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

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG56410  Abies concolor Marjorie Lewis 1947-8-26 7 Riverside Dark Canyon 1981 Comment
  UC1136563  Abronia villosa H. S. Yates 1936-4-7 5543 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  UC912625  Abronia villosa H. L. Mason 1928-3-10 4193 Riverside Whitewater River Comment
  UCR2930  Abronia villosa R. Oshima 1963-4-19 041963- 01 Riverside Colorado Desert, Coachella Valley, opposite the Raquet Club on Indian Ave., Palm Springs 177 Comment
  UC7621 Image available Abronia villosa var. aurita S. B. Parish Apr 4 1896-Apr 13 1896 4138 Riverside desert base of San Jacinto Mt.(Agua Caliente) Palm Springs, San Jacinto Mt. 152 Comment
Read comments
Jul 8 2010
  UCR162950  Abronia villosa var. aurita Fred M. Roberts 2005-3-23 6135 Riverside Peninsular Range, Temescal Valley; old Temescal Wash along Temescal Canyon Road, near Glen Ivy Hot Springs, 1.2 km NW of junction with Indian Truck Trail, 3.6 km WSW Estelle Peak 312 Comment
  UCR256328  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 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
  OBI25755  Acacia greggii David J. Keil 1980-6-20 14063 Riverside Box Cyn rd exit from I-10 Comment
  UC165050  Acacia greggii S. B. Parish 1902-6-28 8106 Riverside near Mecca (Colorado Desert, Red Canyon); Colorado Desert, Red Canyon Comment
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Nov 24 2011
  UC472818  Acacia greggii Mary Fiske Spencer 1918-3-31 Riverside Colorado Desert, Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 125 Comment
  UCSB6305  Acamptopappus sphaerocephalus Don Graney 1953-3-20 104 Riverside collected 1.0 mi up, in the Colorado Desert White Water Canyon - White Water Canyon and Colorado Desert. Comment
  UC63855  Acer negundo var. interior H. M. Hall 1897-4-16 480 Riverside hills s Beaumont; hills s of Beaumont Comment
  POM353193  Achnatherum speciosum Christopher Davidson, B. Gustafson 1977-4-7 5583 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  CHSC114152  Achyrachaena mollis A. C. Sanders; T. B. Salvano 2011-4-1 38942 Riverside Peninsular Range: Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill. 409 Comment
  JOTR28927  Achyronychia cooperi La Doux, Tasha 2005-3-1 1163 Riverside Joshua Tree National Park. Between Sand Hills and Main Road to Cottonwood Comment
  POM122333  Achyronychia cooperi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCD104137  Acmispon glaber var. brevialatus T. B. Salvato; Kent Beaman 2005-5-16 793 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  UCD104140  Acmispon glaber var. brevialatus A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25846 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 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
  JOTR36477  Acmispon nevadensis var. nevadensis La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3199 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  UCSB15357  Acmispon rigidus 1962-3-11 Riverside 8.0 miles southwest of Palm Desert of California State Highway 74 640 Comment
  CAS-BOT-BC182446  Adenophyllum porophylloides Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11212 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road... Comment
  RSA0034641  Adenophyllum porophylloides Scott D. White 2001-4-3 8263 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA0105949  Adenophyllum porophylloides Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  SJSU5451  Adenophyllum porophylloides R. C. McGehee 1970-5-1 258 Riverside 1 mile W of Chuckwalla Spring on Chuckwakka Road, Chuckwalla Mts Comment
  UC495325  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside dry rocky wash in Snow Creek Canyon; San Jacinto Mts. 457 Comment
  UCR251946  Adenostoma fasciculatum Harun Bektas 2011-4-26 16 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA650377  Adenostoma fasciculatum var. fasciculatum C. J. Humphrey 1936-6-7 128 Riverside [No location information provided.] Comment
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Dec 15 2011
  JEPS44821 Image available Adenostoma sparsifolium W. L. Jepson 1903-8-6 2284 Riverside San Jacinto Mt., Chalk Hill 1371 Comment
  RSA783630  Agoseris retrorsa J. D. Olmsted 1962-5-3 Riverside East slope of Baldy Mt., along pines to Palms Hwy., 1.5 mi S of 4936' summit south of Mt. Center 1505 Comment
  UCR164286  Agrostis viridis S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA559337  Aira caryophyllea Steve Boyd 1992-5-15 7405 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trail, west of Round Potrero. 671 Comment
  RSA480258  Alhagi maurorum D. O. Clark 1969-7-2 s.n Riverside 2 miles W of Mecca, Coachella Valley. Comment
  UC1136226  Allenrolfea occidentalis H. S. Yates 1936-4-8 5450 Riverside 5 mi. s.e. Coachella; Thermal Quad. Comment
  RSA0106714  Allionia incarnata Duncan S. Bell 2011-9-30 2942 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA793605  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4207 Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  RSA0078221  Allionia incarnata var. incarnata Sarah J. De Groot, Amy Rouillard 2015-9-15 7559 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA0048296  Allium burlewii A. L. Haines 1951-5-19 5145 Riverside Fern Basin Camp, San Jacinto Mts. 2133 Comment
  UCR133190  Allium haematochiton J. M. Stewart 1999-4-25 s.n. Riverside San Jacinto Mtns., canyon above Palm Springs Comment
  UCR256903  Allium haematochiton LeRoy Gross, Duncan S. Bell 2013-4-30 6022 Riverside Peninsular Range; San Jacinto Mtns., Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W and ended at 33.72912N 116.75098W 1556 Comment
  SEINET8467213 Image available Allium lacunosum var. davisiae L. B. Ziegler 1967-6-25 Riverside above Kenworthy Ranger Station, S end of San Jacinto Mts. 1615 Comment
  RSA348948  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant on ridge E of Estelle Mt., S of Dawson Canyon 671 Comment
  RSA366476  Allium munzii B. C. Templeton 1931-3-23 s.n. Riverside Near Gavilan Alt. 600 m. 600 Comment
  RSA543597  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6129 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  UCR139245  Allium parryi A. C. Sanders, Kate Kramer 2003-6-11 26877 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
  UCR103897  Allium peninsulare B. G. Pitzer 1997-4-12 3123 Riverside Lakeview Mtns, Pulsar View Rd, c. 1/2 mi. uphill from the end of Warren Road (very short dirt road leading into hills) and c. 1 mi. (air) north of Juniper Flats Road. Approx. 1.2 mi. (airline) WSW of Mt. Rudolph (measured from BM 'Nelson'). 585 Comment
  SBBG128719  Allium triquetrum O. F. Clarke 2010-2-20 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  VVC369  Allophyllum divaricatum A. C. Sanders, J. Mac 1997-5-4 20633 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA770792  Alnus rhombifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4533 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SACT002778  Alnus rhombifolia A. Delisle 1961-6-27 Riverside Within 5 feet of Dripping Wells Falls, right where water drips on the roots. Tree 25ft. Comment
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Aug 25 2013
  UC815288  Alopecurus saccatus P. A. Munz and I. M. Johnston 1922-5-19 5376 Riverside Menifee Valley Comment
  UCR232359  Amaranthus John F. Green 2008-4-16 0408- 38 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA594524  Amaranthus albus D. L. Banks, Rashmi Pant 1996-5-13 1029 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 487 Comment
  RSA356885  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41803 Riverside Palm Springs. Comment
  UCR146499  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside San Jacinto Mountains foothills, Intersection of Soboba Road and Castile Canyon Rd. 509 Comment
  UCD97750  Amaranthus retroflexus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 472 Comment
  CAS-BOT-BC61398  Amauriopsis dissecta Philip A. Munz 1938-8-14 15364 Riverside East of Toro Peak, Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC22584  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-28 3297 Riverside Near the north end of Salton Sea, highway 111 Comment
  CAS-BOT-BC22594  Ambrosia dumosa M. McCollum 1976-6-10 2008 Riverside 4 mi. W of Desert Hot Springs 304 Comment
  CHSC95389  Ambrosia dumosa C. Spurrier; Way, M. J. 2001-6-14 6 Riverside Riverside County. Big Morongo Canyon Preserve, Kickapoo trail, 5.6 km north of State Water Company Entrance. 595 Comment
  LA31364  Ambrosia dumosa Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 177 Riverside Morongo Wash Comment
  POM308631  Ambrosia dumosa Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3218 Riverside Near Indio. Comment
  RSA0112109  Ambrosia dumosa Duncan S. Bell, Amanda Turek 2009-3-30 190 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA608585  Ambrosia dumosa R. S. Woglum 1939-4-11 2207 Riverside Sonora Desert: Desert Center. Comment
  RSA643465  Ambrosia dumosa A. C. Sanders, K. Rose 1995-4-27 16744 Riverside Coachella Valley: foot of the Little San Bernardino Mountains, canyon E of Fan Hill, just outside Joshua Tree National Park. 550 Comment
  RSA696753  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  SD5656  Ambrosia dumosa Mary S. Snyder 1895-4-1 Riverside Palm Springs [label uses old name, Palmetto Spring] 274 Comment
Read comments
Jul 8 2010
  UCSB7135  Ambrosia dumosa Hurd, Richard 1956-4-14 Riverside On road to Devils Garden, 3 mi. from Highway 99 Comment
  CAS-BOT-BC30798  Ambrosia ilicifolia Edmund C. Jaeger 1921-4-12 s.n. Riverside Aztec Wash. Chuckawalla Mts. Comment
  RSA41492  Ambrosia ilicifolia Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UCR106915  Ambrosia psilostachya D. L. Banks, L. Raz 1996-11-5 1184 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
  CAS-BOT-BC272856  Ambrosia salsola Chet McGaugh 2004-2-25 s.n. Riverside Colorado Desert: Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  JEPS121497  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 412 Riverside West side of Highway 177. Comment
  SBBG97706  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  POM12891  Amorpha californica P. A. Munz 1922-6-30 5924 Riverside Santa Rosa Mountains. 1982 Comment
  UCR135713  Amorpha californica Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9016 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  CAS-BOT-BC177261  Amorpha fruticosa H. M. Hall 1900-5-15 s.n. Riverside Reche [Canon] Canyon 457 Comment
  SDSU13505  Amorpha fruticosa W. Miller with C. Mosse 1972-7-13 Riverside 100 yards west of M.W.D Station; 25 yards from river. Comment
  RSA0065487  Amsinckia Eleanor McClung 1937-3-23 26 Riverside Palm Springs. Comment
  RSA0089613  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UC1537695  Amsinckia intermedia Gordon H. True Jr. 1936-2-22 10 Riverside Mockingbird Canyon 457 Comment
  UCR112524  Amsinckia intermedia Mitch Provance 1998-2-13 9 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR120910  Amsinckia intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24946 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR3295  Amsinckia intermedia T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5.5 mi south on Old Banning-Idyllwild Rd. 988 Comment
  UCR154993  Amsinckia retrorsa A. C. Sanders, Kelly Volansky 2005-3-17 29230 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR234222  Amsinckia retrorsa A. C. Sanders, John F. Green 2012-3-20 39974 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  POM368407  Amsinckia tessellata Severance 1926-2-20 s.n. Riverside Andreas Canyon. Comment
Read comments
May 14 2013
  RSA0091430  Amsinckia tessellata B. A. Prigge 1978-3-23 2419 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  UCR266277  Ancistrocarphus filagineus D. E. Bramlet, Ileene Anderson 2005-4-18 3808 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  RSA416652  Anisocoma acaulis Gary D. Wallace 1964-4-26 s.n. Riverside Pinyon Flats. Comment
  RSA667099  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside: abandoned orange orchard north of 1012 Spruce St. 305 Comment
  POM9753  Antennaria rosea E. C. Jaeger 1921-6-20 275 Riverside Long Valley, San Jacinto Mts. Comment
Read comments
Oct 6 2009
  POM72414  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9835 Riverside 2 miles W of Dripping Spring. 427 Comment
  UCR49243  Antirrhinum coulterianum Steve Boyd 1986-4-22 1742 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR81110  Antirrhinum coulterianum Scott D. White 1993-5-29 1455 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  UCR86988  Antirrhinum coulterianum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UCSB12687  Antirrhinum coulterianum Hochberg, Fred 1961-5-6 Riverside 50 ft. off Riverside 1; 7 miles from junction at Banning; base of San Jacinto Mtns 1158 Comment
  UCD123446  Antirrhinum kelloggii Ian G. Gillespie; Abby Sirulnik 2000-5-7 39 Riverside Temescal Valley: 0.9 miles southeast of Indian Truck Trail and 40 m southwest of DePalma Road, directly across from Corona Lake. 396 Comment
  POM29606  Antirrhinum nuttallianum subsp. nuttallianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA583743  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd 1995-4-24 8488 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
  RSA614530  Antirrhinum nuttallianum subsp. nuttallianum A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20701 Riverside N side of the range, Twin Pines Creek below the confluence with Brown Creek. below the confluence with Brown Creek. 854 Comment
  SD137929  Apiastrum angustifolium Darin L. Banks, Steve Boyd 1995-4-5 154 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove. 505 Comment
  HSC85249  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR52584  Arabis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns, along dirt road to the north of Castille Canyon Dr. at Poppet Flat, off Hwy 243. Comment
  UCR241188  Arabis glabra Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 515 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA27439  Arabis perennans C. L. Hitchcock 1940-4-5 5966 Riverside Ciffs above Cottonwood Springs Comment
  RSA66762  Arabis pulchra F. W. Peirson 1941-4-9 13077 Riverside Open desert among shrubs; Pinto Basin road at junction with road to Cottonwood Springs. Comment
  UCR18483  Arabis pulchra A. C. Sanders 1978-6-11 00219 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR59532  Arabis pulchra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3568 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
  UCR80814  Arabis sparsiflora Scott D. White 1993-5-29 1474 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  SEINET2117591  Arceuthobium cyanocarpum R. L. Mathiasen, C M. Daugherty 2009-8-5 09 -28 Riverside North slope of Tahquitz Peak. 0.4 km west of the jct. of the Tahquitz Peak Trail and the Tahquitz Valley Trail above the trail to Tahquitz Peak. First collection of limber pine dwarf mistletoe on sugar pine 2640 Comment
  RSA629162  Arctostaphylos Jon E. Keeley 1992-7-17 16799 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629372  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16859 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UCD51032  Arctostaphylos glandulosa I. W. Clokey; E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek. 1500 Comment
  CAS-BOT-BC23120  Arctostaphylos glandulosa subsp. glandulosa Scott D. White 1996-8-1 4450 Riverside San Jacinto Mts., Idyllwild Area: North of Isomata along USFS Rd. 5S24.1 1645 Comment
  POM254924  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-12 s.n. Riverside Main Divide Road, east of Los Pinos Peak, Santa Ana Mts. Comment
  POM367316  Arctostaphylos glauca Kenneth R. Montgomery 1969-9-7 69 -24 Riverside Wilson Valley Road, 18 miles south of Hemet 1220 Comment
  RSA23617  Arctostaphylos glauca C. B. Wolf, Percy C. Everett 1939-9-29 9454 Riverside San Jacinto Range; Dos Palmos Spring, below Pinyon Flat. 1067 Comment
  RSA631808  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15071 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631809  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15067 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631843  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20167 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1565 Comment
  RSA632226  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4094 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  UCR76880  Arctostaphylos glauca B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 A Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA633608  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22532 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633609  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22517 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633643  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20136 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633692  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21766 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  CAS-BOT-BC44372  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  NY43173  Arctostaphylos pringlei subsp. drupacea J. B. Walker 1995-5-3 1409 Riverside San Bernardino National Forest, S of Pinyon Flat Campground, at terminus of USFS Rd 1900 Comment
  POM367427  Arctostaphylos pringlei subsp. drupacea E. C. Jaeger 1921-6-19 s.n. Riverside Ridge trail to Tahquitz Valley, San Jacinto Mts. 1890 Comment
  UC1177957  Arctostaphylos pringlei subsp. drupacea Otto T. Solbrig 1958-3-21 2515 Riverside road from Banning to Idylwild; San Jacinto Mountains, Pine Cone Summit 1920 Comment
  RSA635773  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16580 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UC1951125  Arctostaphylos pungens Scott D. White, Justin Wood 2009-5-22 12893 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  RSA559377  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19490 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636006  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19553 Riverside Carancho Rd., W. of Temecula. 440 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
  UCR35130  Arenaria macradenia subsp. ferrisiae L. B. Ziegler 1972-6-12 478 Riverside San Jacinto Mtns,, canyon above Kenworthy Ranger Station. 1402 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
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  CAS-BOT-BC207118  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA735401  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11231 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
  SEINET229296  Aristida adscensionis L. M. Shultz, JS Shultz 1985-4-17 8307 Riverside Soouthern extension of the Big Maria Mountains. In section '26.5 98 Comment
  UC196994  Aristida adscensionis Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UCD56429  Aristida adscensionis Geoffrey Levin 1976-10-17 1176 Riverside Colorado Desert, Mecca Hill, Salton Sea Basin, Box Canyon, about 11 miles east of Mecca. 91 Comment
  RSA5172  Aristida adscensionis var. modesta C. B. Wolf 1932-4-27 2987 Riverside Palm Springs. 152 Comment
  UCR248085  Aristida californica Duncan S. Bell 2012-9-13 4181 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  RSA700958  Aristida purpurea var. parishii Gary D. Wallace 1982-5-15 2003 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  SDSU17517  Aristida purpurea var. purpurea Jerry Jenkins 2001-4-1 2001 -028 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. UTM transfered to GIS. Comment
  SEINET3919271  Aristida wrightii Sears 1977-10-13 S 607 Riverside Wiley's Well Campground (BLM).; 0 181 Comment
  SD229065  Artemisia californica Dick Schwenkmeyer 2012-10-16 932 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR138553  Artemisia douglasiana Steve Boyd, D. E. Bramlet 1988-10-8 2883 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR202214  Artemisia douglasiana Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  UCR195800  Artemisia ludoviciana subsp. albula Jim Andre, T. La Doux 2007-9-6 8704 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  SEINET186322  Artemisia ludoviciana subsp. mexicana Philip A. Munz 1938-8-13 15335 Riverside East of Santa Rosa Peak 2377 Comment
  UCR100165  Artemisia tridentata Scott D. White 1992-12-16 982 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
  SEINET10547629  Asarina filipes David B. Dunn 1948-3-13 Dunn 3728 Riverside Vine found growing in wash. Indio hills, colorado desert. Near pushawalla. Comment
  UCR48344  Asclepias californica Steve Boyd 1986-4-22 1756 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA4914  Asclepias erosa C. B. Wolf 1932-4-28 3076 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
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Mar 26 2011
  JOTR32521  Asclepias fascicularis Harding, Mitzi 2011-7-18 s.n. Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  POM319657  Asclepias fascicularis Patricia Wilder 1970-10-15 4807 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UCR182539  Asclepias fascicularis Mitch Provance 2003-7-4 4636 Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  SEINET3005052  Asclepias subulata G. Rink 2011-4-28 10490 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 94 Comment
  POM187421  Aster alpigenus L. Crutcher 1933-8-22 1 Riverside Ridge south of Tahquitz Valley. Comment
  RSA417631  Aster bernardinus Albert J. Perkins 1916-4-14 s.n. Riverside Idylwild Comment
  SEINET3195134 Image available Astragalus aridus Andrew C. Sanders 2010-3-15 37408 Riverside Sonoran (Colorado) Desert; pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe (Roosevelt Mine 7.5' Q.) 134 Comment
  JOTR31085  Astragalus bernardinus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2347 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  POM145537  Astragalus didymocarpus J. B. Feudge 1927-4-12 1867 Riverside Lake Elsinore. Comment
  UCR174526  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore 'back basin' on NE side of lake 384 Comment
  UCR25800  Astragalus didymocarpus var. didymocarpus John C. Roos 1952-4-30 5606 Riverside Peninsular Range, hills between Camp Haan and Riverside 534 Comment
  UC219218  Astragalus didymocarpus var. obispoensis P. A. Munz 1922-4-29 5096 Riverside Dripping Spring near Temecula Creek; near Temecula Creek 518 Comment
  CLARK-A1528-2742  Astragalus douglasii John C. Roos 1948-6-5 3869 Riverside Whitewater Wash Comment
  UC63673  Astragalus douglasii var. parishii H. M. Hall June 1901 2229 Riverside in the vicinity Strawberry Valley (San Jacinto Mountains); , vicin Strawberry Valley 1584 Comment
  CAS-BOT-BC187103  Astragalus lentiginosus var. borreganus John Thomas Howell 1928-3-11 3439 Riverside Six miles south-east of Garnet Station, Coachella Valley Comment
  NY5502  Astragalus lentiginosus var. coachellae A. Eastwood 1913-4-30 3116 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR161367  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-25 4217 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  CAS-BOT-BC187487  Astragalus leucolobus Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  SD67902  Astragalus leucolobus Reid Moran 1968-8-3 15361 Riverside Ridge 1 mile NW of Toro Peak, on bare north slope 2250 Comment
  CAS-BOT-BC194171  Astragalus pomonensis Scott D. White; Julie Greene 1997-3-12 4778 Riverside Near I-215 Freeway, S of Perris and N of Menifee, low hills E of Bavaria Dr., Sun City - Perris Basin 487 Comment
  SD217295  Astragalus pomonensis Steve Boyd, Tim Ross, Laurel Arnseth and Jaine Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of Big Oak Mountain, njust south of the east summit. 609 Comment
  SEINET2060274 Image available Astragalus pomonensis Conrad Bahre 1970-5-3 Riverside 16 mi E of Riverside along Hwy 60 in the badlands 762 Comment
  RSA692509  Athyrium filix-femina subsp. cyclosorum Sisson 1930-11-12 19 Riverside San Jacinto Mtns.: Near Idyllwild. Strawberry Creek. 1982 Comment
  POM10277  Athysanus pusillus Charlotte M. Wilder 1904-4-10 s.n. Riverside Wilder s Canyon, Jurupa Hills, near Riverside. Comment
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Apr 2 2011
  SDSU17521  Athysanus pusillus Jerry Jenkins 2001-4-3 2001 -034 Riverside Santa Margarita Ecological Reserve. Ravine south of S.M. River. UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  RSA516912  Atrichoseris platyphylla Steve Boyd, Orlando Mistretta 1986-3-13 1454 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR52232  Atrichoseris platyphylla Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2161 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA557365  Atriplex argentea Julie Greene, James Dice 1993-6-25 1374 Riverside North side of San jacinto River levee, West of Davis Road. 433 Comment
  SD73400  Atriplex canescens K. R. Montgomery 1969-9-7 69 31 Riverside 1.5 mile east of Riverside Co. Highway 3 on Wilson Valley Road, 18 miles south of Hemet. Comment
  SEINET3930590  Atriplex canescens R. L. Piemeisel 1914-9-25 4044 Riverside 4 mi. W. of Indio Rd. to Indian well.; 0 Comment
  SEINET3930592  Atriplex canescens R. L. Piemeisel 1914-9-25 4045 Riverside 4 mi. w. of Indio Rd. to Indian well.; 0 Comment
  UC850760  Atriplex canescens Carl B. Wolf 1932-10-13 4302 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  SD80076  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 332 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  CAS-BOT-BC170236  Atriplex canescens var. macilenta Ira L. Wiggins 1941-3-24 9585 Riverside Along roadside on east side of Salton Sea, 1 mile north of Imperial County Line Comment
  SD240965  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  CAS-BOT-BC168528  Atriplex confertifolia H. M. Hall 1901-6-1 2002 Riverside San Jacinto Lake Comment
  SEINET3931219  Atriplex coronata var. notatior John Roos 1952-1 Riverside Comment
  UCR159814  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  UCR240261  Atriplex coronata var. notatior D. E. Bramlet, Robt. L. Allen, Fred M. Roberts 2011-4-30 4827 Riverside Peninsular Range; Elsinore Trough, Nichols Road wetlands area, 253 m south of Nichols Rd. & 76 m east of Baker St. 384 Comment
  UCR120538  Atriplex davidsonii D. E. Bramlet 2000-5-12 3037 Riverside 381 m south of the Ramona Expressway and 107 m east of the San Jacinto Rivre levee & 656 m north of the MWD maintenance road 431 Comment
  UC195304  Atriplex elegans S. B. Parish 1913-9-20 8600 Riverside Mecca Salton Sink, Mecca (Salton sink) 57 Comment
  SD248393  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 392 Comment
  UCD169478  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13- 190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  RSA746519  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2 -521 Riverside City of Corona, along Magnolia Ave. off-ramp on SW side of I-15 Freeway. 216 Comment
  LA204674  Atriplex hymenelytra F. R. Fosberg; 1932-3-13 8087 Riverside Coachella Valley, Thousand Palms Canyon Comment
  UCR260356  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2015-3-10 41370 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA478278  Atriplex lentiformis Jack Rempel 1932-11-11 16115 Riverside Dos Palmos Springs, Colorado Desert Comment
  RSA478279  Atriplex lentiformis H. de Forest 1929-4-18 s.n. Riverside Colorado Desert Comment
  JEPS90699  Atriplex pacifica D. Bramlet 1991-6-1 2179 Riverside 3 km w of Nuevo (and some 20 m e of the San Jacinto River, some 300 m s of the end of 11th Street, just e of an existing dirt road) 473 Comment
  POM319681  Atriplex rosea Patricia Wilder 1970-10-15 4750 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
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Sep 26 2009
  RSA422258  Atriplex saltonensis S. B. Parish 1913-9-20 8600 Riverside Mecca, Salton Sink. 58 Comment
  UCR182538  Atriplex serenana var. serenana Mitch Provance 2003-7-3 4638 Riverside San Bernardino Valley, Riverside, the NE part of Lionshead (Challen Hill), 0.4 km due west of the corner of California Av. and Van Buren Blvd. 238 Comment
  UCR201872  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  CAS-BOT-BC146194  Avena barbata T. Winfield 1975-5-1 s.n. Riverside Cajalco Road - 1 mile west of Lake Matthews Dam. Comment
  RSA586491  Avena fatua D. L. Banks, Steve Boyd 1995-5-9 321 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  JEPS49635  Ayenia compacta Marjorie Clary Mar 1932 656 Riverside Canyons of Santa Rosa Mountains, SW of Coachella Valley Comment
  UCR99570  Azolla filiculoides Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1418 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  RSA48866  Baccharis brachyphylla J. C. Roos, L. Roos 1949-9-17 4659 Riverside Canyon bottom near oasis with Palms, a side canyon, E side Whitewater Wash, W slope Painted Hill, 2.2 miles N of Hwy 99 Comment
  UCR17720  Baccharis brachyphylla Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR23276  Baccharis brachyphylla John C. Roos 1950-10-16 5008 Riverside Transverse Range/Little San Bernardino Mtns., Dry Morongo Canyon about 1 mi south of Riverside-San Bernardino County line 612 Comment
