Search Results — 2000 specimen records retrieved (1890 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519122  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 -4 Riverside Santa Rosa Mountains, N of Toro Peak at Virgin Spring Comment
  RSA0077541  Abies concolor G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC229362  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside Six miles south-east of Garnet Station, Coachella Valley, Colorado Desert Comment
  CLARK-A1656-608  Abronia villosa Lois Ann Scott 1978-1-13 Riverside Palm Springs 148 Comment
  POM14999  Abronia villosa Mary F. Spencer 1922-3-23 1330 Riverside Mecca, Colorado Desert -49 Comment
  POM12868  Abronia villosa var. aurita P. A. Munz, I. M. Johnston 1922-5-20 5525 Riverside Hemet Valley, San Jacinto Mountains; sandy washes on Garner Ranch. 1402 Comment
  RSA0009283  Abronia villosa var. aurita Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 6 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  RSA461190  Abronia villosa var. aurita Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  SEINET946026  Abronia villosa var. aurita J. E. Bowers, S. P. McLaughlin 1985-1 3004 Riverside 4.1 miles by road northwest of junction of Highway 371 and 74, on Highway 74. Comment
  UC1552146  Abronia villosa var. aurita David Charlton 1988-2-19 1208 Riverside Orocopia Mtns. Comment
  UCR2872  Abronia villosa var. aurita N. J. Matthews 1963-5-9 50963- 4 Riverside San Jacinto River Valley, Valle Vista, 45366 Highway 74, east of Hemet 549 Comment
  RSA48334  Abronia villosa var. aurita E. K. Balls 1949-4-4 12970 Riverside Near Salton Beach on Highway 111, Colorado Desert. -61 Comment
  RSA461037  Abronia villosa var. villosa N. C. Cooper 1942-4-17 609 Riverside Palm Springs 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
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  RSA20296  Acacia greggii var. arizonica Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA730045  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41796 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  CAS-BOT-BC218716  Achnatherum coronatum Steve Boyd; Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los alamos Canyon and Tenaja Canyon, Peninsular Ranges, Santa Ana Mountains region Comment
  POM14659  Achnatherum hymenoides P. A. Munz, D. Keck 1922-4-14 5005 Riverside East of Whitwater Ranch 213 Comment
  UCD50364  Achnatherum hymenoides Peter Kamb 1948-4-11 900 Riverside Lower Sonoran Zone. Whitewater Wash near Whitewater, Coachella Valley. 457 Comment
  RSA126801  Achnatherum speciosum H. S. Yates 1937-3-24 6463 Riverside Near Head of Deep Canyon. 914 Comment
  SFV4435  Achyronychia cooperi D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  UCR148859  Achyronychia cooperi 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
  UCR279546  Achyronychia cooperi A. C. Sanders, Jim Malusa 2017-3-27 43131 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  SBBG87343  Acmispon argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  UCSB26910  Acmispon heermannii Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along County Road Rl, 7.0 miles north of Idyllwild, San Jacinto Mtns. Comment
  JOTR35199  Acmispon strigosus Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21108 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  SBBG3489  Acmispon strigosus H. and M. Dearing 1937-4-11 922 Riverside NE of Indio Comment
  SD167117  Acmispon strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  UCR260514  Acourtia microcephala T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7996 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  JEPS34237  Adenophyllum porophylloides W. L. Jepson 1901-5-22 1408 Riverside Palm Canyon Comment
  SD143760  Adenostoma fasciculatum Scott D. White 1997-5-25 5245 A Riverside San Jacinto Mts., Bautista Canyon: Hixon Trail, between trailhead at Bautista Cyn Road and intermittent stream crossing 975 Comment
  CAS-BOT-BC139867  Adenostoma sparsifolium F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  SFV20160  Adenostoma sparsifolium J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .7 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCSB2737  Adenostoma sparsifolium Wilson, Richard 1958-5-18 Riverside 8 miles SE of Junction Idyllwild Hwy. and State 74 on State 74. Comment
  CAS-BOT-BC69646  Adiantum capillus-veneris Nancy Ryan Zabriskie; Walter Zabriskie 1971-11-27 466 Riverside Ca. 25' n. of stream bank, ca. 200 yds. below juncture with north canyon; Andreas Canyon, e. slope San Jacinto 359 Comment
  POM877  Adiantum capillus-veneris G. Ross Robertson s.n. Riverside Santa Ana Canyon 609 Comment
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Mar 12 2014
  RSA625173  Adiantum capillus-veneris L. C. Wheeler 1963-3-17 8245 Riverside Santa Rosa Mountains: Martinez Canyon. 914 Comment
  SD186012  Agave americana A. C. Sanders 1984-7-17 5106 Riverside O. F. Clarke residence at 1012 Spruce St. 305 Comment
  UC1543181  Agoseris retrorsa Donald G. Nelson 1936-5-21 372 Riverside just n of meadow in valley just e of Hurkey Creek Camp; San Jacinto Mts., Mt. Thomas, Lake Hemet Comment
  UCR213895  Agoseris retrorsa Scott D. White, Justin M. Wood 2009-5-22 12892 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  POM49466  Agrostis exarata P. A. Munz, I. M. Johnston 1924-7-28 8816 Riverside Pine Flats 1738 Comment
  UCR23871  Agrostis pallens John C. Roos 1965-6-30 s.n. Riverside Santa Ana Mtns., Ortega Hwy Comment
  RSA753931  Ailanthus altissima W. Schlegel, Andrew Trouette 2008-10-10 21 Riverside Snow Creek Cabin Parcel Comment
  RSA469418  Aliciella latifolia Robert Gustafson 1980-4-3 1520 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA793605  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4207 Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR89697  Allionia incarnata J. M. Stewart 1990-10-28 665 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  RSA698213  Allionia incarnata var. nudata J. Russell Bruff 1929-12-28 449 Riverside Dos Palmas Comment
  RSA763408  Allium cratericola Justin M. Wood 2009-5-11 694 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR16036  Allium fimbriatum B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns., N of Hwy 74 & 20 m south of Pinyon Flat Campground boundary. 1220 Comment
  RSA716726  Allium haematochiton Fred M. Roberts 2005-5-13 6190 Riverside Santa Ana Mtns.: vicinity of Elsinore Peak, along Main Divide Truck Tail, 0.72km W summit of Elsinore Peak. 1006 Comment
  UCR214123  Allium haematochiton A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37730 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  SD247269  Allium marvinii Jeff B. Galvin, Diane Menuz May 2009 89 Riverside San Jacinto Mountains foothills: Northwest foothills of San Jacinto Mountains foothills. North of Soboba Road off Poppet Falts Truck trail. 815 Comment
  RSA543618  Allium munzii Steve Boyd 1991-5-7 6153 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA574748  Allium munzii Steve Boyd 1982-4-20 s.n. Riverside Gavilan Hills region, smal remnant of the Gavilan Plateau on ridge east of Estelle Mountain, south of head of Dawson Canyon. 671 Comment
  RSA785116  Allium munzii Valentin Arvizu 2008-4-17 5 Riverside De Palma Rd. and Indian Truck Trail; Saddleback Estates Preserve Area - USGS Alberhill quad 427 Comment
  UCR42165  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  UCR77592  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6133 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  RSA366486  Allium parishii Frances L. Cramer 1941-5-3 20322 Riverside Joshua Tree National Monument Comment
  RSA613863  Allium peninsulare B. Pitzer 1997-4-12 3123 Riverside Pulsar View Road, (at end of Warren Road) Ca. 1 mile (air) N of Juniper Flats Road., 33 deg N 117 deg 5.53 W 518 Comment
  UCR16034  Allium peninsulare Steve Kulju 1974-4-27 s.n. Riverside Box Springs Mtns. Dirt road to the radio tower, 4 mi from Pigeon Pass Road. 762 Comment
  UCR218070  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Santa Ana Mountains, Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  UCR35295  Allium peninsulare L. B. Ziegler 1967-5-18 126 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  POM123076  Allium praecox Wilder 1905-04 s.n. Riverside Riverside. Comment
  UCR113966  Allium praecox Mitch Provance 1999-3-5 1059 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  UCR129910  Allium praecox Mrs. C. M. Wilder 1905-1 s.n. Riverside Riverside 915 Comment
  CDA2737  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River; Riverside, UCR campus, between East Campus Drive and Parking Lot 10 Comment
  RSA19172  Allophyllum glutinosum P. A. Munz 1923-6-14 7115 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  SD181421  Allophyllum glutinosum Scott D. White 2000-8-5 8113 Riverside San Jacinto Mountains; near Mountain Center; unnamed ephemeral drainage (tributary to South Fork, San Jacinto River). 1402 Comment
  UCR151200  Allophyllum glutinosum Scott D. White 1999-7-9 7530 Riverside Peninsular Ranges; San Jacinto Mts region, Idyllwild Area: near Idyllwild Community Service District sewage ponds at terminus of USFS Road #S24.2 1433 Comment
  RSA801724  Alopecurus pratensis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6167 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  UCD97074  Amaranthus arenicola T. B. Salvato; A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore and Buchanan on Avenue 56. -37 Comment
  UCR278835  Amaranthus deflexus Mitch Provance 2012-7-17 712- 12 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  RSA356608  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41817 Riverside Palm Springs. Comment
  UCR54448  Amaranthus fimbriatus A. C. Sanders, E. J. Lawlor 1988-10-22 08723 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UC56557  Amaranthus powellii H. M. Hall Aug 1901 Riverside vicinity of Riverside Southern California 304 Comment
  UCR58450  Amaranthus powellii George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns., Edge of Lake Hemet 1400 Comment
  UCR106336  Amaranthus retroflexus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR239599  Ambrosia acanthicarpa O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  CAS-BOT-BC45011  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  RSA457783  Ambrosia dumosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA774505  Ambrosia dumosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4428 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
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May 26 2013
  UC68912  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside near Mule Springs; Colorado Desert Comment
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Sep 11 2011
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
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Apr 24 2011
  CAS-BOT-BC30794  Ambrosia ilicifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  POM246586  Ambrosia ilicifolia E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, chuckawalla Mts. Colorado Desert. 366 Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  CAS-BOT-BC273041  Ambrosia salsola L. R. Abrams 1941-4-24 13935 Riverside San Gorgonio Pass near Cabazon Comment
  UCD128884  Ambrosia salsola R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  UC897994  Ambrosia salsola var. salsola Lewis S. Rose 1936-12-19 36792 Riverside Palm Canyon Wash 121 Comment
  UCSB24500  Ambrosia salsola var. salsola McMinn, Howard 1935-6-27 Riverside Palm Canyon Region Comment
  JEPS45139 Image available Amelanchier utahensis F. W. Peirson 1922-5-20 3057 Riverside Hemet Valley; San Jacinto Mts. 1371 Comment
  RSA446717  Ammannia coccinea C. M. Dammers 1933-11-20 s.n. Riverside Irrigation ditch, Riverside Comment
Read comments
Oct 31 2011
  JEPS45999  Ammannia robusta W. L. Jepson 1912-11-1 5270 Riverside near Blythe (Palo Verde Valley); Palo Verde Valley 45 Comment
  POM49026  Amorpha californica Charlotte M. Wilder 1905-4-14 s.n Riverside North slope of Jurupa Hills. Comment
  RSA0065487  Amsinckia Eleanor McClung 1937-3-23 26 Riverside Palm Springs. Comment
  UC480367  Amsinckia intermedia Ivan Johnston Apr 4 1917-Apr 6 1917 989 Riverside mouth of Andreas Canyon; Colorado Desert 243 Comment
  UCR166162  Amsinckia intermedia John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  CSUSB1577  Amsinckia menziesii R. Pirot 1975-5-10 S. N. Riverside Juniper Flats road and Highway 74, Homeland 542 Comment
  RSA0089920  Amsinckia menziesii Duncan S. Bell 2010-4-1 671 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UCR91472  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  CSUSB995  Amsinckia tessellata Pam Maynard 1974-4-25 S. N. Riverside Box Springs mountians-- crevass at East end of Big Springs road 670 Comment
  POM11976  Amsonia brevifolia var. tomentosa Philip A. Munz, D. D. Keck 1922-4-9 4844 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
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May 28 2011
  UCR89654  Amsonia tomentosa Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  RSA314396  Andropogon glomeratus R. F. Thorne 1982-10-8 55407 Riverside San Bernardino Mountains: about 3.2 miles north of Whitewater Post Office 595 Comment
  RSA191453  Anemopsis californica E. W. Lathrop, R. F. Thorne 1967-9-26 6637 Riverside 6 miles NW of Murrieta. Comment
  UC20803  Angelica tomentosa H. M. Hall 1897-7-29 740 Riverside San Jacinto Mountain 1524 Comment
  UC130485  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  RSA0000864  Antennaria speciosa H. M. Hall 1891-07 2401 Riverside San Jacinto Mts. Tamarack Valley. 2835 Comment
  CHSC1688  Antirrhinum coulterianum E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  HSC85278  Antirrhinum coulterianum Steve Boyd 1986-5-1 1819 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  SBBG122774  Antirrhinum coulterianum A. Parikh 1990-4-27 159 Riverside W of Rawson Cyn, 1.7 km WSW of jct of Crown Valley Rd and Rawson Rd 696 Comment
  UC885070  Antirrhinum coulterianum C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 5360 Riverside Gavilan Peak 600 Comment
  RSA425812  Antirrhinum filipes Christopher Davidson, J. Jones 1980-4-4 9944 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
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Sep 17 2011
  UCR35227  Antirrhinum nuttallianum L. B. Ziegler 1976-6-11 548 Riverside From hill SE of Hemet in the foothills of of the San Jacinto Mtns. 549 Comment
  UCR187495  Apiastrum angustifolium Theresa Johnson 2006-5-23 125 Riverside Peninsular Range, Oak Mountain, 1.5 mi. NNW of Vail Lake dam Comment
  SD60433  Apium graveolens Reid Moran 1964-7-27 11188 Riverside Canyon of Santa Margarita River 2 1/2 miles Southsouthwest of Temecula. 199 Comment
  RSA477448  Arabis glaucovalvula E. C. Jaeger 1922-4-22 s.n. Riverside Keyes Ranch. Comment
  RSA0126304  Arabis hirsuta var. glabrata Orlando Mistretta 2009-7-10 3997 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  RSA49195  Arabis perennans P. A. Munz 1949-4-13 13049 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
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Oct 9 2010
  UC1007235  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  RSA629454  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16804 Riverside Road to Thomas Mountain (5S15), 6.3 km north of Toolbox Spring. 1770 Comment
  SD128324  Arctostaphylos glandulosa R. Mitchel Beauchamp 1971-5-15 2411 Riverside San Jacinto Mountains; Black Mt. campground. Open areas of forest. 2207 Comment
  SD180710  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 400 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top, ca. 100m east of weather station. Among boulders, exposed, 0 slope. 654 Comment
  RSA629391  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19517 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629432  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16835 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA629443  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16757 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  CAS-BOT-BC24665  Arctostaphylos glauca Lewis S. Rose 1935-12-23 35692 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. of s. Cathedral City. 1066 Comment
  RSA631777  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19270 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA701752  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 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
  RSA633673  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20110 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633730  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16622 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635304  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22536 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  CAS-BOT-BC44368  Arctostaphylos pringlei subsp. drupacea Vernon Bailey 1907-8-5 1199 Riverside Idyllwild, San Jacinto Mts. 1371 Comment
  POM122257  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM19646  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1923-6-18 2218 Riverside Idyllwild, San Jacinto Mt. 2134 Comment
  SD128326  Arctostaphylos pringlei subsp. drupacea R. Mitchel Beauchamp 1971-5-15 2418 Riverside San Jacinto Mtns., Black Mountain campground 1710 Comment
  UC876569  Arctostaphylos pringlei subsp. drupacea I. W. Clokey and E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  CAS-BOT-BC46342  Arctostaphylos pungens Munz; Johnston 1922-5-20 5491 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  RSA253146  Arctostaphylos pungens Gary D. Wallace 1975-2-22 1397 Riverside San Jacinto Mtns., alaong hwy, 243, 3-5 mi. N of Poppet Flat Road turn off. Comment
  RSA636033  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19541 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636157  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18811 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 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
  UCR189791  Arctostaphylos rainbowensis Amy Rowland 2007-9-19 110 Riverside Peninsular Range; Santa Ana Mountains, San Mateo Canyon, by the Tenaja trailhead off Cleveland Forest Rd (west side, near restrooms). Found on on southwest side of trail 608 Comment
  SD137698  Argemone munita Darin L. Banks, Peter Morrell 1995-5-4 305 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 622 Comment
  UC1040949  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-6-24 2170 Riverside 1 mi w of Radec 516 Comment
  CAS-BOT-BC137646  Aristida adscensionis Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs. Comment
  CLARK-A1528-4461  Aristida adscensionis John C. Roos 1946-10-26 3143 Riverside Chuckwalla Mountains Comment
  OBI75985  Aristida adscensionis James M. Andre 2011-2-9 15906 Riverside Mecca Hills; along Box Cyn Rd at upper end of gorge, approx 6 mi SSE of jctn with I-10, approx 12 mi W of Chiraco Summit 284 Comment
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  UCR188224  Aristida purpurea Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1704 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  SEINET10842820  Artemisia J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12829 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  CAS-BOT-BC90193  Artemisia californica Vernon O. Bailey 1907-10-24 s.n. Riverside Cabazon Comment
  UCR203960  Artemisia douglasiana Michael Wall 2008-10-3 493 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  RSA90135  Artemisia dracunculus E. K. Balls, Percy C. Everett 1953-8-19 18531 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  UCR54453  Artemisia ludoviciana subsp. albula A. C. Sanders, E. J. Lawlor 1988-10-22 8730 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  CAS-BOT-BC93478  Artemisia tridentata subsp. tridentata H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs along route 79 Comment
  SD204767  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside North base of San Jacinto Mountains, west of Highway 111, just east of Snow Creek Road. Comment
  SD247302  Asclepias albicans Andy Sanders, Jim Malusa 2015-3-10 41386 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range. 611 Comment
  UCR4395  Asclepias albicans Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  UCR117684  Asclepias californica V. W. Steinmann, D. L. Banks 1997-3-13 1199 Riverside Agua Tibia Mtns., N of Hwy 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 550 Comment
  UCSB12491  Asclepias erosa Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe on U.S. 60-70 1066 Comment
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Mar 29 2014
  SEINET10961578  Asclepias erosa Ira L. Wiggins, Reed C. Rollins 1941-9-14 Wiggins 482 Riverside Colorado Desert, 23 mi W of Blythe Comment
  CLARK-A1528-123  Asclepias fascicularis Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains Comment
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Feb 4 2016
  RSA401252  Asclepias fascicularis N. C. Cooper 1949-6-24 4313 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  CLARK-A1656-605  Asclepias subulata Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  POM48555  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  RSA401112  Asclepias subulata Anstruther Davidson 1921-10-1 s.n. Riverside Palm Springs. Comment
  RSA76054  Asclepias subulata Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  SD224819  Asclepias subulata B. Pitzer 1996-11-9 2927 Riverside Orocopia Mts: Bob's Cabin, ca 4 rd mi. N of Salt Creek Rd & 4.5 air mi. S of the W end of Hayfield Lake. Hayfield 15' USGS Quad. 609 Comment
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Mar 14 2015
  SEINET13752368  Astragalus aridus Heather Breakiron 2017-3-25 5 Riverside 10 miles ESE of Blythe, along power line road that funs east and west of new solar plant Comment
  UC1543239  Astragalus douglasii Donald G. Nelson 1936-5-21 380 Riverside n Mt. Thomas (e of Lake Hemet, slopes just n of meadow in valley just e of Jurkey Creek Camp area, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Thomas Comment
  CAS-BOT-BC178433  Astragalus douglasii var. parishii Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  RSA496121  Astragalus douglasii var. parishii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2998 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR104622  Astragalus douglasii var. parishii D. E. Bramlet 1990-6-20 2040 Riverside Arroyo Seco. Approximately 915 m south of Hwy 79 and 152 m south of the Dripping Springs Campground, 30 m east of the main wash. 494 Comment
  UC13326  Astragalus filipes H. M. Hall 1899-5-26 1182 Riverside Hemet Valley , Hemet Valley (San Jacinto Mountains) 1371 Comment
  UCR214304  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38400 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  IRVC28833  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-26 4226 Riverside Coachella Valley; E of Flat Top Mtn; at base in sand dunes. Northern Sonoran Desert 152 Comment
  IRVC28842  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-25 4217 Riverside Coachella Valley; N of Palm Springs; N of I10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 244 Comment
  RSA498234  Astragalus lentiginosus var. variabilis Robert L. Dressler 1949-3-19 417 Riverside 5 miles NE of Desert Center. Comment
  SEINET948513  Astragalus mohavensis Unknown 1920-1 165 Riverside Monsen Canyon, Eagle Mts. Comment
  RSA769649  Astragalus pachypus var. jaegeri Duncan S. Bell, Joy D. England 2010-5-17 1000 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  CAS-BOT-BC192764  Astragalus palmeri Peter H. Raven 1958-5-5 12885 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  CLARK-A1656-823  Astragalus palmeri Jon Mark Stewart 1983-2-4 Riverside Palm Desert 305 Comment
  CAS-BOT-BC194175  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  RSA523524  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3983 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD8527  Astragalus pomonensis Daniel Cleveland Apr 1880 Riverside San Jacinto Plains Comment
  UCR212975  Astragalus pomonensis Justin M. Wood, Brandy N. Wood 2009-7-4 1036 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  UCR232050  Astragalus pomonensis John F. Green 2008-4-15 0408- 13 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA19083  Athyrium filix-femina I. W. Clokey, E. G. Anderson 1935-8-21 6504 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  POM10279  Athysanus pusillus Charlotte M. Wilder 1904-4-18 s.n. Riverside Wilder s Canyon. Comment
  RSA673636  Athysanus pusillus Scott D. White, Tasha La Doux 2000-4-20 7706 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR101566  Atrichoseris platyphylla Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA714022  Atriplex argentea subsp. expansa R. E. Riefner 2004-8-27 4 -396 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt acess road to Hidden Valley Wildlife Reserve. 221 Comment
  SJSU7556  Atriplex canescens L. F. Lamon 1966-11-12 Riverside Indio Comment
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Feb 3 2011
  UC850760  Atriplex canescens Carl B. Wolf 1932-10-13 4302 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  UCD97299  Atriplex canescens L. S. Rose 1935-12-19 s.n. Riverside Colorado Desert, Palm Springs. 138 Comment
  SEINET3930280  Atriplex canescens var. angustifolia Stewart C. Sanderson 1993-11-22 93 -054 Riverside Milo Racket Club, Palm Springs, CA.; 0 Comment
  OBI17338  Atriplex coronata var. notatior Robert F. Hoover 1968-1 Riverside Comment
  UCR241784  Atriplex coronata var. notatior A. C. Sanders, Timothy W. Chumley 2013-3-29 40721 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, vacant lot between burned house and fenced equipment yard, 0.6 km SE of Pierce St. 384 Comment
  UCR66969  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2060 Riverside c. 1760 m west of Nuevo, & c. 260 m NE of intersection of Nuevo Rd. and Pico Ave., in uncultivated part of an agricultural field. 473 Comment
  SD254590  Atriplex elegans Jeremiah George 2014-12-11 Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, aea boxed in by commecial development (Beaumont 7.5'Q) 772 Comment
  UCR280912  Atriplex elegans Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 41 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  JEPS59573  Atriplex elegans var. fasciculata S. B. Parish 1913-2-7 8452 Riverside Mecca Salton Basin, Mecca -60 Comment
  RSA737893  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  RSA0042832  Atriplex hymenelytra Duncan S. Bell, Deidre Conocchioli 2014-3-18 6246 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  UCR279381  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2017-3-24 42969 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
  UCSB18446  Atriplex hymenelytra Winn, Will 1963-2-23 Riverside 3 mi S of of Ave 56 and [Coachella] All American Canal 9 Comment
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Jun 6 2013
  RSA478374  Atriplex polycarpa Allen 1921-09 s.n. Riverside Palm Springs. Comment
  RSA793944  Atriplex polycarpa Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4382 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR165274  Atriplex polycarpa John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  SEINET4136178  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Penninsular Range; Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15; 0 412 Comment
  UCR229495  Atriplex serenana Jeremiah George 2011-8-3 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, north end of Pasadena Ave., SE of Hwy 74/Riverside Dr. 386 Comment
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Sep 4 2018
  UCD97690  Atriplex suberecta A. C. Sanders; K. C. Rose 1998-5-21 21854 Riverside Hemet; west of town, E of the canal, S of Hwy 74 (Florida) and 1/4 mile W of Warren Road. 457 Comment
  IRVC28527  Atriplex triangularis O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom just E of the old Salt Lake River Bridge. Comment
  UC1979684  Avena barbata Darin L. Banks, Steve Boyd 1995-5-9 354 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  SD144502  Avena sativa A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20649 Riverside San Jacinto Mtns: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Rd (McMullen Flat), N slope of peak 3740. 1067 Comment
  POM170960  Ayenia compacta I. M. Johnston 1930-6-15 3784 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  POM9853  Ayenia compacta E. C. Jaeger 1921-11-29 s.n. Riverside Tahquitz Canyon. 305 Comment
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Apr 30 2011
  RSA48866  Baccharis brachyphylla J. C. Roos, L. Roos 1949-9-17 4659 Riverside Canyon bottom near oasis with Palms, a side canyon, E side Whitewater Wash, W slope Painted Hill, 2.2 miles N of Hwy 99 Comment
  SEINET10616772  Baccharis salicifolia David B. Dunn 1948-1-25 Dunn 3646 Riverside Found in ravine northeast of the top of the grade east of Riverside about 5 miles out. Comment
  JOTR36418  Baccharis salicifolia subsp. salicifolia La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3364 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  CAS-BOT-BC99877  Baccharis sergiloides G. B. Grant 1906-5-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CLARK-A1528-1632  Baccharis sergiloides John C. Roos 1937-8-20 2500 Riverside San Jacinto Mountains Comment
