ochroleuca subsp. exilis Carl Meyer 1927-6-1 193 Riverside Below Saunder's Meadow, San Jacinto Mountains 1584 Comment
  CAS-BOT-BC407619  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside Temecula Canyon, 1 mile S of Temecula Comment
  SBBG5862  Gilia ochroleuca subsp. exilis C. H. Muller 1952-4-5 9491 Riverside White Water Cyn, 1 mi above Whitewater Comment
  RSA0016283  Gilia ochroleuca subsp. exilis Clare B. Hardham 1965-6-18 12947 -B Riverside Cedar Flat Road, Idlewild [Idyllwild]. Comment
  JOTR33923  Gilia sinuata La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2814 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
  UCR19801  Gilia splendens W. W. Mayhew 1977-7-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CDA40024  Gilia stellata T. C. Fuller 1963-4-23 10278 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA469738  Gilia stellata Christopher Davidson 1973-4-1 1836 Riverside Palm Springs. 488 Comment
  RSA71802  Gilia stellata F. W. Peirson 1933-4-16 10640 Riverside Deep Canyon to Idyllwild road 1067 Comment
  RSA774310  Gilia stellata Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2191 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UC908831  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2170 Riverside 2.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 838 Comment
  SEINET7063417  Gilia tenuiflora A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  RSA526490  Githopsis diffusa subsp. robusta Steve Boyd, Timothy S. Ross 1990-5-11 4686 -B Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR275511  Glyceria declinata D. E. Bramlet 2012-4-9 4994 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  UCR241224  Glyceria occidentalis Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 514 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR121649  Gnaphalium californicum A. C. Sanders, Kent Beaman 2002-5-10 25045 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
  RSA736923  Gnaphalium canescens Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10671 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  UCR27180  Gnaphalium luteoalbum A. C. Sanders, S. Hagopian 1981-5-20 2157 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  POM12420  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  POM48738  Gnaphalium palustre P. A. Munz, I. M. Johnston 1924-7-29 8821 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR110921  Gnaphalium palustre A. C. Sanders, K. C. Rose 1999-6-18 22824 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR201423  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR88293  Grayia spinosa A. C. Sanders, K. C. Rose 1995-4-5 16379 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA430054  Guillenia lasiophylla M. B. Dunkle 1937-3-25 4923 Riverside Colorado Desert. Shaver s Well Comment
  UC1509680  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3027 Riverside 34.5 km (21.6 mi) e of Keen Camp (summit of San Jacinto Mountains on State Highway 74 at Pinyon Flats Campground); San Jacinto Mountains, State Highway 74 Comment
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Nov 20 2010
  UCR19506  Haplopappus squarrosus John C. Roos 1965-10-7 s.n. Riverside hills 4 mi south of Beaumont. (Badlands) Comment
  RSA0066609  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4110 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR90408  Harpagonella palmeri D. L. Banks, Steve Boyd 1995-5-9 0398 Riverside NW Palomar Mtns., Cleveland Natinal Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 790 Comment
  UCR112991  Hedypnois cretica Mitch Provance 1999-5-4 1681 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA587428  Helianthemum scoparium var. aldersonii D. L. Banks, S. D. Boyd 1995-6-2 572 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary,, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  UCR18946  Helianthemum scoparium var. vulgare John C. Roos 1950-4-29 4774 Riverside Hills 1 mi NE of summit of Reche Canyon 823 Comment
  SFV4472  Helianthus gracilentus A. M. Johnson 1934-8-18 4140 Riverside San Jacinto Mountains Along road on Banning side. Comment
  UCR100378  Helianthus gracilentus A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21611 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  SBBG8404  Helianthus niveus H. and M. Dearing 1942-3-21 4836 Riverside Cathedral City, near Palm Springs Comment
  JOTR31241  Heliotropium curassavicum Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR225741  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2011-3-30 38890 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  SBBG63442  Heliotropium curassavicum var. oculatum M. N. Ackley 1928-3-31 61 Riverside near Mecca -60 Comment
  UCR13401  Heliotropium curassavicum var. oculatum William A. Hunt 1972-5-19 720519- 2 Riverside Upper Santa Ana River/San Bernardino Valley Region, west edge of UCR campus, behind Bannockburn, between Canyon Crest Dr. and 60 Fwy 305 Comment
  UCR183342  Hemizonia paniculata Mitch Provance 2005-5-27 4606 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR219986  Hemizonia paniculata A. C. Sanders, D. L. Sanders 2010-11-28 38698 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
  UCR231746  Hemizonia paniculata John F. Green 2008-4-23 08- 08 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR90763  Hemizonia pungens subsp. laevis D. E. Bramlet 1993-5-16 2356 Riverside 5.7 km west of Hemet, 488 m north of Florida Ave and 1 m west of old Warren Road. the site is found on a parcel between old Warren and Warren Rd., c. 274 north of the intersection of these two roads 456 Comment
  UCR174435  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32489 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0073109  Hesperocallis undulata Jim Andre 2013-3-27 24801 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  UCR90358  Heterocodon rariflorum D. L. Banks, Steve Boyd 1995-5-30 0480 Riverside Peninsular Range; Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, along the Dripping Springs Trail; at first saddle area in section 34, NNE of two peaks of Agua Tibia Mtn. 1134 Comment
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Apr 28 2009
  RSA601195  Heterotheca fastigiata Scott D. White 1996-8-15 4473 Riverside San Jacinto Mtns. Idyllwild Area: Alvin Meadows and unnamed canyon upstream. (immed. adjacent to Idyllild topo) 1524 Comment
  UCR93013  Heterotheca grandiflora G. P. Schultz 1994-4-8 56 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  RSA0075883  Heterotheca grandiflora N. C. Cooper 1943-9-26 927 Riverside Cabazon. 549 Comment
  JOTR16595  Heterotheca villosa var. scabra Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  RSA0011484  Heuchera rubescens Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4990 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SFV6345  Hibiscus denudatus T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 61 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR161283  Hibiscus denudatus Mark A. Elvin 2005-4-26 4231 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  UCR216216  Hibiscus denudatus Jim Andre, T. La Doux 2009-2-25 10801 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR74358  Hibiscus denudatus Theo Glenn 1991-4-30 91- 56 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCR241804  Hilaria rigida A. C. Sanders, Ann Howald 2013-2-28 40553 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  SEINET2061523 Image available Hoffmannseggia glauca H. Dearing, M. Dearing 1942-4-6 4867 Riverside 3 mils E of Blythe. Comment
  SEINET3365552  Hoffmannseggia glauca G. Rink 2011-9-25 11071 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  UCR18998  Hoffmannseggia glauca John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 17 miles west of Blythe 122 Comment
  LA45786  Hoffmannseggia microphylla E. M. Hyde; 1935-3-17 sn Riverside Palms to Pines Highway 182 Comment
  SEINET10687049  Hoffmannseggia microphylla David B. Dunn 1946-2-23 Dunn 1983 Riverside Hidden Springs Canyon in the vicintiy of the Palms. Comment
  RSA741080  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA191437  Holocarpha virgata subsp. elongata E. W. Lathrop, R. F. Thorne 1967-9-26 6656 Riverside 4 mi. NW of Murietta, 1 mi. W of Santa Rosa Ranch. Comment
  UC1523647  Holocarpha virgata subsp. elongata Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61185 Riverside Cole canyon; Santa Rosa Reserve, Nature Conservancy Reserve 535 Comment
  RSA449812  Holodiscus microphyllus G. R. Johnstone 1928-3-9 s.n. Riverside Summit 3294 Comment
  SD140223  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74), open fields 459 Comment
  UCR225736  Hordeum depressum A. C. Sanders, T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR266309  Hordeum intercedens D. E. Bramlet, Jeff Crain 2009-5-18 4385 Riverside Perris-Aguanga Basin Region, north of Nuevo, San Jacinto River floodplain, at the end of 11th St., 150 m east of the river 432 Comment
  UC1605424  Hordeum murinum subsp. murinum Steve Boyd 1986-4-2 1619 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. Steele Park 7.5' Quad. Comment
  RSA482010  Horkelia clevelandii Richard Noyes, L. Arnseth 1988-9-10 721 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  SBBG2937  Horkelia clevelandii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley Comment
  CAS-BOT-BC55488  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  RSA0123111  Horsfordia newberryi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9018 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
  CLARK-A1528-1949  Hulsea heterochroma John C. Roos 1947-3-15 3325 Riverside San Jacinto Mountains 1066 Comment
  CLARK-A1528-1952  Hulsea vestita subsp. callicarpha John C. Roos 1946-8-27 2783 Riverside Santa Rosa Mountains 2407 Comment
  JEPS34890  Hulsea vestita subsp. callicarpha E. Craig Cunningham 1940-5-9 Riverside Santa Rosa Peak Santa Rosa Mts. 1524 Comment
  RSA740922  Hydrocotyle ranunculoides Scott D. White, Justin M. Wood 2008-7-9 12421 Riverside San Jacinto Mountains: Johnson Meadow 1415 Comment
  UCD128233  Hydrocotyle ranunculoides A. C. Sanders; O. F. Clarke 1991-6-10 11120 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  POM78960  Hydrocotyle umbellata I. M. Johnston 1925-7-7 5287 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  SD187328  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA650958  Hymenoclea salsola Marion P. Harthill 1973-2-17 1564 Riverside W. Palm Springs. 366 Comment
  UCR101570  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  JOTR30090  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  SEINET5712136  Hymenoclea salsola var. salsola D. F. Howe 1980-1 s.n. Riverside 4 miles west of Mesa Verde, south slope of McCoy Mountains, Hwy 10.; Mesa Verde Comment
  CAS-BOT-BC400801  Hypericum anagalloides Carl B. Wolf 1932-8-5 3960 Riverside San Jacinto Mts. 1st. Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  RSA586325  Hypochaeris glabra D. L. Banks, S. D. Boyd 1995-5-3 0190 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SD152932  Hypochaeris glabra Steve Boyd, Tim Ross and Dave Bramlet 1993-5-13 7361 Riverside Southern Santa Ana Mountains, San Mateo Canyon, along stream and adjacent benches and lower slopes abouth the confluence with Los Alamos Canyon. 395 Comment
  UCR158142  Hypochaeris glabra A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30081 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
  UCR172235  Hypochaeris glabra John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  CAS-BOT-BC219750  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  CAS-BOT-BC219774  Hyptis emoryi D. E. Breedlove 1962-3-11 1884 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  JOTR16726  Hyptis emoryi Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA420152  Hyptis emoryi Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SD128714  Hyptis emoryi Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  SFV6300  Hyptis emoryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 54 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR255953  Hyptis emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-11 152 Riverside Devil Canyon in the Santa Rosa Wilderness Area, west of Coachella Valley, 3 mi south of Lake Cahuilla 110 Comment
  CDA5549  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside South of Avenue 60, 0.2 mile east of Jackson Street, ca. 6 miles south of Indio. 0 Comment
  RSA0028827  Isocoma acradenia W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  UCR96807  Isomeris arborea Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  POM4803  Iva axillaris subsp. robustior I. M. Johnston 1928-5-30 2014 Riverside Temescal Canyon. 366 Comment
  UCR209200  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37148 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR189780  Juglans californica var. californica Amy Rowland 2007-8-31 103 Riverside Peninsular Ranges, Perris-Aguanga basin, Off Rawson Rd in parcel 31 of Lake Skinner Reserve 501 Comment
  RSA597231  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1098 Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  SDSU13313  Juncus arcticus var. mexicanus Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 14 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA658937  Juncus balticus subsp. ater M. Duke, Christy Hightower, C. McElroy 1982-5-15 17 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA368168  Juncus bufonius Christopher Davidson 1977-5-25 5638 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCR76178  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR127145  Juncus bufonius var. congestus A. C. Sanders, Guy Bruyea 2003-6-12 26887 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UC1601813  Juncus macrandrus H. M. Hall Jul 1901 2248 Riverside Fuller's Mills San Jacinto Mountains Comment
  POM122329  Juncus macrophyllus Marcus E. Jones 1921-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR201479  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-6-18 12248 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR193898  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-7-11 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
  SD86554  Juncus textilis Ken Hedges 1972-10-17 Riverside In marshy area, Cahuilla Valley, south of Anza. Comment
  SBBG104053  Juncus xiphioides A. C. Sanders with O. F. Clarke 1991-6-10 11136 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR49718  Juncus xiphioides B. G. Pitzer, H. P. Hall, J. L. Hall 1987-5-23 0578 Riverside San Bernardino Mtns., Whitewater Canyon, c. 0.25-0.50 mi north of Trout Farm, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. 732 Comment
