Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229319  Abronia villosa Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  CAS-BOT-BC229331  Abronia villosa L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona Comment
  RSA698219  Abronia villosa J. R. Bruff s.n. Riverside Whitewater. Comment
  UCR167430  Abronia villosa 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
  POM12868  Abronia villosa var. aurita P. A. Munz, I. M. Johnston 1922-5-20 5525 Riverside Hemet Valley, San Jacinto Mountains; sandy washes on Garner Ranch. 1402 Comment
  RSA461191  Abronia villosa var. aurita Elbert Benjamine 1929-5-18 236 Riverside Hemet. Comment
  OBI37474  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Garden weed at Boyd residence, Good Hope Valley area, W of Perris Comment
  RSA0094190  Acacia greggii Duncan S. Bell, Evan Meyer 2014-10-29 7682 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR178532  Acacia greggii R. G. Swinney 1967-5-26 148 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CLARK-A1045-206  Acamptopappus sphaerocephalus George K. Helmkamp 1979-4-29 Riverside Windy Point Whitewater 7.5'Q Comment
  UCR41842  Acamptopappus sphaerocephalus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 06044 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  RSA494635  Achnatherum coronatum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  POM301785  Achnatherum speciosum J. Cole 1942-4-11 950 Riverside Split Rock Area, Joshua Tree National Monument, Riverside County. alt 4000ft 1220 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
  RSA771664  Achnatherum speciosum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4904 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UC1133244  Achnatherum speciosum A. Lewis 1933-4-2 181 Riverside San Jacinto quadrangle Comment
  UCR80730  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  CAS-BOT-BC384735  Achyronychia cooperi Aven Nelson; Ruth Nelson 1939-3-28 3296 Riverside On highway 111, South of Mecca Comment
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  CAS-BOT-BC204875  Acmispon argyraeus var. argyraeus H. M. Hall 1901-6-1 2140 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1524 Comment
  JOTR34325  Acmispon brachycarpus Andre, Jim 2012-4-11 20828 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  JOTR31171  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SD44851  Acmispon strigosus Darley F. Howe 1952-4-6 2178 Riverside 12 miles east of Mecca Comment
  CDA14288  Acroptilon repens R. O'Connell 1998-7-8 s.n. Riverside at Santa Ana River Regional Park. 0 Comment
  CHSC110029  Adenophyllum porophylloides Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, 2004-5-14 11212 Riverside Colardo 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 at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  HSC99955  Adenostoma sparsifolium J. P. Smith, & J. O. Sawyer 2011-6-9 13202 Riverside 1470 Comment
  RSA453182  Adenostoma sparsifolium Gale Sphon 1955-5-22 s.n. Riverside Vanderventer Flat (Ribbonwood, Redshank) Comment
  UC519765  Adenostoma sparsifolium C. Epling 1931-10-4 Riverside Hemet to Idylwild Comment
  RSA625173  Adiantum capillus-veneris L. C. Wheeler 1963-3-17 8245 Riverside Santa Rosa Mountains: Martinez Canyon. 914 Comment
  UCR264078  Adiantum capillus-veneris S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1080 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  RSA131724  Agrostis pallens E. K. Balls 1958-6-27 23301 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  RSA674734  Agrostis pallens Scott D. White, K. Szabo 2000-5-31 7986 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR57207  Agrostis viridis Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  UCR84624  Agrostis viridis Scott D. White, S. Ogg 1994-4-21 1996 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM98787  Aliciella latifolia P. A. Munz 1926-1-31 9967 Riverside Dos Palmas Spring Comment
  LA206496  Aliciella leptomeria H. Lewis; 1949-3-26 sn Riverside Box Canyon Comment
  RSA27526  Allionia incarnata I. L. Wiggins 1941-3-27 9682 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  UCR167237  Allionia incarnata 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
  UCR19401  Allionia incarnata Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  CAS-BOT-BC131980  Allium haematochiton Ynez Whilton Winblad 1937-4-19 s.n. Riverside Between Beaumont and Redlands Comment