  IRVC513  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 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
  POM47794  Baccharis sergiloides Mary F. Spencer 1918-3-29 781 Riverside Palm Springs 137 Comment
  RSA5438  Baccharis sergiloides C. B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  CAS-BOT-BC99973  Baileya pauciradiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  JEPS7794  Baileya pauciradiata Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3599 Riverside just opposite and e of the n end of Salton Sea (along highway); State Highway No. 111 -60 Comment
  JOTR16563  Baileya pauciradiata Dengler, A. 1966-3-31 46 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  SBBG7791  Baileya pauciradiata H. and M. Dearing 1937-4-10 2864 Riverside ca. 16 mi N of Indio Comment
  UCD129501  Baileya pauciradiata Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southwest of Palm Springs. Comment
  POM308639  Baileya pleniradiata Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3210 Riverside Near Indio. Comment
  POM230201  Bebbia juncea I. W. Clokey 1933-4-7 6966 Riverside Shaver's Well Comment
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Apr 24 2011
  RSA20294  Bebbia juncea Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mile below Cottonwood Springs Comment
  RSA736801  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA793531  Bebbia juncea Naomi Fraga, David Fraker, Thomas Stoughton 2012-3-15 3947 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SBBG45057  Bebbia juncea A. M. Alexander, L. Kellogg 1941-5-12 2158 Riverside rd to Black Eagle Mine, Eagle Mtns 777 Comment
  UCR167365  Bebbia juncea 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
  SEINET10616172  Bebbia juncea David B. Dunn 1948-2-21 Dunn 3661 Riverside Pushawalla; a raing about 2 weeks earlier in wash. Hills still quite dry. Pushawalla Canyon, Indio Hills of the Colorado Desert. West of Indio. Comment
  UCR122747  Bernardia myricifolia George K. Helmkamp, E. A. Helmkamp 1998-4-24 3386 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  SD146038  Bidens laevis A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of intersection ot Tequesquite Ave. and Gregory Road. 231 Comment
  CLARK-A1528-173  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  UCR37089  Bidens pilosa A. C. Sanders, M. Guzy 1983-11-10 4649 Riverside University of California, Riverside. Botanic Gardens, Latin American section 366 Comment
  UC3230  Bloomeria crocea Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Mountains Comment
  SD137978  Bloomeria crocea var. crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground.mIn mesic chaparral. 701 Comment
  RSA482755  Boechera M. B. Dunkle 1937-3-25 4952 Riverside Dry Morongo. Comment
  CAS-BOT-BC25456  Boechera retrofracta C. L. Hitchcock 1940-4-5 5966 Riverside Above Cottonwood Spring. Comment
  JOTR34277  Boechera xylopoda La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3292 Riverside Joshua Tree National Park. Little San Bernardino Mtns; ridge just south of Quail Mountain peak; N-facing steep slope (stop 5) Comment
  JOTR30687  Boerhavia coulteri Andre, Jim, Tasha La Doux 2008-9-13 10277 Riverside Joshua Tree National Park. Pinto Basin along paved Hwy at Fried Liver Wash 548 Comment
  RSA0062788  Boerhavia coulteri Duncan S. Bell, Evan Meyer 2014-10-22 7653 B Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  UCR233937  Boerhavia coulteri Duncan S. Bell 2011-10-22 3004 B Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  CAS-BOT-BC434535  Boerhavia triquetra J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns., above Palm Desert. 701 Comment
  JOTR32409  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA594210  Boerhavia triquetra var. intermedia L. B. Ziegler 1967-8-26 s.n. Riverside Pinyon Flats Comment
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Feb 20 2009
  UCR264219  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41866 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC434549  Boerhavia wrightii Schellinger 1904-10-15 s.n. Riverside Plack [Black] Point, Palo Verde Valley Comment
  JOTR29129  Boerhavia wrightii La Doux, Tasha 2005-9-8 1299 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  SACT000426  Bouteloua aristidoides Marcus Jones 1929-9-16 Riverside Comment
  RSA683917  Bouteloua aristidoides var. aristidoides Michael Denslow 2003-9-13 1545 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Quad) 470 Comment
  UCD159781  Bouteloua aristidoides var. aristidoides Duncan S. Bell; K. Clark, B. Ellis, P. McKay et al. 2013-2-24 4469 Riverside Orocopia Mountains; south end of range, north of Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  SD255047  Bouteloua barbata var. barbata Sarah J De Groot, Amy Rouillard 2015-9-15 7567 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  CLARK-A1528-4516  Bouteloua curtipendula John C. Roos 1958-9-28 Riverside San Jacinto Mountains Comment
  UC37477  Bouteloua curtipendula H. M. Hall June, 1901 2138 Riverside San Jacinto Mts., Santa Rosa Mt., Coyote Canyon 1524 Comment
  RSA0089243  Brachypodium distachyon Steve D. Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  JEPS42502  Brandegea bigelovii W. L. Jepson 1928-4-25 12593 Riverside Colorado Desert, Cottonwood Mountains, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Mts, Cottonwood Spring 731 Comment
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Oct 9 2010
  JOTR30072  Brandegea bigelovii La Doux, Tasha, Bill Truesdell 2006-10-3 1715 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA113921  Brandegea bigelovii P. C. Everett, E. K. Balls 1956-5-2 21553 Riverside 2 mi. N from turnoff Hwy 60/70 W of Desert Center, Rd to Eagle Mt. Pumping Station Comment
  RSA394250  Brandegea bigelovii Donald Myrick 1968-3-3 1796 Riverside Box Canyon E of Mecca 305 Comment
  RSA517243  Brandegea bigelovii Steve Boyd 1986-2-18 1331 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  SBBG16939  Brandegea bigelovii H. Yokoyama 1953-3-21 139 Riverside 9 mi E of Indio Comment
  SEINET8710942 Image available Brassica fruticulosa A. C. Sanders 2008-1 34418 Riverside Peninsular Range: Box Springs Mtns.; Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  CDA3589  Brassica tournefortii A. C. Sanders, Mark A. Elvin, Julie M. Vanderwier 2002-4-9 24916 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont Comment
  CLARK-A1703-1189  Brassica tournefortii Charles S. Papp 1964-5-22 469 Riverside Riverside Comment
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 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
  RSA155554  Brassica tournefortii L. S. Rose 1962-3-2 62006 Riverside La Quinta 3 Comment
  RSA651823  Brassica tournefortii Marion P. Harthill 1973-2-17 1552 Riverside Snow Creek, Palm Springs 366 Comment
  UCR51366  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside San Bernardino Valley Region, City of Riverside, W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak 457 Comment
  UCR75078  Brassica tournefortii A. C. Sanders, E. J. Lawlor 1992-4-4 12122 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CDA19751  Brickellia californica H. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  RSA777276  Brickellia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4749 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65122 604 Comment
  LA210524  Brickellia desertorum John C. Roos; Lucille Roos 1950-9-30 4995 Riverside rocky hills midway between Steele Park and Elsinore, about 3 mi N of Elsinore 487 Comment
  SEINET2055878  Brickellia lemmonii G. K. Helmkamp, E. A. Helmkamp 2000-9-13 6037 Riverside Chiricahua Mins; Pinery Cyn. 3.0 mi SE of Hwy AZ 181 1737 Comment
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May 3 2014
  JOTR33947  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2836 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
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  SBBG56586  Bromus carinatus M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  UCR202436  Bromus carinatus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  JOTR35182  Bromus catharticus var. catharticus Harding, Mitzi, T. Herskovits 2011-9-14 163 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  RSA495421  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2891 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA385313  Bromus grandis N. C. Cooper 1944-7-15 1602 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  SEINET14423552  Bromus mollis M. Fellows 1983-5-9 Riverside Just W of the UCR Herbarium Comment
  CAS-BOT-BC161816  Bromus rubens C. H. Muller 1952-4-5 9489 Riverside White Water Canyon, 1 mile above White Water. Comment
  RSA799068  Bromus rubens Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  SEINET10810207  Bromus rubens Gordon H. True 1935-3-11 True 68 Riverside Sycamore Canyon, Box Springs. North hillside. 366 Comment
  CLARK-A1528-4559  Bromus trinii John C. Roos 1962-3-24 Riverside Whitewater Canyon Comment
  CLARK-A1528-4567  Bromus unioloides Alfred R. Roos 1937-11-13 Riverside Riverside 243 Comment
  SD126469  Caesalpinia spinosa Oscar F. Clarke 1988-11-23 Riverside Cultivated on Victoria Avenue between St. Lawrence & Adams Streets Comment
  RSA405298  Caesalpinia virgata N. R. Zabriskie 1973-2-7 561 Riverside West facing side, dry stream bed SE of Pack Rat Hill, Deep Canyon Drainage, N slope Santa Rosa Mtns 305 Comment
  UC499722  Caesalpinia virgata Roxana S. Ferris and R. Bacigalupi 1932-4-30 8243 Riverside in canyon between Shaver's Well and Mecca Comment
  SBBG54106  Callitriche heterophylla var. bolanderi E. W. Lathrop 1966-4-13 6164 Riverside 3 mi NW of Murrieta Comment
  MACF022933  Calocedrus decurrens Trudy R. Ericson 1979-5-28 1018 Riverside 1.6 mi. from intersection of F. S. Rd. opposite Toledo Springs Campground and Thomas Mtn. Loop Road on F. S. Rd., Santa Rosa Mtns. 2072 Comment
  RSA482011  Calocedrus decurrens Richard Noyes, Laurel Arnseth 1988-9-10 722 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild 1875 Comment
  PASA521  Calochortus J. Poole 1964-7-5 Riverside San Jacinto Mts. Comment
  POM12906  Calochortus concolor Philip A. Munz 1922-6-24 5811 Riverside Pipe Creek, Hemet Valley, San Jacinto Mountains region 1402 Comment
  RSA741060  Calochortus palmeri var. munzii Scott D. White, Justin M. Wood 2008-6-5 12067 Riverside Quinn Flat Meadow. 1372 Comment
  RSA516757  Calochortus splendens Ed LaRue 1989-4-25 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA659415  Calochortus splendens Marcy Keys 1981-5-16 64 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  RSA769686  Calochortus splendens Duncan S. Bell, J. D. England 2010-5-17 1010 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 759 Comment
  RSA755595  Calycoseris parryi Scott D. White, Michael Honer 2003-5-13 9236 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  RSA0065471  Calycoseris wrightii M. P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  RSA561085  Calystegia macrostegia subsp. arida Steve Boyd, Orlando Mistretta, Bob Boyd 1992-4-22 6997 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA525284  Calystegia macrostegia subsp. macrostegia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4598 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR137352  Camissonia John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CSUSB185  Camissonia bistorta R. Pirot 1975-5-10 Riverside Juniper Flats road and Highway 74, Homeland 542 Comment
  RSA716824  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25839 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR154407  Camissonia bistorta A. C. Sanders, Mike Misenhelter 2005-6-15 30944 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
  UCR208854  Camissonia brevipes Scott D. White 2001-4-17 8335 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  JOTR28873  Camissonia brevipes subsp. brevipes La Doux, Tasha, Bill Truesdell 2004-3-17 1108 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA136653  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11751 Riverside Colorado Desert. Alluvial plain near Colorado River, along US Highway 95, 35.8 miles north of Blythe. Comment
  RSA339645  Camissonia californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54238 Riverside San Bernardino Mountains: rocky and sandy wash along Whitewater River, ca. 3.2 miles N of Whitewater PO and Highway 10. Comment
  RSA678219  Camissonia californica Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1086 Riverside Big Morongo Wash. 473 Comment
  RSA770891  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4594 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR239880  Camissonia californica O. F. Clarke 2004-3-31 s.n. Riverside Along Redlands Blvd. in the Badlands, between Moreno Valley and San Timoteo Canyon 655 Comment
  UCR133966  Camissonia cardiophylla Mitch Provance, J. S. Ross 1998-3-27 MOR- 954 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR134591  Camissonia claviformis Marisa Sripracha, Kyle Boyd 2004-2-14 007 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  RSA101675  Camissonia claviformis subsp. aurantiaca T. C. Porter 1888-2-28 s.n. Riverside California--Colorado Desert on Salt Creek, on the South Pacific Railroad -69 Comment
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Feb 3 2011
  UCR89559  Camissonia claviformis subsp. aurantiaca George K. Helmkamp 1994-3-10 42 5 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  SEINET7073471  Camissonia contorta A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
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Jun 24 2020
  POM158448  Camissonia hirtella P. A. Munz 1927-5-21 10861 Riverside East of Ansa P.O. 1372 Comment
  UCR177996  Camissonia hirtella 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
  UCR263472  Camissonia hirtella A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35589 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  RSA543896  Camissonia micrantha Steve Boyd 1991-5-20 6273 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA752562  Camissonia micrantha Justin M. Wood 2009-3-3 328 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  RSA448993  Camissonia pallida N. R. Zabriskie, Walter Zabriskie 1973-4-25 646 Riverside Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. (site 22) 915 Comment
  RSA614890  Camissonia pallida subsp. hallii George K. Helmkamp 1998-4-3 3077 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111. 396 Comment
  HSC25792  Camissonia pallida subsp. pallida Richard Spjut 1972-3-30 2349 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  JOTR28956  Camissonia pallida subsp. pallida La Doux, Tasha 2005-3-30 1192 Riverside Joshua Tree National Park. Hexie Mtns/Pinto Basin; next to Fried Liver Wash 544 Comment
  RSA186157  Camissonia pallida subsp. pallida William Theobald 1960-4-10 62 Riverside Pinyon Crest Road 2.5 miles from Palms-to-Pines Highway. Comment
  RSA449222  Camissonia pallida subsp. pallida Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert, Indio Rd. Comment
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Oct 23 2011
  RSA80983  Camissonia pallida subsp. pallida G. R. Campbell 1952-4-5 18369 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  POM38020  Camissonia strigulosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  SEINET7862011  Camissoniopsis bistorta M. F. Barrus 1919-12-15 50 Riverside Riverside Comment
  UC1931141  Camissoniopsis intermedia Scott D. White, Justin Wood 2008-6-18 12208 Riverside San Jacinto Mountains: K Flat Meadow. (Idyllwild) Comment
  RSA0069663  Camissoniopsis pallida subsp. pallida Cheryl Sevilla, Sarah J. De Groot 2015-2-18 15 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  UCD103576  Camissoniopsis pallida subsp. pallida Collector Unknown 1923-3-25 300 Riverside Whitewater. Comment
  UCR37463  Capsella bursa-pastoris Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  SBBG122758  Carex densa A. Parikh 1990-5-15 172 Riverside Santa Rosa Plateau Ecological Reserve, between Mesa de Colorado and Mesa de Burro, 0.6 km SE of jct of Tenaja Rd and Rancho California Rd 572 Comment
  SEINET7556721 Image available Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. Fallbrook 7.5' Q. 640 Comment
  CAS-BOT-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  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
  RSA518552  Carex schottii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 179 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N ft of the San Jacinto Mountains, 1 mi W of Snow Creek Village. 488 Comment
  UC837101  Carex subfusca P. A. Munz 1922-6-24 5801 Riverside Pipe Creek San Jacinto Mts. 1584 Comment
  RSA552732  Carex triquetra Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 -B Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA674962  Carex triquetra Scott D. White, Teresa Salvato 2001-6-8 8585 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  POM230837  Castilleja affinis C. B. Clokey, Bonnie C. Templeton, I. W. Clokey 1930-4-15 4729 Riverside Perris to Gavilan Peak. 600 Comment
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Nov 8 2011
  RSA425878  Castilleja affinis Christopher Davidson 1973-4-1 1828 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA516557  Castilleja affinis R. C. Bacigalupi, J. F. MacBride, Ruth D. Sanderson, C. Leroy Custer 1952-3-30 3550 Riverside On west-facing gentle hillslope among sparse chaparral, along Calif. Highway No. 71. between Wildomar and Murrieta, 2.6 mi. N. of Murrieta, 396 Comment
  RSA562104  Castilleja affinis Steve D. Boyd 1992-4-14 6802 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR172254  Castilleja affinis 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
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  UCR100155  Castilleja applegatei subsp. martini Scott D. White 1994-4-23 2034 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  RSA448712  Castilleja applegatei subsp. martinii Christopher Davidson 1977-5-18 5628 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA730550  Castilleja applegatei subsp. martinii John F. Emmel 1983-6-6 860 Riverside SE end San Jacinto Mts.; switchbacks of trail from Tripp Meadow to Cedar Spring, 0.7 air mile NNW of Pyramid Peak. 1860 Comment
  RSA775123  Castilleja exserta Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5024 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
  SEINET4095937  Castilleja foliolosa O. M. Clark 1929-1 1702 Riverside North side of San Jacinto Mountain. Comment
  UCR100041  Castilleja foliolosa Scott D. White 1994-4-23 2050 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR165189  Castilleja foliolosa S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA305818  Castilleja linariifolia James R. Shevock 1971-5-8 1042 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  RSA741577  Castilleja miniata Scott D. White, Justin M. Wood 2008-6-17 12172 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR156295  Castilleja minor subsp. spiralis T. B. Salvato, Kent Beaman 2005-5-16 842 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
  SBBG50745  Caulanthus hallii R. S. Woglum 1941-5-17 3055 Riverside Horse Cyn, NE off Coyote Cyn Comment
  POM97996  Caulanthus hallii E. C. Jaeger 1926-4-15 s.n. Riverside Smith Canyon, Little San Bernardino Mts 1220 Comment
  CAS-BOT-BC41141  Caulanthus heterophyllus A. C. Sanders; Steven Richard Hill 2001-5-4 24134 Riverside Santa Ana Mountains Region. West of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Road. 488 Comment
  HSC92880  Caulanthus heterophyllus Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA429530  Caulanthus heterophyllus Ora M. Clark 1929-3-16 1725 Riverside N. of Whitewater Comment
  RSA709075  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains: powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain. 1220 Comment
  UCR275751  Caulanthus lasiophyllus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-24 855 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent to Corn Spring Road, draining from Corn & Aztec Springs, 396 Comment
  UC64616 Image available Caulanthus simulans W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1894 Riverside Coyote Canyon El Toro Mt.; Coyote Canyon, El Toro Mt. 1676 Comment
  CAS-BOT-BC48619  Ceanothus cordulatus H. E. McMinn 1925-7-2 1504 Riverside Trail from Idyllwild to Tahquitz Peak Comment
  UC729488  Ceanothus cordulatus Carl B. Wolf 1932-8-6 3990 Riverside base of Devil's Slide to Tahquitz Valley San Jacinto Mts., Strawberry Valley 1706 Comment
  RSA575068  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -M Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  CAS-BOT-BC49182  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-3-21 803 b Riverside San Jacinto Moutains, at intersection of Chimney Flats Road and USFs Road 5S13, 2.8 road miles (4.5 km) 1440 Comment
  SD229237  Ceanothus cuneatus var. cuneatus Dick Schwenkmeyer 2012-3-26 664 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  LA43613  Ceanothus integerrimus W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  CAS-BOT-BC51280  Ceanothus leucodermis R. S. Woglum 1941-6-12 3058 A Riverside Idyllwild Comment
  RSA59193  Ceanothus leucodermis Frank W. Gould 1943-4-18 2139 Riverside On rocky slopes in Ponderosa Pine Forest, east of Idyllwild. Comment
  SD229238  Ceanothus leucodermis Dick Schwenkmeyer 2012-4-18 701 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR35172  Ceanothus leucodermis L. B. Ziegler 1970-5-25 407 Riverside San Jacinto Mtns., On floor and slopes of the Hemet Valley [Hemet Valley = Garner Valley] 1402 Comment
  SBBG105055  Ceanothus ophiochilus S. Boyd with T. Ross 1993-3-23 7893 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd 792 Comment
  RSA0120442  Ceanothus perplexans Duncan S. Bell, LeRoy Gross 2016-5-18 9599 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  RSA0018937  Ceanothus perplexans J. D. Olmsted 1959-4-10 345 Riverside 3 miles south of Banning on highway to Idyllwild. Drainage area into San Gorgonio Pass. 1067 Comment
  RSA561075  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UC1073273  Ceanothus spinosus George B. Rossbach 1955-4-28 345 Riverside Route 78 se Banning (San Jacinto Mountains, just s of n boundary of San Bernardino National Forest); s of n boundary San Bernardino Nat For, San Jacinto Mts. Comment
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Jun 9 2012
  SDSU12875  Ceanothus thyrsiflorus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 31 Riverside Next to Santa Margarita (SDSU) Field Station trailer due north of Gorge, above Santa Margarita River. 354 Comment
  RSA254869  Ceanothus tomentosus var. olivaceus W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
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Sep 16 2008
  RSA528071  Ceanothus tomentosus var. olivaceus Scott D. White 1991-4-10 91 -44 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  CDA7299  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  SDSU12917  Centaurea melitensis Jutta Buschbom 1991-6-1 13 Riverside SE - slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500 m (15 min) NW from the field station Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR140872  Centaurea repens John Rimoldi 2004-8-15 s.n. Riverside San Bernardino Valley Region, Arlington area of Riverside, Doolittle Ave., c. 0.5 km NW of Van Buren Blvd. on Doolittle, west of Riverside Airport 226 Comment
  SEINET3094376 Image available Centaurium calycosum L. A. McGill, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch. Comment
  UCR168329  Centaurium exaltatum I. W. Clokey, E. G. Anderson 1935-8-21 6790 Riverside San Jacinto Mountains, Hemet Lake 1300 Comment
  RSA561057  Centaurium venustum Steve Boyd, T. S. Ross, D. Bramlet 1993-5-12 7356 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UCR174431  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32479 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
  UC1792827  Centromadia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2004-4-2 27426 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side just north of Rose Rd. 463 Comment
  JOTR31184  Centrostegia thurberi La Doux, Tasha, G. Clifton 2009-5-14 1981 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UCR154758  Cerastium glomeratum T. B. Salvato, Kent Beaman 2005-5-16 783 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
  CSUSB928  Cercidium floridum Steve G. Nelson 1974-4-13 Riverside Deep Canyon, found near gate to Deep Canyon Reserve in a gravelly wash 152 Comment
  RSA498416  Cercidium floridum G. R. Johnstone, Johnstone 1930-4-14 14653 Riverside Shavers Well Comment
  RSA652884  Cercidium floridum John Wallace 1991-5-18 29 Riverside Colorado River. Approximately one half mile south of Collis Mayflower County Park. Comment
  RSA86994  Cercidium floridum F. W. Peirson 1919-4-15 575 Riverside Large tree near road to Palm Canyon from Palm Springs. Comment
  UC863506  Cercidium floridum subsp. floridum I. W. Clokey 1935-4-17 6705 Riverside Shafer Wells Colorado Desert Comment
  RSA453311  Cercocarpus betuloides Ora M. Clark 1929-4-6 1954 Riverside South of Hemet. Comment
  CAS-BOT-BC135496  Cercocarpus betuloides var. betuloides K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway near road to Shumay Comment
  CAS-BOT-BC143891  Cercocarpus betuloides var. betuloides Steve Boyd; Orlando Mistretta 1992-4-22 7005 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 701 Comment
  UC12139  Cercocarpus ledifolius var. ledifolius H. M. Hall 1901-7 2585 Riverside vicinity of Tamarack Valley (San Jacinto Mountains); San Jacinto Mountains 2499 Comment
  RSA86676  Cercocarpus minutiflorus F. W. Peirson 1921-3-21 4191 Riverside Gordon Trail. 1372 Comment
  UCR67363  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3962 Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  UCR34891  Chaenactis artemisiifolia L. B. Ziegler 1975-6-11 542 Riverside San Jacinto Mtns., near Hwy 74 at Dry Creek 1009 Comment
  CAS-BOT-BC276389  Chaenactis carphoclinia Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  CDA7360  Chaenactis carphoclinia G. D. Barbe, T. C. Fuller 1973-2-27 1058 Riverside 1.3 miles east of Coachella Canal on Highway 195, Box Canyon Wash, east of Mecca. 0 Comment
  POM126313  Chaenactis carphoclinia var. carphoclinia T. Craig 1927-4-2 10 Riverside Hidden Springs Canyon. Comment
  CAS-BOT-BC276909  Chaenactis fremontii Palmer Stockwell 1940-4-24 1507 Riverside 1 mile E of Banning Comment
  CAS-BOT-BC276918  Chaenactis fremontii F. H. Billings 1926-2-6 21 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC276934  Chaenactis fremontii R. F. Hoover 1969-4-11 11211 Riverside Mouth of Morongo Valley Canyon Comment
  HSC5293  Chaenactis fremontii C. L. Hitchcock, C. V. Muhlick 1964-3-22 23265 Riverside Pinto Basin; Joshua Tree National Monument Comment
  JEPS30923  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mi E of Banning Comment
  POM351693  Chaenactis fremontii Christopher Davidson 1973-4-1 1843 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA145913  Chaenactis fremontii William McKinley Klein 1958-2-11 33 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  RSA278978  Chaenactis fremontii B. A. Prigge 1978-3-23 2416 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UC1287049  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside 4 mi s of Palm Desert (along Palms to Pines Hiway) 609 Comment
  UCD130326  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. 609 Comment
  CAS-BOT-BC277406  Chaenactis glabriuscula var. glabriuscula Anne Constant 1955-3-27 147 Riverside Colorado Desert. Highway 111, between Banning and Palm Springs Comment
  CAS-BOT-BC277415  Chaenactis glabriuscula var. glabriuscula R. F. Hoover 1968-6-7 11158 Riverside Head of St. Johns Canyon Comment
  RSA594772  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Dylan Hannon 1996-5-3 0993 B Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  SD137902  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-3 191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain. 515 Comment
  UC63011  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2036 Riverside s side of San Jacinto Mts. 1341 Comment
  UC31031  Chaenactis parishii H. M. Hall 1901-6-1 2128 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1524 Comment
  UC535051  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  UC1329848  Chaenactis stevioides James E. Cole 1941-6-17 920 Riverside Live Oak Tank (dry) Joshua Tree National Monument 1219 Comment
  UCR275463  Chaenactis stevioides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA614334  Chamaesyce maculata George K. Helmkamp, E. A. Helmkamp 1997-1-8 1279 Riverside Palm Springs. Lawn at El Cielo and Tahquitz-McCallum. 152 Comment
  RSA0021558  Chamaesyce polycarpa Duncan S. Bell, Aaron Sims 2012-3-10 2045 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  RSA0042831  Chamaesyce polycarpa Duncan S. Bell, Deidre Conocchioli 2014-3-18 6247 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  RSA432474A  Chamaesyce polycarpa var. hirtella P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA432484A  Chamaesyce polycarpa var. hirtella Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside West of blythe. Comment