  RSA496127  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3006 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UC665866  Justicia californica Ira L. Wiggins 1941-3-27 9689 Riverside 9 mi. w. Desert Center Comment
  UC972195  Justicia californica Alice Yates and Jas. E. Wilcox 1952-4-5 29 Riverside between Box Canyon and Smoke Tree Nat'l Monument 152 Comment
Read comments
Aug 21 2007
  UC2044616  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. (Hopkins Well 7.5' Q.) Comment
  CAS-BOT-BC235494  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
  RSA293254  Keckiella antirrhinoides D. C. Michener 1980-6-11 3669 Riverside Bautista Canyon. Lower Bautista Cyn road [5S14] ca 5.3 mi. southeast of jct to CA 74 near canyon mouth. 800 Comment
  RSA424826  Keckiella antirrhinoides George R. Johnston 1934-3-27 18068 Riverside Near Wildomar. Comment
  SFV16370  Keckiella antirrhinoides n. s. 1992-5-16 Riverside Lake Matthews. Comment
  UCR15968  Keckiella antirrhinoides Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  LA28287  Keckiella antirrhinoides var. antirrhinoides Philip A. Munz; Harwood 1920-2-28 3255 Riverside 3 mi. W of Corona 335 Comment
  NY786548  Keckiella antirrhinoides var. antirrhinoides S. D. Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 670.6 Comment
  JOTR30644  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Erin Babich 2008-4-21 1805 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  NY786768  Keckiella antirrhinoides var. microphylla A. M. Alexander 1941-5-23 2215 -a Riverside Mouth of canyon, north base of Eagle Mountains 1158.2 Comment
  SBBG66592  Keckiella rothrockii R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2438 Comment
  RSA293259  Keckiella ternata subsp. ternata D. C. Michener 1980-5-29 3626 Riverside San Bernardino NF, Cave Springs. 950 Comment
  CAS-BOT-BC273673  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC61421  Krameria bicolor Geo. B. Grant 1906-5-1 6786 Riverside Colorado desert at Palm Springs, southern California Comment
  CAS-BOT-BC61439  Krameria bicolor David Dreyer 1968-7-1 s.n Riverside Near campground in Joshua Tree National Monument Comment
  LA205733  Krameria bicolor A. W. Haupt; April 1926 sn Riverside Palm Springs Comment
  SBBG3341  Krameria bicolor H. and M. Dearing 1946-6-8 4343 Riverside 2 mi N of Palm Springs Comment
  UCSB16824  Krameria bicolor Field, L. 1963-5-5 Riverside 5.3 miles south Palm Desert on California Highway 74 Comment
  UCR177329  Krameria grayi Scott D. White, Michael Honer 2003-5-13 9237 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  CAS-BOT-BC340719  Laennecia coulteri H. M. Hall 1905-4-1 5941 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 76 Comment
  UC87469  Laennecia coulteri T. S. Brandegee 1901-3-28 Riverside Indian Wells Colorado Desert, Indian Wells Comment
  POM352656  Lamarckia aurea N. C. Cooper 1944-4-22 1128 Riverside Banning. 732 Comment
  UCR133687  Lamium amplexicaule Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR35328  Lamium amplexicaule L. B. Ziegler 1971-5-1 421 Riverside San Jacinto Valley, San Jacinto 473 Comment
  UCR4067  Lamium amplexicaule Carole Sims 1965-4-12 s.n. Riverside University of California, Riverside campus; lawn north of permanent Union Building site. 274 Comment
  SEINET8729313 Image available Langloisia flaviflora Helen K. Sharsmith 1952-1 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument, Riverside County. Altitude ca. 2000 feet. 610 Comment
  RSA703743  Langloisia setosissima subsp. setosissima LeRoy Gross 2005-3-3 1565 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  CAS-BOT-BC170704  Larrea tridentata G. P. Rixford 1907-11-25 s.n. Riverside Between Yuma and Needles, Colorado River Comment
  CAS-BOT-BC293708  Larrea tridentata Mona Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  POM278369  Larrea tridentata Lyman D. Benson 1933-3-31 s.n. Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto. 305 Comment
  POM49025  Larrea tridentata Stephen Grout, Stephen Grout 1902-05 s.n. Riverside Hemet Comment
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Apr 21 2009
  RSA0034156  Larrea tridentata M. Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  RSA390032  Larrea tridentata E. A. McGregor 1966-3-21 s.n. Riverside Near Indio. Comment
  RSA652051  Larrea tridentata Marion P. Harthill 1973-2-17 1557 Riverside Snow Creek, Palm Springs 366 Comment
  UC867939  Larrea tridentata Alice Eastwood 1913-4-30 3085 Riverside Palm Springs Comment
  CAS-BOT-BC338917  Lasthenia californica A. C. Sanders; W. W. Wright; J. Latting; et al 1974-5-4 684 Riverside Santa Rosa Plateau, Santa Ana Mtns.: Mesa de Burro 610 Comment
  CAS-BOT-BC338933  Lasthenia californica F. W. Peirson 1922-4-29 4520 Riverside Lake Elsinore 374 Comment
  CAS-BOT-BC353283  Lasthenia coronaria H. M. Hall 1903-3-1 3847 Riverside Reche Canon Comment
  RSA150913  Lasthenia coronaria Peter H. Raven 1962-3-19 16913 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  UCR249820  Lasthenia coronaria T. B. Salvato, John Lovio 2013-3-19 7365 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR280952  Lasthenia coronaria Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 64 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  JEPS10177  Lasthenia gracilis W. L. Jepson 1901-5-17 1229 Riverside vicinity Riverside Comment
  RSA512127  Lasthenia gracilis 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
  SBBG7750  Lasthenia gracilis H. and M. Dearing 1942-3-7 4815 Riverside near Whitewater Wash, Cathedral City Comment
  UCR172209  Lasthenia gracilis John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  UCR225592  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-29 38884 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  CAS-BOT-BC368706  Lasthenia microglossa S. B. Parish 1921-3-22 9805 Riverside Murray Canon 487 Comment
  CLARK-A1528-479  Lathyrus laetiflorus Robert A. Hawthorne 1957-4-18 Riverside Temecula 304 Comment
  SD255728  Lathyrus vestitus Mitch Provance 2012-5-24 512 14 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  RSA14602  Lathyrus vestitus subsp. alefeldii Daniel Cleveland 1882-5-5 s.n. Riverside Temecula Comment
  SDSU17301  Lathyrus vestitus var. alefeldii Ryan Jacobson 2000-4-19 8 Riverside Santa Margarita Ecological Reserve. Near west bank of Stone Creek, about 1 mile north east of south-side facility. Comment
  RSA673510  Layia platyglossa Scott D. White, Bill La Haye 2000-5-27 7954 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA704000  Layia platyglossa Daphne K. Christopher, H. Stevens, Zach Princip 131 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 377 Comment
  RSA747957  Layia platyglossa Justin M. Wood 2009-5-15 711 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SDSU18391  Layia platyglossa C. Matt Guilliams 2008-2-27 485 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 370 Comment
  UCR133975  Layia platyglossa Mitch Provance, J. S. Ross 1998-3-27 MOR- 966 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  POM361701  Layia platyglossa subsp. campestris B. C. Templeton, I. W. Clokey 1930-4-9 1024 Riverside Near Banning 500 Comment
  POM4829  Layia platyglossa subsp. campestris Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR34906  Layia platyglossa subsp. campestris L. B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley, N of Lakeview 457 Comment
  RSA212922  Layia ziegleri L. B. Ziegler 1969-5-15 s.n. Riverside Hemet Valley, south of Kenworthy Ranger Station. 1372 Comment
  SD248446  Leonotis nepetifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41433 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles E of Cabazon, c. 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 427 Comment
  UCR121806  Lepidium dictyotum var. dictyotum A. C. Sanders, Carolyn Washburn 2001-4-17 24062 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR21964  Lepidium dictyotum var. dictyotum Steve Boyd 1980-5-20 s.n. Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  UCR281095  Lepidium dictyotum var. dictyotum Mitch Provance, Jeremiah George 2017-3-23 317- 69 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  CAS-BOT-BC89439  Lepidium fremontii H. M. Hall 1905-4-1 5844 Riverside Colorado Desert. Canyon Springs. Comment
  POM48142  Lepidium lasiocarpum E. E. Schellenger 1920-05 s.n. Riverside E of Mecca, Colorado Desert. Comment
Read comments
Jun 18 2011
  UCR103317  Lepidium lasiocarpum George K. Helmkamp 1998-2-5 2640 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR245260  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2012-3-19 21307 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCR126934  Lepidium lasiocarpum var. lasiocarpum Julie A. Greene 1993-6-11 1346 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  CAS-BOT-BC257783  Lepidium latipes A. C. Sanders; T. B. Salvato 2011-4-4 38971 Riverside Peninsular Range: Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  RSA696140  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24053 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  RSA734993  Lepidium nitidum Justin M. Wood 2008-2-4 3 Riverside Liberty Quarry, W. of 15 freeway near the Rainbow exit. 366 Comment
  POM139  Lepidium virginicum var. pubescens Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA653419  Lepidium virginicum var. pubescens Scott D. White 1999-5-24 7386 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR261486  Lepidium virginicum var. pubescens A. C. Sanders, Katie Young, John Hale 2015-4-22 41585 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  RSA576089  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  CAS-BOT-BC328100  Lepidospartum squamatum Marian L. Campbell 1921-3-20 28 Riverside Palm Springs Comment
  UC33118  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Riverside Comment
  CAS-BOT-BC274019  Leptochloa fusca subsp. uninervia S. B. Parish 1912-6-28 8119 Riverside Mecca Comment
  RSA87136  Leptochloa fusca subsp. uninervia F. W. Peirson 1924-12-30 5404 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  UCR33683  Leptochloa uninervia Faulkner 1978-3-21 349 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR89845  Leptodactylon californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3305 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  JEPS44377  Leptodactylon pungens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4257 Riverside just below Toro Peak (i.e. s of the saddle e of the peak); Santa Rosa Mts., just below Toro Peak 2499 Comment
  RSA698320  Leptosiphon floribundus Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  SD181409  Leptosiphon floribundus Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet; Gibbel Flat in the Santa Rosa Hills. 609 Comment
  CAS-BOT-BC227049  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  CAS-BOT-BC227052  Leptosiphon floribundus subsp. glaber Edmund C. Jaeger 1919-5-10 s.n. Riverside Rockhouse Canon [Canyon], southern Riverside Co. 457 Comment
  RSA487445  Leptosiphon lemmonii Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  SD137678  Leptosiphon parviflorus Darin L. Banks, Steve Boyd 1995-5-3 192 Riverside Agua Tibia wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  RSA444555  Lesquerella tenella W. Wisura 1988-3-1 4199 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  UC279681  Lesquerella tenella Edmund C. Jaeger 1926-2-28 Riverside Canyon Springs Wash near Salton Station (Colorado Desert); , Canyon Springs Wash 30 Comment
  UCR92763  Lessingia filaginifolia F. M. Reed 1929-11-8 6683 Riverside San Jacinto Mtns/Colorado Desert,, mouth of Snow Creek Canyon 300 Comment
  UCR106905  Lessingia glandulifera var. glandulifera D. L. Banks, L. Raz 1996-11-5 1176 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  UCR108866  Lessingia glandulifera var. glandulifera Heidi A. Haid 1968-9-24 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA388404  Leymus condensatus R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61183 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  MACF014189  Libocedrus decurrens Richard Walker 1967-9-30 101 Riverside South side of spillway ca. 20 yds. from Hiway. 1584 Comment
  CAS-BOT-BC451633  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado 609 Comment
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  RSA740935  Limosella acaulis Scott D. White, Justin M. Wood 2008-7-9 12437 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  CAS-BOT-BC225698  Linanthus californicus T. Craig 1927-4-23 207 Riverside Glen Ivy Comment
  RSA468465  Linanthus californicus E. Crow 1929-3-17 188 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  SEINET14181904  Linanthus dianthiflorus H. M. Hall April 1903 3793 Riverside Sonoran Zone, vicinity of Riverside. 366 Comment
  UCR240621  Linanthus floribundus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 409 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR24238  Linanthus floribundus John C. Roos 1962-5-19 s.n. Riverside Peninsular Range, Santa Ana Mtns., Strawberry [=Santiago? Sugarloaf?] Peak [on the Orange county line] Comment
  UC718500  Linanthus lemmonii Carl B. Wolf 1937-4-5 Riverside 1 mi w Whitewater; San Gorgonio Pass 365 Comment
  UCR162403  Linanthus lemmonii S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UC489015  Linanthus liniflorus C. V. Meyer 1929-6-18 765 Riverside Hemet Valley San Jacinto Mts. 1219 Comment
  RSA645177  Linanthus maculatus J. Mark Porter, L. Machen 1995-4-14 10698 Riverside Whitewater Canyon, ca 1.5 mi north of Interstate 10, ca. 0.25 mi south of the fence delineating private property. East of Whitewater Canyon Road, on the terrace below the level of the road. Comment
  UCR269921  Linaria canadensis Daphne K. Christopher, Hannah I. Stevens 2003-4-3 077 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR103742  Linaria canadensis var. texana O. F. Clarke 1997-3-4 s.n. Riverside Riverside, Vacant lot at back of St. George's Episcopal Church, at corner of Spruce Street and Watkins Drive 305 Comment
  UCR208951  Linum usitatissimum N. C. Cooper 1944-5-6 1207 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  UCR50042  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, 5 mi. east of Banning [near Cabazon] 610 Comment
  POM1582  Lithophragma affine subsp. mixtum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  CSUSB534  Lobularia maritima Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  SEINET3522941 Image available Lobularia maritima K. S. Gill 1965-3-14 Riverside On campus UCR. waste land near parking lot No. 19. Comment