  UCR121891  Baccharis pilularis Ian G. Gillespie 2001-5-7 81 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR21968  Baccharis salicifolia Steve Boyd 1980-5-5 209 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR84596  Baccharis sergiloides Scott D. White, S. Ogg 1994-4-21 1963 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  LA204018  Bahiopsis parishii H. Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  SFV11873  Bahiopsis parishii R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  JOTR31219  Baileya pauciradiata La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2003 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 2) sand ramps, interspersed with basalt outcrops, sparsely vegetated 349 Comment
  POM350663  Baileya pauciradiata N. C. Cooper 1949-3-15 3032 Riverside Palm Springs 122 Comment
  JOTR29251  Baileya pleniradiata La Doux, Tasha 2005-8-17 1532 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  UCR33596  Baileya pleniradiata Sears 1978-3-18 905 Riverside Sonoran (Colorado) Desert, 1.5 mi from Interstate 10 down Wiley's Well Road, 17 mi west of Blythe, Chuckwalla Valley 122 Comment
  UC1931108  Barbarea orthoceras Scott D. White, Justin Wood 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  POM350775  Bebbia juncea Ora M. Clark 1929-3-16 1717 Riverside N. of Whitewater Comment
  POM4828  Bebbia juncea I. M. Johnston 1917-6-5 1239 Riverside Hills south of Arlington 366 Comment
  UCR272461  Bebbia juncea Mitch Provance 2012-8-1 712- 06 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  CAS-BOT-BC100133  Bebbia juncea var. aspera Roxana S. Ferris 1918-6-14 982 Riverside in Box [Canon] Canyon at Shaver's Well, Chocolate Mts - Mecca-Blythe Road Comment
  CAS-BOT-BC100145  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2720 Riverside Tahquitz [Canon] Canyon Comment
  CHSC95388  Bebbia juncea var. aspera R. Kobaly; Singer, A., Spurrier, C., Thompson, D., Way, M. J. 2001-6-12 1 Riverside Riverside County. White Water Canyon. 4.8km north of Highway 10 SBBM, San Gorgonio Wilderness. 570 Comment
  UC51597  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  UCR136189  Bebbia juncea var. aspera Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  CDA6861  Bellis perennis J. E. Davis 1959-8-31 2998 Riverside 3893 Larchwood Place, Riverside. 0 Comment
  CAS-BOT-BC154106  Beloperone californica N. Aitkenhead 1977-2-2 2105 Riverside S-O line S.W. of radio tower top of Chuckwalla Mnts Comment
  UCR67358  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3997 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  LA204860  Bernardia incana Carl Epling; May 1938 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  RSA795476  Bernardia incana C. P. Cowan 1978-4-23 1221 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220. 950 Comment
  SEINET3347392 Image available Bernardia myricifolia Andrew C. Sanders, Chika Mori 2011-6-14 39662 Riverside Peninsular Range; Santa Rosa Mtns.; Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  CAS-BOT-BC102026  Bidens laevis A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd. , near confluence of Arroyo Tequesquite and the river 232 Comment
  CSUSB940  Bloomeria crocea R. Thomasson 1973-5-24 Riverside Box Springs Mountains Box Springs Mountains. Big "C" turnoff, 0.6 miles from Box Springs Mountain Road. 777 Comment
  CAS-BOT-BC13901  Boechera johnstonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside West slope of Mount San Jacinto. Comment
  CAS-BOT-BC25668  Boechera pulchra Elizabeth H. Daniels 1932-3-8 s.n. Riverside Little San Bernardino Mountains. Mission Canyon, just south of Morongo Valley. Comment
  UCR264242  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR280427  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5610 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, c. 5 km SW of Desert Center 459 Comment
  SD255219  Boerhavia wrightii Duncan S. Bell 2011-9-30 2937 B Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; ca. 2.0 air miles southwest of the ghost town of Rice. 234 Comment
  UCR274420  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside southwestern section of Orocopia Mountains, c. 3.6 air miles north-northeast of Dos Plmas 404 Comment
  RSA778387  Boerhavia wrightii Amber Swanson 2011-10-9 648 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  RSA356651  Boisduvalia densiflora Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47304 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR95731  Bolboschoenus maritimus subsp. paludosus D. L. Banks, Lauren Raz 1996-8-29 1143 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  CLARK-A1528-5154  Bothriochloa barbinodis John C. Roos 1947-2-15 3236 Riverside Eagle Mountains Comment
  RSA697688  Bouteloua barbata J. Russell Bruff 1929-12-28 451 Riverside Dos Palmas Comment
Read comments
Jun 10 2012
  SD185110  Bowlesia incana A. C. Sanders 2005-4-21 29573 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  SD134466  Brandegea bigelovii Craig Reiser 1991-5-27 Riverside Palm Desert near Bighorn Sheep Institute Comment
  CSUSB495  Brassica geniculata Karen Cook 1966-5-12 S. N. Riverside Roadside waste area on highway 60 to San Jacinto Rd. 1/4 mile from Hemet-San Jacinto turnoff from Highway 60 (from Riveside to Banning) 304 Comment
  CLARK-A1528-2426  Brassica tournefortii Charles S. Papp 1964-5-22 470 Riverside Riverside Comment
  RSA653550  Brassica tournefortii Scott D. White 1999-5-24 7406 (unic.) 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
  RSA772848  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4843 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
  RSA776014  Brassica tournefortii Duncan S. Bell 2010-3-20 614 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR148341  Brassica tournefortii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  JOTR30813  Brickellia arguta var. arguta La Doux, Tasha, Jim Andre 2008-9-16 334 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  UCR13707  Brickellia desertorum N. R. Zabriskie, N. Bercovitz 1971-11-15 463 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, E slope San Jacinto Mtns. 306 Comment
  RSA695645  Brickellia incana J. Russell Bruff 1927-11-26 26 Riverside 10 miles north of Cottonwood Springs Comment
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Sep 20 2011
  UCR154541  Brodiaea Jason L. Hlebakos 2005-5-18 708 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  SEINET8466114  Brodiaea filifolia James Henrickson 1969-1 Riverside Comment
  RSA191989  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1959-5-17 4538 b Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  RSA752784  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR213833  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCR112587  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside, open fields at NE edge of UCR campus, east of A & I dorms and south of Watkins Dr. 335 Comment
  POM12134  Bromus berteroanus Mary F. Spencer 1920-4-5 1545 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA562103  Bromus carinatus Steve Boyd 1992-4-14 6803 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
  RSA597943  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside Riverside., (Near 33 deg 57.5'N, 117 deg 21'W.) 290 Comment
  UCD58397  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside One mile north of Riverside. Comment
  RSA772334  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4513 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET10658417  Bromus diandrus Nye Leith, Greg Gust 2005-3-11 Nye 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  POM122857  Bromus grandis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  POM147497  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -B Riverside Vail Ranch west of Aguanga. Comment
  UC816370  Bromus madritensis subsp. rubens I. W. Clokey, B. C. Templeton 1930-4-9 4680 Riverside n of Palm Springs (Colorado Desert); Colorado Desert 180 Comment
  UCSB9692  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  SEINET258474 Image available Bromus orcuttianus var. hallii Unknown 1990-6-25 679 Riverside San Jacinto Mtns., ca 3 km SE of Pine Cove on San Bernardino NF Rd 5S10 1830 Comment
  POM363960  Bromus rubens H. de Forest, George R. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  UCR4221  Bromus rubens K. S. Gill 1965-3-14 s.n. Riverside UC Riverside Campus, near parking lot 19 244 Comment
  UCR201704  Bromus tectorum Scott D. White, Justin M. Wood 2008-5-15 12003 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA0034863  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UCR20531  Bromus trinii John C. Roos, L. Roos 1953-3-21 5909 Riverside Sonoran (Colorado) Desert, Mouth of Andreas Canyon south of Palm Springs 274 Comment
  JOTR31933  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA658621  Caesalpinia virgata Nancy J. Mann 1976-4-25 s.n. Riverside Box Canyon, Box Canyon Raod, from I-10 to Mecca. Growing on rocky hillsides abouve road cut. Comment
  UCR18980  Caesalpinia virgata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  UCR3468  Caesalpinia virgata Sally Bell 1964-3-26 s.n. Riverside Western Colorado Desert, off Dillon Road, c. 3 mi. NE of the town of Indio, c. 500 yards west of the road. -7 Comment
  CAS-BOT-BC438489  Calandrinia ciliata Steve Boyd 1986-4-2 1607 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 640 Comment
  CLARK-A1528-3832  Calandrinia ciliata John C. Roos 1966-3-24 Riverside Winchester Comment
  UCR20863  Calandrinia ciliata Steve Boyd 1980-1 s.n. Riverside Perris Basin, Motte Reserve; rocky hills 2.5 mi NW of Perris 518 Comment
  UCR225591  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38883 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR250212  Calandrinia ciliata A. C. Sanders 2014-4-23 41062 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.1 km NW of Hwy 74 387 Comment
  UCR97445  Calandrinia ciliata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19864 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA234049  Callitriche marginata R. F. Thorne 1969-5-12 37941 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  SD68962  Callitriche marginata Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37574 Riverside Santa Rosa Plateau; wet mud at margin of vernal marsh on Mesa de Colorado, Rancho California. 669 Comment
  UCD132908  Calocedrus decurrens K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 16 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  RSA58892  Calochortus concolor Philip A. Munz, Percy C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA582824  Calochortus palmeri var. munzii Mark Elvin, Orlando Mistretta 1995-6-1 43 Riverside San Jacinto Mountains: Garner Valley, off Fobes Ranch Road. 1375 Comment
  RSA641300  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1781 Riverside San Jacinto Mountains: Highway 74 and Pacific Crest Trail. 1493 Comment
  CAS-BOT-BC132464  Calochortus plummerae P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17281 Riverside 6.7 mi. w. along Hwy 74 from jct with road south from Idyllwild 914 Comment
  UCR217563  Calochortus plummerae Jeff B. Galvin 2008-6-18 70 Riverside Peninsular Ranges, western foothills of the San Jacinto Mountains, Potrero, Massacre Canyon 605 Comment
  RSA377457  Calochortus splendens W. P. Burger 1979-4-29 s.n. Riverside Hidden Valley Hang Gliding Site. Near Lake Elsinore. 610 Comment
  RSA769686  Calochortus splendens Duncan S. Bell, J. D. England 2010-5-17 1010 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 759 Comment
  SDSU11903  Calochortus weedii Garrison 1962-7-16 Riverside 3 miles south of Temecula on Highwa 395 335 Comment
  RSA162804  Calochortus weedii var. intermedius John Olmsted 1958-6-10 156 Riverside 6.5 miles SW of Corona on Oak Flat fire road (Turn S in Corona from US onto Lincoln), lower Santa Ana River Drainage Area, Santa Ana Mountains. 732 Comment
  JOTR30980  Calycoseris parryi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1957 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  CHSC99602  Calycoseris wrightii LeRoy Gross 2005-3-3 1582 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  RSA777833  Calycoseris wrightii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 851 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SEINET5764663 Image available Calyptridium monandrum Ivan Johnston 1917-4-4 13784 Riverside Palm Springs, Near Palm Springs. Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UCR259196  Calyptridium monandrum Mitch Provance, Jeremiah George 2012-4-24 412- 03 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  UCR49247  Calyptridium monandrum Steve Boyd 1986-4-19 1701 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  VVC2881  Calyptridium monandrum Tim Thomas, P. J. MacKay 2010-4-12 5026 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  SD237410  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 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
  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
  UCD126084  Calystegia macrostegia subsp. arida C. L. Hitchcock; C. V. Muhlick 1962-3-16 22155 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  POM12229  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1921-7-7 1866 Riverside Idyllwild. 1616 Comment
  RSA524436  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4052 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR107408  Camissonia bistorta B. G. Pitzer 1997-3-23 2992 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA766633  Camissonia boothii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 165 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 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
  RSA4893  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-27 3009 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  CLARK-A1528-5708  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  POM14267  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4795 Riverside Palm Springs. 457 Comment
  UCR133381  Camissonia californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 1003 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  CLARK-A1703-1257  Camissonia cardiophylla Robin L. Kobaly 1977-3-23 Riverside Box Canyon Comment
  RSA454733  Camissonia cardiophylla Anstruther Davidson 1903-05 s.n. Riverside Martinez Canon, Thermal. Comment
  CLARK-A1528-660  Camissonia cardiophylla subsp. cardiophylla Charlotte Stocks 1962-5-23 Riverside Coachella Comment
  UCR241590  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-28 40556 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  RSA135304  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside Box Canyon 5.5 miles south-east of Painted Canyon turnoff. Comment
  RSA448931  Camissonia claviformis subsp. aurantiaca P. A. Munz 1930-4-6 13708 Riverside 1000 Palms. Comment
  RSA448971  Camissonia claviformis subsp. aurantiaca N. R. Zabriskie, Walter Zabriskie 1973-4-25 645 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  RSA449190  Camissonia claviformis subsp. aurantiaca Howard Mullins 1931-4-11 s.n. Riverside Palm Springs (3 miles no.) Comment
  POM160102  Camissonia claviformis subsp. peirsonii E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  SDSU3353  Camissonia confusa H. Wedberg 1958-3-31 204 Riverside 10.3 miles south of Hemet on Highway 79. Comment
  SDSU3357  Camissonia confusa H. Wedberg 1958-5-18 307 Riverside At Pinon Flat Campground, San Jacinto Mountains. Comment
  UCR98303  Camissonia confusa Scott D. White 1993-5-29 1459 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR120539  Camissonia hirtella D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1799 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 482 Comment
  UCR162405  Camissonia hirtella S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR213569  Camissonia hirtella A. C. Sanders, Matthew Malle 2010-4-23 37995 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR45967  Camissonia hirtella R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60623 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  UCR104188  Camissonia intermedia Scott D. White 1997-5-18 5172 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR106416  Camissonia intermedia George K. Helmkamp, A. C. Sanders 1997-3-15 1501 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  RSA80983  Camissonia pallida subsp. pallida G. R. Campbell 1952-4-5 18369 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  JOTR32913  Camissonia refracta Andre, Jim, Tasha La Doux 2009-2-28 10839 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  RSA508003  Camissonia strigulosa Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2305 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. Sandy opening 0.5 mi S of saddle. 1500 Comment
  SDSU3404  Camissonia strigulosa H. Wedberg 1958-3-30 192 Riverside On Machado Road, 1.0 mile southwest of Hwy 71, near Elsinore. Roadside in olive grove. Comment
  UCR169858  Camissonia strigulosa T. B. Salvato, John F. Green 2004-5-27 588 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
  RSA0112637  Camissoniopsis confusa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23904 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
  SD215583  Camissoniopsis lewisii Steve Boyd, Tim Ross et al 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  CAS-BOT-BC17706  Carex alma Philip Alexander Munz 1941-5-18 16652 Riverside Elsinore Mountains. North end of Santa Rosa Ranch, 914 Comment
  SEINET238565  Carex fracta George K. Helmkamp 1998-6-27 4123 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  SD93003  Carex multicaulis W. Bertsch 1954-5-1 514 Riverside Idyllwild; along the San Jacinto River. 1676 Comment
  RSA92097  Carex nebrascensis F. W. Peirson 1924-7-27 5002 Riverside South side of Dark Canyon, San Jacinto Mountains. 2499 Comment
  CAS-BOT-BC118514  Carex praegracilis Ivan Murray Johnston 1918-5-26 1995 Riverside Santa Ana River NW of Corona. 152 Comment
  POM14380  Carex praegracilis Phillip A. Munz 1922-7-4 5971 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA764697  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-24 12284 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR29124  Carex praegracilis A. C. Sanders, S. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  CAS-BOT-BC117863  Carex sartwelliana Frederick Morris Reed 1908-7-14 2472 Riverside San Jacinto Mountains. 1767 Comment
  CAS-BOT-BC94052  Carex senta Peter F. Zika; Nick Otting 2010-8-3 25248 Riverside vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges 2550 Comment
  RSA524444  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4080 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD63729  Castilleja applegatei Peta Mudie 1965-7-5 502 Riverside Southwest slope, north side of Santa Rosa Mtn., above Nat. Forest Campground Comment
  SEINET3079827 Image available Castilleja exserta subsp. exserta J. Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, S of Murrieta; small mesa just W of Mesa de Burro & Tenaja Road. 610 Comment
  CSUSB894  Castilleja foliolosa Steve Kulju 1974-5-9 Riverside Jack Rabbit Trail, one mile south of U.S. Highway 60. 487 Comment
  POM8715  Castilleja foliolosa P. A. Munz 1920-4-11 3813 Riverside Santa Ana River Canyon. 305 Comment
  RSA613656  Castilleja foliolosa D. L. Banks, Victor W. Steinmann 1997-3-13 1464 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south 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
  UCSB39073  Castilleja foliolosa Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway; Palm Springs 120 Comment
  UCR16031  Castilleja martinii J. Texera 1970-4-30 16 Riverside San Jacinto Mtns, 50 ft south of the road, Hwy 74, 2 mi west of Mountain Center 1280 Comment
  RSA448786  Castilleja minor subsp. spiralis Anstruther Davidson 1887 Riverside Banning. Comment
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Mar 13 2011
  RSA336059  Caulanthus hallii R. F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52071 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA586145  Caulanthus heterophyllus D. L. Banks, S. D. Boyd 1995-3-16 107 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  UCR44566  Caulanthus heterophyllus David Diaz 1981-4-29 S.N. Riverside Peninsular Range, On Indian Truck trail Comment
  RSA593696  Caulanthus lasiophyllus var. rigidus Steve Boyd, Dave Bramlet 1996-4-19 8630 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR68473  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. E. Bramlet 1990-4-29 4488 A Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  CAS-BOT-BC48457  Ceanothus crassifolius D. O. Burge 2007-3-20 799 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest. 0.66 road miles (1.05 km) from Woodchuck Road 660 Comment
  RSA606777  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27354 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SEINET10824794  Ceanothus crassifolius Nye Leith, Greg Gust 2005-3-11 Nye 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR155317  Ceanothus crassifolius A. C. Sanders, Mike Misenhelter 2005-3-23 29254 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR274296  Ceanothus crassifolius T. B. Salvato, Gregg Miller 2005-6-7 1442 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR89513  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7900 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  CHSC109245  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. 1430 Comment
  RSA757790  Ceanothus greggii var. perplexans LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4297 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
  POM254878  Ceanothus integerrimus W. Pequegnat 1940-7-1 5691 Riverside Santiago Peak. 1735 Comment
  POM48899  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1924-7-29 8856 Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA1031  Ceanothus leucodermis J. T. Howell 1928-7-8 397 Riverside Santa Ana Mountains above Glen Ivy. 1524 Comment
  UCR59767  Ceanothus leucodermis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  UCSB54149  Ceanothus leucodermis Brownell, Kathleen 1980-5-16 Riverside 2 mi. west of Lakeland Village on Hwy. 74; Santa Ana Mtns. Comment
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Nov 27 2014
  UC1071523  Ceanothus oliganthus var. sorediatus R. St. John 1931-2-13 183 Riverside Plot 70 Elsinore Quadrangle, Elsinore 457 Comment
  CAS-BOT-BC83761  Ceanothus ophiochilus D. O. Burge 2007-3-20 800 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  RSA606737  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27418 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA606740  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27407 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR68477  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2960 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  SBBG28515  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside above Banning 975 Comment
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Jul 7 2010
  CDA1881  Cenchrus ciliaris D. Halsey 1978-2-1 s.n. Riverside Kapra Ranch, Indio. 0 Comment
  CAS-BOT-BC277182  Centaurea X pouzinii R. M. Howie No date on label s.n. Riverside Fuller Rancho, Corona Comment
  RSA674565  Centaurea repens Scott D. White 2000-5-5 7770 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR26085  Centaurea repens John C. Roos, L. Roos 1951-10-24 5335 Riverside City of Riverside, between Arlington area and Pedley 229 Comment
  SEINET10910151  Centaurium J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12851 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
  UCR104169  Centaurium venustum Scott D. White 1997-5-25 5243 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR130713  Centaurium venustum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4079 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CAS-BOT-BC279122  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  UCR266416  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3882 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR280603  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2016-4-24 17- 198 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  JEPS57819  Centrostegia thurberi var. thurberi W. L. Jepson 1928-4-25 12598 Riverside below Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 731 Comment
  RSA519237  Chaenactis artemisiifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SEINET7063227  Chaenactis artemisiifolia A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UC1718083  Chaenactis artemisiifolia John S. Mooring 1962-5-15 620515 -5 Riverside along Bautista Canyon Road ca. 8 miles SE of Valle Vista. Comment
  POM9656  Chaenactis artemisiifolia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA727395  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SBBG104630  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -60 Riverside McCoy Mtns, NW of Blythe; T5S, R 20E, S19 170 Comment
  JOTR36437  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3408 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
  POM351670  Chaenactis carphoclinia var. carphoclinia L. H. Jones 1910-3-15 s.n. Riverside Rocky mountainside, Riverside Mtn, Colorado Rivers,. Comment
  RSA0034951  Chaenactis carphoclinia var. carphoclinia A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  CAS-BOT-BC276929  Chaenactis fremontii H. M. Hall 1902-4-1 2807 Riverside Colorado Desert. Coyote Canyon 152 Comment
  CLARK-A1656-747  Chaenactis fremontii Theo Glenn 1979-3-28 Riverside Palm Springs Comment
  POM288432  Chaenactis fremontii Lyman Benson 1933-3-31 4166 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  SFV11877  Chaenactis fremontii R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR3460  Chaenactis fremontii Tom Painter 1964-3-26 32664- 05 Riverside Western Colorado Desert, 2 miles north of I-US Hwy 99 [=I-10] and Twentynine Palms Rd [=Hwy 62] intersection Comment
  SD187339  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-5-7 10320 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  SEINET7097943  Chaenactis glabriuscula A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao NAD 27 (Converted to WGS84 decimal degrees) Comment
  UCSB38653  Chaenactis glabriuscula Cowan, Clark 1978-4-24 Riverside 2.1 mi. (3.3 km.) off Ave. 66 on a dirt road, 1.3 mi. (2 km.) on Ave. 66 from Hwy. 86; Lake Cahuilla Comment
  RSA613635  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 B 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
  UCR115935  Chaenactis glabriuscula var. lanosa Mitch Provance 1998-4-7 1778 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  RSA49385  Chaenactis macrantha Philip A. Munz 1949-4-12 13027 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  JOTR16574  Chaenactis stevioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. UPPER WILSON CANYON 975 Comment
  UCD20137  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -10 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  RSA778324  Chamaesyce Amber Swanson 2011-10-9 653 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  UC17620  Chamaesyce albomarginata Geo. F. Reinhardt June, 1897 Riverside Comment
  POM195636  Chamaesyce micromera L. C. Wheeler 1931-11-26 369 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA0020040  Chamaesyce micromera Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6012 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA655082  Chamaesyce micromera Scott D. White 1999-10-19 7627 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
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Dec 10 2011
  POM47251  Chamaesyce polycarpa Mary F. Spencer 1920-5-19 1563 Riverside Near Palm Springs 152 Comment
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Aug 27 2011
  SEINET5742575 Image available Chamaesyce polycarpa W. Steinmann 1999-1 1416 Riverside Foothills of the Chuckwalla Moutains, open desert ca. 2 km S of Desert Center.; Desert Center 325 Comment
  RSA741113  Chamaesyce serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  POM6696  Chamaesyce setiloba P. A. Munz, L. T. Street, G. Williams 1919-3-25 2323 Riverside Palm Canyon. 213 Comment
  SEINET6046708  Chamaesyce setiloba Unknown 1954-9-25 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UC750618  Chamaesyce setiloba Lewis S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash 182 Comment
  SEINET9457538  Chamaesyce setiloba L. Harris 1928-6-28 113 Riverside Indio. Comment
  CAS-BOT-BC66320  Cheilanthes clevelandii Peter H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  POM6793  Cheilanthes clevelandii Anonymous 1886-5-31 s.n. Riverside Banning Comment
  UC218680  Cheilanthes clevelandii P. A. Munz 1922-4-29 5116 Riverside 5 mi w Aguanga Comment
  JOTR16825  Cheilanthes covillei Supernaugh, William JR. 1967-2-16 57 Riverside Joshua Tree National Park. 1/4 MILE SOUTH OF RYAN HOMESTEAD 1341 Comment
  UC1286694  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-25 Riverside Andreas Canyon Palm Springs Comment
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Apr 16 2011
  RSA180256  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta. Comment
  RSA736704  Cheilanthes newberryi Scott D. White 2004-4-26 10246 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  SFV6304  Cheilanthes parryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 58 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCR41455  Cheilanthes parryi A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6133 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCSB38682  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCR174428  Chenopodium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32476 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