  CAS-BOT-BC131983  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  HSC2964  Allium haematochiton C. L. Hitchcock 1966-3-15 24154 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA367104  Allium haematochiton J. D. Olmsted 1962-5-10 3635 Riverside SE Santa Ana Mountains, SSW of Lake Elsinore, western Riverside County. 991 Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  RSA740236  Allium lacunosum var. davisiae Scott D. White, Justin M. Wood 2008-6-17 12191 -A Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  CAS-BOT-BC472713  Allium lacunosum var. lacunosum Steve Boyd 2010-5-26 12278 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along old Main Divide Road, east of road up to communications towers, near concrete wildlife drinker 1040 Comment
  RSA543582  Allium munzii Steve Boyd 1991-5-7 6164 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA785116  Allium munzii Valentin Arvizu 2008-4-17 5 Riverside De Palma Rd. and Indian Truck Trail; Saddleback Estates Preserve Area - USGS Alberhill quad 427 Comment
  UC1544764  Allium munzii Steve Boyd 1986-4-10 1641 Riverside De Palma Rd.1.0 mi e Indian Truck Trail exit of I-15; Temescal Canyon 371 Comment
  UCR230056  Allium munzii Tara Schoenwetter 2011-4-16 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 421 Comment
  CSUSB1030  Allium peninsulare E. W. Lathrop 1971-3-21 7462 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco District. 914-1219 Comment
  RSA180313  Allium peninsulare var. peninsulare E. W. Lathrop 1965-4-30 5699 Riverside 5 miles W of Murrieta. Alt 2000ft 610 Comment
  UCR201505  Allophyllum gilioides subsp. violaceum Scott D. White, Justin M. Wood 2008-6-18 12223 Riverside San Jacinto Mountains, K Flat Meadow 1445 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
  CLARK-A1528-1056  Alternanthera repens Oscar F. Clarke 1964-6-20 525 Riverside Riverside Comment
  UCR207547  Amaranthus blitum O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  RSA0020466  Amaranthus fimbriatus Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6032 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  CLARK-A1528-1398  Amaranthus hybridus John C. Roos 1965-10-13 Riverside Corona Comment
  RSA596533  Amaranthus hybridus D. L. Banks 1996-7-16 1126 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road). 426 Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  UCR106907  Ambrosia acanthicarpa D. L. Banks, L. Raz 1996-11-5 1174 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  LA202899  Ambrosia dumosa A. M. Johnson; 1928-5-5 351 Riverside Travertine Rock Comment
  POM41505  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA727011  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SBBG81836  Ambrosia dumosa J. Hogan 1975-5-29 83 Riverside ca. 2.5 mi N of Berdoo and Rockhouse Cyn jct, Joshua Tree Nat Monument 1072 Comment
  UCR109581  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-5-14 s.n. Riverside Coachella Valley, Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak 274 Comment
  RSA41492  Ambrosia ilicifolia Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UC54139  Ambrosia psilostachya H. M. Hall 1901-8-1 Riverside vicinity of Riverside 304 Comment
  CAS-BOT-BC273019  Ambrosia salsola Marian L. Campbell 1921-3-19 62 Riverside Palm Springs Comment
  SFV17322  Ambrosia salsola var. pentalepis J. N. Hogue, J. D. Dilley 1998-4-23 108 .5 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
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Mar 2 2015
  JEPS39443  Ambrosia salsola var. salsola I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
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Oct 9 2010
  SBBG54477  Ambrosia salsola var. salsola L. R. Abrams 1941-4-24 13935 Riverside near Cabazon, San Gorgonio Pass Comment
  SEINET895792 Image available Amorpha californica Al Grable 1976-1 6450 Riverside California false indigo. Santa rosa Myns. Rd. below Mtn. Home Spring. 2012 Comment
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Aug 25 2013
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  CSUSB988  Amsinckia intermedia Robert M. Hasegawa 1976-4-5 S. N. Riverside University of California, Riverside campus. 1/8 mile south of Perimeter Road. 274 Comment
  SBBG95668  Amsinckia intermedia S. Boyd 1986-3-1 1366 Riverside Gavilan Plateau, Gavilan Hills: 0.25 mi S of Harford Springs County Park 640 Comment
  SD152912  Amsinckia intermedia Steve Boyd 1992-4-15 6867 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  SD237357  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-4-1 38949 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall / Collier Ave., above Temescal wash. 402 Comment
