Search Results — 2000 specimen records retrieved (1902 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CSUSB1329  Abronia villosa Art Whistler 1966-5-7 Riverside Route 74, Palms-to-Pines Highway, near Lake Fulmor in Pine Forest. Comment
Read comments
May 29 2018
  RSA663883  Abronia villosa C. R. Annable 1995-3-9 2256 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UC7620  Abronia villosa H. M. Hall 1901-6-1 2166 Riverside San Jacinto Mountains, Thomas Valley 1371 Comment
  UCD109831  Abronia villosa Rudolf Schmid 1962-4-29 s.n. Riverside Near Sunrise Way and Ramon Street, Palm Springs. Comment
  JEPS100433  Abronia villosa var. aurita Dean W. Taylor 2003-5-6 18514 Riverside wash of the San Gorgonio River ca. 1 mile South of the intersection of Highway 111 with Interstate 10 365 Comment
  UCR127362  Abronia villosa var. aurita A. C. Sanders, D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  RSA717471  Abronia villosa var. villosa Scott D. White, Andrea Warniment 2006-3-22 11268 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCR110387  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  SEINET8081480 Image available Acacia greggii Leila M. Shultz, John S. Shultz 1985-1 8270 Riverside Chuckawalla Valley Sand dunes, east of the Chuckawalla Mountains 122 Comment
  UCR132710  Acer negundo A. C. Sanders, O. F. Clarke 1991-6-10 11122 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UC217887  Acer negundo var. californicum P. A. Munz 1922-6-24 5804 Riverside along upper parts of Pipe Creek San Jacinto Mts., , Pipe Creek (Hemet Valley) 1584 Comment
  SEINET260234 Image available Achnatherum latiglume M. Curto, LS Allen 1991-6-26 766 Riverside San Bernardino National Forest ; Thomas Mt nr former lookout tower site summit rd SW off San Bernardino NF Rd 5S15 2060 Comment
  UCR30097  Achyronychia cooperi George K. Helmkamp 1983-4-5 483 37 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SBBG67318  Acmispon argophyllus var. argophyllus M. N. Ackley 1928-4-1 549 Riverside Snow Crk, Mt San Jacinto 609 Comment
  SDSU12933  Acmispon micranthus Jutta Buschbom 1991-6-1 34 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  JOTR33933  Acmispon strigosus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2823 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
  SD2574  Acmispon strigosus Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountains, Idyllwild Comment
  SJSU10339  Acmispon strigosus R. C. McGehee 1970-4-15 203 Riverside Wileys Well, Wileys Well Rd, 20 mi SW of Blythe via Hwy 60 Comment
  UCR3464  Acourtia microcephala Tom Painter 1964-5-12 51264 3 Riverside Box Springs Mtns., Two Trees Canyon 445 Comment
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  UCSB26901  Adenostoma fasciculatum var. fasciculatum Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  LA207891  Adenostoma sparsifolium Carl Epling; 1931-10-4 sn Riverside Hewitt to idyllwild Comment
Read comments
Feb 23 2014
  RSA162790  Adiantum aleuticum J. D. Olmsted 1959-7-16 760 Riverside San Jacinto Mts. 1/2 mi. below Carumba on Tahquitz Cr., 8 mi. east of Idyllwild (below dropoff) 2073 Comment
Read comments
Mar 21 2011
  UCR102827  Adiantum jordanii A. C. Sanders 1997-3-26 20103 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  CAS-BOT-BC46156  Agoseris heterophylla H. M. Hall 1901-6-1 2038 Riverside San Jacinto Mountains, south side 1341 Comment
  RSA762008  Agrostis Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 660 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA750928  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35968 Riverside lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  UCR98250  Agrostis exarata Scott D. White 1996-8-1 4448 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  UCR125292  Albizia julibrissin A. C. Sanders 2002-11-21 25635 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA489135  Alhagi maurorum Don Pendleton 1988-5-17 s.n Riverside Blythe, in a lemon orchard on the mesa W of town. Comment
  RSA784964  Allionia incarnata Duncan S. Bell 2012-3-18 3228 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UCSB17640  Allium fimbriatum Keith, Sheldon 1963-5-5 Riverside W of Pinyon Flats Campground, 21.3 miles SE of Mountain Center on California State Highway 74 1219 Comment
  UCSB18432  Allium fimbriatum Smalley, G. 1964-5-10 Riverside Pinyon Flats Campground, State Highway 74 1249 Comment
  RSA702415  Allium haematochiton Steve Boyd, Aydee Virgen 2004-4-13 10859 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR42429  Allium munzii Steve Boyd 1986-4-10 1641 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  UCR77593  Allium peninsulare Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6130 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  POM122368  Allophyllum glutinosum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UC455464  Allophyllum glutinosum I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  JOTR30695  Aloysia wrightii La Doux, Tasha, Jim Andre 2008-9-13 264 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR159257  Amaranthus albus A. C. Sanders, Kelly Volansky 2005-8-31 31590 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR167804  Amaranthus blitoides T. B. Salvato, Melissa Clemons 2005-6-23 1301 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA644209  Amaranthus fimbriatus V. W. Steinmann 1999-10-26 1419 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  UCR274784  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  UCR59701  Amaranthus palmeri George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, Blythe 75 Comment
  UC2015638  Ambrosia X platyspina A. C. Sanders with K. Rose 1995-4-27 16744 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree National Park Comment
  IRVC26842  Ambrosia acanthicarpa S. D. White 1996-12-26 4640 Riverside Perris area Perris Basin 427 Comment
  SFV17215  Ambrosia acanthicarpa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  CAS-BOT-BC22595  Ambrosia dumosa George B. Grant 6729 Riverside Palm Springs Comment
  UCR144132  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCR89871  Ambrosia dumosa George K. Helmkamp 1994-3-8 41 2 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  SD138940  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Adjacent to Nichols Road about 400 yards west of Highway I-15 Comment
  SD142811  Ambrosia pumila Craig Reiser 1996-9-13 Riverside North of Lake Elsinore, Nichols Road offramp at Interstate 15, 200 to 300 feet beyond end of paved road. Northwestern-most known population Comment
  LA203747  Ambrosia salsola Martha Hilend; 1929-3-24 sn -b Riverside Thousand Palms Comment
  RSA798045  Ambrosia salsola J. Andre 2012-4-11 20845 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  SBBG35146  Ambrosia salsola var. salsola T. L. Secrest 1948-4-7 Riverside near Whitewater Comment
  CAS-BOT-BC142930  Amelanchier utahensis C. B. Wolf 1931-5-11 1955 Riverside Near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  UCR277746  Ammannia coccinea Mitch Provance 2011-7-29 17035 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR91732  Amorpha californica A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18100 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA606085  Amorpha fruticosa R. S. Woglum 1941-5-14 3039 b Riverside Peninsular Ranges / Sonoran Desert transition: Elder (Alder?) Canyon, off Coyote Canyon. Comment
  RSA726820  Amorpha fruticosa Steve Boyd, Aydee Virgen 2004-4-13 10849 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC454658  Amorpha fruticosa I. J. Condit 1910-6-24 Riverside San Jacinto River Valley Comment
  RSA499976  Amsinckia intermedia David Young 1969-4-12 P 403 Riverside 10 mi. SE. of Helmet, California on State St. 335 Comment
Read comments
Apr 6 2013
  SBBG95668  Amsinckia intermedia S. Boyd 1986-3-1 1366 Riverside Gavilan Plateau, Gavilan Hills: 0.25 mi S of Harford Springs County Park 640 Comment
  SD212521  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, North edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Avenue and Riverside Drive, Northeast of Alberhill Creek, Northwest of Enterprise way 388 Comment
  UC494722  Amsinckia intermedia Philip A. Munz 1932-3-24 12025 Riverside n of Elsinore 304 Comment
  RSA0089607  Amsinckia intermedia D. L. Banks 1997-2-23 1290 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
  UCR113213  Amsinckia menziesii A. C. Sanders 1998-1-15 21644 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  SDSU18983  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-5 495 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
  RSA0091472  Amsinckia tessellata C. B. Wolf 1932-4-27 3037 Riverside Colorado Desert, 3/4 mile west of Utopia on Mecca-Blythe road. 152 Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC1563007  Amsinckia tessellata var. tessellata Steve Boyd 1986-3-1 1372 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UCR249660  Amsinckia tessellata var. tessellata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7297 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
  POM11976  Amsonia brevifolia var. tomentosa Philip A. Munz, D. D. Keck 1922-4-9 4844 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
Read comments
May 28 2011
  RSA27891  Amsonia brevifolia var. tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 0.5 mile below Cottonwood Springs Comment
  POM98948  Amsonia tomentosa var. tomentosa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  UC4897  Anemopsis californica Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley; Southern California, San Jacinto Valley Comment
  UCR60547  Anemopsis californica R. F. Thorne 1973-5-23 43878 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  POM204509  Angelica tomentosa var. tomentosa M. French Gilman 1934-7-8 S.N. Riverside San Jacinto Mountains Comment
  POM12971  Anisocoma acaulis Philip A. Munz, I. M. Munz 1922-5-19 5418 Riverside Hemet Valley, San Jacinto Mts. on Garner Ranch 1387 Comment
  SEINET2028544 Image available Antennaria speciosa H. M. Hall 1901-6-1 2401 Riverside San Jacinto Mountains 2830 Comment
  UCR20793  Antirrhinum coulterianum A. C. Sanders, Steve Boyd 1980-5-2 1411 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC68690  Antirrhinum filipes H. M. Hall Apr 1905 5815 Riverside 8 mi w Coachella; Colorado Desert 152 Comment
  RSA354917  Antirrhinum nuttallianum subsp. nuttallianum J. D. Olmsted 1962-5-10 3623 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  RSA523366  Antirrhinum nuttallianum subsp. nuttallianum G. H. True 1935-4-17 242 Riverside Mockingbird Canyon. 457 Comment
  UCR220135  Apiastrum angustifolium D. E. Bramlet 1989-4-10 1827 A Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, southwest slope of Bachelor Mountain, c. 500 ft. NW of the dam 457 Comment
  UC1922739  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. Lake Fulmore 7.5' Quad. Comment
Read comments
May 6 2020
  RSA802255  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  POM366955  Aquilegia formosa var. truncata E. C. Jaeger 1921-7-2 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  UCR30802  Arabis A. C. Sanders, K. Berg 1980-5-1 1351 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UC1007235  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  RSA629153  Arctostaphylos Jon E. Keeley 1992-7-17 16786 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629411  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19504 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629433  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16855 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629442  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16581 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631308  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16756 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
  RSA631721  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19303 Riverside Highway 79, 6 km west of Aguanga. 650 Comment
  RSA631754  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19269 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UCR278096  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42679 Riverside Peninsular Range; San Jacinto Mountains, north side of Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1316 Comment
  POM3277  Arctostaphylos glauca var. glauca I. M. Johnston 1918-4-27 1879 Riverside near Temecula 366 Comment
  RSA633534  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20163 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633561  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16625 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633622  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16695 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633704  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16674 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633712  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16655 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633741  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20111 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633759  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22652 Riverside Road to Santa Rosa Mountain. 2000 Comment
  POM306142  Arctostaphylos pringlei subsp. drupacea Henry J. Ramsey, Henry J. Ramsey 1937-5-30 I- 333 Riverside Santa Rosa Mountains. Comment
  RSA297169  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-06 207 Riverside Saunder's Meadow, San Jacinto Mts. 1676 Comment
  RSA635650  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16647 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  SEINET3093966 Image available Arctostaphylos pringlei subsp. drupacea Janice Hollinger 1972-5-13 720513 -7 Riverside San Jacinto Mtns., Idyllwild. Comment
  RSA0063963  Arctostaphylos pungens J. M. Andre 2012-6-15 30514 Riverside San Jacinto Mountains; along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA635794  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16825 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA752547  Arctostaphylos pungens Justin M. Wood 2009-3-10 350 Riverside Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  SD233811  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facing mountainside. Deer Spr Creek is now dry, but surrouding forest is more shaded and mesic. 1700 Comment
  UCD53750  Arctostaphylos pungens John Thomas Howell 1960-3-24 35149 Riverside Keene Camp Summit; Pines to Palms Hwy.; San Jacinto Mts. 1493 Comment
  UCSB4761  Arctostaphylos pungens Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  RSA636016  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18801 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD137789  Arctostaphylos rainbowensis Darin L. Banks, Steve Boyd 1995-3-15 76 Riverside Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. Area 730 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  UCR170127  Argemone munita Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 100 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  UCR41215  Argemone munita N. M. Fellows, A. C. Sanders 1985-4-9 136 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  SEINET191852  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  SEINET4565912  Aristida adscensionis Duncan S. Bell 2011-10-22 2992 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
  UCD56407  Aristida adscensionis D. Fenfrock 1951-5-10 s.n. Riverside Hwy. 60-70 at Black Rock, 10 miles west of Blythe. Comment
  CAS-BOT-BC137529  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside North base of San Jacinto Mountains. Snow Creek Canyon. 0.5 mile below Fish Hatchery. 548 Comment
  RSA0094182  Aristida purpurea var. nealleyi Jim M. Andre 2012-4-11 20698 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  SEINET3222924 Image available Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail about 0.5 mi W of the Dolomite Mine. 1200 Comment
  RSA495405  Artemisia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2890 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA520550  Artemisia douglasiana Steve Boyd, David E. Bramlet 1988-10-8 2883 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR277697  Artemisia douglasiana Mitch Provance 2012-7-15 612- 67 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  JOTR32639  Artemisia dracunculus La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2560 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA741742  Artemisia tridentata subsp. tridentata Michael Wall 2008-11-14 497 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  RSA676277  Asclepias albicans Scott D. White 2001-4-3 8234 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UCR59749  Asclepias californica Steve Boyd, T. Ross, et al 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  JEPS6275  Asclepias erosa W. L. Jepson 1927-4-14 11714 Riverside Silent Canyon Santa Rosa Mts. 304 Comment
  RSA90117  Asclepias fascicularis E. K. Balls, P. C. Everett 1953-8-19 18538 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  CHSC125  Asclepias subulata V. Holt 1957-3-31 Riverside Colorado River n. of Blythe 91 Comment
  SD125880  Asparagus asparagoides B. Pitzer, E. Misquez 1988-2-28 636 Riverside Walker Basin, southwest of Murrieta, Avenida del Oro, 2 miles south of Rancho California Road. Hilly areas north of the road. 427 Comment
  SEINET3004985  Astragalus acutirostris G. Rink, M. Baker 2011-4-1 10412 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCR198167  Astragalus aridus Michael Honer, Dave Silverman 2005-3-18 2101 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  UCR33595  Astragalus aridus Sears 1978-3-16 837 b Riverside Sonoran (Northern Colorado) Desert, 12 mi NW of Midland, 3 mi SW of Rice in sand dunes 244 Comment
  JOTR30999  Astragalus coccineus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1131 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  UCR108487  Astragalus didymocarpus A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al 1995-3-19 16188 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UCR44443  Astragalus didymocarpus A. C. Sanders 1986-4-30 6493 Riverside Mountain Avenue at 7th Street, San Jacinto 488 Comment
  CAS-BOT-BC178441  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  SEINET3101941  Astragalus filipes Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17363 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR120796  Astragalus gambelianus Ian G. Gillespie 2000-4-26 27 Riverside Perris-Aguanga Basin, S side of Paloma Valley. Hilltop at S end of Lindenberger Road, SW of the intersection of Scott Road and Briggs Road 473 Comment
  UC1287053  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside sand dunes about 15 mi s Rice (on dirt road to Blythe); s of Rice, road to Blythe Comment
  UCR214865  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37394 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  VVC2470  Astragalus insularis var. harwoodii Tim Thomas 2013-3-18 5930 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  RSA0037331  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  UCR198172  Astragalus lentiginosus var. variabilis Michael Honer, Dave Silverman 2005-3-18 2100 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  RSA613644  Astragalus pachypus var. jaegeri D. L. Banks, Victor W. Steinmann 1997-3-13 1475 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
  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
  RSA234088  Astragalus pomonensis R. F. Thorne 1969-6-6 39336 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  RSA713871  Astragalus pomonensis M. Wall 2006-3-17 411 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  RSA716395  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-5 9979 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET3860170  Astragalus pomonensis John F. Green 2009-3-7 s.n. Riverside Peninsular Range: Wildomar, west of Grand Ave off Sweet Nectar Rd.; 0 415 Comment
  UCR167785  Astragalus pomonensis T. B. Salvato, Gregg Miller 2005-6-3 1358 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  SEINET3134680  Astragalus sabulonum L. S. Rose 1938-2-1 38011 Riverside 10 mi W of Blythe 122 Comment
  RSA779951  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil 2011-5-24 2567 Riverside Mission Creek canyon approximately 1 mile north of Mission Creek Ranger Station. 809 Comment
  CAS-BOT-BC200818  Astragalus trichopodus var. phoxus Philip A. Munz 1937-5-31 15125 Riverside Kenworthy, San Jacinto Mts. 1371 Comment
  POM48357  Athyrium filix-femina P. A. Munz, I. M. Johnston 1924-7-27 8794 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  JOTR34391  Atrichoseris platyphylla Andre, Jim 2012-4-16 20918 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  SBBG46705  Atrichoseris platyphylla Leota Davidson 1966-4-5 224 Riverside E of intersection at Wiley Well, Chuckwalla Mtns Comment
  UC566697  Atrichoseris platyphylla Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR148861  Atrichoseris platyphylla 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
  UCR196358  Atrichoseris platyphylla Naomi Fraga, Lisa Rojas 2005-2-10 1405 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  POM187873  Atriplex argentea E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  UCR201824  Atriplex argentea subsp. expansa Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  SEINET3930040  Atriplex argentea var. mohavensis Steve Boyd 1986-4-19 1721 Riverside temescal Canyon: warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd.; 0 Comment
  CLARK-A1528-5402  Atriplex canescens John C. Roos 1951-10-19 5326 Riverside San Jacinto Valley 457 Comment
  POM13060  Atriplex canescens E. C. Jaeger 1921-7-15 s.n. Riverside Soboba Hot Springs Comment
  SEINET3930599  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana R. NW. of Arlington.; 0 Comment
  SEINET3930644  Atriplex canescens Stewart C. Sanderson 1993-11-22 93054 Riverside Milo Racket Club, Palm Springs, CA. 4x.; 0 Comment
  RSA289864  Atriplex canescens subsp. canescens B. A. Prigge 1980-12-15 4108 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  UCR214708  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37627 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  UCR123606  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3052 Riverside San Jacinto River; 6.1 meters south of the Ramona Expressway and 61 meters east of the San Jacinto River 431 Comment
  UCR123695  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3053 Riverside 122 m west of the San Jacinto River and 2 km north of Nuevo Road, 229 m northwest of the end of 12th St. 431 Comment
  UCR18789  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside Perris-Aguanga Basin, 1 mi SE of Perris. San Jacinto River bottomlands. Comment
  UCR66262  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2051 Riverside Perris-Aguanga Basin region, 6 km west of Lakeview and just south of Ramona Expressway, 150 m east of San Jacinto River levee; just NE of intersection of B Ave. and 9th St. 433 Comment
  CAS-BOT-BC170254  Atriplex hymenelytra G. P. Rixford 1911-4-1 s.n. Riverside 10 miles SE of Mecca Comment
  SJSU1866  Atriplex hymenelytra R. L. Fisher 1957-4-20 Riverside near Indio Comment
  CAS-BOT-BC169294  Atriplex lentiformis Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  RSA598396  Atriplex parishii C. Reiser 1996-5-9 s.n. Riverside Winchester; north of Haddock, west of Farnsworth Road; also south of Simpson Road; near Adams. Comment
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Mar 20 2011
  RSA653333  Atriplex serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side fo Latham St., about 1/8 mile W of intersection with Keats Dr., 34 deg 00' 12.2'' N, 117 deg 21' 55.4'' W. 245 Comment
  SEINET244783  Atriplex serenana A. C. Sanders, K. C. Rose 1999-6-18 22831 Riverside Domenigoni Valley; upper Warm Springs Creek between Hwy 79(Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 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
  RSA737223  Atriplex suberecta Justin M. Wood 2008-9-22 154 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR177506  Avena barbata 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 1128 Comment
  JEPS13898  Ayenia compacta Marjorie Clary 1931-4-4 Riverside Desert slopes of Santa Rosa Mountains Comment
  UCR277758  Azolla filiculoides Mitch Provance 2011-7-29 17040 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  JOTR32850  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  CAS-BOT-BC106702  Baccharis salicifolia L. R. Abrams 1926-3-26 11069 Riverside Palm Canyon Comment
  RSA657170  Baccharis salicifolia Bob Rogers 1984-4-14 5 Riverside Collected in the San Jacinto river-bed on the North side of Hwy 74, 0.6 miles past Cranston ranger station going east from Hemet towards Mountain Center 610 Comment
  SDSU13511  Baccharis salicifolia subsp. salicifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  CAS-BOT-BC99868  Baccharis sergiloides S. B. Parish 1916-5-13 10832 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  SD40813  Baccharis sergiloides Carl B. Wolf 1932-10-11 4272 Riverside Morongo Wash, Little San Bernardino Mountains; 0.3 miles below San Bernardino County Line. 669 Comment
  UCR245792  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40954 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  UC1929930  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  POM8406  Bahiopsis parishii Mary F. Spencer 1920-3-27 788 Riverside near Palm Springs 122 Comment
  RSA350650  Baileya multiradiata D. A. Young 1969-3-28 p 430 Riverside Palm Springs. 305 Comment
  SBBG97707  Baileya pauciradiata W. L. Halvorson 1977-3-8 77 -69 Riverside Interstate 10, ca. 30 mi W of Blythe Comment
  UCR60791  Baileya pauciradiata Steve Boyd, O. Mistretta 1986-3-13 1404 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  UC1931074  Barbarea orthoceras Scott D. White, Justin Wood 2008-7-9 12426 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  RSA652575  Bebbia juncea David B. Dunn 1947-7-12 2962 Riverside Pushawalla canyon in the Indio Hills, below the Palms Comment
  RSA696873  Bebbia juncea J. Russell Bruff 1927-11-26 32 Riverside Cottonwood Springs vicinity. Comment
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Oct 9 2010
  UCR121314  Bebbia juncea A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25004 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  RSA92403  Bebbia juncea F. W. Peirson 1917-4-1 1323 Riverside Palm Springs Comment
  CAS-BOT-BC100122  Bebbia juncea var. aspera Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2151 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  UC472351  Bebbia juncea var. aspera F. M. Reed 1904-8-22 643 Riverside Riverside and vicinity Riverside 304 Comment
  SDSU13762  Berberis aquifolium var. dictyota T. Cass 1975-4-10 74 -671 Riverside 3/4 mile down road parallel to Brown Creek in Santa Ana Mts. 914 Comment
  CLARK-A1528-1345  Berberis nevinii John C. Roos 1949-7-12 3564 Riverside San Timoteo Canyon 457 Comment
  UC19133  Bergia texana Samuel B. Parish 1891-11-5 2240 Riverside Elsinore Lake Comment
  UCR89779  Bergia texana Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCD142300  Bernardia incana Nancy Ryan Zabriskie; Walter Zabriskie 1972-4-9 510 Riverside Santa Rosa Mts.; small canyon NW from Hwy 74 at 81.72. 1219 Comment
  UCR35101  Bernardia myricifolia L. B. Ziegler 1967-9-28 254 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  UCR59809  Berula erecta Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Butterfield Country, SW of Vail Lake Comment
  UCR189286  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC127990  Bidens pilosa H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 304 Comment
  UCR100440  Bloomeria crocea B. G. Pitzer 1997-4-20 3199 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 Comment
  UCR22156  Bloomeria crocea var. crocea Steve Boyd 1980-5-13 267 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCSB26857  Boechera californica Gerhart, Janet 1963-5-3 Riverside 8.5 miles north of Lake Fulmor Picnic area on Banning-Idyllwild road 1219 Comment
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Mar 14 2014
  CLARK-A1528-5700  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  JOTR30048  Boerhavia coccinea La Doux, Tasha 2006-10-24 1655 Riverside Joshua Tree National Park. Twentynine Palms, park headquarters, nursery compound Comment
  UCR37436  Boerhavia coccinea Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  SEINET4565926  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 -A 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
  CLARK-A1528-4506  Bouteloua aristidoides John C. Roos 1943-12-19 2764 Riverside Mecca Hills Comment
  POM292714  Bouteloua aristidoides Lyman Benson, Robert Benson 1952-4-8 14852 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area 610 Comment
  CLARK-A1528-4516  Bouteloua curtipendula John C. Roos 1958-9-28 Riverside San Jacinto Mountains Comment
  JOTR16777  Bouteloua curtipendula Hogan, J. 1974-6-13 19 Riverside Joshua Tree National Park. QUEEN VALLEY, 1.9 MILES SOUTH OF PINE SPRING 1356 Comment
  UCR213309  Bowlesia incana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37696 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  JEPS121589  Brandegea bigelovii Adam C. Schneider with Will Freyman 2014-2-16 397 Riverside Box Canyon Road. Comment