  RSA0104494  Chamaesyce serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CAS-BOT-BC70041  Cheilanthes covillei Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  POM11164  Cheilanthes covillei Philip A. Munz 1922-7-1 5937 Riverside Santa Rosa Mountains: Old Santa Rosa. 1402 Comment
  UCR18781  Cheilanthes newberryi John C. Roos, L. Roos 1951-10-27 5348 Riverside Riverside, Mt. Rubidoux. 305 Comment
  CAS-BOT-BC70335  Cheilanthes parryi W. R. Dudley 1903-12-25 s.n. Riverside below the mouth of Tahquitz Canyon Comment
  CAS-BOT-BC70338  Cheilanthes parryi Barbara Shervanick 1973-2-18 652 Riverside Palm Springs, end of Raquet Club Road, about 1/2 mile from Aerial Tramway, San Jacinto Mts., Salton Sea, Colorado Desert 365 Comment
  UCR120295  Chenopodium Mitch Provance 1998-5-25 877 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  CLARK-A1528-2555  Chenopodium album John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  SD247396  Chenopodium berlandieri Andy Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains: near central Idyllwild, west side of Highway 243 at road junction to Astrocamp (Saunders Meadow Road) and 0.15 kilometer northeast of Tollgate Road junction. 1595 Comment
  HSC4382  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside About 5 mi. NE of Aguanga Comment
  RSA714432  Chenopodium californicum A. C. Sanders 2004-5-12 27869 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR157948  Chenopodium desiccatum T. B. Salvato, A. C. Sanders 2005-5-17 919 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
  RSA629022  Chenopodium murale Scott D. White 1998-6-28 6799 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR256891  Chenopodium murale Duncan S. Bell, Evan Meyer 2014-4-2 6492 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness boundary, southern section of range; c. 0.4 air mile south of Canyon Spring 352 Comment
  CLARK-A1528-5651  Chenopodium pumilio John C. Roos 1947-8-15 Riverside Santa Ana River Comment
  CAS-BOT-BC231779  Chilopsis linearis Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9582 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  CLARK-A1656-889  Chilopsis linearis Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  RSA455306  Chilopsis linearis E. C. Jaeger 1922-6-18 s.n. Riverside Banning. Comment
  RSA651007  Chilopsis linearis David B. Dunn 1947-7-12 2969 Riverside Pushawalla canyon, Indio Hills. In the wash below the main group of palms. Comment
  SD229110  Chilopsis linearis Dick Schwenkmeyer 2012-5-22 713 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  LA204147  Chilopsis linearis subsp. arcuata M. Zaitlin; 1951-5-26 sn Riverside Palm Springs Comment
  CAS-BOT-BC184869  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley. 20 miles west of Blythe on the Mecca Road. 121 Comment
  CAS-BOT-BC540732  Chloris virgata Sarah J. De Groot; Amy Rouillard 2015-9-15 7562 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCD59673  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Massachusetts Ave., Riverside, Bell lot. Comment
  UCR2286  Chloris virgata F. M. Reed 1925-8-10 5136 Riverside Glen Avon, Granite Hill Ranch 183 Comment
  SEINET3132312  Chorizanthe brevicornu var. brevicornu G. B. Grant 1906-5-1 173 a-6715 Riverside Colorado Desert at Palm Springs Comment
  UCR226855  Chorizanthe brevicornu var. brevicornu Jim Andre 2011-2-9 15921 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
  RSA674572  Chorizanthe fimbriata Scott D. White 2000-5-3 7763 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of 'Red Hawk' subdivision. 351 Comment
  RSA586719  Chorizanthe fimbriata var. fimbriata D. L. Banks, S. D. Boyd 1995-5-17 442 Riverside NW Palomar Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., lower Arroyo Seco; S of the Dripping Springs Campground, W the Dripping Springs Trail. 573 Comment
  CAS-BOT-BC191344  Chorizanthe leptotheca James L. Reveal 1988-5-23 6864 Riverside along California Hwy 75 at milepost 48, 3 miles E of Fairview Ave. in Valle Vista, N of the highway and S of the San Jacinto River 609 Comment
  NY468374  Chorizanthe parryi G. H. True Jr. 1936-4-10 221 Riverside Sycamore Canyon, Box Springs 365.8 Comment
  SD134409  Chorizanthe parryi var. parryi Craig Reiser 1991-4-25 Riverside Just S of Harford County Park and Idaleona Road Comment
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Jul 11 2010
  CAS-BOT-BC257185  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1788 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  RSA585871  Chorizanthe procumbens D. L. Banks, S. D. Boyd 1995-5-9 356 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. 793 Comment
  CAS-BOT-BC246241  Chorizanthe rigida Peter H. Raven 1958-1-23 11430 Riverside alluvial fan of Fargo Canyon Comment
  HSC28466  Chorizanthe rigida Richard Spjut 1973-4-5 3268 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  JOTR36451  Chorizanthe rigida La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3421 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  POM10485  Chorizanthe staticoides Charlotte M. Wilder 1903-6-4 203 Riverside Wilder's Canyon. Jurupa Hills. Comment
  UCR199924  Chorizanthe staticoides Scott D. White, Justin Wood 2008-4-16 11886 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  CLARK-A1528-3729  Chorizanthe thurberi John C. Roos 1943-5-23 2678 Riverside Comment
  UCSB11821  Chrysolepis sempervirens Creighton, B. 1961-5-6 Riverside at upper end of road to Black Mtn. Lookout, which begins 6.5 miles northeast of Banning-IdylIwild road, 18.2 miles south of Banning, San Jacinto Mountains 2286 Comment
  POM352018  Chrysothamnus paniculatus L. C. Wheeler 1933-12-1 2288 Riverside 2 miles E Cabazon, San Gorgonio Pass 640 Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  UC873886  Chylismia brevipes subsp. brevipes Ira L. Wiggins 1937-3-9 8756 Riverside wash 5 mi w Shaver's Well Comment
  RSA0118063  Chylismia cardiophylla subsp. cardiophylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7620 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  SD185268  Chylismia claviformis Nathan Moorhatch 2005-2-17 Riverside Western Sonoran Desert: Coachella Valley, east edge of Santa Rosa Mountains, La Quinta west of Washington St. between Ave. 48 and Lake La Quinta Dr. -36 Comment
  CAS-BOT-BC160633  Chylismia claviformis subsp. aurantiaca Aven Nelson; Ruth A. Nelson 1939-3-28 3305 Riverside South of Mecca on hiway 111, to Salton Sea Comment
  UC1122176  Chylismia claviformis subsp. aurantiaca H. S. Yates 1936-4-7 5441 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle 243 Comment
  UC1184361  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-16 11862 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  UC700979  Chylismia claviformis subsp. aurantiaca Aven Nelson, Ruth A. Nelson 1939-3-22 3215 Riverside Hwy 99 near Palm Springs Comment
  UC1523626  Cirsium vulgare Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61280 Riverside near Murrieta-Guava St. roads (a few mi s of Murrieta); De Luz Arroyo 385 Comment
  RSA0019617  Cistanthe ambigua Michael Wall 2009-4-5 s.n. Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  POM226887  Cistanthe monandra L. R. Abrams 1935-4-7 13670 Riverside Gavilan Hills, 2 mi. SW. of Perris. Comment
  POM13997  Clarkia dudleyana E. C. Jaeger 1921-6-13 938 Riverside San Jacinto Mountains, McMullen Trail [Banning to McMullen Flat] 915 Comment
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Nov 5 2011
  POM13115  Clarkia epilobioides P. A. Munz, I. M. Johnston 1922-5-19 5340 Riverside 5 mi. NE of Murietta. 396 Comment
  UCR116665  Clarkia purpurea A. C. Sanders, Carolyn Washburn 2001-5-10 24233 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  OBI33538  Clarkia purpurea subsp. quadrivulnera Patricia Tomlinson 1981-5-24 33 Riverside SW Riverside Co. At Mesa Colorado, approx 1 mi S of Tenaja rd, 3 mi E of Squaw Mtn, area near vernal pools 652 Comment
  UCR228882  Claytonia parviflora A. C. Sanders 2011-4-6 39020 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
  RSA757990  Claytonia parviflora subsp. parviflora Doug Goldman 2005-5-11 3281 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
  SDSU12921  Claytonia parviflora subsp. parviflora J. Jill Steinberg with Janet Knotts 1998-3-11 5 Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 305 Comment
  POM307263  Claytonia parviflora subsp. tenuifolia Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2123 Riverside Santa Rosa Mountains. Comment
  RSA614412  Claytonia perfoliata D. L. Banks 1997-3-16 1545 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
  UCR168685  Claytonia perfoliata T. B. Salvato, John F. Green 2004-5-27 585 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UC1292272  Claytonia perfoliata subsp. mexicana C. L. Hitchcock and C. V. Muhlick 1964-3-17 23074 Riverside 8 mi se Corona (along road to Elsinore) Comment
  JOTR16830  Clematis pauciflora Wanrow, E. & Moore, Sue 1968-3-13 s.n. Riverside Joshua Tree National Park. BARKER DAM TRAIL, 200 YARDS SOUTH OF LAKE EDGE 1325 Comment
  RSA440813  Cleome isomeris T. S. Clare 1931-01 s.n. Riverside Colorado Desert. Comment
  RSA650742  Cleome isomeris David B. Dunn 1948-1-25 3642 Riverside One mile south of Cabazon, east of Banning Pass between the San Jacinto Mts. & the San Gorgonio Mts. Comment
  UC1281118  Coleogyne ramosissima H. E. McMinn 1937-3-5 4491 Riverside ne part Cottonwood Mts. Comment
  RSA0117432  Collinsia concolor D. L. Banks, Steve D. Boyd 1995-5-3 263 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
  UCR120345  Collinsia concolor Mitch Provance 1998-4-5 387 Riverside Reche Canyon, Reche Canyon Road, near intersection with Keissel Rd., c. 1 mile south of S.B.C./R.C. Line. 549 Comment
  SD152751  Collinsia heterophylla Steve Boyd 1992-4-15 6868 Riverside San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  GMDRC3109  Colubrina californica J. Andre, T. La Doux 2008-9-13 10276 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  HSC28488  Colubrina californica Richard Spjut 1973-5-3 3342 Riverside Colorado Desert, N face of Chuckawalla Mtns. 3-4 mi. S of Desert Center 305 Comment
  JEPS13823  Colubrina californica Marjorie D. Clary 1935-11-17 2568 Riverside three mi e Mecca-Blythe Road; SE Colorado Desert, southeast slope of Eagle Mountains Comment
  UC1494254  Colubrina californica C. S. Jones 1979-3-27 41 Riverside in se-facing canyon about 300 yards from unnamed dirt road aprroximately 10 miles from I-10 (4 mi w of Desert Center) 426 Comment
  UC2027652  Colubrina californica Carolyn Martus, Joseph Betzier, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  UCR18910  Colubrina californica John C. Roos 1967-11-11 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mts.; canyon bottom 3 mi. SE of Desert Center Comment
  UCR22639  Colubrina californica C. S. Jones 1979-3-27 41 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  SBBG71930  Condea emoryi M. N. Ackley -Feb-1926 484 Riverside Mecca -60 Comment
  UCR130846  Conium maculatum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  RSA335030  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 mi. west of Rancho California on De Luz Rd. 396 Comment
  UCR1442  Conyza bonariensis Joyce Kleinjan 1961-4-21 s.n. Riverside Riverside, W side of Canyon Crest Drive, 75 yards south of 3rd street. 351 Comment
  CAS-BOT-BC168173  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
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Jul 9 2019
  RSA761163  Corallorhiza maculata Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 696 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC287883  Coreopsis californica Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake Area, valley between Black Hills and Rocky Ridge 701 Comment
  UCR29813  Coreopsis californica M. G. McLeod, D. J. Keil 1977-3-26 12010 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  UCSB22622  Corethrogyne filaginifolia Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  SBBG59864  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  RSA614173  Crassula connata D. L. Banks 1997-2-23 1286 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SBBG120133  Crassula connata A. C. Sanders with K. Volansky 2005-3-17 29202 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Mar 20 2011
  SD143943  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mountains; Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 420 Comment
  UCR230201  Crassula connata A. C. Sanders 2011-4-6 38993 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
  RSA593888  Crassula solieri Steve Boyd, Dave Bramlet 1996-4-19 8611 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR114190  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23637 Riverside Perris-Aguanga Basin Region, French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., c. 0.5 km NE of Adobe Spring 409 Comment
  NY268562  Crossosoma bigelovii T. Labouchere 1915-4-15 3315 Riverside San Jacinto Mountain. Comment
  POM296499  Crossosoma bigelovii Lyman Benson 1945-3-29 11632 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  RSA0104697  Crossosoma bigelovii Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-25 7758 Riverside Santa Rosa Mountains; in Agua Alta Canyon to the north of Martinez Canyon, approximately 5.5 air miles southeast of the summit of Martinez Mountain. 440 Comment
  RSA124432  Crossosoma bigelovii Percy C. Everett, E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  UCR47311  Crossosoma bigelovii David Charlton 1986-12-26 654 Riverside Sonoran (Colorado) Desert, Coxcomb Range, at E end of Joshua Tree Nat. Monument, northernmost W facing large canyon in the range, just north of Specter Peak 915 Comment
  OBI26132  Croton californicus David J. Keil 1976-12-12 11911 Riverside 5 mi E of Indio along I-10 Comment
  RSA586856  Croton californicus D. L. Banks, S. D. Boyd 1995-5-3 0275 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
  SEINET3089930 Image available Croton californicus B. Pitzer 1986-5-24 247 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
  UC1281151  Croton californicus H. E. McMinn 1935-6-27 4038 Riverside Aquanga Comment
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Dec 13 2011
  UC868657  Croton californicus Lewis S. Rose 1938-12-18 38321 Riverside Palm Springs 137 Comment
  UCR136187  Croton californicus Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA480701  Croton californicus var. mohavensis M. B. Dunkle 1937-3-25 4911 Riverside East of Indio, Colorado Desert. Comment
  SD44841  Croton setiger Darley F. Howe 1952-4-29 Riverside Chuckwalla Mountains Comment
  UCR35108  Croton setiger L. B. Ziegler 1974-7-17 531 Riverside Foothills of San Jacinto Mtns, beside Poppet Flat Road 671 Comment
  CDA17343  Crypsis schoenoides M. Tracy 2004-8-2 PDR 1116196 Riverside West Coast Turf, 31755 Winchester Rd., Winchester. 0 Comment
  POM368198  Cryptantha angustifolia D. A. Young 1969-3-28 342 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  POM368207  Cryptantha angustifolia N. C. Cooper 1949-4-8 3268 Riverside Mecca Pass east of Indio. 610 Comment
  RSA4903  Cryptantha angustifolia C. B. Wolf 1932-4-27 3019 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD227778  Cryptantha angustifolia Scott D. White, Pam Devries 1998-2-6 6082 Riverside La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  UCR214697  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37517 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UCR279538  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-27 43127 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  UCR157739  Cryptantha barbigera A. C. Sanders 1987-2-12 6976 Riverside Sonoran (Colorado) Desert, foot of Rabbit Peak on the trail up the mountain from the east 122 Comment
  RSA136586  Cryptantha barbigera var. barbigera P. H. Raven 1960-5-6 12928 Riverside Along State Hwy 74, 15.6 miles SW of Palm Desert, San Jacinto Mtns. Comment
  POM368291  Cryptantha barbigera var. fergusoniae T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  UCR237695  Cryptantha barbigera var. fergusoniae Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4702 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  JOTR33967  Cryptantha circumscissa var. circumscissa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2853 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
  UCR26949  Cryptantha clevelandii var. clevelandii E. W. Lathrop 1966-5-8 6413 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR116606  Cryptantha decipiens A. C. Sanders 2001-4-8 23978 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  CAS-BOT-BC218759  Cryptantha holoptera John Thomas Howell 1928-3-24 3529 Riverside Painted Canyon [Canon], Colorado Desert Comment
  RSA79569  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  RSA13343  Cryptantha intermedia Percy C. Everett 1935-6-17 7165 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  RSA645677  Cryptantha intermedia Scott D. White 1999-5-2 7295 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
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Feb 22 2008
  RSA732138  Cryptantha intermedia J. Andre 2006-4-6 8148 Riverside Joshua Tree National Park: approx 50 m N. of Keys View Parking area. 1553 Comment
  RSA771755  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4632 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA771787  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4702 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 W116.65123 604 Comment
  SBBG37501  Cryptantha intermedia R. N. Muller 1967-4-8 3 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
  UCR101789  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1322 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR113214  Cryptantha intermedia A. C. Sanders 1998-1-15 21641 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR177150  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR250877  Cryptantha intermedia S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1040 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR87614  Cryptantha intermedia A. C. Sanders 1994-5-30 14593 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  JOTR35364  Cryptantha maritima Harding, Mitzi, M. Wheeler 2011-1-26 148 Riverside Joshua Tree National Park. West Coxcombs, north facing rocky slope (STOP3) 328 Comment
  POM147640  Cryptantha maritima F. M. Reed 1927-3-19 5434 Riverside Dos Palmas Springs north of Salton Sea Comment
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Apr 6 2011
  RSA799817  Cryptantha maritima D. M. Ray 2011-3-5 15 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UC998315  Cryptantha maritima H. K. Wagnon 1944-3-12 325 Riverside Cathedral City Cathedral Canyon Comment
  UCR50380  Cryptantha maritima F. R. Fosberg 1930-3-9 S- 01557 Riverside Western Colorado Desert, Devil's Garden; between Morongo Wash and Whitewater Wash. Comment
  UCR193489  Cryptantha micrantha var. lepida A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35608 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  SD167191  Cryptantha microstachys A. C. Sanders 1994-5-30 14596 Riverside San Bernardino Mountains; northnortheast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St. 950 Comment
  UCR228911  Cryptantha microstachys A. C. Sanders 2011-4-7 39032 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
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  CLARK-A1528-2229  Cryptantha nevadensis John C. Roos 1966-3-20 Riverside Comment
  UCR102700  Cryptantha nevadensis B. G. Pitzer 1998-1-24 3383 .1 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  POM305855A  Cryptantha oxygona Henry J. Ramsey, Henry J. Ramsey 1938-4-23 1165 -A Riverside Santa Rosa Mtns. Comment
  SDSU18703  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 62 Riverside Joshua Tree National Park. Hidden Valley, 0.22 miles west of the Hidden Valley Picnic area, west of the Hidden Valley Nature Loop Trail. Underneath Salizarea mexicana, amongst large boulders. 1294 Comment
  UCR72188  Cryptantha pterocarya var. cycloptera Theo Glenn 1992-3-31 92- 08 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA27050  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA0088401  Cryptantha simulans T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountains: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. 1341 Comment
  RSA0121054  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-29 9116 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SBBG63969  Cryptantha utahensis M. N. Ackley 1928-3-10 45 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UC857297  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5856 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  SD28102  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside Summit of San Jacinto Peak, San Jacinto Mountains 3310 Comment
  SBBG121536  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd; Lakeview Mtns 550 Comment
  UCR174305  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32646 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., vicinity of peak 2279 695 Comment
  UCR110410  Cuscuta pentagona A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23171 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA0121040  Cuscuta salina Duncan S. Bell, LeRoy Gross 2016-3-29 9127 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  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
  UCD98514  Cycloloma atriplicifolium K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UCR24269  Cycloloma atriplicifolium John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Indio Comment
  UCR92293  Cycloloma atriplicifolium Scott D. White 1995-8-23 3581 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA572986  Cyclospermum leptophyllum Steve Boyd 1986-4-18 1691 Riverside U. C. Riverside Campus: West side of statistics computer building. Comment
  RSA0097552  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18296 Riverside Chuckwalla Mountains, Corn Springs Wash, 3.3 km WNW of Corn Spring, 70 km west of Blythe. 579 Comment
  UC1931672  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside UC Riverside Botanic Garden Comment
  UCR72164  Cynanchum utahense Theo Glenn 1991-5-8 91- 84 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UCR37438  Cynodon dactylon Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  UCR271689  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCSB37831  Cyperus erythrorhizos J. Roos 1951-9-25 5249 Riverside FAIRMOUNT PARK 259 Comment
  POM10386  Cyperus laevigatus F. M. Reed 1905-10-29 836 Riverside Chinatown ford on Santa Ana River. [Riverside, crossing of river below the old Chinatown site in lower Arroyo Tequesquite] Comment
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Oct 10 2009
  CAS-BOT-BC113944  Cyperus odoratus Samuel B. Parish 1913-9-20 8616 Riverside In the small stream from the RR waterworks, Mecca. Salton Sink. -57 Comment
  CAS-BOT-BC113967  Cyperus odoratus J. Ewan 1931-10-3 s.n. Riverside Wet sand along river bank, Santa Ana River, 4 mi NW of Corona. Comment
  CHSC97910  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio Comment
  CAS-BOT-BC114045  Cyperus squarrosus Harvey Keith Wagnon 1944-5-25 396 Riverside By stream, Tahquitz Canyon, Palm Springs. Comment
  UCR20923  Cyperus squarrosus A. C. Sanders 1978-7-3 0839 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA667129  Cyrtomium falcatum A. C. Sanders, Steve Boyd 2000-11-30 23727 Riverside Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 366 Comment
  POM11657  Cystopteris fragilis P. A. Munz, I. M. Johnston 1922-5-19 5386 Riverside 3 miles west of Keen Camp. 1494 Comment
  CLARK-A1528-5246  Dalea californica John C. Roos 1948-4-24 3800 Riverside Whitewater 457 Comment
  CLARK-A1528-468  Dalea emoryi Shirley Hill 1963-3-13 630313-3 Riverside Palm Springs Comment
  RSA675051  Dalea mollis Scott D. White, Bill La Haye 2001-4-28 8432 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  SEINET3004993  Dalea mollis G. Rink, M. Baker 2011-4-3 10421 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UC724223  Dalea mollis Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  UCR166009  Dalea mollis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  JEPS41649  Dalea mollissima H. M. Hall Apr. 1905 5792 Riverside Colorado Desert Comment
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Sep 11 2011
  POM1902  Dalea mollissima I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  RSA0031553  Dalea mollissima Duncan S. Bell 2013-1-30 4443 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
  RSA480074  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CLARK-A1656-873  Dalea spinosa Jim Cornett 1977-6-24 Riverside Palm Springs 146 Comment
  CSUSB2045  Dalea spinosa Daryl Faustini, Ned Curtis 1973-7-11 248 Riverside Joshua Tree National Monument 182 Comment
  RSA782036  Dasyochloa pulchella Duncan S. Bell 2011-10-22 2979 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
  POM122285  Datisca glomerata Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  RSA741265  Datisca glomerata Scott D. White, Justin M. Wood 2008-7-10 12454 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR186730  Datura discolor Scott D. White, Pam DeVries 2006-3-14 11262 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA479904  Datura stramonium Steve D. Boyd 1987-10-10 2093 Riverside N. Main St. just S of Santa Ana River. Comment
  UCR113905  Datura wrightii Mitch Provance 1998-4-18 456 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Riverside Cement Company. 396 Comment
  UCR244072  Datura wrightii Jim Andre 2012-4-16 20898 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR251351  Datura wrightii S. J. Myers 2014-5-21 1060 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR94958  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  SEINET7062848  Daucus pusillus A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile west of Lake Elsinore. Railroad Canyon. UTM Zone 11, 464455mE, 3724990mN. (WGS84/NAD83). 393 Comment
  UCR172191  Daucus pusillus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  CAS-BOT-BC293825  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside. Highgrove 365 Comment
  RSA747276  Deinandra fasciculata Orlando Mistretta 1992-6-10 513 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UC1069514  Deinandra fasciculata A. Lewis 1934-5-1 446 Riverside Head Wild Horse Canyon; Elsinore Quadrangle Comment
  UC1746495  Deinandra fasciculata A. C. Sanders, T. B. Salvato 2000-5-25 23412 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  UCSB37786  Deinandra fasciculata Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  CAS-BOT-BC294106  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC294115  Deinandra kelloggii L. R. Abrams 1912-7-11 4921 Riverside Sugar Loaf [Sugarloaf] Valley Comment
  UC1929655  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 b Riverside Peninsular Ranges, San Jacinto Mountains region; Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  CAS-BOT-BC7986  Delphinium parishii subsp. parishii S. Parish; W. F. Parish 1883-4-1 255 Riverside Colorado Desert, Cabezon Station Comment
  JEPS5765  Delphinium parishii subsp. parishii D. A. Johansen and J. A. Ewan 1932-4-10 7094 Riverside mouth of canyon above Palm Springs; western Colorado Desert, Tahquitz Canyon Comment
  RSA717581  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  RSA757731  Delphinium parryi LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4352 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SBBG122777  Delphinium parryi A. Parikh 1990-4-17 152 Riverside 0.4 km S of Potrero Crk, 4.1 km ENE of Gilman Hot Springs 665 Comment
  UCR155060  Delphinium parryi Jason L. Hlebakos 2005-5-30 812 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR16753  Delphinium parryi D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  UCSB1996  Delphinium parryi Mazzia, Linda 1960-5-14 Riverside 2.2 miles south of highway 70-99 on Banning to Idyllwild road 914 Comment
  CAS-BOT-BC121425  Delphinium parryi subsp. parryi Ynez Whilton Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  RSA0019614  Delphinium parryi subsp. parryi J. D. Olmsted 1958-6-15 187 Riverside S. Fork San Jacinto River just below its outlet from Hemet Lake, 10 mi. S of Mt. Center off of Pines to Palms Highway. San Jacinto Mountains, San Jacinto River drainage area. 1280 Comment
  SDSU5504  Delphinium patens W. T. Williams 1962-5-12 Riverside San Jacinto Mtns. 4000 ft marker 20 ft s of wayside rest along Hwy between Hemet and Idyllwild. 1219 Comment
  SD152771  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  HSC85258  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA263755  Dicentra chrysantha E. W. Lathrop 1973-04 6884 Riverside 4 miles betw. Tin Mine Canyon and Santiago Peak, Skyline Drive 732 Comment
  RSA33579  Dicentra chrysantha N. C. Cooper 1944-6-4 1359 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR113154  Dichelostemma capitatum A. C. Sanders 1998-3-11 21666 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR155058  Dichelostemma capitatum Jason L. Hlebakos 2005-5-30 814 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  IRVC56  Dichelostemma capitatum subsp. capitatum Steve Gilbert 1965-4-24 HS 0100 Riverside Ortega Highway (74); Upper San Juan Creek Campground. Peninsular Ranges, Santa Ana Mountains Comment