  UCR260834  Amsinckia intermedia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41521 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  CSUSB1577  Amsinckia menziesii R. Pirot 1975-5-10 S. N. Riverside Juniper Flats road and Highway 74, Homeland 542 Comment
  SEINET7907888  Amsinckia menziesii D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR127547  Amsinckia menziesii A. C. Sanders, T. B. Salvato 2003-5-21 26802 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR114829  Anagallis arvensis Mitch Provance 1998-7-23 923 A Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  RSA777336  Andropogon glomeratus var. scabriglumis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4505 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC499167  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands: San Timoteo Canyon, El Casco area, N of San Timoteo Canyon Rd and E of Woodhouse Rd 626 Comment
  UCR137354  Anemopsis californica John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  POM122258  Angelica tomentosa Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SEINET270813 Image available Anisocoma acaulis Richard J. Shaw 1958-4-6 1098 Riverside Joshua Tree National Monument ; On road from White Tank Campground to South Entrance 610 Comment
  UCR199927  Anthriscus caucalis Scott D. White, Justin Wood 2008-4-16 11893 Riverside Perris Basin, Menifee Valley, north of Newport Rd. Drainage ditch down stream from golf course 436 Comment
  RSA525247  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1990-5-11 4625 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR174177  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32596 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR71982  Antirrhinum coulterianum Steve Morgan, H. M. Soldan 1992-5-25 92 5 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  JOTR32148  Antirrhinum filipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2304 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SEINET13388909  Antirrhinum filipes H. M. Hall 1905-5-10 6014 Riverside Cottonwood Springs. 671 Comment
  RSA180376  Antirrhinum kelloggii E. W. Lathrop 1960-5-27 5219 Riverside 6 miles west of Murrieta. Comment
  RSA522741  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3848 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Cyn and adjacent benches on S flank of Big Oak Mountain 396 Comment
  UCR241838  Apiastrum angustifolium A. C. Sanders, Timothy W. Chumley 2013-4-2 40737 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  POM157898  Apocynum sibiricum P. A. Munz 1927-5-21 10896 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  UCR237875  Arabis Mark A. Elvin 2003-3-26 2363 Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  UCR240633  Arabis Tracy Tennant, Mitch Provance 1998-6-16 MOR- 408 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  RSA0125500  Arabis holboellii Scott D. White, Justin M. Wood 2009-5-21 12873 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  SEINET3507464 Image available Arabis perennans C. F. Shutts 1949-3-19 F 53 Riverside White Tanks, Pinto Mtns. Joshua Calif. Tree Natl. Mon. Comment
  POM354172  Arceuthobium campylopodum N. Cooper, Paul C. Silva 1943-9-11 923 Riverside Idyllwild Comment
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Oct 22 2011
  POM13939  Arctium lappa F. M. Reed 1907-6-23 1435 Riverside Old field above West Riverside Road above bridge. Comment
  RSA629165  Arctostaphylos Jon E. Keeley 1992-7-17 16805 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629171  Arctostaphylos Jon E. Keeley 1992-7-17 16795 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629357  Arctostaphylos glandulosa Jon E. Keeley 1992-6-12 15541 Riverside Rd to Elsinore Pk., 1 km S of Elsinore Pk. Santa Ana Mtns. 950 Comment
  RSA629398  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19527 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629376  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16858 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629470  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  RSA631770  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15081 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA496736  Arctostaphylos glauca var. glauca Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA633530  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20147 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633591  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22527 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633604  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22518 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA5251  Arctostaphylos patula subsp. platyphylla C. B. Wolf 1932-8-5 3988 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  CAS-BOT-BC434238  Arctostaphylos pringlei Tracy Tennant; Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  SEINET3093967 Image available Arctostaphylos pringlei Paul Lamos 1972-4-16 0416720501 Riverside .5 mi. north Lake Filmore highway 243 1646 Comment