  SEINET3005058  Loeseliastrum matthewsii G. Rink 2011-4-29 10496 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  SD259047  Loeseliastrum schottii Sarah J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave. Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  UC1523459  Logfia filaginoides Robert F. Thorne and C. W. Tilforth 1980-5-28 54229 Riverside ca 3.2 mi n Whitewater P.O. (and Hwy 10); San Bernardino Mts., Whitewater River Comment
  UCR54311  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SEINET271858 Image available Lolium perenne subsp. multiflorum A. C. Sanders, KD Jones; D. Malueg 1996-4-20 18055 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats on the east side of the river ch 433 Comment
  SEINET251726 Image available Lolium rigidum Walter Graves 2002-5-15 502 -25 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  POM15043  Lomatium dasycarpum subsp. dasycarpum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb Canyon Pass, Banning. Comment
  POM6649  Lomatium dasycarpum subsp. dasycarpum P. A. Munz 1919-3-25 2312 Riverside Beaumont. Comment
  POM305708  Lomatium lucidum Anonymous, Henry J. Ramsey 1939-4-22 1031 Riverside Hemet-Anza, Bautista Creek Rd. Comment
  UCR104928  Lomatium lucidum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20638 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
  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
  UC21232  Lomatium mohavense H. M. Hall 1899-5-26 1184 Riverside San Jacinto Mts., Nigger Jim Hill Comment
  RSA212935  Lomatium mohavense subsp. longilobum L. B. Ziegler 1969-5-7 s.n. Riverside Meadowy area in Hemet Valley near Kentworthy Ranger Station, San Jacinto Mts. 1448 Comment
  UCR256753  Lomatium utriculatum T. B. Salvato, Matthew Malle 2013-4-15 7542 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  LA204614  Lonicera subspicata W. Pequegnat; 1937-9-6 sn Riverside Santa Ana Mountains, Ortega Rd Comment
  UCR121347  Lonicera subspicata A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25022 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  POM318798  Lonicera subspicata var. denudata Patricia Wilder 1968-7-5 4312 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  UCR35028  Lotus argophyllus L. B. Ziegler 1967-8-24 222 Riverside San Jacinto Mtns, San Jacinto Valley. Mission [Avery] Canyon 503 Comment
  UCR97462  Lotus argophyllus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19765 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
  RSA771653  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4915 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
  UC219236  Lotus argophyllus var. argophyllus P. A. Munz 1922-4-30 5128 Riverside s of Hemet (s of St. John's Grade) Comment
  VVC2875  Lotus argophyllus var. argophyllus Tim Thomas, P. J. MacKay 2010-4-12 5025 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA615140  Lotus argophyllus var. argophyllus A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19765 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
  CLARK-A1045-81  Lotus argyraeus George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
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Jan 3 2018
  RSA249868  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmore 1677 Comment
  UCR18540  Lotus crassifolius A. C. Sanders 1978-6-11 00334 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA33653  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-6-17 1392 Riverside San Jacinto Mountain. West side. 1372 Comment
  UCR174115  Lotus hamatus A. C. Sanders, T. B. Salvato 2006-6-2 33085 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA644300  Lotus heermannii Scott D. White, Mike Wilcox 1995-7-11 3469 Riverside NE Santa Ana Mts. Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 730 Comment
  POM12874  Lotus nevadensis var. nevadensis P. A. Munz 1922-7-6 6017 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR4765  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725- 04 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR21997  Lotus purshianus Steve Boyd 1980-7-12 329 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR241229  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 505 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  JOTR32440  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UC212493  Lotus rigidus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  SEINET2062422 Image available Lotus scoparius B. Pitzer 1986-5-24 238 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi. N of hatchery boundary. (Whitewater 7.5' Quad) 731 Comment
  UCR154392  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2005-6-15 30970 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
  RSA406896  Lotus scoparius var. brevialatus N. C. Cooper 1947-4-5 2117 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  JOTR29610  Lotus strigosus Andre, Jim 2006-4-26 6748 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA314451  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55447 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA498742  Lotus strigosus E. C. Jaeger 1922-3-15 724 Riverside Mecca calif alt 200ft.Colorado Desert region. Comment
  RSA771118  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4926 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
  RSA771700  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4696 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR111768  Lotus strigosus Mitch Provance 1998-3-18 225 Riverside City of Riverside, Property along the W side of Stater Bros. near the corner of Colorado Ave. and Adams St. 241 Comment
  UCR228886  Lotus strigosus A. C. Sanders 2011-4-6 38999 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  SEINET10937016  Lotus strigosus Noel H. Holmgren, Patricia K. Holmgren 1973-3-22 Holmgren 6470 Riverside Rice valley, 7 mi ssw of rice. T2s, r20e, sec 21. Sand dunes, common. Petals Yellow. 274 Comment
  RSA774113  Lotus unifoliolatus Duncan S. Bell, Colleen Wheeler 2010-7-19 1624 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  RSA496357  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3031 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  UC1537085  Lotus wrangelianus Gordon H. True Jr. 1935-4-5 215 Riverside Gavilan Peak Gavilan Hills 731 Comment
  UC1595620  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside s flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Cyn 426 Comment
  CLARK-A1045-402  Ludwigia peploides George K. Helmkamp 1979-5-15 Riverside Jurupa ""at S.A. Picnic Area""; ; Fontana 7.5' Q 243 Comment
  RSA709182  Lupinus A. C. Sanders, J. Goetzen 1996-5-1 18129 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. 830 Comment
  POM266081  Lupinus arizonicus C. L. Hitchcock 1940-4-4 5961 Riverside Pinto Basin. Comment
  POM349946  Lupinus arizonicus L. N. Goodding 1942-2-26 s.n. Riverside Indio region Comment
  RSA457758  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA776691  Lupinus arizonicus Duncan S. Bell, Amanda Turek 2010-4-10 792 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SEINET10488557  Lupinus arizonicus David Charlton 1988-2-18 Charlton 1194 Riverside Alluvial fan, s side of little san bernardino mtns. Fargo canyon road to Cottonwood wash, s of joshua tree national park, parallel to i-10. Creosote Bush scrub. 5 Miles e of jct. Dillon rd. And fargo cyn rd. Stable and disturbed Upper bajada with encelia, larrea. Common blue-flowered 1' annual on upper Bajada 762 Comment
  UC138029  Lupinus bicolor C. F. Baker 1904-4-5 4100 Riverside Hemet Comment
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Jul 4 2010
  UCR139094  Lupinus bicolor Scott D. White 1997-5-18 5155 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR251964  Lupinus bicolor Max Brodie 2014-4-20 28 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off South Main Divide Rd. roughly 3 miles south of Hwy 74 851 Comment
  POM12737  Lupinus bicolor subsp. microphyllus Philip A. Munz 1922-4-29 5079 Riverside [Sedco] Station, south of Elsinore. Comment
  RSA562460  Lupinus bicolor subsp. microphyllus Steve D. Boyd, Tim S. Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA483605  Lupinus concinnus subsp. optatus D. Charlton 1988-5-21 1948 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  SEINET10937080  Lupinus densiflorus var. austrocollium Tilforth 1979-5-23 TILFORTH 1806 Riverside White flwd annual with grasses, delphinium parryi, adenostoma fasciculatum, Solanum parishii. Murrieta-deluz rd., Ca 2 air mi. S of murrieta. 335 Comment
  LA205096  Lupinus excubitus Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SBBG35091  Lupinus excubitus T. L. Secrest 1951-5-19 Riverside near Idyllwild Comment
  POM2613  Lupinus excubitus var. hallii Philip A. Munz 1918-4-27 2120 Riverside Near Elsinore Comment
  RSA180436  Lupinus excubitus var. hallii E. W. Lathrop 1960-6-6 4821 Riverside 14 miles west of Murrieta. Comment
  RSA666725  Lupinus excubitus var. hallii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23952 Riverside Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada. 345 Comment
  RSA796518  Lupinus excubitus var. hallii Robert F. Thorne, E. W. Lathrop 1977-5-18 49728 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA160413  Lupinus formosus J. D. Olmsted 1959-9-23 994 Riverside 2.5 miles south of Hemet Lake on Hwy 74 near road to Thomas Mt. trhough Garner ranch, San Jacinto Mts, Helmet Lake Drainage 1387 Comment
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Apr 1 2011
  UC15857  Lupinus formosus H. M. Hall June, 1901 2167 Riverside Thomas Valley; San Jacinto Mountains, Thomas Valley 1371 Comment
  SEINET10543985  Lupinus formosus David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20769 Riverside Coll at the jct of hwy 74 and 71. A gas station on the sw corner. Area generally chaparral with shaggy adenostema. 1433 Comment
  RSA87183  Lupinus hyacinthinus Joseph A. Ewan 1930-8-31 2145 Riverside Hidden lake, San Jacinto Mts. 2744 Comment
  SD63731  Lupinus hyacinthinus Peta Mudie 1965-7-5 498 Riverside SW slope on north side of Santa Rosa Mountain above National Forest Campground 2000 Comment
  UCR104191  Lupinus hyacinthinus Scott D. White 1997-5-18 5177 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  POM9809  Lupinus hyacinthinus E. C. Jaeger 1921-7-2 s.n. Riverside Tahquitz Valley. 2195 Comment
  UCR16237  Lupinus microcarpus Robert Eaton 1968-5-13 680513- 20 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  UCSB3284  Lupinus microcarpus var. densiflorus Bobkowski, Jr., Vincent 1960-5-15 Riverside Van de Venter Flats, approx. 25 miles south of Idyllwild on State Highway 74 Comment
  JOTR28885  Lupinus sparsiflorus La Doux, Tasha 2004-2-24 1120 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  JOTR34070  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2967 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UCR175178  Lupinus sparsiflorus Jim Andre 2006-4-26 6763 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 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
  CLARK-A1656-750  Lupinus truncatus Theo Glenn 1982-3-21 Riverside Snow Creek Comment
  RSA516429  Lupinus truncatus W. Wisura, Tom Hayduk, Bart O'Brien 1990-5-2 4437 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  CAS-BOT-BC231425  Lycium andersonii F. M. Reed 1917-12-1 s.n. Riverside Tequesquite Canon [Canyon], Riverside Comment
  POM259735  Lycium andersonii E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  UCR95235  Lycium andersonii D. L. Banks 1996-5-13 1022 Riverside Agua Tibia Mtns, NW Palomar Mtns; Foothills south of Hwy 79; east of Dripping Springs Campground; Approx. 2.1 km east of the Dripping Springs Guard Station, south of the jct between the Vail Lake Marina Road and Hwy 79, just north of the Cleveland National Forest Boundary 473 Comment
  UCSB5905  Lycium andersonii Haller, John 1960-4-3 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  RSA0051558  Lycium andersonii A. Lee Haines 1974-4-9 s.n. Riverside Red Cloud Mine Road., Chuckwalla Mts. 579 Comment
  POM96841  Lycium andersonii var. deserticola F. M. Reed 1926-5-5 5289 Riverside Banks of the Arroyo Tequesquite 244 Comment
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May 1 2011
  UCR172746  Lythrum californicum Robert Cox, Chris E. True 2005-6-6 s.n. Riverside Perris-Aguanga Basin, At the San Jacinto River confluence with Perris River Valley storm drain. c. 0.25 mi N of Ellis Ave. at the 215 Fwy 431 Comment
  RSA388409  Lythrum hyssopifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61171 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UCR112316  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR33764  Machaeranthera cognata J. M. Stewart 1984-2-19 84- 04 Riverside Sonoran (Colorado) Desert, Coachella Valley, base of Indio Hills along powerline road, 3.5 mi. west of Dillon Road 49 Comment
  SD227848  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area; French Valley, E side of Wawhington Ave., 1/2 mile S of Rawson Rd. (Winchester 7.5'Q). 438 Comment
  RSA559340  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-15 7402 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UCR154406  Malacothamnus fasciculatus A. C. Sanders, Mike Misenhelter 2005-6-15 30945 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CLARK-A1528-2007  Malacothrix clevelandii John C. Roos 1954-5-15 6119 Riverside Reche Canyon 731 Comment
  RSA627852  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside Foothills NNE of Beaumont. 950 Comment
  CAS-BOT-BC347684  Malacothrix glabrata P. A. Munz; R. D. Harwood No date on label 3384 Riverside Temescal Canyon 365 Comment
  CAS-BOT-BC347709  Malacothrix glabrata Marian L. Campbell 1921-3-19 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC347713  Malacothrix glabrata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  JOTR32120  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA778241  Malacothrix glabrata Duncan S. Bell 2009-3-8 46 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA779622  Malacothrix glabrata Duncan S. Bell 2010-4-1 656 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
  UCR196012  Malacothrix glabrata R. F. Thorne, M. Z. Thorne 1973-3-30 42695 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR216337  Malacothrix glabrata Mike Bell 2008-3-19 041 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  UCR279578  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-28 43155 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CAS-BOT-BC347895  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1931-6-4 6643 Riverside Summit of Jackrabbit Trail Comment