  RSA394250  Brandegea bigelovii Donald Myrick 1968-3-3 1796 Riverside Box Canyon E of Mecca 305 Comment
  UC724362  Brandegea bigelovii Aven and Ruth Nelson 1939-3-28 3304 Riverside s of Mecca (near Salton Sea, Highway 111); Highway 111 Comment
  UCR24123  Brandegea bigelovii John C. Roos 1967-11-18 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  UCR21919  Brassica geniculata Steve Boyd 1980-5-11 223 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM312158  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA703413  Brassica tournefortii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1431 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  RSA708054  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-16 10171 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA772327  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4507 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA799882  Brassica tournefortii D. M. Ray 2011-3-5 9 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR239806  Brassica tournefortii O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR215448  Brickellia arguta var. arguta Tasha La Doux, Jim Andre 2008-9-16 334 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UC604871  Brickellia atractyloides Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  JOTR37468  Brickellia atractyloides var. arguta Hodges, Stephen, T. Green 2016-5-5 590 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) 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
  UCR154541  Brodiaea Jason L. Hlebakos 2005-5-18 708 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  UCR191204  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 927 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  UCR191212  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 910 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  UCR218065  Brodiaea terrestris subsp. kernensis Steve Boyd 2010-5-28 12284 Riverside Santa Ana Mountains, Elsinore Peak, just south of trail along ''old Main Divide Road'' at easternmost clay knoll east of main peak 1000 Comment
  SEINET10469092  Bromus altissimus David B. Dunn 1946-8-18 Dunn 2758 Riverside Grass 1/4 mi above creste of angels glide on trail to mt san jacinto. Comment
  SEINET244299 Image available Bromus arenarius A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-9 24211 Riverside Perris-Aguanga Basin; Hemet., SE of intersection of State St and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi SSW of Hemet Butte. 500 Comment
  CAS-BOT-BC149330  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside 8th Street, Riverside. Comment
  RSA605203  Bromus berteroanus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16168 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  POM266275  Bromus berteroanus J. C. Roos 1942-5-2 1120 Riverside Colorado Desert. Comment
  UCR202008  Bromus diandrus 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
  RSA562121  Bromus hordeaceus Steve Boyd 1992-4-14 6785 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
  UC1925783  Bromus laevipes Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1286 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  SDSU13487  Bromus madritensis subsp. rubens Joseph Verfaillie, Shasta Gaughen 2000-4-29 52 Riverside Santa Margarita Eclogical Reserve North side. The south side of the river just west of the the old pipeline crossing. 235 Comment
  UCR2225  Bromus marginatus F. M. Reed 1908-7-11 2503 Riverside San Jacinto Mtns., on trail to [San Jacinto] peak above Round Valley 3079 Comment
  UCR114138  Bromus rubens B. G. Pitzer, J. Ross 1998-3-8 3595 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR2249  Bromus rubens H. S. Fawcett 1913-12-24 1109 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  RSA0034583  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  UCD59765  Bromus tectorum var. nudus R. N. Raynor 1938-6-20 s.n. Riverside Palms to Pines Highway, between Idyllwild and Herky Creek. Comment
  POM179223  Caesalpinia virgata A. M. Alexander, Louise Kellogg 1941-5-17 2192 Riverside Near Dos Palmas Comment
  RSA605770  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  UC864232  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  UCR25957  Caesalpinia virgata John C. Roos 1947-3-15 3353 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  UCR97649  Calandrinia ciliata A. C. Sanders, G. Helmkamp 1997-3-15 19940 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  SD73471  Callitriche heterophylla E. W. Lathrop 1966-4-13 6164 Riverside 3.0 miles northwest of Murrieta. Comment
  CAS-BOT-BC85773  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA6059  Calochortus concolor B. D. Stark 1932-6-5 3711 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  JEPS61650  Calochortus invenustus W. L. Jepson 1901-5-27 1462 a Riverside Vandeventer's Ranch San Jacinto Range Comment
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May 26 2014
  RSA0000326  Calochortus palmeri var. munzii Philip A. Munz, Percy C. Everett 1950-6-23 14915 Riverside 2 mi. n.w. of Pipe Creek, south end of San Jacinto Mts. 1402 Comment
  UCR127537  Calochortus palmeri var. munzii A. C. Sanders, K. Kramer 2003-6-11 26875 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  RSA783290  Calochortus splendens J. D. Olmsted 1958-6-10 160 Riverside 8 miles SW of Corona on Oak Flat Fire Road (turn S in Corona from US [91?] onto Lincoln). Santiago Creek drainage area. 823 Comment
  SBBG94934  Calochortus splendens B. Gaut 1989-5-7 Riverside Santa Rosa Plateau, 5 mi W of Interstate 215 on Clinton Keith Rd, Temescal Valley Comment
  UCR261693  Calochortus splendens Dick Newell, Judy Booth 2014-5-26 376 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. south of Los Pinos Rd. and 0.67 mi. NW of Elsinore Peak 955 Comment
  CLARK-A1528-3201  Calochortus weedii var. intermedius John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  RSA689609  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-27 9412 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR121648  Calycadenia tenella A. C. Sanders, Kent Beaman 2002-5-10 25049 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
  JOTR31125  Calycoseris parryi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2507 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline south of Quail Mountain peak with steep, north facing slopes (Stop 4) Comment
  SEINET197558  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles northeast of Cottonwood Springs. 853 Comment
  UCD129988  Calycoseris parryi William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR241523  Calycoseris wrightii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40646 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR279416  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-25 42996 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SEINET3091115 Image available Calystegia longipes Peggy Merritt 1972-4-28 Riverside Canyon running N in dry granitic hills 1 mi S of intersec. of Alessandra Blvd. and Walnut St. 12 mi W of Riverside. Comment
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Aug 25 2013
  SEINET998494  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-1 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. (Murrieta 7.5' Q) 579 Comment
  UCR35149  Calystegia macrostegia L. B. Ziegler 1972-7-19 491 Riverside San Jacinto Valley. Dry wash of the San Jacinto River 473 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  UCR138155  Calystegia macrostegia subsp. intermedia D. L. Banks 1997-3-29 1637 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. The intersection of Magee Truck Trail and Moreno Road at the extreme southwestern corner of the Reservation 415 Comment
  UCR98195  Calystegia macrostegia subsp. intermedia Scott D. White 1997-2-9 4672 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  RSA192220  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1959-4-2 4421 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  RSA291569  Calystegia occidentalis subsp. fulcrata C. W. Tilforth, John Dourley 1980-7-15 2077 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. 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
  CDA37642  Camissonia bistorta T. C. Fuller 1964-4-14 11819 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  UCR136270  Camissonia bistorta A. C. Sanders 2004-4-20 27546 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR166535  Camissonia boothii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10897 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR233158A  Camissonia brevipes subsp. brevipes Jim Andre, Glenn L. Clifton 2011-2-22 17453 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA782531  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 Riverside 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. 465 Comment
  JOTR32132  Camissonia campestris subsp. campestris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2288 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  UCR112099  Camissonia cardiophylla A. C. Sanders, T. B. Salvato 2000-4-27 23379 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR37676  Camissonia cardiophylla George K. Helmkamp 1984-5-5 E 6 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA784931  Camissonia claviformis Duncan S. Bell 2012-2-12 3099 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  POM3093  Camissonia claviformis subsp. aurantiaca I. M. Johnston 1917-4-4 1076 Riverside Near Palm Springs. 152 Comment
  UCR142868  Camissonia claviformis subsp. aurantiaca C. B. Wolf 1937-4-6 8425 Riverside Western Colorado Desert, Coachella Valley, 2 mi. NE of Edom 61 Comment
  UCR103325  Camissonia claviformis subsp. claviformis George K. Helmkamp 1998-2-5 2637 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  RSA262088  Camissonia hirtella E. W. Lathrop 1968-6-1 6960 Riverside Main Divide Truck Trail between El Carriso [El Cariso] and San Mateo Canyon. Cleveland Nat'l. Forest. 1220 Comment
  UCR202233  Camissonia hirtella Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA180504  Camissonia ignota E. W. Lathrop 1959-4-16 4475 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA186737  Camissonia ignota Peter H. Raven 1962-3-14 16906 Riverside East limits of Homeland. Comment
  UCR174538  Camissonia ignota Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 312 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  UCR281527  Camissonia ignota Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 93 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  RSA698245  Camissonia pallida subsp. hallii J. R. Bruff 1928-4-2 84 Riverside Whitewater. Comment
  RSA449246  Camissonia pallida subsp. pallida Ora M. Clark 1929-3-16 1726 Riverside N. of Whitewater. Comment
  RSA465916  Camissonia pallida subsp. pallida N. C. Cooper 1949-3-15 3014 Riverside Cabazon. 549 Comment
  POM91008  Camissonia pallida subsp. pallida E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs 122 Comment
  POM302488  Camissonia strigulosa J. C. Roos 1943-8-8 2703 Riverside Dry flat, Hall Canyon, San Jacinto Mts. 1768 Comment
  RSA500556  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3604 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA585788  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-9 416 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  UCR154761  Camissonia strigulosa T. B. Salvato, Kent Beaman 2005-5-16 780 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
  UCR87658  Camissonia strigulosa A. C. Sanders 1994-5-29 14571 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA0103964  Camissoniopsis pallida subsp. pallida Duncan S. Bell, LeRoy Gross 2015-3-10 7769 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  UCR176586  Carex alma N. M. Fellows, A. C. Sanders 1985-5-7 168 B 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-BC19173  Carex barbarae H. E. Hasse 1903-6-21 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  RSA633885  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38118 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SEINET3101946  Carex multicaulis Marc A. Baker, Michelle Cloud-Hughes 2011-6-13 17380 Riverside San Jacinto Mountains, 1km north of Idyllwild, 2km WSW of Suicide Peak. 1925 Comment
  UC834496  Carex praegracilis P. A. Munz 1922-7-4 5971 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR208190  Carex praegracilis I. M. Johnston 1918-4-27 1860 Riverside Peninsular Range; Santa Ana Mtns. Region, Murrieta 305 Comment
  UCR161454  Carthamus tinctorius Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., between Hwy 243 and Pine Cove, at edge of Dutch Flat Meadow 1799 Comment
  RSA711756  Cassia eremophila O. F. Clarke 2002-3-11 s.n. Riverside O.F. Clarke residence, 266 Frost Court. 351 Comment
  JEPS46518  Castela emoryi James Rennie 1916-6-15 Riverside in hayfield in Chuckwalla Mts.; in hayfield in Chuckwalla Mts. Comment
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May 6 2009
  RSA773670  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1093 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  UCR85645  Castilleja exserta A. C. Sanders 1993-4-5 13693 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
  RSA0010925  Castilleja exserta subsp. exserta Duncan S. Bell, Joy D. England 2010-5-27 1127 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  CLARK-A1528-4177  Castilleja foliolosa John C. Roos 1940-5-4 880 Riverside San Timoteo Canyon Comment
  JEPS16164  Castilleja foliolosa Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4068 Riverside Canyon sides along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 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
  RSA741577  Castilleja miniata Scott D. White, Justin M. Wood 2008-6-17 12172 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  JEPS6193  Castilleja minor subsp. spiralis Peter Kamb 1950-9-13 1939 Riverside Hall Canyon; San Jacinto Mts. 1645 Comment
  UCR59756  Castilleja minor subsp. spiralis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3565 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  UCD166250  Caulanthus Jack Major 1962-4-17 783 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA162742  Caulanthus cooperi J. D. Olmsted 1958-3-29 70 Riverside 3 miles N of Cottonwood Spring in Joshua Tree national Monument which is 8 miles from the southern entrance. 915 Comment
  UCR19451  Caulanthus cooperi Carl Epling, Harlan Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, 3 miles north of Cottonwood Spring 945 Comment
  RSA152540  Caulanthus heterophyllus R. C. Bacigalupi 1952-4-1 3597 Riverside Near Summit of first grade E of Aguanga (2 miles E), on road to Anza. Comment
  RSA516427  Caulanthus heterophyllus W. Wisura, Bart O Brien, T. Hayduk 1990-5-2 4434 Riverside Ortega Hwy. lower switchbacks above Lake Elsinore, in burned area. Comment
  RSA574732  Caulanthus lasiophyllus var. rigidus Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills region, flats at the north base of the range, south of Lake Mathews, south of Cajalco Road. 457 Comment
  SD247618  Caulanthus simulans Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest: near Main Divide Road approx. 2 km southeast of Ortega Highway. 843 Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  POM262870  Ceanothus crassifolius J. C. Roos 1941-2-1 225 Riverside south of the ''Plateau'', Reche Canyon. Comment
  POM305340  Ceanothus crassifolius Henry J. Ramsey, Henry J. Ramsey 1938-2-25 678 Riverside Temecula Comment
  RSA569992  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7901 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UC1871077  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7901 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, T8S R1W SE 1/4 NE 1/4 sec. 29. Elev. 2000-2200 feet. Comment
  UC917856  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 mi se Temecula (on hwy 71) Comment
  UCR163217  Ceanothus crassifolius T. B. Salvato, Kelly Volansky 2003-3-27 132 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  SD232319  Ceanothus cuneatus Scott D. White, Justin M. Wood 2008-6-18 12251 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Meadow and adjacent uplands. 1402 Comment
  RSA297381  Ceanothus greggii var. perplexans Larry E. DeBuhr 1972-3-24 534 Riverside Santa Rosa Mountains. San Bernardino National Forest; along forest road 7S02. 1677 Comment
  RSA67298  Ceanothus greggii var. perplexans G. R. Campbell 1951-4-22 15996 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1372 Comment
  RSA720438  Ceanothus greggii var. perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  RSA399914  Ceanothus integerrimus E. S. Spalding 1925-6-13 s.n. Riverside Near Elsinore. Comment
  POM17814  Ceanothus leucodermis P. A. Munz, D. D. Keck 1923-6-14 7090 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  UCR398  Ceanothus leucodermis Sally Crum 1966-5-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., c. 2 miles below Lake Fulmor on Idyllwild to Banning road 1159 Comment
  RSA221012  Ceanothus oliganthus E. W. Lathrop 1966-4-28 6221 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA398914  Ceanothus oliganthus E. Crow 1929-4-7 296 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA570235  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7909 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  UCR3274  Ceanothus perplexans John Kitasako 1964-3-10 45269 Riverside San Jacinto Mtns., Anza, State Hwy 71 [=371], 1 mile from its jct with State Hwy 74 1463 Comment
  UCR399  Ceanothus perplexans John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., north slope of Mt. San Jacinto, [at/near Mt. Edna Rd.] 6 mi. SE of Banning on Hwy 243 1159 Comment
  SEINET13946104 Image available Ceanothus tomentosus Lewis S. Rose 1949-1 49073 Riverside 2 mi. south of Temecula 366 Comment
  RSA180281  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1965-3-30 5592 Riverside 16 miles west of Murrieta. Comment
  RSA14152  Celtis reticulata R. C. Bacigalupi 1935-6-27 2358 Riverside 1/4 mi. up small canyon at head of 16th St., Banning. Comment
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Mar 13 2011
  CDA7291  Centaurea X pouzinii R. M. Howie 1952-6-7 Riverside Fuller Rancho, near Corona. 0 Comment
  CLARK-A1528-178  Centaurea cyanus Ted R. Turk 1971-5-16 Riverside 380 Comment
  RSA709641  Centaurea repens Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside San Timoteo Canyon, 3.2 miles SE of Redlands Blvd., across road from historic schoolhouse, between RR tracks and creek. NE of El Casco Lakes. 579 Comment
  UCR180128  Centaurea solstitialis A. C. Sanders, Steve Boyd, Mark A. Elvin, Dean Kelch 2006-12-8 33257 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, north side of Mesa de Colorado at drainage (headwaters of Cole Cyn.) crossing Via Volcano just south of Tenaja Rd. 598 Comment
  RSA391516  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside San Juan Canyon. 762 Comment
  RSA564293  Centaurium venustum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  RSA644312  Centaurium venustum Scott D. White 1995-6-29 3401 Riverside Murrieta area (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. [coordinates are from the label and map incorrectly] 351 Comment
  UCR63956  Centrostegia thurberi Chet McGaugh 1990-7-31 s.n. Riverside Peninsular Range, SW Durasno Valley, south of town of Anza 1372 Comment
  RSA637524  Cercidium floridum Scott D. White 1998-9-1 7099 Riverside East end of Coachella Valley: Bajada between Little San Bernardino Mts. and Indio Hills. Comment
  JOTR01064  Cercidium floridum subsp. floridum Cole, James E. 1941-6-11 864 Riverside Joshua Tree National Park. COTTONWOOD SPRING AREAR; 1/4 MILE BELOW SPRING 914 Comment
  CAS-BOT-BC135495  Cercocarpus betuloides var. betuloides A. M. White 1974-6-4 74 -671 Riverside Indian Rd. ca. 15 mi. W. of Sun City, site 4 Comment
  UCR90419  Cercocarpus minutiflorus D. L. Banks, Steve Boyd 1995-3-30 0112 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  CAS-BOT-BC279538  Chaenactis artemisiifolia A. J. McC. 1892-4-1 s.n. Riverside Near Elsinore Comment
  CAS-BOT-BC279539  Chaenactis artemisiifolia Cecil Hart 1922-5-21 20 Riverside San Jacinto Mt. Comment
  JEPS8905  Chaenactis artemisiifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1274 Riverside San Jacinto River to Strawberry Valley Comment
  RSA543201  Chaenactis artemisiifolia Steve Boyd 1991-5-2 6101 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR167469  Chaenactis carphoclinia 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
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  CHSC29988  Chaenactis carphoclinia var. carphoclinia T. M. Lane 1975-3-24 6 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. 533 Comment
  POM351671  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1903-5-3 2250 Riverside Thermal. Comment
  RSA271141  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, John Dourley, Walter Wisura 1977-5-19 1326 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  CAS-BOT-BC276905  Chaenactis fremontii Munz; Street; Williams 1919-3-28 2464 Riverside Ssan Gorgonio Pass, near Cabazon Comment
  CAS-BOT-BC276915  Chaenactis fremontii L. R. Abrams 1926-3-25 11045 Riverside Between Banning and Cabazon Comment
  POM259906  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  SBBG29427  Chaenactis fremontii D. Myrick 1968-3-2 1793 Riverside Desert Hot Springs 304 Comment
  SD247580  Chaenactis fremontii J. Mark Porter, Leigh A. Johnson 1997-3-10 11464 Riverside Whitewater Canyon, ca. 1.0 mile north of Whitewater (along Interstate 10). 473 Comment
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  RSA528099  Chaenactis glabriuscula var. glabriuscula Steve Myers 1991-4-1 91 -27 Riverside City of Banning, W of Fields Road, N of Interstate 10 & S of the Morongo Indin Reservation 671 Comment
  RSA583749  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA500138  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3672 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  JEPS30505  Chaenactis parishii Donald W. Kyhos 1958-5-16 58 -183 Riverside 1.85 mi up road toward Mount Santa Rosa; San Jacinto Mountains, Mount Santa Rosa Comment
  POM209906  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  RSA644304  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Colorado Desert: Chuckwalla Valley, near Wiley's Well rest area on I-10, along dirt road to McCoy Spring. 122 Comment
  UC894494  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside ca 100 yards e of Spring; Cottonwood Canyon Comment
  UCR90186  Chaenactis stevioides A. C. Sanders 1992-4-4 12148 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA19431  Chaenactis stevioides var. stevioides I. W. Clokey 1935-4-17 6942 Riverside Cottonwood Springs. Comment
  RSA793471  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  RSA0121596  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9106 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
  RSA779949  Chamaesyce polycarpa Duncan S. Bell, Jennifer Pilapil 2011-5-19 2479 A Riverside A side canyon off of Mission Creek canyon approximately 4.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road. 946 Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  SEINET3228169  Chamaesyce polycarpa G. Rink 2012-9-10 11690 a Riverside At the Rio Mesa (proposed) Solar Power Plant about 15 miles southwest of Blytheon the east side of the Mule Mountains 125 Comment
  RSA433503B  Chamaesyce polycarpa Martha Hilend 1928-4-8 165 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA480015  Chamaesyce setiloba Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2140 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA592456  Chamaesyce setiloba L. C. Wheeler 1966-10-15 8983 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  RSA613272  Chamaesyce setiloba L. C. Wheeler 1976-3-30 s.n. Riverside Morongo Wash, 5 miles northwest of Desert Hot Springs. 518 Comment
Read comments
Dec 17 2016
  UC2026401  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10052 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA543748  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6052 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga 600 Comment
  RSA685677  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  UC199915  Cheilanthes clevelandii S. B. and W. F. Parish April, 1882 508 Riverside Potrero San Jacinto Comment
Read comments
Nov 9 2009
  UCR100163  Cheilanthes clevelandii Scott D. White 1992-12-16 984 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  RSA0065476  Cheilanthes covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Highway 74, c. 2 mi. up water service road, below crossing, Santa Rosa Mountains. 1310 Comment
  UCR214309  Cheilanthes newberryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38402 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  CAS-BOT-BC68092  Cheilanthes parryi John Thomas Howell 1927-8-1 2886 Riverside N. Colorado Desert - steep sides of Morongo Canyon 609 Comment
  UCR75040  Cheilanthes parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12154 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA85538  Cheilanthes viscida F. W. Peirson 1922-12-27 4295 Riverside On rough mountain slope between two forks of Andreas Canyon, near Palm Springs 609 Comment
  UCR120310  Chenopodium Mitch Provance 1997-6-18 1102 Riverside City of Riverside, Riverside Community College, between the NE (back) parking lot and Prospect Dr. 244 Comment
  UCR189546  Chenopodium ambrosioides Fred M. Roberts, S. Leatherman 2007-9-19 6583 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA523512  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3970 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UCR133377  Chenopodium californicum Mitch Provance, J. S. Ross 1998-3-27 MOR- 989 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UC447179  Chenopodium murale J. Ewan 1931-4-3 4127 Riverside Wiley Well Colorado Desert Comment
  RSA722345  Chilopsis linearis J. Russell Bruff 1931-4-25 458 Riverside Whitewater Wash 3 mi. west of Palm Springs. Comment
  UCR111993  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR22207  Chilopsis linearis Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mtns., Juniper Flats Rd, just NW of the communication site Comment
  UCR274213  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  RSA264428  Chilopsis linearis subsp. arcuata C. W. Tilforth, Jeff Barnes 1976-7-20 1215 Riverside Wash N of Power Line Road NE of Chiriaco Summit between Indio and Desert Center Comment
  RSA609746  Chilopsis linearis subsp. arcuata R. S. Woglum 1934-4-12 1354 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  UC729735  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside 20 mi w Blythe (on the Mecca Road); Colorado Desert, Chuckwalla Valley 121 Comment
  POM49848  Chlorogalum pomeridianum Philip A. Munz, I. M. Johnston 1924-7-29 8883 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  SEINET238916  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area: Diamond Valley along State Street (R3) ca. 1/2 mi. N of Newport Rd. S of Hemet (Hemet 7. 488 Comment
  UCR214156  Chorizanthe brevicornu T. B. Salvato 2010-4-20 4055 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CAS-BOT-BC191700  Chorizanthe brevicornu var. brevicornu John Thomas Howell 1928-3-25 3555 Riverside 10 miles S of Palm Springs on road to Indio, Colorado Desert Comment
  CAS-BOT-BC191707  Chorizanthe brevicornu var. brevicornu H. M. Hall 1905-5-1 6029 Riverside Near PInto Mts. Comment
  CAS-BOT-BC191710  Chorizanthe brevicornu var. brevicornu Ivan Johnston 1917-4-4 1105 Riverside near Palm Springs. Colorado Desert Comment
  SBBG87405  Chorizanthe brevicornu var. brevicornu A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6011 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR167859  Chorizanthe coriacea T. B. Salvato, Melissa Clemons 2005-6-2 1332 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
  RSA681030  Chorizanthe corrugata Scott D. White, Michael Honer 2003-5-14 9264 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA525274  Chorizanthe fimbriata Steve Boyd, Laurel Artnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4588 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC1543904  Chorizanthe fimbriata var. laciniata Barbara Ertter with Jeffrey L. Strachan 1980-5-22 3489 Riverside hills on e side Dripping Springs Campground (Cleveland National Forest near Highway 79 between Aguanga and Temecula, n of Wild Horse Park); Cleveland National Forest, n of Wild Horse Park 609 Comment
  RSA784515  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 72 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  RSA407731  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  SD225064  Chorizanthe polygonoides var. longispina D. Bramlet 1995-4-26 2396 Riverside Shipley Multi-species Reserve/Lake Skinner Co. Park: Approx 274 m. north of road BM 1487 and 549m. South of Tucalota Creek; South end of the equestrial trail on the upper end of a large epheneral wash. Bachelor Mountain 7.5 Quad 487 Comment
  UCR155809  Chorizanthe polygonoides var. longispina Chris E. True 2005-4-25 s.n. Riverside Temecula Region, summit of Oak Mountain, north of Vail Lake 823 Comment