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Mar 13 2018
  CLARK-A1528-1139  Arctostaphylos pringlei subsp. drupacea Sherri Stange 1980-5-26 Riverside San Jacinto Mountains 1523 Comment
  RSA277085  Arctostaphylos pringlei subsp. drupacea R. S. Woglum 1941-6-12 3051 -A Riverside Idyllwild. Comment
  RSA652425  Arctostaphylos pringlei subsp. drupacea Edward Kai 1970-5-21 s.n. Riverside Idyllwild off Hwy 74. 1524 Comment
  UC21863  Arctostaphylos pringlei subsp. drupacea H. M. Hall May 1899 1123 Riverside Strawberry Valley San Jacinto Mountains 1615 Comment
  POM367449  Arctostaphylos pungens N. C. Cooper 1949-6-29 4322 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA635813  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16552 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  RSA751283  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  UCR129775  Arctostaphylos pungens C. B. Wolf 1931-5-11 01953 Riverside San Jacinto Mtns., near Pipe Creek, above Hemet Valley 1677 Comment
  RSA575903  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon. Fisherman's Camp. 462 Comment
  RSA635994  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21612 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636174  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19479 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD180719  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 401 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top, ca. 100m east of weather station. Among boulders, exposed, 0 slope. 654 Comment
  UCR273481  Arctostaphylos rainbowensis A. C. Sanders, Glen Morrison 2016-8-4 42619 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  CAS-BOT-BC207121  Argythamnia lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mts. E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca 579 Comment
  RSA0043067  Argythamnia serrata Duncan S. Bell, LeRoy Gross 2014-3-20 6265 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  JOTR34382  Aristida adscensionis Andre, Jim 2012-4-16 20903 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA0047320  Aristida adscensionis Jim Andre 2014-1-27 26667 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
  RSA776145  Aristida adscensionis Duncan S. Bell, Amanda Turek 2010-4-10 838 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
  POM219941  Aristida adscensionis var. modesta F. R. Fosberg 1932-3-13 8102 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  CLARK-A1528-4477  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon 457 Comment
  RSA781967  Aristida purpurea var. fendleriana Stephanie Rockwood, Christi Gabriel 2011-11-1 193 Riverside Pallen Dunes Road, Ford Dry Lake area. I10 exit 217. Chuckwalla Valley. 107 Comment
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Sep 10 2016
  CLARK-A1528-4488  Aristida purpurea var. glauca John C. Roos 1946-9-14 3029 Riverside San Jacinto Mountains 1188 Comment
  RSA192014  Artemisia californica E. W. Lathrop 1965-12-9 6037 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  RSA249445  Artemisia douglasiana John F. Emmel 1973-4-7 424 Riverside Twin Pines Creek, at north base of San Jacinto Mts, 1.5 miles SW of Cabazon. 512 Comment
  RSA588809  Artemisia douglasiana Darin L. Banks, Steve Boyd 1995-10-17 0762 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UC63059  Artemisia dracunculus H. M. Hall 1901-8-6 2622 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
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Sep 21 2006
  SEINET10723671  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2701 Riverside On trail to Taquitz from Taquitz Valley campground. On dry hillside among bracken ferns. Comment
  CAS-BOT-BC90767  Artemisia ludoviciana subsp. albula Philip A. Munz 1938-8-13 15335 Riverside ridge east of Santa Rosa Peak 2377 Comment
  UCR272197  Artemisia ludoviciana subsp. albula Duncan S. Bell 2015-9-30 8660 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  SD43533  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1095 Comment
  UCR138603  Artemisia tridentata subsp. tridentata D. L. Banks 1996-11-7 1207 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  RSA715091  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside N base of San Jacinto Mountains, W of Hwy 111, just E of Snow Creek Road. Comment