  RSA722992  Malacothrix saxatilis var. tenuifolia Michael Wall 2007-6-26 429 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  SEINET269556  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  CSUSB1014  Malva parviflora Susan Larisch 1963-5-8 Riverside City of Riverside; C.E.S. Field # 14. Comment
  UC111315  Marah macrocarpa S. B. Parish 1907-4-18 6127 Riverside w edge Colorado Desert (type station); West Canyon 200 Comment
  SD121977  Marina parryi Leota Davidson 1966-4-3 317 Riverside Highway 10 at Wiley Wells turn-off, 20 miles east of Desert Center. Comment
  UC494398  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside Corn Springs, e Riverside County Corn Springs Comment
  UCD169617  Marina parryi Amber Swanson 2011-3-19 242 Riverside W of Eagle Mountain Road to Railroad tracks about 5 miles N of I-10. 306 Comment
  UCR22046  Marrubium vulgare Steve Boyd 1980-5-11 238 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM11719  Marsilea vestita P. A. Munz, I. M. Johnston 1922-5-20 5446 Riverside San Jacinto Mountains: 2 mi. below Kenworthy 1402 Comment
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Mar 25 2011
  CAS-BOT-BC520441  Matelea parvifolia A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mtns., 8.9 km SE of Gasline Rd,, at narrow wash crossing 701 Comment
  POM362447  Matricaria matricarioides N. C. Cooper 1944-4-22 1137 Riverside Banning 732 Comment
  RSA594522  Matricaria matricarioides D. L. Banks, Rashmi Pant 1996-5-13 1027 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, at the entrance of the Dripping Springs Campground; Approximately 10 m E of the Dripping Springs campground entrance. On the S side of Hwy. 79. 475 Comment
  RSA0126837  Matricaria occidentalis R. E. Riefner Jr. 2017-5-18 17 -257 Riverside City of Hemet, E of Winchester, N of Simpson Road, E of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  SD152791  Meconella denticulata Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon, along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  POM276580  Medicago polymorpha Lyman D. Benson 1932-3-26 3159 Riverside 3 miles N [of] Temecula. 457 Comment
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Dec 4 2011
  UCR165193  Medicago polymorpha S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR95244  Melaleuca citrina D. L. Banks, E. H. Banks 1996-5-2 956 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
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Jun 5 2006
  RSA192249  Melica frutescens E. W. Lathrop 1966-6-1 6352 Riverside Tenaja Range, Fisherman's Creek Camp. Comment
  RSA689452  Melica frutescens Scott D. White, Michael Honer 2003-4-9 8996 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  RSA10520  Melica imperfecta C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  UCR240631  Melica imperfecta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 405 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR41238  Melica imperfecta N. M. Fellows 1984-3-20 7 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  CSUSB1119  Melilotus indicus Arthur P. Donaldson 1966-5-19 Riverside Collected from the Santa Ana River Bottom at it's entrance to Fairmount Park in the city of Riverside. 262 Comment
  UCR80279  Mentha aquatica L. C. Wheeler 1932-9-4 1316 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  SD260065  Mentzelia albicaulis J. Andre 2012-4-11 20778 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  UCR267889  Mentzelia albicaulis Jim Andre 2013-3-4 23862 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  JEPS29275  Mentzelia desertorum Rimo Bacigalupi, L. Heckard and P. Hutchison 1962-3-21 8343 Riverside 2.3 mi below and sw Shavers (along Calif. Highway 195); Box Canyon Wash 243 Comment
  RSA698074  Mentzelia involucrata J. R. Bruff 1930-5-18 s.n. Riverside Shaver s Well. Comment
  RSA717446  Mentzelia involucrata Scott D. White, Pam DeVries 2006-3-14 11258 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA760148  Mentzelia involucrata Gregory Pongetti 2005-4-9 25 -May Riverside Box Canyon Wash, 7.5 miles on Box Canyon Road south of I-10. Comment
  UCR196363  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  CDA36639  Mentzelia involucrata var. megalantha G. D. Barbe, T. C. Fuller 1973-2-27 1060 Riverside 0.2 mile east of Coachella Canal on Highway 195, Box Canyon Wash, northeast of Mecca. 0 Comment
  RSA0021559  Mentzelia jonesii Duncan S. Bell, Aaron Sims 2012-3-10 2046 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  CSUSB921  Mentzelia micrantha Richard L. Irwin 1962-4-21 0038 Riverside Beneath center of Crestmore Road bridge over Santa Ana River 243 Comment
  RSA446777  Mentzelia micrantha N. C. Cooper 1944-6-4 1351 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  RSA544397  Microseris douglasii subsp. douglasii Steve Boyd 1991-5-30 6324 Riverside Perris Valley, saline soil along San Jacinto River at crossing of I-215, 2 mi E of Perris Comment
  UCR112009B  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2000-5-25 23410 B Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA543772  Microseris heterocarpa Steve Boyd 1991-5-7 6173 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR116413  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24187 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
  RSA0018769  Mimetanthe pilosa Philip A. Munz, I. M. Johnston 1924-7-27 8849 Riverside 7 miles SE of Poppet Flat. San Jacinto Mountains. 1524 Comment
  UC943879  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 C Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  POM305795  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1064 Riverside Elsinore - Capistrano. Comment
  RSA444468  Mimulus aurantiacus var. puniceus Roos 1966-4-29 s.n. Riverside Rocky hills between March Air Force Base and Lakeview. Comment
  UCR101554  Mimulus aurantiacus var. puniceus A. C. Sanders 1997-3-19 20055 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  SEINET4095872  Mimulus brevipes C. Davidson 1975-1 2812 Riverside 5.4 miles north of Alameda Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA388422  Mimulus cardinalis Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61190 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR268272  Mimulus cardinalis Jim Andre 2012-6-15 30512 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  RSA543623  Mimulus diffusus Steve Boyd 1991-5-7 6158 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA717679  Mimulus guttatus A. C. Sanders 2004-5-5 27781 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UC63725  Mimulus guttatus H. M. Hall May 1899 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  UCR99194  Mimulus guttatus M. J. Wangler 1993-4-21 29 Riverside Riverside, small tributary of Sycamore Canyon Wash 1 km east of Sycamore Canyon Wash, and 300 m south of Central Ave. within Sycamore Canyon Co. Park 400 Comment
  JEPS3007  Mimulus palmeri Frank W. Peirson 1929-5-4 Riverside summit St. John's Grade 792 Comment
  JOTR16849  Mimulus pilosus Moore, Sue 1968-6-19 s.n. Riverside Joshua Tree National Park. BARKER DAM 1280 Comment
  RSA564287  Mimulus pilosus 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
  RSA701395  Minuartia douglasii Steve Boyd, Aydee Virgen 2004-4-13 10884 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR97267  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA770889  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4592 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR176753  Mirabilis laevis Jennie Phui 1998-5-30 041 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  RSA464251  Mirabilis laevis var. crassifolia Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs. Colorado desert. 400 Comment
  JEPS61300  Mirabilis laevis var. retrorsa W. L. Jepson 1914-5-18 6018 Riverside County Well, on grade from Pinion Well to Indio 304 Comment
  RSA550345  Mirabilis laevis var. villosa Walter Wisura, John Dolan, M. Wall 1992-3-25 4643 Riverside Lowdesert: Cuckwalla Mts. 2.1 mi W of Corn Spring. Comment
  RSA700904  Mirabilis multiflora var. pubescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Pinon Flat Comment
  UC7644  Mirabilis multiflora var. pubescens H. M. Hall June, 1901 2162 Riverside 4550 ft Vandeventer Flat Comment
  LA205967  Mirabilis tenuiloba John O'Leary; 1932-4-8 429 Riverside next to Hwy 111, at 2 mi W of Palm Springs Comment
  CLARK-A1528-4222  Mohavea confertiflora John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CLARK-A1528-4225  Mohavea confertiflora John C. Roos 1937-4-28 1287 Riverside Desert Center Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA450530  Mohavea confertiflora Barry A. Prigge 1988-2-21 7846 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA516911  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1453 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA799255  Mohavea confertiflora Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 740 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UCR148451  Mohavea confertiflora 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
  CDA6774  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  CAS-BOT-BC215700  Monardella australis Carl B. Wolf 1932-8-5 3964 Riverside San Jacinto Mts. 100 yds. beyond 1 St., meadow on trial from Tahquitz Valley to San Jacinto Peak 2743 Comment
  RSA160551  Monardella australis subsp. australis J. D. Olmsted 1959-7-8 742 Riverside On trail from saddle to San Jacinto Peak, 100 feet above Wellman s Cienega 5 miles ENE of Idyllwild. Drainage area: Tahquitz Creek 2835 Comment
  SD136813  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross 1992-6-10 7634 Riverside San Mateo Canyon Wilderness Area; San Mateo Canyon Poterro Escondido. 671 Comment
  UCR121211  Monardella lanceolata D. E. Bramlet 1989-5-19 1871 Riverside Perris-Aguanga Basin region, South Domengoni Hills, 6000 ft. south of Newport Rd. and 5000 ft. east of MWD canal 518 Comment
  UC1499891  Monardella nana Elizabeth McClintock 1941-5-31 54 Riverside About 5 miles from Anza Monument turn off Comment
  RSA750398  Monardella nana subsp. arida Elizabeth McClintock, J. Fenley 1940-5-31 15 Riverside 2 miles east of Ribbonwood Camp, Pines to Palms Highway. Comment
  UCR221479  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 047 Riverside Peninsular Range; San Jacinto Mtns. Region, [Terwilliger Valley] 5.5 miles from [south of] turnoff to Anza Monument [from modern Hwy 371, toward Coyote Canyon] 1180 Comment
  RSA750302  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 115 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA750305  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 120 Riverside San Jacinto Mts. Devil s Slide trail. Comment
  UC104684  Monardella nana subsp. tenuiflora A. W. Anthony 1895-7-2 Riverside San Jacinto 2590 Comment
  UCR146121  Monardella nana subsp. tenuiflora Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, first peak west of Toro Peak 2617 Comment
  UCR221474  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 116 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  UCR18617  Monolepis nuttalliana O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  CAS-BOT-BC349785  Monoptilon bellioides N. Aitkenhead 1977-2-3 2125 Riverside Moniobra Valley N. of Orocopia Mnts Comment
  JEPS24431  Monoptilon bellioides Peter M. Ray 1949-3-6 1329 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  JOTR16606  Monoptilon bellioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  POM363577  Monoptilon bellioides M. B. Dunkle 1933-3-4 3067 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UC1922392  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCSB9911  Monoptilon bellioides Koran, Jr., John 1958-4-1 Riverside Along Banning-Idyllwild Hwy., 2.4 mi. S.W. of Hwy. 111 Comment
  UCR37698  Moraea polystachya Steve Morgan 1984-11-2 s.n. Riverside University of California, Riverside. Botanic Garden Comment
  UCR106351  Muhlenbergia asperifolia John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR113921  Muhlenbergia asperifolia Mitch Provance, A. C. Sanders 2000-7-4 2112 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA0078488  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  SEINET10468382  Muhlenbergia richardsonis A. K. Evans 1976-4-13 Evans 5132 Riverside Desert canyons of Santa Rosa Mountains. Comment
  RSA192079  Muhlenbergia rigens E. W. Lathrop 1966-5-25 6333 Riverside 5 miles NW of Murrieta. Comment
  RSA403607  Muhlenbergia rigens I. W. Clokey, E. G. Anderson 1935-8-21 6524 Riverside Fuller Creek. Comment
  POM13204  Muilla maritima Philip A. Munz, I. M. Johnston 1922-5-20 5465 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  UC905451  Muilla maritima P. A. Munz 1922-4-29 5106 Riverside near Sedco Station (s of Elsinore) Comment
  CAS-BOT-BC83352  Myosurus minimus A. C. Sanders 1993-4-5 13691 Riverside Western edge of Hemet, along south side of Devonshire Avenue, between Old Warren and Warren Roads. 460 Comment
  RSA33376  Nama demissa N. C. Cooper 1944-3-25 1036 Riverside Morongo Pass. 457 Comment
  UCR214291  Nama demissa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37481 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR241518  Nama demissa A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40640 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA263725  Nassella pulchra E. W. Lathrop 1966-3-23 6093 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  POM10420  Navarretia atractyloides R. Johnson 1905-06 s.n. Riverside West Riverside Comment
  RSA192023  Navarretia atractyloides E. W. Lathrop 1960-6-6 4836 Riverside 14 miles west of Murrieta. Comment
  RSA654178  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains: Twin Canyons, S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  RSA769773  Navarretia atractyloides Duncan S. Bell, J. D. England 2010-5-17 1006 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  UCR70681  Navarretia fossalis D. E. Bramlet 1991-6-1 2170 Riverside Perris-Aguanga Basin region, San Jacinto River, about 2.2 km west of Lakeview, within the riverbed, 1 mi north of MWD (Colorado Aqueduct) easement road 473 Comment
  UCR279517  Nemacladus A. C. Sanders, Jim Malusa 2017-3-27 43103 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  RSA781526  Nemacladus glanduliferus var. orientalis Duncan S. Bell 2010-5-1 875 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  JEPS5403  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 A Riverside San Jacinto River Comment