  UCR275481  Chorizanthe polygonoides var. longispina T. B. Salvato, Melissa Clemons 2005-6-9 1510 Riverside Peninsular Range, Gavilan Hills, N/S trending bulldozer track 0.83 mile north of the Nichols Road junction with Hwy 15, and c. 3 miles north of Lake Elsinore 488 Comment
  UCR31330  Chorizanthe polygonoides var. longispina A. C. Sanders 1980-5-1 1365 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  CAS-BOT-BC257202  Chorizanthe procumbens Alice Eastwood; John Thomas Howell 1937-4-24 3911 Riverside Summit of Santa Ana Mts. above Elsinore Comment
  RSA607655  Chorizanthe procumbens R. S. Woglum 1938-5-1 1604 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
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Jun 9 2012
  RSA263673  Chorizanthe staticoides E. W. Lathrop 1968-6-2 6955 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  SEINET3087441 Image available Chorizanthe xanti B. Pitzer 1986-4-26 190 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (Whitewater 7.5' quad). 732 Comment
  POM229445  Chorizanthe xanti var. leucotheca P. A. Munz 1937-5-29 s.n. Riverside Palms to Pines Hwy, north slope of Santa Rosa Moutains. 1067 Comment
  UCSB16204  Chrysolepis sempervirens Barrick, Linda 1963-5-4 Riverside near Black Mountain Public Campground, 7 mi. N of Banning- Idyll- wild Road via Black Mountain Road 2133 Comment
  UCR34882  Chrysothamnus nauseosus L. B. Ziegler 1977-10-24 576 Riverside San Jacinto Mtns., Black Mtn. Campground 2287 Comment
  UCR279518  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-27 43118 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
  UC604862  Chylismia cardiophylla subsp. cardiophylla Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9569 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  CAS-BOT-BC160582  Chylismia claviformis subsp. aurantiaca N. Aitkenhead 1977-2-2 2185 Riverside ~1 mi. from intersection of JT Mon Rd & pipeline Comment
  CAS-BOT-BC160592  Chylismia claviformis subsp. aurantiaca L. A. Greata 1905-4-1 s.n. Riverside [Coachilla] Coachella Comment
  UC1184366  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside alluvial fan Fargo Canyon Comment
  RSA191739  Cistanthe monandra R. F. Thorne 1963-3-29 32420 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA4964  Cistanthe monandra C. B. Wolf 1932-4-27 3033 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  RSA653427  Cistanthe monandra Scott D. White 1999-5-24 7394 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA65413  Cistanthe monandra F. W. Peirson 1921-4-13 4317 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  UC454554  Clarkia dudleyana I. J. Condit 1910-6-23 Riverside road to Idyllwild; San Jacinto Mt. 914 Comment
  UCR35207  Clarkia dudleyana L. B. Ziegler 1972-6-5 472 Riverside San Jacinto Mtns., canyon at lower end of Poppet Flats. 1067 Comment
  UCR35361  Clarkia epilobioides L. B. Ziegler 1969-5-12 360 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  UCR154734  Clarkia purpurea T. B. Salvato, Kent Beaman 2005-5-16 765 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
  RSA678429  Clarkia purpurea subsp. quadrivulnera Michael Wall 2003-4-26 297 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  UC20333  Clarkia purpurea subsp. quadrivulnera H. M. Hall June, 1901 Riverside s side Small Valley; San Jacinto Mountains 1310 Comment
  UCR178964  Clarkia rhomboidea Mitch Provance, Tracy Tennant 1998-6-16 MOR- 395 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  RSA586735  Clarkia similis D. L. Banks, Steve D. Boyd 1995-5-17 458 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCR44184  Clarkia similis A. C. Sanders, B. Pitzer 1986-4-30 6476 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UCR121656  Claytonia parviflora subsp. viridis A. C. Sanders 1995-4-13 16488 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR214581  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37849 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  OBI52754  Claytonia perfoliata subsp. perfoliata Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl 381 Comment
  UCSB1947  Clematis lasiantha DeWitt, Jack 1959-5-18 Riverside 5.1 miles 1. of Banning on Rd. to San Jacinto Mtns. and Idyllwild 762 Comment
  SEINET10397644  Clematis lasiantha Robert L. Rutherford 1945-6-17 1669 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA615150  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  UCR21840  Clematis pauciflora 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
  SEINET3089077 Image available Cleome isomeris C. F. Shutts 1949-3-19 57 Riverside Cottonwood Pass, Little San Bernardino Mtns. 305 Comment
  RSA0117437  Collinsia concolor Michael Wall 2003-4-26 302 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  SD187478  Collinsia concolor Scott D. White, Angelia Carey 2004-4-16 10160 Riverside San Jacinto Mountain foothills;Indian Creek and adjacent slopes 548 Comment
  RSA559962  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1992-4-23 7073 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  GMDRC6572  Collomia grandiflora J. M. Andre 2012-6-15 30528 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  HSC28498  Colubrina californica Richard Spjut 1973-4-10 3296 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  JOTR30263  Colubrina californica Leary, Pat 1987-5-21 3833 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  JOTR35329  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  RSA0047077  Colubrina californica Amber Swanson, Linda Jean Foster 2011-10-8 644 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  HSC27841  Condalia globosa var. pubescens Richard Spjut 1973-5-3 3344 Riverside Colorado Desert, canyon in Chuckawalla Mtns. NW of Corn Springs 610 Comment
  RSA463104  Conium maculatum Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
Read comments
May 6 2020
  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
  UCR241383  Convolvulus simulans T. B. Salvato, Mike Landers 2013-3-21 7385 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  CAS-BOT-BC288999  Coreopsis John H. Thomas 1957-3-30 6565 Riverside Joshua Tree National Monument. About 3 miles SE of White Tank near the road to Cholla Cactus Garden.About 20 miles NE of Indio 883 Comment
  RSA552693  Coreopsis californica Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA596182  Corethrogyne filaginifolia var. filaginifolia D. L. Banks 1996-11-7 1208 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., 0.5 km W of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 426 Comment
  SDSU13703  Corethrogyne filaginifolia var. filaginifolia James C. Dice, J. D. Tenhunen 1987-9-9 723 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northwest 1/4 of northwest 1/4 of section 35. 378 Comment
  SD119917  Cornus nuttallii Louis B. Ziegler 1970-5-20 405 Riverside San Jacinto Mountains; North Fork of the San Jacinto River. 1675 Comment
  CAS-BOT-BC427598  Crassula aquatica Robert F. Thorne; Earl Lathrop 1969-5-12 37923 Riverside Santa Rosa Plateau: on S end of Mesa de Colorado, Rancho California. 624 Comment
  UCR153366  Crassula connata LeRoy Gross, Valerie Soza 2003-5-8 830 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  HSC79298  Croton californicus G. K. Helmkamp 1983-10-8 - 37 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  RSA0034095  Croton californicus Duncan S. Bell 2013-1-30 4455 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA480579  Croton californicus W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs 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
  RSA757623  Croton californicus LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4335 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
  SD216474  Croton californicus Carol R. Annable 1995-3-9 2255 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UC868665  Croton californicus Milo S. Baker 1928-4-4 2873 Riverside Palm Springs-Banning hwy Snow River Comment
  UCR178330  Croton setiger T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 600 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, sag pond at Burro Flats, tree stand P-10 1098 Comment
  RSA522096  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  UCR193874  Cryptantha A. C. Sanders, Mitch Provance 2008-7-11 35820 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA707355  Cryptantha angustifolia Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 4 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 N 91 Comment
  SD39167  Cryptantha angustifolia Edith A. Purer 1935-4-21 6465 Riverside Western edge of Colorado Desert near Palm Springs Comment
  UC1114587  Cryptantha angustifolia Peter H. Raven 1958-1-24 11441 Riverside Fargo Canyon Comment
  UCD80957  Cryptantha angustifolia Chuck Hughes 2009-3-23 58 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR148325  Cryptantha angustifolia John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  NY43471  Cryptantha barbigera C. R. Annable 1995-3-10 2264 Riverside 1.6km S of Lake Cahuilla County Park Comment
  UCSB16538  Cryptantha barbigera Breedlove, Dennis 1962-3-11 Riverside Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  JOTR29608  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-26 6745 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA787696  Cryptantha costata Duncan S. Bell 2012-4-5 3308 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 141 Comment
  JOTR30319  Cryptantha decipiens Andre, Jim, Tasha La Doux 2008-3-21 8840 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  POM368285  Cryptantha intermedia H. de Forest 1933-4-16 17612 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  RSA674971  Cryptantha intermedia Scott D. White, Teresa Salvato 2001-6-8 8580 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SDSU13533  Cryptantha intermedia W. Miller with C. Mosse 1972-7-5 Riverside Comment
  UC402785  Cryptantha intermedia Charlotte M. Wilder 1907-4-6 875 Riverside e end San Gorgonio Pass; Colorado Desert, Whitewater Comment
  UC78664  Cryptantha intermedia C. R. Orcutt Riverside Colorado Desert Comment
  UCR165395  Cryptantha intermedia A. C. Sanders 2005-4-21 29576 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR188670  Cryptantha intermedia Amanda Lovelady, Tina Hofmann 2007-5-20 30 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UCR43757  Cryptantha intermedia A. C. Sanders, B. Pitzer 1986-4-30 6491 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UCR91433  Cryptantha intermedia Scott D. White 1995-3-30 2642 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
  SDSU21778  Cryptantha juniperensis A. C. Sanders 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area: Remescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinor RR route between I-5 and Temescal Cyn. Rd., c 10 miles south of Corona 319 Comment
  SD87813  Cryptantha maritima Frank W. Peirson 1935-4-17 11474 Riverside 30 miles north of Blythe on small alluvial flat along the Colorado River Comment
  UCR103585  Cryptantha maritima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2716 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR148449  Cryptantha maritima John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA703365  Cryptantha maritima var. pilosa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1447 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC1114560  Cryptantha micrantha Peter H. Raven 1958-2-16 11621 Riverside 3.9 mi s Rice Comment
  UCR279392  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jim Malusa 2017-3-24 42985 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  POM12804  Cryptantha micrantha var. lepida P. A. Munz 1922-6-26 5839 Riverside Santa Rosa Mtns. Santa Rosa [peak?] 1982 Comment
  UCR177331  Cryptantha micrantha var. micrantha Scott D. White, Michael Honer 2003-5-13 9242 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  OBI42568  Cryptantha microstachys A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mts, Bee cyn along the rd, 1.1 mi above the mouth of the cyn at the San Jacinto River Valley 701 Comment
  RSA543584  Cryptantha microstachys Steve Boyd 1991-5-7 6166 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA735924  Cryptantha microstachys Scott D. White, Justin Wood 2008-5-29 12047 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  SD247355  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside San Jacinto Mountains: Coldwater Creek watershed, ca. 1.25 miles ENE of Mountain Center, nameless tributary to Coldwater Creek, north of Johnson Meadow, above mapped spring. 1524 Comment
  UC1595623  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside w flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR213616  Cryptantha microstachys A. C. Sanders, Matthew Malle 2010-4-23 38010 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCSB38660  Cryptantha muricata Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  RSA0079250  Cryptantha muricata var. jonesii F. M. Reed 1925-5-23 5049 Riverside Horsethief Canyon, Temescal Mountains. Comment
  UCR193359  Cryptantha nemaclada A. C. Sanders, Tim Thomas 2008-6-20 35550 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA0120468  Cryptantha oxygona Duncan S. Bell 2016-4-16 9313 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC1168705  Cryptantha pterocarya Peter H. Raven 1958-3-16 11854 Riverside below Cottonwood Springs; Joshua Tree National Monument Comment
  JOTR35146  Cryptantha racemosa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3258 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  SD143997  Cryptantha racemosa A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15814 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell. 550 Comment
  UCR208133  Cryptantha racemosa F. W. Peirson 1921-3-23 2377 Riverside Sonoran (Colorado) Desert, Deep Canyon 335 Comment
  UCR37628  Cryptantha racemosa George K. Helmkamp 1984-5-2 D 14 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA264579  Cucurbita palmata C. W. Tilforth, John Dourley, W. Wisura 1977-5-19 s.n. Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  UCR187360  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06- 349 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., north of Leon Rd. 550 Comment
  UCR281883  Cuscuta Mitch Provance 2012-11-9 1112- 12 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  SDSU16681  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  POM222642  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR117106  Cylindropuntia californica var. californica A. C. Sanders, T. B. Salvato 2001-5-16 24310 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR97434  Cylindropuntia californica var. parkeri B. G. Pitzer 1997-4-1 3050 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA0034401  Cylindropuntia chuckwallensis Michelle Cloud-Hughes 2013-3-17 087 Riverside Corn Springs, north side of Chuckwalla Mountains, 12 km SSE of Desert Center, 85km east of Indio, 67km west Blythe. 500 Comment
  SD229117  Cylindropuntia ganderi Dick Schwenkmeyer 2012-10-16 852 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  RSA613629  Cynodon dactylon D. L. Banks, Victor Steinmann 1997-3-13 1488 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
  SEINET3926479  Cynodon dactylon Sears 1977-10-12 S 568 Riverside Corn Springs. Desert Palm Oasis.; 0 512 Comment
  RSA788097  Cyperus eragrostis Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49551 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR111755  Cyperus eragrostis 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
  UCR92057  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  POM12143  Cyperus odoratus Mary F. Spencer 1688 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
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Mar 30 2013
  UCD141139  Cyperus rotundus Malcolm A. Nobs; S. Galen Smith 1948-9-3 503 Riverside Thermal. Imperial Valley. Comment
  RSA607912  Cystopteris fragilis L. C. Wheeler 1961-6-20 7887 Riverside West fork of Tahquitz Creek. 2378 Comment
  RSA797251  Cystopteris fragilis R. F. Thorne, Walter Wisura 1977-9-17 50789 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  POM9800  Cystopteris fragilis E. C. Jaeger 1921-6-15 274 Riverside San Jacinto Mountains: below Round Valley. Comment
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Nov 19 2011
  LA109893  Cytisus striatus A. C. Sanders; Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large venal pool on the S side of Murrieta Hot Springs Rd., E of Via Princesa and N of Calle del Lago 347 Comment
  SEINET893061  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-1 11142 Riverside Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa and north of Calle del Lago. 347 Comment
  UC1007185  Dalea mollis Philip A. Munz 1940-3-23 15689 Riverside Gold Crown Mine Mohave Desert, Pinto Mts., Gold Crown Mine 914 Comment
  RSA718772  Dasyochloa pulchella Michael Honer, L. Hulse 2004-4-4 1929 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  UCD107685  Datisca glomerata Charles B. Fiker 1946-6-17 3601 Riverside San Mateo Canyon, Fallbrook. Comment
  RSA792832  Datura wrightii Justin M. Wood, Dustin Ray 2011-4-28 3846 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UCR480  Datura wrightii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, About 3 mi east of Mecca on Box Canyon Road 0 Comment
  UCR108850  Daucus pusillus Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR182524  Daucus pusillus Mitch Provance 2005-5-17 6575 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  CAS-BOT-BC293823  Deinandra fasciculata Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore 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
  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-BC294116  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside Lower St. Johns Canyon south of Hemet Comment
  CAS-BOT-BC294120  Deinandra kelloggii Virginia Moran 2003-5-22 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  SBBG35224  Deinandra kelloggii T. L. Secrest 1951-5-18 Riverside San Jacinto River bed Comment
  SD236199  Deinandra mohavensis Marsia Narog, Mark Parlow 2008-8-13 Riverside Peninsular Range; San Jacinto Mtns.: Poppet Flats, NW of Poppet Flats Road, west intersection of Ellis Dr. and Fox Dr. 1086 Comment
  UCR253002  Deinandra mohavensis R. E. Riefner Jr. 2013-6-15 13- 118 Riverside Garner Valley, north side of Hwy 74 c. 0.45 mi east of Thomas Mountain Road (Forest Route 6S130), Little Thomas Mountain area 1386 Comment
  CAS-BOT-BC131031  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  CAS-BOT-BC534057  Deinandra paniculata D. E. Bramlet; Bill Wagner 2009-10-19 4403 Riverside Peninsular Range: Riverside, Sycamore Canyon Reserve, c. 0.75 km N of Allesandro Blvd., W of Sycamore Canyon Blvd, along dirt pole line road 470 Comment
  RSA0012175  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  RSA736955  Deinandra paniculata Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 22 Riverside W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  CLARK-A1528-781  Delphinium nuttallianum Heather Hanson 1966-5-12 Riverside San Jacinto Mountains 1066 Comment
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Nov 20 2015
  SEINET238578  Delphinium parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  RSA343878  Delphinium parryi Robert F. Thorne 1985-5-18 60668 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 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
  UCR49250  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  IRVC26833  Delphinium parryi subsp. parryi S. D. White 1997-2-28 4711 Riverside Elsinore Basin, SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy 457 Comment
  RSA0029900  Delphinium patens subsp. montanum Justin M. Wood 2009-5-11 681 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  CAS-BOT-BC82951  Dendromecon rigida Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-23 254 Riverside Along Banning Idyllwild road, San Jacinto Mountains. 914 Comment
  SD229211  Dendromecon rigida Dick Schwenkmeyer 2012-4-18 707 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
  CAS-BOT-BC198170  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside Menifee Valley Comment
  UCD114666  Descurainia pinnata C. L. Hitchcock; C. V. Muhlick 1962-3-16 22133 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
  UCR279340  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-23 42948 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  UCR244400  Descurainia pinnata subsp. glabra Jim Andre 2012-4-16 20981 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
  POM48535  Descurainia pinnata subsp. halictorum F. M. Reed 1925-3-17 4942 Riverside Palm Springs Comment
  JOTR01031  Descurainia pinnata subsp. ochroleuca Cole, James E. 1941-4-15 599 Riverside Joshua Tree National Park. 1 MILE ABOVE PINON WELL 1493 Comment
  POM13863  Dicentra chrysantha P. A. Munz 1922-4-29 5083 Riverside West of Lake Elsinore; base of elsinore mountains. 488 Comment
  SEINET3152113  Dicentra chrysantha M. F. Gilman 1904-1 25 Riverside Banning Comment
  UCSB840  Dichelostemma capitatum Kamb, Peter 1947-6-8 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  RSA367463  Dichelostemma capitatum subsp. capitatum F. A. Thackery 1927-3-30 289 Riverside Banning Comment
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Mar 13 2011
  RSA501071  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3189 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  POM306763  Dicoria canescens Henry J. Ramsey, Henry J. Ramsey 1937-11-20 1634 Riverside Coachella Valley Comment
  CAS-BOT-BC150924  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside Near Mecca Comment
  SEINET229299 Image available Diplacus bigelovii var. bigelovii Leila M. Shultz, John S. Shultz 1985-1 8346 Riverside Chuckawalla Mountains, alluvial fans at Alligator rock 335 Comment
  CAS-BOT-BC152911  Diplacus brevipes Cecil Hart 1922-5-21 15 Riverside San Jacinto Pk. Comment
  CAS-BOT-BC152268  Diplacus clevelandii John Thomas Howell 1931-5-30 6604 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  CAS-BOT-BC150868  Diplacus puniceus C. L. Hitchcock; C. V. Muhlick 1964-3-17 23105 Riverside 10 miles n. of Pala, on road to Elsinore Comment
  CAS-BOT-BC150869  Diplacus puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan Hills 457 Comment
  RSA0019297  Diplacus puniceus D. L. Banks 1997-3-16 1532 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
  SDSU13686  Diplacus puniceus Janet M. Knotts, Jill Steinberg 1998-4-22 22 IV1998B Riverside A few ft. E of strea on N side of footpath, ca. 0.5 mile NW of SDSU Santa Margarita Field Station, north of Santa Margarita River. 354 Comment
  CDA20244  Ditaxis neomexicana A. Gilbert, J. Ball 1984-9-18 PDR 592844 Riverside Sonoran Desert; Temporary water area, desert. 0 Comment
  POM171288  Ditaxis serrata var. californica I. M. Johnston 1930-6-15 3773 Riverside North of Mecca-Blythe road in canyons at SE end of Eagle Mountains Comment
  POM14206  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4983 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash 91 Comment
  RSA530740  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Palm Springs Station; Colorado Desert 400 Comment
  RSA691086  Dithyrea californica Scott D. White 2001-4-18 8361 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  SFV4379  Dithyrea californica F. M. Ball 1964-1-4 66 1 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  RSA753539  Dodecahema leptoceras M. Wall 2009-6-12 524 Riverside Bautista Creek off Bautista Canyon Rd. ca. 8 miles SE of jct. with Faiview Ave. Hemet 732 Comment
  SD132880  Downingia bella Tim Cass 1979-6-1 204 Riverside Mesa de Colorado, Pool C Comment
  UC1348972  Downingia cuspidata Robert F. Thorne, E. Lathrop, and P. Munz 1968-5-8 37571 Riverside Mesa de Colorado Santa Rosa Plateau 670 Comment
  UCR222296  Downingia cuspidata R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55199 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UC489272  Draba corrugata var. saxosa C. V. Meyer 1928-7-27 549 Riverside San Jacinto Peak 3291 Comment
  LA204314  Draba cuneifolia Carl Epling; 1941-4-5 sn Riverside Palms to Pines Highway Comment
  UC856127  Draba cuneifolia P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4781 Riverside vicinity Corn Springs (Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains 457 Comment
  POM370052  Draba cuneifolia var. integrifolia Lester H. Cushman 1932-2-22 14918 Riverside Eden [Eden Hot Springs? -SW] Comment
  UCR18804  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside San Bernardino Valley, [upper] Reche Canyon 549 Comment
  RSA708420  Draba verna Scott D. White, James Huelsman 2005-2-18 10787 Riverside Anza. Just East of Cary Rd. and N. of Hwy 371. 1143 Comment
  SEINET12218619  Dudleya formosa S. B. Parish, Parish, W. F. 1880-1 588 Riverside White Water Comment
  POM10286  Dudleya multicaulis Charlotte M. Wilder 1905-5-31 583 Riverside West Riverside Plains Comment
  UCR180697  Dudleya multicaulis Mitch Provance 2003-4-26 9880 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC109604  Dudleya saxosa subsp. aloides Reid Moran 1941-5-3 834 Riverside Whitewater, near Banning. 300 Comment
  CAS-BOT-BC109614  Dudleya saxosa subsp. aloides P. A. Munz; P. C. Everett 1952-5-2 16233 Riverside Dry Morongo Wash, northwest end of Coachella Valley. 457 Comment
  RSA303443  Dudleya saxosa subsp. aloides J. R. Shevock 1971-5-8 1036 Riverside White Tank, Joshua Tree National Monument. 1021 Comment
  UC489261  Dudleya saxosa subsp. aloides C. V. Meyer 1928-7-24 521 Riverside Idyllwild Falls San Jacinto Mtns Comment
  CAS-BOT-BC109724  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-3 834 Riverside Whitewater, near Banning. 300 Comment
  UCR280930  Dysphania pumilio Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 33 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR59537  Echinocereus engelmannii subsp. engelmannii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3581 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  POM148751  Echinodorus berteroi J. B. Feudge 1927-6-1 1621 Riverside Lake Mystic. Comment
  CLARK-A1528-5516  Eclipta alba John C. Roos 1965-7-5 Riverside Thermal 36 Comment
  SEINET954735  Ehrharta longiflora Tom Chester 2005-1 581 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  POM13142  Elatine californica P. A. Munz, I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley, San Jacinto Mts.; Garner Ranch 1387 Comment
  RSA198948  Elatine californica R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37452 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  RSA234013  Elatine californica R. F. Thorne, E. W. Lathrop 1969-6-6 39320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  RSA754124  Eleocharis acicularis W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 15 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  HSC97606  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert, Coachella Valley, 84th Ave. E of Johnson St., near W edge of Salton Sea -67 Comment
  UCR75302  Eleocharis macrostachya A. C. Sanders 1993-4-5 13699 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
  UCR90340  Eleocharis montevidensis Scott D. White 1995-6-29 3409 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA743553  Eleusine coracana subsp. africana R. E. Riefner 2003-12-20 3 -548 Riverside Near Jurupa, Hellman Ave. at Pine Ave. 195 Comment
  RSA741059  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside Quinn Flat Meadow. 1372 Comment
  UC38217  Elymus elymoides subsp. elymoides H. M. Hall 1901-6-10 2065 Riverside San Jacinto Mountains; s side 1615 Comment
  UCR213879  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12124 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  SD232145  Elymus triticoides Scott D. White, Justin M. Wood 2008-7-8 12392 Riverside Mesic meadow and dry meadow margins 438 Comment
  POM126257  Emmenanthe penduliflora Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  RSA314457  Emmenanthe penduliflora Robert F. Thorne 1983-4-23 55466 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA676262  Emmenanthe penduliflora Scott D. White 2001-4-3 8230 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA747732  Emmenanthe penduliflora Scott D. White, Justin M. Wood 2009-3-24 12571 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR104918  Emmenanthe penduliflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20651 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
  UCR213538  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37808 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  JOTR31047  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2030 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  POM12006  Encelia actoni Mary F. Spencer 1921-7-16 1188 Riverside In canyon near San Jacinto. Comment
  RSA775808  Encelia actoni Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 888 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  SD224838  Encelia actoni Scott D. White, Steve Myers 1995-10-21 3725 Riverside Eastern foothills of San Jacinto Valley, Santa Rosa Hills, S of Hemet; foothills just above orange grove 609 Comment
  UC31391  Encelia actoni Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Southern California, San Jacinto Valley Comment