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Jan 23 2010
  UCR149415  Arundo donax S. J. Myers 1996-6-6 s.n. Riverside Santa Ana River Valley, Santa Ana River, c. 0.5 mi west of Rubidoux Nature Center Comment
  UCR117684  Asclepias californica V. W. Steinmann, D. L. Banks 1997-3-13 1199 Riverside Agua Tibia Mtns., N of Hwy 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 550 Comment
  SDSU2736  Asclepias erosa D. F. Howe 1963-5-15 3482 Riverside 18 miles east of Desert Center on U.S. 60 or 70. 152 Comment
  POM48555  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  SBBG58650  Asclepias subulata R. H. Nordhoff 1940-11-10 608 Riverside near Thousand Palms Cyn Comment
  SDSU2729  Asclepias subulata D. F. Howe 1963-5-15 3480 Riverside 26.5 miles west of Desert Center on #195. 457 Comment
  CAS-BOT-BC477877  Asteraceae J. H. Thomas 1949-2-28 60 Riverside Southern part of Palm Springs. Comment
  SD119377  Astragalus bicristatus Reid Moran 1973-7-28 21111 Riverside On north slope of Toro Peak, Santa Rosa Mountains. 2310 Comment
  UCR116420  Astragalus coccineus A. C. Sanders 1974-1 00308 Riverside Santa Rosa Mtns., south of Hwy 74 near Pinyon Flats, along the Cactus Spring Trail between the dolomite mine and Horsethief Creek 1220 Comment
  UC69648  Astragalus crotalariae T. W. Minthorn 1905-1-15 7 Riverside Indio; ; <near Los Angeles> Comment
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Jun 6 2011
  RSA617823  Astragalus didymocarpus R. E. Riefner 1998-3-22 98 -187 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  RSA525249  Astragalus didymocarpus var. didymocarpus Steve Boyd, T. S. Ross 1990-5-11 4627 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA689493  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  CAS-BOT-BC182644  Astragalus douglasii Scott D. White 1996-8-1 4422 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. San Jacinto Mts. 1830 Comment
  UCR251991  Astragalus douglasii A. C. Sanders, T. B. Salvato 2014-7-2 41162 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA415492  Astragalus douglasii var. parishii Robert Kessler 1921-9-1 s.n Riverside Summit of Tahquitz. 2439 Comment
  SEINET948244  Astragalus douglasii var. parishii D. Bramlet 1990-1 2040 Riverside Approximately 915m south of Hwy 79 and 152m south of the Dripping Springs Campground. The site is 30m east of the main wash. Vail Lake 7.5 USGS Quadrangle. 494 Comment
  RSA415713  Astragalus filipes N. C. Cooper 1944-7-15 1595 Riverside Palms to Pine Hwy 1463 Comment
  UCR124650  Astragalus lentiginosus var. coachellae B. C. Templeton, I. W. Clokey 1930-4-9 1072 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  RSA0029318  Astragalus lentiginosus var. variabilis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4692 -C Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  POM13864  Astragalus pachypus var. jaegeri P. A. Munz 1922-4-29 5118 Riverside East of Dripping Spring, near Temecula Creek 609 Comment
  RSA525233  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross 1990-5-11 4610 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  POM13586  Astragalus palmeri P. A. Munz 1922-4-13 4935 -a Riverside Eagle Mountains 274 Comment
  RSA27336  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin. Comment
  SBBG28436  Astragalus palmeri D. Myrick 1964-4-30 821 Riverside Hwy 74, 15 mi W of Palm Desert 1219 Comment
  UC863206  Astragalus palmeri P. A. Munz, I. M. Johnston 1922-5-7 5271 Riverside Keyes Ranch Little San Bernardino Mtns, Keyes Ranch (Little San Bernardino Mtns, sandy desert plain) 1066 Comment
  CAS-BOT-BC194168  Astragalus pomonensis F. R. Lawson 1930-3-18 R 16 Riverside Cabazon 563 Comment
  CHSC110689  Astragalus pomonensis Dean Wm. Taylor 2003-5-7 18539 Riverside Railroad Canyon, San Jacinto River (1.9 river miles upstream from maximum pool level for Railroad Canyon Reservoir). 426 Comment
  CSUSB1293  Astragalus pomonensis Markell Kohn 1959-4-1 Riverside 2 miles south of UCR (University of California, Riverside) in wash. 150 yards east of Canyon Crest Drive (dirt road). 20 yards north of plinking (target practice) area. Comment
  CLARK-A1528-2762  Astragalus tricarinatus John C. Roos 1967-3-25 Riverside Whitewater Canyon 457 Comment