  RSA583748  Nemacladus ramosissimus Steve Boyd 1995-4-24 8483 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  POM68091  Nemacladus rubescens var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  JOTR31090  Nemacladus sigmoideus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2352 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  SBBG7470  Nemacladus tenuis var. tenuis H. and M. Dearing 1937-4-10 1834 Riverside Thousand Palms Cyn Comment
  UCR225212  Nemophila menziesii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5166 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCR225595  Nemophila menziesii A. C. Sanders 2011-3-29 38859 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR241479  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1006 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  RSA421269  Nemophila menziesii var. integrifolia H. Twining 1890-04 s.n. Riverside Riverside. Comment
  RSA776228  Nemophila menziesii var. menziesii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 876 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  RSA33528  Nicotiana attenuata Robert L. Rutherford 1944-7-15 1577 Riverside Palms to Pines Highway. 1220 Comment
  CLARK-A1528-885  Nicotiana bigelovii Bruce A. Beebe 1970-5-16 41 Riverside Lakeview Mountains 670 Comment
  RSA744303  Nicotiana obtusifolia M. Wall 2009-4-5 503 Riverside Ladder and Painted Canyons east of Mecca. 231 Comment
  RSA648734  Nolina bigelovii J. C. Roos 1948-5-15 3852 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  UC219553  Nolina parryi P. A. Munz 1922-6-30 5928 Riverside rocky slopes s Santa Rosa; Santa Rosa Mts. 1767 Comment
  UC197907  Notholaena californica S. B. and W. F. Parish 1882-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Mar 9 2011
  UCSB38665  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  POM897  Notholaena californica subsp. californica P. A. Munz 1918-4-27 2167 Riverside Temescal Canyon. Comment
  SEINET7042765  Oenothera W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  POM355307  Oenothera californica subsp. californica Ora M. Clark 1929-4-6 1932 Riverside W. Riverside. Comment
  RSA500111  Oenothera californica subsp. californica Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3661 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  UCR133714  Oenothera californica subsp. californica N. C. Cooper 1944-4-22 1143 Riverside San Gorgonio Pass, Banning 701 Comment
  RSA152010  Oenothera deltoides subsp. deltoides David P. Gregory 1960-4-8 361 Riverside 5 miles NW of Palm Desert. Comment
  UCSB4444  Oenothera deltoides subsp. deltoides Gill, Robert 1960-3-23 Riverside About 1 mile up Snow Canyon from road to Palm Springs, San Jacinto Mt. Range 396 Comment
  UCR133660  Olea europaea 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
  CAS-BOT-BC427469  Oligomeris linifolia L. A. Greata 1905-1-1 490 Riverside Coachella Comment
  POM8531  Oligomeris linifolia Mary F. Spencer 1920-3-14 234 Riverside Desert sand, Colorado Desert. -60 Comment
  RSA0042168  Oligomeris linifolia Duncan S. Bell, Evan Meyer 2014-4-2 6518 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA612615  Oligomeris linifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1500 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
  SEINET7259361 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 5323 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  UCR166720  Oligomeris linifolia Scott D. White, Jennifer H. Jones 2005-4-12 10866 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  CAS-BOT-BC478172  Oncosiphon piluliferum R. E. Jr. Riefner 2015-4-2 15 -107 Riverside Perris/Menifee area, Patricia Ln. at Barnett Rd., S of Ethanac Rd. and W of I-215 441 Comment
  RSA781254  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR252209  Oncosiphon piluliferum J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR266155  Oncosiphon piluliferum R. E. Riefner Jr. 2015-4-3 15- 108 Riverside Perris-Agunaga Basin, city of Menifee, Haun Road at Holland Road 446 Comment
  RSA7219  Opuntia chlorotica B. D. Stark 1932-6-5 3709 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  UCR94058  Opuntia chlorotica Scott D. White, D. Haselfeld 1996-7-2 4268 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA20710  Opuntia parryi C. B. Wolf 1938-1-5 9385 Riverside San Gorgonio Pass, 1 mile west of Cabazon. 549 Comment
  SEINET9192033 Image available Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5km north of central Banning, 39km NW of central Palm Springs 841 Comment
  RSA0072125  Orobanche cooperi G. K. Helmkamp 1998-4-4 3144 Riverside Southern Mojave Desert: junction of CA Hwy 62 (Twentynine Palms Hwy) & CA Hwy 177 (Desert Center-Rice Rd). 457 Comment
  UC887969  Orobanche cooperi C. L. Hitchcock 1940-3-29 5845 Riverside 12 mi e of Indio Comment
  UCR30101  Orobanche cooperi George K. Helmkamp 1983-4-5 483 32 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC455564  Orobanche fasciculata I. J. Condit 1910-6-22 Riverside San Jacinto Mountains. Comment
  SEINET8466925 Image available Orobanche fasciculata Norman C. Cooper 1944-6-17 1406 Riverside San Jacinto Mtns. West side, Co. 1372 Comment
  POM256964  Orthocarpus purpurascens var. pallidus W. Pequegnat 1940-4-28 s.n. Riverside Bedford Truck Trail. 366 Comment
  OBI32754  Osmorhiza brachypoda E. W. Lathrop 1966-3-30 6124 Riverside Plants of Santa Ana Mts. Trl between El Carriso and Santiago Peak, Cleveland Natl forest 1219 Comment
  UCR95212  Osteospermum ecklonis D. L. Banks, E. H. Banks 1996-5-2 953 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  RSA751627  Oxalis pes-caprae G. Gust, L. Nye 2005-3-11 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 Comment
  UCR256885  Oxytheca caryophylloides G. D. Wallace 2003-7-8 4049 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR251986  Oxytheca emarginata A. C. Sanders, T. B. Salvato 2014-7-2 41169 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  CAS-BOT-BC327899  Palafoxia arida Ira L. Wiggins 1941-3-24 9573 Riverside Along eastern side of Salton Sea, 2.7 miles S of Mortmar Comment
  HSC6042  Palafoxia arida R. A. Eagle 1964-3-28 16 Riverside 2 mi. this side of Palm Springs Comment
  SBBG15848  Palafoxia arida H. Yokoyama 1953-3-22 141 Riverside Morongo Cyn Comment
  UCR41271  Palafoxia arida B. G. Pitzer 1986-2-9 0003 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UC1069985  Palafoxia arida var. arida H. S. Yates 1936-4-6 5408 Riverside Palm Springs San Jacinto Quadrangle Comment
  UC1537047  Palafoxia arida var. arida Gordon H. True 1938-3-15 976 Riverside e Indio (near Kane Springs) 3 Comment
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Feb 24 2013
  UC35598  Palafoxia arida var. arida S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mountain) 152 Comment
  UCSB6656  Palafoxia arida var. arida Haller, John 1960-4-2 Riverside South side of U.S. highway 60-70, 5.8 miles east of Desert Center 243 Comment
  SD193036  Panicum acuminatum var. acuminatum Scott D. White, Justin Wood 2007-4-16 11653 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 334 Comment
  SD217187  Panicum capillare Darin L. Banks, Elizabeth Hedge Banks & John B. Hedge 1996-6-6 1122 Riverside Northwest foothills of Dorland Mountain; south end of Los Caballos Road, approximately 20 meters north of the gate to the University of California-Emerson Oaks Reserve, across from the junction with the road to the local golf course, in a vineyard 427 Comment
  UCR95459  Panicum capillare D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1122 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn; S end of Los Caballos Road, approximately 20 m north of the gate to the University of California-Emerson Oaks Reserve, across the junction with the road to the local golf course, in a vineyard 427 Comment
  CAS-BOT-BC540738  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot; Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  RSA262110  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  CHSC109711  Parietaria hespera Steve Boyd; A. Maurice, P. Lubinsky, L. Lubinsky 2003-4-17 10475 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. Area burned in 2001. Comment
  UCR101559  Parietaria hespera var. californica A. C. Sanders 1997-3-19 20052 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  LA99452  Parkinsonia florida Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  UCR126436  Parkinsonia florida T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 048 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
  RSA698050  Parosela schottii J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  SD236442  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 Riverside San Bernardino Valley Region: Santa Ana Riverbottom at Norco between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 164 Comment
  RSA387326  Pectis papposa Aaron Liston, Thomas S. Elias, Oscar Dorado, S. Zona 1986-11-29 643 -2 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
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Oct 9 2010
  UCD134925  Pectis papposa var. papposa G. L. Webster; R. Hildreth 1966-12-10 7465 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UCR97470  Pectocarya anisocarpa A. C. Sanders 1997-3-1 19754 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA517909  Pectocarya heterocarpa Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1314 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA660562  Pectocarya linearis Starr Streight 1982-4-17 76 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  RSA674708  Pectocarya linearis Scott D. White 2000-5-1 7743 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR171964  Pectocarya linearis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA741101  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-6-5 12082 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCSB46750  Pectocarya penicillata Roos, John 1966-4-5 Riverside In the hills near Winchester Comment
  RSA0123680  Pectocarya recurvata Duncan S. Bell, LeRoy Gross 2016-3-9 8861 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  SEINET13709265  Pellaea andromedifolia J. Adams, J. Adams (Botany) 1966-1 743 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  SD153021  Pellaea andromedifolia var. andromedifolia Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7312 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 365 Comment
  IRVC3147  Pellaea mucronata R. H. Whittaker, W. A. Niering 1963-6-1 SJ 109 Riverside Santa Rosa Mtns; road opposite Pinyon Flats Canyon. Peninsular Ranges 1280 Comment
  RSA709082  Pellaea mucronata T. B. Salvato, John F. Green 2004-5-27 626 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  POM8766  Pellaea mucronata var. mucronata P. A. Munz, Harwood 1920-2-28 3231 Riverside 2 mi. southeast of Corona 274 Comment
  UC1045322  Pellaea mucronata var. mucronata R. M. and A. F. Tryon Jr. 1950-7-14 5058 Riverside on road 74 ca. 20 mi s Palm Springs Comment
  RSA0006178  Penstemon californicus Philip A. Munz, J. M. Johnston 1922-5-21 5445 Riverside San Jacinto Mts., Kenworthy, Hemet Valley; 2 miles NW of Kenworthy. 1372 Comment
  NY583866  Penstemon centranthifolius H. M. Hall 1899-5-31 s.n. Riverside Smith Mountain on north slope 762.0 Comment
  CAS-BOT-BC265290  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside N of Vandeventer Flat, Santa Rosa Mountains 1676 Comment
  POM15011  Penstemon grinnellii Mary F. Spencer 1922-7-2 1670 Riverside FernValley. Idyllwild. 1829 Comment
  SD229290  Penstemon labrosus Dick Schwenkmeyer 2012-8-7 781 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA401810  Penstemon spectabilis Jack Rempel, Miller 1934-7-17 20188 Riverside San Jacinto. Comment
  NY661195  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25282 Riverside Route 74, west slope of San Jacinto Range 1280.2 Comment
  POM4217  Penstemon spectabilis var. spectabilis Jenkins, Street 1917-5-30 1936 Riverside San Jacinto River. Comment
  RSA0015690  Pentagramma triangularis Duncan S. Bell 2013-9-29 6048 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  RSA0070717  Pentagramma triangularis Scott D. White, Angelia Carey 2004-4-5 9986 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  CAS-BOT-BC71579  Pentagramma triangularis subsp. maxonii Larry Kiefer 1963-3-24 483 Riverside Andreas Canyon 365 Comment
  CAS-BOT-BC77496  Peritoma arborea var. angustata Roxana S. Ferris 1918-6-14 990 Riverside At Shavers Well in Box Canyon, Chocolate Mts. Comment
  HSC79980  Peritoma arborea var. arborea James Henrickson 1973-3-18 8610 Riverside 33 mi. E of Temecula, 5-7 mi. SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon, in wash of Coyote Canyon 762 Comment
  JOTR32153  Perityle emoryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2308 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  JOTR34329  Perityle emoryi Andre, Jim 2012-4-11 20833 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  SD224864  Perityle emoryi G. K. Helmkamp 1998-2-5 2648 Riverside Palm Springs, 1.1 mi. W of CA Hwy 111 on Tramway Rd. 334 Comment
  SEINET3217334 Image available Perityle emoryi Teresa B. Salvato 2010-4-20 4057 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (MxCoy Peak 7.5 Q.) 183 Comment
  UC306394  Perityle emoryi Geo. B. Grant 1896-4-20 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UC565485  Perityle emoryi Margaret Stason 1927-3-12 Riverside Colorado Desert Comment
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Nov 12 2011
  UCR200298  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11214 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 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 549 Comment
  SJSU6730  Petalonyx thurberi C. W. Sharsmith 1974-1-6 8015 Riverside Palm Springs Comment
  UCR17237  Petalonyx thurberi N. R. Zabriskie, W. W. Zabriskie 1971-10-23 452 Riverside Western Colorado Desert/ San Jacinto Mtns, near Andreas Canyon Club Gate, South Palm Canyon Drive, Palm Canyon drainage, E slope of San Jacinto Mtns Comment
  UC598734  Petalonyx thurberi subsp. thurberi John Bright 1936-4-21 12792 Riverside n. of Palm Springs; Colorado Desert Comment
  POM319385  Petunia parviflora Patricia Wilder 1970-10-15 4813 Riverside At base of Prado Dam near locks in Prado Flood Control Basin. East of Chino Hills, Santa Ana River. 122 Comment
  UCR110419  Petunia parviflora A. C. Sanders, Mitch Provance 1999-9-26 23128 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
  JOTR34373  Peucephyllum schottii Andre, Jim 2012-4-16 20892 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  POM48451  Peucephyllum schottii P. A. Munz, D. D. Keck 1925-3-7 9347 Riverside Painted Canyon, Mecca. Comment