  UCR177275  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR60931  Encelia actoni Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3723 Riverside Peninsular Range, Vail Lake area, recently burned hills SE of lake, south of Hwy 79 488 Comment
  LA202447  Encelia farinosa A. M. Johnson; 1932-3-20 3904 Riverside Indian Wells, below Palm Springs Comment
  OBI2899  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  UC1979537  Encelia farinosa Darin L. Banks, Peter Morrell 1995-5-4 306 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  UC51604  Encelia farinosa Jos. Burtt Davy 1902-4-2 8041 Riverside Salton Comment
  UCD131213  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley near Eden P.O. Comment
  UCR119416  Encelia farinosa Mitch Provance 1998-2-13 42 Riverside Jurupa Mountains, Glen Avon Hts., .2 km. north of Campbell St., along the SW portion of the range. 262 Comment
  UCR120933  Encelia farinosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24933 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR138725  Encelia farinosa Julie A. Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area 476 Comment
  POM122186  Encelia farinosa var. farinosa Marcus E. Jones 1926-2-15 S.N. Riverside Near Indio. Comment
  POM656671  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-9 3324 Riverside Blythe. 81 Comment
  RSA26861  Encelia farinosa var. farinosa I. L. Wiggins 1941-3-24 9577 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UCR214879  Encelia frutescens A. C. Sanders 2010-3-23 37549 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA129441  Ephedra californica H. S. Yates 1937-3-23 6413 Riverside 3 miles north of Palm Springs 213 Comment
  RSA697719  Ephedra californica J. R. Bruff 1928-4-1 79 Riverside Whitewater Comment
  UCR178557  Ephedra californica R. G. Swinney 1967-2-12 0020 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  JEPS20725  Ephedra trifurca Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13265 Riverside 2.1 mi s of Rice (on road to Midland and Blythe) Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  POM153434  Epilobium canum subsp. latifolium Martha Hilend 1927-12-31 s.n. Riverside Cottonwood Springs. South edge of Mojave Desert. Comment
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Sep 20 2011
  RSA24175  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-31 9759 Riverside Colorado Desert; Cottonwood Springs, Eagle Mountains. 290 Comment
  RSA736659  Epilobium ciliatum subsp. ciliatum Justin M. Wood 2008-7-16 27 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 31 2009
  RSA80634  Epilobium densiflorum F. W. Peirson 1924-7-29 5033 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  POM9736  Equisetum hyemale var. affine E. C. Jaeger 1921-6-18 s.n. Riverside Tahquitz Creek. San Jacinto Mountains 2134 Comment
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  SEINET1909845  Eragrostis A. C. Sanders 1997-1 21627 Riverside Moreno Valley: March Air Base, near Riverside (Riverside East 7.5 Q.). 466 Comment
  JOTR29222  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1335 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UCR2383  Eragrostis cilianensis F. M. Reed 1927-10-25 5520 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  UCR2379  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 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
  RSA682319  Eragrostis pectinacea var. pectinacea A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15770 Riverside San Jacinto Mts. N slope of mts.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing., (116 deg 48'W, 33 deg 53'N 854 Comment
  POM12862  Eremogone ferrisiae P. A. Munz 1922-6-29 5893 Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  SEINET259019  Eremopyrum bonaepartis B. L. Johnson G 914 Riverside CULTIVATED; Grown at University of California Los Angeles Comment
  CAS-BOT-BC160064  Eremothera boothii subsp. condensata F. H. Billings 1926-2-1 31 Riverside Near Indio Comment
  JOTR33990  Eremothera boothii subsp. desertorum La Doux, Tasha, M. Harding 2010-4-7 2878 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  JOTR36441  Eremothera refracta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3412 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
  SBBG100304  Eremothera refracta W. L. Halvorson 1977-2-5 77 -8 Riverside near jct of I-10 and rd to Joshua Tree Nat Monument Comment
  UCD170705  Eremothera refracta B. Pitzer 1998-1-24 3380 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd, and wash directly S of rd. 500 Comment
  RSA0105503  Eriastrum densifolium subsp. austromontanum John F. Emmel 1978-7-17 615 Riverside Santa Rosa Mountains; Mountain Home Springs. 1921 Comment
  UCD118299  Eriastrum densifolium subsp. densifolium Nancy Ryan Zabriskie; Harold J. Ryan 1972-7-25 530 Riverside Immediately N of Vista Grande Forestry Station at turn-in to Mellor Ranch Road, R side going up Banning-Idyllwild Road; cismontane San Jacino Mountains. 1493 Comment
  RSA0120077  Eriastrum eremicum subsp. eremicum Scott D. White, Andrea Warniment 2006-3-22 11273 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC73654  Eriastrum eremicum subsp. eremicum M. F. Gilman 1904-1 21 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC514450  Eriastrum eremicum subsp. eremicum Philip A. Munz; R. D. Harwood 1950-4-4 3526 Riverside Pass S of Palm Springs 152 Comment
  CAS-BOT-BC514457  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11089 Riverside Between Edom and Garnet, east of San Gorgonio Pass Comment
  RSA0121573  Eriastrum sapphirinum subsp. dasyanthum J. B. Feudge 1924-5-20 898 Riverside Cabazon, Colorado Desert 542 Comment
  RSA0121557  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17283 Riverside 6.7 miles W along Highway 74 from junction with road from Idyllwild. 915 Comment
  RSA0122947  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1962-7-26 8180 Riverside Temescal Valley. Comment
  CAS-BOT-BC123853  Eriastrum sapphirinum subsp. sapphirinum Blanche Trask 1903-11-1 s.n. Riverside San Jacinto Mountains Comment
  UCSB16708  Eriastrum sapphirinum subsp. sapphirinum Dearing, Hugh; Dearing, Margaret 1940-6-8 Riverside Pines to Palms Highway west of Ribbonwood Comment
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Nov 19 2011
  UCR232778  Ericameria cuneata William Schlegel, Kate Kramer 2009-11-9 062 Riverside Peninsular Range; San Jacinto Mtns., Keenwild Helibase, right below the landing platform and on edge of platform 1509 Comment
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  POM305655  Ericameria linearifolia Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1011 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA525431  Ericameria linearifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4540 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA725934  Ericameria linearifolia R. E. Riefner 2006-3-4 06 -48 Riverside Near Anza, c. 1.5 mi. west from Pine Meadow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  GMDRC2526  Ericameria nauseosa var. mohavensis J. Andre, T. La Doux 2007-9-6 8703 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  UCSB45912  Ericameria palmeri Clarke, Oscar 1969-10-14 Riverside Box Springs Mtns.; by the entrance to the University of California at Riverside Botanic Garden Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  UCR266378  Ericameria palmeri var. pachylepis D. E. Bramlet, Bill Wagner 2009-10-19 4404 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  RSA782141  Ericameria paniculata Stephanie Rockwood, Christi Gabriel 2011-10-18 145 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  JEPS41493  Erigeron breweri var. jacinteus Carl V. Meyer 1928-7-31 609 Riverside Tahquitz Peak; San Jacinto Mts., Tahquitz Peak 2682 Comment
  SEINET7062959  Erigeron foliosus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  UCSB26815  Erigeron foliosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mtns. 2377 Comment
  JEPS41514  Erigeron foliosus var. foliosus W. L. Jepson 1901-5-24 1419 Riverside Van Deventer's Ranch Santa Rosa Mts. 1493 Comment
  SEINET238580  Erigeron foliosus var. foliosus Scott D. White 1997-5-25 5248 B Riverside Hills S of Patton Ave. and W of Winchester Rd. ca 2 air miles SW of jtn. Winchester Rd./ Simpson Ave. 457 Comment
  UCR7884  Erigeron strigosus O. F. Clarke 1968-9-10 s.n. Riverside University of California, Riverside. Botanic Garden 412 Comment
  CLARK-A1528-4616  Eriochloa aristata John C. Roos 1937-8-20 477 Riverside Blythe Comment
  UCR59841  Eriochloa contracta George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  CSUSB103  Eriodictyon crassifolium Kenneth Hibberd 1966-3-27 660327 7 Riverside One mile north of northwest corner of Lake Elsinore. 426 Comment
  POM305416  Eriodictyon crassifolium Henry J. Ramsey, Henry J. Ramsey 1938-5-4 637 Riverside Elsinore Comment
  POM3890  Eriodictyon crassifolium I. M. Johnston 1917-4-4 1072 Riverside Palm Canyon 229 Comment
  RSA456545  Eriodictyon crassifolium L. B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch, Hemet Valley, San Jacinto Mtns. Comment
  UC24074  Eriodictyon crassifolium H. M. Hall June, 1901 2006 Riverside western base San Jacinto Mountains; western base San Jacinto Mountains Comment
  CAS-BOT-BC189126  Eriodictyon crassifolium var. crassifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  RSA342547  Eriodictyon trichocalyx Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54099 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA296158  Eriodictyon trichocalyx Barry A. Prigge 1980-8-5 3827 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  RSA757788  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 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
  CAS-BOT-BC248623  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2133 Comment
  CAS-BOT-BC248628  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC248629  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  RSA239199  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2860 Riverside Along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74, and 1.2 mile south of Alandale Ranger Station Comment
  RSA393081  Eriogonum apiculatum Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
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Nov 6 2011
  RSA766438  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 1264 Riverside Tahquitz Peak, San Jacinto Mts. 1829 Comment
  UC496521  Eriogonum apiculatum Philip A. Munz 1932-10-16 12846 Riverside road from Indio to Vandeventer Flat; Santa Rosa Mts. 1158 Comment
  UCR24892  Eriogonum apiculatum A. C. Sanders 1980-7-18 1640 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA679191  Eriogonum apiculatum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1454 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  JOTR36396  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3348 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA393467  Eriogonum davidsonii Anstruther Davidson 1892-7-3 s.n. Riverside San Jacinto. Comment
  RSA393472  Eriogonum davidsonii H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  RSA785066  Eriogonum davidsonii Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 74 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  SD60831  Eriogonum davidsonii Peter H. Raven 1956-6-30 9544 Riverside Deserty flats 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  UCR193746  Eriogonum davidsonii A. C. Sanders, Mitch Provance 2008-7-11 35750 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR60526  Eriogonum davidsonii B. A. Prigge 1980-8-25 4021 Riverside San Jacinto Mtns, San Gorgonio Pass: 1 mi SE of Fingal siding, So. Pacific RR 445 Comment
  CLARK-A1528-735  Eriogonum fasciculatum subsp. foliolosum Fred B. Essig 1964-1-11 9 Riverside Corona Comment
  UC1032043  Eriogonum fasciculatum var. fasciculatum N. French 1934-1-10 16 Riverside ne Temecula Indian Res.; San Luis Rey Quadrangle Comment
  JOTR32460  Eriogonum fasciculatum var. flavoviride La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2605 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  RSA239205  Eriogonum fasciculatum var. foliolosum James L. Reveal, Caroline G. Reveal 1972-8-6 2842 a Riverside Along California Highway 71 north of the junction of Highway 74 at Elsinore, 2 miles north of Elsinore. Comment
  HSC47417  Eriogonum fasciculatum var. polifolium Richard Spjut, C. E. Edson 1978-5-5 5016 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. Comment
  POM230616  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P. O. 1360 Comment
  RSA775285  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4287 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  SDSU13542  Eriogonum fasciculatum var. polifolium W. Miller 1972-8-9 Riverside Santa Margarita Ecological Reserve Comment
  UCR117341  Eriogonum fasciculatum var. polifolium Mitch Provance 1998-3-22 258 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA0060581  Eriogonum gracile John C. Roos 1952-8-27 5888 Riverside Pigeon Pass, Box Springs Mts. 457 Comment
  UCR35097  Eriogonum gracile var. gracile J. Rohland 1974-7-20 532 Riverside San Jacinto Mountains, upper slopes and canyons of Indian Creek 915 Comment
  RSA544324  Eriogonum gracile var. incultum Steve Boyd 1991-9-8 6432 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  RSA741733  Eriogonum gracile var. incultum M. Wall 2008-10-6 495 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  JOTR35158  Eriogonum heermannii var. argense Harding, Mitzi, T. Herskovits 2011-9-14 157 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  CAS-BOT-BC257572  Eriogonum inflatum H. M. Hall 1901-6-1 2120 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  RSA144222  Eriogonum mohavense William M. Klein 1960-8-22 1588 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  RSA90134  Eriogonum molestum E. K. Balls, Percy C. Everett 1953-8-19 18530 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  JEPS56474  Eriogonum pusillum W. L. Jepson 1928-4-25 12605 Riverside in wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  UC598736  Eriogonum reniforme John Bright 1936-4-21 12845 Riverside about 5 mi n Palm Springs; Colorado Desert Comment
  JOTR32487  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  JEPS56264  Eriogonum thomasii W. L. Jepson 1928-4-26 12642 Riverside Whitewater Bridge San Gorgonio Pass, Whitewater Bridge Comment
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Jan 14 2010
  POM279991  Eriogonum thomasii Lyman Benson 1933-3-31 4196 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA264057  Eriogonum thomasii Noel Holmgren, Patricia K. Holmgren 1974-3-23 7468 Riverside Box Canyon Wash, 11.4 (9 aitrlines) miles east-northeast of Mecca. 244 Comment
  RSA644221  Eriogonum thomasii Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1368 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  RSA698449  Eriogonum thomasii Mary Edmunds 1932-3-24 s.n. Riverside McIntyre Ranch Oasis: Coachella Valley. Comment
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Jun 15 2012
  RSA766146  Eriogonum thomasii Donald A. Johansen, Joseph A. Ewan 1932-4-11 7082 Riverside Martinez Canyon, Santa Rosa Mts. 335 Comment
  SD125509  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, across from the entrance to Cahuilla Lake County Park, south of Indio Comment
  UC912800  Eriogonum thomasii Alice Eastwood 1913-4-30 3059 Riverside Palm Springs Comment
  UCR104834  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  CAS-BOT-BC262881  Eriogonum thurberi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA64760  Eriogonum thurberi F. W. Peirson 1914-04 1738 Riverside Whitewater at head of Coachella Valley. Comment
  UC668382  Eriogonum thurberi Annie M. Alexander and Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  CAS-BOT-BC263592  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  UCSB24382  Eriogonum wrightii Wheeler, Louis 1933-12-1 Riverside Mouth of Tahquitz Canyon; San Jacinto Mts 152 Comment
  RSA242191  Eriogonum wrightii var. membranaceum James L. Reveal, Caroline G. Reveal 1972-8-9 2863 Riverside Highway 243, at the turnoff to Fern Basin, opposite Alandale Ranger Station, about 5.5 miles north-north-west of Idyllwild. Comment
  RSA420618  Eriogonum wrightii var. membranaceum Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  CAS-BOT-BC261791  Eriogonum wrightii var. nodosum Philip A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north base of Santa Rosa Mts. 1097 Comment
  UCR174616  Eriophyllum confertiflorum Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 341 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCR174321  Eriophyllum multicaule A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32560 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
  POM358158  Eriophyllum wallacei Norman C. Cooper 1944-5-20 1246 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  UCR196011  Eriophyllum wallacei R. F. Thorne, M. Z. Thorne 1973-3-30 42687 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  SD255763  Erodium botrys Mitch Provance 2012-5-24 512 1 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave. and Wilson St. 868 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA612846  Erodium cicutarium D. L. Banks 1997-3-1 1370 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA614122  Erodium cicutarium D. L. Banks 1997-2-23 1289 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
  SBBG99349  Erodium moschatum W. L. Halvorson 1977-3-13 77 -176 Riverside near Temecula Comment
  JOTR31210  Erodium texanum Cipra, Jane, Jane Cipra 2009-4-27 sn Riverside Joshua Tree National Park. Pinto Basin; Near turkey flat 594 Comment
  RSA390943  Erodium texanum M. B. Dunkle 1937-3-25 4935 Riverside Colorado Desert. Shaver s Well Comment
  UC1523678  Eryngium aristulatum var. parishii Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60649 Riverside s. side Mesa de Colorado (Santa Rosa Plateau); , Mesa de Colorado 625 Comment
  RSA0020237  Erythranthe breweri Duncan S. Bell, Valentin Arvizu 2010-5-10 979 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0018798  Erythranthe guttata N. C. Cooper 1949-6-29 4317 Riverside Hemet Lake, San Jacinto Mt. 1524 Comment
  RSA0019314  Erythranthe guttata Peter H. Raven 1958-5-17 12944 Riverside 7.4 mi south-east of Banning on road to Idyllwild. Comment
  SD135326  Erythranthe rubella Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak, north slope Comment
  SEINET10476297  Eschscholzia minutiflora David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2899 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  RSA0023216  Eschscholzia papastillii Tim Thibault, Bart O'Brien, P. Morton 2004-5-8 254 Riverside Chuckwalla Mtns region, wash at end of Bradshaw Trail. 393 Comment
  UCD96502  Eschscholzia papastillii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 513 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  UC1060520  Eschscholzia parishii Richard Snow 1953-4-5 50 Riverside Corn Spring Comment
  SBBG104165  Escobaria vivipara var. alversonii E. R. Blakley 1993-5-20 7567 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  OBI76897  Eucalyptus rudis A. C. Sanders, O. F. Clarke 1992-3-17 12070 Riverside UCR campus, Picnic HIll on the e side of The entomology Bldg. NE side of hill, just below the trl Comment
  SD247455  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range Eastern Foot of the Santa Ana Mountains: Temescal Canyon NW of Horsetheif Canyon Road along DePalma Road, SE of Glen Eden Road and south of the east end of Lee (Corona) Lake, south side of I-15 (Alberhill 7.5'Q) 370 Comment
  UCR94497  Eucalyptus tereticornis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  RSA543756  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6076 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA75988  Eucrypta chrysanthemifolia var. bipinnatifida F. W. Peirson 1919-4-13 972 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  CLARK-A1656-724  Eucrypta chrysanthemifolia var. chrysanthemifolia Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  UCR230047  Eucrypta chrysanthemifolia var. chrysanthemifolia L. Nye, G. Gust 2005-3-10 536 Riverside city of Lake Elsinore on river bank just off of Auto Center Drive, north of junction with Diamond Drive 400 Comment
  UCR83197  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders 1994-5-15 14481 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  RSA703488  Eucrypta micrantha LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1427 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SDSU12868  Eulobus californicus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 21 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  JOTR38518  Euphorbia abramsiana Harding, Mitzi, Kipp Callahan 2012-8-27 285 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR240764  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2071 Riverside Sonoran (Colorado) Desert, Midland Rd. c. 18 miles NNW of Blythe 245 Comment
  SEINET273056  Euphorbia albomarginata A. C. Sanders 1997-4-3 20169 Riverside Lake Skinner area; N edge of large clay patch adjacent to the Skinner entrance rd. ca 1-2 km NE of Borel. UTM 10km cel 473 Comment
  UCR116891  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24208 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  RSA0123118  Euphorbia eriantha Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9028 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
  UCR176690  Euphorbia maculata R. D. Goeden, Don W. Ricker 1965-6-18 s.n. Riverside Riverside, north side of Blaine St. just west of Gage Canal 313 Comment
  UCR23189  Euphorbia maculata S. Gallagher 1981-6-1 30 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  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
  RSA575852  Euphorbia ocellata subsp. ocellata Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 588 Comment
  UCR14422  Euphorbia ocellata subsp. ocellata A. C. Sanders 1974-9-18 0296 Riverside Riverside, Botanic Garden at U.C.R., Australian section near back fence 412 Comment
  SD167134  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley, Palm Springs, shopping center at southeast corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  UC410719  Euphorbia palmeri Mrs. E. C. Van Dyke Jul 1928 Riverside Idyllwild Comment
  RSA697601  Euphorbia polycarpa Elisabeth Norland 1930-5-18 2 Riverside Shavers Well Comment
  SD128680  Euphorbia polycarpa Darley F. Howe 1980-4-15 Riverside 1.5 miles west of Mesa Verde, south slope of McCoy Mountains, Highway 10 Comment
  UCD142698  Euphorbia polycarpa Robert F. Thorne; Rolf and Gertrud Dahlgren 1979-8-23 53601 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts. 1097 Comment
  UCR31670  Euphorbia polycarpa John C. Roos 1947-11-1 3755 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  OBI39243  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, a weed in a garden at 422 Campus View Dr Comment
  UCR163869  Euphorbia setiloba B. G. Pitzer 2000-11-4 4244 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  CAS-BOT-BC167367  Fagonia laevis Peter H. Raven 1958-1-23 11433 Riverside Desert alluvial fan of Fargo Canyon Comment
  CAS-BOT-BC171040  Fagonia laevis Martha Hilend 1932-3-25 s.n. Riverside Chuckawalla mts., about 3 miles above Corn Springs, So. Calif. Comment
  UC667351  Fagonia laevis Annie M. Alexander and Louise Kellogg 1941-5-26 2235 Riverside n wall Munsen Canyon; Eagle Mts. 822 Comment
  UCD107160  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside Along Palms to Pines Highway, 4 mi. S. of Palm Desert. 609 Comment
  UCR104799  Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2733 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  RSA0009993  Fagonia laevis Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  GMDRC5049  Fagonia pachyacantha J. Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills: along Box Canyon Rd, 10.3 mi. NE of town of Mecca 219 Comment
  RSA45531  Fagonia pachyacantha J. C. Roos, L. Roos 1949-4-6 4146 Riverside Orocopia Mts., 2.5 mi. northeast of Dos Palmos Springs. 183 Comment
  RSA6666  Ferocactus cylindraceus var. cylindraceus B. D. Stark 1933-5-13 4982 Riverside Andreas Canyon. 762 Comment
  CLARK-A1528-7830  Festuca arundinacea John C. Roos 1949-5-21 4317 Riverside Temecula 304 Comment
  UC1931230  Festuca arundinacea Scott D. White, Justin Wood 2008-6-17 12151 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. (Idyllwild) Comment
  UCR201510  Festuca arundinacea Scott D. White, Justin M. Wood 2008-6-17 12151 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR137695  Festuca megalura D. L. Banks, V. W. Steinmann 1997-3-13 1481 B Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR137606  Festuca microstachys Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2276 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR167812  Festuca microstachys T. B. Salvato, John F. Green 2004-5-27 572 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  VVC2909  Festuca microstachys var. pauciflora Tim Thomas, P. J. MacKay 2010-4-12 5040 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR174097  Festuca myuros A. C. Sanders 2006-5-19 32464 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
  UCR228881  Festuca octoflora A. C. Sanders 2011-4-6 38997 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
  UCR41825  Festuca octoflora A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6125 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR262457  Filago depressa Stan C. Spencer 2001-4-27 s.n. Riverside Peninsular Range, edge of Wilson Creek, east of Sage Rd. near Radec 511 Comment
  RSA689492  Filago gallica Scott D. White 2001-4-19 8369 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR175073  Filago gallica Teresa Nieto 2005-5-26 27 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SD148113  Forestiera pubescens A. C. Sanders, Mark Elvin and M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  UCR26250  Fouquieria splendens John C. Roos 1937-4-28 1288 Riverside Sonoran (Colorado) Desert, 35 mi. west of Desert Center [near Cactus City] Comment
  RSA0018452  Frangula californica subsp. cuspidata T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 132 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  RSA737107  Frankenia salina Justin M. Wood 2008-10-29 210 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UCR13755  Fraxinus velutina var. coriacea N. R. Zabriskie, W. W. Zabriskie 1972-5-22 544 Riverside Santa Rosa Mtns., Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N slope Santa Rosa Mts. 1098 Comment
  UCR67352  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4064 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  SEINET192377  Funastrum heterophyllum Ira L. Wiggins 1941-3-26 9663 Riverside Along wash at Wiley Well. Comment
  RSA0041958  Funastrum hirtellum Duncan S. Bell, Loraine Washburn 2014-4-10 6595 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  RSA114356  Funastrum hirtellum P. C. Everett, E. K. Balls 1956-5-2 21558 Riverside in sun, in sandy wash; with Fouwuieria, Krameria, Olneya; 0.8 mi. N of juct. 60/70 along road to Eagle Mt. Pumping Sta. 366 Comment
  RSA776512  Funastrum hirtellum Amber Swanson, Duncan S. Bell 2011-3-10 212 Riverside Shaver's well in Box Cyn in the Mecca Hills 304 Comment
  SJSU11074  Funastrum hirtellum R. C. McGhee 1970-5-1 257 Riverside Chuckwalla Rd 1 mi W of Chuckwalla Spring, Chuckwalla Mts Comment
  SEINET10580702  Funastrum hirtellum Dunn 1932-3-26 Dunn s.n. 1932 Riverside Box Canyon Comment
  UCR256795  Galium angustifolium T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7871 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SDSU14282  Galium angustifolium subsp. angustifolium Ryan Jacobson, Jeremy Mass 2000-4-19 7 Riverside Santa Margarita Ecological Reserve. Near banks west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  RSA695500  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1696 Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  UCR189558  Galium angustifolium subsp. jacinticum Amy Rowland 2007-6-22 089 Riverside Peninsular Range, San Jacinto Mounains, Cahuilla Mountain Trail, c. 0.5mi north of peak of Cahuilla Mountain 1669 Comment
  JOTR29311  Galium stellatum var. eremicum La Doux, Tasha, Mike Bell 2006-5-17 1388 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA719780  Gayophytum decipiens Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1739 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA788879  Gayophytum diffusum subsp. parviflorum Gary D. Wallace 2003-7-8 4045 Riverside Hidden Lake. 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
  SEINET10492283  Gayophytum nuttallii David B. Dunn 1946-8-17 Dunn 2686 Riverside Grass near stream at camp in taquity valley damp meadow area. San jacinto mountains. 2438 Comment
  UCSB4350  Gayophytum ramosissimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  RSA0026166  Geraea canescens Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17716 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  RSA774898  Geraea canescens Duncan S. Bell, Amber Swanson 2011-2-18 2029 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