  POM48357  Athyrium filix-femina P. A. Munz, I. M. Johnston 1924-7-27 8794 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA692505  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA692514  Athyrium filix-femina subsp. cyclosorum I. W. Clokey 1935-8-21 6504 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA0120242  Athysanus pusillus Duncan S. Bell 2016-4-14 9275 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCR112953  Athysanus pusillus B. G. Pitzer 1998-3-1 3552 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  RSA489175  Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR101566  Atrichoseris platyphylla Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR130124  Atrichoseris platyphylla Scott D. White 2001-4-3 8223 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR167264  Atrichoseris platyphylla 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
  POM278705  Atriplex canescens Grant D. Brown 1950-12-2 578 Riverside Temescal Wash at entrance to Cajalco Canyon, SE of Corona. 274 Comment
  SEINET269097  Atriplex canescens Scott D. White 1995-8-23 3590 Riverside San Jacinto River wash, just N of Florida Ave. (City of Hemet) near intersection w/ Schultz. USGS Blackburn Cyn 550 Comment
  UC850760  Atriplex canescens Carl B. Wolf 1932-10-13 4302 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  UCR109572  Atriplex canescens R. D. Goeden, Don W. Ricker 1978-11-16 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  SD60268  Atriplex canescens var. laciniata Carl B. Wolf 1932-10-13 4316 Riverside Caleb 4.5 miles southeast of Mecca. 60 Comment
  SD174862  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4315 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of jct Ellis Avenue and first road east of I-215. Perris 7.5' quad. Plants in open scald areas. 427 Comment
  OBI17313  Atriplex hymenelytra H. E. McMinn 1937-3-6 5014 Riverside River road about 40 mi N of Blythe Comment
  SBBG65383  Atriplex hymenelytra S. W. Hutchinson 1928-2-1 107 Riverside Thousand Palms 243 Comment
  SEINET11940360  Atriplex lentiformis T. J. Crovello 1963-1 298 Riverside Just W of State Highway 111, on Avenue 64, N of Mecca Comment
  RSA351415  Atriplex muelleri J. C. Roos 1965-10-17 s.n. Riverside 20 miles west of Blythe Comment
  CAS-BOT-BC176536  Atriplex polycarpa S. B. Parish 1912-6-28 8116 Riverside Near Mecca, upper end Salton Sea Comment
  SBBG29999  Atriplex polycarpa F. W. Peirson 1917-4-1 1812 Riverside Palm Springs Comment
  RSA737228  Atriplex prostrata Justin M. Wood 2008-9-22 148 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR110401  Atriplex suberecta A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23184 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR144155  Atriplex suberecta Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  UCR114340  Atriplex triangularis Mitch Provance, S. D. Boyd 1999-9-14 1781 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UCR2187  Avena fatua F. M. Reed 1906-10-22 1198 Riverside Riverside, Blaine Street near Chicago Avenue 287 Comment
  RSA552715  Avena fatua Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  CAS-BOT-BC213221  Ayenia compacta Frank W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs Region 457 Comment
  JEPS2495 Image available Ayenia compacta W. L. Jepson May 17 1901-Jun 1 1901 1407 Riverside Palm Canyon, San Jacinto, Southern California Comment
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Sep 26 2010
  POM9853  Ayenia compacta E. C. Jaeger 1921-11-29 s.n. Riverside Tahquitz Canyon. 305 Comment
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Apr 30 2011
  SEINET5510176 Image available Ayenia compacta Annie M. Alexander, Louise Kellogg 1941-1 2236 Riverside Eagle Mountains, Monsen Canyon 823 Comment
  UCR146486  Azolla filiculoides Scott D. White, Angelia Carey 2004-9-16 10762 Riverside San Jacinto Mountains foothills, Indian Creek; (Lake Fulmor) 567 Comment
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Aug 22 2020
  IRVC522  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-5-28 SJ 37 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  UCR117216  Baccharis salicifolia B. G. Pitzer 2000-4-20 4123 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR174351  Baccharis salicifolia A. C. Sanders 2006-5-19 32392 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
  UCR91716  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18109 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  JEPS21286  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1581 Riverside near Corona Comment
  CAS-BOT-BC334468  Baccharis sergiloides A. C. Sanders; T. B. Salvato; Ana Hernandez; Karyn Drennen; Angela Collada 2013-10-2 40954 Riverside Peninsular Range: Wilson Valley Preserve, 0.35 air mi S of Wilson Valley Rd and 0.8 mi E of Sage Rd., 1.4 mi E (93 deg. ) of Round Top Mountain 739 Comment