  SD186162  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley; Trilogy at Glen Ivy at the confluence of Boxby and Anderson Canyons. 366 Comment
  RSA654881  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  SEINET3090675 Image available Chenopodium californicum Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. Comment
  CLARK-A1656-768  Chenopodium murale Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  UCR167456  Chenopodium murale 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
  POM177958  Chenopodium pumilio C. F. Lackey 1931-6-30 s.n. Riverside Citrus Experiment Station grounds, Riverside. Comment
  UCR113017  Chenopodium strictum var. glaucophyllum A. C. Sanders, K. C. Rose 1998-5-21 21851 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  CAS-BOT-BC231792  Chilopsis linearis Geo. B. Grant 1906-5-1 170 a-6740 Riverside Colorado Desert at Palm Springs Comment
  CLARK-A1528-2281  Chilopsis linearis John C. Roos 1946-9-2 2938 Riverside San Timoteo Canyon 701 Comment
  CSUSB731  Chilopsis linearis Susan Larisch 1963-3-23 S. N. Riverside Ca. 10 miles above Mecca, California in Fox Canyon. Ca. 50 meters of roadside Comment
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Mar 24 2013
  RSA0012646  Chilopsis linearis April Garbat, Kristin Forgrave 2013-5-29 74 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA356894  Chilopsis linearis R. F. Thorne 1966-10-15 41786 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  SD229111  Chilopsis linearis Dick Schwenkmeyer 2013-6-11 906 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR84598  Chilopsis linearis Scott D. White, S. Ogg 1994-4-21 1965 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SEINET10457922  Chilopsis linearis Rose 1935-12-22 Rose 35682 Riverside Colorado Desert. Palm Canyon Wash. Desert. 183 Comment
  POM13252  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside Banning. Base of McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  SBBG7240  Chilopsis linearis subsp. arcuata H. and M. Dearing 1940-6-7 4331 Riverside 7 mi N Palm Springs Comment
  UC708737  Chilopsis linearis subsp. arcuata H. K. Wagnon 1944-5-30 406 Riverside Palm Springs, Tahquitz Creek Comment
  CAS-BOT-BC106014  Chloracantha spinosa var. spinosa Chris E. True; Laurel Salzman 2004-7-16 s.n. Riverside Perris Valley - 1 mile SE of Perris, San Jacinto River channel between Murrieta Rd. and Goetz Rd., SW of Case Rd. 429 Comment
  UCR157759  Chloris truncata Scott D. White 1990-9-5 s.n. Riverside Perris-Aguanga Basin region, Perris Valley, SW corner of Nuevo Rd & Dunlap Road, between Perris & Nuevo. Adjacent to the Perris Valley Storm Drain 433 Comment
  CAS-BOT-BC184874  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Salton Basin. Manual. -39 Comment
  UCR274678  Chloris virgata Stephanie Rockwood, Christi Gabriel 2011-10-18 127 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  UCR116911  Chorizanthe A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23960 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR178531  Chorizanthe brevicornu R. G. Swinney 1967-5-26 145 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA314444  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55432 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SEINET3132312  Chorizanthe brevicornu var. brevicornu G. B. Grant 1906-5-1 173 a-6715 Riverside Colorado Desert at Palm Springs Comment
  UCR41543  Chorizanthe brevicornu var. brevicornu A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6011 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR121070  Chorizanthe coriacea D. E. Bramlet 1989-4-6 1812 A Riverside Perris-Aguanga Basin, Lake Skinner area, upland between Rawson Canyon and Tucalota Creek 457 Comment
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Sep 17 2011
  UCR136188  Chorizanthe coriacea Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  UCR167072  Chorizanthe coriacea Scott D. White 2005-3-29 10851 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCD84932  Chorizanthe corrugata Chuck Hughes 2010-3-22 204 Riverside About 10.4 miles south of Highway 62, next to railroad tracks. 248 Comment
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  CAS-BOT-BC191257  Chorizanthe fimbriata var. fimbriata Frank W. Peirson 1922-5-19 3024 Riverside 3 miles NE of Murietta Comment
  SDSU13918  Chorizanthe fimbriata var. fimbriata Michael G. Simpson 2000-5-13 2116 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  RSA487227  Chorizanthe leptotheca James L. Reveal, Rose Broome 1987-6-27 6611 Riverside Along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picnic Area and 0.8 mile W of California Hwy 74. 1631 Comment
  UCR214301  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38397 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
  UCR151369  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10408 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  CLARK-A1528-3603  Chorizanthe procumbens John C. Roos 1937-5-2 1802 Riverside La Sierra Comment
  RSA561890  Chorizanthe procumbens Steve Boyd 1992-6-10 7639 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about ''Potrero Escondido'', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01), and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR217552  Chorizanthe procumbens Diane Menuz 2008-4-24 431 Riverside Peninsular Range: Santa Ana Mts, Cleveland Natinal Forest. Along Los Alamos Canyon. 70 m north of Wildomar Road 409 Comment
  RSA0049855  Chorizanthe rigida Jim Andre 2014-1-27 26666 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA747801  Chorizanthe rigida Justin M. Wood 2009-3-26 397 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR121193  Chorizanthe staticoides D. E. Bramlet 1989-5-20 1880 Riverside Perris-Aguanga Basin region, Lake Skinner area, 7500 ft. (1.4 mi) east of Lake Skinner Dam and 500 ft. (c. 0.1 mi.) north of access road 518 Comment
  CAS-BOT-BC248059  Chorizanthe xanti var. leucotheca Edmund C. Jaeger 1922-4-10 s.n. Riverside Snow Creek, Colorado Desert 304 Comment
  CAS-BOT-BC248062  Chorizanthe xanti var. leucotheca J. H. Thomas 1949-4-24 462 A Riverside About 2 miles east of Whitewater, off of highway to Morongo Lodge. About 17 miles east of Banning Comment
  SEINET10445998 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, and Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5km WNW of White Water, 20km NW of Palm Springs 456 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  CLARK-A1528-1739  Chrysothamnus teretifolius John C. Roos 1942-10-24 2577 Riverside Joshua Tree National Park 1523 Comment
  CAS-BOT-BC293737  Chylismia cardiophylla subsp. cardiophylla Mona Bourell 1987-4-14 3278 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  RSA0117920  Chylismia cardiophylla subsp. cardiophylla Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7653 Riverside Mecca Hills: Side canyon along Painted Canyon Road. northeast of Mecca, northwest of Box Canyon. 170 Comment
  UC1184378  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11750 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UC873936  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8764 Riverside dunes 20 mi n Indio Comment
  POM17937  Cichorium intybus P. A. Munz 1923-6-14 7119 Riverside Corona Comment
  UCR193907  Cirsium occidentale var. californicum A. C. Sanders, Mitch Provance 2008-7-11 35775 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR202002  Cirsium occidentale var. californicum 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
  SEINET3005050  Cistanthe ambigua G. Rink 2011-4-27 10487 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 109 Comment
  UCR174560  Clarkia dudleyana Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 101 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR178338  Clarkia dudleyana Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 652 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCSC007501  Clarkia epilobioides Michael Wall 2007-5-25 21078 Riverside Rawson Canyon, NE of Skinner Reservoir, on moderate north facing slopes off Rawson Rd. 2.5 mi. East of Washington Ave. 615 Comment
  CSUSB233  Clarkia purpurea Dennis Vander Ven 1968-5-19 680519 1 Riverside About 7 miles west of Murrieta on Tenaja Road, 170 yards past first fork in road, right fork. On left side, directly by road. 701 Comment
  SD140044  Clarkia purpurea Scott White 1993-4-22 1252 Riverside North Alberhill Ranch, in hills North of Walker Canyon. Comment
  SEINET3093400 Image available Clarkia purpurea Scott White 1991-5-13 91 -113 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  RSA448297  Clarkia purpurea subsp. quadrivulnera Gale Sphon 1959-5-2 319 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA448300  Clarkia purpurea subsp. quadrivulnera N. C. Cooper 1944-6-16 1443 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA764122  Clarkia rhomboidea L. M. Prince, Duncan S. Bell 2009-6-17 579 Riverside Cleveland National Forest Comment
  UCR165912  Clarkia rhomboidea T. B. Salvato, John F. Green 2004-5-27 552 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
  UCR151433  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1546 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR240628  Clematis lasiantha Tracy Tennant, Mitch Provance 1998-6-16 MOR- 423 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  CLARK-A1528-3851  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  RSA6085  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside Snow Creek N base San Jacinto Mountains, just above the Fish Hatchery 640 Comment
  RSA248043  Cleome isomeris R. F. Thorne, C. W. Tilforth 1973-5-30 43581 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  RSA440817  Cleome isomeris M. B. Dunkle 1933-3-3 3030 Riverside Garnet Station, Colorado Desert 91 Comment
  UCR232358  Cnicus benedictus John F. Green 2008-4-16 A- 02 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA0117430  Collinsia concolor Steve D. Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail southeast of its junction with the Dripping Springs Trail. 610 Comment
  UC26576  Collinsia concolor Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mtns Comment
  RSA0117438  Collinsia concolor G. R. Campbell 1951-5-30 16137 Riverside 9 miles west of Anza. 1067 Comment
  SBBG93117  Collinsia heterophylla R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  GMDRC3109  Colubrina californica J. Andre, T. La Doux 2008-9-13 10276 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  RSA0024815  Condalia globosa var. pubescens Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4461 Riverside Orocopia Mountains; southeast section of range, south of Salt Creek, about 0.25 air mile south of the Bradshaw Trail. 469 Comment
  SBBG101698  Conium maculatum S. Boyd, T. Ross 1991-6-14 6378 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA552706  Conyza canadensis Steve Boyd, Timothy S. Ross 1992-2-21 6662 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR22091  Conyza canadensis Steve Boyd 1980-9-22 359 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  UC1746494  Conyza floribunda A. C. Sanders, Mitch Provance, T. Salvato, O. F. Clarke 1999-10-5 23134 Riverside E edge of UCR campus; Riverside; new O.F. Clarke residence on Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  UC26331  Cordylanthus nevinii H. M. Hall Aug. 1901 2619 Riverside s side San Jacinto Mountains 1828 Comment
  UCR54452  Cordylanthus rigidus A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  SEINET13682285  Cordylanthus rigidus J. VanDeventer 1903-1 15 Riverside San Jacinto Mountains. Comment
  POM355977  Coreopsis californica Norman C. Cooper 1944-3-25 1024 Riverside Cabazon. 457 Comment
  SEINET904989  Coreopsis californica Lewis S. Rose 1949-1 Riverside 4 miles north-west of Alberhill, desert wash 304 Comment
  UCR48416  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR79254  Coreopsis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area: from Fisherman's Camp downstream to confluence w/ Bluewater Canyon 366 Comment
  CAS-BOT-BC228592  Corethrogyne filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough: Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 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
  SDSU4694  Corethrogyne filaginifolia var. filaginifolia James C. Dice, J. D. Tenhumen 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
  CAS-BOT-BC209728  Cornus glabrata P. A. Munz 1922-6-24 5806 Riverside Hemet Valley, San Jacinto Mts. Along banks of Pipe Creek 1524 Comment
  UC218222  Cornus glabrata P. A. Munz 1922-6-24 5806 Riverside Hemet Valley, Pipe Creek San Jacinto Mts., Hemet Valley, Pipe Creek 1524 Comment
  UCSB4670  Cornus sericea DeWitt, Jack 1959-5-17 Riverside At Dark Canyon Camp grounds; near Idyllwild; San Jacinto Mtns. 1524 Comment
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Nov 5 2018
  UCR104036  Cotula australis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1328 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  JEPS37546  Cotula coronopifolia Marjorie D. Clary 1932-7-3 1230 Riverside 6 mi w of Aguagua 579 Comment
  UCR98070  Cotula coronopifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19897 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA560370  Crassula connata Steve Boyd 1992-4-14 6812 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
  UCR35131  Crassula connata L. B. Ziegler 1969-6-12 375 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) in sandy stream bed near Pine Meadows 1433 Comment
  RSA543874  Crassula solieri Steve Boyd, D. E. Bramlet 1991-5-13 6225 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  CAS-BOT-BC175814  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Rocky wall of Morongo [Canon] Canyon, n. Colorado Desert 609 Comment
  CAS-BOT-BC175816  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Along road between Morongo Valley and Coachella Valley Comment
  RSA397722  Crossosoma bigelovii N. R. Zabriskie, W. M. Zabriskie 1972-12-26 550 Riverside Andreas Canyon watershed, East slope San Jacinto Mtns. N slope of W ridge of North Canyon just below beginning of high ridge. 854 Comment
  UCR243566  Crossosoma bigelovii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21093 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  POM87335  Croton californicus Marcus E. Jones 1903-5-11 A.M. Riverside Banning. 701 Comment
  RSA697578  Croton californicus Wilma Griset 1931-3-29 s.n. Riverside Indio (Edon) Comment
  SEINET10493394  Croton californicus David B. Dunn 1946-3-15 Dunn 2039 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  UCR178571  Croton californicus var. mohavensis R. G. Swinney 1967-2-4 0011 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 305 Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SD39166  Cryptantha angustifolia Edith A. Purer 1935-4-21 6457 Riverside Near Palm Springs 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
  UCSB5589  Cryptantha angustifolia Krogen, Roger 1957-1 Riverside 26 mi. E of Indo on Hwy 60-70, near S entrance to Joshua Tree Nat. Park Comment
  RSA0127780  Cryptantha angustifolia G. Rink 2013-3-17 11866 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  JEPS20702  Cryptantha barbigera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13245 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  UCR41595  Cryptantha barbigera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6116 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCSB12065  Cryptantha barbigera Dearing, Hugh; Dearing, Margaret 1942-3-1 Riverside Near Cathedral City Comment
  JOTR33979  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding 2010-4-7 2867 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  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
  RSA0119974  Cryptantha barbigera var. fergusoniae Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9093 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  SDSU21880  Cryptantha barbigera var. fergusoniae Kristen Hasenstab, M. G. Simpson 2008-4-2 66 Riverside Joshua Tree National Park. North side of Split Rock, 100ft south of the trail wrapping around Split Rock. 1294 Comment
  UCR132648  Cryptantha barbigera var. fergusoniae N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 180 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
  UCR256948  Cryptantha costata Duncan S. Bell 2012-4-5 3308 Riverside Sonoran (Colorado) Desert, 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; c. 6.75 air miles directly north of Hell 141 Comment
  SBBG6254  Cryptantha decipiens H. and M. Dearing 1942-2-6 4800 Riverside near Cathedral City Comment
  RSA778234  Cryptantha dumetorum Duncan S. Bell 2009-3-8 39 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR245642  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  JEPS82348  Cryptantha intermedia L. R. Heckard 1969-4-24 2162 Riverside about 7 mi s Sage (along Highway 79) Comment
  POM145540  Cryptantha intermedia J. B. Feudge 1926-4-13 1845 Riverside Palm Springs, Colorado Desert. 152 Comment
  RSA683088  Cryptantha intermedia Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8664 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA771787  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4702 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65123 604 Comment
  RSA778140  Cryptantha intermedia J. Andre 2011-2-2 16213 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SEINET244864  Cryptantha intermedia Ian G. Gillespie 2000-4-27 30 Riverside Temescal Valley; 0.9 mi SE of Indian Truch Train and 30 m S of DePalma Road. 412 Comment
  UC1563091  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside 0.25 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UCD119843  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 miles northeast of Aguanga. Comment
  UCR91393  Cryptantha intermedia Scott D. White 1995-4-5 2710 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA0076112  Cryptantha intermedia J. D. Olmsted 1962-5-2 3446 Riverside By saddle just north of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  JOTR33978  Cryptantha maritima La Doux, Tasha, M. Harding 2010-4-7 2866 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
  JOTR35048  Cryptantha maritima La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3501 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  JOTR35049  Cryptantha maritima La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3501 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  JOTR35287  Cryptantha maritima Andre, Jim 2012-4-11 20780 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA776299  Cryptantha maritima Duncan S. Bell, Amanda Turek 2010-4-10 825 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR167246  Cryptantha maritima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR245257  Cryptantha maritima Jim Andre 2012-3-19 21293 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  RSA703480  Cryptantha maritima var. maritima LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1425 -a Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SEINET12280852  Cryptantha micrantha Unknown 1936-1 12847 Riverside Colorado Desert 5 mi N of Palm Springs Comment
  SD247354  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41430 Riverside San Gorgonio Pass: San Gorgonio River wash, c.3.7 miles east of Cabazon, c. 1.25 mi NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  UCR120900  Cryptantha microstachys A. C. Sanders, D. Malueg 2002-4-8 24909 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
  UCR138755  Cryptantha microstachys Scott D. White 1997-5-18 5181 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR158856  Cryptantha microstachys Scott D. White 1994-6-14 2060 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR135722  Cryptantha muricata Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9028 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  VVC2899  Cryptantha muricata var. jonesii Tim Thomas, P. J. MacKay 2010-4-12 5045 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0106759  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Amanda Turek 2009-3-29 142 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  JOTR29374  Cryptantha racemosa La Doux, Tasha, Mike Bell 2006-5-10 1451 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA27050  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  JOTR31065  Cryptantha utahensis La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2047 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 4: west side of Quail Mountain region, just below ridge line on steep loose slopes, mostly north facing, with boulder outcrops Comment
  RSA0126639  Cryptantha utahensis Duncan S. Bell 2016-3-4 8798 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SD28102  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside Summit of San Jacinto Peak, San Jacinto Mountains 3310 Comment
  SEINET7048197  Cucurbita foetidissima Steven R. Hill, Andrew C. Sanders 2001-5-4 33706 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  MACF019761  Cupressus arizonica var. glabra Trudy R. Ericson 1975-10-5 415 Riverside Hurkey Creek Campground 1371 Comment
  UCR231193  Cupressus forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  CLARK-A1528-2662  Cupressus stephensonii John C. Roos 1962-5-19 Riverside Loma Linda Comment
  RSA180434  Cuscuta californica E. W. Lathrop 1960-6-10 4991 Riverside Rocky meas slope of a grassland savanna plateau Comment
  POM48872  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 a Riverside ca. 8 miles S of Banning. 1524 Comment
  RSA77261  Cyclospermum leptophyllum O. F. Clarke 1953-4-3 s.n. Riverside Grounds of Citrus Experiment Station. Comment
  SEINET5624455 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17534 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  CHSC36065  Cynodon dactylon Paul Bailey 1972-5-14 131 Riverside Roadside 5 miles SE of Temecula, Hwy S 16, Pechanga Canyon. 670 Comment
  RSA586812  Cynodon dactylon D. L. Banks, Steve Boyd 1995-5-3 279 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
  UCR113854  Cynodon dactylon Mitch Provance 2000-6-24 2062 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR22187  Cynodon dactylon E. W. Lathrop 1959-4-26 4504 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  CDA2591  Cyperus esculentus G. D. Barbe 1973-10-19 1732 Riverside Marshburn Farms. Southeast corner of Van Buren and Road 62, west of Thermal. 0 Comment
  RSA666722  Cyperus involucratus A. C. Sanders, Steven R. Hill 2001-5-4 24149 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) just west of Camaron Rd., east of Calle Calmar., 33 29.6 N, 117 15.9 W 396 Comment
  RSA577533  Cyperus laevigatus L. C. Wheeler 1932-9-4 1325 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC1930201  Cyperus niger Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10680 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  CAS-BOT-BC113965  Cyperus odoratus Frederick Morris Reed 1903-12-13 412 Riverside Bog above Bollingers Dam. Arroyo Chico. Comment
  UCR199649  Cyperus odoratus Justin M. Wood 2008-7-16 37 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR60752  Cyperus odoratus Bill Wagner 1989-11-28 s.n. Riverside Peninsular Range, c. 1 mi west of Santa Margarita River, 3-4 mi south of Temecula. Comment
  RSA712688  Cyperus retrorsus S. Morgan 1994-9-13 s.n. Riverside Riverside, UCR campus in the Botanic Garden. Along the trail in the chapparal section just W of (below) the lath house. Comment
  UC1100637  Cyperus rotundus Herbert L. Mason and S. Galen Smith 1948-9-3 503 Riverside Thermal Comment
  UC816892  Dactylis glomerata Crawford and Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona; Santa Ana River Comment
  JEPS8337  Dalea mollis Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3600 Riverside just opposite and e. of n. end of Salton Sea (along CA Hwy. 111) -60 Comment
  RSA0043045  Dalea mollis Duncan S. Bell, Loraine Washburn 2014-4-8 6579 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  SD185213  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside Rice Valley, southeast of Danby Dry Lake, south of Highway 62, along Midland Road, south of railroad crossing. 234 Comment
  UCR167410  Dalea mollissima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  SEINET10486082  Dalea schottii David B. Dunn 1946-3-15 Dunn 2025 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  JOTR38531  Dasyochloa pulchella Harding, Mitzi, Kipp Callahan 2012-8-27 297 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  UC534829  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside near Santa Rosa (Santa Rosa Mountains); Santa Rosa Mountains 1828 Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UC724163  Datura discolor Aven and Ruth Nelson 1939-3-28 3298 Riverside near ne side Salton Sea; near ne side of the Salton Sea Comment
  RSA192102  Datura wrightii E. W. Lathrop 1960-6-15 5015 Riverside 10 mi. W. of Murrieta. Comment
  RSA773039  Datura wrightii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5043 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UCR235083  Datura wrightii A. C. Sanders, John F. Green 2012-6-1 40230 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  SDSU13680  Daucus pusillus Jutta Buschbom 1991-3-6 11 Riverside SE-Slope, N-Border of reserve, beyond an avocado grove, ca. 500m (15 min.) NW from the fieldstation. Santa Margarita Ecological Reserve Comment
  UCR250566  Daucus pusillus A. C. Sanders 2014-4-25 41067 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  POM9606  Daucus pusillus I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  CAS-BOT-BC293822  Deinandra fasciculata John Thomas Howell 1930-5-10 4789 Riverside 2 miles south of Perris Comment
  UC68894  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside vicinity of Riverside 365 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-BC414252  Deinandra paniculata R. E. Riefner, Jr. 2014-6-1 14 -140 Riverside Northeast of Norco, E of Eastvale, Community of La Sierra, Hidden Valley Wildlife Area, Santa Ana River Trail, ca. 0.6 mi N of Arlington Ave. 205 Comment
  JEPS38269  Deinandra paniculata W. L. Jepson 1901-5-17 1226 Riverside Comment
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May 15 2011
  SD137876  Deinandra paniculata Darin L. Banks, Steve Boyd 1995-10-26 829 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Woodchuck Trail. 940 Comment
  UC1746485  Deinandra paniculata A. C. Sanders with S. D. Boyd, Mitch Provance, and J. Ross 22297 Riverside 5.5 mi W of Bautista Rd. on Hwy 371 Cahuilla Valley; Anza Area; NW 1/4 section 8 1052 Comment
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May 29 2012
  UC1792825  Deinandra paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side just north of Rose Rd. 463 Comment
  UC1031413  Delphinium parishii H. Lewis and C. Epling 1941-5-4 Riverside 5 mi s White Tank (on road to Pinto Basin); Joshua Tree Nat. Mon. Comment
  UC667253  Delphinium parishii subsp. parishii Annie M. Alexander and Louise Kellogg 1941-5-11 2148 Riverside 1.5 miles North of Cottonwood Spring 975 Comment
  RSA0034437  Delphinium parishii subsp. parishii Donald A. Johansen, Joseph A. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. 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
  SD152772  Delphinium parryi Steve Boyd, Tim Ross 1992-5-4 7191 Riverside San mateo Canyon Wilderness, Oak Flats area east of Verdugo Potrero, native grassland 730 Comment
  UCR125207  Delphinium parryi Mitch Provance 1998-5-24 537 Riverside Jurupa Mountains, Central 'Rattlesnake Mt.', 0.5km NE of peak 1739. 457 Comment
  UCR167435  Delphinium parryi John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR240629  Delphinium parryi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 427 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA688853  Dendromecon rigida Scott D. White, Michael Honer 2003-5-13 9255 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR167976  Dendromecon rigida T. B. Salvato, John F. Green 2004-5-27 656 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
  RSA357135  Dendromecon rigida subsp. rigida Robert F. Thorne 1969-10-25 41852 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  RSA740653  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside Meadows at Baldy Mtn. 1585 Comment
  POM11891  Descurainia obtusa subsp. adenophora E. C. Jaeger 1921-6-14 s.n. Riverside MacMullin Trail 1220 Comment
  UCR264604  Descurainia pinnata Mitch Provance 2012-6-19 196- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA0117928  Descurainia pinnata subsp. glabra Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7634 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  UC136971  Descurainia pinnata subsp. glabra T. S. Brandegee 1902-5-14 Riverside Whitewater; San Bernardino Comment
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Jan 15 2010
  RSA0120624  Descurainia pinnata subsp. intermedia Duncan S. Bell, Thomas Stoughton 2016-3-15 8935 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  CAS-BOT-BC292192  Dicoria canescens Alice Eastwood 1913-4-30 3110 Riverside Palm Springs Comment