  UCD132593  Geraea canescens R. W. Scora 1966-4-1 3003 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  UCR245958  Geraea canescens Duncan S. Bell 2009-3-8 51 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  UCR251907  Geraea canescens Jim Andre 2013-3-27 24832 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCSB38371  Geraea canescens Nelson, Steve 1974-4-13 Riverside Two miles north of U.S. Highway 10 on Washington 152 Comment
  UC1929465  Geranium carolinianum Scott D. White, Michael Honer 2003-6-3 9479 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  CAS-BOT-BC225252  Gilia J. Vale 1980-4-12 s.n. Riverside Near Aguanga Comment
  RSA717339  Gilia Scott D. White, Michael Honer 2003-4-25 9114 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SD133043  Gilia Scott White 1991-5-10 91 142 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR193128  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35536 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UC748762 Image available Gilia abramsii Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon; Temecula Canyon, Riverside Co. Comment
  RSA659468  Gilia angelensis J. C. Roos 1952-4-23 5578 Riverside 1 year old burn on north side Box Springs Mtns. 457 Comment
  SD239873  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-2-19 34424 Riverside San Bernardino Valley Region: Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M.L. King (ex Pennsylvania) Ave (Riverside E 7.5'Q) 295 Comment
  SDSU12911  Gilia angelensis Jutta Buschbom 1991-6-3 44 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC1228382  Gilia angelensis C. L. Hitchcock and C. V. Muhlick 1962-3-16 22127 Riverside 8 mi s Corona; Temescal Canyon Comment
  UCR120647  Gilia angelensis D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1792 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR214148  Gilia angelensis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37712 A Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  UCR18182  Gilia australis A. C. Sanders 1978-4-30 482 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA776188  Gilia latifolia Amber Swanson, Duncan S. Bell 2011-3-10 205 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  CAS-BOT-BC516256  Gilia maculata R. Patterson; M. Bourell 1994-3-28 1970 Riverside Joshua Tree National Monument; Pinto Basic Rd, ca. 5 mi S of jct with Utah Trail (road to Twenty Nine Palms 1000 Comment
  JEPS20155  Gilia maculata Charlotte M. Wilder 1907-4-6 704 Riverside just beyond the crossing of the Whitewater River (Colorado Desert); , beyond crossing Whitewater River Comment
  RSA771781  Gilia modocensis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -b Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA0017088  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4016 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC880179  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside e Hemet (steep open hillside); e of Hemet 600 Comment
  RSA0017105  Gilia ochroleuca subsp. exilis Verne Grant, Alva Grant 1951-7-22 16107 Riverside 1 mi. N of Fulmor Lake on road from Idyllwild to Banning 1372 Comment
  RSA0107456  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-9 784 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  SD233900  Gilia scopulorum A. C. Sanders, E. J. Lawlor 1992-4-4 12145 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring; alluvial slopes below and to the south, and canyon bottom above the spring. 244 Comment
  POM254894  Gilia stellata P. A. Munz 1940-3-24 15702 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA234103  Gilia stellata R. F. Thorne, R. Carolin 1967-3-21 41631 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA27507  Gilia stellata I. L. Wiggins 1941-3-26 9661 Riverside Along wash at Wiley well. Comment
  RSA49181  Gilia stellata P. A. Munz 1949-4-13 13052 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  RSA657243  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12342 Riverside Coachella Valley, Desert Hot Springs, 0.15 mi S of Mission Lakes, on Verbena Drive. 427 Comment
  RSA799250  Gilia stellata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 754 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
  UC809710  Gilia stellata Philip A. Munz 1949-4-13 13043 Riverside above Cottonwood Springs (w end Eagle Mts., Colorado Desert); Colorado Desert, w end Eagle Mts., Cottonwood Springs 1097 Comment
  UCSB6571  Gnaphalium Roger Krogen 1957-1-1 124 Riverside collected 4.0 mi S, along U S Highway 95, at N edge of the Orocopia Mountains U S Highway 60-70 - U S Highways 95,60-70 Comment
  UCR51474  Gnaphalium canescens subsp. beneolens B. G. Pitzer, Jack Easton 1987-3-10 0398 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  RSA0105840  Gnaphalium luteoalbum Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR174241  Gnaphalium luteoalbum A. C. Sanders, T. B. Salvato 2006-6-2 33078 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
  POM358871  Gnaphalium microcephalum N. C. Cooper 1943-10-9 952 Riverside Hemet. 366 Comment
  RSA192005  Gnaphalium microcephalum H. A. Zuill 1966-7-7 280 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  POM12962  Gnaphalium palustre P. A. Munz, I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley. 412 Comment
  RSA234064  Gnaphalium palustre R. F. Thorne, E. W. Lathrop 1969-5-19 37970 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  RSA388322  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  UCR266808  Gnaphalium palustre Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 03 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA752137  Gnaphalium stramineum Justin M. Wood, Brandy Wood 2009-7-4 1041 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR94940  Gnaphalium stramineum Scott D. White 1996-8-15 4474 Riverside San Jacinto Mtns., Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  JOTR32143  Guillenia lasiophylla La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2299 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
  CLARK-A1528-226  Gutierrezia bracteata C. M. Flanagan 1973-5-31 OO 630 Riverside Morongo Indian Reservation 975 Comment
  CAS-BOT-BC304634  Gutierrezia californica Lewis S. Rose 1945-12-26 45330 Riverside Palm Springs 137 Comment
  UCR140693  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCSB45959  Gutierrezia californica Roos, John 1965-9-26 Riverside Near Palms Springs station Comment
  UC53958  Gutierrezia sarothrae J. Vandeventer 1903-1-1 10 Riverside San Jacinto Mts. Comment
  POM9746  Gutierrezia sarothrae P. A. Munz 1921-12-31 4701 Riverside Andreas Canyon. Comment
  SEINET188337  Halliophytum hallii C. L. Hitchcock 1940-4-2 5926 Riverside Joshua Tree National Monument; Cottonwood Spring wash Comment
  UCR158948  Haplopappus squarrosus A. C. Sanders, Kelly Volansky 2005-8-31 31600 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA33366  Helianthus annuus subsp. lenticularis N. C. Cooper 1943-9-26 933 Riverside Cabazon; Alkali Flat. 610 Comment
  RSA557362  Helianthus annuus subsp. lenticularis Julie Greene 1993-6-11 1328 Riverside North of new pond. 441 Comment
  UC354463  Helianthus gracilentus Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch (Banning-Idylwild Rd.) 1127 Comment
  UC895530  Helianthus gracilentus E. C. Jaeger 1921-6-6 Riverside McMullen Trail San Jacinto Mts., McMullen Trail 822 Comment
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Nov 5 2011
  UCR139987  Heliotropium curassavicum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA77874  Heliotropium curassavicum var. oculatum F. W. Peirson 1920-6-22 994 Riverside Temescal canyon 305 Comment
  UCR13401  Heliotropium curassavicum var. oculatum William A. Hunt 1972-5-19 720519- 2 Riverside Upper Santa Ana River/San Bernardino Valley Region, west edge of UCR campus, behind Bannockburn, between Canyon Crest Dr. and 60 Fwy 305 Comment
  UCR180106  Hemizonia fasciculata Mitch Provance 2003-4-26 9892 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA885  Hemizonia kelloggii J. T. Howell 1928-7-8 1042 Riverside Near Glen Ivy. 396 Comment
  UCR201461  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-10 12446 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR82812  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15793 Riverside San Jacinto Mtns., 1 mi SE of Twin Pines Ranch, along minor gullies between Pines Creek and Dutch Creek, N slope 1195 Comment
  UCR18051  Herniaria cinerea O. F. Clarke 1967-1 s.n. Riverside UCR campus, in botanic garden Comment
  RSA0040168  Hesperocallis undulata Sarah J. De Groot, April Garbat 2013-3-28 6994 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  RSA377048  Hesperocallis undulata M. B. Dunkle 1935-3-17 4395 Riverside Desert Center. 610 Comment
  RSA612484  Hesperocnide tenella D. L. Banks 1997-2-23 1333 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR100297  Hesperocnide tenella B. G. Pitzer 1997-4-20 3185 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  RSA587424  Hesperolinon micranthum D. L. Banks, Steve D. Boyd 1995-6-2 568 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in S32, W of the Dripping Springs Alcove Area. 890 Comment
  UCR263464  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35587 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, above mapped spring 1524 Comment
  UCR183025  Heteromeles arbutifolia Mitch Provance 2003-4-17 4633 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  UCR113181  Heterotheca grandiflora A. C. Sanders 1998-1-15 21640 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR194221  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA471607  Heterotheca sessiliflora subsp. echioides Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  RSA432776  Hibiscus denudatus N. C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  SEINET11993718  Hibiscus denudatus W. Knight, Knight, I. 1983-1 5404 Riverside Eagle Mts 244 Comment
  POM12871  Hieracium horridum P. A. Munz 1922-7-6 6023 Riverside Zigzag on trail from Tahquitz to Hidden Lake; San Jacinto Mts, 2378 Comment
  SEINET212651 Image available Hilaria rigida L. C. Higgins 1974-4-12 8488 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  SEINET229274 Image available Hilaria rigida L. M. Shultz, JS Shultz 1985-4-15 8244 Riverside Chuckawalla Valley depression along Wiley's well rd 122 Comment
  SEINET4145699 Image available Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley; E side of Arica Mountains, along Rice-Midland Rd., 2.2 mi. S of Rice 242 Comment
  SDSU12942  Hirschfeldia incana Jutta Buschbom 1991-6-1 27 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  JEPS15378  Hoffmannseggia glauca Joseph and Hilda Grinnell 1937-11-30 1087 a Riverside 24 mi w of Blythe; Ford Dry Lake 106 Comment
  UCR89862  Hoffmannseggia glauca J. M. Stewart 1990-9-23 654 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC207561  Hoffmannseggia microphylla Roxana S. Ferris 1918-6-14 979 Riverside in box canyon [canon] near Shavers Well on Mecca-Blythe Rd. Comment
  RSA0080315  Hoffmannseggia microphylla Sarah J. De Groot, Duncan S. Bell, Cheryl Sevilla 2015-2-10 7359 Riverside Bear Creek drainage, east fork; east side of Santa Rosa Mountains, south of La Quinta, west of Lake Cahuilla. 195 Comment
  SEINET10687049  Hoffmannseggia microphylla David B. Dunn 1946-2-23 Dunn 1983 Riverside Hidden Springs Canyon in the vicintiy of the Palms. Comment
  RSA621501  Hoita macrostachya D. L. Banks 1997-11-15 2200 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  NY1116474  Hordeum D. K. Christopher 2003-4-6 105 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA0036702  Hordeum R. F. Thorne 1973-5-23 43873 Riverside SANTA ROSA PLATEAU: Mesa de Colorado 610 Comment
  UCR266826  Hordeum intercedens D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 A Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  CLARK-A1528-67  Hordeum leporinum Oscar F. Clarke, C. M. Flanagan 1973-3-13 OO 118 Riverside US 274 Comment
  RSA601079  Hordeum marinum subsp. gussoneanum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18120 Riverside Morongo Indian Reservation, SE edge of Burro Flats., T2S R1E S14, SE.4; 33 deg 59.5'N, 116 deg 51'W 1100 Comment
  RSA747514  Hordeum murinum Justin M. Wood 2009-3-10 348 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  UCR207345  Hordeum murinum O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR93192.1  Hordeum murinum subsp. murinum Steve Boyd 1986-4-2 1619 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SBBG72539  Horkelia clevelandii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  UC1051653  Horkelia clevelandii Peter Kamb 1950-7-9 1906 Riverside San Jacinto Mountains, Hall Canyon 1645 Comment
  UC12390  Horkelia clevelandii H. M. Hall 1897-6-16 648 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  SD2234  Horkelia clevelandii var. clevelandii Florence Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mts. Comment
  UCR55320  Hulsea vestita subsp. callicarpha Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  OBI16031  Hulsea vestita var. callicarpha H. E. McMinn 1925-7-2 1509 Riverside Tahquitz Trail Comment
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Jun 21 2012
  CLARK-A1528-1959  Hymenoclea salsola John C. Roos 1947-2-15 3246 Riverside Eagle Mountains Comment
  RSA346259  Hymenoclea salsola R. F. Thorne 1980-4-16 54051 Riverside Along Whitewater River, E of bridge and levee. Comment
  UCR41307  Hymenoclea salsola N. M. Fellows, A. C. Sanders 1985-4-9 161 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA0039602  Hyptis emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-11 152 Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  RSA420158  Hyptis emoryi George B. Grant 1906-5-10 s.n. Riverside Palm Springs. Comment
  RSA516910  Hyptis emoryi Steve Boyd, Orlando Mistretta 1986-3-13 1451 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  UCD124920  Hyptis emoryi Donald Myrick 1964-4-30 839 Riverside Pines to Palm Highway (Highway 74), 10 miles west of Palm Desert. 914 Comment
  SEINET13948478 Image available Hyptis emoryi Carl B. Wolf 1932-1 2984 Riverside Colorado Desert. 8 mi E of Mecca on Blythe Road. Ca 300 ft alt 91 Comment
  SEINET7048149  Hyptis emoryi Steven R. Hill 2001-5-3 33650 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road, halfway up Chino Canyon, about 1-1.5 miles southwest of California Route 111, Palm Springs. At boundary of Palm Springs Aerial Tramway property, at entrance gate. Elevation about 1000-2000 feet. Comment
  RSA582046  Imperata brevifolia L. C. Wheeler 1933-12-2 2318 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  LA97872  Isocoma acradenia var. eremophila A. Kent-Evans; 1976-4-13 P.S. 39 Riverside Palm Springs 609 Comment
  RSA444685  Isocoma menziesii var. vernonioides J. C. Roos 1965-9-21 s.n Riverside On the W side of March Air Force Base along 395 Hwy. Comment
  RSA0039517  Isocoma menziesii var. vernonioides Mike Lahti 2009-9-29 PDR 1501830 Riverside In the vicinity of Temecula. 1 mile south of Auld Road on Pourroy Road at Tucalota Creek. Comment
  SDSU13639  Isolepis cernua var. cernua W. Miller, C. Mosse 1972-7-21 Riverside South of camp. Comment
  UCR101578  Isomeris arborea 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
  SBBG52766  Iva axillaris N. C. Cooper 1944-7-15 1594 Riverside Palms to Pines Hwy (St Hwy 74) 548 Comment
  UCR89552  Juncus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15876 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  CLARK-A1528-17  Juncus balticus C. M. Flanagan 1973-5-31 OO 638 Riverside Morongo Indian Reservation 1158 Comment
  RSA69674  Juncus bufonius F. W. Peirson 1919-4-14 2845 Riverside Murray Canyon, near Palm Springs. Comment
  RSA789241  Juncus bufonius Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2423 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UC1930168  Juncus bufonius Scott D. White, Michael Honer 2003-6-3 9454 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR117312  Juncus bufonius A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 735 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR149983  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR156615  Juncus bufonius var. congestus T. B. Salvato, A. C. Sanders 2005-5-17 899 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
  RSA293328  Juncus dubius C. W. Tilforth, Walter Wisura 1981-7-10 2114 Riverside South leg of Red Mountain loop, east of Highway R3, south of Hemet. Comment
  RSA335007  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  RSA357162  Juncus luciensis Robert F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  UCR104077  Juncus macrophyllus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20693 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
  UCR202582  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-7-8 12381 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA505036  Juncus rugulosus Ed LaRue 1989-7-13 s.n. Riverside Santa Rosa Plateau, Tenaja Road where De Luz Creek crosses road, NW of Mesa de Colorado. Comment
  RSA526136  Juncus tiehmii Steve Boyd, Timothy S. Ross 1990-5-11 4649 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
  UC165054  Juncus torreyi S. B. Parish 1912-6-28 8120 Riverside Mecca Colorado Desert, Salton Basin Comment
  RSA352517  Juniperus californica Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  UCR23316  Juniperus californica John C. Roos 1952-4-16 5541 Riverside Box Springs Mtns. 457 Comment
  CAS-BOT-BC234585  Justicia californica Aven Nelson; Ruth Nelson 1939-3-22 3219 Riverside Palm Springs Comment
  CAS-BOT-BC234590  Justicia californica W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canon [Canyon] Comment
  CAS-BOT-BC234597  Justicia californica Munz; Street; Williams 1919-3-28 2383 Riverside Palm Canyon 182 Comment
  LA202787  Justicia californica B. Lewis; 1939-4-9 sn Riverside Palms to Pines Highway 152 Comment
  POM11223  Justicia californica E. A. McGregor 1917-3-18 731 Riverside 6 mi., Painted Canyon. Comment
  SD46093  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  POM9329  Justicia californica Mary F. Spencer 1920-3-13 179 Riverside Painted Canyon near Mecca. Comment
  RSA780234  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-13 116 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  SEINET8071637 Image available Kallstroemia californica Andrew C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA773189  Keckiella antirrhinoides Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4896 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
  SD234523  Keckiella antirrhinoides Wayne Law, Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona. 395 Comment
  UCR248185  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside east of Temecula on SR 79 Comment
  UCSB10530  Keckiella antirrhinoides Wilson, Richard 1958-5-17 Riverside 6 miles SE of Banning; on State Hwy 74 San Jacinto Mtns 762 Comment
  NY786513  Keckiella antirrhinoides var. antirrhinoides A. L. Moldenke 1976-4-22 30580 Riverside Rancho California on Route 79 Comment
  SEINET4097042  Keckiella antirrhinoides var. antirrhinoides O. M. Clark 1929-1 1695 Riverside South Cabazon, southern California. Comment
  SEINET3224413  Keckiella cordifolia G. Goodwin 2012-6-15 3467 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  RSA400463  Keckiella rothrockii subsp. jacintensis M. B. Dunkle 1933-7-19 3686 Riverside Tahquitz Ridge. 2561 Comment
  UCSB26203  Keckiella ternata Gliessman, Stephen 1968-7-17 Riverside on north side of Little Thomas Mountain Road; 2.6 miles north of junction with Highway 74 1524 Comment
  RSA293513  Keckiella ternata subsp. ternata C. W. Tilforth, Walter Wisura 1979-8-8 1896 Riverside Along Hwy 74 east junction with Hwy 371. Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. Comment
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Jun 26 2013
  SEINET959100  Kelloggia galioides G. K. Helmkamp, E. A. Helmkamp 2005-1 9742 Riverside Northern Sierra Nevada Foothills: 20 mi. WSW of Lake Tahoe; Ice House Road, N of CA Highway 50 and 1.5 mi S of junction with Ice House Reservoir (Kyburz 7.5Q). 1637 Comment
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Nov 8 2013
  SEINET3101948  Koeleria macrantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17359 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR2487  Koeleria macrantha F. M. Reed 1928-7-10 5989 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  LA45697  Krameria erecta J. A. Ewan; 1931-4-4 4141 Riverside McCoy Mountains Comment
  RSA0123997  Krameria erecta Duncan S. Bell, Thomas Stoughton 2016-4-12 9234 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  SEINET3004984  Krameria erecta G. Rink, M. Baker 2011-4-1 10411 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  SEINET189692  Krameria grayi Annie M. Alexander, L Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 503 Comment
  UC574955  Krameria grayi C. Epling and Wm. Robison 1933-6-24 Riverside Morongo Pass , Morongo Pass (Little San Bernardino Mountains) Comment
  RSA597059  Lactuca serriola D. L. Banks, Lauren Raz 1996-11-5 1158 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA180512  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5217 Riverside 6 miles west of Murrieta. Comment
  CLARK-A1528-4705  Lamarckia aurea John C. Roos 1947-3-21 3373 Riverside Reche Canyon Comment
  HSC10263  Lamarckia aurea C. L. Hitchcock, C. V. Muhlick 1964-3-17 23114 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  JEPS69282  Lamarckia aurea W. L. Jepson 1917-5-25 6070 Riverside San Gorgonio Pass 548 Comment
  RSA574563  Lamarckia aurea Steve Boyd 1980-5-7 s.n. Riverside 2.5 miles NW of Perris 518 Comment
  UCR4145  Lamium amplexicaule Ronald M. Cope 1965-2-15 s.n. Riverside Riverside, valley 0.5 mi. west of where Gage Canal goes underground after having crossed Le Conte Drive. 259 Comment
  CHSC2043  Larrea tridentata V. Holt 1935-4-16 Riverside Colorado Desert. Comment
  UCR214417  Larrea tridentata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37501 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR245740  Larrea tridentata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3956 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., [NE] of Shaver Well on an alluvial plain 323 Comment
  UCR41272  Larrea tridentata B. G. Pitzer 1986-2-9 9 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  RSA719071  Larrea tridentata Michael Honer 2005-3-18 2095 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  JEPS28846  Lasthenia coronaria Peter H. Raven 1962-3-19 16913 Riverside 1.6 mi ne of junction State Highway 71 (State Highway 74, n of Elsinore) Comment
  RSA585501  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-5-9 0363 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
  RSA673634  Lasthenia coronaria Scott D. White, Tasha La Doux 2000-4-20 7707 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UC34690  Lasthenia coronaria H. M. Hall 1902-4-1 2897 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  POM262944  Lasthenia gracilis J. C. Roos 1941-4-19 178 Riverside Reche Canyon - 'Plateau' [Label indicates San Bernardino Co.] Comment
  RSA33497  Lasthenia gracilis N. C. Cooper 1944-3-24 998 Riverside Banning. 701 Comment
  RSA660556  Lasthenia gracilis Lydia Paneri 1982-4-17 14 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA769763  Lasthenia gracilis Duncan S. Bell, Valentin Arvizu 2010-5-10 985 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  UC1536904  Lasthenia gracilis G. H. True 1935-3-11 76 Riverside Box Springs 365 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
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR138919  Lasthenia gracilis Julie A. Greene 1993-3-13 1009 Riverside San Jacinto River Valley, San Jacinto Wildlife Area. On the berm between ponds 441 Comment
  CAS-BOT-BC367545  Lasthenia microglossa F. W. Peirson 1919-4-14 1376 Riverside Murray Canyon near Palm Springs 487 Comment
  CSUSB1224  Lathyrus laetiflorus David M. Peterson 1966-2-27 660227 5 Riverside 9 miles southwest of Murrieta 609 Comment
  RSA406616  Lathyrus vestitus subsp. alefeldii Anstruther Davidson 1897-03 408 Riverside Winchester Comment
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Mar 20 2011
  UC62902  Layia glandulosa H. M. Hall 1902-4-1 2900 Riverside vicinity Winchester 762 Comment
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Mar 20 2011
  UC1540425  Layia platyglossa Charles B. Fiker 1946-4-8 3365 Riverside at Temecula Comment
  UCR250908  Layia platyglossa A. C. Sanders 2014-4-18 41024 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  RSA212921  Layia platyglossa subsp. platyglossa L. B. Ziegler 1969-5-15 s.n. Riverside Hemet Valley, south of Kenworthy Ranger Station. 1372 Comment
  CLARK-A1528-4707  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  RSA376132  Lemna minuta Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61204 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  CAS-BOT-BC89443  Lepidium fremontii K. Larson 1976-6-9 2021 Riverside Ca. 25 miles east of Indio. Comment
  SEINET3148894  Lepidium fremontii L. S. Rose 1940-3-11 40104 Riverside 23 mi. W of Desert Center 366 Comment
  OBI66289  Lepidium lasiocarpum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1462 Riverside Colorado Desert; Chocolate-Chuckwalla mts region: Corn Springs campground in the Chuckwalla mts. Cyn SW of campground. UTM 3721895N, 655238E to 3720669N, 654757E 549 Comment
  RSA429930  Lepidium lasiocarpum N. C. Cooper 1945-3-24 1619 Riverside Cabazon. 457 Comment
  UCR249829  Lepidium lasiocarpum T. B. Salvato, John Lovio 2013-3-19 7368 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA645673  Lepidium nitidum Scott D. White 1999-5-2 7290 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
  UCD115816  Lepidium nitidum A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  OBI45208  Lepidium virginicum B. Pitzer & Jack Easton, Jack Easton 1987-3-10 402 Riverside Anza area, hills S of Thomas Mtn, ca 3 mi (airline) E oftown of Anza on N side of hwy 371. Butterfly Peak 7.5'quad: T7S, R4E, NE1/4 sec 13 1341 Comment
  RSA575819  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  RSA576089  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  UCR97684  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19924 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  SDSU12990  Lepidospartum squamatum Michael G. Simpson with Claudia A. Luke 1999-10-27 2012 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  UCR177855  Lepidospartum squamatum Marisa Sripracha, K. A. Boyd 2004-3-21 047 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR24007  Leptochloa filiformis John C. Roos 1958-9-28 s.n. Riverside Sonoran (Colorado) Desert, Coachella Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  UCD64135  Leptochloa panicea subsp. mucronata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside Imperial Valley, 2 miles north of Indio. Comment
  UCR215073  Leptodactylon californicum Justin M. Wood 2009-3-10 351 Riverside San Jacinto Mountains, Hwy 243, near base of the mountains, 0.5 mi up the hwy from Smith Creek Bridge 774 Comment
  RSA0004786  Leptodactylon jaegeri E. C. Jaeger 1921-7-1 s.n. Riverside Tahquitz Peak, San Jacinto Mts. Comment
  RSA180366  Leptosiphon floribundus E. W. Lathrop 1960-5-27 5229 Riverside 6 miles west of Murrieta. Comment
  RSA221059  Leptosiphon floribundus subsp. glaber E. W. Lathrop 1966-4-27 6216 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  RSA525413  Leptosiphon lemmonii Steve Boyd, Yvonne Rasmussen, Hugo Cota 1990-5-3 4521 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR139615  Lessingia filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  CAS-BOT-BC339358  Lessingia glandulifera var. glandulifera Scott D. White 1996-8-1 4406 A Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  CAS-BOT-BC339359  Lessingia glandulifera var. glandulifera Winifern W. Swarth 1914-9-10 s.n. Riverside Strawberry Valley (6000 ft.), San Jacinto Mts. 1828 Comment
  JEPS20574  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  POM15213  Leymus condensatus Mary F. Spencer 1922-6-30 1984 Riverside Brook's Camp - San Jacinto Mountains. 1220 Comment
  CAS-BOT-BC274535  Leymus triticoides H. M. Hall 1901-6-1 2122 Riverside San Jacinto Mountins. Eastern base, along the borders of the Colorado Desert Comment
  RSA368915  Lilaea scilloides S. B. Parish 1890-03 s.n. Riverside Near Colton. Comment
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Sep 24 2016
  UC1147903  Lilaea scilloides Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37595 Riverside Rancho California; Santa Rosa Plateau 609 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR48358  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-5-1 1802 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR19166  Linanthus aureus John C. Roos 1942-5-2 1148 Riverside Mojave Desert, Joshua Tree Nat. Monument. Lost Horse Well Comment
  SD132311  Linanthus californicus T. D. Hacker 1990-5-3 12 Riverside East side of Laguna Mountains, ca. 4.0 miles north of Highway 74 on a dirt road leading to Lake Elsinore; on a cliff above the road. 518 Comment
  UC219592  Linanthus ciliatus P. A. Munz 1922-6-23 5765 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  UC217948  Linanthus dianthiflorus P. A. Munz 1922-4-30 5134 Riverside s of Hemet (near Tuscalota Creek) Comment