  CAS-BOT-BC99872  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Canyon at Pinyon Well, Little San Bernardino Mts. (Conchilla Mts.) 1219 Comment
  JOTR29285  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 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
  JOTR36095  Baccharis sergiloides La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3373 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  RSA592691  Baccharis sergiloides Scott D. White, D. Haselfeld 1996-7-2 4274 b 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
  UC1118933  Baccharis sergiloides H. S. Yates 1936-6-4 5413 Riverside Palm Springs San Jacinto Quad. 137 Comment
  UCR109457  Baccharis sergiloides A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UC1929882  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Comment
  OBI15350  Bahiopsis parishii H. E. McMinn 1935-6-27 4063 Riverside Palms to Pines Comment
  UCR172262  Baileya multiradiata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  CAS-BOT-BC99952  Baileya pauciradiata Lewis S. Rose 1935-12-22 35684 Riverside 2 mi. E. of Palm Springs 91 Comment
  CAS-BOT-BC99969  Baileya pauciradiata Ira L. Wiggins 1938-3-19 8900 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  POM15186  Baileya pauciradiata Mary F. Spencer 1922-4-11 1953 Riverside Palm Springs, Colorado Desert 122 Comment
  RSA4918  Baileya pauciradiata C. B. Wolf 1932-4-28 3080 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  RSA92874  Baileya pauciradiata F. W. Peirson 1926-2-22 6503 Riverside Thousand Palm Canyon, Coachella Valley 122 Comment
  UCR156472  Barbarea orthoceras T. B. Salvato, A. C. Sanders 2005-5-17 887 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
  UCR275528  Bassia hyssopifolia A. C. Sanders, Karen Kirtland 2016-9-23 42627 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR167806  Bebbia juncea T. B. Salvato, Melissa Clemons 2005-6-23 1311 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR41337  Bebbia juncea N. M. Fellows 1984-11-12 26 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  UC123563  Bebbia juncea var. aspera F. M. Reed 1908-7-14 2451 a Riverside near Oak Knoll (on road to Idyllwild); San Jacinto Mountains 914 Comment
  SEINET3862255  Beloperone californica Lewis S. Rose 1955-3-14 55021 Riverside Palm Springs.; 0 137 Comment
  JOTR32874  Bernardia incana La Doux, Tasha, E. Babich 2008-3-5 3017 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 3mi NE of Cottonwood Visitor Center; open rocky bajada/pediment 1085 Comment
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Jan 19 2014
  CLARK-A1528-1654  Bidens pilosa John C. Roos 1965-8-18 Riverside Corona Comment
  RSA198974  Blennosperma nanum R. F. Thorne 1968-4-18 37444 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  CSUSB942  Bloomeria crocea R. D. Keys 1973-5-13 Riverside Box Springs Mountains Pigeon Pass Road, 1 mile above Riverside dump, 100 feet south of road along spring, in the Box Springs Mountains. 304 Comment
  JEPS5208  Bloomeria crocea W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1334 Riverside Van Deventer's Ranch Comment
  UC1595596  Bloomeria crocea Steve Boyd and Tim Ross 1990-5-11 4617 Riverside Vail Lake area Cleveland National Forest, Agua Tibia Mtn. (base of mt., e of Dripping Springs campground, s of Hwy 79) 548 Comment
  UC1929408  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCR16045  Bloomeria crocea var. crocea Steve Kulju 1974-5-16 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, Tenja Rd. near Murrieta, 9.5 mi SW of Washington Ave 549 Comment
  CLARK-A1528-5700  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  UCR250929  Boerhavia triquetra var. intermedia Kristin Forgrave, Joshua Paolini 2013-8-7 28 Riverside Colorado (Sonoran) Desert, Ford Dry Lake, just north of I-10 109 Comment
  UCR211549  Boerhavia wrightii Jim Andre, T. La Doux 2008-9-13 10259 Riverside Sonoran (Colorado) Desert, Palen Valley, along west side of Hwy 177, east side of Coxcomb Mountains, just west of Palen Valley Sand Dunes area, east boundary of Joshua Tree National Park 205 Comment
  RSA613138  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SDSU17737  Bothriochloa barbinodis D. C. Estrella, M. G. Simpson 2002-4-20 30 Riverside Santa Margarita Ecological Preserve. 229 Comment
  RSA0099443  Bouteloua aristidoides Duncan S. Bell, Evan Meyer 2014-10-29 7695 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR17722  Bouteloua barbata Paul Mack, Hap Ritter 1976-10-16 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. 244 Comment