  RSA34557  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-6-17 1441 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA208915  Dichelostemma pulchellum var. pulchellum Robert L. Rutherford 267 Riverside Banning. Comment
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Mar 21 2011
  SFV11885  Dicoria canescens 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
  JEPS40728  Dieteria asteroides var. asteroides Marjorie D. Clary 1932-5-9 371 Riverside near Neighbors; Palo Verde Valley 91 Comment
  CAS-BOT-BC153093  Diplacus fremontii Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC153101  Diplacus fremontii E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore 350 Comment
  RSA0019417  Diplacus fremontii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6173 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA0019414  Diplacus fremontii J. T. Howell 1927-8-2 562 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA0018429  Diplacus longiflorus var. longiflorus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UC50795  Distichlis spicata H. M. Hall May 1902 3284 Riverside Santa Ana River 182 Comment
  UCR256773  Distichlis spicata T. B. Salvato, Matthew Malle 2013-5-20 7585 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR264613  Distichlis spicata Mitch Provance 2011-6-6 17005 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  RSA0002645  Ditaxis claryana Marjorie D. Clary 1932-12-16 1707 Riverside Ten miles west of Coachella, foot of Santa Rosa Mountains. -14 Comment
  JOTR34093  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 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
  POM122228  Ditaxis lanceolata Theodore Labochere 1915-04 204 Riverside Borders on the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs; near the mouth of Chino Canyon. Comment
  RSA600221  Ditaxis lanceolata L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. 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
  UCR180228  Ditaxis neomexicana Scott D. White, Pam Devries 2006-3-14 11255 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  JOTR35390  Dithyrea californica Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 178 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  RSA530738  Dithyrea californica Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA530746  Dithyrea californica E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert Comment
  SD2008  Dithyrea californica Ruth B. Randall 1922-4-10 Riverside Coachella Valley, Reed Ranch Comment
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Nov 19 2011
  CDA36024  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont; San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10. 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
  SEINET4568276 Image available Draba crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  HSC1035  Dryopteris arguta W. R. Supernaugh, Jr. 1964-12-24 24 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  HSC35460  Dryopteris arguta J. D. Ackerman, A. M. Montalvo 1975-6-26 526 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  RSA40400  Dryopteris arguta Sara Schenck 1948-02 s.n. Riverside small valley near Desert Queen Mill Site, Joshua Tree National Monument, Little San Bernardino Mountains. Comment
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Nov 6 2011
  CAS-BOT-BC411416  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi. W of Hwy I-15 on N facing slope Comment
  CAS-BOT-BC416942  Dudleya pulverulenta L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  RSA341995  Dudleya saxosa subsp. aloides R. F. Thorne 1980-4-16 54058 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  POM356492  Dyssodia porophylloides Christopher Davidson, J. Jones 1980-4-4 9958 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
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Sep 17 2011
  SEINET8060733 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 19 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  SDSU18667  Echinocereus triglochidiatus Michael G. Simpson, Kristen Hasenstab 2008-4-2 2953 Riverside Joshua Tree National Park. Mouth of canyon at southwest end of Hidden Valley. 1272 Comment
  UC39152  Echinochloa crus-galli E. L. Koethen 1897-8-12 8 Riverside Riverside Comment
  UCR120306  Echinodorus berteroi Mitch Provance 1997-7-3 1104 Riverside City of Riverside, N side Riverside Community College, just east of Magnolia Ave. 244 Comment
  UCR268307  Ehrendorferia chrysantha Jim Andre 2012-6-15 30500 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  SEINET3386355 Image available Ehrharta longiflora Thomas Jay Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region; Santa Margarita Ecological Reserve: Temecula Gorge, south side 239 Comment
  UC1950033  Elatine californica R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  UCR178023  Eleocharis acicularis Randy Blackman 2006-10-24 s.n. Riverside Menifee Valley, weed in turf on softball field, Paloma Valley High School, 32375 Bradley Rd. between Holland Rd. and Garboni Rd. 450 Comment
  UCR96879  Eleocharis macrostachya Scott D. White 1993-4-30 1313 B Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR104947  Eleocharis montevidensis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20688 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR113938  Eleocharis montevidensis Mitch Provance 2000-6-24 2063 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR68862  Eleocharis montevidensis Steve Boyd, T. S. Ross 1990-5-11 4664 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
  UC839226  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  UCR220146  Eleocharis parishii D. E. Bramlet 1989-4-10 1828 Riverside Peninsular Range; Perris-Aguanga Basin region, Tucalota Creek, 600 ft. west of Washington St. and 300 ft. south of Benton Road 416 Comment
  UCR125276  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 366 Comment
  UCR154760  Elymus condensatus T. B. Salvato, Kent Beaman 2005-5-16 781 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
  UC729841  Elymus elymoides subsp. elymoides Carl B. Wolf 1932-8-5 3948 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  CLARK-A1528-56  Elymus glaucus C. M. Flanagan 1973-5-22 OO 904 Riverside Rubidoux Comment
  RSA674942  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR262262  Elymus glaucus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3732 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA500528  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3614 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  SD137957  Elymus glaucus subsp. glaucus Darin L. Banks, Steve Boyd 1995-5-17 469 Riverside Northwest Palomar Mtns; Cleveland N.F., Agua Tibia Wilderness Area; North face Agua Tibia Mountain, East of the Dripping Springs Alcove area West of the Dripping Springs Trail, at the spring just inside the wilderness boundary in north-central Section 33 730 Comment
  SD232144  Elymus trachycaulus Scott D. White, Justin M. Wood 2008-6-19 12273 Riverside San Jacinto mountains, Meadows at Baldy mountain 483 Comment
  CLARK-A1528-4608  Elymus triticoides John C. Roos 1937-5-19 2062 Riverside Norco Comment
  RSA678348  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10461 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR116828  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23929 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR133664  Emmenanthe penduliflora 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
  UCR279566  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43174 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  SBBG133560  Emmenanthe penduliflora S. D. White 2004-4-26 10269 Riverside Soboba Indian Reservation, Indian Crk Watershed, San Jacinto Mtn foothills 518 Comment
  CAS-BOT-BC131162  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  SD187347  Encelia actoni Scott D. White 2004-9-16 10751 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UC495322  Encelia actoni P. A. Munz 1932-4-24 12399 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  RSA613907  Encelia californica A. C. Sanders, O. F. Clarke 1997-5-4 20672 Riverside Baeumont: near railroad on E side of Hwy 79, S of I-10 793 Comment
  UCR183175  Encelia californica Mitch Provance 2003-5-5 4413 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CAS-BOT-BC131333  Encelia farinosa L. Street 1917-5-15 s.n. Riverside Elsinore Comment
  CAS-BOT-BC293733  Encelia farinosa Mona Bourell 1987-4-14 3274 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  CHSC46063  Encelia farinosa Troy Griffiths 1988-4-1 104 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 45 Comment
  HSC5481  Encelia farinosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23077 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  JOTR32046  Encelia farinosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2275 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  OBI2899  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  SDSU3839  Encelia farinosa H. Wedberg 1962-4-20 903 Riverside 1.3 miles from Cranston Ranger Station on road to Mountain Center, Idyllwild Mountains. 732 Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UCD130857  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of junction of Hwy 78 and Hwy 60-70 near Blythe. Comment
  UCR232048  Encelia farinosa John F. Green 2008-4-15 0408- 11 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SEINET10891992  Encelia farinosa David B. Dunn, Howard Brown 1947-2-9 Dunn 2857 Riverside Pushawalla Canyon, Indio Hills. In dry wash in canyon. Comment
  POM356681  Encelia farinosa var. farinosa D. A. Young 1969-3-21 308 Riverside 3 miles SE of Hwy 74 (8 miles S of Palm Desert) near the fence of the University of California. 366 Comment
  RSA792933  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 123 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  UC485518 Image available Encelia frutescens Frank Stephens 1895-3-31 53 Riverside near Palmetto Springs [Palm Springs] 243 Comment
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Jul 8 2010
  JEPS49119  Ephedra Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio (Carrizo Canyon); Colorado Desert, Carrizo Canyon 304 Comment
  CHSC99601  Ephedra aspera LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 b Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115deg.19'54'W to 33deg.36'52'N, 115deg.19'54'W. UTM 3721895N,655238E to 372066N, 654757E. General collecting along canyon bottom and slopes. Male shrub growing on rocky slopes. 514 Comment
  RSA650252  Ephedra californica Marion P. Harthill 1973-2-17 1554 Riverside Snow Creek, Palm Springs 366 Comment
  SJSU126  Ephedra californica C. D. Duncan 1933-3-24 Riverside Palm Springs Comment
  UC1007229  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside 2 mi n Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  RSA0020369  Ephedra nevadensis Duncan S. Bell 2012-3-4 3128 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  UCR275148  Ephedra trifurca David Fraker, Aaron C. Sedgwick 2012-3-27 039 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  JEPS44033  Epilobium canum subsp. latifolium W. L. Jepson 1903-8-9 2325 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA186221  Epilobium canum subsp. latifolium L. B. Ziegler 1966-9-13 s.n. Riverside Carrizo Creek, desert side of San Jacinto Mountains. 671 Comment
  RSA509568A  Epilobium ciliatum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR118182  Epilobium ciliatum Mitch Provance, Twoc Tran 1998-5-30 566 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  RSA674611  Epilobium densiflorum Scott D. White 2000-8-5 8180 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA557313  Epilobium pygmaeum Julie Greene, Steve D. Boyd, Dave Bramlett, Hilda Flores, Helga Ochoterana 1993-7-9 1413 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  UCR38681  Epipactis gigantea J. M. Stewart 1985-6-2 8523 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, Palm Canyon drainage 244 Comment
  SD137996  Equisetum laevigatum Darin L. Banks, Steve Boyd 1995-5-4 302 Riverside North slope of Agua Tibia Mountain, east of Dripping Springs Alcove area, north of Wildhorse Trail, along Arroyo Seco 598 Comment
  CAS-BOT-BC204533  Eragrostis curvula S. Morgan 1992-7-27 92 -7 Riverside UCR campus. In the Latin American section of the UCR Botanical Garden; garden quad. F-4 Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCD63544  Eragrostis mexicana subsp. virescens Malcolm A. Nobs; S. Galen Smith 1948-9-3 487 Riverside Citrus grove, 2 miles north of Indio. Comment
  RSA655039  Eragrostis pectinacea Scott D. White 1999-7-9 7531 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA678263  Eragrostis pectinacea var. pectinacea Valerie L. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1064 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  UCR25238  Eragrostis pectinacea var. pectinacea Alfred R. Roos 1937-8-17 10610 Riverside San Jacinto Comment
  RSA748373  Eremalche exilis Justin M. Wood 2009-3-26 407 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR114144  Eremalche exilis B. G. Pitzer, J. Ross 1998-3-8 3605 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  JOTR31898  Eremalche rotundifolia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2147 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  UCR148462  Eremalche rotundifolia 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
  RSA557369  Eremocarpus setiger Julie Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  CAS-BOT-BC160063  Eremothera boothii subsp. condensata Roxana S. Ferris 1918-6-14 999 Riverside Near Gruendikes Well, Mecca - Blythe Road Comment
  SD125993  Eremothera refracta A. C. Sanders 1988-5-11 7798 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella canal in a wash east of the gasline road from Niland. 548 Comment
  UCR163084  Eriastrum B. G. Pitzer 2000-5-7 4138 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UC106845  Eriastrum densifolium subsp. austromontanum C. R. Orcutt 1896-7-24 7 Riverside Hammett Valley San Jacinto Mts. Comment
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Dec 20 2009
  RSA00105462  Eriastrum densifolium subsp. austromontanum C. W. Tilforth, Jeff Barnes 1976-8-21 1222 Riverside 0.5 miles north of Idyllwild 1524 Comment
  RSA0104867  Eriastrum densifolium subsp. austromontanum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA0105504  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-6-25 5820 Riverside San Jacinto Mts. Between Vandeventer and Hemet Valley. 1433 Comment
  RSA0105507  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1923-08 s.n. Riverside Tahquitz ridge near Tahquitz peak. San Jacinto Mountains 2439 Comment
  RSA0110548  Eriastrum densifolium subsp. elongatum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UCR227591  Eriastrum diffusum Duncan S. Bell, Joy England 2010-5-27 1124 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 0.8 air mi southeast of junction of Hwy 74 and Forest Service Road 5S15 768 Comment
  UCR199829  Eriastrum eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11280 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
  CAS-BOT-BC514472  Eriastrum eremicum subsp. eremicum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UCR245660  Eriastrum harwoodii Duncan S. Bell 2010-4-2 686 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; c. 2.5 air miles northwest of Priest Well; at the head of the main western drainage for the mountain range 559 Comment
  UC718494  Eriastrum sapphirinum P. C. Everett 1935-6-17 7166 Riverside trail to Santiago Peak 2 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Can. 609 Comment
  UCR137334  Eriastrum sapphirinum A. C. Sanders 2004-5-5 27763 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR193861  Eriastrum sapphirinum A. C. Sanders, Mitch Provance 2008-7-11 35769 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
  SEINET12320626  Eriastrum sapphirinum C. W. Tilforth, Wisura, W. 1979-1 1900 Riverside Garner Valley at Lake Hemet, Hwy 74 1326 Comment
  RSA0122952  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  POM350409  Ericameria cuneata var. spathulata Jack Rempel, Erwin H. Miller 1934-4-28 18726 Riverside Lost Horse 1296 Comment
  SEINET10757987  Ericameria laricifolia David B. Dunn 1947-10-9 Dunn 3531 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  UCR151123  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  CAS-BOT-BC131641  Ericameria parishii var. parishii Edmund C. Jaeger 1922-8-20 1004 Riverside Long Valley - Palm Springs trail, San Jacinto Mts. 1524 Comment
  UCD131579  Ericameria pinifolia A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mountains: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
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Dec 14 2016
  SDSU13523  Erigeron bonariensis W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UCR122520  Erigeron divergens George K. Helmkamp, E. A. Helmkamp 2001-5-20 6687 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCSB10378  Erigeron foliosus Haller, John 1950-5-20 Riverside Base of San Jacinto Mountains, Hemet, Idyllwild Road, opposite Cranston Ranger Station 609 Comment
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Apr 29 2011
  UCSB15235  Erigeron foliosus Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  CAS-BOT-BC296237  Erigeron foliosus var. foliosus Carl B. Wolf 1932-8-4 3918 Riverside Point View near Idyllwild, San Jacinto Mts. 1645 Comment
  UCR7884  Erigeron strigosus O. F. Clarke 1968-9-10 s.n. Riverside University of California, Riverside. Botanic Garden 412 Comment
  CLARK-A1528-4619  Eriochloa acuminata John C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  POM251759  Eriochloa acuminata A. R. Roos 1937-11-22 7 Riverside East washington Ave., Riverside. Comment
  CAS-BOT-BC189086  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, N slope Santa Rosa Mountains 1316 Comment
  LA205568  Eriodictyon crassifolium A. H. Lange; 1951-5-26 sn Riverside Palms to Pines Highway 152 Comment
  UCR277517  Eriodictyon crassifolium Mitch Provance 2012-9-13 912- 06 Riverside Badlands of Western Riverside County, about 0.2 miles S of Mt. Davis, +- 2 miles SSW of Beaumont 848 Comment
  RSA13797  Eriodictyon trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  JOTR32457  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2603 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
  SEINET6328737  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  RSA393469  Eriogonum davidsonii Donald Myrick 1969-10-20 2128 Riverside Along Hwy 74 east of Hemet. 1067 Comment
  RSA674658  Eriogonum davidsonii Scott D. White 2000-8-5 8118 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SBBG61985  Eriogonum deflexum R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR101592  Eriogonum deflexum Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR133946  Eriogonum elongatum John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  SD136785  Eriogonum elongatum var. elongatum Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7680 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, Ao mile upstream from top of Tenaja Falls 395 Comment
  UC537241  Eriogonum elongatum var. elongatum M. E. Jones 1933-12-29 Riverside Palm Springs Comment
  RSA190624  Eriogonum evanidum L. B. Ziegler 1967-10-10 s.n. Riverside Hemet Valley, San Jacinto Mountians.. 1402 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-BC250132  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  JEPS56973  Eriogonum fasciculatum var. polifolium J. Ewan 1930-4-17 2193 Riverside near mouth of Snow Canyon Snow Canyon 609 Comment
  LA206789  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA393344  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  SEINET3087525 Image available Eriogonum gracile H. S. Gentry 1954-7-26 14256 Riverside Dripping Spring along route 79 Comment
  UCR138593  Eriogonum gracile var. gracile D. L. Banks 1996-11-7 1217 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  CAS-BOT-BC257568  Eriogonum inflatum H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  RSA0107471  Eriogonum inflatum var. deflatum Duncan S. Bell, Amanda Turek 2009-3-29 153 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA548759  Eriogonum inflatum var. inflatum W. L. Halvorson 1977-2-15 77 -23 Riverside Junction of I-10 and road to Joshua Tree National Monument. Comment
  RSA0094199  Eriogonum maculatum Jim M. Andre 2012-4-11 20794 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  UC2062983  Eriogonum maculatum Anna Kostikova with Glen Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Santa Rosa Mountains, outcrop of carbonated rocks (limestones): Belvedere Road, turn from Highway 74 uphill towards white rocks. Comment
  CAS-BOT-BC269779  Eriogonum nudum var. pauciflorum Geo. B. Grant No date on label s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  POM162495  Eriogonum plumatella var. jaegeri E. C. Jaeger 1928-06 s.n. Riverside Cottonwood Springs, Mojave Desert. Comment
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Oct 9 2010
  JOTR34122  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2736 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA64581  Eriogonum reniforme F. W. Peirson 1928-4-24 7911 Riverside Cottonwood Springs, northern Colorado Desert Comment
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Oct 9 2010
  SEINET2444091  Eriogonum reniforme C. Davidson 2010-4-1 11643 Riverside Highway 168 to Joshua Tree National Park, ca 1 mile from 1-10. 515 Comment
  SBBG1630  Eriogonum thomasii H. and M. Dearing 1940-1-1 4067 Riverside near Mecca Comment
  UCR88122  Eriogonum thomasii A. C. Sanders, G. Nuhn 1995-4-20 16597 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
  UCR167306  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UC412837  Eriogonum trichopes Geo. B. Grant May 1 1906-May 10 1906 444 -6719 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  RSA420615  Eriogonum wrightii var. membranaceum Lester H. Cushman 1931-10 s.n. Riverside Mt. San Jacinto. 2134 Comment
  RSA423082  Eriogonum wrightii var. membranaceum N. R. Zabriskie, Walter Zabriskie 1969-11-22 240 Riverside South end Marion Ridge Rd., Pine Cove, Idyllwild, San Jacinto Mountains. 1829 Comment
  SD144440  Eriogonum wrightii var. nodosum A. C. Sanders, P. MacKay 1994-10-23 15845 Riverside San Bernardino Mountains; Whitewater River Canyon, between the trout hatchery & Bonnie Bell, ridge SW of hatchery 779 Comment
  UCR137173  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi N from I-10 671 Comment
  UCR82838  Eriogonum wrightii var. nodosum A. C. Sanders, P. J. MacKay 1994-10-23 15845 Riverside San Bernardino Mtns., Between the trout hatchery and Bonnie Bell 780 Comment
  RSA0121598  Eriophyllum ambiguum var. paleaceum Duncan S. Bell, LeRoy Gross 2016-3-29 9104 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  RSA472332  Eriophyllum ambiguum var. paleaceum M. B. Dunkle 1932-3-25 2912 Riverside Near Cathedral Canyon. Comment
  CAS-BOT-BC297356  Eriophyllum confertiflorum E. W. Lathrop 1960-5-6 4802 Riverside 10 miles W of Murrieta Comment
  POM11997  Eriophyllum confertiflorum Mary F. Spencer 1919-6-17 1277 Riverside San Jacinto Mts 549 Comment
  UCR101334  Eriophyllum confertiflorum A. C. Sanders 1997-4-10 20331 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR123824  Eriophyllum confertiflorum Steven R. Hill, A. C. Sanders 2001-5-4 33698 Riverside Peninsular Range, Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pina Colada 381 Comment
  UCSB6520  Eriophyllum confertiflorum Kamb, Peter 1947-6-7 Riverside Arid Transition Zone; Hall Canyon, San Jacinto Mts. 1645 Comment
  CDA29163  Eriophyllum confertiflorum Mike Lahti 2009-5-5 PDR# 1501682 Riverside 0 Comment
  LA203537  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-8-31 sn Riverside SANTA ANA MOUNTAINS, Indian Truck Trail. Comment
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Oct 7 2013
  UCR41313  Eriophyllum confertiflorum var. confertiflorum N. M. Fellows, A. C. Sanders 1985-5-7 173 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR103909  Eriophyllum multicaule B. G. Pitzer 1997-4-11 3110 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UC69060  Eriophyllum wallacei H. M. Hall 1905-5-1 6012 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  UCR87616  Eriophyllum wallacei A. C. Sanders 1994-5-29 14579 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA673541  Erodium botrys Scott D. White, Tasha LaDoux 2000-4-20 7675 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR155302  Erodium cicutarium A. C. Sanders 2005-5-4 29839 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR158513  Erodium moschatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30025 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
  RSA183396  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside 30 miles north of Ogilby, along road to Blythe. Comment
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Feb 21 2013
  UC1034736  Erysimum capitatum G. B. Rossbach 1955-4-22 584 Riverside Juniper Flat Little San Bernardino Mountains (n side of mts) 1432 Comment
  UC1034748  Erysimum capitatum G. B. Rossbach 1955-4-28 585 Riverside on Route 74 2 mi e Santa Rosa summit (nw end of mts); Santa Rosa Mts. 1502 Comment
  UCR120626  Erysimum capitatum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA33611  Erysimum capitatum var. capitatum N. C. Cooper 1944-7-16 1550 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  RSA0020246  Erythranthe floribunda Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  SD120077  Erythranthe parishii Louis B. Ziegler 1969-6-12 381 Riverside San Jacinto Mountains - Hemet Valley. In streambed, near Pine Meadows region 1431 Comment
  RSA0022973  Eschscholzia androuxii A. M. Alexander, Louise Kellogg 1941-5-12 2155 Riverside Along main road, alt 3000ft, 4 miles NE of cottonwood Spring, Eagle Mtns, Riverside County 915 Comment
  UC455321  Eschscholzia californica I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  HSC28464  Eschscholzia glyptosperma Richard Spjut 1973-4-6 3271 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  CAS-BOT-BC83135  Eschscholzia minutiflora G. B. Grant 6752 Riverside Palm Springs. Comment
  HSC83355  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 Riverside Mecca-Joshua Tree Rd., 7 mi. SW of junction with Hwy. 10 244 Comment
  RSA0046720  Eschscholzia minutiflora Jim Andre 2014-1-27 26652 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA191741  Eschscholzia minutiflora Robert F. Thorne 1963-3-29 32407 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA796324  Eschscholzia minutiflora Duncan S. Bell 2009-4-18 215 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
  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
  SEINET5340013  Eschscholzia minutiflora N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-21 6449 Riverside Blythe-Rice road, 17 airline miles north-northwest of Blythe. 259 Comment
  CAS-BOT-BC419651  Eschscholzia parishii Frank W. Peirson 1926-2-22 s.n. Riverside Thousand Palm Canyon near Indio Comment
  UC1060520  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring Comment
  UCR116809  Eschscholzia parishii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23939 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCSB18841  Eschscholzia parishii Perkins, Carlin 1963-5-5 Riverside State Highway 74; 5-7 miles SE of Pinyon Flats Campground 792 Comment
  UCSB3656  Eschscholzia parishii Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center; on highway 60 and 70 Comment
  CAS-BOT-BC419642  Eschscholzia parishii Edmund C. Jaeger 1922-3-4 s.n. Riverside Painted Canon [Canyon], Colorado Desert Comment
  RSA0022920  Eschscholzia parishii F. W. Peirson 1921-4-13 5324 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  RSA180274  Eucrypta chrysanthemifolia E. W. Lathrop 1965-5-18 5753 Riverside 8 miles W of Murrieta. 610 Comment
  RSA612610  Eucrypta chrysanthemifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1495 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
  SD241045  Eucrypta micrantha Dave Silverman, Onkar Singh 2010-3-27 7865 Riverside McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, W of A Canal/Levee Blvd, and ca. 7 km N of Blythe Airport. 135 Comment
  CHSC1157  Eulobus californicus M. Garbutt 1935-4-17 Riverside San Gorgonia Pass. Comment
  SDSU14100  Eulobus californicus Jonathan S. Austin, Michael G. Simpson 2002-4-20 16 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  CDA16951  Euonymus occidentalis var. parishii G. F. Hrusa 1993-6-25 11242 Riverside Rancho Cuyamaca State Park; along Fuller Mill Creek. Approx. 1/4 mi. upstream from bridge crossing of Hwy 243. Comment
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Feb 2 2013
  UCR151046  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR240765  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2070 Riverside Sonoran (Colorado) Desert, Midland Rd. due east of Midland 282 Comment
  CLARK-A1528-436  Euphorbia albomarginata Charlotte Stocks 1964-8-19 Riverside Rancho Mirage 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
  UCR134654  Euphorbia albomarginata Mitch Provance 1998-4-9 403 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR139628  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 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