  POM122881  Dicoria canescens Marcus E. Jones 1924-12-10 s.n. Riverside Banning Comment
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Mar 13 2011
  POM356426  Dicoria canescens H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
  RSA643295  Dicoria canescens R. D. Goeden, D. W. Ricker 1986-5-29 s.n. Riverside Coachella Valley: Indio, Monroe St. -6 Comment
  RSA709117  Dicoria canescens Scott D. White, Justin M. Wood 2005-10-4 11237 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  SBBG8046  Dicoria canescens H. and M. Dearing 1939-11-12 4034 Riverside W Colorado Desert Comment
  SJSU1769  Diplacus aurantiacus G. B. Youngberg 1956-3-27 181 Riverside hills near La Sierra College Arlington 251 Comment
  CAS-BOT-BC152915  Diplacus brevipes Peter H. Raven 1958-5-17 12947 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA0019290  Diplacus brevipes A. C. Sanders 2008-7-25 35896 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA0019420  Diplacus fremontii Scott D. White 1999-6-6 7440 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA0019419  Diplacus fremontii Diane M. Ramirez 1983-5-15 24 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill 1254 Comment
  RSA0019428  Diplacus fremontii H. M. Hall 1901-06 2049 Riverside In the vicinity of Chalk Hill. 1524 Comment
  UCR239908  Diplotaxis muralis O. F. Clarke 2003-4-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET7248342 Image available Distichlis spicata Duncan S. Bell, Evan Meyer 2014-1 6493 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; Canyon Spring. 367 Comment
  UC53550  Distichlis spicata J. E. Roadhouse 1903-7-16 6 Riverside Salton Sink Comment
  UC51618  Distichlis spicata var. divaricata Jos. Burtt Davy 1902-4-2 Riverside Salton; ; Salton, Riverside Co. Comment
  RSA799919  Ditaxis californica Justin M. Wood, D. M. Ray 2011-4-28 3853 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
  UCR21633  Ditaxis claryana Steve Boyd 1980-8-26 s.n. Riverside Santa Rosa Mtns, Magnesia Springs Canyon, at cove by first waterfall 244 Comment
  UCR5218  Ditaxis neomexicana O. F. Clarke 1966-10-5 661005- 07 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  RSA278953  Ditaxis serrata B. A. Prigge, L. Martinez 1978-3-23 s.n. Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of north Palm Springs on Dillon Rd. 274 Comment
  CAS-BOT-BC43641  Dithyrea californica P. A. Munz; L. Street; I. Williams 1919-3-25 2309 Riverside Whitewater. 304 Comment
  RSA530745  Dithyrea californica Albert J. Perkins 1920-3-6 s.n. Riverside Indian Wells, California Desert Comment
  UC1279723  Dithyrea californica David B. Dunn 1948-3-14 3774 Riverside 5 mi s Indio Hills (near Hidden Springs Ranch); Colorado Desert Comment
  UC310226  Dithyrea californica Edmund C. Jaeger 1925-12-22 Riverside 5 mi e Palm Springs; Eagle Canyon Comment
  SEINET12005463  Dithyrea californica S. B. Parish, Parish, W. F. 1881-1 15 Riverside Whitewater Comment
  POM305364  Dodecatheon clevelandii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 654 Riverside Between Corona and Elsinore. Comment
  CLARK-A1045-179  Downingia cuspidata George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR113630  Downingia cuspidata June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  CAS-BOT-BC41632  Draba corrugata var. saxosa Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Mountains. San Jacinto Peak. 3293 Comment
  UCR217794  Draba cuneifolia Jim Andre, T. La Doux 2010-2-28 12561 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  POM7016  Draba cuneifolia var. integrifolia P. A. Munz 1919-3-25 2311 Riverside Beaumont. 610 Comment
  UC527311  Drymocallis glandulosa var. viscida C. B. Wolf 1931-5-11 1961 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek 1676 Comment
  UC12559  Drymocallis lactea var. lactea H. M. Hall July 1901 2400 Riverside in meadows or along creeks Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2804 Comment
  IRVC19379  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  UCR209225  Dudleya lanceolata R. G. Swinney 1969-5-18 476 Riverside San Bernardino Mtns., Whitewater Canyon 640 Comment
  CAS-BOT-BC109670  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Temescal Canyon. Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Northwest of Indian Truck Trail. Comment
  RSA773038  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5046 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  CAS-BOT-BC109625  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-4 835 Riverside Hidden Valley, Joshua Tree National Monument. 1300 Comment
  UCSB18343  Echinocereus engelmannii Lehmann, Karla 1964-5-10 Riverside State Highway 74; 4.7 miles E of Pinyon Flats Campground 944 Comment
  SEINET10447308  Echinocereus engelmannii A. Evans 1976-4-13 Evans 5172 Riverside Rocky slopes of santa rosa mtns. Comment
  RSA544439  Elatine brachysperma Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6346 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UC1756  Eleocharis acicularis H. M. Hall Jul 1901 2366 Riverside Tauquitz [Tahquitz] Valley 2438 Comment
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Jul 5 2010
  HSC46428  Eleocharis macrostachya Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mtns. 701 Comment
  JOTR34102  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SD186018  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd. 412 Comment
  SD204751  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55212 Riverside Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  UC839179  Eleocharis macrostachya P. A. Munz 1922-4-29 5105 Riverside Temecula River Comment
  UCR220323  Eleocharis macrostachya D. E. Bramlet 1992-4-3 2207 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  RSA741011  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-18 12228 Riverside K Flat Meadow. 1433 Comment
  UC839229  Eleocharis parishii Ivan Johnston 1917-4-4 Riverside Palm Canyon Southern California, Colorado Desert Comment
  SD233693  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons. Disturbed drainaage channels. 366 Comment
  UCR174252  Elymus condensatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32500 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
  UC38190  Elymus glaucus H. S. Yates June 1901 2207 Riverside San Jacinto Mountains; s side 1645 Comment
  UC38215  Elymus glaucus H. M. Hall July, 1901 2253 Riverside Box Springs San Jacinto Mountains 1615 Comment
  CAS-BOT-BC234141  Elymus multisetus H. M. Hall 1901-6-1 2037 Riverside South side San Jacinto Mountains 1371 Comment
  LA14869  Elymus triticoides F. M. Reed; 1907-5-26 1363 Riverside Spring Brook near foot of Rubidoux Mt Comment
  RSA180275  Emmenanthe penduliflora E. W. Lathrop 1965-5-18 5750 Riverside 8 miles W of Murrieta. 610 Comment
  SD137736  Emmenanthe penduliflora Darin L. Banks, Steve Boyd 1995-5-3 221 Riverside Agua Tibia Wilderness Area. East of the Dripping Springs Alcove Area; Arroyo Seco. 1640 Comment
  SD204900  Emmenanthe penduliflora R. F. Thorne, W. Wisura and Dave Michener 1982-5-24 55187 Riverside Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  SFV5025  Emmenanthe penduliflora F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UC1537546  Emmenanthe penduliflora Gordon H. True Jr. 1935-3-11 65 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCR116927  Emmenanthe penduliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24216 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR244419  Emmenanthe penduliflora Jim Andre 2012-4-16 20914 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  POM9612  Emmenanthe penduliflora H. M. Hall 1902-4-26 2986 Riverside Vicinity of Riverside. 457 Comment
  UCR215515  Emmenanthe penduliflora var. penduliflora Daphne K. Christopher, Hannah I. Stevens 2003-4-4 084 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  CHSC313  Encelia actoni E. Thomas 1949-4-9 Riverside Murietta. Comment
  SD216463  Encelia actoni Jay B. Walker 1995-5-3 1407 Riverside South of Palm Desert along Highway 74, 3 kilometers East of Pinyon Flats Campground. 1200 Comment
  UCR235217  Encelia actoni A. C. Sanders, John F. Green 2012-6-1 40243 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
  UCR120157  Encelia californica Mitch Provance 1998-2-28 118 Riverside Jurupa Mountains, NW 'Wilder's Canyon', 0.2 km SE of pk 1538, along slopes on the NW side of the Stringfellow Acid Pits. 366 Comment
  CAS-BOT-BC131333  Encelia farinosa L. Street 1917-5-15 s.n. Riverside Elsinore Comment
  CAS-BOT-BC131345  Encelia farinosa E. A. McGregor 1917-3-18 700 Riverside 5 miles up Painted [Canon] Canyon Comment
  JOTR31865  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  LA205845  Encelia farinosa F. R. Fosberg; 1932-3-13 8067 Riverside Coachella Valley, Thousand Palms Canyon Comment
  OBI51912  Encelia farinosa Steve Boyd, S. Meury, R. Noyes, L. arnseth, d. Nordin, T. Ross 1988-3-10 2127 Riverside N end Palen Mtns, 2 mi W of Palen Pass 300 Comment
  UCD131213  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley near Eden P.O. Comment
  JOTR34054  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  CLARK-A1528-1811  Encelia virginensis subsp. actonii John C. Roos 1941-8-2 84 Riverside 609 Comment
  JOTR16664  Ephedra californica Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  RSA774503  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4425 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305 487 Comment
  RSA796330  Ephedra californica Duncan S. Bell 2009-4-19 275 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SBBG393  Ephedra californica H. and M. Dearing 1939-11-12 4035 Riverside E of Banning Comment
  SD216458  Ephedra californica Carol R. Annable 1995-3-9 2252 Riverside Circa 14.5 kilometers Northwest of Palm Springs, North slope of Whitewater Hill. Comment
  SEINET3866917  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater Wash. 3 mi. se. of Palm Springs Station.; 0 305 Comment
  UCR91060  Ephedra californica Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument. East side of the Hexie Mtns., SW of Bench Mark 2394, south of Pinto Mtn., & Pinto Basin Road 732 Comment
  UC813664  Ephedra fasciculata var. clokeyi I. W. Clokey 1935-4-17 6512 Riverside Cottonwood Springs Comment
  RSA719043  Ephedra trifurca Michael Honer 2005-3-11 2057 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  SBBG51153  Ephedra viridis N. R. Zabriskie, W. Zabriskie 1974-3-30 696 Riverside S of jct with North Cyn, Andreas Cyn Comment
  UCR40150  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  RSA9685  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-3 197 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mountains. 2348 Comment
  SBBG60199  Epilobium ciliatum subsp. ciliatum M. Lewis 1947-8-26 3 Riverside Dark Cyn 1981 Comment
  UC64301  Epilobium ciliatum subsp. ciliatum H. M. Hall July 1901 2640 Riverside Johnston Ranch San Jacinto Mountains, vicinity of Strawberry Valley (along watercourses) 1600 Comment
  UCR159202  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 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
  RSA381722  Epipactis gigantea M. B. Dunkle 1933-5-6 3423 Riverside Andreas Canyon, Colorado Desert. Comment
  RSA0037243  Equisetum funstonii Keith E. Hoffmaster 1934-4-22 s.n. Riverside Santa Ana Mts. Comment
  UCSC001069  Equisetum hyemale subsp. affine Peter Kamb 1948-10-31 1277 Riverside Hall Canyon, San Jacinto Mts 1646 Comment
  RSA33551  Equisetum hyemale var. affine Norman C. Cooper 1177 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  RSA595260  Eragrostis curvula var. conferta D. L. Banks, Elizabeth Hedge Banks 1996-5-2 965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the W side of the road next to a citrus orchard. 399 Comment
  UCR23990  Eragrostis mexicana subsp. virescens John C. Roos 1965-7-7 s.n. Riverside San Jacinto Comment
  UCD64538  Eragrostis pectinacea Fred M. Reed 1904-8-10 85 Riverside Riverside and vicinity. Comment
  CLARK-A1528-3221  Eremalche exilis John C. Roos 1949-3-19 4115 Riverside Indio Comment
  RSA4931  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3067 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  SBBG71536  Eremalche rotundifolia S. W. Hutchinson -Feb-1925 698 Riverside entrance to Painted Cyn Comment
  SBBG60442  Eremothera boothii subsp. condensata R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UC2030110  Eremothera boothii subsp. condensata V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1095 Riverside Transverse Ranges, Little San Bernardino MOuntains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  JOTR36440  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
  RSA0104868  Eriastrum densifolium subsp. austromontanum Scott D. White, Duayne Haselfeld 1996-7-2 4259 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD3841  Eriastrum densifolium subsp. austromontanum F. Youngberg 1933-8-28 Riverside Near Camp Emerson, Boy Scout camp; Idyllwild. Comment
  RSA0110542  Eriastrum densifolium subsp. elongatum B. Pitzer, B. L. Phillips 1988-7-1 1481 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  SD128331  Eriastrum eremicum subsp. eremicum R. Mitchel Beauchamp 1971-5-16 2427 Riverside Ribbonwood, north side of Santa Rosa Mountains. 1175 Comment
  SEINET14591761  Eriastrum harwoodii N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-1 6473 Riverside Rice Valley, 3.5 miles SSW of Rice. 244 Comment
  UCD118317  Eriastrum sapphirinum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  UCR104189  Eriastrum sapphirinum Scott D. White 1997-5-25 5231 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR104932  Eriastrum sapphirinum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  UCR261506  Eriastrum sapphirinum A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41728 Riverside Temesal Canyon, west side of Horse Thief Canyon Rd. just south of DePalma Rd., Horsethief Canyon wash 392 Comment
  RSA0121559  Eriastrum sapphirinum subsp. dasyanthum Scott D. White 1997-5-25 5231 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  RSA0121588  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2000-5-25 23398 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR19151  Eriastrum sapphirinum subsp. dasyanthum John C. Roos 1952-5-26 5723 Riverside Haas' ranch, Reche Canyon 457 Comment
  RSA0121561  Eriastrum sapphirinum subsp. dasyanthum Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  RSA0122014  Eriastrum sapphirinum subsp. dasyanthum F. M. Reed 1926-5-8 5309 Riverside Rocky hills south of Perris on Elsinore Road. Comment
  RSA0122955  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6946 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  UCSB14840  Eriastrum sapphirinum subsp. sapphirinum Breedlove, Dennis 1961-5-6 Riverside 7 miles S of Banning, Hwy 234, San Jacinto Mountains 1158 Comment
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Jun 2 2013
  UCSB16706  Eriastrum sparsiflorum Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside East of Hemmet on the Palms to Pines Highway Comment
  CAS-BOT-BC434240  Ericameria linearifolia Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9012 Riverside Santa Rosa Mtns.: c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  RSA601090  Ericameria linearifolia A. C. Sanders 1996-5-1 18130 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  SD128372  Ericameria linearifolia R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2065 Riverside Slopes along Coyote Canyon Road, Terwilliger Valley. 900 Comment
  UCR120207  Ericameria palmeri var. pachylepis Mitch Provance 1998-3-5 192 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CAS-BOT-BC293299  Ericameria teretifolia Philip A. Munz 1932-10-16 12872 Riverside North slope of Santa Rosa Mts., Indio to Vandeventer Flat road 1066 Comment
  POM19627  Erigeron foliosus Mary F. Spencer 1923-8-1 2215 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  CAS-BOT-BC296137  Erigeron foliosus var. foliosus Lester Rowntree 1936-5-16 s.n. Riverside Pines to Palms Road Comment
  JOTR37453  Erigeron foliosus var. foliosus Hodges, Stephen, T. Green 2016-5-24 575 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA701741  Erigeron foliosus var. foliosus Steve Boyd, Valerie L. Soza 2004-6-22 11538 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  CLARK-A1703-80  Eriodictyon crassifolium Sherri Stange 1980-5-31 Riverside Hemet 518 Comment
  UCR116797  Eriodictyon crassifolium A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24173 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR231815  Eriodictyon crassifolium Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 13 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA699633  Eriodictyon trichocalyx Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  JEPS57092  Eriogonum apiculatum Marjorie D. Clary 1932-11-14 1675 Riverside Palms to Pine Road San Jacinto Mts. 1310 Comment
  RSA393080  Eriogonum apiculatum Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Ridge. 2439 Comment
  SBBG36969  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  UCR56075  Eriogonum austrinum G. F. Pratt 1988-12-31 s.n. Riverside Sonoran (Colorado) Desert, Granite Mountains, south of Rice 915 Comment
  UC6303  Eriogonum davidsonii H. M. Hall July, 1901 2624 Riverside vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  POM187380  Eriogonum deflexum var. deflexum E. Crow 1930-5-17 s.n. Riverside Between Mecca and Shaver's Well. Comment
  POM13305  Eriogonum elongatum E. C. Jaeger 1069 Riverside Cabazon. Comment
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Mar 13 2011
  RSA771751  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4613 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  LA206806  Eriogonum fasciculatum Norman C. Cooper; 1944-7-15 1572 Riverside Banning 701 Comment
  RSA0088968  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1967-5-26 11740 Riverside Snow Creek. 335 Comment
  CAS-BOT-BC249897  Eriogonum fasciculatum var. flavoviride Carl B. Wolf 1932-10-12 4293 Riverside Colorado Desert. Little San Bernardino Mts. Pinyon Well 1219 Comment
  CAS-BOT-BC249957  Eriogonum fasciculatum var. foliolosum A. M. White 1974-6-4 1367 Riverside Indian Road ca. 15 mi W. of Sun City Comment
  LA206785  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  SD93053  Eriogonum fasciculatum var. polifolium W. Bertsch 1954-5-1 530 Riverside Road from Banning to Idlewild 914 Comment
  UCR235221  Eriogonum gracile A. C. Sanders, John F. Green 2012-6-1 40238 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
  SEINET5329485  Eriogonum gracile J. L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and aboot 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp, Comment
  UCR117091  Eriogonum gracile var. gracile A. C. Sanders, T. B. Salvato 2001-5-16 24295 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
  UCR24943  Eriogonum gracile var. gracile A. C. Sanders 1980-7-18 1636 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA735613  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -b Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA709906  Eriogonum inflatum Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4611 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA784978  Eriogonum inflatum Duncan S. Bell 2012-3-18 3222 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR72196  Eriogonum inflatum Theo Glenn 1991-5-20 91- 102 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  RSA393696  Eriogonum molestum N. C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA627524  Eriogonum molestum Scott D. White, Julie Greene 1998-8-1 6977 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  UC56366  Eriogonum nudum var. pauciflorum J. Vandeventer 1903-1 14 Riverside San Jacinto Mts. Comment
  RSA424846  Eriogonum pusillum Christopher Davidson, B. Gustafson 1977-4-7 5594 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  CAS-BOT-BC263542  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 miles west of Shaver's Well Comment
  UC1018186  Eriogonum thomasii J. Warren 1952-4-6 118 Riverside Palm Springs 304 Comment
  RSA0009610  Eriogonum thomasii Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA0009731  Eriogonum thomasii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UC310875  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi e Aguanga Comment
  CAS-BOT-BC263587  Eriogonum trichopes Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center Comment
  UCR90322  Eriogonum trichopes 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
  RSA65992  Eriogonum umbellatum subsp. munzii F. W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp 1799 Comment
  UCSB24382  Eriogonum wrightii Wheeler, Louis 1933-12-1 Riverside Mouth of Tahquitz Canyon; San Jacinto Mts 152 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  CLARK-A1528-208  Eriophyllum confertiflorum C. M. Flanagan 1973-5-31 OO 637 Riverside Morongo Indian Reservation 914 Comment
  RSA651119  Eriophyllum confertiflorum Diane M. Ramirez 1983-5-15 28 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill 1253 Comment
  SEINET7073391  Eriophyllum confertiflorum A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  JOTR33939  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2828 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
  UCR268283  Eriophyllum confertiflorum var. confertiflorum Jim Andre 2012-6-15 30509 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR51837  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Peninsular Range, Temescal Canyon 274 Comment
  SEINET7007898  Eriophyllum multicaule W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  CAS-BOT-BC296972  Eriophyllum wallacei S. B. Parish 1916-5-13 10802 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA314668  Eriophyllum wallacei R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55493 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA729265  Eriophyllum wallacei R. F. Thorne 1973-3-30 42703 Riverside Mojave Desert: southeast end Johnson Valley, c. 20 mi north of Yucca Valley and 12 mi east-southeast of Old Woman Springs. 976 Comment
  RSA528105  Erodium botrys Steve Myers 1991-4-15 91 -4 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA495825  Erodium brachycarpum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2936 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA774513  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4466 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  CAS-BOT-BC376152  Erodium moschatum L. Nye; G. Gust 2005-3-11 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA0021554  Erodium texanum Duncan S. Bell 2012-3-4 3138 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA286798  Eryngium aristulatum var. parishii R. F. Thorne 1974-5-23 44662 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  RSA530311  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-19 3681 Riverside Tahquitz Peak. San Jacinto Mts. 2651 Comment
  UCD115010  Erysimum capitatum var. capitatum R. L. Smith 1948-3-25 s.n. Riverside 5 miles north of March Field. Comment
  UCSB2339  Erysimum capitatum var. capitatum Newby, Ron 1959-5-16 Riverside 1 mile W. of Tahquitz Meadows which is 8 miles N of Idyllwild in the San Jacinto Mountains 2590 Comment
  RSA0016060  Erythranthe breweri N. C. Cooper 1944-7-16 1567 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  SD120077  Erythranthe parishii Louis B. Ziegler 1969-6-12 381 Riverside San Jacinto Mountains - Hemet Valley. In streambed, near Pine Meadows region 1431 Comment
  JOTR35441  Eschscholzia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 47 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  UCR281222  Eschscholzia caespitosa Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 47 Riverside Perris-Aguanga Basin, Menifee, Bundy Canyon Rd., NE intersection with Sunset Ave. 534 Comment
  SDSU832  Eschscholzia californica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  RSA0022943  Eschscholzia californica J. D. Olmsted 1959-6-25 687 Riverside Strawberry Creek drainage area. Fern Valley, 4 mi SW of Hidden Lodge Camp near Idyllwild. 1707 Comment
  RSA495449  Eschscholzia californica subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2977 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  HSC83355  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 Riverside Mecca-Joshua Tree Rd., 7 mi. SW of junction with Hwy. 10 244 Comment
  LA46285  Eschscholzia minutiflora H. Lewis; 1949-3-26 610 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  RSA80987  Eschscholzia minutiflora G. R. Campbell 1952-4-5 18373 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 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
  CAS-BOT-BC419644  Eschscholzia parishii S. B. Parish 1907-4-1 6103 Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC419646  Eschscholzia parishii Richard Snow 1953-4-5 51 a Riverside Box Canyon Comment
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  JEPS51818  Eschscholzia parishii S. B. Parish 1920-3-25 20027 Riverside Palm Springs Colorado Desert Comment
  RSA445442  Eschscholzia parishii E. C. Jaeger 1922-3-27 708 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  RSA0022915  Eschscholzia parishii I. M. Johnston 1917-4-4 1003 Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR231047  Eucalyptus A. C. Sanders, T. B. Salvato 2012-1-3 39957 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
  SEINET10890746  Eucalyptus Nye Leith, Greg Gust 2005-3-11 Nye 56 Riverside Lake Elsinore. Ca. 2 miles SW of intersection of I-15 and Rt. 74. Hotel parking lot on Auto Center Dr. 399 Comment
  SD186255  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 Riverside Temescal Canyon, between Glen Ivy Hot Springs and Arcilla. 292 Comment
  OBI69838  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 33 Riverside Temescal Cyn Rd, Corona, side of rd Comment
  OBI38361  Eucalyptus rudis Alden Kelly 1986-3-17 s.n. Riverside Edgemont area of Moreno Vallye, from planting along W side of hwy 215 at Eucalyptus Ave, row runs ca 1 mi along 215 457 Comment
  RSA790935  Eucrypta chrysanthemifolia Doris Bowers 1972-4-15 1837 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  UCD119350  Eucrypta chrysanthemifolia B. Pitzer 1997-4-20 3193 Riverside Lakeview Mtns: Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  UCSB38662  Eucrypta chrysanthemifolia Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Santa Ana Mts. Cleveland Natl. For.; Whittaker transect #W-229 Comment
  UC702031  Eucrypta chrysanthemifolia var. chrysanthemifolia Frank W. Gould 1943-4-17 2114 Riverside 12 mi s Corona (on Elsinore road) Comment
  UCR25546  Eucrypta chrysanthemifolia var. chrysanthemifolia John C. Roos 1941-9-14 174 Riverside Plateau in Reche Canyon Comment
  HSC24947  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mtns. 1921 Comment
  CAS-BOT-BC344987  Euphorbia abramsiana Duncan S. Bell; John Anderson; Kim Clark; Debbie George; Jim George; A. F. Howland 2013-9-28 6019 Riverside Chuckwalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air mile SE of Hopkins Well 107 Comment
  UCR256342  Euphorbia eriantha Duncan S. Bell 2011-12-30 3026 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
  SDSU3706  Euphorbia polycarpa S. J. Barnhart 1966-4-24 660424 -2 Riverside 0.1 mi. east of McAllister St., along the Metropolitan water Co. utility road (dirt). Intersection of Utility Rd. and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR137038  Euphorbia polycarpa A. C. Sanders 2004-5-5 27777 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
  RSA278962  Euphorbia polycarpa var. hirtella B. A. Prigge, L. Martinez 1978-3-23 2407 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  UCR5295  Euphorbia prostrata O. F. Clarke 1966-10-2 661002- 11 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street [now the site of an apartment complex, 2001] 305 Comment
  UCR277705  Euphorbia serpens Mitch Provance 2012-11-3 1112- 04 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  RSA561782  Euphorbia spathulata Steve Boyd 1992-4-14 6846 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  POM48556  Eustoma exaltatum F. W. Peirson 1924-12-30 5419 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  UC56492  Eustoma exaltatum F. Gilman 1902-1 23 Riverside Palm Springs Comment
  UC1595750  Fagonia laevis W. Wisura, J. Dolan, M. Wall 1992-3-24 4642 Riverside on road to Corn Spring (5.6 mi s of I-10) Comment
  UC495310  Fagonia laevis Philip A. Munz 1932-3-14 11982 Riverside Deep Canyon; Coachella Valley 152 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
  JOTR31894  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  UC571105  Fagonia pachyacantha Margaret Stason 1927-3-12 Riverside Painted Canyon; Colorado Desert Comment
  UCD170913  Fatoua villosa A. C. Sanders; T. B. Salvato 2001-10-8 24878 Riverside Santa Ana River Valley Region, Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E Campus Dr., just north of the reservoir. 351 Comment
  UCR92504  Festuca myuros S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  UCR93096  Festuca octoflora George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  RSA759755  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  RSA517818  Filago depressa Steve Boyd, Orlando Mistretta 1986-3-13 1435 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA113900  Forestiera pubescens G. R. Campbell 1955-12-6 21504 Riverside S Tillett, Hwy 74, 17 miles SE of Mountain Center on road to Palm Springs. Riverside County. Comment