  RSA0103625  Phacelia Duncan S. Bell 2015-9-30 8651 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA234102  Phacelia ambigua Robert F. Thorne, R. Carolin 1967-3-21 41632 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA286433  Phacelia ambigua Mary H. O Brien 1976-4-14 s.n. Riverside Roadside of Amboy Road 3 miles of Adobe Road in 29 Palms. 595 Comment
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Mar 29 2014
  RSA426000  Phacelia ambigua Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
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Nov 26 2011
  RSA427680B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 a Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA525406  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4515 Riverside Vail Lake area, benches along Kolb Crk. W of Dripping Springs, S of Hwy 79, at jtn w/ Woodchuck Rd. 488 Comment
  RSA75503  Phacelia brachyloba F. W. Peirson 1924-7-29 5021 Riverside Road between Banning and Idyllwild. 1768 Comment
  RSA771630  Phacelia campanularia subsp. campanularia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4992 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  RSA160528  Phacelia campanularia subsp. vasiformis J. D. Olmsted 1958-3-29 83 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring Roads, Joshua Tree. 991 Comment
  SD260054  Phacelia campanularia subsp. vasiformis J. Andre 2012-4-11 20781 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UCR20788  Phacelia cicutaria var. hispida A. C. Sanders, Steve Boyd 1980-5-2 1420 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR104637  Phacelia ciliata D. E. Bramlet 1996-4-12 2451 Riverside San Jacinto Wildlife Area. 46m S and 23m west of the N end of Pond No. 1. 1.4 km NE of the reserve at Davis rd. 433 Comment
  RSA776251  Phacelia crenulata Duncan S. Bell 2010-3-20 631 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SDSU6651  Phacelia crenulata C. V. Morton 1949-3-20 2066 Riverside 16 miles east of Mecca, Riverside Co. 518 Comment
  UC881052  Phacelia crenulata var. ambigua C. L. Hitchcock 1940-3-30 5877 Riverside Cottonwood Spring Comment
  UCR167265  Phacelia crenulata var. ambigua 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
  CHSC34463  Phacelia crenulata var. crenulata Al Boynton 1966-3-26 35 Riverside 10 mi SE. of Thousand Palms in White Water canyon. San Bernardino Mts. 457 Comment
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Jan 15 2010
  SD215567  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan and M. Wall 1992-3-25 4647 Riverside Ford Dry Lake, north of I-10 at Hopkins Well. Comment
  CLARK-A1528-3006  Phacelia distans John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  JEPS2384  Phacelia distans Carl V. Meyer 1929-6-13 753 Riverside Chalk Hill San Jacinto Mts. (sw slope) 1524 Comment
  RSA23173  Phacelia distans I. L. Wiggins 1938-3-25 8927 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  RSA426211B  Phacelia distans N. C. Cooper 1949-4-8 3309 Riverside Desert Center. 610 Comment
  RSA601108  Phacelia distans A. C. Sanders 1996-5-1 18097 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  RSA784136  Phacelia distans J. D. Olmsted 1959-4-30 502 Riverside Spring Trail at Beacon Pines Ranch; 9 miles southwest of Corona. Santa Ana Mountains. Drainage area to Santa Ana River. 747 Comment
  SFV21962  Phacelia distans J. N. Hogue 2011-3-27 376 .4 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  UCR176885  Phacelia distans Tracy Tennant 1998-6-5 1028 Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 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
  UCR272903  Phacelia distans Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3075 Riverside Mojave Desert, east side of the Arica Mountains, along the old RR tracks on the west side of Rice Valley, c. 6.25 air miles south of the ghost town of Rice 224 Comment
  UCR91426  Phacelia distans Scott D. White 1995-3-30 2654 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA125333  Phacelia imbricata subsp. patula R. Weatherby 1949-6-6 642 Riverside Santa Rosa Mountain. 1982 Comment
  SBBG55031  Phacelia minor D. Keil, M. McLeod 1979-3-18 12968 Riverside Alberhill Jct along St Hwy 71 365 Comment
  SDSU6654  Phacelia minor D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  UCR16560  Phacelia minor Dorothy Detrich 1966-5-4 23 Riverside San Jacinto Mtns, Old Banning to Idyllwild Rd 732 Comment
  UCR47234  Phacelia minor B. G. Pitzer, L. F. LaPre 1987-3-2 0441 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA645620  Phacelia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  CLARK-A1045-872  Phacelia pachyphylla George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  SD181476  Phacelia ramosissima Scott D. White 1999-5-24 7374 Riverside Perris Basin, Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1I(c)-2 miles west of I-215 freeway. Abundant at a single rocky outcrop. USGS Romoland 7.5' quad. 440 Comment
  UCR181345  Phacelia ramosissima Mitch Provance 2003-7-7 6527 Riverside San Bernardino Valley, S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just south of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, c. 0.3 miles ENE of peak 1437 317 Comment
  LA205628  Phacelia ramosissima Elizabeth McClintock; 1936-7-19 s.n. Riverside SAN JACINTO MOUNTAINS, Idyllwild. Comment
  RSA517935  Phacelia rotundifolia Steve Boyd, Orlando Mistretta 1986-3-13 1413 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR114539  Phalaris aquatica A. C. Sanders, K. C. Rose 1999-6-18 22807 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR82279  Phalaris minor J. M. Stewart 1994-5-2 849 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  POM14420  Phalaris minor P. A. Munz, I. M. Johnston 1922-5-19 5381 Riverside 8 miles NE of Murietta. 412 Comment
  SD114076  Philadelphus microphyllus var. pumilus Darley F. Howe 1973-7-28 4885 Riverside Santa Rosa Mts. 2438 Comment
  SEINET10780805  Pholisma arenarium George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-10 Yatskievych 11 -13 Riverside Ca. 6 mi NW of junction with State Highway 371 (in Anza) along Bautista Road, San Bernadino National Forest; sandy bench in drainage of Bautista Creek. 1100 Comment
  CAS-BOT-BC540726  Pholistoma membranaceum Sarah J. De Groot; Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, SE San Bernardino Mountains, NW of Desert Hot Springs 780 Comment
  UCR102917  Pholistoma membranaceum George K. Helmkamp 1997-3-5 1340 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR167302  Pholistoma membranaceum Scott D. White 2005-3-29 10829 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  JEPS42602  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Colorado Desert, Indian Wells Comment
  POM182068  Phoradendron californicum Philip A. Munz 1932-3-14 11984 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCR228864  Phoradendron californicum Jim Andre 2011-2-9 15909 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR96817  Phoradendron californicum Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  UCSB1315  Phoradendron californicum Sturdy, C. 1957-4-21 Riverside 10 mi East of Coachella on route 60 60 Comment
  UCD102236  Phoradendron leucarpum subsp. tomentosum A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy. 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza. 1441 Comment
  RSA289859  Phragmites australis B. A. Prigge 1980-12-15 4118 Riverside Whitewater Marsh: 4 miles S of Mecca -70 Comment
  UCR240205  Phragmites australis C. J. Minar 1994-5-7 11 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  RSA0014465  Physalis crassifolia Justin M. Wood, J. Miner 2010-4-29 1539 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA663919  Physalis crassifolia C. R. Annable 1995-3-15 2285 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  UCR227001  Physalis crassifolia Jim Andre 2011-2-2 16222 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  SD181324  Physalis philadelphica Scott D. White 1998-10-13 7179 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. Joseph Canyon wash near a disused quarry 334 Comment
  UC1129884  Pickeringia montana var. tomentosa R. St. John 1931-2-27 190 Riverside Sitton Peak Elsinore Quadrangle 991 Comment
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Nov 27 2011
  RSA234024  Pilularia americana R. F. Thorne, Earl Lathrop 1969-6-6 39321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  JEPS46918  Pinus attenuata Carl V. Meyer 1929-11-29 Riverside 250 yd e Keen Camp Ranger sta. Comment
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Mar 27 2014
  UCR8099  Pinus coulteri B. Freeman 1969-3-24 690324- 01 Riverside San Jacinto Mtns., James Reserve, c. 20 m west of Indian Creek. 1646 Comment
  UCSB70  Pinus jeffreyi Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  SBBG99806  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside transition from desert to Joshua Tree Nat Monument 1219 Comment
  SD229030  Pinus monophylla Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 634 Riverside Mt. San Jacinto 1085 Comment
  UC219283  Pinus quadrifolia Munz and Johnston 1922-5-20 5492 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
  UCR270756  Piptatherum miliaceum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8369 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
  SBBG119105  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  RSA523318  Plagiobothrys canescens G. H. True 1935-2-20 9 Riverside Box Springs, Sycamore Canyon. 366 Comment
  SEINET7063135  Plagiobothrys canescens A. G. Vestal 1963-3-26 s.n. Riverside Near Wood Canyon ?, Banning. UTM Zone 11, 511375mE, 3751508mN. (WGS84/NAD83). 701 Comment
  UCR127363  Plagiobothrys canescens A. C. Sanders, D. Malueg 2003-5-8 26559 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR220143  Plagiobothrys canescens D. E. Bramlet 1997-3-13 2485 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, general vicinity of park entrance, just west of Old Warren Rd. 1.07 km north of intersection of entrance road and Old Warren Rd. 465 Comment
  SEINET6060264  Plagiobothrys collinus Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR12247B  Plagiobothrys collinus O. F. Clarke 1973-1-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  UCR172204  Plagiobothrys collinus 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
  UCR239800  Plagiobothrys collinus O. F. Clarke 2006-4-15 s.n. Riverside Peninsular Range, Riverside; south side of UCR campus, hills by water tank 401 Comment
  RSA702727  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2004-4-6 10062 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SEINET998504  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-1 9895 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. 274 Comment
  UCR241809  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40735 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR67342  Plagiobothrys leptocladus A. C. Sanders 1991-4-19 10927 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
  RSA180399  Plagiobothrys nothofulvus E. W. Lathrop 1965-3-30 5598 Riverside 14 miles W of Murrieta. Comment
  CLARK-A1528-2263  Plagiobothrys parishii John C. Roos 1950-3-18 4713 Riverside Perris 457 Comment
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Feb 23 2014
  RSA695840  Plagiobothrys tenellus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  UCR113198  Plagiobothrys tenellus A. C. Sanders 1998-3-11 21662 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR22098  Plagiobothrys tenellus Steve Boyd 1980-5-2 155 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC174041  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  PASA25  Plantago erecta 1926-2-21 Riverside Thousand Palms Comment
  RSA524397  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4119 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR155040  Plantago erecta A. C. Sanders, Kelly Volansky 2005-3-17 29214 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
  UCR225583  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-29 38872 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  JEPS22327  Plantago ovata Peter H. Raven 1958-2-15 11563 Riverside Corn Springs Chuckwalla Mountains Comment
  UCR172222  Plantago ovata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  UCR42481  Plantago ovata P. J. Leary 1975-2-15 917 Riverside Mojave/Colorado Desert, Joshua Tree National Monument [now Park], 2 mi. NW of Mission Well 488 Comment
  RSA155555  Plantago ovata var. fastigiata L. S. Rose 1962-3-2 62008 Riverside La Quinta 3 Comment
  RSA336201  Plantago ovata var. fastigiata Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52019 Riverside San Jacinto Mountains: Chino Canyon, Palms to Pines Highway. Comment
  RSA402021A  Plantago ovata var. fastigiata Ora M. Clark 1929-2-23 1557 Riverside North of Whitewater Comment
  RSA555334  Plantago ovata var. fastigiata A. C. Sanders, E. J. Lawlor 1992-4-4 12087 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  POM157910  Plantago patagonica P. A. Munz 1927-5-20 10809 Riverside 10 miles S. of Hemet. Comment
  RSA770451  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4563 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  CHSC35880  Platanus racemosa James Henrickson 1972-5-21 7193 a Riverside Ca. 13 air mi. W. of Temecula in Matec Cyn. along Tenaja Rd. in flat area above steep falls along rd; ca. 4 mi. N. of Tenaja Campground. 457 Comment
  RSA125985  Platanus racemosa E. K. Balls, Percy C. Everett 1957-11-4 22742 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  CAS-BOT-BC91883  Platystemon californicus Lyman Benson 1932-3-26 3162 Riverside 3 miles north of Temecula. 457 Comment
  POM169735  Platystemon californicus Lyman Benson 1932-3-26 s.n. Riverside 3 miles N [of] Temecula. 457 Comment
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Jun 16 2012
  CDA32628  Pleuraphis rigida G. D. Barbe, J. L. Johnson 1982-11-2 4016 Riverside 1.3 miles south of Wiley s Well, 0.7 mile north of Coon Hollow Campground. 0 Comment
  RSA0019778  Pleuraphis rigida April Garbat, Rachel Poutasse 2013-3-20 10 Riverside Graham Pass Rd, S 5 miles from junction with Chuckwalla Rd. In drainage/wash to west of rd, 1 mile S of power lines. 145 Comment
  RSA747835  Pleuraphis rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC573683  Pleuraphis rigida H. S. Yates 1937-3-23 6442 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UC1929845  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside SONORAN DESERT: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajadas, washes, and mtn. foothils near powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR202037  Pleurocoronis pluriseta Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UC130511  Pluchea odorata var. odorata G. R. Hall 1908-1 Riverside Riverside Southern California, Riverside Comment