  JOTR33803  Euphorbia eriantha La Doux, Tasha, B. Truesdell 2007-11-9 3301 Riverside Joshua Tree National Park. Eagle Mountains; along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  UCR101579  Euphorbia eriantha Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR199835  Euphorbia eriantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-6-14 11262 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains, western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 570 Comment
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Jun 20 2011
  SEINET4691939  Euphorbia micromera Duncan S. Bell 2012-1 4175 Riverside Rice Valley; east side of the Arica Mountians; approx 6 air miles southeast of the ghost town of Rice and Approx. 5.5 air miles east of Priests Well 202 Comment
  UCR264243  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR153353  Euphorbia polycarpa L. C. Wheeler 1946-6-19 6171 Riverside Sonoran (Colorado) Desert, 2 mi N of main highway [I-10/ Hwy 99] on road [Hwy 62] to 29 Palms Comment
  UCR239870  Euphorbia prostrata O. F. Clarke 2004-5-4 s.n. Riverside Riverside, UCR Campus 335 Comment
  UCR230600  Euphorbia serpens A. C. Sanders 2011-9-15 39897 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
  UCR202586  Euphorbia serpillifolia subsp. serpillifolia Scott D. White, Justin M. Wood 2008-7-8 12375 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCD142857  Euphorbia setiloba Lewis S. Rose 1967-12-19 67178 Riverside La Quinta. 15 Comment
  UCR74375  Euphorbia setiloba Theo Glenn 1991-5-2 91- 25 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SD122734  Euthamia occidentalis Patricia Wilder 1970-10-30 4841 Riverside East of Chino Hills, road on south side of Prado Flood Control Basin, east side of Prado Dam, ca. 0.5 miles east of Dam Tender's residence 149 Comment
  UC74007  Euthamia occidentalis F. M. Reed 1904-11-5 669 Riverside West Riverside on Evans Ranch above Chinese gardens Comment
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Jan 14 2010
  UCR277609  Fagonia laevis Aaron C. Sedgwick, Joella Adkins 2012-10-24 147 Riverside Sonoran (Colorado) Desert, Graham Pass Rd. in the Chuckwalla Mtns., c. 1 mile north of Graham Pass 421 Comment
  UCR75058  Fagonia laevis A. C. Sanders, E. J. Lawlor 1992-4-4 12086 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR91558  Fagonia laevis A. C. Sanders, A. Knapp, P. J. MacKay, L. Lubinsky, et al. 1995-2-12 15922 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of Fargo Canyon, Litthe San Bernardino mtns., 1.2 mi. above junction with Aqueduct Road. 367 Comment
  UCSB41347  Fagonia laevis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd 7 miles southwest of junction with Chuckwalla Rd. 457 Comment
  UCR41463  Fagonia pachyacantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6136 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCR99208  Fatoua villosa Steve Morgan 1990-11-30 s.n. Riverside Riverside, UCR Botanical Garden 366 Comment
  CLARK-A1528-4656  Festuca megalura John C. Roos, Lucille Roos 1950-4-15 4741 Riverside Pigeon Pass 457 Comment
  UCR18355  Festuca myuros George K. Helmkamp 1977-5-19 s.n. Riverside San Jacinto Mtns., Near Twins Pines Turnoff on Hwy 243, Valley [Hi Co.] Park area 1220 Comment
  SBBG119938  Ficus carica A. C. Sanders with O. F. Clarke 1991-6-10 11119 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  CAS-BOT-BC474730  Ficus microcarpa R. E. Riefner, Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway, ca 120 ft. W of Lincoln St., N side of Corona del Rey Apartments 210 Comment
  RSA543980  Filago californica Steve Boyd 1991-5-10 6212 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR44424  Filago californica A. C. Sanders, B. Pitzer 1986-4-30 6485 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  UCR51950  Filago depressa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2108 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UC22591  Forestiera pubescens H. M. Hall 1898-6-28 951 Riverside 25 mi s Palm Springs (Vandeventer's); San Jacinto Mountains 1371 Comment
  LA26729  Fouquieria splendens William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  UC1123366  Fraxinus dipetala R. St. John 1931-3-25 199 Riverside e of Sierra Peak; Corona Quad. 457 Comment
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Nov 27 2011
  UCR82764  Fraxinus velutina A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15778 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  UCR177658  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8869 Riverside San Bernardino Mtns., San Gorgonio Canyon, north of Banning 1128 Comment
  SD120485  Fremontodendron californicum Michael Curto 1987-1-25 352 Riverside San Jacinto Mountains, SE of Palm View peak, on W and NW slope of Little Desert Ridge, along Cedar Springs Trail, W of Pacific Crest Trail Junction 1951 Comment
  UCR76157  Fumaria parviflora John Wear 1993-1 s.n. Riverside Coachella Valley, near Mecca Hills 61 Comment
  RSA749903  Funastrum crispum Jordan Zylstra 2009-5-27 s.n. Riverside Pinyon Flat, north of Hwy 74, east of Pinyon Flat Campground 1220 Comment
  JOTR28930  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA0108817  Funastrum utahense Duncan S. Bell, Amanda Turek 2009-3-30 186 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SEINET12285252  Galium andrewsii Unknown 1936-1 12763 Riverside E of Banning Comment
  CAS-BOT-BC223034  Galium angustifolium A. C. Sanders; T. B. Salvato 2000-5-25 23396 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA544390  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1991-6-14 6404 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR107397  Galium angustifolium subsp. angustifolium B. G. Pitzer 1997-3-23 2955 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCSC001310  Galium angustifolium subsp. foliosum Peter Kamb 1947-7-1 553 Riverside Hall Canyon, San Jacinto Mts. 1463 Comment
  JOTR35476  Galium angustifolium subsp. gracillimum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 79 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  SBBG89043  Galium angustifolium subsp. gracillimum B. Pitzer, K. Kirtland 1986-5-20 227 Riverside E side of Butterfield Stage Rd, 1 mi S of Buck Mesa, Rancho California area, N side of Pauba Valley 457 Comment
  RSA706294  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1284 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JOTR33777  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2929 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  SD67921  Galium parishii Reid Moran 1968-8-3 15349 Riverside on rocky NE slope, ridge 1 mile NW of Toro Peak 2250 Comment
  UCR90389  Galium porrigens var. porrigens D. L. Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  RSA161086  Garrya veatchii Peter H. Raven 1958-5-18 12970 Riverside San Jacinto Mountains; Hemet Meadows. Comment
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Jun 9 2012
  RSA356629  Gastridium phleoides R. F. Thorne, Tilforth, DeBuhr, Lathrop 1975-8-29 47314 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA667135  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  UCR108935  Gayophytum diffusum subsp. parviflorum Scott D. White 1997-5-18 5171 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  POM358675  Geraea canescens N. C. Cooper 1949-4-9 3241 Riverside Mecca Pass E of Indio. 549 Comment
  UC88703  Geraea canescens S. B. and W. F. Parish 1882-4-1 Riverside Agua Caliente Comment
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Nov 24 2011
  RSA0112033  Gilia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16244 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. E side of Snow Cr. Rd., toward the north. 335 Comment
  RSA680565  Gilia Scott D. White, Michael Honer 2003-4-30 9130 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR193133  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35528 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR104040  Gilia angelensis George K. Helmkamp 1998-4-3 3083 Riverside Sonoran (Colorado) Desert, West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. north of Tamarack Rd on Cottonwood Rd. 1280 Comment
  UCR116010  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR251707  Gilia angelensis T. B. Salvato 2014-4-9 7832 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA470273  Gilia capitata subsp. abrotanifolia Albert J. Perkins 1916-04 s.n. Riverside Between Banning and Palm Springs Comment
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Aug 27 2011
  RSA618171  Gilia capitata subsp. abrotanifolia D. L. Banks 1997-5-5 2015 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA86579  Gilia clivorum Verne Grant 1954-4-16 19593 Riverside On flood plain of Temecula Creek just S. of town of Temecula. 305 Comment
  RSA469358  Gilia diegensis Gale Sphon 1955-5-22 s.n. Riverside Montane meadow, Hemet meadow. Comment
  SD7671  Gilia diegensis 1882-5-3 Riverside Temecula Comment
  CLARK-A1528-3509  Gilia latifolia John C. Roos 1949-3-5 4092 Riverside Orocopia Mountains Comment
  RSA0016240  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 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
  RSA0017290  Gilia ochroleuca subsp. exilis K. Watkins, E. McClintock 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  UCR178146  Gilia splendens T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 138 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  JOTR30655  Gilia stellata La Doux, Tasha, Jim Andre 2008-3-21 150 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA49181  Gilia stellata P. A. Munz 1949-4-13 13052 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UCR193739  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35653 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  CAS-BOT-BC174316  Glyceria declinata A. C. Sanders; S. Hawkins 1996-4-24 18088 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  POM15072  Gnaphalium chilense Mary F. Spencer 1922-4-10 1959 Riverside Palm Springs, alt 500ft, Riverside County 152 Comment
  RSA575909  Gnaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UC32013  Gnaphalium palustre H. M. Hall 1901-1-1 2666 Riverside San Jacinto Mountains Southern California, San Jacinto Mountains Comment
  UCR117334  Gnaphalium stramineum Mitch Provance 1998-6-11 665 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR195121  Gnaphalium stramineum A. C. Sanders, Tim Thomas 2008-8-1 35933 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR58500  Grindelia camporum Ed LaRue 1989-7-26 s.n. Riverside Santa Ana Mtns.; Santa Rosa Plateau, c. 0.5 mi south of Redonda Mesa, surrounded by El Cerezo Rd; Corona Cala Camino is the E boundary 762 Comment
  RSA271604  Guillenia lasiophylla Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6427 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  UC1922390  Guillenia lasiophylla Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR17935B  Guillenia lasiophylla A. C. Sanders 1976-4-20 00224 B Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  SBBG62672  Gutierrezia californica M. N. Ackley 1928-4-1 210 Riverside Snow Crk, Mt San Jacinto 518 Comment
  UCR92219  Gutierrezia californica D. L. Banks, Steve Boyd 1995-10-26 0828 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  UCR93820  Gutierrezia californica P. J. MacKay 1996-6-15 004 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  SEINET3859876  Haplopappus venetus A. C. Sanders, Donald L. Sanders 2010-11-28 38695 Riverside Peninsular Range; NW Gavilan Hills: Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave.; 0 232 Comment
  RSA0066614  Harpagonella palmeri D. L. Banks 1997-4-5 1680 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  RSA0066617  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR174338  Hedypnois cretica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32503 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR232068  Hedypnois cretica John F. Green 2008-4-24 13- 04 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  CLARK-A1528-2606  Helianthemum scoparium John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  UCSB9944  Helianthus petiolaris Ballard 1954-10-30 Riverside 3 miles south of Chino Men's Reform Institution 198 Comment
  RSA614684  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mts.: N slope of the Mts.; Azalea Creek ca. 0.5 mile SW of the Twin Pines Ranch buildings, at road crossing just outside the ranch fence. 1067 Comment
  CAS-BOT-BC140532  Hemizonia paniculata A. C. Sanders; T. B. Salvato 2003-5-21 26787 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. & SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA688835  Hemizonia paniculata Scott D. White, Michael Honer 2003-6-17 9553 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  SEINET1907213  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-1 6702 Riverside Granitie Knolls and Mesas of Riverside: South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR200999  Hemizonia paniculata Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 022 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  UCR274145  Hemizonia paniculata T. B. Salvato, Gregg Miller 2005-6-7 1429 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR153469  Hemizonia pungens subsp. laevis Chris E. True, Robert Cox 2005-5-19 s.n. Riverside Perris Basin, south of Lake Elsinore near Skylark Airport, off Corydon Rd. 381 Comment
  UCR23816  Hemizonia pungens subsp. laevis John C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  RSA0008431  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-6-20 2048 Riverside Perris Valley storm drain, 200 m E. of the Escondido freeway (215) and 350 m N. of Ellis Ave. 470 Comment
  JEPS22634  Hesperocallis undulata Rimo Bacigalupi with Roxana S. Ferris 1958-3-21 6256 Riverside 1.2 mi s of Rice (northeastern Riverside County) 228 Comment
  POM14597  Hesperocallis undulata Bradley 1922-4-10 6 Riverside Near Mecca. Comment
  SEINET3930662  Hesperocnide tenella David Keil 1983-4-15 16897 Riverside East of Temecula on SR79.; 0 Comment
  UCR97654  Hesperocnide tenella A. C. Sanders, G. Helmkamp 1997-3-15 19959 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  POM13121  Hesperolinon micranthum P. A. Munz, I. M. Johnston 1922-5-19 5336 Riverside 5 miles NE of Murrieta 518 Comment
  SDSU11463  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1.4, of northwest 1/4 of section 35. 390 Comment
  UCR151066  Heterotheca grandiflora Scott D. White 1998-6-17 6747 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UC1999891  Heterotheca sessiliflora subsp. echioides J. C. Semple, J. Chimielewski 1987-9-30 8983 Riverside Idyllwild, Rd. to Idyllwild School of Fine Arts and Music, 2.3 km NW of CA-243. Comment
  UCR92775  Heterotheca sessiliflora subsp. fastigiata F. M. Reed 1933-9-20 8083 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  UCR260190  Heuchera rubescens Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4990 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  RSA0123368  Hibiscus denudatus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9036 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
  RSA432774  Hibiscus denudatus Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] 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
  SD259940  Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley: east side of Arica Muntains, along Rice-Midland Rd., 2.2 mi. south of Rice (Hwy 62). Rice 7.5'Q 242 Comment
  SEINET3011912 Image available Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado ) Desert; Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder 7.5' Q.). 130 Comment
  SDSU2616  Hirschfeldia incana Charles F. Phleger 1962-5-23 Riverside About 25 miles north of Escondido. Comment
  RSA86996  Hoffmannseggia glauca Margaret Stason 1932-03 249 Riverside Roadside near Blythe, eastern Riverside County. Comment
  LA45812  Hoffmannseggia microphylla Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  OBI30229  Hoffmannseggia microphylla Marie Cichra 1976-4-25 101 Riverside Box Cyn, on Box Cyn Rd between I-10 and Mecca 274 Comment
  SD146275  Hoffmannseggia microphylla A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23369 Riverside Coachella Valley, east side of Coachella Canal between I-10 & Ave. 52, east of Coachella (Thermal Casnyon 7.5' Q.); low area where water accumulates above the canal berm 24 Comment
  HSC82999  Hoita macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village 488 Comment
  SDSU13837  Hoita macrostachya W. Miller Riverside Comment
  RSA652938  Holcus lanatus Mitch Provance 2000-6-24 2051 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  RSA87061  Hordeum brachyantherum F. W. Peirson 1922-5-18 4336 Riverside Temescal Canyon 320 Comment
  SD232146  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside San Jacinto mountains, Johnson Meadow Comment
  RSA85086  Hordeum intercedens J. C. Roos 1952-4-23 5571 Riverside 1 miles southeast of Perris 427 Comment
  SEINET3386506 Image available Hordeum intercedens Mitch Provance 2005-5-17 6554 Riverside Warm Springs Valley; Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 396 Comment
  UCR154540  Hordeum marinum Jason L. Hlebakos 2005-5-18 709 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  RSA747514  Hordeum murinum Justin M. Wood 2009-3-10 348 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  UC114266  Horkelia clevelandii A. W. Anthony 1895-7-1 Riverside San Jacinto Mts. Comment
  UCR82766  Horkelia clevelandii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15782 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC201089  Hosackia crassifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  UC32855  Hulsea vestita subsp. callicarpha W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Sunset Hill; San Jacinto Mt. 1554 Comment
  UC32857  Hulsea vestita subsp. callicarpha H. M. Hall 1901-8-8 2682 Riverside vicinity of Chalk Hill 1645 Comment
  POM361079  Hymenoclea salsola P. J. Remple 1942-3-1 s.n. Riverside Near Palm Springs. Comment
  RSA650972  Hymenoclea salsola D. Geisinger, E. Baldwin 1959-3-23 s.n. Riverside Palm Springs. Comment
  UCR110984  Hymenopappus filifolius var. lugens George K. Helmkamp 1998-6-27 4122 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR195117  Hypericum formosum A. C. Sanders, Tim Thomas 2008-8-1 35946 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  JOTR32428  Hyptis emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  LA61585  Hyptis emoryi Carl Epling; 1935-3-23 sn Riverside Painted Canyon, near Mecca Comment
  POM294817  Hyptis emoryi Lyman Benson 1945-11-11 11963 Riverside Palm Springs. -30 Comment
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Apr 25 2011
  RSA733981  Hyptis emoryi Keith E. Hoffmaster 1933-4-13 427 Riverside Palm Springs. Comment
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Aug 27 2011
  UCR137684  Hyptis emoryi G. A. Reese, S. Kaime 1998-4-6 4719 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  UCSB5693  Hyptis emoryi Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  SEINET10836949  Hyptis emoryi David B. Dunn 1948-1-25 Dunn 3633 Riverside Found near quad 6 on the berkeley campus. Pushawalla canyon, indio hills of the colorado desert; w of indio Comment
  RSA582046  Imperata brevifolia L. C. Wheeler 1933-12-2 2318 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  RSA775089  Isocoma acradenia var. eremophila Duncan S. Bell, Amber Swanson 2011-2-18 2041 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
  CDA29880  Isocoma menziesii Mike Lahti 2009-10-22 PDR# 1501843 Riverside On banks of Temecula Creek near downtown Temecula. 0 Comment
  RSA605788  Isocoma menziesii Scott D. White 1995-12-30 3802 Riverside Perris-Aguanga Basin region: Perris Basin, SW of Perris, above S bank of San Jacinto River. 441 Comment
  RSA736726  Isocoma menziesii Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10667 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
  UCR245799  Isocoma menziesii A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40961 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  RSA199006  Isoetes orcuttii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37419 Riverside Santa Ana Mountains, Rancho California, Santa Rosa Plateau 609 Comment
  RSA697316  Isomeris arborea Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  RSA552691  Jepsonia parryi Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6699 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UCR116921  Juncus bufonius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24223 A Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR158259  Juncus bufonius var. congestus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30104 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
  UCR151038  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA740716  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-7-8 12381 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR14556  Juncus mexicanus A. C. Sanders 1974-5-12 00674 Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1067 Comment
  UCR59672  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3551 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  CAS-BOT-BC168229  Juniperus californica Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9003 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  RSA717678  Juniperus californica A. C. Sanders 2004-5-5 27773 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
  SD229039  Juniperus californica Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 890 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  JOTR32321  Justicia californica 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
  POM229522  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  SFV3426  Keckiella antirrhinoides D. Whisler 1959-5-10 Riverside San Jacinto Mountains North scarp. 610 Comment
  UCR167829  Keckiella antirrhinoides T. B. Salvato, Melissa Clemons 2005-6-2 1333 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA182227  Keckiella antirrhinoides subsp. microphylla James Henrickson 1965-6-8 1999 Riverside In Joshua Tree Nat. Monument, 3/4 mi. NW of Hidden Valley 1280 Comment
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Jun 2 2013
  RSA6133  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-5-3 4987 Riverside 8 mi. up on the Palms to Pine Highway, San Jacinto Mts. Upper Sonoran. 1220 Comment
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Oct 30 2011
  NY786549  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1996-5-2 931 -A Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the southeast of the gate to the Preserve. 448.1 Comment
  CAS-BOT-BC235775  Keckiella cordifolia J. T. Howell 1928-7-8 1055 Riverside Santa Ana Mts. above Glen Ivy 1066 Comment
  RSA697696  Koeleria macrantha J. Russell Bruff 1934-6-19 557 Riverside Idyllwild Comment
  UC38717  Koeleria macrantha H. M. Hall 1901-6 2376 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  UCD86080  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mts., Banning Road west of Idyllwild. 1676 Comment
  CAS-BOT-BC43706  Krameria erecta Annie M. Alexander; Louise Kellogg 1941-5-11 2150 Riverside Cottonwood Spring, Eagle Mountains 883 Comment
  JOTR32317  Krameria grayi 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
  RSA0119996  Krameria grayi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9087 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UC64185  Krameria grayi H. M. Hall May 17 1901-Jun 1 1901 1877 Riverside near Palm Canyon; near Palm Canyon 914 Comment
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Apr 11 2011
  UCR21851  Lactuca serriola Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  SEINET10759239  Lactuca serriola David B. Dunn, A. Folsom 1948-6-17 Dunn 3796 Riverside At quad 1. At camp in Pushawalla Canyon under palms. Indio Hills, Colorado Desert. Comment
  UCR83330  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UC963824  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside ca. 2.5 mi. beyond Mission Well (near Meek Mine); Mohave Desert, Pinto Mts. 579 Comment
  SD247522  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Deert; north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Moutains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  SEINET2065363 Image available Larrea tridentata C. Francis Shutts 1949-3-28 119 Riverside Palms to Pine Hwy, Cal 74, 14 miles SE of Palm Springs, Salton Sea drainage 152 Comment
  UC1324900  Larrea tridentata H. U. Stauffer and R. F. Thorne 1964-5-5 5923 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UCD98953  Lastarriaea coriacea B. Pitzer 1997-3-23 2979 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 609 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  CAS-BOT-BC352720  Lasthenia coronaria Geo. B. Grant 1908-3-15 s.n. Riverside Palms to Pines Road, San Jacinto Mountains 1219 Comment
  RSA586113  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-4-5 0153 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 503 Comment
  RSA586002  Lasthenia gracilis Adree M. Desrochers 1989-4-14 438 Riverside Near Lake Matthews, Riverside County, along Cajolco Road, on hills on the N side of road, 5.3 km E of intersection Hwy 15 and Cajalco Road Comment
  SD244084  Lasthenia gracilis T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7450 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  UC218251  Lasthenia gracilis P. A. Munz and I. M. Johnston 1922-3-20 5452 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1371 Comment
  UC62984  Lasthenia gracilis H. M. Hall 1902-4-18 2888 Riverside Coahuila mesa Coahuila Comment
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Jun 21 2011
  SDSU12885  Lathyrus vestitus var. alefeldii J. Jill Steinberg with Janet Knotts 1998-4-22 48 Riverside On south side of foot trail, approximately 60 feet east of stream at top of gully, about 1/2 mile northwest of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 354 Comment
  UC85246  Lathyrus vestitus var. alefeldii D. Cleveland 1882-5-4 Riverside Temecula Comment
  SBBG101710  Layia glandulosa S. Boyd, T. Ross, M. Hammitt 1991-5-2 6073 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC63258  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  JOTR00916  Layia glandulosa Sipe, Frank 1958-3-5 257 Riverside Joshua Tree National Park. SQUAW TANK AREA, GEO TOUR Comment
  PASA2318  Layia platyglossa Frank W. Peirson 1919-4-15 Riverside Whitewater Grade near Cabazon 548 Comment
  RSA673510  Layia platyglossa Scott D. White, Bill La Haye 2000-5-27 7954 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CAS-BOT-BC379632  Layia platyglossa H. M. Hall 1901-6-1 2023 Riverside San Jacinto Mountains, Southern California 1371 Comment
  RSA0045153  Layia platyglossa Andrew Haimov, April Sleigh 1992-4-14 75 Riverside 25 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road, north of Jacinto River. Comment
  CLARK-A1528-260  Layia platyglossa subsp. campestris Roberta H. Smith 1969-5-4 24 Riverside Lake Matthews 435 Comment
  POM4845  Layia platyglossa subsp. campestris H. M. Hall 1902-4-22 2951 Riverside Vicinity of Riverside County. 305 Comment
  RSA34596  Layia platyglossa subsp. campestris N. C. Cooper 1944-4-22 1160 Riverside Banning 732 Comment
  UCR271692  Lemna Mitch Provance 2011-7-4 17175 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  CAS-BOT-BC88684  Lepidium acutidens John Thomas Howell 1930-5-10 4783 Riverside 1 mile south of Perris. Comment
  UCR76177  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-5 13684 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
  UCR79366  Lepidium dictyotum var. dictyotum Steve Boyd, T. S. Ross 1992-4-1 6773 Riverside Peninsular Range, Temecal Canyon, terrace escarpments betwee Indian and Horsethief Washes along DePalma Road. 412 Comment
  RSA429907  Lepidium fremontii E. C. Jaeger 1922-3-2 s.n. Riverside 29 Palms Comment
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May 28 2011
  SD247378  Lepidium fremontii Andy Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range. 722 Comment
  RSA718298  Lepidium lasiocarpum Michael Honer, L. Hulse 2004-4-2 1879 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  RSA642807  Lepidium lasiocarpum var. lasiocarpum R. F. Thorne 1963-3-29 32422 Riverside 9 miles E of Mecca, Mecca Hills 152 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-BC89754  Lepidium latipes A. C. Sanders; K. C. Rose 1998-5-21 21865 Riverside Hemet. Flats west of town, east of the canal, south of Highway 74 (Florida) and ca. 0.25 mile west of Warren Road. 457 Comment
  UCR267166  Lepidium latipes D. E. Bramlet 2001-5-8 3136 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of Davis Rd. and south of headquarters 436 Comment
  UCR111604  Lepidium nitidum Mitch Provance, J. Ross 1999-4-1 1733 Riverside Jurupa Mountains, Pediment of the extreme W end of the range, on the E side of Country Village Road. 250 Comment
  UCR60544  Lepidium nitidum K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 898 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  CAS-BOT-BC13021  Lepidium virginicum Lewis S. Rose 1957-1-3 57004 Riverside La Quinta. 15 Comment
  UC10652  Lepidium virginicum var. pubescens H. M. Hall 1900-1 Riverside Strawberry Valley San Jacinto Mountains Comment