  SEINET4108735  Fouquieria splendens J. Redfern 2004-1 JT 5 Riverside Collected along Pinto Basin road north of Cottonwood Visitor Center in Joshua Tree National Park. 759 Comment
  UCD117406  Fouquieria splendens subsp. splendens William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  CLARK-A1528-3991  Fragaria vesca subsp. californica John C. Roos 1947-5-24 3638 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC211660  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore Comment
  SEINET1004423  Frankenia salina A. C. Sanders 2004-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region; Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi e of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun city 457 Comment
  RSA618388  Frasera parryi D. L. Banks 1997-5-5 1975 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  POM12925  Fremontodendron californicum Philip A. Munz 1922-6-24 5805 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  RSA594768  Funastrum cynanchoides var. hartwegii D. L. Banks, Dylan Hannon 1996-5-3 989 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  JOTR35003  Funastrum hirtellum La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3105 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  POM259726  Funastrum hirtellum E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA645641  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe., 33 42 1/2'N, 114 34 91 Comment
  RSA675985  Funastrum hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  RSA612596  Galium angustifolium subsp. angustifolium C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  RSA706289  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1280 -b Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  RSA0117106  Galium porrigens Mitch Provance 2011-6-3 611 -01 Riverside Badlands of Western Riverside County: Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy 60. 756 Comment
  UCR277921  Galium porrigens Mitch Provance 2011-6-3 611- 01 Riverside Badlands of Western Riverside County, Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy. 60. 756 Comment
  UCD121905  Galium porrigens var. porrigens A. C. Sanders; P. MacKay, T. Thomas and O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  LA208453  Galium stellatum var. eremicum Ira L. Wiggins; Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs canyon Comment
  UCR133357  Garrya flavescens Tracy Tennant, J. S. Ross 1998-5-7 MOR- 126 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UC1122720  Garrya veatchii A. Lewis 1933-2-2 150 Riverside Reed Valley; San Jacinto Quad. 1066 Comment
  RSA597515  Gayophytum diffusum subsp. parviflorum Louis C. Wheeler 1945-10-6 6132 Riverside San Jacinto Mountains. Snow Creek and north fork San Jacinto River. 2378 Comment
  CAS-BOT-BC303583  Geraea canescens Mrs. J. C. Augsburg 1926-1-26 s.n. Riverside Palm Springs Comment
  RSA0049913  Geraea canescens Jim Andre 2014-1-27 26676 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UC598733  Geraea canescens John Bright 1936-4-21 12552 Riverside n Palm Springs; Colorado Desert 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
  UCR178339  Gilia Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 653 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR178844  Gilia T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 136 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR261443  Gilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41431 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SEINET6969910  Gilia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Base of brush-covered Gavilan Hills west of Perris. Comment
  RSA688862  Gilia angelensis Scott D. White, Michael Honer 2003-5-13 9240 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SEINET7073399  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR120181  Gilia angelensis Mitch Provance 1998-3-5 186 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR120579  Gilia angelensis Steven R. Hill, K. Kramer 2001-4-27 33475 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  UCR135992  Gilia angelensis Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR207246  Gilia angelensis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  UCR261418  Gilia angelensis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41429 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR26505  Gilia angelensis A. C. Sanders, S. Hagopian 1981-5-20 2148 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA772127  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4829 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
  SJSU11612  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 5 mi E of E shore, Lake Elsinore Comment
  JEPS4115  Gilia diegensis W. L. Jepson 1939-4-19 19204 Riverside 3 mi s Aguanga; s <of> Aguanga Comment
  UCR62098  Gilia exilis G. R. Ballmer 1990-5-5 s.n. Riverside San Jacinto Mountains Foothills, northeat edge of San Jacinto Potrero land grant,, just east of small ridge extending south into valley 610 Comment
  UC908064  Gilia latifolia Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR71847  Gilia maculata George K. Helmkamp 1992-4-16 92- 4 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  UCR84610  Gilia ochroleuca Scott D. White, S. Ogg 1994-4-21 2004 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JEPS4120  Gilia ochroleuca subsp. exilis W. L. Jepson 1903-8-5 2261 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA0017279  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6086 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
  UC310474  Gilia ochroleuca subsp. exilis Philip A. Munz 1926-4-30 10376 Riverside river bottom near Temecula (sandy bottom); river bottom near Temecula Comment
  UCR92232  Gilia ochroleuca subsp. exilis D. L. Banks, Steve Boyd 1995-5-3 0256 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA480097  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2186 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JOTR34199  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR24009  Glyceria elata John C. Roos 1965-7-3 s.n. Riverside San Jacinto Mtns., Dark Canyon, north fork of the San Jacinto River Comment
  RSA614233  Gnaphalium canescens A. C. Sanders 1994-7-28 15192 Riverside [Riverside/San Bernardino County] Colton and Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) Bridge downstream almost to Market St. Crossing. 246 Comment
  POM48727  Gnaphalium chilense I. M. Johnston 1924-7-29 8834 Riverside 6 miles SE of Poppet Flats, San Jacinto Mountains. 1524 Comment
  UCR216242  Gnaphalium luteoalbum Oleg Pryadko 2008-5-2 054 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  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
  UCR281213  Gnaphalium palustre Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 52 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UC1929340  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  HSC84154  Gutierrezia sarothrae B. Pitzer, Jack Easton 1987-3-10 387 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi. E of town of Anza on N side of Hwy. 371 1341 Comment
  POM253549  Gutierrezia sarothrae Thos Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA544383  Gutierrezia sarothrae Steve Boyd, Tim Ross 1991-6-14 6398 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  SD260183  Gutierrezia sarothrae T. B. Salvato, Arlee Montalvo 2015-8-22 8232 Riverside San Jacinto Mountains: Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74. 1402 Comment
  UC1214011  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2758 Riverside on road bank 2 mi w of Temecula (w side of stream); Hwy 78 Comment
  CLARK-A1528-233  Haplopappus palmeri Oscar F. Clarke 1969-10-14 Riverside University of California Comment
  UCR67356  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4008 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  CAS-BOT-BC305361  Helianthus annuus H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  RSA651097  Helianthus annuus W. H. Grady 1948-2-24 s.n. Riverside Found 7 mi. west of Riverside. 243 Comment
  GMDRC6543  Helianthus gracilentus J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA396470  Helianthus gracilentus Walter Wisura 1987-5-21 4153 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  UC537152  Helianthus gracilentus M. E. Jones 1934-5-10 Riverside Elsinore Comment
  RSA707984  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR272481  Heliotropium curassavicum Mitch Provance 2013-6-18 613- 27 Riverside San Bernardino Valley, Riverside, Arlington area, S side of Challen Avenue, near intersection with Curran Dr. 238 Comment
  UCR808  Heliotropium curassavicum S. C. Anderson 1957-5-21 s.n. Riverside Riverside, Santa Ana River bottom, 0.5 mi. east of Humane Society, north of Jurupa Ave. [near Union Pacific RR bridge] 220 Comment
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Feb 18 2013
  SBBG87828  Heliotropium curassavicum var. oculatum A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6092 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  SEINET7067549  Hemizonia fasciculata A. G. Vestal 1947-6-13 s.n. Riverside About 2.5 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 473710mE, 3702441mN. Comment
  UCR239919  Hemizonia fasciculata O. F. Clarke 2004-5-2 s.n. Riverside Santa Ana River near Riverside 244 Comment
  RSA674600  Hemizonia mohavensis Scott D. White 2000-8-5 8100 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA716064  Hemizonia mohavensis Scott D. White, Justin M. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills: Gibbel Flat in the Santa Rosa Hills 610 Comment
  UCR200998  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 023 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  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
  RSA674594  Hemizonia paniculata Scott D. White 2000-5-5 7771 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR105990  Hemizonia paniculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, along Los Caballos Road, approx 0.4 m south of Hwy 79, 150 m north of Anza Road. Along the W side of the road in areas burned by the 1996 Temecula Fire 390 Comment
  UCR16863  Hemizonia paniculata H. C. Sharma 1976-4-20 760420- 04 Riverside UCR campus, about 40 ft north of northern parking lot of Bannockburn Comment
  UCR200999  Hemizonia paniculata Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 022 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  UCR277747  Hemizonia paniculata Mitch Provance 2012-7-15 712- 07 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  CLARK-A1528-240  Hemizonia pungens Ruth Cooper 1941-6-8 77 K Riverside Menifee Valley Comment
  POM47987  Hemizonia pungens subsp. laevis P. A. Munz 1924-6-21 8199 Riverside Temecula Canyon. Comment
  UCR189808  Hemizonia pungens subsp. laevis Theresa Johnson 2006-6-1 142 Riverside Peninsular Range, San Jacinto Wildlife Area. South of main entrance road to San Jacinto Wildlife Area. Located parallel to dirt road c. 500 m west of Davis Road along dry alkali flats 433 Comment
  UCR189809  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 070 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  UCR66975  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside N shoulder of Ramona Expressway, 440 m west of Lakeview & c. 587 m east of San Jacinto River 477 Comment
  UCR249831  Hesperocallis undulata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7306 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
  RSA585794  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  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
  RSA359882  Hesperocnide tenella Steve D. Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR174442  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 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
  SD247266  Hesperoyucca whipplei Tracy Tenant, Jeffrey Ross 1998-4-30 MOR 41 Riverside San Bernardino Mountains Foothills: Morongo Indian Reservation, upper Hathaway Canyon (Cabazon 7.5'Q) 883 Comment
  OBI10136  Heteromeles arbutifolia Tracey and Viola Call, Viola Call 1962-4-13 2129 Riverside Tin Mine Cyn near Corona 351 Comment
  CLARK-A1656-807  Heterotheca grandiflora Theo Glenn 1982-9-25 Riverside Snow Creek Comment
  UCR92177  Heterotheca grandiflora D. L. Banks, Steve Boyd 1995-10-17 0770 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  HSC104168  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato 2014-7-2 41156 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  UCR146498  Heterotheca sessiliflora subsp. echioides Scott D. White, Angelia Carey 2004-9-16 10755 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  JEPS48855  Hoffmannseggia glauca Marjorie D. Clary 1932-5-22 934 Riverside Hexie Mountains, Pleasant Valley Pleasant Valley; Hexie Mountains, Pleasant Valley Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  SEINET5554663  Hoffmannseggia microphylla R. H. Peebles, H. F. Loomis 1930-1 190 Riverside Near Shavers Well. Comment
  UCSB33254  Hoffmannseggia microphylla Miller, Brian 1963-6-1 Riverside Powerline Access Road, 1/2 mile SW of Biskra Palms 24 Comment
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Jun 1 2013
  RSA263653  Holodiscus discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 mi. west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1372 Comment
  RSA309523  Holodiscus discolor James R. Shevock 1978-4-26 5904 Riverside Northeast side of Pleasants Peak, Cleveland National Forest 1189 Comment
  SD186037  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside West of Hemet, west edgte of Warren road just north Highway 74. 456 Comment
  UCR92715  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18061 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA0063031  Hordeum marinum subsp. gussoneanum Andrew Haimov, April Sleigh 1992-5-10 85 Riverside San Jacinto Wildlife Area next to reclaimed water storage area, approximately 1 1/2 miles east of Davis Road. Comment
  CAS-BOT-BC148565  Horkelia clevelandii Edmund C. Jaeger 1922-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2407 Comment
  RSA433950  Horsfordia alata Marjorie D. Clary 1930-04 s.n. Riverside Canyon near Coachella 19 Comment
  RSA679102  Hulsea vestita subsp. callicarpha Mark Elvin, Victoria Jotikasthira, Ron Wehterford, Jason Wehterford 1996-5-10 173 Riverside San Bernardino National Forest Comment
  SEINET480190  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. Comment
  UCR95940  Hulsea vestita subsp. callicarpha Scott D. White 1996-8-1 4436 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCD133292  Hulsea vestita subsp. vestita D. H. Wilken 1969-7-29 8202 Riverside Pumice Flats between Agnew and Reds Meadows, near Devils Postpile National Monument, Sierra Nevada. 2286 Comment
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Mar 2 2014
  JEPS17477  Hydrocotyle umbellata W. L. Jepson 1901-6-1 1583 a Riverside Riverside Comment
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Feb 2 2013
  RSA663893  Hymenoclea salsola C. R. Annable 1995-3-10 2263 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  RSA0054852  Hymenoclea salsola W. Marquart 1938-3-12 s.n. Riverside Twenty mi. West of Blythe. Comment
  UC64189  Hypericum formosum var. scouleri H. M. Hall 689 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1615 Comment
  UC1931097  Hypericum scouleri Scott D. White, Justin Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd. ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  RSA519240  Hypochaeris glabra Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  SBBG101688  Hypochaeris glabra S. Boyd 1991-5-30 6323 Riverside SE end of Double Butte, just N of Winchester, 0.5 mi W of St Hwy 79 457 Comment
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Mar 21 2013
  CAS-BOT-BC219740  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Sandy floor of Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC219748  Hyptis emoryi W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Wash Comment
  RSA600126  Hyptis emoryi Louis C. Wheeler 1959-12-27 7642 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SEINET12277044  Hyptis emoryi L. S. Rose 1936-1 36791 Riverside Palm Canyon Wash 152 Comment
  SEINET13948478 Image available Hyptis emoryi Carl B. Wolf 1932-1 2984 Riverside Colorado Desert. 8 mi E of Mecca on Blythe Road. Ca 300 ft alt 91 Comment
  UCD126506  Ipomoea triloba Keith Hoffmaster 1960-11-7 s.n. Riverside near Indio. Comment
  CAS-BOT-BC311533  Isocoma acradenia var. acradenia A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell 550 Comment
  POM361285  Isocoma acradenia var. eremophila Allen 1921-10 s.n. Riverside Palm Springs. Comment
  RSA683230  Isocoma menziesii Scott D. White 2003-12-1 9893 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR114203  Isocoma menziesii var. vernonioides A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23642 Riverside Perris-Aguanga Basin Region, French Valley, dry hills at N end of French V. Airport and just south of Auld Rd., along gasline right of way 409 Comment
  CAS-BOT-BC69866  Isoetes orcuttii Robert F. Thorne; E. Lathrop 1969-5-12 37943 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 624 Comment
  JEPS108704  Isomeris arborea C. Spurrier, M. J. Way 2001-6-6 3 Riverside Big Morongo Canyon Preserve, 2.3 km n of water company entrance on Kickapoo Trail 515 Comment
  SEINET12007320  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8003 Riverside near Palm Springs Comment
  UCR109646  Juncus balticus T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  POM1552  Juncus bufonius Phillip A. Munz 1918-4-27 2140 Riverside Between Temescal [Creek/ Valley] and Murietta Comment
  UCR19750  Juncus bufonius E. W. Lathrop 1966-5-11 6281 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi SW of Murrieta on the De Luz Road, first canyon to the right of the road 396 Comment
  JOTR35497  Juncus bufonius var. bufonius La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3185 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  RSA520939  Juncus effusus subsp. austrocalifornicus Steve Boyd, David E. Bramlet 1988-10-8 2862 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  RSA192263  Juncus mexicanus E. W. Lathrop 1960-6-10 5004 Riverside 8 miles west of Murrieta. Comment
  SBBG89290  Juncus textilis J. Adams 1966-4-25 738 B Riverside rd from Murrieta to De Luz; Santa Rosa Plateau 762 Comment
  CLARK-A1528-2669  Juniperus californica John C. Roos 1952-4-16 5541 Riverside Box Springs 457 Comment
  CAS-BOT-BC234564  Justicia californica N. Aitkenhead 1977-2-2 2105 Riverside ~1 mi from J T Mon Rd. & pipeline junction Comment
  CAS-BOT-BC234596  Justicia californica John C. Angsbury 1930-2-1 s.n. Riverside Indio Comment
  LA202791  Justicia californica A. M. Johnson; 1933-4-28 4235 Riverside Pines to Palm highway below Palm Springs Comment
  SFV8413  Justicia californica G. L. Webster, W. R. Hildreth 1966-12-10 7461 Riverside Mojave Desert Joshua Tree National Monument, upper part of Cottonwood Canyon, gravelly desert wash. 793 Comment
  UCR216681  Justicia californica Jim Andre, T. La Doux 2009-3-10 11245 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCSB16170  Justicia californica Barrick, Linda 1963-5-5 Riverside East side of California Highway 74, 3 miles south of Palm Desert 91 Comment
  CAS-BOT-BC235499  Keckiella antirrhinoides C. W. Tilforth 1969-7-24 215 Riverside Along Red Mountain Road, east of County Hiway R-3, south of Hemet Comment
  RSA528028  Keckiella antirrhinoides R. Montijo 1991-4-18 91 -4 Riverside South of Lake Mathews, Ona Knoll Road ca. 1 mi. S of Cajalco Rd. 640 Comment
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Nov 20 2010
  UCD123747  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley. south of Newport Rd., north of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR174045  Keckiella antirrhinoides A. C. Sanders 2006-5-19 32448 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
  UCR241571  Keckiella antirrhinoides A. C. Sanders 2013-4-16 40803 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  UCR91720  Keckiella antirrhinoides A. C. Sanders, J. Goetzen 1996-5-1 18123 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA650920  Keckiella antirrhinoides subsp. antirrhinoides Mike Maculsay 1981-5-16 37 Riverside Ca Hwy 74, 8.1 miles west of junction of Hwys 74 and 71, 3.6 miles west of Elsinore City Limit. 610 Comment
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Jul 22 2010
  LA209283  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; 1939-4-8 21 Riverside Santa Ana Mts Comment
  LA209287  Keckiella antirrhinoides var. antirrhinoides Anna Lang; 1971-4-19 sn Riverside San Timoteo Badlands; slope near roadcut along Redlands Blvd 640 Comment
  UCR91419  Keckiella antirrhinoides var. antirrhinoides Scott D. White 1995-4-5 2722 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JOTR30643  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Erin Babich 2008-4-21 1805 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  NY786768  Keckiella antirrhinoides var. microphylla A. M. Alexander 1941-5-23 2215 -a Riverside Mouth of canyon, north base of Eagle Mountains 1158.2 Comment
  RSA16372  Keckiella cordifolia Percy C. Everett 1935-6-17 7159 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA797607  Keckiella rothrockii subsp. jacintensis Robert F. Thorne, Walter Wisura 1977-9-17 50766 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  LA205729  Krameria bicolor A. M. Johnson; 1933-4-28 4226 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  SD2346  Krameria bicolor unknown Riverside Palm Springs Comment
  JOTR31094  Krameria erecta La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2355 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  JOTR31218  Krameria erecta La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2002 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  UC667257  Krameria erecta Annie M. Alexander and Louise Kellogg 1941-5-15 2175 Riverside n base Eagle Mountains; Colorado Desert, n base of Eagle Mountains 883 Comment
  UCSB3519  Krameria erecta Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway Comment
  UCR138562  Krameria grayi Steve Boyd, Orlando Mistretta 1986-3-13 1477 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  RSA662137  Larrea tridentata Carol Zuck 1981-2-15 14 Riverside Junction of Country Club Dr. and Palm Desert Green Dr. Palm Desert. Comment
  RSA707347  Larrea tridentata Jonathan Snapp-Cook, Kurt Roblek, Kevin Clark, Reas Chavez 2005-6-30 CFW- 11 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune (WGS84/NAD83) 91 Comment
  SBBG97170  Larrea tridentata W. L. Halvorson 1977-3-8 77 -73 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET2065363 Image available Larrea tridentata C. Francis Shutts 1949-3-28 119 Riverside Palms to Pine Hwy, Cal 74, 14 miles SE of Palm Springs, Salton Sea drainage 152 Comment
  POM361603  Lasthenia coronaria P. J. Remple 1942-3-2 s.n. Riverside San Gorgonio Pass S of Cabazon Comment
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  UCR98855  Lasthenia coronaria A. C. Sanders, G. Helmkamp 1997-3-15 19988 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA731979  Lasthenia glabrata subsp. coulteri A. C. Sanders 2008-4-15 34887 Riverside Peninsular Range: NE edge of city of Elsinore, off Nichols Rds. along Baker St. near Durant Siding. 383 Comment
  SD155504  Lasthenia glabrata subsp. coulteri Craig Reiser 2001-4-27 Riverside E side of Mystic Lake and ca. 100 yards W of Gilman Hot Springs Road, N of San Jacinto. Comment
  RSA543606  Lasthenia gracilis Steve Boyd 1991-5-7 6168 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SDSU2770  Lasthenia gracilis S. J. Barnhart 1966-4-17 660417 -3 Riverside 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Utility Rd (dirt). Intersection of Utility Rd., and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR162415  Lasthenia gracilis S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  SD236281  Lathyrus odoratus John F. Green 2006-5-3 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road. 402 Comment
  UCR172278  Lathyrus odoratus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  RSA33836  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-5-20 1247 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA510024  Lathyrus vestitus subsp. laetiflorus B. Pitzer, E. Misquez 1988-2-28 616 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA0014946  Lathyrus vestitus var. vestitus LeRoy Gross, Evan Meyer 2013-5-21 6113 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, near [coordinates given.] 1631 Comment
  RSA771678  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  RSA614302  Layia platyglossa D. L. Banks, Victor Steinmann 1997-3-13 1506 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UC1540425  Layia platyglossa Charles B. Fiker 1946-4-8 3365 Riverside at Temecula Comment
  UC63240  Layia platyglossa H. M. Hall May 17 1901-Jun 1 1901 1835 Riverside e base San Jacinto Mt.; e base San Jacinto Mt. 914 Comment
  UCR126984  Layia platyglossa A. C. Sanders, T. B. Salvato 2003-5-9 26585 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA660657  Layia platyglossa subsp. campestris C. A. Schideler 1981-4-11 21 Riverside E on Cajalco Rd., mil. 520916. Comment
  RSA741419  Lemna gibba Justin M. Wood 2008-12-2 256 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR76169  Lepidium densiflorum A. C. Sanders 1993-4-1 13668 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR151368  Lepidium dictyotum Steve Boyd 2001-4-12 10410 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  UCR79366  Lepidium dictyotum var. dictyotum Steve Boyd, T. S. Ross 1992-4-1 6773 Riverside Peninsular Range, Temecal Canyon, terrace escarpments betwee Indian and Horsethief Washes along DePalma Road. 412 Comment
  JEPS53618  Lepidium fremontii John Thomas Howell 1928-1-30 3305 Riverside 2 mi e Shaver's Well; Colorado Desert Comment
  RSA796502  Lepidium fremontii J. Andre 2012-3-19 21394 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  JOTR34263  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2987 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR244418  Lepidium fremontii var. fremontii Jim Andre 2012-4-16 20913 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  CAS-BOT-BC89587  Lepidium lasiocarpum E. A. McGregor 1917-3-19 798 Riverside Colorado Desert. Indio Sands near U.S. Date garden. Comment
  RSA776333  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2010-4-10 822 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR25952  Lepidium lasiocarpum John C. Roos 1947-2-15 3237 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UCR111607  Lepidium latifolium Mitch Provance 1999-5-4 1686 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR228250  Lepidium latipes A. C. Sanders, T. B. Salvato 2011-4-1 38935 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR251698  Lepidium nitidum T. B. Salvato 2014-4-9 7841 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR242674  Lepidium virginicum subsp. menziesii A. C. Sanders 2013-7-6 40839 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  POM48496  Lepidium virginicum var. pubescens Mary F. Spencer 1919-6-18 1327 Riverside San Jacinto Mtns. Comment
  CAS-BOT-BC329440  Lepidospartum squamatum Lewis S. Rose 1935-12-21 35678 Riverside Colorado Desert. Whitewater Wash, 3 mi SE of Palm Springs Station 304 Comment
  CAS-BOT-BC329448  Lepidospartum squamatum W. R. Dudley 1903-12-28 s.n. Riverside Desert Palm Springs Station Comment
  UCD134030  Lepidospartum squamatum Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range. Wilson Valley Mitigation Bank (Center for Natural Lands Management), East of Sage Road and South of Wilson Valley Road. 675 Comment
  UCR116305  Lepidospartum squamatum B. G. Pitzer 1998-2-1 3450 .2 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR123821  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCD64017  Leptochloa fusca subsp. uninervia Edward G. Wegenek 1970-8-24 - 955 Riverside s.e. Riverside County: Blythe area. Comment
  UCR23126  Leptodactylon jaegeri J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mtns., on limestone rocky outcrop beyond Caramba camp, off the old trail 2439 Comment
  RSA586117  Leptosiphon floribundus subsp. glaber D. L. Banks, S. D. Boyd 1995-4-5 0157 Riverside Cleveland National Forest, Agua Tibia Wildeness Area. N slope of Agua Tibia Mtn., E of the Dripping Sprngs Alcove, E of the Dripping Springs Trial, in the N flowing drainage that empties into Arroyo Seco 549 Comment
  RSA282787  Leptosiphon lemmonii C. W. Tilforth, B. Busenberg 1980-10-6 1989 Riverside Small moist wash 3.8 miles in from Highway 74 along Thomas Mtn. Road, south of Hemet. Comment
  RSA359853  Leptosiphon lemmonii Steve Boyd 1986-4-2 1633 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR35055  Lewisia rediviva var. minor L. B. Ziegler 1967-6-1 151 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1375 Comment
  UCD87572  Leymus triticoides H. M. Hall 1904-5-19 4959 Riverside Fairmount Park. 243 Comment
  CAS-BOT-BC451636  Lilaea scilloides Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  RSA234048  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39316 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  RSA592024  Lilaea scilloides E. W. Lathrop 1968-5-15 6881 Riverside 8 miles W of Murrieta; Reedonda Mesa, Santa Rosa Plateau 610 Comment