  POM364582  Linanthus dianthiflorus subsp. dianthiflorus M. B. Dunkle 1932-3-25 2954 Riverside 4 miles south of Banning. 457 Comment
  RSA359854  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA73678  Linanthus floribundus subsp. hallii R. S. Woglum 1941-5-17 3041 Riverside Alder Canyon off Coyote Canyon. Comment
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Jun 9 2012
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  UC1532825  Linanthus liniflorus Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47303 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  UC52728  Linanthus parviflorus H. M. Hall 1902-4-26 2983 Riverside vicinity Riverside; Greene Canyon 609 Comment
  POM12881  Linanthus pungens P. A. Munz 1922-7-7 6058 Riverside Zigzag between Thaquitz Valley and Hidden Lake 2378 Comment
  RSA0010978  Lithophragma affine Scott D. White, W. LaHaye 2000-5-27 7940 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA657232  Loeflingia squarrosa J. M. Porter 2001-4-2 12328 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  SBBG81479  Loeseliastrum matthewsii S. A. Junak 1983-3-23 1624 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  JOTR16803  Loeseliastrum schottii Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UCR88306  Logfia arizonica A. C. Sanders, Karin Cleary-Rose 1995-4-5 16375 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA676081  Logfia depressa Scott D. White 2001-4-3 8246 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SD144488  Logfia filaginoides A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19890 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn, along the road. 518 Comment
  CLARK-A1528-4717  Lolium perenne subsp. multiflorum John C. Roos 1953-4-21 5915 Riverside March Air Force Base 457 Comment
  UCR232030  Lolium perenne subsp. multiflorum John F. Green 2008-4-22 06- 08 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  SEINET251726 Image available Lolium rigidum Walter Graves 2002-5-15 502 -25 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  CAS-BOT-BC240673  Lonicera interrupta Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR101401  Lonicera interrupta A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22215 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR262252  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 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
  SD187388  Lonicera subspicata var. denudata Scott D. White, Angelia Carey 2004-5-7 10351 Riverside Indian Crek and adjacent foothills. 548 Comment
  RSA406726  Lotus argophyllus var. argophyllus N. C. Cooper 1944-4-8 1061 Riverside Andreas Canyon. 305 Comment
  RSA770293  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4578 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM229795  Lotus argyraeus var. argyraeus P. A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak. 2409 Comment
  UC454101  Lotus grandiflorus I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  RSA586848  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-3 0267 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
  UCR26490  Lotus hamatus A. C. Sanders, S. Hagopian 1981-5-20 2142 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR42357  Lotus hamatus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 188 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA561065  Lotus heermannii Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7348 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR215615  Lotus heermannii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 04 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA406241  Lotus oblongifolius Robert L. Rutherford 1944-7-2 1476 Riverside Palomar Mtn. 1066 Comment
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Jun 15 2013
  RSA704854  Lotus oblongifolius J. R. Bruff 1934-6-19 553 Riverside Idyllwild Comment
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Jul 29 2010
  UC80779  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  POM243699  Lotus procumbens var. procumbens E. C. Jaeger 1938-5-14 s.n. Riverside Near Stubbe Springs, Joshua Tree National Mon. 1402 Comment
  UCR91616  Lotus scoparius var. brevialatus D. L. Banks, Steve Boyd 1995-4-5 0161 Riverside Peninsular Ranges, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
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Sep 5 2010
  CSUSB1249  Lotus strigosus Ronald H. Sauer 1965-4-3 Riverside South side of Big Springs Road about 500 feet from the east end of the street in city of Riverside. 396 Comment
  CSUSB1251  Lotus strigosus unknown 1957-5-1 Riverside Pigeon Pass Comment
  RSA339065  Lotus strigosus R. F. Thorne, C. W. Tilforth 1980-5-28 54244 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SEINET7063237  Lotus strigosus A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UC373113  Lotus strigosus M. Hilend 1927-4-2 Riverside between Mecca and Hidden Spring; Colorado Desert Comment
  UC1929817  Lotus strigosus var. strigosus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10471 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
  RSA517840  Lotus tomentellus Bob Boyd, Orlando Mistretta 1986-3-13 1471 Riverside NE of Desert Center. Comment
  UCR90319  Lotus tomentellus Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  HSC92616  Lotus unifoliolatus var. unifoliolatus F. C. Vasek 1964-7-19 6407193 Riverside At Pine Cove, NW of Idyllwild Comment
  UC1537085  Lotus wrangelianus Gordon H. True Jr. 1935-4-5 215 Riverside Gavilan Peak Gavilan Hills 731 Comment
  RSA33840  Lupinus albifrons N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  SEINET5327615  Lupinus albifrons E. A. Zumbro 1903-1 396 Riverside Blue Mt., W. Riverside. Comment
  UC195032  Lupinus arizonicus Joseph Grinnell 1910-3-17 Riverside Riverside Mt.; Colorado River, Riverside Mt. Comment
  SEINET10488553  Lupinus arizonicus Billy Joe Cox 1975-4-23 Cox 4107 Riverside 1-3 km w (ca 32 miles s of blythe). Creosote desert scrub; sandy and gravelly Entisols. Imperial co border 70 Comment
  SEINET10489199  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7469 Riverside Box canyon wash, 11.4 (9 air miles) miles ene of mecca. T6s,r10e,sec.35. Frequent on gravel bar in wash. Petals pink-purple, banner with yellow center Which turns maroon with age 244 Comment
  RSA741102  Lupinus bicolor Scott D. White, Justin M. Wood 2008-6-5 12083 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA741163  Lupinus bicolor Scott D. White, Justin M. Wood 2008-5-15 11999 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SD143897  Lupinus bicolor A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20687 Riverside San Jacinto Mountains, north side of the range, Twin Pines Creek below the confluence with Brown Creek, on gravel bars along the creek in full sun; Cabazon 7.5' quad.; UTM 10km cell:NH-1E, 4N. Vista Grande 854 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
  GMDRC6567  Lupinus concinnus J. M. Andre 2012-6-15 30523 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  HSC85275  Lupinus concinnus Steve Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mtn. Comment
  SD73601  Lupinus concinnus Helen V. Witham 1970-4-29 814 Riverside Highway 74, 1.0 mile west of Lake Hemet. 1200 Comment
  UC68638  Lupinus concinnus H. M. Hall May, 1905 6022 Riverside Cottonwood Mts.; Colorado Desert, Cottonwood Mts. 609 Comment
  UCR209001  Lupinus concinnus E. W. Lathrop 1959-4-17 4476 Riverside Peninsuar Range, Santa Ana Mtns., Tenaja [Santa Rosa] Plateau. 14 miles west of Murrieta, west slope of Redonda Mesa 854 Comment
  LA205083  Lupinus excubitus Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  UCR110961  Lupinus excubitus George K. Helmkamp 1998-6-27 4089 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA507949  Lupinus excubitus var. austromontanus Steve D. Boyd 1988-5-28 2268 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  OBI19312  Lupinus excubitus var. hallii Tracey & Viola Call, Viola Call 1962-4-13 2126 Riverside Tin Mine Cyn near Corona 351 Comment
  POM128361  Lupinus excubitus var. hallii Thomas Craig 1927-4-23 208 Riverside Glen Ivy. Comment
  SD255741  Lupinus formosus Mitch Provance 2012-5-24 512 19 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 868 Comment
  SEINET10865805  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7146 Riverside Chaparral along roadside. 0.8 Mi w of anza on hwy 71. 1036 Comment
  SEINET2062671 Image available Lupinus longifolius Norman C. Cooper 1947-4-5 2046 Riverside Los Alamos Canyon, Elsinore. Comment
  UC472705  Lupinus shockleyi Mary F. Spencer 1921-4-2 1650 Riverside Palm Springs; Colorado Desert, Palm Springs 121 Comment
  JOTR16694  Lupinus sparsiflorus Cole, James E. 1941-5-19 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  SDSU5009  Lupinus sparsiflorus Thomas A. Zink 1971-5-1 Riverside Sides about 1/2 mile south of Gorman on Gorman Post Road. 1250 Comment
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Jun 8 2013
  UCD109478  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside 5 miles n.e. of Aguanga. Comment
  RSA608359  Lupinus sparsiflorus J. Agardh 1930-4-13 s.n. Riverside San Jacinto Mountains. Comment
  RSA272180  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth 1978-4-30 1568 Riverside Low rounded hills east of Norco. Comment
  RSA522727  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3832 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
  SD133082  Lupinus truncatus Scott White 1991-5-10 91 148 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR173148  Lupinus truncatus Abby Sirulnik 2000-4-25 20 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR17043  Lycium andersonii O. F. Clarke 1970-11-14 s.n. Riverside Peninsular Range, Near the Hagney Property on the SE side of Lake Matthews Comment
  CAS-BOT-BC231481  Lycium brevipes var. brevipes W. I. Follett; E. B. Follett 1966-4-25 s.n. Riverside Ancient beach line N. of Salton Sea State Park headquarters Comment
  UCR194209  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-6-4 10462 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA160518  Machaeranthera asteroides var. asteroides J. Olmstead 1959-9-23 1000 Riverside Base of San Jacinto Mtns. Valle Vista along road crossing of dry wash at junction of roads from Hemet and San Jacinto. Bautista Cyn. / San Jacinto Riv. drainage. 549 Comment
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Mar 27 2011
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  RSA795923  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2009-4-19 286 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  GMDRC6580  Madia elegans J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA561079  Malacothamnus densiflorus var. densiflorus Steve Boyd, Orlando Mistretta 1992-4-22 7006 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
  RSA95324  Malacothamnus densiflorus var. densiflorus F. W. Peirson 1926-5-2 6724 Riverside Grade north of Dripping Spring, Temecula River, southwestern Riverside Co. Comment
  CSUSB1445  Malacothamnus fasciculatus Sue Freeman 1966-5-15 Riverside Hillside above small creek by end of Two Trees Road, below reservoir, in Riverside. 335 Comment
  RSA0087584  Malacothamnus fasciculatus R. S. Woglum 1937-10-20 1192 Riverside Santa Rosa Mts. 1524 Comment
  UCR139155  Malacothrix californica S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UC218096  Malacothrix clevelandii P. A. Munz and I. M. Johnston 1922-5-19 5347 Riverside 5 mi ne Murietta 457 Comment
  UCR193312  Malacothrix clevelandii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35596 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  JOTR32120  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA278966  Malacothrix glabrata B. A. Prigge 1978-3-23 2413 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA760820  Malacothrix glabrata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 111 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA775943  Malacothrix glabrata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 953 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  SEINET9118732  Malacothrix glabrata C. H. Muller 1952-1 9498 Riverside 2 mi. E of Shavers Summit, E of Joshua Tree National Monument, South Gate. 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
  UCR82222  Malva parviflora J. M. Stewart 1994-5-2 840 Riverside Western Colorado Desert, Coachella Valley, Thermal, Highway 86 and Airport Blvd. Comment
  RSA192340  Malvella leprosa E. W. Lathrop 1966-9-14 6585 Riverside 3 miles SW of Murrieta. Comment
  RSA554214  Malvella leprosa A. C. Sanders, Chet McGaugh 1991-7-19 11147 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 348 Comment
  POM316964  Mammillaria dioica Edward Anderson 1962-2-24 1836 Riverside On the Palms to Pines highway out of Palm Springs. Northeast of the road amoung the rocks near a pull-put by a drinking fountain. San Jacinto Mountains. Comment
  JOTR34027  Mammillaria tetrancistra La Doux, Tasha, M. Harding 2010-4-7 2914 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA662129  Marah macrocarpa Daniel Curran 1981-2-16 10 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  UC28936  Marah macrocarpa Wright 1890-1 Riverside Colorado Desert Comment
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Nov 29 2010
  UCR174455  Marah macrocarpa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32629 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
  UCR175117  Marah macrocarpa Jennifer H. Jones, Toby Bartels 2006-4-23 278 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR96803  Marah macrocarpa A. C. Sanders 1997-3-1 19755 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA498353  Marina parryi Robert L. Dressler 1949-3-19 411 Riverside Box Canyon, Orocopia Mts. Comment
  UC68511  Marina parryi H. M. Hall Apr 1905 5846 Riverside Canyon Springs Colorado Desert Comment
  UCR74372  Marina parryi Theo Glenn 1991-5-2 91- 26 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA0023096  Marina parryi John F. Emmel 1995-4-22 1371 Riverside Valley between McCoy Mts. and Little Maria Mts.; large wash 00.6-0.7 air mile north and 0.9-1.2 air miles east of Black Jack Mine. 265 Comment
  SBBG121984  Marrubium vulgare S. D. White, A. Carey 2004-5-7 10335 Riverside Indian Crk and adjacent foothills 549 Comment
  SDSU13590  Marrubium vulgare W. Miller with C. Mosse 1972-7-20 Riverside R.C. Weather station north boundary. Comment
  UCR4135  Marrubium vulgare Ronald M. Cope 1965-3-25 s.n. Riverside Riverside, valley 0.5 mi. west of where Gage Canal goes underground after having crossed Le Conte Drive. Comment
  RSA747965  Matricaria occidentalis Justin M. Wood 2009-5-15 712 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR266285  Matricaria occidentalis D. E. Bramlet 2005-5-19 3860 Riverside Perris-Aguanga Basin Region, Stowe Vernal Pool, NW corner of the intersection of Stowe Rd. and California Ave., 7.9 km SW (249 deg. ) of Hemet, 3.4 km (62 deg. ) NE of Winchester 457 Comment
  UC1922000  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes. Comment
  UCR3351  Medicago sativa T. R. Plumb 1964-4-12 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Campus of Univ. of California, Riverside, Canyon Crest Drive at freeway underpass. 259 Comment
  RSA594519  Medicago sativa D. L. Banks, Rashmi Pant 1996-5-13 1024 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station (100 m E of where Hwy. 79 leaves the Forest Service Boundary)., On the S side of Hwy. 79. 487 Comment
  CLARK-A1528-5177  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  RSA515315  Melica imperfecta Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue., (Near 33 deg 31'N, 117 deg 14'W.) 610 Comment
  RSA801815  Melica imperfecta LeRoy Gross, Evan Meyer 2013-5-21 6109 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  SD244057  Melica imperfecta T. B. Salvato 2013-3-22 7410 Riverside Perris - Aguanga Basin: southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek. 395 Comment
  UCR168613  Melica imperfecta T. B. Salvato, John F. Green 2004-5-27 579 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SEINET10599478  Melica imperfecta Frank W. Gould 1944-4-4 Gould 2207 Riverside In Salvia apiana association 12 miles south of Corona on road to Elsinore. Comment
  RSA613318  Melilotus albus D. L. Banks 1997-3-1 1383 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  JOTR16750  Menodora scoparia Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT, 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  CLARK-A1528-573  Mentha citrata John C. Roos 1951-9-25 5289 Riverside Riverside 259 Comment
  PASA1547  Mentzelia albicaulis 4/28 Riverside Hidden Springs Comment
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Jun 24 2016
  RSA554202  Mentzelia albicaulis Theo Glenn 1991-4-9 91 -6 Riverside Big wash in Eagle Mountains 787 Comment
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Mar 4 2013
  GMDRC7793  Mentzelia involucrata J. M. Andre 2015-3-6 33559 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 561 Comment
  UCR256329  Mentzelia involucrata Duncan S. Bell 2012-3-18 3193 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  POM183473  Mentzelia involucrata var. megalantha J. Ewan 1930-4-18 3085 Riverside Dry Morongo Creek below Morongo Valley, Riverside County Comment
  RSA736553  Mentzelia laevicaulis Scott D. White, Angelia Carey 2004-7-2 10580 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA796509  Mentzelia micrantha Robert F. Thorne, E. W. Lathrop 1977-5-18 49719 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SBBG128616  Mercurialis annua O. F. Clarke 2011-4-10 Riverside O F Clarke residence, 266 Frost Court, E edge of UCR campus, S of the garage 365 Comment
  SD140168  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside Hemet, southwest corner of intersection of Florida Avenue (Highway74) and Warren Road, between New San Diego Aqueduct and Warren 459 Comment
  CAS-BOT-BC348453  Micropus californicus var. californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta Comment
  UCR217528  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-12 008 Riverside Perris-Aguanga Basin, French Valley, southeast foot of the Hogbacks, south of Warm Springs Creek, 0.9km east-southeast of the intersection of Auld Road and Hwy 79 407 Comment
  RSA192096  Microseris lindleyi E. W. Lathrop 1959-5-3 4512 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  UCR241925  Microseris lindleyi A. C. Sanders, Timothy W. Chumley 2013-3-28 40697 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  POM15020  Microsteris gracilis subsp. humilis Mary F. Spencer 1922-7-1 1969 Riverside Idyllwild. Comment
  RSA16511  Mimulus aurantiacus var. pubescens Percy C. Everett 1935-6-17 7147 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  RSA442706  Mimulus aurantiacus var. puniceus Bonnie C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. Comment
  UCR112307  Mimulus aurantiacus var. puniceus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23451 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR151972  Mimulus aurantiacus var. puniceus Steve Boyd, Aydee Virgen 2004-4-13 10850 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR235220  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-6-1 40239 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA504961  Mimulus bigelovii var. bigelovii D. Charlton 1988-2-18 1158 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  UCR41848  Mimulus bigelovii var. bigelovii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6101 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC1012086  Mimulus brevipes F. W. Pennell and A. L. Grant 1940-4-28 25275 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  UCR24433  Mimulus breweri John C. Roos 1937-8-18 2540 Riverside San Jacinto Mtns, Hidden Lake Comment
  RSA430184  Mimulus diffusus N. C. Cooper 1949-6-6 2002 Riverside San Jacinto Mts. above Pine Cove 2073 Comment
  UCR156286  Mimulus floribundus T. B. Salvato, Kent Beaman 2005-5-16 838 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
  UCR18484  Mimulus floribundus A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR202242  Mimulus fremontii 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
  SEINET9797064 Image available Mimulus fremontii Sharon McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  UC27063  Mimulus moniliformis H. M. Hall 1897-8-11 805 Riverside San Jacinto Mountains Comment
  SBBG101796  Mimulus palmeri S. Boyd 1991-5-10 6207 Riverside Bedford Truck Trail on ridge between Bedford and McBribe Cyns 853 Comment
  UC1518762  Mimulus pilosus Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38098 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  UCR216246  Mimulus pilosus Oleg Pryadko 2008-5-2 087 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  RSA763844  Mimulus puniceus Doris Bowers 1972-4-15 1849 Riverside Rancho California area 457 Comment
  UC667306  Mimulus rubellus Annie M. Alexander and Louise Kellogg 1941-5-6 2128 Riverside 13 mi sw 29 Palms; Joshua Tree National Monument 1371 Comment
  RSA788865  Mimulus suksdorfii Gary D. Wallace 2003-7-8 4037 Riverside Hidden Lake. Comment
  CAS-BOT-BC174764  Minuartia nuttallii var. gracilis George Robertson 21 Riverside Near Summit of Grayback near Redlands Comment
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Sep 3 2017
  HSC34753  Mirabilis laevis R. E. Cooksey Mar 1974 204 Riverside San Bernardino Mtns. White Water canyon 305 Comment
  SEINET3139976  Mirabilis laevis var. crassifolia R. W. Spellenberg 1996-5-26 12321 Riverside 4 km NW of Aguanga on Calif. Hwy. 79 510 Comment
  UCR120942  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA464248  Mirabilis laevis var. retrorsa H. de Forest 1924-07 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  SEINET3161596  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western border of the Colorado Desert 360 Comment
  SBBG28427  Mirabilis laevis var. villosa D. Myrick 1964-4-30 832 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 1066 Comment
  UCR272307  Mirabilis tenuiloba Duncan S. Bell, Sarah J. De Groot, Cheryl Sevilla 2015-2-10 7744 Riverside Santa Rosa Mountains, a narrow unnamed canyon c. 2 air miles south of La Quinta, and c. 5.25 air miles northeast of th summit of Martinez Mountain 232 Comment
  JOTR31889  Mohavea confertiflora La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2139 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  SDSU10812  Mohavea confertiflora A. H. Gallup 1949-3-28 384 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], east slope, Colorado Desert drainage area, in bottom of dry wash. 152 Comment
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Jan 30 2013
  UC1080455  Mohavea confertiflora P. C. Everett and E. K. Balls 1958-4-29 1650 Riverside just w of Cactus City (U.S. Highway 60/70, Indio to Blythe) 502 Comment
  UCR148451  Mohavea confertiflora S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR163875  Mollugo cerviana B. G. Pitzer 2000-11-4 4243 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR251724  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 58 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UC1995359  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside trail to Round Valley; San Jacinto Mts. Comment
  CAS-BOT-BC249027  Monardella breweri subsp. lanceolata A. C. Sanders; Tim Thomas; T. B. Salvato; Mitch Provance 2008-7-1 35656 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
  SEINET4082822  Monardella breweri subsp. lanceolata O. M. Clark 1932-1 5113 Riverside South Hemet. Comment
  RSA0005446  Monardella hypoleuca D. L. Banks 1997-2-5 1256 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., Including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  LA62737  Monardella linoides subsp. linoides Carl Epling; 1942-8-6 sn Riverside 2.5 E of Thomas Mt. Tavern, Pines to Palms Hwy Comment
  UC1995341  Monardella linoides subsp. linoides C. Epling Jun 1938 Riverside Pines to Palms Highway Comment
  LA96099  Monardella nana Elizabeth McClintock; H. Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  LA96100  Monardella nana Elizabeth McClintock; H. Lewis 1941-6-22 71 Riverside 0.1 mi. from fork in road going to the public camps, on Banning-Idyllwild road Comment
  UC1499932  Monardella nana E. McClintock, H. Lewis 1941-6-29 78 Riverside Santa Rosa Mt. road, 2.3 mi beyond canyon where stream crosses road Comment
  RSA651658  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 107 Riverside San Jacinto Mountains. Trail to Deer Springs, a short distance below first spring which crosses trail. Comment
  RSA750402  Monardella nana subsp. arida Elizabeth McClintock 1940-9-1 s.n. Riverside San Jacinto Mts. Trail between Tahquitz Valley and Hidden Lake. Comment
  RSA750414  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 0.5 miles above Pines to Palms Highway. Comment
  IRVC2062  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  RSA750273  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 73 Riverside Road to Black Mt. 1.5 miles above Banning-Idyllwild road, just beyond snow gate. Comment
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Mar 23 2014
  RSA750315  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside San Jacinto Mts. on slope south of Strawberry Creek and west of Domengonio Flats. Comment
  UCR18617  Monolepis nuttalliana O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  JOTR31922  Monoptilon bellioides La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2164 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  POM250432  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs. Comment
  POM363582  Monoptilon bellioides Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  UCR50646  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  RSA740650  Montia fontana Scott D. White, Justin M. Wood 2008-6-19 12270 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  SBBG59549  Muhlenbergia filiformis R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UCR2580  Muhlenbergia filiformis F. M. Reed 1928-7-10 6019 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  CAS-BOT-BC275254  Muhlenbergia microsperma Rateaver 1944-2-21 59 Riverside Tahquitz Creek, Palm Springs Comment
  CHSC61257  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. 487 Comment
  RSA0018893  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA525258  Muhlenbergia microsperma Steve Boyd, L. Arnseth, Yvonne Rasmussen, H. Cota 1990-5-3 4571 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  UCR181625  Muhlenbergia microsperma Mitch Provance 2004-5-1 7604 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  CAS-BOT-BC275041  Muhlenbergia richardsonis H. M. Hall 1901-7-1 2477 Riverside San Jacinto Mountains. Tamarack Valley 2804 Comment
  UCD87089  Muhlenbergia rigens William M Klein 1960-8-22 1584 Riverside North of Idyllwild along the trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mts. Comment
  JEPS29484  Muilla maritima Lauramay T. Dempster 1962-4-18 1898 Riverside Palms-to-Pines Hwy Pinyon Flats 1066 Comment
  JEPS62068  Muilla maritima W. L. Jepson 1901-5-20 1325 Riverside Thomas Valley Comment
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Feb 16 2013
  RSA680487  Muilla maritima Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9593 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR126383  Muilla maritima A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 692 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR3290  Muilla maritima Tom Painter 1964-5-16 5-16-64- 01 Riverside San Bernardino Valley/Perris-Aguanga Basin, Box Springs Mtn., 1.2 mi SW of intersection of Pigeon Pass Road and Box Springs Road 765 Comment
  UCR113548  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA124411  Nama demissa Percy C. Everett, E. K. Balls 1958-4-29 9830 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City. 549 Comment
  RSA421096  Nama demissa N. R. Zabriskie, W. M. Zabriskie 1973-4-25 644 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  RSA421115  Nama demissa Robert M. Perkins 386 Riverside 26 miles East of Indio. Comment
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Mar 9 2014
  UCR119340  Nama demissa B. G. Pitzer 2000-5-7 4127 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
  POM8457  Nama demissa var. deserti Mary F. Spencer 1920-4-5 207 Riverside Palm Springs, Colorado Desert. 122 Comment
  UCSB5303  Nama depressa Krogen, Roger 1957-1 Riverside 26 mi. E of Indio on Hwy. 60-70; near S entrance to Joshua Tree Nat. Parl Comment
  UCSB31051  Nama hispida Steele, R. 1977-3-29 Riverside Five miles southeast of Interstate 10; on Box Canyon Road 365 Comment
  UCR245247  Nama hispida var. spathulata Jim Andre 2012-3-19 21340 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  UCR157356  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 s.n. Riverside San Jacinto Valley, Mystic Lake, lakeshore west of Bridge Street intersection with Gilman Springs Road 436 Comment
  SEINET231382  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama; Robert F. Thorn 1985-3-27 890 Riverside Santa Rosa Plateau Mesa de Colorado 610 Comment
  RSA741012  Nasturtium officinale Scott D. White, Justin M. Wood 2008-6-18 12229 Riverside K Flat Meadow. 1433 Comment