  UCR102208  Lepidium virginicum var. pubescens A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20691 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR154740  Lepidium virginicum var. pubescens T. B. Salvato, Kent Beaman 2005-5-16 775 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
  RSA679066  Lepidium virginicum var. robinsonii Scott D. White 2001-4-13 8320 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  CAS-BOT-BC328100  Lepidospartum squamatum Marian L. Campbell 1921-3-20 28 Riverside Palm Springs Comment
  CLARK-A1528-2173  Lepidospartum squamatum Charles S. Papp 1962-12-9 235 Riverside Sycamore Canyon Comment
  JEPS5749  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  CAS-BOT-BC274376  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  UCR211699  Leptochloa uninervia Fred M. Roberts, Michelle Balk 2006-8-24 6405 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  CLARK-A1528-3534  Leptodactylon pungens 1937-7-16 2649 Riverside Little San Bernardino Mountains 1523 Comment
  UC106728  Leptodactylon pungens A. W. Anthony July 12, 1895 - July 17, 1895 Riverside San Jacinto Mts. 2590 Comment
  UC455471  Leptodactylon pungens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA500557  Leptosiphon lemmonii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3602 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA574750  Leptosiphon liniflorus Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, southeastern flank of Estelle Mountain. 671 Comment
  SD126107  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon; terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA586327  Leptosiphon parviflorus D. L. Banks, S. D. Boyd 1995-5-3 0192 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
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR3716  Lessingia filaginifolia Frank C. Vasek 1964-7-25 640725- 22 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  POM10235  Lessingia glandulifera var. glandulifera Charlotte M. Wilder 1904-7-6 272 Riverside Wilder's Canon. Jurupa Hills. Comment
  UCR177419  Lessingia glandulifera var. glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains, Pine Cove area, Dutch Flat 1753 Comment
  SEINET11810766  Lessingia glandulifera var. glandulifera Unknown 1960-1 583 Riverside 4.7 mi E of Anza on road to Santa Rosa Summit 1372 Comment
  UC38246  Leymus triticoides H. M. Hall June, 1901 2122 Riverside along borders of Colorado Desert San Jacinto Mountains (e base of mts.) Comment
  RSA632469  Ligustrum Scott D. White 1998-6-17 6753 -A Riverside Along Gavilan Rd. or Santa Rosa Mine Rd., ca. 7 miles survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 488 Comment
  UC454443  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR250204  Limonium sinuatum A. C. Sanders 2014-4-23 41057 Riverside Peninsular Range, Temescal Valley at intersection of Concordia Ranch Rd. and Temescal Canyon Rd., near I-15 364 Comment
  UCR1211  Linanthus androsaceus Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns., 0.25 west of Tenaja Rd., 12.6 miles from junction with Washington Ave., Murrieta Comment
  UCR21922  Linanthus androsaceus Steve Boyd 1980-4-8 105 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR49263  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA525462  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, D. E. Bramlet 1990-4-29 4508 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA586149  Linanthus dianthiflorus subsp. dianthiflorus D. L. Banks, S. D. Boyd 1995-3-16 0111 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 548 Comment
  UCR54447  Linanthus floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  RSA778239  Linanthus jonesii Duncan S. Bell 2009-3-8 44 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR228171  Linanthus jonesii Dave Silverman, Onkar Singh 2010-3-25 7842 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 3.2 km E of Black Creek Rd, 3.8 km W of McCoy Wash, and 7.8 km N of I-10 139 Comment
  UCR249505  Linanthus jonesii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7287 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  SEINET7072844  Linanthus lemmonii A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR177640  Linanthus lemmonii S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  RSA657236  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12333 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  UC52468  Linanthus parviflorus H. M. Hall 1898-4-14 Riverside Elsinore Mts. Comment
  UCR133690  Linaria canadensis 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
  UCSB3559  Linum lewisii Zellhoefer, Judi 1960-5-15 Riverside Highway 74, 25.2 miles SE of Idyllwild Comment
  RSA731074  Lithophragma affine subsp. mixtum Steve Boyd, Aydee Virgen 2004-4-13 10881 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CSUSB534  Lobularia maritima Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  CSUSB536  Lobularia maritima H. C. Sharma 1976-4-26 760426 3 Riverside Washington Street, about 3 miles south of Washington Street on the side of Mocking Bird Canyon 335 Comment
  UCR116857  Lobularia maritima A. C. Sanders, Steven R. Hill 2001-5-4 24136 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
  POM96061  Loeseliastrum schottii M. French Gilman 1926-5-9 A- 16 Riverside Colorado Desert. Morogo Wash. Comment
  UC68769  Loeseliastrum schottii H. M. Hall Apr., 1905 5800 Riverside 10 mi. w. Coachella; Colorado Desert 91 Comment
  UCSB18438  Loeseliastrum schottii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.6 miles east of Desert Center 243 Comment
  RSA0121170  Logfia arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9180 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UC1537024  Logfia filaginoides Gordon H. True Jr. 1935-4-10 224 Riverside Box Springs Box Springs Canyon, Box Springs 365 Comment
  RSA575975  Lolium perenne Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau 610 Comment
  SEINET271858 Image available Lolium perenne subsp. multiflorum A. C. Sanders, KD Jones; D. Malueg 1996-4-20 18055 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats on the east side of the river ch 433 Comment
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  RSA552754  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6740 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  POM15040  Lomatium lucidum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb Canyon Pass, Banning. Comment
  RSA0120234  Lomatium mohavense Duncan S. Bell, Thomas Stoughton 2016-4-14 9284 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UCR244402  Lomatium mohavense Jim Andre 2012-4-16 20984 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UC1375401  Lomatium utriculatum Louis B. Ziegler 1969-5-7 Riverside Hemet Valley near Kenworthy Ranger Station San Jacinto Mountains 1447 Comment
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Mar 25 2011
  RSA655088  Lomatium vaginatum Scott D. White 2000-4-17 7656 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  SBBG95112  Lonicera interrupta S. D. White 1990-7-10 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  UCR120924  Lonicera interrupta A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24924 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR172790  Lonicera subspicata Wayne Law, Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  CAS-BOT-BC234894  Lonicera subspicata var. denudata Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  UCR87651  Lotus argophyllus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA406727  Lotus argophyllus var. argophyllus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UC62935  Lotus argophyllus var. argophyllus H. M. Hall May 1899 Riverside Kenworthy 1310 Comment
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Mar 25 2011
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
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Dec 22 2018
  POM47796  Lotus heermannii Mary F. Spencer 1918-4-4 744 Riverside Palm Springs. Comment
  RSA717625  Lotus heermannii Scott D. White 2006-4-27 11284 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  JOTR29600  Lotus heermannii var. heermannii Andre, Jim 2006-4-26 6757 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR169469  Lotus humistratus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR106348  Lotus oblongifolius John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  JEPS64886  Lotus rigidus Marjorie D. Clary 1932-2-10 1193 Riverside 15 mi se Coachella; Martinez Canyon 365 Comment
  JOTR30145  Lotus rigidus La Doux, Tasha 2008-2-4 1710 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA303528  Lotus rigidus J. R. Shevock 1971-5-8 1043 Riverside Near Skull Rock; Joshua Tree National Mon. 1372 Comment
  RSA406794  Lotus rigidus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UC186780  Lotus rigidus S. B. and W. F. Parish Apr 1884 14 Riverside Agua Caliente, borders of Colorado Desert Colorado Desert Comment
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Mar 11 2008
  UC864868  Lotus rigidus S. B. Parish 1917-4-4 Riverside Palm Canyon Colorado desert Comment
  UCR275359  Lotus scoparius var. brevialatus T. B. Salvato, Melissa Clemons 2005-6-9 1502 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA510029  Lotus scoparius var. scoparius B. Pitzer, E. Misquez 1988-2-28 624 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA67307  Lotus strigosus G. R. Campbell 1951-4-22 16002 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  UCR103565  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR262571  Lotus strigosus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3750 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  POM9574  Lotus strigosus P. A. Munz 1920-2-28 3259 Riverside 3 miles west of Corona. 335 Comment
  RSA92460  Lotus strigosus J. C. Roos, L. Roos 1954-5-15 6120 Riverside Summit of Reche Canyon 732 Comment
  SEINET7042771  Lotus strigosus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  UCR35029  Lotus strigosus var. hirtellus L. B. Ziegler 1968-4-30 279 Riverside Peninsular Ranges, San Jacinto Mountains, Hemet (= Garner) Valley, at Thomas Subdivision. 1402 Comment
  RSA406407  Lotus strigosus var. tomentellus Gale Sphon 1955-5-21 s.n. Riverside 5 miles north of Lake Fulmore Comment
  HSC14766  Lupinus albifrons C. L. Hitchcock, C. V. Muhlick 1964-3-17 23099 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  POM12734  Lupinus arizonicus P. A. Munz, D. D. Keck 4901 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. alt 1500ft. 457 Comment
  RSA550280  Lupinus arizonicus Walter Wisura, John Dolan, Michael Wall 1992-3-24 4616 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA654057  Lupinus arizonicus R. Spellenberg, N. Zucker 2000-3-28 13048 Riverside E side of Thermal, ca. 1 km E of Calif. Hwy. 111, ca. 5 air km NW of Mecca 30 Comment
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Feb 3 2011
  UCR279592  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-28 43159 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
  UCR89579  Lupinus arizonicus George K. Helmkamp 1994-3-8 41 14 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  POM350005  Lupinus bicolor Ora M. Clark 1929-2-23 1526 Riverside South of Cabazon Comment
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Mar 13 2011
  RSA691056  Lupinus bicolor Scott D. White, Michael Honer 2003-4-9 8989 Riverside Gavilan Hills: 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
  UCR120808  Lupinus bicolor Ian G. Gillespie 2000-4-19 7 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR158143  Lupinus bicolor A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30084 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
  UCR23267  Lupinus bicolor J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR263  Lupinus bicolor Eugene Cardiff, Ken Smith 1954-5-17 s.n. Riverside Peninsular Range, Pigeon Pass, Box Springs Mountains, east of Riverside 610 Comment
  UCR84985  Lupinus bicolor A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16227 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  OBI83278  Lupinus bicolor Rhonda Riggins 1985-5-27 1515 Riverside Santa Rosa Plateau. Common on grassy slopes in open oak woodlands N side of Mesa de Colorado Comment
  POM350066  Lupinus bicolor subsp. microphyllus N. C. Cooper 1945-5-24 1622 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR60918  Lupinus concinnus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3166 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA87055  Lupinus densiflorus var. lacteus F. W. Peirson 1922-4-29 4224 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  SBBG94915  Lupinus excubitus E. LaRue 1990-4-10 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of Pechanga Indian Reservation 365 Comment
  CAS-BOT-BC216687  Lupinus excubitus subsp. hallii Elizabeth McClintock 1965-6-25 s.n. Riverside A short distance below the summit, Santa Rosa Mountain Comment
  RSA0122713  Lupinus excubitus var. excubitus Duncan S. Bell, LeRoy Gross 2016-3-30 9151 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  POM2500  Lupinus excubitus var. hallii I. M. Johnston 1918-5-30 1996 Riverside Temescal Canyon 366 Comment
  RSA413640  Lupinus formosus var. bridgesii M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UCR260873  Lupinus hirsutissimus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41507 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  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
  UCR94943  Lupinus hyacinthinus Scott D. White 1996-8-16 4481 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  LA205135  Lupinus latifolius var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  LA205141  Lupinus latifolius var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  GMDRC2053  Lupinus sparsiflorus J. Andre 2006-4-26 6774 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  JOTR32123  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2280 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
  UCR87665  Lupinus sparsiflorus A. C. Sanders 1994-5-29 14562 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA500220  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3523 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 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
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA701346  Lupinus truncatus Michael Wall, Susan G Jett, Perez, Garcia 1994-6-1 60 Riverside S of Hemet, 0.2 mi W of Benjie Lane off Hwy R-3. Associated plants include Salvia apiana, Adenostema fasciculatum, annuals, and exotic grasses. 168 Comment
  RSA422100  Lycium andersonii N. R. Zabriskie, W. M. Zabriskie 1971-2-15 344 Riverside C. 30' up east-facing slope in 'North Canyon' Andreas Canyon watershed. 366 Comment
  UC495290  Lycium cooperi C. L. Hitchcock 1932-4-8 12217 Riverside 1 mi w Cottonwood Comment
  JOTR36472  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA272171  Lycium torreyi John F. Emmel 1975-10-5 538 Riverside 3/4 air mi. NNE of intersection of 4th Ave. and Lovekin Blvd., N. edge of Blythe. 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
  UCR222294  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55215 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  SEINET10809133  Machaeranthera David B. Dunn, Howard Brown 1947-1-12 Dunn 2836 Riverside Pushawala Canyon, Indio Hills. Along alkali banks. Comment
  POM17576  Machaeranthera asteroides H. Baer 1923-9-30 s.n. Riverside Hemet Comment
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Nov 17 2011
  RSA737262  Machaeranthera asteroides var. asteroides Scott D. White, Justin M. Wood 2008-9-17 12540 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 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
  RSA526489  Madia gracilis Steve Boyd, Timothy S. Ross 1990-5-11 4686 A 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
  RSA500088  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3224 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UC284860  Malacothamnus densiflorus P. A. Munz 1923-6-14 7099 Riverside trail to Santiago Peak Glen Ivy; Santa Ana Mtns 914 Comment
  UCR261217  Malacothamnus densiflorus A. C. Sanders, Jeff Crain 2015-5-20 41741 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  RSA0087585  Malacothamnus fasciculatus Louis C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 549 Comment
  RSA0120237  Malacothamnus fasciculatus subsp. fasciculatus Duncan S. Bell 2016-4-14 9280 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UC303548  Malacothamnus fasciculatus var. fasciculatus I. M. Johnston 1918-5-30 2024 Riverside Temescal Canyon 335 Comment
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
Read comments
Mar 13 2011
  CAS-BOT-BC347688  Malacothrix glabrata LeRoy Abrams 1903-4-6 3213 Riverside Cabazon Comment
  POM6609  Malacothrix glabrata P. A. Munz, L. T. Street, Williams 1919-3-28 2370 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA777286  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4544 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC68991  Malacothrix glabrata H. M. Hall June, 1905 6237 Riverside vicinity Riverside 304 Comment
  UCR279412  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-25 43006 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
  UCR279505  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-27 43107 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
  UCR41399  Malacothrix glabrata N. M. Fellows, A. C. Sanders 1985-5-7 165 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CAS-BOT-BC347891  Malacothrix saxatilis var. tenuifolia H. M. Hall 1901-6-1 2011 Riverside San Jacinto Mountains. Canyon of the San Jacinto River 609 Comment
  SEINET2053783 Image available Malacothrix saxatilis var. tenuifolia J. Nevin 1987-4-4 40 Riverside Market St. and Goodyear Ave, Ventura, 2 miles frolm caost. 0 Comment
  RSA94960  Malacothrix stebbinsii F. W. Peirson 1921-3-22 2715 Riverside Murray Canyon, south side in canyon 457 Comment
  UCR261204  Malosma laurina A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41729 Riverside Temesal Canyon, hilltop above DePalma Rd., about mid way between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  RSA557349  Malvella leprosa Julie Greene 1993-5-12 1298 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  SD146224  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Road, 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR88294  Mammillaria tetrancistra A. C. Sanders, K. C. Rose 1995-4-5 16378 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR113207  Marah macrocarpa A. C. Sanders 1998-3-11 21657 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
  JOTR28791  Marina parryi La Doux, Tasha 2005-3-30 1060 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SBBG45489  Marina parryi Leota Davidson 1966-4-3 317 Riverside Interstate 10 at Wiley Well turnoff, 30 mi E of Desert Center Comment
  UCR90323  Marina parryi Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  UCR16898  Matricaria matricarioides J. N. Bullock 1970-5-16 P 25 Riverside Peninsular Range, On the E shoulder of California State Hwy 71 (the surface street) 0.2 m north of the Dawson Canyon turn off 268 Comment
  UCR97697  Matricaria matricarioides A. C. Sanders, G. Helmkamp 1997-3-15 19971 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA543842  Meconella denticulata Steve Boyd, Orlando Mistretta 1991-5-22 6303 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA585793  Meconella denticulata D. L. Banks, S. D. Boyd 1995-5-9 420 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
  RSA554281  Medicago polymorpha Scott D. White 1992-2-25 92 -6 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
  POM348040  Medicago polymorpha Ora M. Clark 1929-3-2 1633 Riverside Near Elsinore. Comment
  CSUSB1094  Medicago sativa Shirley Hill 1963-3-31 630331 2 Riverside Corner of 8th and Lincoln in Banning. 100 feet from road. Comment
  RSA512168  Melia azedarach Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  CLARK-A1528-4725  Melica frutescens John C. Roos 1937-4-18 1360 Riverside San Jacinto Mountains Comment
  UC1922736  Melica frutescens R. E. Riefner Jr. 2006-8-2 06 -350 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW ca. 0.75 mi from Leon Rd. Comment
  CAS-BOT-BC281602  Melica imperfecta W. A. Silveus 1938-4-16 2646 Riverside Near Elsinore Comment
  POM431212  Melica imperfecta J. C. Roos 1950-4-22 4754 Riverside Summit of Reche Canyon, 0.5 mile NE of summit Comment
  SEINET191891 Image available Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 miles northwest of Elsinore 457 Comment
  UCR194818  Melinis repens Scott D. White, Justin Wood 2007-4-16 11652 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  UCR114318  Mentha Mitch Provance 1998-3-21 271 B Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  RSA601164  Mentha spicata Scott D. White 1996-8-15 4477 Riverside Strawberry Creek at Hwy 74 bridge. 884 Comment
  UCR279589  Mentzelia A. C. Sanders, Jim Malusa 2017-3-28 43150 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  JEPS41159  Mentzelia affinis W. L. Jepson May 17 1901-Jun 1 1901 1234 Riverside Riverside, Santa Rosa Peak and Palomar Comment
  UCR109001  Mentzelia affinis D. L. Banks, V. W. Steinmann 1997-4-13 1472 Riverside NW Palomar Mtns., Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79. Hills east of the Dripping Springs alcove and west of Vail Lake Marina Road. 549 Comment
  RSA0060678  Mentzelia affinis Dave Silverman, Onkar Singh 2010-3-25 7846 Riverside 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
  UCR18120  Mentzelia albicaulis A. C. Sanders 1978-4-2 00413 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  POM15052  Mentzelia dispersa Mary F. Spencer 1922-6-26 1233 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  RSA0121883  Mentzelia dispersa Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2242 Riverside Santa Rosa Mountains Comment
  JOTR32038  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2268 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  UCR216680  Mentzelia involucrata Jim Andre, T. La Doux 2009-3-10 11241 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR51970  Mentzelia involucrata Steve Boyd, S. Meury , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2139 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  POM14554  Mentzelia involucrata var. megalantha J. Clemens 1922-4-10 s.n. Riverside Mecca. Comment
  SFV5018  Mentzelia involucrata var. megalantha F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  UC162622  Mentzelia micrantha H. M. Hall 1899-6-1 1219 Riverside Temecula Creek Comment
  UCR22118  Mentzelia montana Steve Boyd 1980-5-15 279 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  SBBG4879  Mentzelia nitens H. and M. Dearing 1949-4-16 6749 Riverside Cottonwood Spring Comment
  SBBG4859  Mentzelia veatchiana C. H. Muller 1952-4-6 9500 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree National Monument Comment
  UCR48524  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  RSA601791  Mesembryanthemum nodiflorum D. E. Bramlet 1997-3-15 2502 Riverside Nicholas Road Wetlands. The site is located approximately 183m southeast of Nicolas Road, 91m west of Collier Ave. and 196 m. west of the I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to alberhill Creek. 116 Comment
  UCR112851  Microseris douglasii subsp. douglasii A. C. Sanders 1997-5-1 20628 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA543862  Microseris lindleyi Steve Boyd 1991-5-13 6252 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  UCR104920  Microseris lindleyi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20652 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
  UCR172232  Microseris lindleyi John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR137478  Mimulus aurantiacus D. L. Banks 1997-3-16 1532 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UC1329893  Mimulus aurantiacus var. pubescens James E. Cole 1941-5-2 672 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  RSA0056603  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA343880  Mimulus aurantiacus var. puniceus Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60663 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UCR90745  Mimulus aurantiacus var. puniceus Scott D. White 1995-4-5 2744 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET187379  Mimulus bigelovii var. bigelovii P. A. Munz 1940-3-23 15719 Riverside 3 mi N of Cottonwood Springs Eagle Mts 914 Comment
  UCR50882  Mimulus bigelovii var. bigelovii A. C. Sanders 1988-5-11 7803 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR15993  Mimulus brevipes Kenneth Hibberd 1966-4-10 660410- 01 Riverside Riverside, Arlington Ave., 1 mile east of Victoria St 305 Comment
  RSA570551  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  RSA50325  Mimulus diffusus E. K. Balls 1949-5-4 13488 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1372 Comment
  UC489138  Mimulus fremontii var. fremontii C. V. Meyer June 1927 204 Riverside Saunder's Meadows San Jacinto Mts. 1706 Comment
  UCR174346  Mimulus guttatus A. C. Sanders 2006-5-19 32401 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UC1532827  Mimulus pilosus Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47301 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California (along stream way) 609 Comment
  UCR194225  Mimulus pilosus Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR84649  Mimulus pilosus Scott D. White, S. Ogg 1994-4-21 1960 Riverside San Bernardino Mountains, Millard Canyon, near stream crossing with US Forest Service Road 2S05, about 4 mi south of Bear Wallow Spring 915 Comment
  UC27087  Mimulus primuloides H. M. Hall 1897-1 708 Riverside San Jacinto Mountains 1828 Comment
  RSA526133  Minuartia douglasii Steve Boyd, Timothy S. Ross 1990-5-11 4646 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
  JOTR29224  Mirabilis albida La Doux, Tasha, Mike Bell 2005-9-15 1337 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  GMDRC2044  Mirabilis bigelovii var. retrorsa J. Andre 2006-4-26 6761 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UCR47223  Mirabilis californica B. G. Pitzer, L. F. LaPre 1987-3-2 0435 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
  JEPS61337  Mirabilis laevis W. L. Jepson 1927-4-14 11707 Riverside Silent Canyon, SE end of Santa Rose Moutains 304 Comment
  RSA33559  Mirabilis laevis var. crassifolia N. C. Cooper 1944-3-25 1009 Riverside Cabazon. 457 Comment
  RSA464247  Mirabilis laevis var. crassifolia D. A. Young 1969-3-28 P- 392 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  SDSU18647  Mirabilis laevis var. crassifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 526 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  POM47778  Mirabilis laevis var. retrorsa Mary F. Spencer 1918-3-26 769 Riverside Palm Springs 137 Comment
  RSA0121210  Mirabilis laevis var. retrorsa Duncan S. Bell, LeRoy Gross 2016-3-8 8822 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA735402  Mirabilis laevis var. villosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11232 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
  RSA777816  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 845 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UC1563079  Mirabilis laevis var. villosa Steve Boyd and Orlando Mistretta 1986-3-13 1480 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  UCR251643  Mirabilis laevis var. villosa Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 822 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 495 Comment
  RSA464621  Mirabilis multiflora var. pubescens N. R. Zabriskie, W. M. Zabriskie 1972-3-30 500 Riverside west of Hwy 74, Santa Rosa Mountains 976 Comment
  CAS-BOT-BC229625  Mirabilis tenuiloba Milo S. Baker 1928-4-3 2829 L Riverside Tahquitz Canon [Canyon] near Palm Springs Comment
  CLARK-A1528-4225  Mohavea confertiflora John C. Roos 1937-4-28 1287 Riverside Desert Center Comment
  POM4440  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  RSA777759  Mohavea confertiflora Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1080 Riverside Box Canyon Road, Mecca Hills, South of Shavers Well 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
  UCSB7452  Mohavea confertiflora Broder, Richard 1958-3-1 Riverside 1.5 miles up White Water Canyon from US 60-70 Comment
  SEINET10548358  Mohavea confertiflora David B. Dunn 1946-2-22 Dunn 1966 Riverside Collected in mud flats dry, caked and split. All american canal catch basin from Desert washes. Oracopia mts ne of the saltan sea. Very arid country. Comment
  JOTR32601  Mollugo cerviana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2667 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
  RSA0104497  Mollugo cerviana Duncan S. Bell 2015-9-30 8658 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  POM268799  Mollugo cerviana E. C. Jaeger 1945-09 s.n. Riverside Joshua Tree National Monument. 1220 Comment
  CAS-BOT-BC220024  Monardella breweri subsp. lanceolata Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR161453  Monardella breweri subsp. lanceolata Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., W side of Pine Cove, south of Logan Creek near Truck Trail 1829 Comment
  LA96101  Monardella nana Elizabeth McClintock; 1941-7-18 122 Riverside San Jacinto Mountains, trail to Hidden Lake, about 1 mi. beyond the cienega Comment