  UCR224311  Limonium sinuatum Justin M. Wood, Jamie Miner 2010-5-12 1680 Riverside Santa Ana Canyon, Santa Ana River, c. 0.75 mi downstream of Prado Dam, just northeast of Green River housing estate 137 Comment
  JEPS58191  Linanthus aureus W. L. Jepson 1914-5-17 5983 Riverside Pleasant Valley, Lookout Mt. Colorado Desert, Conchilla Range 914 Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  OBI33512  Linanthus californicus Sheila Riddell 1973-5-17 730517 -19 Riverside On the roadside of Highway 74, 4.1 miles past El Cariso Fire Station 671 Comment
  JEPS58360  Linanthus dianthiflorus W. L. Jepson 1901-5-17 1238 a Riverside near San Jacinto Lake Comment
  SBBG93107  Linanthus dianthiflorus D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd; T7S, R1E, S32 701 Comment
  SEINET6692571 Image available Linanthus dianthiflorus Bonnie C. Templeton 1930-4-9 1010 Riverside Near Banning., Colorado Desert 400 Comment
  UC665884  Linanthus dianthiflorus Ira L. Wiggins 1941-3-27 9692 Riverside 4 mi n Whitewater Comment
  SEINET14181904  Linanthus dianthiflorus H. M. Hall April 1903 3793 Riverside Sonoran Zone, vicinity of Riverside. 366 Comment
  POM364579  Linanthus dianthiflorus subsp. dianthiflorus E. Crow 1929-4-7 H.- 8284 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  POM13011  Linanthus dianthiflorus subsp. farinosus P. A. Munz, I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  RSA778832  Linanthus jonesii J. Andre 2011-2-9 15904 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
  UC908001  Linanthus jonesii Herbert L. Mason 1928-3-10 4202 Riverside Hidden Springs Canyon Coachella Mountains Comment
  RSA741064  Linanthus liniflorus Scott D. White, Justin M. Wood 2008-6-5 12071 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  SEINET7073454  Linanthus parviflorus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  CLARK-A1528-3486  Linanthus pygmaeus John C. Roos 1950-4-22 4757 Riverside Reche Canyon 822 Comment
  UCR25362  Linanthus pygmaeus John C. Roos 1952-5-7 5619 Riverside Box Springs Mountains north of Canyon Crest Heights. 488 Comment
  UCR35222  Linaria maroccana L. B. Ziegler 1975-4-1 539 Riverside San Jacinto Valley 473 Comment
  CAS-BOT-BC111980  Lipocarpha occidentalis Frederick Morris Reed 1908-7-12 2443 Riverside Margin of Lake Surprise, San Jacinto Mtns. 2743 Comment
  UCR49999  Lippia nodiflora Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  RSA468204  Lithophragma Gale Sphon 1955-5-21 s.n. Riverside 2 miles west of Mountain Center. Comment
  UCR23128  Lithophragma affine J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR280818  Lithophragma affine Mitch Provance 2017-5-4 517- 51 Riverside San Jacinto Mountains, Idyllwild, near corner of Canyon Dr. and Marian View Dr. 1585 Comment
  RSA632878  Lithophragma affine subsp. affine R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38141 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM10221  Lobelia cardinalis subsp. graminea Anonymous 1903-8-23 436 Riverside Spring Brook west of Elliotta. [City of Riverside] Comment
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Jan 5 2015
  SDSU1194  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. T8S, R3W, NE 1/4 of SE 1/4 of Section 27. 305 Comment
  UCR155941  Loeflingia squarrosa T. B. Salvato, Kent Beaman 2005-5-16 799 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
  UCR241932  Loeflingia squarrosa A. C. Sanders, Timothy W. Chumley 2013-3-28 40693 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UC1043024  Loeflingia squarrosa var. squarrosa John C. Roos 1952-5-14 5664 Riverside along roadside 2 mi nw Perris 487 Comment
  RSA0050256  Loeseliastrum schottii J. M. Andre 2013-3-27 24835 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  SD237337  Logfia arizonica Dave Silverman, Onkar Singh 2010-3-25 7843 Riverside UTM in Supplement. NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10. 150 Comment
  JOTR30926  Logfia depressa La Doux, Tasha, Bill Truesdell 2008-4-29 2601 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Rocky side canyon above Johnny Lang Canyon (Stop 10) 1235 Comment
  CAS-BOT-BC342261  Logfia filaginoides Ira L. Wiggins 1941-3-27 9702 A Riverside Slopes 4 miles north of Whitewater Comment
  RSA747282  Logfia filaginoides Orlando Mistretta 1992-6-10 529 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  RSA221026  Lomatium lucidum E. W. Lathrop 1966-3-23 6089 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  JOTR16546  Lomatium mohavense Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS Comment
  UCSB18674  Lomatium mohavense Winn, Will 1963-5-5 Riverside Pinyon Flats Campground 1219 Comment
  RSA563886  Lomatium vaginatum Scott D. White 1993-4-20 1218 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  POM128323  Lonicera subspicata var. denudata H. M. Hall 1897-08 s.n. Riverside San Jacinto Mountains. Comment
  RSA615327  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  SBBG69588  Lonicera subspicata var. denudata V. Duran 1933-7-3 3496 Riverside Vandeventer Flat 1524 Comment
  RSA314669  Lotus argophyllus var. argophyllus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55495 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA406124  Lotus argophyllus var. argophyllus N. R. Zabriskie, Walter M. Zabriskie 1973-4-6 628 Riverside South side of stream, Andreas Canyon, E slope San Jacinto Mountains 366 Comment
  UC15625  Lotus grandiflorus H. M. Hall 1898-6-24 937 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1219 Comment
  UC864786  Lotus heermannii C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat and Fuller's Mill; Mt. San Jacinto Comment
  POM12874  Lotus nevadensis var. nevadensis P. A. Munz 1922-7-6 6017 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA406201  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-19 3670 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  SEINET3208896  Lotus nevadensis var. nevadensis G. Goodwin 2012-6-14 3451 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  SEINET3694429 Image available Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6721 Riverside Hemet lake 1300 Comment
  HSC25800  Lotus rigidus Richard Spjut 1972-3-13 2257 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  JEPS29485  Lotus rigidus Lauramay T. Dempster 1962-4-18 1897 Riverside Palms-to-Pines Highway Pinyon Flats 1066 Comment
  UCR1421  Lotus rigidus Frank C. Vasek 1960-3-24 600324- 30 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  UC56575  Lotus salsuginosus var. brevivexillus H. M. Hall 1902-4-12 2848 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  UCR174263  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32672 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
  RSA586121  Lotus scoparius var. brevialatus D. L. Banks, S. D. Boyd 1995-4-5 0161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
  RSA673505  Lotus strigosus Scott D. White, Bill La Haye 2000-5-27 7965 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA799918  Lotus strigosus Justin M. Wood, D. M. Ray 2011-4-28 3851 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
  UC1563070  Lotus strigosus Steve Boyd and Orlando Mistretta 1986-3-13 1434 Riverside ne of Desert Center (jct of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges); Palen Mountains 243 Comment
  UCR116984  Lotus strigosus A. C. Sanders, T. B. Salvato 2001-5-3 24079 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  PASA1115  Lotus subpinnatus Frank W. Peirson 1930-5-10 Riverside Hemet Plateau near March Field 457 Comment
  RSA278982  Lotus tomentellus B. A. Prigge 1978-3-23 2432 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA406377  Lotus tomentellus M. B. Dunkle 1933-5-6 3447 Riverside Painted Canyon. Comment
  RSA496656  Lotus tomentellus B. Pitzer 1988-3-10 643 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA553936  Lotus unifoliolatus R. Montijo 1991-7-10 91 -21 Riverside Santa Rosa Plateau, Avenida Escalera, N of Tenaja Road and ca. 1 mile NE of Squaw Mountain. 610 Comment
  RSA356739  Lupinus agardhianus R. F. Thorne 1973-5-23 45531 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  POM295542  Lupinus arizonicus Lyman Benson 1949-3-28 13571 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  POM349951  Lupinus arizonicus N. C. Cooper 1949-3-15 3173 Riverside 5 miles south of Palm Springs. 122 Comment
  RSA0049854  Lupinus arizonicus Jim Andre 2014-1-27 26668 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA414834  Lupinus arizonicus H. de Forest 1937-3-15 s.n. Riverside West of Desert center Comment
  RSA654057  Lupinus arizonicus R. Spellenberg, N. Zucker 2000-3-28 13048 Riverside E side of Thermal, ca. 1 km E of Calif. Hwy. 111, ca. 5 air km NW of Mecca 30 Comment
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Feb 3 2011
  UC194822  Lupinus arizonicus S. B. Parish May 13, 1916-May 18, 1916 10851 Riverside Cottonwood Springs; Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  UCR103664  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2555 Riverside Coachella Valley, alongside Hwy 195 south of Mecca and at the S edge of the Torres Martinez Indian Reservation -30 Comment
  OBI22889  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2 mi W of Corona Comment
  RSA0013030  Lupinus bicolor LeRoy Gross, Caitlin Elam 2013-5-14 6049 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
  RSA0031713  Lupinus bicolor Tamara Joy Hanna 1991-5-4 4 Riverside Area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  RSA507470  Lupinus bicolor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  RSA180235  Lupinus bicolor subsp. tridentatus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  UCR214717  Lupinus concinnus A. C. Sanders 2010-3-23 37537 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA180474  Lupinus concinnus var. concinnus E. W. Lathrop 1960-4-15 4750 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 609 Comment
  LA205082  Lupinus excubitus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC216680  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, SW of Beaumont, Bad lands 670 Comment
  CAS-BOT-BC216688  Lupinus excubitus subsp. hallii Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA91207  Lupinus excubitus var. hallii F. W. Peirson 1922-4-28 2947 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  RSA34555  Lupinus formosus N. C. Cooper 1944-7-17 1420 Riverside San Jacinto Mtns, above Banning. 1220 Comment
  UCR155321  Lupinus hirsutissimus A. C. Sanders, Mike Misenhelter 2005-3-23 29249 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR3349  Lupinus hirsutissimus T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5.5 mi south on Old Banning-Idyllwild Rd. 988 Comment
  JEPS65215  Lupinus hyacinthinus W. L. Jepson 2315 Riverside slope of San Jacinto Peak 3169 Comment
  RSA653253  Lupinus latifolius subsp. parishii Mitch Provance 2000-5-5 2011 Riverside Riverside: Box Springs Mtns., canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi SW of the old landfill off Pigeon Pass Rd. 427 Comment
  RSA413762  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR60538  Lupinus microcarpus C. W. Tilforth, W. Wisura 1979-5-23 1806 Riverside Santa Ana Mtns., Santa Rosa Plateau, Murrieta to De Luz road, c. 2 air mi. south of Murrieta 335 Comment
  RSA495448  Lupinus sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2976 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 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
  RSA775342  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5018 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  RSA607352  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1938-5-1 1612 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  CLARK-A1045-82  Lupinus succulentus George K. Helmkamp 1978-4-27 Riverside Valle Vista Mountain Avenue and Florida road; roadside; Hemet 7.5'Q Comment
  SD237444  Lupinus succulentus A. C. Sanders, T. B. Salvato 2011-4-1 38948 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 mk NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash (Lake Elsinore 7.5'Q) 402 Comment
  UCR225722  Lupinus succulentus A. C. Sanders 2011-3-30 38905 Riverside Peninsular Range, city of Lake Elsinore, along Hwy 74 just west of El Toro Cutoff 438 Comment
  POM320523  Lupinus truncatus Worthman 1968-5-16 182 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  RSA524455  Lupinus truncatus Steve D. Boyd 1990-4-3 4091 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA586734  Lupinus truncatus D. L. Banks, S. D. Boyd 1995-5-17 0457 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
  UCR16262  Lupinus truncatus Kenneth Hibberd 1966-3-26 660326- 5 Riverside One half mi. south of Van Buren and 2 mi. east of Mockingbird Road, Riverside. 366 Comment
  GMDRC3546  Lycium andersonii J. Andre, T. La Doux 2009-2-25 10803 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  POM183693  Lycium andersonii Philip A. Munz 1931-3-13 11969 Riverside 5 mi. S. W. of Blythe. Comment
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Dec 3 2011
  RSA0046718  Lycium andersonii Jim Andre 2014-1-27 26654 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA422108  Lycium andersonii M. B. Dunkle 1937-3-25 4926 Riverside Colorado Desert. Shaver's Well Comment
  UC1563047  Lycium andersonii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3225 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of Vail Lake, ne end of peninsula); Vail Lake Area Comment
  SEINET10546455  Lycium brevipes Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 29 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  CAS-BOT-BC231477  Lycium brevipes var. brevipes Marcus E. Jones 1906-4-27 s.n. Riverside Indio 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
  CAS-BOT-BC231642  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canyon, Colorado Desert Comment
  SD241094  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range: Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Road (Romoland 7.5'Q) 427 Comment
  UCR199760  Lythrum californicum Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10687 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR110390  Lythrum hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23084 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UCR222294  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55215 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA559340  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-15 7402 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UCR261697  Malacothamnus densiflorus Dick Newell, Judy Booth 2015-5-17 404 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Rd., 0.53 mi. NW of Elsinore Peak 968 Comment
  UCR58303  Malacothamnus fasciculatus George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  SBBG101737  Malacothrix clevelandii S. Boyd with D. Bramlet 1991-5-13 6246 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 Comment
  UCR23235  Malacothrix clevelandii J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  CAS-BOT-BC347684  Malacothrix glabrata P. A. Munz; R. D. Harwood No date on label 3384 Riverside Temescal Canyon 365 Comment
  RSA176343  Malacothrix glabrata R. F. Thorne 1963-3-29 32400 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SEINET3082467 Image available Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 airline miles S of Hwy I-10. 487 Comment
  UCR20755  Malacothrix glabrata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1310 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CAS-BOT-BC475160  Malosma laurina A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-19 41729 Riverside Temesal Canyon, hilltop above DePalma Rd., about midway between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  UCD116864  Malosma laurina R. Tofsrud 1951-4-25 s.n. Riverside Corona to Elsinore. Comment
  UCR110371  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA441205  Marah macrocarpa Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning Comment
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Oct 23 2011
  RSA612607  Marah macrocarpa var. macrocarpa D. L. Banks, Victor Steinmann 1997-3-13 1492 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
  SBBG104638  Marina parryi T. Glenn 1991-4-30 91 -58 Riverside McCoy Mtns NW of Blythe 170 Comment
  SD224970  Marina parryi G. K. Helmkamp 1998-4-4 3154 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  UCR211471  Marina parryi Tasha La Doux, Jim Andre 2008-9-13 266 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, upper Wilson Canyon on east side of paved highway 991 Comment
  UC1537025  Medicago polymorpha Gordon H. True Jr. 1935-3-18 120 Riverside valley e Citrus Expt. Station; Box Springs Comment
  UCR112800  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA342044  Melica frutescens R. F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54084 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR78461  Melica frutescens Scott D. White 1993-4-22 1241 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCSB45566  Melica frutescens Roos, John 1948-5-1 Riverside Whitewater 518 Comment
  CLARK-A1528-74  Melica imperfecta C. M. Flanagan 1973-4-14 OO 107 Riverside Sunnymead 609 Comment
  SEINET244298 Image available Melica imperfecta A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-9 24212 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
  UCR225505  Melica imperfecta A. C. Sanders, T. B. Salvato 2011-3-29 38839 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  CSUSB1308  Melilotus indicus Bob Sullivan 1966-3-26 Riverside UCR campus in Riverside, behind the life science building. 228 Comment
  CSUSB1309  Melilotus indicus Dean Jones 1966-4-19 Riverside on a lawn above Lot #4, UC Riverside campus. 365 Comment
  RSA0035195  Melilotus indicus Lydia Paneri 1982-4-17 30 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR194226  Mentha suaveolens Scott D. White, Angelia Carey 2004-6-4 10475 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CAS-BOT-BC223709  Mentzelia E. A. McGregor 1917-3-19 2053 Riverside Colorado Desert. Indio Comment
  JEPS41159  Mentzelia affinis W. L. Jepson May 17 1901-Jun 1 1901 1234 Riverside Riverside, Santa Rosa Peak and Palomar Comment
  RSA701220  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11276 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SBBG4862  Mentzelia involucrata H. and M. Dearing 1937-4-10 1099 Riverside NE of Indio Comment
  VVC305  Mentzelia involucrata W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  POM14021  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4908 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM14258  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4914 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM98705  Mentzelia involucrata var. megalantha P. A. Munz 1926-1-31 9951 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA550272  Mentzelia involucrata var. megalantha Walter Wisura, John Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  CLARK-A1528-2013  Microseris douglasii John C. Roos 1950-3-18 4711 Riverside 457 Comment
  UCR121815  Microseris douglasii subsp. douglasii A. C. Sanders, Carolyn Washburn 2001-4-17 24046 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR99158  Microseris douglasii subsp. platycarpha A. C. Sanders, G. Helmkamp 1997-3-15 19995 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA648663  Microseris heterocarpa R. E. Riefner 1998-3-22 98 -184 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  POM363441  Microseris lindleyi Christopher Davidson 1973-4-1 1792 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  UCR103258  Microseris lindleyi B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3569 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR120954A  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 A Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR174102  Microseris lindleyi A. C. Sanders 2006-5-19 32447 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
  UCR180587  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SEINET7016942  Microseris lindleyi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West of Perris, brush-covered Cavilan Hills. Comment
  JOTR32329  Mimulus aurantiacus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2451 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UC729965  Mimulus aurantiacus var. pubescens Carl B. Wolf 1932-5-24 3657 Riverside 1 mi above Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 792 Comment
  UCSB16147  Mimulus aurantiacus var. pubescens Keefe, Joseph 1963-3-15 Riverside on north slope above State Highway 74; 1.2 miles west of junction with Grand Avenue; Elsinore 533 Comment
  RSA776644  Mimulus bigelovii var. bigelovii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1101 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  SFV15669  Mimulus bigelovii var. bigelovii D. M. Thompson 1988-3-4 824 Riverside Vicinity of Shaver's Well. 7.3 miles from I-10 interchange along Bax Canyon Road to Mecca. North side of road in broad washes. About 100 yards above the road. 280 Comment
  CLARK-A1528-4236  Mimulus brevipes Carol Ann Simon 1969-5-20 45 Riverside Riverside 274 Comment
  RSA618389  Mimulus brevipes D. L. Banks 1997-5-5 1974 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR241242  Mimulus brevipes Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 518 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR90411  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-6-2 559 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  UC1563128  Mimulus guttatus Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3575 Riverside along Arroyo Seco drainage from jct with Kolb Creek (s to w/in 1/4 mi of Hwy 79); Vail Lake Area 457 Comment
  UCR1001  Mimulus guttatus B. L. Estes 1961-3-29 s.n. Riverside Riverside, UCR campus: 150 yds east of Webber Hall Comment
  UCR42547  Mimulus guttatus B. G. Pitzer 1986-4-26 191 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  CSUSB914  Mimulus longiflorus S. L. Lackey 1973-5-15 Riverside Box Springs Mountains Box Springs Mountains, near lookout station; slopes. 914 Comment
  JOTR29224  Mirabilis albida La Doux, Tasha, Mike Bell 2005-9-15 1337 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  RSA503407  Mirabilis laevis J. D. Olmsted 1962-5-10 3610 Riverside L. Matthews Road ca. 1/2 mi. W of dam. 427 Comment
  UCR156366  Mirabilis laevis T. B. Salvato, Kent Beaman 2005-5-16 884 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
  RSA69464  Mirabilis laevis var. crassifolia F. W. Peirson 1921-3-19 69464 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  SJSU1864  Mirabilis laevis var. crassifolia J. W. Tilden 1957-4-18 1096 Riverside near Whitewater E of San Gorgonio Pass Comment
  RSA92024  Mirabilis laevis var. crassifolia R. M. Straw 1954-3-14 519 Riverside Jackrabbit trail, Badlands, 1/2 mile E of Hwy 79. Comment
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Feb 4 2009
  RSA450539  Mirabilis laevis var. retrorsa Barry A. Prigge 1988-2-21 7856 Riverside Colorado desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  UC1136583  Mirabilis laevis var. retrorsa H. S. Yates 1937-3-24 6450 Riverside 457 Comment
  UCR245899  Mirabilis laevis var. retrorsa R. F. Thorne 1995-3-29 63007 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA676276  Mirabilis laevis var. villosa Scott D. White 2001-4-3 8227 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  POM4044  Monardella lanceolata var. lanceolata H. M. Hall 1901-07 2527 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA0103093  Monardella linoides subsp. linoides Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8547 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA450083  Monardella macrantha subsp. hallii J. C. Roos 1962-6-30 s.n. Riverside Sugarloaf, Santa Ana Mountains Comment
  LA205748  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  LA96079  Monardella nana Carl Epling; 1942-6-17 sn Riverside Santa Rosa Mountains, Vandeventer Flat, on Pines to Palms Hwy Comment
  RSA0014344  Monardella nana Elizabeth McClintock 1941-7-21 128 Riverside San Jacinto Mts. Trail to Hidden Lake. A short distance from the top of the ledge just below the turn off to Hidden Lake. Comment
  IRVC2059  Monardella nana subsp. arida R. H. Whittaker, W. A. Niering 1963-6-9 SJ 353 Riverside Santa Rosa Mountain Road Peninsular Ranges, Santa Rosa Mountains 1875 Comment
  RSA750403  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 69 Riverside 3 miles E of Ribbonwood Camp, Pines to Palms Highway. Comment
  RSA750413  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt. 0.6 miles above Pines to Palms Highway. Comment
  SEINET2442171  Monardella nana subsp. arida Unknownnown 1941-6-29 80 Riverside Road up Santa Rosa Mt. 51/2 miles beyond canyon where stream crosses road. Comment
  UC1499809  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  UCR35334  Monardella nana subsp. tenuiflora Geraldine Regur 1978-7-14 593 Riverside San Jacinto Mtns, Flats in the Strawberry Valley above Idyllwild. 1707 Comment
  SEINET945637  Monardella robisonii K. Stolte 1979-1 Riverside Joshua Tree National Monument. Zoo Rock. A small mound of rock on the south side of Monument Route 2, 3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock. Comment
  UCR30582  Monolepis nuttalliana John C. Roos 1966-3-1 s.n. Riverside Perris basin, San Jacinto River bottom at Perris. Comment
  JOTR32860  Monoptilon bellidiforme La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 2 mi NE of Cottonwood Visitor Center Comment
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Oct 12 2013
  RSA450538  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  UC1259283  Monoptilon bellioides T. J. Watson Jr. 1970-3-25 370 Riverside 20 mi n Cottonwood Springs Ranger Station (along paved road through Joshua Tree National Monument); Joshua Tree National Monument Comment
  UCSB30442  Monoptilon bellioides Wheeler, William 1975-3-9 Riverside In Box Canyon Wash, 13 miles south of interstate 10 on Hwy. 195, south side of road 60 Comment
  RSA777314  Muhlenbergia asperifolia Michael Wall 2010-9-9 592 Riverside Bautista Canyon east of Hemet; ca. 8 miles southeast of junction with Fairview Avenue, shaded narrow part of the canyon. 760 Comment
  UC53724  Muhlenbergia asperifolia E. L. Koethen 1897-8-12 1 Riverside Riverside Comment
  UCD86560  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside and Vicinity spring brook above Fairmont Park. Comment
  UC1922191  Muhlenbergia filiformis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1773 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  CAS-BOT-BC275251  Muhlenbergia microsperma Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 airline miles N of downtown Blythe 289 Comment
  CLARK-A1045-175  Muilla maritima George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5' Q Comment
  UCR116964  Muilla maritima A. C. Sanders, T. B. Salvato 2001-5-3 24089 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR137039  Muilla maritima A. C. Sanders 2004-5-5 27756 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
  RSA617800  Myosurus minimus var. filiformis R. E. Riefner 1998-3-22 98 -196 Riverside Glen Ivy Fault, Main Street Comment
  RSA621637  Myosurus minimus var. filiformis R. E. Riefner 1998-4-22 98 -294 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  SDSU13919  Myriopteris clevelandii Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2087 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  SD87753  Myriopteris covillei Frank W. Peirson 1921-3-22 2331 Riverside Murray CaA'on Comment
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  OBI1298  Myriopteris parryi Lawrence L. Kiefer 1963-3-24 480 Riverside San Jacinto Mountains, East slope of the mountains, Andreas Canyon. SW of Palm Springs 305 Comment
  SD144138  Najas marina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15884 Riverside Colorado Desert, Salton Sink, Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas); Durmid 7.5' quad. Submerged aquatic in one pond. -36 Comment
  UCSB18501  Nama demissa MacLean, Steve 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  RSA771679  Nama demissa var. demissa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4986 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UC69319  Nama demissa var. demissa L. A. Greata Apr. 1905 Riverside Coachella Comment
  POM14408  Nassella lepida P. A. Munz 1922-4-28 5028 Riverside 5 miles north of Glen Ivy Comment
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Apr 3 2011
  UCR112000  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR86986  Navarretia atractyloides Jack Easton 1993-5-27 s.n. Riverside Murrieta Oaks, 3 mi. (airline) NW of Murrieta Hot Springs, W side of Hwy 215 451 Comment
  UCR222306  Navarretia intertexta R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55217 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
  UCR228736  Navarretia intertexta Jeremiah George 2011-8-8 s.n. Riverside Peninsular Range, north of Lake Elsinore and south of Nichols Rd. 395 Comment
  CLARK-A1528-5380  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek Comment