  RSA642462  Navarretia fossalis Stan C. Spencer 1994-4-16 4416 -21 Riverside From Winchester E 2 mi to California Av then N ca 1 mi to Stowe Rd NW of inters 20 m. Comment
  RSA468367  Navarretia prostrata Robert Gustafson, Gary D. Wallace 1983-6-23 2712 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  CAS-BOT-BC109108  Nemacaulis denudata var. gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 304 Comment
  CAS-BOT-BC109109  Nemacaulis denudata var. gracilis Barbara Ertter; Jeffrey Strachan 1980-5-20 3475 Riverside On north side of Whitewater Wash, west side Miles Avenue N of Highway 111 between Palm Desert and Indio at Indian Wells. 30 Comment
  CAS-BOT-BC109113  Nemacaulis denudata var. gracilis S. B. Parish 1906-5-1 827 -6718 Riverside On Colorado desert at Palm Springs. Comment
  JEPS22335  Nemacladus orientalis Peter H. Raven 1958-3-1 11748 Riverside 8.6 mi n Blythe (on U.S. Highway 95) Comment
  RSA439259  Nemacladus ramosissimus N. C. Cooper 1944-5-21 1239 Riverside San Jacinto Mountains, West side 915 Comment
  RSA75132A  Nemacladus tenuis var. tenuis F. W. Peirson 1920-2-16 4681 Riverside Palm Canyon, near below Palm Springs Comment
  POM13005  Nemophila menziesii P. A. Munz, D. M. Johnston 1922-5-19 5426 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  RSA421340  Nemophila menziesii D. A. Young 1969-4-12 ps 28 Riverside 10 mi SE of Hemet, 200 yrs. E. of State St. in a wash. 335 Comment
  UCR16820  Nemophila menziesii S. M. Chambers 1970-5-9 19 Riverside Santa Rosa Mtns., State Hwy 74, 1 mi. west of Santa Rosa Mountain Road 1220 Comment
  CSUSB771  Nicotiana bigelovii Dick Bernier 1966-4-10 Riverside Found along the road in a ditch just before you enter the dirt road to the Santa Ana Mountains from Murrieta. 548 Comment
  JOTR16862  Nicotiana obtusifolia Vanderspek & Youse 1964-4-17 64510 Riverside Joshua Tree National Park. 883 Comment
  JOTR37484  Nicotiana obtusifolia Heintz, James, A. Ingersoll 2015-10-29 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains, tributary to Cottonwood Canyon, near Wood Spring Comment
  UCD126754  Nicotiana obtusifolia H. S. Yates 1936-4-7 5448 Riverside 8 miles north of Mecca. 457 Comment
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  RSA0018755  Nicotiana obtusifolia Kraemer 1929-3-17 s.n. Riverside S. La Quinta. Comment
  UC444935  Nicotiana quadrivalvis F. M. Reed 1905-9-25 247 Riverside Riverside Comment
  UCR16396  Nicotiana quadrivalvis Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns, along Hwy 74, 3.19 mi from Orange County line, in Riverside Co., about 1/3 from the top of the canyon, coastal side of the mountains 457 Comment
  RSA5582  Nolina bigelovii Carl B. Wolf 1932-10-13 4315 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  CAS-BOT-BC131883  Nolina parryi Philip A. Munz 1937-5-29 15156 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  LA22820  Nolina parryi Carl Epling; 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  POM12744  Nolina parryi Philip A. Munz 1922-6-30 5920 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  SD236421  Nuttallanthus texanus John F. Green 2006-4-25 Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residental areas, N-S corridor between S General Kearny Road and La Serena Way; E of Veterans park 366 Comment
  CAS-BOT-BC171495  Oenothera californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario Comment
  SEINET10491855  Oenothera californica Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7143 Riverside Scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild road and hwy 74 on 74. 1341 Comment
  POM159450  Oenothera californica subsp. californica P. A. Munz 1927-5-21 10835 Riverside Coahuila Valley. Comment
  UC20447  Oenothera californica subsp. californica H. M. Hall June 1901 2143 Riverside along borders of Colorado Desert eastern base of San Jacinto Mountains Comment
  POM355583  Oenothera deltoides subsp. deltoides N. R. Zabriskie, W. M. Zabriskie 1973-3-19 574 Riverside Triangle formed S of Freeway (I-10), N of Ramon Rd., E of intersection with Bob Hope Dr., N of Palm Desert, Coachella Valley. (Site 19). 61 Comment
  SEINET5345712  Oenothera deltoides var. deltoides H. M. Hall 1905-1 5926 Riverside Colorado Desert, McCoy Wash 91 Comment
  CLARK-A1528-5707  Oenothera dentata John C. Roos 1937-4-18 1365 Riverside Cabazon Comment
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Jun 24 2020
  UCR161199  Oenothera elata subsp. hirsutissima T. B. Salvato, Kelly Volansky 2003-3-27 120 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR145793  Oenothera elata subsp. hookeri June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR1514  Oenothera primiveris W. R. Moberly 1962-1-31 620131- 01 Riverside Sonoran (Colorado) Desert, 8 mi. north of Desert Center on Desert Center-Rice Road 152 Comment
  SEINET7909440  Oenothera speciosa P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  CAS-BOT-BC427462  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road. 121 Comment
  UC1929313  Oncosiphon piluliferum Scott D. White, Justin Wood 2008-5-1 11925 Riverside Perris Basin; I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR167374  Opuntia basilaris 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
  UCD97977  Opuntia basilaris var. basilaris Geoffrey Levin 1974-3-30 7 Riverside Chino Canyon below the tramway. 426 Comment
  SBBG88115  Opuntia littoralis A. C. Sanders 1984-4-21 5013 Riverside Moreno Badlands at edge of San Jacinto Valley, along Gilman Springs Rd, 1.5 mi NW of Gilman Hot Springs, 0.4 mi W of Sanderson Ave. (Lamb Cyn Rd) 487 Comment
  RSA22787  Opuntia phaeacantha C. B. Wolf, P. C. Everett 1938-9-29 9462 Riverside 9 miles from Temecula on road to Aguanga. Fork of Temecula wash. 335 Comment
  CAS-BOT-BC254293  Orcuttia californica P. A. Munz; I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 426 Comment
  NY9648  Orcuttia californica C. W. Thorne 1975-8-29 47312 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY9649  Orcuttia californica C. W. Thorne 1975-8-29 47318 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA356646  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 79300 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA788726  Orobanche cooperi Duncan S. Bell 2012-3-8 3153 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  RSA291602  Orthocarpus purpurascens C. W. Tilforth, Walter Wisura 1979-4-11 1779 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  POM11502  Osmorhiza berteroi P. A. Munz 1922-7-6 6031 Riverside Between Tahquitz and Round Valley. 2195 Comment
  SBBG132501  Oxalis californica S. D. White 2003-3-21 8825 Riverside Rancho Mission Viejo, E-facing slopes above an unnamed tributary to San Juan Crk 122 Comment
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May 28 2018
  UC1929717  Oxalis californica Scott D. White 2003-3-21 8825 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
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May 28 2018
  CLARK-A1528-692  Paeonia californica John C. Roos 1937-4-17 Riverside Aguanga Comment
  CDA8438  Palafoxia arida M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  RSA796476  Palafoxia arida Duncan S. Bell 2009-4-18 204 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
  OBI28972  Palafoxia arida var. arida David J. Keil 1976-11-28 11878 Riverside Just E of Indio along I-10 Comment
  RSA779200  Palafoxia arida var. arida J. Andre 2011-2-9 15937 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UC1601184  Palafoxia arida var. arida Philip A. Munz 1932-3-14 11975 Riverside Deep Canyon Coachella Valley 91 Comment
  UC166696  Palafoxia arida var. arida Geo. B. Grant May 1-10, 1906 906 -6748 Riverside Palm Springs Colorado Desert Comment
  UC667291  Palafoxia arida var. arida Annie M. Alexander and Louise Kellogg 1941-5-12 2163 Riverside road to Black Eagle Mine Eagle Mountains 670 Comment
  SEINET10788752  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 2 Riverside S of Whitewater, Northern San Jacinto Mountains 100-200 m S of Hwy 111, on NE aspect, steep slope sand deposits on base of mountains. 311 Comment
  UCD170911  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon. 317 Comment
  RSA448022  Parietaria hespera var. hespera E. S. Spalding 1926-2-14 15046 Riverside Palm Canon. Mesophytic habitat. Comment
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Sep 10 2011
  UCR113896  Parietaria hespera var. hespera Mitch Provance 1998-4-14 439 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  SEINET3107289  Parkinsonia microphylla Sears 1977-10-12 S- 560 Riverside Corn Springs Road in Corn Springs Wash; 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  RSA698050  Parosela schottii J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  SEINET244829 Image available Paspalum distichum A. C. Sanders 1999-9-26 23090 Riverside San Jacinto Mountains: Lake Hemet, north shore at FS day use area 1323 Comment
  RSA339330  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53567 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
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Apr 25 2011
  RSA782002  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-13 113 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  SEINET10292270 Image available Pectis papposa var. papposa April Garbat, Deirdre Conocchioli 2013-9-12 125 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: East of Alligator Rock; From I-10 at Desert Center, head south on CA-177 to BLM 394 (dirt). Collection site is 1.1 miles SW of insterstate exit ramp. 334 Comment
  CDA40696  Pectocarya heterocarpa T. C. Fuller 1962-4-4 8000 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  RSA727008  Pectocarya heterocarpa Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR272257  Pectocarya heterocarpa Duncan S. Bell, Thomas R. Stoughton 2010-3-19 578 Riverside Mojave Desert, west side of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.5 air miles west of Priest Well 418 Comment
  UCR225507  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-29 38877 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR85188  Pectocarya linearis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16180 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  POM368765  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-2-28 3237 Riverside 2 mi. southeast of Corona 274 Comment
  RSA769651  Pectocarya linearis subsp. ferocula Duncan S. Bell, Naomi Fraga 2010-4-22 852 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 771 Comment
  POM368779  Pectocarya penicillata Ora M. Clark 1929-4-6 1958 Riverside S. Hemet Comment
  UCR228914  Pectocarya penicillata A. C. Sanders 2011-4-7 39029 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
  UCR234252  Pectocarya penicillata A. C. Sanders 2012-4-12 40021 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  RSA346616  Pectocarya peninsularis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54034 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UCR84836  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  JOTR33868  Pectocarya platycarpa La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3054 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  JEPS30584  Pectocarya recurvata S. B. Parish 1920-3-25 20001 Riverside Colorado Desert, San Jacinto, Palm Springs Comment
  JOTR38689  Pectocarya recurvata Hodges, Stephen R. 2017-2-7 705 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  SD70779  Pectocarya recurvata D. B. Dunn, Shogo, Schroeder, Bruskin and Folsom 1948-3-13 3723 Riverside Indio Hills, Colorado Desert, near Pushawalla. Comment
  UCR88291  Pectocarya recurvata A. C. Sanders, K. C. Rose 1995-4-5 16386 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCSB38687  Pectocarya setosa Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct with Hwy. 111 at Indian Wells; Sta. Rosa Mt. Rd.; 1.9 mi. (3 km.) S of 74 Comment
  CAS-BOT-BC69223  Pellaea andromedifolia Winfield 1975-5-4 2361 Riverside Highway 74 mile marker 52 22 914 Comment
  RSA686923  Pellaea mucronata T. R. Pray 1960-3-4 1648 Riverside Andreas Canyon Comment
  SD153020  Pellaea mucronata subsp. mucronata Steve Boyd, Tim Ross 1992-5-5 7220 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET3082643 Image available Pellaea mucronata var. californica Jim Andre, T. La Doux 2008-9-16 10703 Riverside Mojave Desert: Joshua Tree National Park, on the southwest end of Splitrock Picnic Area (Queen Mountain 7.5'Q.) 1290 Comment
  JOTR30214  Pellaea mucronata var. mucronata Leary, C. and Leary, Pat 1979-5-5 2989 Riverside Joshua Tree National Park. On west facing slope above Lower Covington Flats, Joshua Tree National Monument; T2S R7E sec 6 Comment
  JOTR30783  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  RSA662561  Penstemon centranthifolius Tamara Joy Hanna 1991-5-4 6 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east of Coyote Canyon Road (dirt) approx. 2 miles. 1220 Comment
  RSA698918  Penstemon centranthifolius J. Vlahos 1934-6-3 s.n. Riverside Transition zone. Comment
  SFV17407  Penstemon clevelandii M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-5 73 Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  POM4305  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  NY583953  Penstemon clevelandii var. connatus R. F. Thorne 1978-4-23 52077 Riverside Bighorn Lookout: north slope of Santa Rosa Mountains Comment
  UC27487  Penstemon grinnellii H. M. Hall 1897-7-28 737 Riverside San Jacinto Mts. 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
  JEPS11261  Penstemon labrosus M. French Gilman c. 1918 741 Riverside Mt. San Jacinto Comment
  NY650487  Penstemon rostriflorus G. D. Wallace 1966-7-3 633 Riverside East end of the San Jacinto Mountains up Thomas Mountain Road Comment
  SEINET10376031 Image available Penstemon rostriflorus Gary Wallace, D. Wilken 1966-7-3 633 Riverside East end of the San Jacinto Mountains up Thomas Mountain Road Comment
  UC27405  Penstemon rostriflorus H. M. Hall 1898-6-25 940 Riverside Van de Venter's San Jacinto Mountains, , Van de Venter's (El Toro Mt.) 1356 Comment
  RSA653390  Penstemon spectabilis Mitch Provance 1998-6-11 682 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  NY661159  Penstemon spectabilis var. spectabilis P. A. Munz 1923-6-14 7063 Riverside Santa Ana Mountains. Trail, Glen Ivy to Santiago Peak 1219.2 Comment
  NY661185  Penstemon spectabilis var. spectabilis H. K. Sharsmith 1954-7-7 4445 Riverside On highway between Banning and Idlewild, near Fuller Creek, San Bernardino National Forest. 1828.8 Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA0034536  Peritoma arborea D. Dunlop 1977-3-21 204 Riverside Desert Hot Springs. Comment
  LA99481  Peritoma arborea var. angustata Hisao P. Arai; 1957-4-17 sn Riverside off Highway 60; 1 mi. S of Cabazon Comment
  UCD116370  Peritoma arborea var. angustata Richard Bates 1949-4-25 s.n. Riverside Palm Springs area, Palm Canon. Comment
  CAS-BOT-BC355996  Perityle emoryi L. R. Abrams 1926-3-26 11012 Riverside Palm Springs Comment
  POM122891  Perityle emoryi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA703809  Perityle emoryi LeRoy Gross 2005-3-3 1600 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SD114138  Persicaria lapathifolia Darley F. Howe 1945-9-21 1365 Riverside Ditch by road, Arlington Comment
  RSA20300  Petalonyx thurberi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9568 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  SJSU6730  Petalonyx thurberi C. W. Sharsmith 1974-1-6 8015 Riverside Palm Springs Comment
  POM264161  Petunia parviflora J. C. Roos 1937-6-7 498 Riverside South of Sage. Comment
  POM121857  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA696807  Peucephyllum schottii J. R. Bruff 1928-4-2 96 Riverside Canyon wash west of Morango Comment
  UCR227006  Peucephyllum schottii Jim Andre 2011-2-2 16237 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  RSA425999  Phacelia ambigua Robert Gustafson 1982-5-19 2562 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA678225  Phacelia ambigua Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1094 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  RSA769029  Phacelia brachyloba E. W. Lathrop 1968-5-30 6939 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 Comment
  UCR274805  Phacelia campanularia subsp. campanularia Aaron C. Sedgwick, David Fraker 2012-3-28 37 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCR18538  Phacelia ciliata O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  SD146240  Phacelia crenulata A. C. Sanders, T. B. Salvato and Mitch Provance 2000-4-25 23363 Riverside East side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3.0 miles east of Thermal. 14 Comment
  UCR116810  Phacelia crenulata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23940 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR138574  Phacelia crenulata Steve Boyd, Orlando Mistretta 1986-3-13 1440 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR148050  Phacelia crenulata Steve Boyd, Et al. 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR167265  Phacelia crenulata var. ambigua John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  JOTR34145  Phacelia crenulata var. minutiflora La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3162 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  CLARK-A1656-681  Phacelia distans Milton Walker 1978-3-10 Riverside Joshua Tree National Park Comment
  JEPS2376  Phacelia distans W. L. Jepson 1927-4-12 11672 Riverside Mecca Painted Canyon 76 Comment
  OBI40189  Phacelia distans N. Miles Fellows 1985-3-3 85 Riverside Oasis de los Osos Preserve, off Snow crk Cyn at the N foot of the San Jacinto mts, 1 mi W of Snow Crk Village. T3S, R3E S1/2 sec 20 488 Comment
  RSA314656  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA500213  Phacelia distans Steve Boyd, Tim Ross, L. Arnseth 1989-5-7 3530 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD95164  Phacelia distans Sally Bonnett 1973-4-21 35 Riverside Pinon Flats campground between San Jacinto and Santa Rosa mountains on Highway 74 Comment
  UCR165915  Phacelia distans T. B. Salvato, John F. Green 2004-5-27 558 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SEINET10420007  Phacelia distans Norman C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  RSA249836  Phacelia imbricata subsp. patula Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38100 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1677 Comment
  SFV4383  Phacelia minor F. M. Ball 1964-1-4 66 6 Riverside San Bernardino Mountains Whitewater Canyon. About 1 mile north of main Banning to Indio Highway (16 miles east of Banning). East-facing slope. 475 Comment
  UCR274288  Phacelia minor T. B. Salvato, Melissa Clemons 2005-6-6 1414 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UC1228370  Phacelia mutabilis L. R. Heckard 1956-6-28 769 Riverside between Tahquitz Valley and Little Tahquitz Valley; San Jacinto Mountains 2316 Comment
  RSA0108816  Phacelia neglecta Duncan S. Bell, Amanda Turek 2009-3-30 188 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SEINET1004522  Phacelia ramosissima Mitch Provance 2003-1 6527 Riverside San Bernardino Valley: S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just S of Fontana (in the southridge area), along the NW slopes of the Jurupa Mountains, ca. 0.3 miles ENE of peak 1437. 317 Comment
  UCR22110  Phacelia ramosissima Steve Boyd 1980-5-15 280 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR261176  Phacelia ramosissima A. C. Sanders, Katie Young, John Hale 2015-4-22 41602 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  RSA428289B  Phacelia ramosissima var. latifolia Christopher Davidson 1975-6-16 2820 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  JOTR36459  Phacelia rotundifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3429 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UC699662  Phacelia suaveolens var. keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak Santa Ana Mts. (type locality) 1219 Comment
  RSA676038  Phalaris minor Scott D. White 2001-4-11 8290 Riverside SONORAN DESERT: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UCR191538  Phalaris minor A. C. Sanders 2008-4-15 34885 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR174148  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32569 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
  CAS-BOT-BC128868  Philadelphus microphyllus Philip A. Munz 1938-8-14 15392 Riverside About rocks, ridge east of Toro Peak - Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC128869  Philadelphus microphyllus Edmund C. Jaeger 1922-8-16 s.n. Riverside Ridges on rim of San Jacinto Mts. above Chino Canyon [Canon] - San Jacinto Mts. 2590 Comment
  UC2030089  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  CAS-BOT-BC219552  Pholisma arenarium James N. Clark 1926-5-16 s.n. Riverside Near Gold Coin Mine Comment
  RSA0043161  Pholistoma auritum var. auritum Scott D. White, Justin M. Wood 2008-3-25 11784 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  POM46798  Pholistoma membranaceum Mary F. Spencer 1920-4-7 1582 Riverside Palm Canyon, Colorado Desert 183 Comment
  SFV6317  Pholistoma membranaceum T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 34 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCD120944  Pholistoma membranaceum Geoffrey Levin 1976-3-27 685 Riverside Riverside County; Chino Canyon, west of Palms Springs, Mt. Range: Alluvial fan of San Jacinto Mts., Drainage area: Salton Sea Basin 396 Comment
  UC306123  Phoradendron californicum I. Johnston Apr 4 1917-Apr 6 1917 Riverside Colorado Desert, Palm Canyon 457 Comment
  UC68680  Phoradendron californicum H. M. Hall May, 1905 6014 Riverside Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  UCR196346  Phoradendron californicum Naomi Fraga, Lisa Rojas 2005-2-10 1413 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  LA209829  Phoradendron juniperinum Louis C. Wheeler; 1931-10-3 243 Riverside San Jacinto Mountains, 1.5 mi NW Tahquitz Peak 1920 Comment
  UCD105049  Phoradendron juniperinum K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 17 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (I-10). 1632 Comment
  UCR94257  Phoradendron macrophyllum Scott D. White 1996-4-14 3916 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  JOTR36412  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA296146  Phoradendron villosum Barry A. Prigge 1980-8-18 3973 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  UC51623  Phragmites australis J. B. Davy 1902-4-2 8045 Riverside Salton Comment
  UCR240205  Phragmites australis C. J. Minar 1994-5-7 11 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UCSB71043  Phragmites australis Lambert, Adam 2007-2-19 Riverside Thousand Palms Canyon. Thousand Palms Canyon Road Comment
  UCR239828  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
  CSUSB762  Physalis crassifolia Jean Texera 1970-3-27 Riverside About 3 miles south of Palm Desert on dirt road continuation of Portola Ave., 25 feet north of Deep Canyon Desert Research Center fence, 175 feet west of road on edge of wash. 204 Comment
  RSA515207  Physalis crassifolia Steve D. Boyd 1986-3-13 1483 Riverside West Side Palen Mountains: NE of Desert Center; First large canyon at NW tip of western segment of range. Comment
  UC1143155  Physalis crassifolia H. S. Yates 1937-3-23 6430 Riverside Painted Canyon; Thermal Quad. 121 Comment
  UCR20833  Physalis crassifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1318 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR31807  Physalis crassifolia Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  UCR74361  Physalis crassifolia Theo Glenn 1991-5-2 91- 20 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  POM11828  Pilularia americana P. A. Munz, I. M. Johnston 1922-5-19 5567 Riverside Menifee Valley. 427 Comment
  UCD134855  Pinus monophylla Lionel A. Stange 1956-3-31 s.n. Riverside Burn's Spring. Comment
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Mar 13 2014
  MACF019830  Pinus quadrifolia B. Thomas 1967-10-1 52 - Riverside Hwy. 74 coming up from Palm Desert in the San Jacinto Mountain Range 1371 Comment
  UCR230198  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-29 39361 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR174156  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32597 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
  UCR97723  Plagiobothrys collinus Scott D. White 1997-2-9 4675 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  POM8982  Plagiobothrys collinus var. californicus P. A. Munz, Harwood 1920-3-20 3378 Riverside 5 miles S of Corona. 305 Comment
  RSA716876  Plagiobothrys collinus var. californicus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25847 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR22097  Plagiobothrys collinus var. californicus Steve Boyd 1980-4-27 144 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  POM13639  Plagiobothrys collinus var. fulvescens P. A. Munz 1922-6-30 5912 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA613752  Plagiobothrys leptocladus Scott D. White 1993-4-25 1276 Riverside Winchester Hills area: agricultural fields, near vernal pools Comment
  UCR92708  Plagiobothrys leptocladus A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18048 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA560361  Plantago erecta Steve Boyd 1992-4-14 6820 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA574743  Plantago erecta Steve Boyd 1982-3-30 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively mined area. 427 Comment
  UCR26531  Plantago erecta A. C. Sanders, S. Hagopian 1981-5-20 2125 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  SEINET12284339  Plantago insularis J. F. Bright, Wyman, C. 1933-1 8059 Riverside near Palm Springs Comment
  RSA228821  Plantago major Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 603 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  JEPS127776  Plantago ovata Adam C. Schneider with Will Freyman 2014-2-16 411 Riverside East side of Highway 177. Comment
  SEINET4559909  Plantago ovata J. Andre 2012-1 21354 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UC1595788  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4626 Riverside 7.7 mi ne Mecca (on Box Canyon Rd) Comment
  UC710903  Plantago ovata C. L. Hitchcock 1940-4-4 5952 Riverside Pinto Basin 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
  POM46952  Plantago ovata var. fastigiata Mary F. Spencer 1918-4-13 801 Riverside Palm Springs. 137 Comment
  RSA709893  Plantago ovata var. fastigiata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4594 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 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
  UCR266779  Plantago patagonica Mitch Provance, Matt Amalong 2015-3-25 315- 25 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
  UCR120911  Platanus racemosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24951 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UC167978  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 12 Riverside Wilders near Riverside; near Riverside Comment
  UCR103918  Platystemon californicus B. G. Pitzer 1997-4-11 3114 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
  UCR113138  Platystemon californicus A. C. Sanders 1998-3-11 21686 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR27198  Platystemon californicus Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  RSA766067  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine St. at Peach Tree St. 341 Comment
  RSA532573  Plectritis ciliosa subsp. insignis D. Bramlet 1991-4-30 2095 Riverside Shipley Reserve. Fotthills, some 2.4 km south of Crown Valley and 2 km. east of Rawson Canyon. The population is in ther northern foothills of Black Mtn., some 830m southeast of knoll 761m. 760 Comment
  POM13268  Pleuraphis rigida E. C. Jaeger 1921-4-5 123 Riverside Murray Canyon. Comment
  POM320420  Pleuraphis rigida Lynne Hayden 1970-3-24 57 Riverside Palm Springs, Chino Canyon, first alluvial fan 549 Comment
  RSA414080  Pleuraphis rigida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA678444  Pleuraphis rigida Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 -A Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  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
  UC818430  Pleuraphis rigida Ivan Johnston Apr 4 1917-Apr 6 1917 1093 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon 243 Comment
  POM6546  Pleurocoronis pluriseta P. A. Munz, L. T. Street, Williams 1919-3-25 2329 Riverside Palm Springs. Comment
  RSA700971  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 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
  UCSB17336  Pleurocoronis pluriseta Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
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Mar 1 2014
  POM10245  Pluchea sericea H. M. Hall 1904-5-24 4958 Riverside Along Santa Ana River, near Riverside Comment
  UCR173156  Pluchea sericea Abby Sirulnik 2000-4-15 08 Riverside Sonoran (Colorado) Desert; Imperial Valley, Near Mecca, along Calif. Hwy 195, c. 1 mi west of intersection with Calif. Hwy 111 58 Comment
  UCR2675  Poa annua F. M. Reed 1935-4-2 9263 Riverside Car storage tracks 2 miles south of Perris 436 Comment
  SD156727  Poa bulbosa Unknown 1940-4-30 Riverside Temecula Comment