  POM247675  Monardella nana subsp. arida E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
Read comments
Dec 10 2015
  RSA750291  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 99 Riverside Black Mt. 3/4 mile beyond the snow gate. Comment
  OBI32735  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree Natl Monument. Keys Ranch, Hidden Valley area. 100 m SW of the Natl Parks Service Trailer Comment
  CLARK-A1528-5417  Monolepis nuttalliana John C. Roos 1952-5-21 5705 Riverside San Jacinto River 426 Comment
  CAS-BOT-BC349799  Monoptilon bellioides Lewis S. Rose 1937-4-9 37165 Riverside Palm Springs 137 Comment
  CAS-BOT-BC349804  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio, Colo. Desert Comment
  HSC28421  Monoptilon bellioides Richard Spjut 1973-4-5 3265 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  JOTR16607  Monoptilon bellioides Vanderspek & Youse 1964-4-19 64517 Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  POM13677  Monoptilon bellioides E. C. Jaeger 1923-3-18 1033 Riverside Painted Canyon near mecca. Comment
  UCR148442  Monoptilon bellioides John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA0010790  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  POM183877  Muhlenbergia asperifolia P. A. Munz 1932-10-16 12844 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  UCD86664  Muhlenbergia filiformis Peter Kamb 1948-7-11 1191 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  RSA0104694  Muhlenbergia microsperma Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7762 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  SEINET212451 Image available Muhlenbergia microsperma Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-21 6436 Riverside Big Maria Mountains 12 airline miles north of downtown Blythe. 290 Comment
  UCR85187  Muhlenbergia microsperma A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  RSA0049531  Muhlenbergia microsperma J. C. Roos 1952-4-9 5507 Riverside East face Mt. Rubidoux. 365 Comment
  SEINET10599994  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-3 Boyd 4101 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of "Big" Oak Mtn., just S of the E summit. T8S R1W S3 N1/2. Clay soil on Gabbro. Coastal sage scrub, chaparral on slopes, grassy flats. 610 Comment
  UCR154459  Muilla maritima Jason L. Hlebakos 2005-5-30 809 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CAS-BOT-BC83345  Myosurus minimus P. A. Munz; I. M. Johnston 1922-5-20 5461 Riverside Hemet Valley, San Jacinto Mountains. Pool at Kenworthy. 1432 Comment
  UCR70518  Myosurus minimus subsp. apus D. E. Bramlet 1991-5-9 2139 Riverside 6.1 km west of Hemet and c. 260 m west of the intersection of Florida Ave. and Warren Rd 500 Comment
  UCR85643  Myosurus minimus subsp. apus A. C. Sanders 1993-4-5 13691 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
  SD87753  Myriopteris covillei Frank W. Peirson 1921-3-22 2331 Riverside Murray CaA'on Comment
  SDSU3601  Myriopteris newberryi James C. Dice with Tu Chung 1987-10-19 738 A Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, northwest 1/4 of northwest 1/4 of section 26. 329 Comment
  CHSC692  Nama demissa F. Hughes 1935-4-16 Riverside Colorado Desert Comment
  RSA480031  Nama demissa Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2154 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR254220  Nama demissa Dave Silverman, Onkar Singh 2010-3-26 7838 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 1.0 km east of Black Creek Rd, 5.6 km west of McCoy Wash, and 8.6 km north of I-10 152 Comment
  UC724376  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  RSA557878  Nassella lepida Steve Boyd, Orlando Mistretta 1992-4-23 7052 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
  UC1931110  Nasturtium officinale Scott D. White, Justin Wood 2008-6-18 12229 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  RSA550479  Navarretia fossalis D. E. Bramlet 1992-5-8 2273 Riverside The site is south and west of the San Jacinto Wildlife Area, approximatly 1.2km north of Lakeview. It is located 700m. west of Davius Road, 61m north of Marvin Road. and 30m east of the San Jacinto River levee. 433 Comment
  UCSB41129  Navarretia fossalis Roos, John 1952-5-28 Riverside San Jacinto river bottomland; 1 mile southeast of Perris Comment
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Aug 8 2008
  RSA356635  Navarretia hamata W. A. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; desiccated bed of vernal pools near N end of Mesa 610 Comment
  SDSU13600  Navarretia hamata subsp. hamata W. Miller, C. Mosse 1972-7-5 Riverside Road below south gate (20ft). Comment
  CAS-BOT-BC7241  Nemacaulis denudata var. gracilis Samuel Bonsal Parish 1896-1-1 4140 Riverside Palm Springs Comment
  UCR245658  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  SEINET10464884  Nemacladus glanduliferus var. orientalis Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 Bacigalupi 6252 Riverside Wash issuing from eastern slope of the Big Maria Mts., 0.25 mile above its debouchment into the Colorado River, 11.3 miles north of Blythe 171 Comment
  RSA586311  Nemacladus longiflorus var. longiflorus D. L. Banks, S. D. Boyd 1995-5-3 0222 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
  UCR31680  Nemacladus longiflorus var. longiflorus John C. Roos 1947-3-15 3343 Riverside Peninsular Range; San Jacinto Valley/ San Jacinto Mtns. Foothills, 1 mile east of Valle Vista 549 Comment
  UCR48526  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR85602  Nemacladus orientalis Theo Glenn 1991-5-15 91- 40 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA526492  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4688 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
  RSA606433  Nemacladus ramosissimus Jon E. Keeley 1994-4-26 25359 Riverside First year burn, S of Hwy 79, E of Temecula. Vail-3 (Keeley 1994). 980 Comment
  JEPS15026  Nemacladus sigmoideus H. M. Hall Jun 1901 2046 Riverside Chalk Hill; San Jacinto Mountains 1524 Comment
  OBI42757  Nemophila menziesii Roberta H. Smith 1969-4-12 2 Riverside Box Springs mts, NW slope of hill, SE of UCR 366 Comment
  UC144187  Nemophila menziesii Baker 1904-4-4 4124 Riverside Elsinore Comment
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Jul 4 2010
  UCR121196  Nemophila menziesii D. E. Bramlet 1989-4-5 1797 A Riverside Perris-Aguanga Basin Region, Shipley Multi-species Reserve, blue-line stream on the southeastern flank of Bachelor Mtn. 470 Comment
  UCR51025  Nemophila menziesii S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR97676  Nemophila menziesii A. C. Sanders, G. Helmkamp 1997-3-15 19945 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  JEPS1891  Nemophila menziesii var. integrifolia W. L. Jepson May 17 1901-June 1, 1901 1288 Riverside Strawberry Valley 1828 Comment
  RSA33902  Nemophila menziesii var. integrifolia N. C. Cooper 1945-5-24 1632 Riverside Big Oaks Canyon, San Gorgonio Mountains, Banning. 1220 Comment
  JOTR01275  Nicolletia occidentalis Cole, James E. 1942-5-24 979 Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  RSA699016  Nicotiana attenuata J. R. Bruff 1934-6-19 548 Riverside San Jacinto Mountains. Comment
  JEPS12267  Nicotiana obtusifolia W. I. Follett 1942-3-22 127 Riverside 12.2 mi e Mecca; Colorado Desert Comment
  RSA426707  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7704 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA426714  Nicotiana obtusifolia Christopher Davidson 1973-4-19 1982 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  POM11513  Nolina parryi Philip A. Munz 1922-6-30 5928 Riverside Santa Rosa Mountains, south of Santa Rosa. 1768 Comment
  RSA45204  Nolina parryi J. C. Roos, L. Roos 1949-4-23 4282 Riverside Monson Canyon, Eagle Mountains. Comment
  UC219553  Nolina parryi P. A. Munz 1922-6-30 5928 Riverside rocky slopes s Santa Rosa; Santa Rosa Mts. 1767 Comment
  UCR18845  Nolina parryi John C. Roos 1965-7-8 s.n. Riverside San Jacinto Mtns., Thomas Valley at the Pathfinder Camp. Comment
  POM11862  Notholaena californica subsp. californica P. A. Munz, I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  CHSC8283  Oenothera Edward L. Smith 1957-4-3 232 Riverside 1 mi. n on hwy. 99 to 29 Palms. San Bernardino Mts. 91 Comment
  LA206122  Oenothera avita subsp. avita A. W. Haupt; April 1926 sn Riverside Palm Springs Comment
  JOTR16763  Oenothera californica subsp. avita Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1341 Comment
  RSA40570  Oenothera cespitosa subsp. marginata J. C. Roos 1947-4-5 3427 Riverside North base Santa Rosa Mountains, upper reaches of Deep canyon. Comment
  CDA38162  Oenothera deltoides M. Wasbauer 1960-3-26 s.n. Riverside Palm Springs. 0 Comment
  UCR95618  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Riverside: Mt. Rubidoux, NE foot of the mountain above the end of 9th St. 305 Comment
  SBBG87842  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6114 Riverside Corn Spring, Chuckalla Mtns, wash below the spring; T6S, R16E, S28 487 Comment
  RSA698037  Olneya tesota J. R. Bruff 1928-12-29 403 Riverside Lone Cottonwood Ranch 2 mi. SE of Dos Palms. Comment
  SFV4437  Olneya tesota D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  UCR263244  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41474 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UCR269228  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42001 Riverside Peninsular Range, along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. 401 Comment
  UCR282189  Oncosiphon piluliferum Saharat Nilaad 2017-5-1 01 Riverside Moreno Valley, east of March Air base, empty lot SE of the Iris Ave. intersection with Indian St. 457 Comment
  CAS-BOT-BC56217  Opuntia ficus-indica C. B. Wolf; P. C. Everett 1938-9-29 9462 Riverside Field redacted by CAS, contact the data manager for more information 335 Comment
  RSA561009  Opuntia littoralis Steve Boyd, Timothy S. Ross 1992-5-4 7201 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR42627  Opuntia littoralis A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6467 B Riverside San Jacinto Mountains Foothills, Bautista Canyon, 2 mi above the dam, southeast of Hemet 610 Comment
  POM305016  Opuntia parryi Lyman Benson 1962-2-17 16143 Riverside Oak Grove 6 miles southeast of Aguanga. 1220 Comment
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Feb 24 2013
  JEPS18058  Orcuttia californica Frank W. Peirson 1922-5-19 3020 Riverside Menifee Valley Comment
  POM11974  Orcuttia californica P. A. Munz, I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley. 427 Comment
  JOTR32529  Orobanche cooperi Manson, Stacy 2011-4-6 s.n. Riverside Joshua Tree National Park. southeast Pinto Basin; Pinto Wash, along the road to Pinto Wells 304 Comment
  UC68716  Orobanche cooperi H. M. Hall Apr 1905 5836 Riverside Colorado Desert near Salton; Colorado Desert -30 Comment
  RSA0102398  Orobanche cooperi subsp. cooperi John Roos, Lucille Roos. 1949-3-26 4125 Riverside 2 or 3 miles east of Mecca. Comment
  RSA0124000  Orobanche fasciculata Duncan S. Bell, Thomas Stoughton 2016-4-13 9250 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UCR58949  Orobanche fasciculata Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  RSA458996  Osmorhiza brachypoda E. Crow 1929-4-7 317 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  CAS-BOT-BC7024  Oxytheca emarginata Harvey Monroe Hall 1901-7-1 2331 Riverside San Jacinto Mountains, near Tauquitz 2194 Comment
  SD227758  Palafoxia arida Scott D. White, Pam Devries 1998-2-9 6084 Riverside Coachella Valley. La Quinta / Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  POM299274  Palafoxia arida var. arida A. M. Alexander, Louise Kellogg 1941-5-12 2163 Riverside Eagle Mts., road to Black Eagle Mine. 671 Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  UCR116587B  Parietaria hespera var. californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24172 C Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR126369  Parietaria hespera var. californica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 677 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  GMDRC5836  Parietaria hespera var. hespera J. M. Andre 2013-3-27 24815 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  UCR260591  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., opposite So. Cal. Edison Ivy Glen Substation, Temescal Valley at mouth of Mayhew Canyon, west of the I-15 crossing of Temescal Canyon Rd., north of massive mining operation, 0.6 km SE (101 deg. ) of Temescal Fire Station 329 Comment
  CAS-BOT-BC258776  Paspalum urvillei H. A. Gray 1915-6-1 s.n. Riverside Palm Springs R. R. Station, Colorado Desert Comment
  RSA38494  Pectis papposa P. A. Munz 1946-10-20 11574 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  UCR17641  Pectis papposa 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
  UC64423  Pectocarya anisocarpa H. M. Hall 1897-3-23 398 Riverside Winchester Comment
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Mar 20 2011
  JEPS22512  Pectocarya heterocarpa Rimo Bacigalupi with Paul Hutchison 1958-2-19 6197 Riverside 9.4 mi n Blythe; western base of Big Maria Mts., in wash 167 Comment
  UC100891  Pectocarya heterocarpa H. M. Hall 1905-4-27 5921 Riverside Bottomland near Colorado River; Colorado Desert Comment
  UCR111965  Pectocarya linearis A. C. Sanders, T. B. Salvato 2000-5-25 23419 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
  UCR150444  Pectocarya linearis John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  RSA524224  Pectocarya linearis subsp. ferocula Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4018 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM9017  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-3-20 3387 Riverside Temescal Canyon 366 Comment
  POM3821  Pectocarya penicillata H. M. Hall 1902-04 2943 Riverside Vicinity of Riverside 366 Comment
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Jun 22 2011
  CAS-BOT-BC169708  Pectocarya peninsularis Ivan Murray Johnston 1932-3-13 10629 Riverside Thousand Palms Canyon Comment
  RSA768409  Pectocarya platycarpa J. Andre, T. La Doux 2009-2-25 10815 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR41560  Pectocarya platycarpa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6018 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  GMDRC9791  Pectocarya recurvata J. M. Andre 2017-3-1 37987 Riverside Orocopia Mountains: north end of range, along Pinto Rd, 1.3 mi. ESE of Interstate 10 ( Box Cyn/Cottonwood Spring Rd exits). 479 Comment
  RSA303585  Pectocarya recurvata J. R. Shevock 1972-3-5 1369 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  RSA777632  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 769 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SD143996  Pectocarya recurvata A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 182 Comment
  RSA543594  Pectocarya setosa Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6146 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA747873  Pectocarya setosa Justin M. Wood 2009-5-11 696 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA757638  Pectocarya setosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4316 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR243177  Pelargonium capitatum Steve Morgan 2013-4-26 s.n. Riverside Peninsular Range, Riverside; UCR Campus, weed in the botanical garden 396 Comment
  RSA750884  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR194239  Pellaea andromedifolia Mitch Provance, Michael L. Fugate 2005-4-14 10053 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  UCR2  Pellaea andromedifolia Eugene Cardiff 1955-3-1 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mountains] 671 Comment
  UCR265835  Pellaea andromedifolia Mitch Provance 2012-5-24 512- 18 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA686749  Pellaea andromedifolia var. andromedifolia Christopher Davidson, B. Gustafson 1977-4-7 5592 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. 610 Comment
  CAS-BOT-BC71401  Pellaea mucronata Annie M. Alexander; Louise Kellogg 1941-3-23 1993 Riverside Tahquitz Canyon, Palm Springs 170 Comment
  UCR121652  Pellaea mucronata A. C. Sanders, Kent Beaman 2002-5-10 25048 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
  UCR139052  Pellaea mucronata subsp. mucronata D. L. Banks 1997-2-23 1319 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  POM11830  Pellaea mucronata var. mucronata P. A. Munz, D. Keck 1922-4-14 4995 Riverside Colorado Desert: Mouth of Whitewater Creek 229 Comment
  UC218048  Penstemon centranthifolius P. A. Munz, I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch , Covington Ranch (Morongo Pass) 762 Comment
  RSA97015  Penstemon centranthifolius R. M. Straw 1953-6-4 431 Riverside Pinyon Flats, Palms to Pines Hwy. 1220 Comment
  SEINET10299459  Penstemon clevelandii Melissa Luckow, Rhonda Riggins 1982-4-15 822 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW of junction Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  CAS-BOT-BC265283  Penstemon clevelandii subsp. connatus Ivan Johnston 1917-4-4 1043 Riverside Andreas Canyon, Colorado Desert 274 Comment
  CAS-BOT-BC265292  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-29 15154 Riverside Deep Canyon, Santa Rosa Mountains 1066 Comment
  CDA41882  Penstemon clevelandii subsp. connatus T. C. Fuller 1963-4-23 10292 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  SD245487  Penstemon heterophyllus var. australis Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49543 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA171363  Pentachaeta aurea J. D. Olmsted 1962-5-3 3514 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  RSA0070919  Pentagramma maxonii L. S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA0066104  Pentagramma triangularis Scott D. White, Tasha LaDoux 2000-4-20 7677 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UC399570  Pentagramma triangularis subsp. triangularis Fred M. Reed 1908-2-23 2242 Riverside n of Wilder's Canyon; Jurupa Hills Comment
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Jul 30 2006
  SBBG2633  Peritoma arborea H. and M. Dearing 1940-11-10 5012 Riverside near Whitewater Comment
  CLARK-A1528-4973  Perityle emoryi John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SEINET5763216 Image available Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert Comment
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May 6 2015
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  RSA652291  Petalonyx thurberi Harold Lint 1952-2-25 s.n. Riverside Base of Palms to Pines Hwy. Comment
  JOTR35988  Petalonyx thurberi subsp. thurberi Harding, Mitzi, Mark Wheeler 2012-9-4 199 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  UC578666  Petalonyx thurberi subsp. thurberi H. S. Yates 1937-6-27 6726 Riverside mouth of Deep Canyon Colorado Desert, Thermal Quad., Deep Canyon 304 Comment
  RSA471975  Peucephyllum schottii M. B. Dunkle 1933-3-4 3069 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCR91557  Peucephyllum schottii A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15923 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of Fargo Canyon, Litthe San Bernardino mtns., 1.2 mi. above junction with Aqueduct Road. 367 Comment
  UC702010  Phacelia Frank W. Gould 1943-4-17 2129 Riverside 4 mi e Elsinore Comment
  POM3797  Phacelia ambigua Louis Greata 1905-04 s.n. Riverside Coachella Colorado Desert. Comment
  RSA314616  Phacelia campanularia Robert F. Thorne 1983-4-23 55465 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  JEPS24831  Phacelia campanularia subsp. campanularia Peter M. Ray 1949-3-12 1352 Riverside 2 mi w of Whitewater (n side of Coachella Valley); Coachella Valley 457 Comment
  JOTR35925  Phacelia campanularia subsp. campanularia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA650542  Phacelia campanularia subsp. campanularia Bob Musgrove 1949-2-22 s.n. Riverside Collected in Indio Hills near Indio 213 Comment
  RSA79157  Phacelia campanularia subsp. vasiformis P. A. Munz, P. C. Everett 1952-5-2 16247 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SD215565  Phacelia crenulata var. ambigua W. Wisura, J. Dolan and M. Wall 1992-3-24 4619 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UCD120369  Phacelia crenulata var. ambigua P. C. Everett; E. K. Balls 1958-4-29 23011 Riverside U.S. Hwy. 60/70, Indio to Blythe, 6.5 mi. e. from jct. with U.S. Hwy. 99. 243 Comment
  UCSB34131  Phacelia crenulata var. ambigua Nilsen, Erik 1977-3-5 Riverside Upper Bajata, Riverside county 304 Comment
  UCSB46537  Phacelia crenulata var. crenulata Watts, Lisa 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 Comment
  RSA778225  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 30 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  JOTR31959  Phacelia distans La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2195 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash Comment
  RSA33656  Phacelia distans N. C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  RSA339326  Phacelia distans Robert F. Thorne, W. A. Tilforth 1980-5-28 54201 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA426213  Phacelia distans N. C. Cooper 1945-5-5 2250 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA426249  Phacelia distans Martha Hilend 1928-3-11 83 Riverside Morongo Valley, Colorado Desert. Comment
  SD137732  Phacelia distans Darin L. Banks, Steve Boyd 1995-5-3 187 Riverside Cleveland National Forest, 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
  UC1929820  Phacelia distans Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10495 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC24340  Phacelia distans H. M. Hall June 1901 2277 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UCR177942  Phacelia distans Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 533 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR4169  Phacelia distans H. C. Sharma 1976-4-20 760420- 02 Riverside UCR campus, c. 200 yards S-W of metallic tanks above Parking Lot No. 8 427 Comment
  UCR98692  Phacelia distans S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  SEINET3091904 Image available Phacelia fremontii A. C. Sanders, E. J. Lawlor 1988-3-5 7700 Riverside Mojave Desert, sand dunes on the S side of Koehn Dry Lake S of Munsey Rd. at a point 4 miles E of Neuralia Rd. March 5 & 6. Comment
  UC1228377  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 767 Riverside along CA route 74 about 1 mi w Idyllwild junction 1402 Comment
  RSA151625  Phacelia minor R. C. Bacigalupi 1954-4-25 4397 Riverside First-year burn along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  POM13911  Phacelia pedicellata P. A. Munz, D. D. Keck 1922-4-9 4758 Riverside Shavers Well, near Mecca. 76 Comment
  UCR176895  Phacelia ramosissima Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  RSA650562  Phacelia ramosissima var. latifolia Jeanne Bellemin 1969-5-24 s.n. Riverside Idylwild to Banning. 976 Comment
  UCR20521  Phacelia viscida H. A. Zuill 1966-6-5 197 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR126386  Phalaris lemmonii A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 696 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR280978  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 83 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCR82279  Phalaris minor J. M. Stewart 1994-5-2 849 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  PASA1945  Philibertia hirtella 1928-3-3 Riverside Hidden Springs Col. Desert Comment
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Aug 27 2016
  UC56540  Phlox austromontana H. M. Hall 1898-6-27 949 Riverside El Toro Peak San Jacinto Mts. Comment
  JEPS89195  Pholistoma membranaceum Rimo Bacigalupi, L. Heckard, and P. C. Hutchison 1962-3-23 8359 Riverside 1.9 mi. s.w. San Bernardino Co. line (lower end of Morongo Wash); Morongo Wash 609 Comment
  RSA48336  Phoradendron californicum E. K. Balls 1949-4-4 12972 Riverside At Desert Beach on Hwy 111, Colorado Desert. -15 Comment
  RSA640172  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  RSA97439  Phoradendron californicum F. W. Peirson 1920-12-28 1719 Riverside Murray Canyon near Palm Springs Comment
  SFV20414  Phoradendron californicum J. R. Pucci 2004-5-9 52 Riverside San Jacinto Mountains Chino Canyon, off Tramway Road on abandoned road. 590 Comment
  UC1194595  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Keen Camp and Palm Springs (State Hwy 74); State Hwy 74 Comment
  UC1550227  Phoradendron californicum Dennis Kucera 1987-11-14 Riverside e. Banning (off Fields Rd., Malki Museum garden, Morongo Indian Reservation); Morongo Indian Reservation, Malki Museum garden 609 Comment
  UCD102020  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs. 152 Comment
  RSA617698  Phoradendron villosum Scott D. White 1996-12-26 4646 Riverside San Jacinto Mountains: Bautista Canyon: along Bautista Canyon Rd, ca. 2 or 3 air mi. NW of junction with Tripp Flats Rd. 1037 Comment
  RSA790779  Phoradendron villosum M. E. Fishbein, Victor W. Steinmann, Ivonne Steinmann, J. Mark Porter, Stephen Dreher 1999-12-4 4096 Riverside Santa Rosa Mtns: Deep Canyon, just east of California 74. 976 Comment
  CAS-BOT-BC260904  Phragmites australis Aven Nelson; Ruth Nelson 1939-4-1 3370 Riverside Blythe Comment
  RSA289848  Phragmites australis B. A. Prigge 1980-9-17 4056 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  UCD170895  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  RSA264426  Physalis crassifolia C. W. Tilforth, Jeff Barnes 1976-7-20 1210 Riverside Along power line road n.e. of Chiriaco Summit between Indio and Desert Center, Riverside County, CA. Colorado Desert. Comment
  RSA339665  Physalis crassifolia Robert F. Thorne, C. W. Tilforth 1980-5-28 54195 Riverside W-facing slope of Whitewater ridge above old bridge. San Bernardino Mtns. Comment
  RSA788987  Physalis crassifolia Aaron C. Sedgwick, David Fraker 2012-3-28 18 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC566780  Physalis crassifolia H. L. Mason 1928-3-10 4185 Riverside Whitewater River Comment
  UC577930  Physalis crassifolia H. S. Yates 1937-3-23 6447 Riverside 1.5 mi ne Mecca; Thermal Quad. 457 Comment
  UCR74361  Physalis crassifolia Theo Glenn 1991-5-2 91- 20 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA0065367  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Indio Hills in Pushawalla Canyon. Comment
  UC1612270  Pinus flexilis O. P. Medsger 1901-7-30 Riverside San Jacinto Mt. 3200 Comment
  LA6157  Pinus quadrifolia Torn A. Barnerd; 1928-12-2 sn Riverside Santa Rosa Mountains, Vandeventer Flat Comment
  RSA247352  Pinus quadrifolia G. D. Wallace, D. Wilken 1966-7-3 635 Riverside San Jacinto Mtns up Thomas Mtn. Rd. west of Palm Desert. Comment
  UC527400  Pinus quadrifolia B. D. Stark 1931-8-29 2448 Riverside Vandeventer Flat San Jacinto Mts. 1371 Comment
  LA24977  Piperia cooperi M. Zaitlin; 1951-5-12 sn Riverside San Juan Canyon, Hwy 74 914 Comment
  RSA717474  Plagiobothrys acanthocarpus A. C. Sanders, Kelly Volansky 2005-3-17 29201 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR153486  Plagiobothrys acanthocarpus Steve Boyd, Ian G. Gillespie 2000-4-15 10301 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Gavilan Hills region: S flank of Alberhill Mtn, just east of the heavily mined area 463 Comment
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Mar 24 2007
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  SEINET1909857  Plagiobothrys canescens A. C. Sanders, J. C. Lyman 1995-1 16560 Riverside Glen Avon; Sand dune area on N. Slope of Jurupa Jills (draining toward Fontana), Pyrite St. Canyon (Fontana 7.5 Q.) Comment
  UCR174366  Plagiobothrys canescens A. C. Sanders 2006-5-19 32407 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR140316  Plagiobothrys collinus A. C. Sanders, Guy Bruyea 2004-4-2 27410 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
  UCR91408  Plagiobothrys collinus Scott D. White 1995-4-5 2756 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA495826  Plagiobothrys collinus var. californicus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2937 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA517931  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-1 1370 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR12247A  Plagiobothrys collinus var. californicus Art Whistler 1966-3-9 660309- 06 Riverside Perris-Aguanga Basin, between Beaumont and Moreno, dirt road near Martin [Marvin?] St. and Bridge St. 457 Comment
  UCR201477  Plagiobothrys collinus var. fulvescens Scott D. White, Justin M. Wood 2008-6-18 12243 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR266777  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt Amalong 2015-3-25 315- 23 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  SBBG104102  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside western edge of Hemet, along S side of Devonshire Ave, between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) 460 Comment
  UCR114956  Plagiobothrys leptocladus Fred M. Roberts 1992-4-25 4869 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  POM9664  Plagiobothrys nothofulvus P. A. Munz, Harwood 1920-2-28 3251 Riverside 3 miles west of Corona 335 Comment
  UCR101381  Plagiobothrys tenellus A. C. Sanders 1997-4-10 20321 Riverside Tucalota Hills, east of Lake Skinner 701 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