  RSA789233  Nemacladus longiflorus var. longiflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UCR59527  Nemacladus longiflorus var. longiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3600 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA526511  Nemacladus pinnatifidus Steve Boyd, Timothy S. Ross 1990-5-11 4705 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  SBBG101661  Nemacladus ramosissimus S. Boyd 1991-5-20 6260 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  UCR15479  Nemacladus ramosissimus Robin L. Kobaly, G. K. Helmkamp 1978-5-2 s.n. Riverside San Jacinto Mtns, Bautista Canyon, 5 mi south of Valle Vista 823 Comment
  SEINET10461026  Nemacladus ramosissimus Boyd 1986-4-22 BOYD 1770 Riverside Temescal Canyon: terrace escarpment east side of Indian Wash, south of I-15 Comment
  RSA510051  Nemacladus tenuis var. aliformis B. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 604 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  JEPS29295  Nemophila menziesii Rimo Bacigalupi and L. Heckard 1962-3-25 8390 Riverside about 5 mi se Corona (on both sides of Temescal Wash from Santa Ana Canyon to Elsinore, just n of Bedford Canyon, eastern base of the Santa Ana Mountains); eastern base Santa Ana Mountains, n of Bedford Canyon 304 Comment
  UC67145  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UCR122524  Nemophila menziesii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6676 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCSB46708  Nemophila menziesii Reimer, Neil 1977-4-15 Riverside 1 mile S. Cajalco Rd. on Santa Rosa Rd. Comment
  UCSB46709  Nemophila menziesii James, Susanne 1977-4-7 Riverside South of Lake Matthews; southern Riverside Co., CA 457 Comment
  RSA770860  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4928 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  HSC21281  Nicotiana glauca H. E. Parks 1938-2-16 24097 Riverside Soboba 488 Comment
  OBI35917  Nicotiana glauca J & B Semple, B Semple 1981-8-12 5588 Riverside W of Lake Elsinore Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  RSA426700  Nicotiana glauca D. A. Young 1969-3-28 P- 302 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  SBBG32354  Nicotiana obtusifolia L. S. Rose 1967-12-19 Riverside La Quinta 15 Comment
  GMDRC5194  Nolina bigelovii Mike Heaney 2010-5-23 1119 Riverside Old Woman Mountains: northern end of range in canyon just south and east of Enterprise Mine 1077 Comment
  LA22820  Nolina parryi Carl Epling; 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  SBBG21993  Nolina parryi P. H. Raven 1959-5-18 14246 Riverside 0.9 mi S of Mountain Center on road to Aguanga Comment
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Jun 9 2012
  UCSB38720  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  POM9934  Notholaena californica subsp. californica F. W. Peirson 1920-2-15 s.n. Riverside Palm Springs, Tahquitz Camp. Comment
  CAS-BOT-BC171494  Oenothera californica Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild 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
  JOTR34283  Oenothera californica subsp. avita La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3287 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  POM12792  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA596774  Oenothera californica subsp. californica D. L. Banks, K. D. Hedge 1996-5-16 1042 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  UCD106847  Oenothera deltoides Richard Bates 1949-4-28 s.n. Riverside Sand dunes, Cathedral City, southeast of Palm Springs. Comment
  SEINET3150331  Oenothera dentata M. E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
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Jun 24 2020
  UCR199726  Oenothera elata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10675 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  CAS-BOT-BC427466  Oligomeris linifolia J. Cole 1942-5-19 962 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  RSA776298  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2010-4-10 826 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UC68557  Oligomeris linifolia H. M. Hall Apr., 1905 5909 Riverside Mule Springs; Colorado Desert, Mule Springs Comment
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Sep 11 2011
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  OBI59203  Oncosiphon piluliferum Robert Noll 1998-3-23 s.n. Riverside Moreno Valley, E of Lake Perris along JFK Blvd. Also seen in Orange county, Haul Cyn Rd, Irvine Ranch Comment
  UCD134654  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga Region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mile south of Oleander Ave., at south end of Patterson Ave. 457 Comment
  UCR228744  Oncosiphon piluliferum A. C. Sanders, Nathan Moorhatch 2011-3-22 38795 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR96902  Oncosiphon piluliferum D. E. Bramlet 1992-5-6 2265 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Wildlife Area, c. 920 m NW of Lakeview, 487 m west of Davis Rd. and 46 m north of Marvin Rd 433 Comment
  JOTR29441  Opuntia basilaris var. basilaris La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1374 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  UC334263  Opuntia basilaris var. basilaris unknown May 1880 Riverside Colorado Desert Comment
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Jan 2 2017
  UCR42626  Opuntia basilaris var. basilaris A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6466 A Riverside San Jacinto Mtns. Foothills, Bautista Canyon, SE of Valle Vista, 2 mi above Bautista Flood Control Dam 610 Comment
  POM284055A  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM288042C  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  UCR42628  Opuntia phaeacantha A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6464 Riverside San Jacinto Mtns., Near the mouth of Hamilton Creek Canyon, 2.6 mi. east of Anza Post Office on Hwy 371. 1220 Comment
  RSA286799  Orcuttia californica R. F. Thorne 1974-5-23 44665 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  SEINET4080625  Orcuttia californica L. M. Boykin, P. M. Hall 2003-1 Riverside Comment
  JEPS46553  Orobanche Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6205 Riverside 20 mi n Desert Center (along the Parker Dam Hwy from Rice to Desert Center, and about 3-4 mi e of eastern base of Coxcomb Mts.); Colorado Desert 243 Comment
  SDSU580  Orobanche H. Wedberg 1962-4-20 920 Riverside Dead Indian Canyon (at foot of Palms to Pines Hwy), about balf-way from Palms to Pines Hwy to the Oasis. 152 Comment
  JEPS70890  Orobanche cooperi L. R. Heckard 1973-4-24 3321 B Riverside 16.3 mi n of Desert Center (on road to Rice) 243 Comment
  UC1539723  Orobanche cooperi Chas. B. Fiker 1946-4-17 Riverside w side of Colorado Desert Colorado Desert; w side of Colorado Desert Comment
  SEINET3108705  Orobanche cooperi subsp. cooperi Sears 1978-3-16 832 Riverside 12 mi NW of Midla nd, 3 mi SW of Rice. 244 Comment
  JEPS10834  Orobanche fasciculata W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1432 Riverside Journey of W. L. Jepson and H. M. Hall from Riverside to Santa Rosa Peak and Palomar, Southern California. Van Deventer's Ranch. Comment
  UC64191  Osmorhiza brachypoda H. M. Hall 1898-4-9 886 Riverside Temescal Comment
  POM353423  Oxalis albicans subsp. californica W. P. Burger 1979-4-29 62 Riverside Hidden Valley Hang Gliding Site. Near Lake Elsinore. 610 Comment
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Dec 16 2009
  RSA170153  Oxytheca emarginata L. B. Ziegler 1964-08 s.n. Riverside Road above Kenworthy Ranger Station, Garner Valley. 1463 Comment
  RSA597530  Oxytheca emarginata Louis C. Wheeler 1960-5-7 7685 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  RSA228806  Paeonia californica Colin M. Wainwright 1972-2-10 595 Riverside Santa Rosa Plateau, 9 miles SW of Murrietta near Forest Route 7S01, near Tenaja Ranger Str. 671 Comment
  RSA594000  Paeonia californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 932 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  CAS-BOT-BC327909  Palafoxia arida F. H. Billings 1926-2-6 20 Riverside Palm Springs Comment
  CAS-BOT-BC327915  Palafoxia arida Ivan Johnston 1917-4-4 1089 Riverside Mouth of Andreas Canyon 243 Comment
  RSA0106715  Palafoxia arida Duncan S. Bell 2011-9-30 2941 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  UCD134870  Palafoxia arida James B. Garner 1959-3-19 428 Riverside 20 miles south of Vidal Junction, toward Blyth. Comment
  UCD134891  Palafoxia arida Elizabeth Milauskas 1994-5-7 8 Riverside in Palm Springs on the Agua Calinete Indian Reservation. 4 blocks west of Via Monte Vista behind the dam. 161 Comment
  RSA341999  Palafoxia arida var. arida R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54117 Riverside Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  RSA363758  Palafoxia arida var. arida N. C. Cooper 1942-4-25 617 Riverside Palm Springs. Comment
  UC1590093  Palafoxia arida var. arida Christopher Davidson and B. Gustafson 1977-4-7 5582 Riverside exit from I-10 ca 2.5 mi w jct. I-10 with State-62 (near start of Angeles Crest Trail); Whitewater Canyon Rd. 609 Comment
  NY43273  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  CLARK-A1528-80  Panicum capillare var. occidentale John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  UCR100375  Panicum miliaceum A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21614 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  OBI69398  Panicum urvilleanum Dave Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mi S of hwy I-10, and 2 mi W of Indian Ave (Desert Hot Springs 7.5' Quad: T3S, R4E, S1/2 of sect 20 & 21, near center line between the two sections) 259 Comment
  SD67091  Papaver californicum E. Norland 1967-5-12 Riverside Temecula Canyon on Santa Margarita River, northwest of Rainbow. Comment
  RSA509725  Parietaria hespera var. californica Ed LaRue 1989-4-12 s.n. Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  RSA314455  Parietaria hespera var. hespera Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55462 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  LA31742  Parkinsonia florida Mary V. Hood; 1942-4-2 42- 12 k* Riverside S of Indio. Riverside and Imperial County line 0 Comment
  RSA179519  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside 10 miles W of Murrieta. Comment
  SD137946  Paspalum distichum Darin L. Banks, Steve Boyd 1995-10-17 807 Riverside NW Palomar Mts, Agua Tibia Mts. Cleveland Nat Forest, Agua Tibia Wilderness Area, Narrow benches where Arroyo Seco turns to E, just W of metasedimentary hills 523 Comment
  UCR93098  Pectis papposa F. M. Reed 1929-11-6 6636 Riverside Sonoran (Colorado) Desert, mouth of Fish Trap Canyon, south of Indio 46 Comment
  RSA0087459  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA782000  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 106 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  RSA775949  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 939 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA779700  Pectocarya heterocarpa Duncan S. Bell 2010-4-2 726 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  UCR249666  Pectocarya heterocarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7304 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA683869  Pectocarya linearis Scott D. White, Michael Honer 2003-4-4 8957 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA736032  Pectocarya linearis Scott D. White, Jamie Minor 2008-3-13 11767 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  SD144479  Pectocarya linearis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19857 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR225713  Pectocarya linearis A. C. Sanders 2011-3-30 38914 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR88575  Pectocarya linearis A. C. Sanders, J. C. Lyman 1995-4-16 16564 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA772022  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4949 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 W116.66012 750 Comment
  JOTR35926  Pectocarya penicillata De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA593880  Pectocarya penicillata Steve Boyd, Dave Bramlet 1996-4-19 8620 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  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
  UC1929659  Pectocarya peninsularis V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  RSA517819  Pectocarya platycarpa Steve Boyd, Orlando Mistretta 1986-3-13 1436 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA775948  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 938 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA781654  Pectocarya platycarpa Duncan S. Bell 2009-3-8 75 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  RSA234101  Pectocarya recurvata R. F. Thorne, R. Carolin 1967-3-21 41633 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA501012  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3131 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UC882254  Pectocarya recurvata I. W. Clokey 1935-4-17 6860 Riverside Colorado Desert, Cottonwood Springs Comment
  JOTR34198  Pectocarya setosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2991 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UC64233  Pedicularis densiflora H. M. Hall 1897-4-17 476 Riverside vicinity of Beaumont Comment
  RSA747516  Pellaea andromedifolia Justin M. Wood 2009-3-10 344 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  RSA667002  Pellaea mucronata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24196 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR158640  Pellaea mucronata S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  POM145482  Pellaea mucronata var. mucronata Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  RSA495413  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2948 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA686890  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
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May 13 2011
  UC472720  Pellaea mucronata var. mucronata M. F. Spencer May 1921 Riverside Palm Springs; Colorado Desert Comment
  UC527740  Pellaea mucronata var. mucronata C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek); San Jacinto Mts 1676 Comment
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Mar 24 2011
  UCR248094  Pennisetum setaceum Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4380 Riverside Sonoran (Colorado) Desert, Mecca Hills, upper branch of Hidden Spring Canyon, c. 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  UCR169859  Penstemon centranthifolius T. B. Salvato, John F. Green 2004-5-27 586 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
  LA209524  Penstemon clevelandii Carl Epling; William Stewart 1936-5-9 sn Riverside Santa Rosa Mountains, near Ribbonwood Comment
  RSA0006116  Penstemon clevelandii subsp. mohavensis M. French Gilman 1926-5-9 A 2 Riverside Keyes [Keys] Ranch, southern edge of Mohave Desert. Comment
  UC886890  Penstemon clevelandii var. connatus P. A. Munz 1922-7-1 5931 Riverside Old Nicholas Canyon Santa Rosa Mts., Old Nicholas Canyon 1463 Comment
  RSA79844  Penstemon pseudospectabilis Philip A. Munz, D. D. Keck 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA0014856  Penstemon rostriflorus Philip A. Munz 1922-7-6 6007 Riverside Trail from Valley to Tahquitz Valley. 2134 Comment
  UCR3236  Penstemon spectabilis Chuck Elliott 1964-5-5 s.n. Riverside 1 mi past end of Canyon Crest Rd. west in Riverside 305 Comment
  RSA619535  Penstemon spectabilis var. spectabilis D. L. Banks 1997-5-5 1984 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UC472721  Pentagramma maxonii M. F. Spencer May 1921 Riverside Palm Springs; Colorado Desert Comment
  RSA687390  Pentagramma triangularis Norman C. Cooper 1947-4-5 2031 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA0060228  Pentagramma triangularis R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54070 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0066309  Pentagramma triangularis P. A. Munz 1922-4-29 5116 a Riverside 5 miles west of Aguanga. Comment
  RSA459096  Perideridia parishii subsp. latifolia M. B. Dunkle 1933-7-22 3744 Riverside Tahquitz Valley. 2317 Comment
  HSC99163  Peritoma arborea Paul J. CaraDonna 2009-3-15 123 Riverside Cotton Wood Creek Campground area, Joshua Tree National Park. Comment
  RSA550348  Perityle emoryi Walter Wisura, John Dolan, Michael Wall 1992-3-24 4640 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  RSA758331  Perityle emoryi Doug Goldman 2005-3-3 3041 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  RSA781607  Perityle emoryi Duncan S. Bell 2011-12-30 3041 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  JOTR35184  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  CAS-BOT-BC167756  Petalonyx thurberi K. Larson 1976-6-10 2036 Riverside ~30 mi E. of Indio S. of Chiriaco Summit Comment
  CAS-BOT-BC167766  Petalonyx thurberi W. R. Dudley 1903-12-30 s.n. Riverside Two miles below Thousand Palms Comment
  JOTR29267  Petalonyx thurberi subsp. thurberi La Doux, Tasha 2005-8-17 1536 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  UC578666  Petalonyx thurberi subsp. thurberi H. S. Yates 1937-6-27 6726 Riverside mouth of Deep Canyon Colorado Desert, Thermal Quad., Deep Canyon 304 Comment
  HSC101084  Peucephyllum schottii Jim Andre 2012-3-19 21392 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  POM46835  Peucephyllum schottii Mary F. Spencer 1920-3-29 1450 Riverside Cottonwood Springs Comment
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Feb 1 2012
  RSA308425  Peucephyllum schottii Henry J. Ramsey, Henry J. Ramsey 1938-4-26 3074 Riverside Near Desert Center-Indio. Comment
  UCR60642  Peucephyllum schottii C. B. Wolf 1932-4-26 02980 Riverside Sonoran (Colorado) Desert, 8 mi east of Mecca, on Blythe Road 183 Comment
  RSA127710  Phacelia ambigua Christopher Davidson 1973-4-1 1844 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA427697B  Phacelia campanularia subsp. vasiformis N. C. Cooper 1944-3-25 995 Riverside Morongo Pass. 457 Comment
  CSUSB130  Phacelia cicutaria Bob Sullivan 1966-3-10 Riverside 100 yards east of railroad tracks on corner of Tamescal Street and Comtom Ave. -near city of Corona 259 Comment
  UCR121091  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24977 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  UCR214277  Phacelia crenulata var. ambigua A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37480 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  JOTR34007  Phacelia cryptantha La Doux, Tasha, M. Harding 2010-4-7 2895 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC668397  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1941-4-24 2078 Riverside Dry Morongo Morongo Valley Gorge 640 Comment
  JEPS1534  Phacelia curvipes W. L. Jepson 1901-5-24 1421 Riverside Vandeventer Flat Santa Rosa Mts., Van de Venter's Ranch Comment
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Jun 19 2011
  CLARK-A1528-3006  Phacelia distans John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA33875  Phacelia distans N. C. Cooper 1944-4-23 1145 Riverside Banning. 701 Comment
  RSA426205  Phacelia distans N. C. Cooper 1944-3-25 1017 Riverside Morongo Pass. 457 Comment
  RSA778137  Phacelia distans Jim Andre 2011-2-2 16208 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SD152827  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside San Mateo Canyon Wilderness Area; along San Mateo Creek from Riverside County line following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UC68751  Phacelia distans H. M. Hall April, 1905 5884 Riverside Chuckawalla Bench Colorado Desert Comment
  UCD120432  Phacelia distans R. L. Smith 1948-3-24 s.n. Riverside North east side of San Jacinto Mountains. Comment
  UCR102762  Phacelia distans B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3592 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR25548  Phacelia distans John C. Roos 1941-4-19 175 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  UCR258009  Phacelia distans Mitch Provance 2003-4-5 403- 02 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of 'Noname Mtn.' 755 Comment
  UCR84644  Phacelia distans Scott D. White, S. Ogg 1994-4-21 2001 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UC410495  Phacelia minor Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  UCD120567  Phacelia minor A. A. Beetle 1940-1 s.n. Riverside Near Sage. Comment
  RSA0064523  Phacelia minor Gail Thompson 1970-3-16 B 28 Riverside 1 mi. south of Temecula on dirt road off Main Street. 457 Comment
  RSA550349  Phacelia neglecta Walter Wisura, John Dolan, M. Wall 1992-3-24 4639 Riverside 1.9 miles S of I-10 on road to Corn Spring Comment
  JOTR30111  Phacelia pedicellata La Doux, Tasha, Bill Truesdell 2008-3-18 1659 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  CAS-BOT-BC265862  Phalaris canariensis Peter H. Raven 1958-5-18 12992 Riverside Pinon Flats, San Jacinto Mountains Comment
  RSA206497  Phalaris minor E. W. Lathrop 1969-5-19 7066 Riverside 6 mi west of Murrieta. Mesa De Colorado of Santa Rosa Plateau Comment
  RSA599129  Phalaris minor V. W. Steinmann, D. L. Banks 1996-4-20 840 Riverside ca. 10 km east of Temecula, along Route 79 at the junction with Los Caballos Road., ca. 33?29'N, 117?02' 30''W 375 Comment
  RSA206251  Phlox austromontana Reid V. Moran 1968-8-3 15364 Riverside 1 mile NW of Toro Peak. 2250 Comment
  RSA0034087  Phoenix canariensis Duncan S. Bell 2013-1-30 4446 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the southwest of Mecca Hills peak 1642. 103 Comment
  JOTR35431B  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  SD152823  Pholistoma auritum var. auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Bluewater Canyon along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  CDA22364  Phoradendron californicum T. C. Fuller 1961-1-1 5493 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  POM14077  Phoradendron californicum Philip A. Munz, D. D. Keck 1922-4-14 4992 Riverside Indian Wells 107 Comment
  RSA420764  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palm Canyon, Coachella Valley Comment
  SBBG1372  Phoradendron californicum H. and M. Dearing 1937-4-10 2782 Riverside Thousand Palms Cyn Comment
  UC1971180  Phoradendron californicum Louis C. Wheeler 1964-10-17 8641 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UC906740  Phoradendron densum Harold E. Parks Feb. 1946 24406 Riverside w. side Colorado Desert, Santa Rosa Canyon Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 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
  CAS-BOT-BC171151  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1946-1-3 46009 Riverside Palms to Pines Highway. Colorado Desert 1066 Comment
  SBBG44461  Physalis crassifolia W. B. Holt 1941-10-23 21 -1941 Riverside few mi E of Pinto Basin Comment
  UC884717  Physalis crassifolia Lewis S. Rose 1936-12-26 36830 Riverside 22 mi e Indio (Indio-Blythe Road) 762 Comment
  UCR26585  Physalis crassifolia W. C. Anderson 1968-4-22 680422 10 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  UCR280996  Physalis crassifolia Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 54 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCR85249  Physalis crassifolia A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15989 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCSB2391  Physaria tenella Haller, John 1958-3-22 Riverside On Hwys 60-70, 11 miles W of Desert Center, 12.8 miles E of Box Canyon road junction, (Calif. 195) Comment
  RSA234022  Pilularia americana R. F. Thorne, Earl Lathrop 1969-5-12 37919 Riverside Santa Rosa Plateau: Large vernal marsh on S end of Mesa de Colorado, Rancho California 625 Comment
  RSA357156  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UC156  Pinus coulteri H. M. Hall 1901-7-1 2642 Riverside in open pine forests in the vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  UC1600404  Pinus lambertiana H. M. Hall 1901-1-1 2614 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  UC64550  Pinus lambertiana H. M. Hall 1901-7-2 2318 Riverside near Tauquitz 2590 Comment
  UC64558  Pinus lambertiana H. M. Hall 1902-4-16 2883 Riverside w side Tahquitz Pk. 2590 Comment
  LA6148  Pinus ponderosa Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley Comment
  RSA31093  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains. 1677 Comment
  RSA180513  Plagiobothrys acanthocarpus E. W. Lathrop 1960-3-25 4687 Riverside 14 miles west of Murrieta. Comment
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR154834  Plagiobothrys canescens A. C. Sanders, Kelly Volansky 2005-3-17 29236 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SEINET272158  Plagiobothrys collinus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. .5 mi. NW of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 579 Comment
  UCR171894  Plagiobothrys collinus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  CAS-BOT-BC334461  Plagiobothrys collinus var. californicus A. C. Sanders; John F. Green 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new sectionof Nichols Rd. S of Lake St. 433 Comment
  UCR234332  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2012-4-6 40004 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  SD6744  Plagiobothrys collinus var. fulvescens Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains Comment
  RSA791596  Plagiobothrys jonesii D. Silverman 2010-3-30 7888 Riverside East flank of southern McCoy Mountains, 1.8 km W of Black Creek Road, 7 km E of McCoy Peak, and 4.4 km north of the I-10 183 Comment
  RSA613752  Plagiobothrys leptocladus Scott D. White 1993-4-25 1276 Riverside Winchester Hills area: agricultural fields, near vernal pools Comment
  POM368893  Plagiobothrys nothofulvus Ora M. Clark 1929-3-2 1634 Riverside Near Elsinore. Comment
  JEPS68148  Plagiobothrys tenellus W. L. Jepson 1935-4-17 19147 Riverside 1.5 mi n Elsinore 457 Comment
  UCR113198  Plagiobothrys tenellus A. C. Sanders 1998-3-11 21662 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR31324  Plagiobothrys tenellus A. C. Sanders, K. Berg 1980-5-1 1364 Riverside San Jacinto Mountains, Garner Valley. Dry bench above valley floor 0.25 mi NW of Kenworthy Ranger Station 1433 Comment
  RSA757465  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55209 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  RSA593903  Plantago elongata subsp. pentasperma Steve Boyd, Dave Bramlet 1996-4-19 8604 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA339067  Plantago erecta Robert F. Thorne, C. W. Tilforth 1980-5-28 54243 -a Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA613132  Plantago erecta D. L. Banks 1997-3-6 1402 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. 'Fiesta Grounds', east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  UCR251699  Plantago erecta T. B. Salvato 2014-4-9 7840 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA781617  Plantago ovata Duncan S. Bell 2009-3-8 85 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  UC1279712  Plantago ovata David B. Dunn 1948-2-21 3686 Riverside n of Pushawalla Comment
  UCD80960  Plantago ovata Chuck Hughes 2009-3-23 55 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  POM14263  Plantago ovata var. fastigiata P. A. Munz, D. D. Keck 1922-4-9 4816 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  POM15000  Plantago ovata var. fastigiata Mary F. Spencer 1922-3-27 1488 Riverside Canyon prope [near] Mecca 49 Comment
  UC1618005  Plantago patagonica Donald G. Nelson 1936-5-24 417 Riverside Hurkey Creek Camp Comment
  UC4557  Platanthera leucostachys H. M. Hall 1897-7-22 727 Riverside San Jacinto Mts. 1828 Comment
  JEPS40287  Platanus racemosa W. L. Jepson 1901-6-2 14871 Riverside Santa Ana River bottom Comment
  SDSU12973  Platanus racemosa Michael G. Simpson 1999-10-27 2040 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CAS-BOT-BC91888  Platystemon californicus A. C. Sanders; G. Helmkamp 1997-3-15 19985 Riverside Lake Skinner Area, northeast shore of Skinner Lake, southeast foot of Bachelor Mountain, northeast slope of small hill. 473 Comment
  RSA691063  Platystemon californicus Scott D. White, Michael Honer 2003-4-9 8981 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UC146755  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR142194  Platystemon californicus June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  RSA577756  Pleuraphis rigida F. M. Reed 1920-3-24 4286 Riverside Morongo Pass near Whitewash station 274 Comment
  CAS-BOT-BC177608  Pleurocoronis pluriseta Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  JEPS18552  Pleurocoronis pluriseta John Thomas Howell 1928-1-29 3299 Riverside Painted Canyon Colorado Desert Comment
  POM41784  Pleurocoronis pluriseta Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC35681  Pluchea odorata var. odorata E. G. Koethen 1897-10-16 A Riverside w Riverside Comment
  HSC28064  Pluchea sericea Richard Spjut 1973-5-4 3349 Riverside Colorado Desert, Corn Spring, Chuckawalla Mtns. 305 Comment
  VVC569  Poa annua A. C. Sanders, J. Mac 1997-5-4 20702 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  POM10498  Poa annua Anonymous 1909-03 s.n. Riverside Chicago Ave. Comment
  RSA179508  Poa annua E. W. Lathrop 1959-5-17 4573 a Riverside 12 miles W of Murrieta, Riverside County Comment