  CAS-BOT-BC326511  Pluchea sericea W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon Comment
  CAS-BOT-BC326543  Pluchea sericea Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 484 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 609 Comment
  POM4882  Pluchea sericea Robinson, Crocker 1916-7-3 S.N. Riverside Elsinore. Comment
  SEINET2053984 Image available Pluchea sericea Howard S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  RSA604606  Poa annua L. C. Wheeler 1961-6-24 7915 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  SEINET1911032  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12260 Riverside San Jacinto Mountians: Meadows at Baldy Mtn. 1585 Comment
  UCR201616  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR244428  Poa secunda subsp. secunda Jim Andre 2012-4-16 20961 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  RSA674526  Polygonum arenastrum Scott D. White 2000-11-15 8149 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA554280  Polygonum argyrocoleon Scott D. White 1992-2-25 92 -11 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  POM319090  Polygonum lapathifolium Patricia Wilder 1970-10-15 4777 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA799069  Polypogon monspeliensis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  RSA0123108  Populus fremontii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9015 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  UCR197058  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 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
  RSA775664  Porophyllum gracile Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 813 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA517268  Portulaca oleracea George K. Helmkamp 1989-9-16 s.n. Riverside S of Ripley at 32nd Str. & Rannells Blvd. 75 Comment
  CAS-BOT-BC452155  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mt. In Surprise Lake Comment
  RSA784141  Potentilla gracilis var. elmeri J. D. Olmsted 1959-6-23 668 Riverside Saunder's Meadow - near Idyllwild. M. Fk. San Jacinto. 1646 Comment
  SJSU5255  Prenanthella exigua R. C. McGehee 1970-4-15 205 Riverside Wileys Well, 26 mi SW of Blythe Comment
  UCR167324  Proboscidea althaeifolia Scott D. White, J. Wood 2005-10-4 11235 Riverside San Gorgonio Pass, Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River 595 Comment
  UCR17639  Proboscidea althaeifolia Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  CAS-BOT-BC206983  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  RSA525268  Prosopis glandulosa var. torreyana Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4581 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA87020  Prosopis glandulosa var. torreyana F. W. Peirson 1914-04 1995 Riverside Whitewater at head of Coachella Valley. Comment
  SFV7924  Prosopis glandulosa var. torreyana T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1287 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  SEINET10837956  Prosopis glandulosa var. torreyana David B. Dunn 1948-6-18 Dunn 3804 Riverside To the W of quad 2. At camp in Pushawalla canyon under palms. Comment
  CAS-BOT-BC216516  Prosopis pubescens E. A. McGregor 1917-3-17 721 Riverside Aqua Dulce Springs near NW Salton Sea Comment
  UCR51062  Prunus cerasifera Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, c. 6 mi SW of Riverside, NE corner of Hibiscus and Dauchy Avenues 488 Comment
  OBI10061  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canon Comment
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Jun 21 2012
  CAS-BOT-BC356338  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca Blythe Road Comment
  OBI15569  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral city 122 Comment
  POM259943  Psathyrotes ramosissima P. A. Munz 1940-3-23 15670 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  RSA0014598  Psathyrotes ramosissima Justin M. Wood, J. Miner 2010-4-30 1553 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA263880  Psathyrotes ramosissima C. W. Tilforth 1976-7-20 1212 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert. Comment
  UCR98065  Pseudognaphalium biolettii A. C. Sanders 1997-3-1 19714 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  CHSC256  Pseudognaphalium californicum E. Thomas 1940-4-21 Riverside Palm Canyon. 457 Comment
  RSA0116456  Pseudognaphalium stramineum R. G. Swinney 2011-6-9 17194 Riverside Santa Ana River Valley: Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  IRVC2826  Pseudotsuga macrocarpa T. Baskin 1965-4-21 s.n. Riverside Upper camp; Route 71. Comment
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Mar 27 2014
  MACF019472  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 273 Riverside Approx. 9 mi. west of intersection of St. 243 and 74, going toward Hemet. San Bernardino National Forest 1036 Comment
  RSA759172  Pseudotsuga macrocarpa Doug Goldman, Pat Griffith 2005-3-4 3048 Riverside South side of Route 74, about 0.7 miles west of the intersection with Route 243. San Bernardino national Forest. 1326 Comment
  RSA234029  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrup 1969-5-19 37978 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  CAS-BOT-BC353633  Psorothamnus emoryi D. E. Breedlove 1961-9-11 1257 Riverside 20 miles W of Blythe 106 Comment
  JEPS41699  Psorothamnus emoryi Marjorie D. Clary 1932-4-29 Riverside West side, Colorado Desert Comment
  LA205189  Psorothamnus emoryi A. M. Johnson; 1933-4-28 4225 Riverside below Palm Springs, over mountains to Hemet Comment
  RSA765261  Psorothamnus emoryi Justin M. Wood, D. M. Ray 2010-10-21 3002 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SBBG3303  Psorothamnus emoryi H. and M. Dearing 1936-12-25 799 Riverside 1000 Palms Cyn Comment
  SD224973  Psorothamnus emoryi G. K. Helmkamp 1998-4-4 3138 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 456 Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  UC65758  Psorothamnus schottii E. E. Schellenger 1904-10-15 38 Riverside two mi n Palm Springs (Colorado Desert); , n of Palm Springs 2 Comment
  UCD159769  Psorothamnus schottii Duncan S. Bell 2013-1-30 4440 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
  UCR158145  Psorothamnus schottii Lyman Benson 1949-3-28 13578 Riverside Sonoran (Colorado) Desert, Coachella Valley below Santa Rosa Mtns., east end of Pines to Palms Highway [Palm Desert] just above junction of Palm Springs-Indio Road 76 Comment
  UCSB3050  Psorothamnus schottii Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats on Highway 74 (Calif.) Comment
  SEINET1100109 Image available Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley, alluvial fans below Santa Rosa Mts., near mouth of Martinez Canyon at end of 72nd. Ave. 25 Comment
  UC21691  Pterospora andromedea H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1920 Comment
  SBBG119974  Pterostegia drymarioides A. C. Sanders with M. Misenhelter 2005-3-23 29257 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UC1563132  Pterostegia drymarioides Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3156 Riverside hills just to s.w. of dam Vail Lake area 487 Comment
  UC1930054  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 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
  UCD170873  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR266607  Quercus Mitch Provance 2009-9-10 17426 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  UCD45235  Quercus agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal Valley: Wright Ranch Comment
  RSA709078  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31554 Riverside Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  SD193296  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31561 Riverside Valley Hi County Park off Highway 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  POM2107  Quercus berberidifolia Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mts. Comment
  RSA162  Quercus berberidifolia J. T. Howell 1927-8-2 576 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA559450  Quercus berberidifolia Steve Boyd, T. S. Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCD45202  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  UCR121644  Quercus berberidifolia A. C. Sanders, Kent Beaman 2002-5-10 25055 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
  UCR158906  Quercus berberidifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31546 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  UCR273000  Quercus berberidifolia Mitch Provance 2012-8-30 17432 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA476548  Quercus chrysolepis E. Fitzgerald 1929-05 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  SEINET5569533  Quercus chrysolepis R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, SW 25d slope. 1524 Comment
  RSA592669  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA617438  Quercus cornelius-mulleri Scott D. White 1996-8-1 4457 Riverside Twin Pines Area: just N of Twin Pines Road, 0.5 air mile W of Twin Pines Ranch. 1098 Comment
  CAS-BOT-BC257626  Quercus dumosa P. S. Manos 1988-10-27 676 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  SEINET2066424 Image available Quercus dumosa David Charlton 1988-5-21 1914 Riverside Thomas Mtn.,Road, from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74. 1676 Comment
  IRVC14033  Quercus dumosa L. T. McHarque 1965-8-24 s.n. Riverside Comment
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Jun 23 2013
  RSA597057  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1160 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCSB1186  Quercus kelloggii Neely, William 1948-10-3 Riverside Fern Valley, Idyllwild, San Jacinto Comment
  CAS-BOT-BC105000  Quercus wislizeni Peter H. Raven 1958-5-17 12960 Riverside along road to Banning 6.1 miles NW of Lake Fulmor, San Jacinto Mountains Comment
  UCD95012  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 06- 530 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 595 Comment
  UCSB27946  Quercus wislizeni var. wislizeni Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road, San Jacinto Mts. 563 Comment
  JEPS37574  Rafinesquia neomexicana W. L. Jepson 1927-4-14 11705 Riverside se end Santa Rosa Mts.; , Silent Canyon 304 Comment
  UC665741  Rafinesquia neomexicana Ira L. Wiggins 1941-3-27 9688 Riverside desert wash 9 mi w Desert Center Comment
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Feb 23 2010
  UCR205287  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 10490 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 366 Comment
  VVC2469  Rafinesquia neomexicana Tim Thomas 2013-3-18 5945 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  SEINET10801150  Rafinesquia neomexicana A. K. Evans 1976-4-13 Evans 5217 Riverside Desert canyons of Santa Rosa mountains. Comment
  RSA206503  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1968-5-15 6883 Riverside 8 miles W of Murrieta; Redonda Mesa, Santa Rosa Plateau 610 Comment
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Jun 24 2012
  UCR207268  Ranunculus muricatus O. F. Clarke 2005-3-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JEPS53816  Raphanus raphanistrum W. L. Jepson 1901-5-17 1242 Riverside San Jacinto Valley, near farm, from Riverside to Santa Rosa Peak and Palomar San Jacinto Valley Comment
  SDSU12880  Raphanus sativus J. Jill Steinberg, Leon Steinberg 1998-4-5 38 Riverside Ca. 1/4 mile along northern border of Santa Margarita (SDSU) Field Station north of gorge. Specimen was taken from a large patch of plants most of which were tamped down, perhaps by a deer or other large animal. 317 Comment
  UCR24944  Rhamnus californica A. C. Sanders 1980-7-18 1642 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UC18518  Rhamnus californica subsp. californica H. M. Hall 1897-5-27 575 Riverside Coldwater Canyon Elsinore Mts. Comment
  CAS-BOT-BC56046  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 3688 Riverside Gilman Ranch in the foothills No. of Banning 853 Comment
  JEPS42076  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside San Jacinto mt. 1706 Comment
  RSA391104  Rhamnus ilicifolia Christopher Davidson, B. Gustafson 1977-4-7 5596 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
  JEPS58762  Rhododendron occidentale W. L. Jepson 2271 Riverside San Jacinto Mountain, Dark Canyon Dark Canyon; San Jacinto Mountain, Dark Canyon 1676 Comment
  RSA801731  Rhododendron occidentale LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6176 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  SD119922  Rhododendron occidentale Louis B. Ziegler 1969-7-3 384 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1890 Comment
  UC22145  Rhododendron occidentale H. M. Hall 1898-7-1 964 Riverside San Jacinto Mountains 1828 Comment
  UCR12148  Rhododendron occidentale Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  RSA543126  Rhus integrifolia Steve Boyd 1991-3-17 5472 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
  RSA594509  Rhus ovata D. L. Banks, Dylan Hannon 1996-5-3 996 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
  SD136940  Rhus ovata Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6744 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero west to junction with Tenaja Trail in north fork Bear Crk. 669 Comment
  UCR199693  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR270181  Rhus ovata A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42395 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UC195328  Rhus trilobata S. B. Parish 1906-5-13 10839 Riverside Cottenwood Spring; Colorado Desert Comment
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Sep 4 2011
  RSA586155  Ribes amarum D. L. Banks, Steve D. Boyd 1995-3-30 120 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  RSA725949  Ribes aureum var. gracillimum Mitch Provance 2001-3-3 3520 Riverside San Bernardino Valley: Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue. 274 Comment
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Mar 5 2010
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  JEPS49432  Ribes cereum W. L. Jepson 1901-5-25 1450 Riverside trail to Santa Rosa Peak Comment
  SD63730  Ribes cereum Peta Mudie 1965-7-5 501 Riverside Southwest slope, north side of Santa Rosa Mtn. above National Forest Campground. Comment