  RSA0013700  Poa bulbosa subsp. vivipara LeRoy Gross, Grace Cho 2013-4-9 5998 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA741114  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  JOTR33942  Poa secunda subsp. secunda La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2831 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
  UCR88166  Polygonum argyrocoleon A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16075 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  CAS-BOT-BC413938  Polygonum aviculare subsp. aviculare H. A. Zuill 1966-6-27 244 Riverside 2-4 miles WSW of Murrieta Comment
  CAS-BOT-BC413939  Polygonum aviculare subsp. aviculare Peter Kamb 1948-2-1 763 a Riverside Valley in the Jurupa Mts west of Colton, San Bernardino/Riverside County 304 Comment
  CAS-BOT-BC414404  Polygonum douglasii H. M. Hall 1901-7-1 2446 Riverside San Jacinto Mountains 2438 Comment
  RSA523504  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3964 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  CLARK-A1528-87  Polypogon monspeliensis Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  SBBG53740  Polypogon monspeliensis S. Boyd 1980-4-13 Riverside Harford Springs County Park, NW corner of the Gavilan plateau Comment
  IRVC172  Polystichum imbricans subsp. curtum Carol Hooven 1965-4-24 HS 559 Riverside Highway 79. Comment
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Nov 30 2014
  SD70783  Populus fremontii David B. Dunn, H. Lint 1948-1-25 3632 Riverside Pushawalla canyon, Indio Hills. Comment
  UCR230922  Populus fremontii T. B. Salvato, Richard Camacho 2011-6-12 5474 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA92883  Populus fremontii F. W. Peirson 1928-3-10 7699 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  RSA0119875  Porophyllum gracile Duncan S. Bell, Thomas Stoughton 2016-4-12 9231 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA124075  Porophyllum gracile P. C. Everett, E. K. Balls 1958-4-29 23035 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  RSA463701  Porophyllum gracile Harold Lint 1958-5-25 2035 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UCR54039  Portulaca oleracea A. C. Sanders 1988-11-6 8738 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  UCR202447  Potentilla glandulosa 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
  POM48191  Potentilla gracilis var. fastigiata Mary F. Spencer 1919-7-1 1370 Riverside Idyllwild. 1616 Comment
  UCR101521  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside Colorado/Mojave Desert, Little Maria Mountains, bajada at SW end of Rice Valley along Midland Road, just north of pass between Little and Big Maria Mountains. 274 Comment
  UCR134638  Proboscidea althaeifolia Nancy K. Cione 2004-4-28 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, NE of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  CAS-BOT-BC206985  Prosopis glandulosa var. torreyana Alice Eastwood 1913-4-30 3063 Riverside Palm Springs Comment
  CAS-BOT-BC206990  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  RSA643304  Prosopis glandulosa var. torreyana R. D. Goeden, D. W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert: Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saing ''Edmund C. Jaeger Nature Sanctuary'' in bottom of canyon at old road crossing. 366 Comment
  RSA87021  Prosopis glandulosa var. torreyana F. W. Peirson 1920-6-22 4068 Riverside Temescal Canyon north of Elsinore 290 Comment
  UC1129887  Prosopis glandulosa var. torreyana H. S. Yates 1936-4-6 5411 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UCD166277  Prosopis glandulosa var. torreyana Jack Major 1962-4-17 791 Riverside On the outskirts of Palm Desert. (Exact location unkown. Coordinates estimated by label maker.) Comment
  UCSB28886  Prosopis glandulosa var. torreyana Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  SEINET10943907  Prunus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12848 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 several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR17466  Prunus fasciculata N. R. Zabriskie, W. W. Zabriskie 1971-4-9 386 Riverside Peninsular Range; Santa Rosa Mtns., Below level of road, 10 feet south of Hwy 74 between Sugar Loaf Cafe and entry gate to service road. Deep Canyon watershed, north slope of Mtns 1220 Comment
  CAS-BOT-BC158294  Prunus fasciculata var. fasciculata Peter H. Raven 1958-5-5 12889 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  UCR35156  Prunus fremontii L. B. Ziegler 1969-4-9 340 Riverside San Jacinto Mtns., Pinyon Flats. Near Palm Canyon Drive 1250 Comment
  SD137634  Prunus ilicifolia subsp. ilicifolia Darin L. Banks, Peter Morrell 1995-5-4 298 Riverside Cleveland National Forest, Agua Tibia Wilderness area. N slope of Agua Tibia Mtn., E of the Drip[ping Springs Alcove Area, along the Woodchuck Trail 548 Comment
  CAS-BOT-BC356347  Psathyrotes ramosissima H. M. Hall 1905-4-1 5864 Riverside Nr. Chuckawalla [Chuckwalla] Comment
  CAS-BOT-BC356340  Psathyrotes ramosissima R. F. Hoover 1966-10-15 10159 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  UCR280993  Pseudognaphalium leucocephalum Mitch Provance 2017-5-25 517- 65 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  SD137881  Pseudognaphalium stramineum Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside North of Agaua Tibia Wilderness, west of Dripping Springs Alcove area, west of Woodchuck Campground 790 Comment
  UC468788  Pseudognaphalium stramineum E. E. Schellenger 1906-4-3 13 Riverside Paloverde Valley Colorado Desert, Paloverde Valley Comment
  CAS-BOT-BC80074  Pseudotsuga macrocarpa Arthur Menzies; Bob Murray 1957-8-25 s.n. Riverside Near Mountain Center, San Jacinto Mts. Comment
  RSA393770  Psilocarphus brevissimus E. Dean 1929-5-5 8747 Riverside Near Elsinore Comment
  UCR75551  Psilocarphus chilensis A. C. Sanders 1993-5-12 13996 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  CAS-BOT-BC362110  Psilostrophe cooperi H. M. Hall 1905-4-1 5890 Riverside Colorado Desert. Chuckawalla Bench Comment
  CDA37520  Psilotum nudum A. C. Sanders, Robert Krueger, T. B. Salvato 2006-11-8 33211 Riverside Riverside: UCR Citrus Variety Collection, Agricultural Operations area west of Canyon Crest Dr. Comment
  CAS-BOT-BC353616  Psorothamnus emoryi L. R. Abrams 1926-3-26 11098 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  CAS-BOT-BC353620  Psorothamnus emoryi O. F. Sillig 1917-5-22 s.n. Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC353627  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside West of Indio 0 Comment
  RSA293531  Psorothamnus emoryi C. W. Tilforth 1979-8-8 1907 Riverside S edge of Palm Desert along Highway 74, SE of Palm Springs, Riverside Co. 76 Comment
  SD174890  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoran Desert: Coachella Valley; N of Palm Springs; N of I-10; S of Dillan Road; E of Indian Avenue. 244 Comment
  CAS-BOT-BC340925  Psorothamnus schottii Robert F. Thorne; R. Rutherford 1964-4-12 33655 Riverside About 1 mile W of Turnoff to Cottonwood Wells, along Hwy 60-70 Comment
  POM126307  Psorothamnus schottii Thomas Craig 1927-4-2 45 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  POM295546  Psorothamnus schottii Lyman D. Benson, Robert Benson 1952-4-8 14849 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  RSA404246  Psorothamnus schottii Anstruther Davidson 1895-4-10 s.n. Riverside Palm Springs. Comment
  UC69322  Psorothamnus schottii L. A. Greata April 1905 Riverside Cochulla, Riverside Co. Comment
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Sep 4 2011
  UCR16201  Psorothamnus schottii B. A. Carlson 1978-4-17 s.n. Riverside Western Colorado Desert, E of Desert Hot Springs, Jct of Dillon Road and Berdoo Canyon Road Comment
  UCR256706  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  RSA0030739  Psorothamnus schottii B. C. Templeton, I. W. Clokey 1930-4-9 1000 Riverside North of Palm Springs 305 Comment
  UCR35110  Pterospora andromedea L. B. Ziegler 1970-6-28 409 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon) 1677 Comment
  RSA262103  Pterostegia drymarioides E. W. Lathrop 1969-5-8 7012 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SDSU13935  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCD100915  Pterostegia drymarioides Steve Boyd 1986-3-1 1358 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR116775  Pterostegia drymarioides A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23896 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR21940  Pterostegia drymarioides Steve Boyd 1980-4-8 104 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SD181685  Pulicaria paludosa Scott D. White 2001-6-29 8630 A Riverside Menifee Valley, ca. 1.4 miles wouthwest of the I-215/Newport Road interchange, northwest of the intersection of Holland Rd. and Bradley Road. 438 Comment
  UCR58875  Pulicaria paludosa J. M. Stewart 1989-10-20 620 Riverside Santa Rosa Mtns, Carrizo Creek Canyon, c. 1 mi south of Hwy 74 Comment
  UCR121302  Punica granatum A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25020 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  UC218157  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  SD260959  Quercus Mitch Provance 2012-9-5 912 09 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 754 Comment
  UCD170868  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UC1584069  Quercus X acutidens Steve Boyd and Dave Bramlet 1988-10-8 2875 Riverside sw of Anza (at head of Bautista Canyon); Cahuilla Mountain, Bautista Canyon Comment
  UCR92665  Quercus agrifolia Scott D. White, S. Douthit 1996-3-31 3850 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  RSA588676  Quercus agrifolia var. agrifolia D. L. Banks, Steve D. Boyd 1995-10-26 833 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary. 713 Comment
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  RSA221004  Quercus berberidifolia E. W. Lathrop 1966-5-8 6482 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR138558  Quercus berberidifolia Steve Boyd, D. E. Bramlet 1988-10-8 2875 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR143460  Quercus berberidifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3068 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM12904  Quercus chrysolepis P. A. Munz 1922-6-30 5908 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA772411  Quercus cornelius-mulleri Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4854 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCR110934  Quercus engelmannii D. E. Bramlet 1991-4-29 2074 Riverside Shipley Reserve, Rawson Canyon c. 2 mi north of Lake Skinner. NW ridgeline of Black Mtn. c. 200 ft east of the existing access rd. 585 Comment
  UCR217506  Quercus engelmannii Jeff B. Galvin 2008-5-7 41 Riverside Santa Ana Mtns, San Mateo Cyn (West), 1.1km west of Wildomar Rd., and 500m southwest of Tenaja Trail 655 Comment
  POM310603  Quercus john-tuckeri Marcus E. Jones 1956-04 s.n. Riverside Joshua tree on road to Juniper Flats. 1463 Comment
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Mar 14 2014
  RSA571664  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  SFV13129  Quercus kelloggii M. J. Thor 1982-9-18 153 A Riverside San Jacinto Mountains Idyllwild Park. Very rocky slopes 1 hour west of camp. 1677 Comment
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  SD146252  Quercus palmeri A. C. Sanders, Mitch Provance 1998-5-14 21848 Riverside Jurupa Mountains, Rattlesnake Mountain, Crestmore, above watertank west of Cedar Ave., above intersection of Andalusia & Malaga Streets, NW-facing slope of hill, on ridgetop between rock outcrops & cliffs; Fontana 7.5' quad. 366 Comment
  SDSU21246  Quercus turbinella S. H. Bullock 1972-5-25 273 Riverside Riverside County Hwy 74. Pinyon flat. 1227 Comment
  UCR100577  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21597 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  RSA613719  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  SBBG8706  Rafinesquia neomexicana C. H. Muller 1952-4-4 9495 Riverside White Water Cyn, ca. 1 mi above White Water Comment
  UCR267888  Rafinesquia neomexicana Jim Andre 2013-3-4 23865 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  VVC2469  Rafinesquia neomexicana Tim Thomas 2013-3-18 5945 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CAS-BOT-BC378984  Ranunculus aquatilis var. diffusus P. A. Munz 1922-4-28 5022 Riverside 5 mi northwest of Corona in small branch of Chino Creek 229 Comment
  SD186312  Ranunculus californicus Andy C. Sanders 2004-4-20 27558 Riverside Santa Ana Myns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line 640 Comment
  UCR256900  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  POM296  Ranunculus cymbalaria var. saximontanus I. M. Johnston 1917-6-9 1219 Riverside Santa Ana River near Corona Comment
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Nov 20 2011
  UC729895  Ranunculus eschscholtzii var. oxynotus Carl B. Wolf 1932-8-5 3975 Riverside San Jacinto Peak San Jacinto Mts. (summit) 3293 Comment
  RSA585623  Rhamnus crocea D. L. Banks, S. D. Boyd 1995-3-15 58 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  UCR230210  Rhamnus crocea A. C. Sanders 2011-4-6 38976 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
  RSA221041  Rhamnus ilicifolia E. W. Lathrop 1966-5-8 6433 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR106919  Rhamnus ilicifolia D. L. Banks, Lauren Raz 1996-11-5 1159 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  RSA761271  Rhododendron occidentale Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 761 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR01103  Rhus aromatica Cole, James E. 1941-5-23 775 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1280 Comment
  RSA543126  Rhus integrifolia Steve Boyd 1991-3-17 5472 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCSB3758  Rhus ovata Kamb, Peter 1947-3-3 Riverside Upper Sonora Zone; Banning-Idyllwild road below Barton lookout, San Jacinto Mts. 914 Comment
  RSA263745  Ribes amarum E. W. Lathrop 1968-5-22 6911 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
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Sep 15 2010
  CAS-BOT-BC173141  Ribes indecorum Wesley O. Griesel 1959-3-24 s.n. Riverside Highway 79, 7 miles south of Hemet 609 Comment
  RSA1250  Ribes indecorum B. D. Stark 1930-3-18 1487 a Riverside 1/2 way up west side of Mt San Jacinto. Comment
  RSA562614  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  UCR114805  Ribes indecorum Mitch Provance 1998-2-17 80 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR51356  Ribes indecorum L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau. west of Murrieta. 610 Comment
  CAS-BOT-BC212234  Ribes quercetorum Elmer I. Applegate 1927-2-1 4972 Riverside Near Oak Grove, road to Warner Ranch. Comment
  OBI70000  Ribes roezlii David Charlton 1988-5-21 1910 Riverside Thomas Mtn rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  JEPS51544  Romneya coulteri S. B. Parish 1897-5-29 4394 Riverside Temescal; Southern California, Temescal 396 Comment
  RSA262064  Romneya coulteri E. W. Lathrop 1966-3-23 6079 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  SD186153  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Temescal Valley; Walker Canyon, 1.5 mile due east of Alberhill, north of Highway I-15. 412 Comment
  POM324444  Rorippa palustris Greg Wright 1971-8-24 413 Riverside Santa Ana River, about 1 mi SW of Prado Dam NE of Green River Golf Club. 183 Comment
  CLARK-A1528-824  Rosa californica John C. Roos 1951-9-25 5261 Riverside Riverside Comment
  RSA0011488  Rubus parviflorus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4995 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SD229265  Rubus parviflorus Dick Schwenkmeyer 2012-8-28 827 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA659484  Rumex hymenosepalus J. C. Roos 1966-4-29 s.n. Riverside In the hills between March AFB and Lakeview. 457 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
  CAS-BOT-BC433962  Rumex salicifolius A. C. Sanders; K. C. Rose 1999-6-18 22828 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  UCR137048  Rumex salicifolius A. C. Sanders 2004-5-5 27765 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
  CLARK-A1528-3968  Ruta graveolens John C. Roos 1950-4-22 4749 Riverside Reche Canyon 457 Comment
  JEPS62518  Salazaria mexicana Marjorie D. Clary 1932-5-26 1158 Riverside s of 29 Palms Hexie Mt. (Pleasant Valley); , Pleasant Valley 1066 Comment
  SEINET13947224 Image available Salazaria mexicana J. C. Roos 1965-1 s.n. Riverside Dos Palmas Springs, Santa Rosa Mountains Comment
  UCR47289  Salicornia subterminalis Karin Cleary 1987-5-21 56 Riverside Lakeview: flats around Ellis Avenue, 1 - 1.4 km north of the intersection of Ellis Ave. and Menifee Road. 433 Comment
  POM2034  Salix gooddingii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  UCR225573  Salix gooddingii A. C. Sanders, T. B. Salvato 2011-3-30 38889 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR225737  Salix gooddingii A. C. Sanders, T. B. Salvato 2011-3-30 38891 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR91724  Salix gooddingii A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18103 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA593974  Salix laevigata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 959 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR174259  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 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., near stream crossing of dirt road 549 Comment
  POM2044  Salix lasiolepis W. L. Jepson, H. M. Hall 1901-5-17 1307 Riverside Strawberry Valley. 1616 Comment
  UC914203  Salix lasiolepis Charles B. Fiker 1946-2-19 3337 Riverside 35 mi. air-line from coast and near Santa Rosa Summit 1341 Comment
  POM362844  Salix lutea E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley. 2134 Comment
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May 29 2011
  UCR60260  Salsola tragus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3667 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  RSA0094964  Saltugilia australis E. S. Spalding 1925-1 s.n. Riverside San Jancinto Mts. Comment
  RSA613860  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Sun City: near I-215 Freeway, S of Perris and N of Menifee. Low hills E of Bavaria Dr. 488 Comment
  RSA770679  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4756 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65124 604 Comment
  SD152817  Salvia apiana Steve Boyd, Tim Ross 1992-5-5 7233 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 730 Comment
  SD229200  Salvia apiana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 632 Riverside Mt. San Jacinto 1085 Comment
  RSA401491  Salvia columbariae Ora M. Clark 1929-2-22 1582 Riverside E. of Whitewater Comment
  RSA401492A  Salvia columbariae Bruce M. Crawford 1932-5-1 s.n. Riverside 15 miles east Windmill springs [At or near Windmill Tank] Comment
  RSA776281  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 883 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR214321  Salvia columbariae A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38381 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
  SEINET13947346 Image available Salvia columbariae Cameron Duncan 1966-1 s.n. Riverside 1/2 mi N of the Corner of Robers and Woods roads in Woodcrest (near Riverside); about 1800 ft alt. 549 Comment
  RSA0034463  Salvia columbariae var. columbariae Bruce Albert 1982-4-17 70 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  UCR38253  Salvia eremostachya J. M. Stewart 1985-3-16 8506 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  SFV4249  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  RSA182349  Salvia mellifera J. Olmstead 1962-5-2 3447 Riverside Sandy flat by saddle just N of highest part of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  SEINET7907890  Salvia mellifera D. A. Johnson 2005-1 2005- 02 -18-01 Riverside 1 mi E of CA 74, River Rd, between Perris & Lake Elsinore 488 Comment
  UC1287000  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi w Aguanga Comment
  UCR199573  Salvia mellifera Scott D. White, Angelia Carey 2004-7-2 10588 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  VVC296  Salvia mellifera P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  CAS-BOT-BC235030  Sambucus H. M. Hall 1901-6-1 2216 Riverside Onstat's Canon [Onstatt's Canyon], San Jacinto Mt. 1676 Comment
  SEINET3083226 Image available Sambucus nigra subsp. canadensis Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 366 Comment
  POM3627  Samolus parviflorus Crawford, Johnston 1917-6-9 1231 Riverside Santa Ana River near Corona. Comment
  UC1552639  Sanicula arguta B. Pitzer and E. Misquez 1988-2-28 628 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro 426 Comment
  UC1562958  Sanicula arguta S. Myers and R. Montijo 1990-4-20 3 Riverside Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
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Apr 14 2013
  UC1929736  Sanicula arguta Scott D. White, Justin Wood 2008-4-3 11793 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UCR136282  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR226086  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  CLARK-A1528-289  Santolina chamaecyparissus Oscar F. Clarke 1973-5-29 OO 112 Riverside Riverside 274 Comment
  JEPS59100  Sarcodes sanguinea Carl V. Meyer Jun 1927 157 Riverside Saunder's Meadow, San Jacinto Mts. Comment
  JEPS27437  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-27 1483 Riverside Aguanga Comment
  UCR211496  Sarcostemma hirtellum Jim Andre, T. La Doux 2008-9-13 10263 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  SEINET7862086  Schinus molle M. F. Barrus 1919-12-24 57 Riverside Riverside, Canyon, W slope of Box Springs Mts. Comment
  RSA600399  Schismus barbatus V. W. Steinmann 1996-4-13 828 Riverside Just east of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  RSA794234  Schismus barbatus Jim Andre 2012-3-19 21397 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  UCD93096  Schismus barbatus A. A. Beetle 1943-4-26 1936 Riverside Near Thousand Palms. Comment
  UCR112956  Schismus barbatus B. G. Pitzer 1998-3-1 3547 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  RSA710173  Schoenoplectus acutus var. acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SEINET9766770 Image available Schoenoplectus americanus Richard Carter 2005-6-25 Riverside Temecula, vic. Via Montezuma crossing of Murrieta Creek, along east bank Murrieta Creek Comment
  RSA91579  Schoenoplectus maritimus F. W. Peirson 1922-4-29 5376 Riverside Roadside ditch, Temecula, Riverside Co., California. Comment
  POM319709  Scirpus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  UCR240997  Scrophularia californica Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 17 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  RSA425197  Scrophularia californica subsp. floribunda J. D. Olmsted 1962-5-10 3631 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  RSA425202  Scrophularia californica subsp. floribunda Ora M. Clark 1929-4-6 1936 Riverside Riverside. Comment
  SD236321  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35803 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1449 Comment
  RSA562052  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-4-1 6776 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  UCR231048  Searsia lancea A. C. Sanders, T. B. Salvato 2012-1-3 39958 Riverside Peninsular Range, Riverside, south side of UCR campus near old C.E.S. Director's garden, south of South Campus Dr. near College Bldg. North 358 Comment
  RSA339674  Selaginella bigelovii Robert F. Thorne, W. A. Tilforth 1980-5-28 54219 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR275953  Selaginella bigelovii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3794 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
  CAS-BOT-BC62093  Selaginella eremophila Larry Kiefer 1963-3-24 485 Riverside Andreas Cyn. 609 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
  RSA716256  Senecio flaccidus Scott D. White, Angelia Carey 2004-4-5 10008 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD122990  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa Rosa Plateau Region; 1.7 mile east of gate to The Nature Conservency Preserve. Comment
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May 12 2012
  UC64814  Senecio flaccidus var. douglasii E. E. Schellenger 1904-10-15 42 Riverside between Cabazon and Whitewater Comment
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Mar 13 2011
  UCR241644  Senecio flaccidus var. douglasii T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 362 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  JEPS37608  Senecio mohavensis W. L. Jepson 1927-4-12 11656 Riverside Mecca Hills , Painted Canyon (Painted Canyon) 76 Comment
  SBBG87940  Senecio mohavensis A. C. Sanders 1986-3-3 6137 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  RSA94664  Senecio mohavensis F. W. Peirson 1921-3-22 2378 Riverside Murray Canyon near Palm Springs. 457 Comment
  CLARK-A1045-234  Senecio vulgaris George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  LA204898  Senegalia greggii Norman C. Cooper; 1944-5-20 2632 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  JOTR34310  Senna armata Andre, Jim 2012-4-11 20725 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA674753  Sesuvium verrucosum Scott D. White 2001-6-29 8633 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  SBBG69834  Sesuvium verrucosum M. D. Clary 1930-5-4 1295 Riverside Salton Sea -60 Comment
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Nov 8 2011
  UCD97029  Sesuvium verrucosum A. C. Sanders; D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  IRVC12892  Setaria viridis Emily Carlton, B. T. Gittins 1966-10-15 104 Riverside Palms-To-Pines Hwy, Spring Crest (Palm Canyon Trail), roadside. Santa Rosa Mountains Comment
  UCD116800  Sidalcea malviflora A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23880 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  UCR117304  Sidalcea malviflora A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 730 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA433913  Sidalcea malviflora subsp. sparsifolia Emery M. Whilton 1938-5-5 s.n. Riverside Lake Elsinore Comment
  SDSU12884  Sidalcea sparsifolia J. Jill Steinberg with Janet Knotts 1998-4-22 47 Riverside A few feet east of stream on south side of footpath, approximately 1/2 mile northwest of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 360 Comment
  CAS-BOT-BC386893  Silene gallica E. W. Lathrop 1960-4-15 4751 Riverside 14 miles west of Murrieta 609 Comment
  UCR156361  Silene gallica T. B. Salvato, Kent Beaman 2005-5-16 872 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
  UCR174309  Silene gallica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32643 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
  CAS-BOT-BC174883  Silene laciniata H. M. Hall 1901-6-1 2303 Riverside San Jacinto Mountains. In canyons of the west side Comment
  CAS-BOT-BC174888  Silene laciniata J. C. Roos 1965-6-19 s.n. Riverside Sky Line Drive, south of Corona. Santa Ana Mtns. Comment
  CSUSB704  Silene laciniata subsp. major James K. Ryan 1968-5-14 Riverside 1 mile west of Murrietta on Tenaja Road. Comment
  RSA192157  Silene laciniata subsp. major E. W. Lathrop 1966-5-15 6301 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  SD173176  Silene parishii var. viscida Juergen Schrenk 2005-10-11 44 Riverside Santa Rosa Mountains, summit of Toro Peak 2650 Comment
  RSA663934  Simmondsia chinensis C. R. Annable 1995-3-16 2290 Riverside Chiriaco Summit and 0.8 km N of I-10. Comment
  UC367122  Simmondsia chinensis J. G. Lemmon and wife June 1881 Riverside San Gorgonio Pass leading to Colorado Desert (White River); , , San Gorgonio Pass Comment
  UCD101792  Simmondsia chinensis Franklin C. Raney 1959-4-30 59 - Riverside west side of State Highway 79, 13.1 miles south of Hemet. Comment
  UCSB2432  Sisymbrium altissimum Sturdy, C. 1957-4-20 Riverside 15 mi. east of Coachella on Rt. #60 121 Comment
  UCR239895  Sisymbrium erysimoides O. F. Clarke 2004-2-20 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA431737  Sisymbrium irio E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  RSA715942  Sisymbrium irio Scott D. White, Angelia Carey 2004-4-5 10029 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  JOTR35301  Sisymbrium orientale Andre, Jim 2012-4-11 20798 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  CLARK-A1528-892  Solanum douglasii John C. Roos 1951-9-25 5296 Riverside Riverside 259 Comment
  RSA651322  Solanum douglasii N. R. Zabriskie, Walter Zabriskie 1972-3-27 473 Riverside ''North Canyon'', Andreas Canyon watershed, east slope San Jacinto Mts. 366 Comment
  SJSU7860  Solanum douglasii G. B. Youngberg 1956-3-30 235 Riverside Glen Ivy Hot Springs, E slope Santa Ana Mts c. 11 mi S of Corona Comment
  UCR98707  Solanum douglasii 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
  POM223252  Solanum laciniatum R. Cooper 1935-10-3 4 Riverside edge of Lake Evans, Fairmount Park. Comment