  LA206409  Poa nevadensis Frank W. Gould; 1944-4-5 2235 Riverside 17 mi. E of Temecula on highway 79 Comment
  UC39552  Poa secunda subsp. secunda H. M. Hall June 1901 2257 Riverside Fuller's Hills Mts San Jacinto Mts, Fuller's Hills Mts 1645 Comment
  SD186302  Polygonum argyrocoleon A. C. Sanders 1992-3-21 12075 Riverside Sonoran Desert: Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -43 Comment
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Sep 30 2012
  UCR82217  Polygonum aviculare J. M. Stewart 1994-5-2 843 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  UCR93206  Polygonum lapathifolium Scott D. White 1995-7-7 3453 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CHSC103792  Polypodium californicum Scott D. White 2003-3-21 8806 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  SBBG55018  Polypodium californicum D. Keil, M. McLeod 1977-3-26 12005 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  RSA179509  Polypogon viridis E. W. Lathrop 1960-6-7 4897 Riverside 14 miles west of Murrieta Comment
  RSA334992  Polypogon viridis Steve Boyd 1985-7-23 1019 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  POM12944  Polystichum imbricans subsp. curtum P. A. Munz, I. M. Johnston 1922-5-19 5392 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  SD229275  Populus fremontii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 893 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SEINET10538903  Populus fremontii David B. Dunn, Harold L. Lint 1948-1-24 Dunn 3608 Riverside Pushawalla canyon, indio hills. Dry january; no rain since mid-december although Plants are still growing even on top of the desert pavement. Very warm; the Cottonwoods still had many of last year's leaves and were leafing out anew. Beside quad 1. Comment
  SD157479  Populus trichocarpa Bill Knerr 1998-7-1 Riverside Old Hwy 395, 9 miles south of junction with Hwy 76, east-facing road cut Comment
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Sep 7 2013
  RSA681883  Porophyllum gracile Scott D. White 2001-3-13 s.n. Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  RSA783821  Porophyllum gracile J. D. Olmsted 1959-4-17 396 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument 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
  UCR241483  Potentilla glandulosa Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 234 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  JEPS47218  Potentilla gracilis Carl V. Meyer June 1927 188 Riverside Saunder's Meadow Comment
  RSA0127790  Proboscidea althaeifolia G. Rink, T. Thomas, K. Routson 2012-9-1 11655 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe. 170 Comment
  CDA39093  Prosopis glandulosa Mike Lahti 2013-5-2 PDR# 331 P06141962 Riverside Aguanga; Hwy. 79 south and Hwy. 371. 0 Comment
  UCR240204  Prosopis glandulosa C. J. Minar 1994-5-7 12 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  CAS-BOT-BC206978  Prosopis glandulosa var. torreyana Street; Durant 1918-5-12 s.n. Riverside San Jacinto Hot Springs Comment
  POM348731  Prosopis glandulosa var. torreyana N. C. Cooper 1942-4-17 576 Riverside Palm Springs. Comment
  UCR179752  Prunus cerasifera Mitch Provance 1996-3-5 1076 Riverside Santa Ana River Wash, Anza Narrows Park 232 Comment
  RSA652820  Prunus fasciculata Colleen Callan 1992-5-2 23 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR265572  Prunus fasciculata Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 13 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCD135009  Psathyrotes ramosissima Lewis S. Rose 1935-12-23 s.n. Riverside 7 miles south of Cathedral City. Colorado Desert. 152 Comment
  RSA0065465  Psathyrotes ramosissima David B. Dunn 1947-7-12 2976 Riverside Pushawalla Canyon Indio Hills. Comment
  UCR202415  Psilocarphus brevissimus Karin Cleary-Rose 1998-9-7 s.n Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  UCR20985  Psilocarphus brevissimus var. brevissimus A. C. Sanders, Steve Boyd 1980-5-19 1483 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR277522  Psilocarphus brevissimus var. brevissimus Mitch Provance 2011-6-28 17203 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  RSA724078  Psilocarphus chilensis R. E. Riefner 2006-4-8 06 -306 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Drive at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  RSA562492  Psilocarphus tenellus Steve Boyd, Timothy S. Ross 1992-5-5 7244 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  CAS-BOT-BC362111  Psilostrophe cooperi H. M. Hall; L. A. Greata 1905-4-1 5890 Riverside Chuckawalla Bench, Colorado Desert Comment
  UC1929658  Psorothamnus arborescens var. simplicifolius V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1092 Riverside Transverse Ranges, Little San Bernardino Mountains region; Mouth of Little Morongo Canyon, NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  CAS-BOT-BC353623  Psorothamnus emoryi J. Von Loh 1978-1-24 3312 Riverside Palo Verde Mesa, Nichols Warm Spring 121 Comment
  CHSC843  Psorothamnus emoryi L. Nelson 1935-4-17 Riverside Colorado Desert. Comment
  OBI13263  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside 2 mi SE Salton Bench Mark, Colorado Desert 67 Comment
  RSA0027565  Psorothamnus emoryi April Garbat, Kristin Forgrave, Deidre Conocchioli 2013-8-14 99 Riverside From Desert Center, take Hwy 177 for 16.9 miles. Turn right (E) on Coxcomb Monument Rd/ Palen Pass Rd. 183 Comment
  RSA5156  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  UC484161  Psorothamnus emoryi B. D. Stark 1930-4-2 1501 Riverside w Indio; w of Indio 0 Comment
  RSA4874  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  UCR86158  Psorothamnus schottii A. C. Sanders 1995-5-23 17122 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  CAS-BOT-BC421261  Pterostegia drymarioides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA180397  Pterostegia drymarioides E. W. Lathrop 1965-5-7 5709 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA586098  Pterostegia drymarioides D. L. Banks, S. D. Boyd 1995-4-5 138 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, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  UCR47202  Pterostegia drymarioides B. G. Pitzer, L. F. LaPre 1987-3-2 0424 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA263786  Pulicaria hispanica Margaret Hardinge, Crooks 1961-9-6 311 Riverside Santa Ana canyon; Davenport Ranch on Hwy 91 Comment
  RSA401600  Pycnanthemum californicum T. H. Holmes 1932-1 s.n. Riverside San Jacinto Mountains. Comment
  RSA0081604  Pyrola aphylla Mary F. Spencer 1923-7-8 2264 Riverside [Illegible portion of locality information on top of label.] Banning road in Idyllwild, San Jacinto Mt. 1829 Comment
  UCR273240  Quercus Mitch Provance, Jeremiah George 2012-1-30 17373 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  UCR123691  Quercus agrifolia June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, along Hwy-74 between Hemet and Mountain Center, San Jacinto River wash 732 Comment
  UCR270172  Quercus agrifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42389 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCD58715  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 580 Riverside San Bernardino National Forest: San Jacinto Mountains: 2.3 mi. W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 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
  UCR182371  Quercus berberidifolia Andrea Salzman 2006-4-20 78 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, near Elsinore Peak off Main Divide Road 1006 Comment
  UCR270763  Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8383 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  SD253459  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 33 Riverside Western Riverside County: Badlands wouth of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 751 Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  SD80180  Quercus cornelius-mulleri R. S. Woglum Apr 1937 297 Riverside Palm Springs Comment
  UCR23939  Quercus cornelius-mulleri John C. Roos 1946-10-5 3114 Riverside San Bernardino Mtns., Dry Morongo Canyon 732 Comment
  UCR40035  Quercus cornelius-mulleri G. R. Ballmer, G. F. Pratt 1985-10-19 s.n. Riverside Little San Bernardino Mtns., side canyon off Berdoo Canyon, near boundary of Joshua Tree National Monument [Park]. 1524 Comment
  CHSC59979  Quercus dumosa John La Salle 1982-5-4 82- 5 -4-4 Riverside 2.4 miles west of Radec across the highway from Vail Lake turnoff from Highway 79. Comment
  UC337431  Quercus dumosa J. C. Nevin Riverside Temecula Comment
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Mar 27 2011
  UC5826  Quercus dumosa S. B. Parish 1891-11-5 2259 Riverside McGee's home Comment
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Mar 9 2011
  SEINET10622123  Quercus john-tuckeri Greg Gust, Leith Nye 2005-3-11 Gust 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC404011  Quercus john-tuckeri Dr. D. P. Barrows before Aug 1898 3 Riverside Cahuilla Indians Comment
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Feb 14 2013
  CAS-BOT-BC104317  Quercus palmeri A. C. Sanders; Steve Boyd; Mitch Provance; J. Ross 1998-10-25 22278 Riverside San Jacinto Mtns: Pine Meadow along Hwy 74 in Garner Valley (eastern), 2.7 mi NW of Hwy 371 junction, 0.8 mi NW of Devil's Ladder Rd. 1402 Comment
  RSA654163  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22279 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UC1135774  Quercus palmeri A. E. Wieslander 1938-5-5 735 Riverside Van Deventer Flat Thermal Quad. 1493 Comment
  UC64017  Quercus wislizeni W. L. Jepson May 17 1901-Jun 1 1901 1438 Riverside Santa Rosa Indian Village Comment
  UC1135898  Quercus wislizeni var. frutescens R. St. John 1929-4-27 21 Riverside canyon w Old Nicholas Canyon; Santa Rosa Mts., Indio Quad. 1615 Comment
  UCR169241  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 82 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCSB34692  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.5 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  UCR22074  Rafinesquia californica Steve Boyd 1980-4-27 135 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR89850  Rafinesquia californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3321 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCSB46329  Rafinesquia californica Hawbecker, M. 1983-3-6 Riverside 5 miles north and west through Mecca from Highway 195 in Box Canyon Wash 60 Comment
  CAS-BOT-BC362624  Rafinesquia neomexicana F. H. Billings 1926-2-28 4 Riverside Near 29 Palms, Colorado Desert Comment
  JEPS37574  Rafinesquia neomexicana W. L. Jepson 1927-4-14 11705 Riverside se end Santa Rosa Mts.; , Silent Canyon 304 Comment
  POM13857  Ranunculus californicus P. A. Munz 1922-4-28 5019 Riverside 5 miles NW of Corona 213 Comment
  UCSB2063  Ranunculus cymbalaria Haller, John 1950-5-21 Riverside San Jacinto Mtns., shore of Hemet Lake 1463 Comment
  UCR52324  Ranunculus hebecarpus B. G. Pitzer 1988-3-20 675 A Riverside Santa Ana Mtns., Cleveland National Forest, along the San Juan Loop trail, about 4 mi west of El Cariso Village, just across the hwy from Ortega Park Store 305 Comment
  UCR264076  Rhamnus californica S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1078 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  POM202256  Rhamnus crocea Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  UCR251706  Rhamnus crocea T. B. Salvato 2014-4-9 7834 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  JOTR33938  Rhamnus ilicifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2827 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
  RSA652631  Rhamnus ilicifolia Jerry Wilk 1969-5-24 s.n. Riverside 15 mi. S. of Banning on Palms to Pines Hwy. Comment
  UCR89902  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  UC1281234  Rhamnus tomentella subsp. cuspidata H. E. McMinn 1935-6-27 4046 Riverside Pines to Palms Highway Comment
  UC1929485  Rhododendron occidentale Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek Picnic Area. 1524 Comment
  IRVC80  Rhus ovata R. H. Whittaker, W. A. Niering 1963-5-30 SJ 87 Riverside Palm Desert to Mountain Center, Santa Rosa Mountain Rd. Santa Rosa Mountains 1524 Comment
  LA62860  Rhus ovata Victor Duran; 1933-7-3 3498 Riverside SANTA ROSA MOUNTAINS, 2 mi E of Pinyon Flat. 1066 Comment
  SD122182  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aquaduct crossing. 259 Comment
  SDSU13626  Rhus ovata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  CAS-BOT-BC173134  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  UC1608282 Image available Ribes indecorum Steve Boyd, Tim Ross 1993-2-22 7720 Riverside w Perris (in canyon along Santa Rosa road beween Gavilan Plateau and road to Steele Valley); Gavilan Hills 624 Comment
  UC69248  Ribes lasianthum H. M. Hall 1897-3-20 401 Riverside Gavilan Mts. Comment
  CAS-BOT-BC168950  Ribes malvaceum John Thomas Howell 1960-3-24 35148 Riverside Palms to pines Hwy. above Strawberry Creek, San Jacinto Mts. 1066 Comment
  CLARK-A1528-1297  Ribes malvaceum Michelle Loef 1943-3-20 120573-2 Riverside San Jacinto Mountains|Fuller Mill Creek 1828 Comment
  UCR121645  Ribes malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 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
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCD102356  Ribes malvaceum var. viridifolium F. R. Lawson 1930-3-2 s.n. Riverside Riverside. Comment
  POM20019  Ribes nevadense Mary F. Spencer 1923-6-12 2174 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  CLARK-A1528-4142  Ribes quercetorum John C. Roos 1940-5-4 879 Riverside Reche Canyon Comment
  UCR24947  Ribes roezlii A. C. Sanders 1980-7-18 1658 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCSB9364  Ribes speciosum Gill, Robert 1959-4-17 Riverside 8 mi south of West Corona on the Oak Flats Fire Road; Santa Ana Mt Range 822 Comment
  CHSC1217  Romneya coulteri E. Thomas 1940-5-11 Riverside Temescal canyon. Comment
  SD130245  Romneya coulteri Scott White 1990-6-16 Riverside Cleveland National Forest, on private land just inside the Forest boundary. East wall of Hagador Canyon, near the mouth of the canyon. 395 Comment
  UC50166  Romneya coulteri H. P. Chandler 1898-5-16 Riverside Corona Comment
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Jul 4 2010
  RSA618368  Romneya coulteri var. trichocalyx D. L. Banks 1997-6-16 2060 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Pechanga Road, approximately 20 m south of the intersection of Hunter Lane and Moreno Road. 377 Comment
  UCR158952  Rorippa curvisiliqua A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31558 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR84611  Rorippa nasturtium-aquaticum Scott D. White, S. Ogg 1994-4-21 2005 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR199648  Rorippa palustris subsp. occidentalis Justin M. Wood 2008-7-16 38 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR241189  Rosa californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 499 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  POM12660  Rubus parviflorus Philip A. Munz 1922-9-6 6385 Riverside North fork of Tahquitz Creek. 2210 Comment
  RSA561071  Rumex conglomeratus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR125221  Rumex crispus Mitch Provance 1998-5-29 558 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  RSA0046831  Rumex crispus Paul Shirokawa 1998-5-15 32 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  UC8370  Sagina saginoides H. M. Hall June, 1901 2203 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  RSA450476  Salazaria mexicana J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Dos Palmas Springs. Comment
  CAS-BOT-BC129740  Salix bonplandiana Marcus E. Jones 1927-4-21 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  CAS-BOT-BC129748  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 335 Riverside Andreas Canyon, E slope San Jacinto Mts. 304 Comment
  UCR92270  Salix exigua Scott D. White 1995-8-23 3571 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  SBBG101690  Salix exigua var. hindsiana S. Boyd with T. Ross 1991-6-14 6367 Riverside Warm Springs Crk at NE end of Hogbacks Ridge, 2-3 mi NW of Murrieta Hot Springs Comment
  SD1019  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  UC492427  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside 3 meters above its mouth Diablo Canyon (near Clary's Coral Reef Ranch); Colorado Desert, foot of e slope Santa Rosa Mts., Diablo Can Comment
  UC506424  Salix gooddingii Carl Epling and Joseph Ewan 1933-5-12 7606 Riverside s shore Lake Elsinore Comment
  UCR37445  Salix gooddingii Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  RSA0010972  Salix hindsiana John F. Emmel 1978-5-27 606 Riverside San Jacinto River bed, at SW base of the San Jacinto Mts., N of Valle Vista. 514 Comment
  RSA552716  Salix lasiolepis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UC714927  Saltugilia australis R. C. Foster 1937-3-7 62 Riverside near aqueduct (w slope Whitewater Canyon); w slope Whitewater Canyon Comment
  UCR108493  Saltugilia australis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16183 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  UCR274304  Saltugilia australis T. B. Salvato, Melissa Clemons 2005-6-6 1424 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
  SEINET3859080  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 -GH Riverside Pinyon Flats. Pinyon Drive, off of Hwy 74 past the Pinyon Flats Campground, after road turns left, 1/2 way between Palm Canyon Drive and Jeraboa Road. About 100-200 yards off the road on the N side around a rocky outcrop. Area under development and site may one day have a house on it.; 0 1261 Comment
  POM3540  Saltugilia splendens F. M. Reed 1908-7-13 2427 Riverside San Jacinto Mountains: Ridge north of Tahquitz Valley. 2500 Comment
  UC218131  Salvia apiana P. A. Munz 1922-6-26 5828 Riverside s slope Santa Rosa Mts. 1706 Comment
  UC729534  Salvia apiana Carl B. Wolf 1932-5-24 Riverside Snow Creek Canyon San Jacinto Mts. (0.5 mi below Fish Hatchery, n base of San Jacinto Mts) 548 Comment
  RSA411369  Salvia carduacea Ora M. Clark 1929-2-24 1532 Riverside Cabazon, Colorado Desert. Comment
  RSA733973  Salvia carduacea Keith E. Hoffmaster 1937-6-6 762 Riverside Near Valle Vista, Hemet Valley. Comment
  RSA170162  Salvia columbariae L. B. Ziegler 1964-8-18 s.n. Riverside Morris Ranch Road north of Kenworthy Ranger Station, Garner Valley, San Jacinto Mts. 1463 Comment
  RSA524221  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4015 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD249232  Salvia columbariae J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 390 Comment
  UC883899  Salvia columbariae P. A. Munz and I. M. Johnston 1922-5-19 5367 Riverside 5 mi ne Murietta 457 Comment
  UCLA70178  Salvia columbariae H. S. Brown 1946-3-30 4 Riverside Wonderland of Rocks; Mohave Desert Comment
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Feb 17 2013
  CLARK-A1045-181  Salvia dorrii George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA124980  Salvia eremostachya Peter H. Raven 1958-5-18 13001 Riverside 1.7 miles NE of Pinyon Flats, San Jacinto Mountains. Comment
  UCR20099  Salvia eremostachya Jeanine Derby 1976-4-28 s.n. Riverside Santa Rosa/San Jacinto Mountains, [near Dos Palmas Spring] 1159 Comment
  CLARK-A1528-5697  Salvia greatae John C. Roos 1963-9-9 Riverside Orocopia Mountains Comment
  UCR23566  Salvia greatae John C. Roos 1958-3-29 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek Wash, 3 miles north of Coachella Canal on [south] base of Orocopia Mtns. 305 Comment
  RSA776183  Salvia greatae Amber Swanson, Duncan S. Bell 2011-3-20 249 Riverside N of the Bradshaw Trail between Coachella Canal Rd and Red Canyon. N of the Chocolate Mtns. 198 Comment
  RSA192198  Salvia mellifera E. W. Lathrop 1959-4-17 4487 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA614399  Salvia mellifera D. L. Banks 1997-3-16 1533 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
  RSA701496  Salvia mellifera M. Wall 1996-1-8 127 Riverside Foothill S of Beaumont off Hwy 79 (Lamb Cyn.), 1.1 mi S of 10 Fwy, just past California Ave., W side of hwy. 610 Comment
  SDSU7396  Salvia mellifera H. Wedberg 1962-4-20 900 Riverside 0.5 mile from Cranston Ranger Station on raod to Mountain Center, Idyllwild Mtns. 610 Comment
  UCR172792  Salvia mellifera Wayne Law, Jun Hu 2000-5-16 14 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR173153  Salvia mellifera Abby Sirulnik 2000-4-18 13 Riverside South Coast; Perris Basin, Motte Rimrock Reserve, NW of Perris 610 Comment
  JEPS62763  Salvia mohavensis Marjorie Clary 1931-11-29 652 Riverside Eagle Mountains Comment
  SEINET10643229  Sambucus caerulea Greg Gust, Leith Nye 2005-3-10 Gust 533 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  RSA660228  Sambucus mexicana Sandy Gray 1981-5-15 17 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  UCR138914  Sambucus mexicana Julie A. Greene 1993-4-3 1083 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Old agricultural field, east of dirt road 441 Comment
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  UCR14547  Samolus parviflorus O. F. Clarke, Jeanine Derby 1974-8-8 s.n. Riverside Peninsular Range, SW of Temecula in Walker Basin, Rancho California Property 427 Comment
  CLARK-A1045-191  Sanicula crassicaulis George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  RSA783123  Sanicula crassicaulis J. D. Olmsted 1959-4-23 454 Riverside Spring Trail at Beacon Pines Ranch, 9 miles SW of Corona; Santa Ana Mts. Drainage area: Santa Ana river. 793 Comment
  UCR59763  Sanicula crassicaulis Steve Boyd, T. Ross, et al 1989-3-31 3074 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM305707  Sanicula tuberosa Henry J. Ramsey 1939-4-22 I- 32 Riverside Hemet-Anza, Bautista Creek Road. Comment
  JEPS27437  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-27 1483 Riverside Aguanga Comment
  UCR60265  Sarcostemma cynanchoides subsp. hartwegii Steve Boyd, T. Ross, L. Arnseth 1989-6-10 3666 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  SD114967  Satureja chandleri Earl W. Lathrop 1966-5-11 6287 Riverside 3.0 miles west of Murrieta on the De Luz Road. Comment
  RSA585633  Saxifraga californica D. L. Banks, Steve Boyd 1995-3-15 0068 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 720 Comment
  RSA778559  Schismus David J. Keil 1983-4-15 16908 Riverside East of Temecula on SR79 Comment
  UCR138582  Schismus arabicus Steve Boyd, Orlando Mistretta 1986-3-13 1430 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR214416  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  RSA683868  Schismus barbatus Scott D. White, Michael Honer 2003-4-4 8956 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR125217  Schismus barbatus Mitch Provance 1998-5-5 523 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR134592  Schismus barbatus Marisa Sripracha, Kyle Boyd 2004-2-14 008 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  CAS-BOT-BC111386  Schoenoplectus acutus var. occidentalis Louis C. Wheeler 1932-9-4 1337 Riverside Santa Ana R. at Chino Creek 182 Comment
  POM1408  Schoenoplectus americanus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  POM184659  Schoenoplectus americanus L. C. Wheeler 1932-9-4 1336 Riverside Santa Ana River at Chino Creek. 183 Comment
  RSA652886  Schoenoplectus californicus John Wallace 1991-5-8 22 Riverside Colorado River. Comment
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Aug 13 2015
  POM184658  Scirpus acutus var. occidentalis L. C. Wheeler 1932-9-4 1337 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  CSUSB1016  Scirpus robustus Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  SEINET10602603  Scribneria bolanderi Andrew C. Sanders, H. Spilman 1993-4-24 Sanders 13775 Riverside San Bernardino Mountains; Summit Valley on Hwy 173, 5.4 miles NE of The Hwy 138 junction & 1 mile S of the Grass Valley Cr. Crossing. Gentle slopes of decomposed granite soil on low hills. Chaparral with Adenostoma fascic.,, Cercocarpus betul.Haplopapus linearif., Juniperus calif, Ceanothus greg., Eriodictyon trich.Eriogonum fascic.etc. above a creek with willows and a few sycamores. Comment
  RSA516742  Scrophularia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR107409  Scrophularia californica B. G. Pitzer 1997-3-23 2968 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA507950  Scrophularia californica subsp. floribunda Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  CAS-BOT-BC341098  Scutellaria mexicana Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UCD125769  Scutellaria mexicana G. L. Webster; R. Hildreth 1966-12-9 7459 Riverside Joshua Tree National Monument, desert scrub around 1.5 miles north of Cottonwood Springs. 944 Comment
  RSA761228  Scutellaria siphocampyloides Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 729 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC729883  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 3907 Riverside near Idyllwild (Point View); San Jacinto Mountains, Point View 1645 Comment
  UC884052  Scutellaria siphocampyloides P. A. Munz 1922-6-23 5764 Riverside Keen Camp; San Jacinto Mountains, Keen Camp 1524 Comment
  RSA0074745  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA596107  Selaginella bigelovii Darin L. Banks 1996-11-7 1205 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, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  UCR112952  Selaginella bigelovii B. G. Pitzer 1998-3-1 3553 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR91560  Selaginella bigelovii A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15908 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  CAS-BOT-BC62083  Selaginella eremophila S. B. Parish 1907-4-18 6111 Riverside Western edge of the Colorado Desert 200 Comment
  CAS-BOT-BC62093  Selaginella eremophila Larry Kiefer 1963-3-24 485 Riverside Andreas Cyn. 609 Comment
  RSA28015  Senecio douglasii var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 miles below Cottonwood Springs Comment
  POM14300  Senecio mohavensis P. A. Munz, D. D. Keck 1922-4-9 4796 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
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Apr 5 2011
  SBBG8769  Senecio mohavensis H. and M. Dearing 1942-3-12 4831 Riverside Palms to Pines Hwy 426 Comment
  RSA544438  Senecio vulgaris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6345 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UC484160  Senna armata B. D. Stark 1930-5-25 Riverside Chuckawalla Valley Colorado Desert, Chuckawalla Valley Comment
  RSA0023063  Senna armata John F. Emmel 1995-4-21 1365 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 579 Comment
  CDA23920  Sesuvium verrucosum T. C. Fuller 1959-4-8 2473 Riverside 5 miles south of Ripley. 0 Comment
  UCR275585  Sesuvium verrucosum T. B. Salvato 2005-6-13 605- 9 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  CAS-BOT-BC243551  Setaria parviflora Samuel B. Parish 1897-5-29 4518 Riverside Wayside Waif, South Riverside Comment
  LA205893  Sidalcea malviflora W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UCR50582  Sidalcea malviflora B. G. Pitzer, E. Misquez 1988-2-28 0630 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA433916  Sidalcea malviflora subsp. sparsifolia E. C. Jaeger 1922-7-3 s.n. Riverside Stawberry Valley Comment
  SEINET4176391  Sidotheca trilobata J. L. Reveal, B. J. Ertter 1976-6-30 4571 Riverside San Jacinto Mountains, 0.3 mile south of California Highway 74 on the road to Mile High Trap Club, this road junction 1 mile west of Mountain Center. 1311 Comment
  UCR113045  Silene gallica Mitch Provance 1998-3-5 137 Riverside City of Riverside, Between the Harvest Church parking lot and Riverside Airport, c. 500 yards north of the corner of Adams St. and Arlington Ave. 241 Comment
  RSA34600  Silene laciniata subsp. major N. C. Cooper 1944-6-4 1318 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA591749  Silene laciniata subsp. major J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA784535  Silene verecunda subsp. platyota J. D. Olmsted 1959-8-18 749 Riverside Tahquitz Creek drainage area: Along trail from saddle to Willow Creek near Skunk Cabbage Meadow, 5 mi east of Idyllwild. 2439 Comment
  HSC99156  Simmondsia chinensis Paul J. CaraDonna 2009-3-17 127 Riverside Cotton Wood Creek Campground area, Joshua Tree National Park. Comment
  POM177871  Simmondsia chinensis Marcus E. Jones 1930-3-15 26525 Riverside Eagle Mountains. Comment
  POM96164  Sisymbrium altissimum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
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Sep 3 2011
  UC856977  Sisymbrium altissimum C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4741 Riverside Gavilan Peak 600 Comment
  UCR213568  Sisymbrium altissimum A. C. Sanders, Matthew Malle 2010-4-23 38007 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA33838  Sisymbrium altissimum N. C. Cooper 1944-5-20 1246 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  CLARK-A1045-228  Sisymbrium erysimoides George K. Helmkamp 1978-3-27 Riverside Box Springs Mountains south base of mountain; Riverside East 7.5'Q Comment
  UC1550222  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside Sugarloaf Peak, w end of the Box Springs Mountains Sugarloaf Peak; Box Springs Mountains, Sugarloaf Peak