  RSA496659  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Eastern foothills of the Santa Ana Mts, midway beween Murrieta and Temecula. Los Cerritos Ranch and adjacent 80acre property to the NW, N of Cherry St, W of Adams Ave, S of Meadowlark Ridge Lane and Elm St. 366 Comment
  SDSU13628  Ribes indecorum W. Miller, C. Mosse 1972-7-20 Riverside Comment
  UCR51363  Ribes indecorum B. G. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  POM212254  Ribes quercetorum G. H. True 1935-3-1 39 Riverside Gavilan Hills, Riverside Comment
  CAS-BOT-BC186240  Ribes roezlii var. roezlii Peter H. Raven 1962-5-18 17758 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains 1615 Comment
  POM17950  Romneya coulteri P. A. Munz 1923-6-14 7108 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  UCR217508  Romneya coulteri Jeff B. Galvin 2008-5-15 46 Riverside Peninsular Ranges, Gavilan Plateau, Estelle Mountain. Steep slope of drainage emptying into Walker Canyon. ~ 680 m east of hwy 15 446 Comment
  CSUSB1434  Rorippa nasturtium-aquaticum Rose Gagnon 1968-5-14 680514 1 Riverside On north bank of Santa Ana River where Salt Lake City bridge is located Comment
  CSUSB1439  Rorippa nasturtium-aquaticum D. Vander Ven 1968-5-1 S. N. Riverside Santa Ana River Santa Ana River, in water along the south bank of island just west of the railroad bridge near Freemont Street, Riverside; 35 feet from east end of island 213 Comment
  POM1503  Rosa californica Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  UCR201631  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR182106  Rubus discolor Tom Chester 2006-12-19 979 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Santa Rosa Ranch 548.8 Comment
  UC12971  Rubus parviflorus Harley P. Chandler 1897-7-23 Riverside Deep Creek San Bernardino Mts., Deep Creek 1524 Comment
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Nov 26 2011
  UCR23506  Rubus parviflorus John C. Roos 1942-6-20 991 Riverside San Jacinto Mtns., Dark Canyon, N Fork San Jacinto River Comment
  JOTR32379  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 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
  UCR280827  Rumex crispus T. B. Salvato, Gregg Miller 2005-6-3 1363 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
  CLARK-A1045-331  Rumex hymenosepalus George K. Helmkamp 1977-3-20 Riverside Cabazon roadside in Cabazon; Cabazon 7.5'Q Comment
  RSA466097  Rumex hymenosepalus N. C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  UCR89644  Rumex obtusifolius Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  POM316525  Rumex salicifolius M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  UCR266335  Salicornia subterminalis D. E. Bramlet 1992-5-28 2294 Riverside Perris-Aguanga Basin region, west of Hemet, south of Florida Ave. and EMWD canal 457 Comment
  POM248440  Salix exigua Philip Crow 1939-7-13 s.n. Riverside Blythe. Comment
  POM262925  Salix exigua J. C. Roos 1937-5-23 617 Riverside La Sierra. Comment
  RSA0010968  Salix exigua var. exigua F. M. Reed 1925-3-17 4952 Riverside Tahquitz Canyon - Palm Springs. Comment
  UC498067  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n Elsinore (along small stream) 304 Comment
  CAS-BOT-BC108108  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  POM361013  Salix gooddingii Philip A. Munz 1932-3-24 12031 Riverside North of Elsinore 305 Comment
  UCR140317  Salix gooddingii A. C. Sanders, Guy Bruyea 2004-4-2 27409 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR140712  Salix gooddingii A. C. Sanders 2004-5-11 27842 Riverside Elsinore Basin Region, Alberhill Mountain, former clay mine area c. 1 mile SE of Alberhill 439 Comment
  CLARK-A1528-5200  Salix hindsiana var. leucodendroides John C. Roos, Lucille Roos 1952-3-1 5382 Riverside Moreno 609 Comment
  RSA0038337  Salix hindsiana var. leucodendroides H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR91919  Salix laevigata A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18102 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  JOTR36411  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA0013133  Salix lasiolepis LeRoy Gross, Caitlin Elam 2013-5-14 6051 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
  RSA92654  Salix lasiolepis F. W. Peirson 1933-4-14 10648 Riverside Road between Banning and Idyllwild. 1524 Comment
  RSA125531  Salix scouleriana R. Weatherby 1949-6-6 647 Riverside Dark Canyon. San Jacinto Mtns. 1829 Comment
  RSA0095117  Saltugilia australis A. C. Sanders, Pamela J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20650 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
  UC908107  Saltugilia australis Frank W. Peirson 1921-3-22 4136 Riverside Murray Canyon Colorado Desert, Murray Canyon Comment
  UC455468  Saltugilia splendens subsp. splendens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. Comment
  CLARK-A1528-583  Salvia apiana C. M. Flanagan 1973-5-31 OO 636 Riverside Morongo Indian Reservation 914 Comment
  RSA618409  Salvia apiana D. L. Banks 1997-5-5 1967 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA733973  Salvia carduacea Keith E. Hoffmaster 1937-6-6 762 Riverside Near Valle Vista, Hemet Valley. Comment
  IRVC2083  Salvia columbariae Jim Pierce 1965-4-7 none Riverside Blythe. Sonoran Desert Comment
  RSA770428  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4871 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  SEINET3242546  Salvia columbariae Norman C. Cooper 1944-1 1006 Riverside Cabazon, Riverside Co. 457 Comment
  UC1979870  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 768 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  UCR252204  Salvia columbariae J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  JOTR00903  Salvia columbariae Sipe, Frank 1958-3-7 225 Riverside Joshua Tree National Park. PINTO BASIN Comment
  SEINET13947334 Image available Salvia columbariae C. L. Hitchcock 1966-1 24155 Riverside 1 mi E of Glen Ivy hot springs. Comment
  CLARK-A1528-3116  Salvia greatae John C. Roos 1963-11-2 Riverside Orocopia Mountains Comment
  CLARK-A1528-5697  Salvia greatae John C. Roos 1963-9-9 Riverside Orocopia Mountains Comment
  UCR241822  Salvia mellifera A. C. Sanders, Timothy W. Chumley 2013-4-2 40753 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  POM97987  Salvia mohavensis E. C. Jaeger 1926-3-4 s.n. Riverside Eagle Mountains. 1189 Comment
  SEINET7048155  Sambucus caerulea Steven R. Hill 2001-5-3 33656 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
  UCR131826  Sambucus mexicana Jennie Phui 1998-5-30 036 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  POM12963  Sanicula arguta P. A. Munz, J. M. Johnston 1922-5-19 5373 Riverside Menifee Valley. 412 Comment
  RSA471473  Sanicula crassicaulis N. C. Cooper 1944-6-4 1368 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  SEINET13710211  Sarcodes sanguinea J. Adams, J. Adams (Botany) 1965-1 342 Riverside Azalea Canyon, Above Campground 6000 Ft 1829 Comment
  SD240813  Schismus arabicus Dave Silverman 2010-3-24 7832 Riverside South Palen Lake, Chuckwalla Valley, 4.3 lm SE of Sidewinder Well, 2.0 km SW of Palen Dunes Drive, and 4.6 km N of Interstate 10. 130 Comment
  UCR214430  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 244 Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  HSC10886  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23093 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  SDSU12246  Schismus barbatus Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Comment
  UC1551915  Schismus barbatus David Charlton 1988-2-18 1142 Riverside s of Joshua Tree National Park (s side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, parallel to I-10, 1 mi e of Jct Dillon Rd & Fargo Canyon Rd); Little San Bernardino Mountains 609 Comment
  UCR100171  Schismus barbatus Scott D. White 1993-3-3 1085 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR133366  Schismus barbatus Tracy Tennant, J. S. Ross 1998-5-7 MOR- 95 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  POM19847  Schoenoplectus americanus Mary F. Spencer 1923-6-5 2253 Riverside Soboba Hot Springs, near San Jacinto. Alt. 1800 ft. 549 Comment
  RSA549283  Schoenoplectus hallii Steve Boyd 1991-6-14 6338 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA502196  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3704 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  OBI37558  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd, 0.8 mi E of jtn with 8S01 and 8S02 Comment
  RSA783651  Scrophularia californica J. D. Olmsted 1958-6-10 157 Riverside 6 miles SW of Corona on Oak Flat fire road (turn S from US on Lincoln). Lower Santa Ana Reservoir. 732 Comment
  UCR132501  Scrophularia californica Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR263718  Scrophularia californica Mark A. Elvin, Tricia Wotipka 2002-4-30 1953 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, La Borde Canyon 793 Comment
  UCR173759  Searsia lancea Mike Misenhelter 2006-5-12 s.n. Riverside San Jacinto Valley, SE of intersection of Fairview and Olive Aves., Valle Vista Comment
  UCR26047  Secale cereale N. M. Fellows 1982-5-29 s.n. Riverside Peninsular Range, Pauba Valley, 6 miles SE of Temecula, adjacent to Hwy 79 Comment
  RSA683701  Selaginella bigelovii P. J. Remple 1942-3-2 s.n. Riverside Whitewater Canyon. Comment
  UC729894  Selaginella watsonii Carl B. Wolf 1932-8-5 3976 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  CDA26838  Senecio flaccidus var. douglasii Mike Lahti 2008-10-27 PDR# 1509242 Riverside Temecula, found in field near Los Caballos and Pauba Rd. 0 Comment
  LA203931  Senecio flaccidus var. douglasii Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside San Jacinto Mountains, foot of Idyllwild grade Comment
  UC832992  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  RSA0121006  Senecio mohavensis Duncan S. Bell, LeRoy Gross 2016-3-8 8827 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  UCR279582  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-28 43153 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA94665  Senecio mohavensis F. W. Peirson 1927-4-12 7156 Riverside In Painted Canyon near Mecca. Comment
  RSA473114  Senecio vulgaris M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek near Aguanga. Riverside and San Diego county line. 610 Comment
  LA204899  Senegalia greggii Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  JOTR32323  Senna armata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA0031607  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -2 Riverside nw. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Right (as ascending) of Black Mountain Trail on slope covered with Pteridium aquilinum and near, drainage (Indian Creek) with Alnus rhombifolia, uppermost Hall Canyon. 2066 Comment
  CAS-BOT-BC243551  Setaria parviflora Samuel B. Parish 1897-5-29 4518 Riverside Wayside Waif, South Riverside Comment
  UCD92618  Setaria parviflora F. M. Reed 1906-9-17 1186 Riverside Riverside and vicinity roadside, corner of Chicago and Mass. Aves. Comment
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Jun 15 2012
  UCR17432  Setaria pumila Edward G. Wegenek 1970-8-24 LASCA- 952 Riverside Sonoran (Colorado) Desert, Blythe area, SE part of county 79 Comment
  HSC82844  Setaria verticillata A. C. Sanders 1985-8-24 5948 Riverside Lower Coachella valley near Oasis on the dirt extension of Ave. 76, 0.4 mi E of Hwy 195, along the S side of a large drain flowing toward the Salton Sea -55 Comment
  SEINET11982177  Sidalcea hickmanii Unknown 1936-1 12817 Riverside Colorado Desert N of Palm Springs Comment
  OBI42663  Sidalcea sparsifolia B. Pitzer & K. Kirtland, K. Kirtland 1986-5-6 202 Riverside Butterfield Stage Ranch Development, 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 457 Comment
  CAS-BOT-BC109428  Sidotheca emarginata F. M. Reed 1908-7-14 2447 Riverside San Jacinto Mountains. Ridge on South side of Tahquitz Mountain. 2438 Comment
  RSA585783  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 0415 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  UCR133389  Silene antirrhina Tracy Tennant, T. B. Salvato 1998-6-23 485 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR92100  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 415 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  RSA614406  Silene gallica D. L. Banks 1997-3-16 1539 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCR97669  Silene gallica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19902 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA560367  Silene gallica Steve Boyd 1992-4-14 6823 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  POM47162  Silene parishii var. viscida P. A. Munz, I. M. Johnston 1924-7-27 8763 Riverside North side of high rock. Dark Canyon, San Jacinto Mts. 2409 Comment
  RSA627511  Silene verecunda subsp. platyota Scott D. White, Julie Greene 1998-8-1 6960 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  CAS-BOT-BC401161  Simmondsia chinensis Sarah J. De Groot; April Garbat 2013-4-9 6998 Riverside Chuckwalla Mountains: Along Graham Pass Road, 5.6 miles south of junction with Chuckwalla Spring road, ~10.5 miles south of powerline, 11.4 miles south of Chuckwalla Valley Road. Up wash along road and up side drainage to west 436 Comment
  GMDRC2591  Simmondsia chinensis J. Andre, T. La Doux 2008-3-21 8834 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  JOTR37435  Simmondsia chinensis Hodges, Stephen R., T. Hender 2015-12-30 557 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  RSA321111  Simmondsia chinensis James R. Shevock 1978-4-8 5776 Riverside Occasional along California highway 195 just off of Interstate 10 near Chiriaco Summit. Base of Orocopia Mts., Colorado Desert. Comment
  SEINET3523569 Image available Simmondsia chinensis Jim Andre 2011-2-2 16238 Riverside Coachella Valley: mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 (Moronga Valley 7.5' Q). 487 Comment
  GMDRC6571  Sisymbrium altissimum J. M. Andre 2012-6-15 30527 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  SBBG118723  Sisymbrium altissimum L. C. Wheeler 1955-6-16 7162 Riverside E of Mountain Center 1402 Comment
  SD181635  Sisymbrium altissimum Louis C. Wheeler 1955-6-16 7162 Riverside San Jacinto Mountains, east of Mountain Center. 1402 Comment
  UCR264743  Sisymbrium erysimoides Steve Boyd, Carol Boyd 2011-3-15 12302 Riverside Peninsular Ranges, Santa Rosa Mountains, Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon 152 Comment
  UCR45141  Sisymbrium erysimoides A. C. Sande