  RSA650596  Plantago erecta William Gilbert 1969-4-24 s.n. Riverside Hwy 71 and Temecula River. 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
  UCR232036  Plantago erecta John F. Green 2008-4-24 11- 01 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Kimes Ln. 511 Comment
  UCR91452  Plantago erecta Scott D. White 1995-3-30 2672 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
  UCR196375  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  JOTR35344  Plantago ovata var. fastigiata Harding, Mitzi, Mark Wheeler 2012-2-28 111 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  RSA402031A  Plantago ovata var. fastigiata H. de Forest, F. Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA550270  Plantago ovata var. fastigiata Walter Wisura, J. Dolan, M. Wall 1992-3-24 4626 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  UCSB6239  Plantago ovata var. fastigiata Haller, John 1960-4-2 Riverside at north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  UCR193405  Plantago patagonica A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35620 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  UCR120901  Plantago virginica A. C. Sanders 2002-3-20 24897 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  HSC101595  Platanus racemosa Steve Boyd, Robert Allen 2005-9-25 11658 Riverside Peninsular Ranges; San Jacinto Mountains region: Chino Canyon, southern base of the range, western margin of Chino Creek along upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  RSA604604  Platanus racemosa Louis C. Wheeler 1961-10-8 7930 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  POM9293  Platanus racemosa P. A. Munz, R. D. Harwood 1920-3-20 3374 Riverside 5 miles S of Corona 305 Comment
  UCR35346  Platystemon californicus L. B. Ziegler 1967-4-25 119 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  CDA34943  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
  RSA192099  Plectritis ciliosa subsp. insignis E. W. Lathrop 1965-4-4 5618 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UC818425  Pleuraphis rigida C. L. Hitchcock 5934 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
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Nov 6 2011
  CAS-BOT-BC326637  Pleurocoronis pluriseta Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9572 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  JEPS18555  Pleurocoronis pluriseta W. L. Jepson 1927-4-12 11681 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  JOTR31907  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  RSA779687  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  UCR103706  Pleurocoronis pluriseta B. G. Pitzer 1998-1-24 3410 .1 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR75043  Pleurocoronis pluriseta A. C. Sanders, E. J. Lawlor 1992-4-4 12157 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC356105  Pluchea odorata J. Ewan 1931-10-3 5210 Riverside Santa Ana River 4 miles N.W. of Corona Comment
  RSA0123109  Pluchea sericea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9016 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
  CAS-BOT-BC244377  Poa annua A. C. Sanders; T. B. Salvato 2011-3-28 38811 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin and Evans road intersection E to I-215 Freeway, with abandoned old fields near 215 434 Comment
  POM147498  Poa annua F. M. Reed 1928-4-18 5858 Riverside Sand in San Luis Rey River, Vail Ranch. Comment
  SD156727  Poa bulbosa Unknown 1940-4-30 Riverside Temecula Comment
  SEINET244767 Image available Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns.; Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR18504  Poa bulbosa A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  UC147830  Poa secunda subsp. secunda H. M. Hall 1901-5-22 1137 Riverside s side of San Jacinto Mts 1524 Comment
  UCD91881  Poa secunda subsp. secunda Fred M. Reed 1905-2-26 671 Riverside Tequesquite Arroyo near Victoria Club House. Comment
  UCD91895  Poa secunda subsp. secunda F. M. Reed 1920-3-24 4232 Riverside Colorado Desert, Murray Canon, Palm Springs. Comment
  UC212845  Polygonum bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz meadow San Jacinto Mt. 2377 Comment
  SEINET1004376  Polygonum convolvulus T. B. Salvato, Kent Beaman 2005-1 855 Riverside San Jancito Mtn foothills; San Jacinto River E of Valle Vista just downstream from Forest Service boundry and N of CA Hwy 74. 549 Comment
  UCR67000  Polygonum hydropiperoides S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  CLARK-A1528-760  Polygonum lapathifolium Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA522722  Polygonum lapathifolium Steve Boyd, Tim S. Ross 1989-8-28 3813 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  POM259113  Polygonum sawatchense subsp. sawatchense P. A. Munz 1938-8-14 15359 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  UCR170134  Polypogon semiverticillatus Jeffrey Ross 1998-6-4 142 Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  CAS-BOT-BC6242  Populus fremontii subsp. fremontii Samuel Bonsal Parish 1913-2-28 8471 Riverside Salton Basin, Mecca flats -60 Comment
  CAS-BOT-BC356159  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  POM178583  Porophyllum gracile Marcus E. Jones 1930-3-15 26503 Riverside Eagle Mountains. Comment
  RSA487824  Portulaca oleracea A. C. Sanders 1988-11-6 8738 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of it s junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  HSC83831  Potamogeton foliosus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau, Rancho California near junction of road to Santa Rosa Ranch from Tenaja Rd. 549 Comment
  JEPS44217  Potentilla gracilis var. fastigiata W. L. Jepson 2297 Riverside Tauquitz Valley San Jacinto Mt., Tauquitz Valley 2286 Comment
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Apr 3 2011
  RSA0013883  Proboscidea althaeifolia Justin M. Wood, D. M. Ray 2010-11-1 3070 Riverside Mojave Desert: NE side of SR-177, approx. 1 km NE of Desert Center. 176 Comment
  SEINET3365546  Proboscidea althaeifolia G. Rink 2011-10-6 11077 Riverside East of the McCoy Mountains, northwest of Blythe 150 Comment
  UCR163074  Proboscidea althaeifolia B. G. Pitzer, G. R. Ballmer 2000-10-14 4232 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  UCR35825  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Perris Basin, Mead Valley, 4.5 mi. NW of Perris, along Cajalco Road, 0.2 mi. east of intersection with Clark Street (= Old Elsinore Road) Comment
  CLARK-A1656-781  Prosopis glandulosa var. torreyana Theo Glenn 1982-4-18 Riverside Mecca Comment
  JEPS46478  Prosopis glandulosa var. torreyana W. L. Jepson Oct. 1912 Riverside Colorado River Comment
  POM348755  Prosopis glandulosa var. torreyana A. Menke 1955-4-25 s.n. Riverside Palm Desert Comment
  RSA0042162  Prosopis glandulosa var. torreyana Duncan S. Bell, Evan Meyer 2014-4-2 6525 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SEINET10489770  Prosopis glandulosa var. torreyana Billy Joe Cox 1975-4-23 Cox 4136 Riverside Palo Verde, 1-3 km W, (ca 32 m S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  CAS-BOT-BC158582  Prunus David Dreyer 1968-4-9 s.n. Riverside Along north facing slopes of south side of Morongo Valley 609 Comment
  CAS-BOT-BC158289  Prunus fasciculata var. fasciculata N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Spring Comment
  RSA0021857  Prunus fremontii H. de Forest 1924-4-13 s.n. Riverside Mojave Desert, Tahquitz Canyon. Comment
  CAS-BOT-BC356344  Psathyrotes ramosissima G. Helmkamp; E. Helmkamp 1998-1-17 2534 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well 243 Comment
  OBI45158  Psathyrotes ramosissima A. Liston, T. S. Elias, O. R. Dorado & S. Zona 1986-11-29 640 -21 Riverside Painted Cyn, Mecca Hills Comment
  RSA472319  Psathyrotes ramosissima Anstruther Davidson 1922-04 3530 Riverside Palm Springs. Comment
  SBBG62540  Psathyrotes ramosissima M. N. Ackley -Feb-1926 301 Riverside Painted Cyn, near Mecca 76 Comment
  UCR275518  Psathyrotes ramosissima D. E. Bramlet 2010-3-1 4445 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  SDSU21847  Pseudognaphalium californicum Lindsay Rubin, Stephanie Castillo 2016-4-16 Riverside On the south side of the Santa Margarita River, off the edge of the dirt road among rocky slope. Santa Margarita Ecological Reserve. 231 Comment
  JEPS35436  Psilostrophe cooperi W. L. Jepson 1928-4-25 12581 Riverside Cottonwood Springs Colorado Mts., Eagle Mts. 731 Comment
  UC65020  Psorothamnus emoryi E. E. Schellenger 1904-10-15 37 Riverside Palm Springs Colorado Desert, Palm Springs (near town, Colorado Desert, Southern California) Comment
  CAS-BOT-BC352324  Psorothamnus fremontii var. fremontii Robert F. Thorne 1964-5-3 33849 Riverside near hwy., ca. 4 miles S of Morongo Valley and ca. 3 miles S of San Bernardino County line. Comment
  CAS-BOT-BC340899  Psorothamnus schottii Lester Rowntree 1930-5-5 s.n. Riverside Hidden Springs, near Mecca Comment
  UCR161369  Psorothamnus schottii Mark A. Elvin 2005-4-26 4224 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley: N of Agua Caliente Indian Reservation; N of Ramon St; 3km NW of Thousand Palms 183 Comment
  RSA91438  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  SEINET951772  Pteridaceae Scott D. White 1996-1 3832 Riverside Lakeview Mountains, N of Winchesster, at 'Maze Stone' Picnic Area 609 Comment
  SDSU13320  Pteridium aquilinum var. pubescens Ryan Jacobson, Jeremy Mass 2000-4-19 13 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  CAS-BOT-BC460530  Pterospora andromedea Mary F. Spencer 1919-6-25 1223 Riverside San Jacinto Mt. 1676 Comment
  CAS-BOT-BC421253  Pterostegia drymarioides Susan G. Stokes 1934-7-1 313 Riverside San Jacinto Mt. 1066 Comment
  JOTR31854  Pterostegia drymarioides La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2112 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM13862  Pterostegia drymarioides P. A. Munz 1922-4-29 5082 Riverside Among rocks west of Lake Elsinore. Base of Elsinore Mountains, 488 Comment
  RSA0123296  Pterostegia drymarioides Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8983 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
  UCR162402  Pterostegia drymarioides 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
  RSA314480  Pulicaria hispanica R. F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55373 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA336052  Purshia tridentata var. glandulosa Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52082 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  CAS-BOT-BC499168  Quercus Mitch Provance 2009-9-10 17427 Riverside San Bernardino Mountains: Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  SEINET13953015 Image available Quercus agrifolia Martha P. Creighton 1952-1 679 Riverside Dripping Springs, Aqua Tibia Mts, 1500 ft. altitude, public campground with oaks 457 Comment
  RSA751628  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 540 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UC847819  Quercus agrifolia var. oxyadenia P. A. Munz 1922-7-3 5955 Riverside Vandeventer Flat San Jacinto Mts. 1371 Comment
  RSA0028782  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -581 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  POM13780  Quercus berberidifolia P. A. Munz, I. M. Johnston 1922-5-5 5150 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  UC64103  Quercus berberidifolia H. M. Hall 1901-8-6 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UCR262242  Quercus berberidifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3719 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR264649  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 34 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR275942  Quercus berberidifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3791 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  POM12904  Quercus chrysolepis P. A. Munz 1922-6-30 5908 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA155  Quercus chrysolepis J. T. Howell 1927-8-2 575 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR121133  Quercus chrysolepis June Latting 1972-10-27 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  UCR169240  Quercus chrysolepis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 84 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  RSA768123  Quercus dumosa E. W. Lathrop 1969-6-5 7093 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA0091964  Quercus durata var. gabrielensis Mitch Provance 2012-9-13 912 -01 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +/- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  UC5842  Quercus engelmannii Samuel B. Parish 1891-11-3 2257 Riverside near Murietta Comment
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Jul 15 2009
  UCD46014  Quercus engelmannii Frank C. Vasek 1975-9-11 s.n. Riverside Large tree in Horsethief Creek Canyon, southwest of Pinyon Flat, where the Cactus Spring Trail crosses, Riverside County, California. Comment
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Oct 4 2019
  SEINET3071475  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17493 Riverside Queen Mountain quadrangle, zone 11 0585690mE 3765105mN NAD83, Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.3km ESE of Negro Hill 1325 Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA3328  Quercus wislizeni var. frutescens Carl B. Wolf 1931-10-14 2453 Riverside Snow Creek, 100yds above the Fish Hatchery, north base of San Jacinto Mts. 610 Comment
  SD211611  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 06 530 Riverside East of Rainbow Canyon, North of Rainbow Heights, Termite's Hike Trail 594 Comment
  CAS-BOT-BC362623  Rafinesquia neomexicana Geo. B. Grant 1906-4-8 6614 Riverside Palm Springs Comment
  OBI53618  Raphanus sativus Steve Myers 1988-2-1 s.n. Riverside Boulder Springs dev, immed SE of intersection ofhwy 60 and Nason St, Moreno Valley 518 Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  RSA0034421  Rhamnus californica Percy C. Everett 1935-6-17 7137 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  POM246569  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  UC1121808  Rhamnus crocea A. Lewis 1934-5-1 460 Riverside 0.5 mi ne El Casco; Elsinore Quad. 731 Comment
  UCD111913  Rhamnus crocea B. Pitzer 1997-4-20 3186 Riverside Lakeview Mountains. Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  RSA526085  Rhamnus ilicifolia Steve Boyd, Tim S. Ross 1990-5-11 4658 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
  SD152765  Rhamnus ilicifolia Steve Boyd 1992-3-31 6750 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek. 671 Comment
  RSA719475  Rhamnus pilosa R. E. Riefner Jr. 2006-10-11 06 -529 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 614 Comment
  RSA787602  Rhododendron occidentale C. H. Tingley 1927-1 741 Riverside San Jacinto Mountains. Comment
  RSA105377  Rhododendron occidentale var. paludosum G. D. Barbe 1955-7-5 114 Riverside 12 mi south of Etna on French Creek Rd. where the road crosses the creek. 1098 Comment
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Jul 23 2013
  RSA650234  Rhus ovata Richard Phillips 1949-1-14 s.n. Riverside collected on Hwy between Corona and Elsinore. 152 Comment
  SD122182  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aquaduct crossing. 259 Comment
  SEINET238554 Image available Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  UC1127313 Image available Ribes indecorum C. Van Fleet 1931-1-22 520 Riverside mesa w Red Mt.; San Jacinto Quadrangle 914 Comment
  UCR158448  Ribes indecorum S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  SD29587  Ribes nevadense Darley F. Howe 1941-6-9 Riverside Strawberry Creek San Jacinto Mts Comment
  UCSB46695  Ribes nevadense Leen, Rosemary 1977-5-29 Riverside San Jacinto Mts; Bay Tree Spring 1676 Comment
  RSA557888  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA674551  Ribes speciosum Scott D. White 2000-5-1 7750 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  RSA446203  Romneya coulteri F. Post 1931-5-5 s.n. Riverside Lake Elsinore Comment
  RSA575821  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  SD136237  Rorippa obtusa Dylan T. Hannon 1993-5-6 176 Riverside Norco, ca 3 miles west of Interstae 15, along north side of Santa Ana River bordering dairy fields Comment
  RSA783124  Rumex J. D. Olmsted 1959-4-17 424 Riverside 3 miles north of Elsinore on Highway 71 in weedy area on east side of road 335 Comment
  UC452559  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside railway water works, Mecca Salton Sink -57 Comment
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Feb 3 2011
  UCR176197  Rumex hymenosepalus Amber Bruno 2005-4-3 05 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR261157  Rumex hymenosepalus A. C. Sanders, Katie Young, John Hale 2015-4-22 41591 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
  UCR97674  Rumex hymenosepalus A. C. Sanders, G. Helmkamp 1997-3-15 19958 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA334991  Rumex salicifolius var. denticulatus Steve Boyd 1985-7-23 1015 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  UC64584  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  LA207772  Rumex violascens J. Warren; 1952-4-6 sn Riverside Snow Creek 609 Comment
  RSA701781  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  RSA764121  Rupertia physodes Linda M. Prince, Duncan S. Bell 2009-6-17 581 Riverside Cleveland National Forest Comment
  UCR90828  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  POM3991  Salazaria mexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  UCR88296  Salazaria mexicana A. C. Sanders, K. C. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA770442  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4574 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC483070  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  UC634546  Salix exigua Margaret Stason 1927-3-12 Riverside Thousand Palms; Colorado Desert Comment
  UCR113884  Salix exigua Mitch Provance, A. C. Sanders 2000-7-4 2018 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA92695  Salix exigua F. W. Peirson 1924-12-30 5410 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SDSU13347  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU), M. G. Simpson 2000-4-1 30 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the gorge, near the pipe line crossing. 239 Comment
  CHSC1621  Salix gooddingii S. Westerberg 1938-4-17 Riverside Lake Elsinore Comment
  POM122567  Salix gooddingii Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms. Comment
  POM2036  Salix gooddingii I. M. Johnston 1919-5-30 2016 Riverside Lake Elsinore. Comment
  POM295748  Salix laevigata Lyman D. Benson 1946-4-15 12046 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  POM6411  Salix laevigata Philip A. Munz, L. T. Street, G. Williams 1919-5-3 2665 Riverside Along Santa Ana River. Comment
  SD80028  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1971-2-13 335 Riverside Andreas Canyon, E slope San Jacinto Mts, streamside 305 Comment
  UC634544  Salix laevigata H. L. Mason 1928-3-10 4171 Riverside Snow Creek Colorado Desert, White Water River Valley, Snow Creek Comment
  UCR174233  Salix lasiolepis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32666 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., vicinity of peak 2279 695 Comment
  UCR26204  Salix lasiolepis John C. Roos, L. Roos 1952-3-1 5383 Riverside 2.5 miles north of Moreno by a seep below reservoir 610 Comment
  RSA500103  Salsola australis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3667 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA123825  Saltugilia splendens P. H. Raven, Richard Snow 1957-7-26 11119 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  RSA761749  Saltugilia splendens subsp. splendens Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 643 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET1906667  Salvia A. C. Sanders, B. Pitzer 1992-1 13125 -E Riverside Riverside, UCR Botanical Garden. 335 Comment
  POM259186  Salvia apiana P. A. Munz 1938-8-14 15371 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  SD48522  Salvia apiana E. K. Balls, P. C. Everett 1957-11-4 22748 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  UC534838  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  UCR156090  Salvia apiana T. B. Salvato, Kent Beaman 2005-5-16 805 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
  UCR194212  Salvia apiana Scott D. White, Angelia Carey 2004-6-4 11464 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA0004067  Salvia apiana P. A. Munz, I. M. Johnston 1922-6-5 5170 Riverside Dry Morongo Wash, Colorado Desert. [county unspecified] Comment
  POM10094  Salvia carduacea F. M. Reed 1903-05 s.n. Riverside Pigeon Pass Comment
  POM10096  Salvia carduacea Charlotte M. Wilder 1904-4-18 196 Riverside West Riverside. Comment
  JEPS62650  Salvia columbariae W. L. Jepson 1939-4-17 19137 Riverside near Twin Springs (Temescal Canyon, n end); Temescal Canyon 274 Comment
  RSA401473  Salvia columbariae N. C. Cooper 1949-4-8 3261 Riverside Palm Springs. 457 Comment
  SEINET7073411  Salvia columbariae A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UC1979864  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 892 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UCR172764  Salvia columbariae Abby Sirulnik, Ian G. Gillespie 2000-5-14 41 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR174625  Salvia columbariae Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 107 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR265829  Salvia columbariae Mitch Provance 2012-5-24 512- 11 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR35344  Salvia columbariae L. B. Ziegler 1967-2-20 107 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  UCSB39326  Salvia columbariae Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  JEPS62710  Salvia dorrii var. dorrii Marjorie D. Clary 1932-5-13 1584 Riverside Lost Horse Canyon Conchilla Range (n side of Conchilla Range) 1219 Comment
  RSA727071  Salvia eremostachya Jay Walker, R. C. Walker 3096 Riverside 4.5 miles NE of Pinyon Flats, along hwy 74. Comment
  UCLA69693  Salvia eremostachya Elizabeth McClintock 1941-5-30 Riverside near Tule Creek; Coyote Canyon Comment
  RSA0003962  Salvia greatae H. M. Hall, L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas Comment
  SEINET10836973 Image available Salvia greatae Harvey M. Hall 1905-4-22 Hall 5848 Riverside Near Dos Palmos Comment
  CLARK-A1656-694  Salvia mellifera Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass 579 Comment
  RSA434140  Salvia mellifera Ora M. Clark 1929-4-16 1933 Riverside E. Riverside. Comment
  SEINET10581798  Salvia mellifera Nye Leith, Greg Gust 2005-3-11 Nye 65 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR17525  Salvia pachyphylla Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA5254  Sambucus caerulea C. B. Wolf 1932-8-6 3991 Riverside Strawberry Valley, at base of Devil s slide Trail to Tahquitz Valley. Alt. 5600 ft. 1707 Comment
  RSA0106414  Sambucus mexicana Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed above Market St. Bridge. Comment
  CLARK-A1528-7827  Samolus parviflorus John C. Roos 1937-6-19 23 Riverside Murrieta Comment
  HSC85419  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon, between Indian Truck Trail and Horsethief Wash 366 Comment
  UCR144752  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  POM9015  Sanicula bipinnatifida P. A. Munz, Harwood 1920-3-20 3382 Riverside 5 miles S of Corona. 305 Comment
  CLARK-A1528-1468  Sarcostemma cynanchoides John C. Roos 1940-8-20 906 Riverside Reche Canyon Comment
  UC566925  Sarcostemma cynanchoides subsp. hartwegii H. L. Mason 1926-5-2 3193 Riverside Aguanga Valley Comment
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Nov 16 2011
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  UCR57225  Satureja chandleri Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  UCR169871  Saxifraga californica Dave Goodward 2004-1 s.n. Riverside San Jacinto Mtns., mouth of narrow side canyon off South Fork San Jacinto River 1159 Comment
  RSA735903  Schedonorus arundinaceus Scott D. White, Justin M. Wood 2008-6-24 12289 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  CAS-BOT-BC243465  Schismus barbatus John Thomas Howell 1956-3-19 31118 Riverside San Jacinto Comment
  RSA676102  Schismus barbatus Scott D. White 2001-4-3 8265 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 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
  UCR263482  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA14335  Schoenoplectus americanus E. C. Jaeger 1921-7-15 1187 Riverside Massacre Canyon, near San Jacinto. Comment
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  POM47439  Scirpus microcarpus Mary F. Spencer 1919-6-28 1234 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA772852  Scrophularia californica Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4839 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
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Oct 5 2016
  UCR174534  Scrophularia californica Jennifer H. Jones 2006-4-7 262 Riverside Peninsular Ranges, Box Springs Mtns. Reserve; A couple hundred feet up hill east of service road, just SE of the parking lot 732 Comment
  UCR130866  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  SEINET7048159  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 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
  RSA160552  Scutellaria siphocampyloides John Olmsted 1959-6-23 660 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  UC219320  Scutellaria siphocampyloides P. A. Munz 1922-6-27 5854 Riverside Santa Rosa Mountains, Santa Rosa Santa Rosa; Santa Rosa Mountains, Santa Rosa 2011 Comment
  RSA0074166  Scutellaria siphocampyloides John Olmsted 1958-6-15 183 Riverside North shore of Hemet Lake, 10 miles south of Mt. Center just off Pines to Palms Hwy. Mt. Range: San Jacinto Mountains; Drainage area: S. Fk. San Jacinto R. 1326 Comment
  RSA560835  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  JOTR37747  Selaginella bigelovii Hodges, Stephen R., Aliya Ingersoll 2016-2-24 661 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  POM11410  Selaginella bigelovii Fred M. Reed 1919-4-4 4113 Riverside Palm Springs Canyon Comment
  UC1177500  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water; Mission Canyon 426 Comment
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Apr 20 2013
  LA209669  Selaginella eremophila Lawrence L. Kiefer; 1964-3-1 1255 Riverside San Jacinto Mountains, Palm Canyon, above the parking lot 457 Comment
  RSA0041946  Selaginella eremophila Duncan S. Bell, Loraine Washburn 2014-4-9 6589 Riverside Orocopia Mountains; northeast section of range; approximately 3.75 air miles south of Hayfields Lake. 551 Comment
  SEINET9622492 Image available Selaginella eremophila M. D. Windham, K. Pryer, J. Beck, C. Rothfels, A. Grusz 2008-5-15 3559 Riverside SSE of Palm Springs along unnamed tributary of Palm Canyon. ca. 5.61 km WNW of the summit of Murray Hill. T4S, R4E, Sec. 34. 221 Comment
  SEINET7073397  Senecio californicus A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  SEINET11802934  Senecio californicus H. M. Hall 1903-1 3721 Riverside vicinity of Riverside, Upper Sonoran Zone 610 Comment
  SJSU11728  Senecio flaccidus var. monoensis R. C. McGehee 1970-4-28 236 Riverside 2-5 miles south of Cottonwood Pass Comment
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Aug 30 2013
  LA212194  Senecio flaccidus var. monoensis James R. Shevock; 1972-10-14 2317 Riverside Coyote Canyon, Upper. 609 Comment
  UC36015  Senecio triangularis H. M. Hall July 1901 2571 Riverside vicinity Deer Springs (San Jacinto Mountains, Southern California); San Jacinto Mountains 2743 Comment
  RSA522715  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3901 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SBBG92387  Sesbania exaltata G. K. Helmkamp 1989-9-16 s.n. Riverside W side of St Hwy 78, 0.7 mi N of Palo Verde 75 Comment
  CDA4262  Sesbania herbacea T. C. Fuller 1958-9-23 2153 Riverside Clinton Street & Avenue 46, north of Indio. 0 Comment
  RSA653580  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  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
  CAS-BOT-BC240202  Setaria viridis Lewis S. Rose 1957-1-9 57024 Riverside La Quinta 15 Comment
  SEINET6947339  Sidalcea sparsifolia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  CAS-BOT-BC109437  Sidotheca caryophylloides James L. Reveal; Barbara J. Ertter 1976-6-30 4572 Riverside San Jacinto Mountains, along California Highway 243 at the turnoff to Black Mountain north of Idyllwild. 1615 Comment
  CSUSB710  Silene gallica I. Rauch 1968-4-25 Riverside Tenaja Road near Murrietta Comment
  SDSU13902  Silene gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2132 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR158713  Silene laciniata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30004 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
  RSA0103569  Silene verecunda Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8588 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324