  UCR230604  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  SD144090  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR41527  Bowlesia incana A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6083 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR49219  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR92235  Bowlesia incana D. L. Banks, Steve Boyd 1995-3-16 0103 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove. 610 Comment
  CLARK-A1528-5381  Brandegea bigelovii John C. Roos 1963-10-23 Riverside Comment
  RSA394245  Brandegea bigelovii M. B. Dunkle 1934-2-25 3847 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  UCR251647  Brandegea bigelovii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 760 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  HSC6599  Brassica juncea C. E. Fellows 1965-4-13 55 Riverside 5 mi. N of Palm Springs city limits on Hwy. 111, 1.5 mi. W on Snow Creek Rd. Comment
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Jun 9 2013
  UCR211714  Brassica kaber Fred M. Roberts, D. E. Bramlet, Kerry Byrne 2006-4-20 6320 Riverside Perris Basin, Upper Salt Creek watershed, southwest of Hemet, 2 km southeast of Winchester, south of Domenigoni Parkway 448 Comment
  CAS-BOT-BC36846  Brassica tournefortii John H. Thomas 1949-2-28 46 Riverside Between Banning and Palm Springs. Comment
  RSA155554  Brassica tournefortii L. S. Rose 1962-3-2 62006 Riverside La Quinta 3 Comment
  UCR239805  Brassica tournefortii O. F. Clarke 2004-2-25 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, Two Trees Canyon 412 Comment
  UCR85240  Brassica tournefortii A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al. 1995-3-5 15997 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
  UC1523404  Brickellia atractyloides Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54075 Riverside 3.2 mi n, w of Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernardino Mts. 609 Comment
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Jan 14 2010
  CAS-BOT-BC106194  Brickellia desertorum S. B. Parish 1896-4-2 s.n. Riverside Andreas Canyon, Palm Springs - Colorado Desert Comment
  UC186052  Brickellia incana E. E. Schellenger 1894-12-4 98 Riverside 2 mi w of Wells (Chuckawalla Wash, Colorado Desert); Colorado Desert, Chuckawalla Wash Comment
  UCR217654  Brodiaea filifolia Karyn L. Drennen, Ana Hernandez 2010-5-12 013 Riverside Santa Ana Mountains foothills, Santa Rosa Plateau, south edge of Mesa de Colorado, 760 m east-southeast of Via Volcano/Avocado Mesa Road intersection, 250 m east of Via Volcano, 50 m north of dirt road 627 Comment
  UCR157593  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16220 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA750752  Bromus carinatus Scott D. White, Justin M. Wood 2009-5-22 12896 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SBBG56633  Bromus carinatus R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1645 Comment
  UC1130968  Bromus carinatus var. carinatus H. S. Yates 1937-6-27 6715 Riverside near Idlewild 1615 Comment
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Jan 19 2010
  UC37668  Bromus carinatus var. carinatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2133 Comment
  UCD58354  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. Comment
  RSA673731  Bromus diandrus Scott D. White, Bill La Haye 2000-5-27 7958 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR158271  Bromus diandrus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29502 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR90825  Bromus diandrus A. C. Sanders, G. K. Helmkamp 1996-3-17 17988 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  UCR92141  Bromus diandrus D. L. Banks, Steve Boyd 1995-5-3 201 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
  RSA179507  Bromus diandrus E. W. Lathrop 1959-5-17 4535 -A Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  RSA598036  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mountains: Tahquitz Valley. 2439 Comment
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Jun 3 2008
  UCR114304  Bromus hordeaceus Julie A. Greene 1993-4-17 1227 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  SD146100  Bromus madritensis subsp. rubens B. Pitzer, J. Ross 1998-3-8 3595 Riverside 395 Comment
  RSA799068  Bromus rubens Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  POM363958  Bromus rubens N. R. Zabriskie 1971-4-9 377 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  RSA495420  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2892 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA660233  Bromus rubens M. Duke, Christy Hightower, C. McElroy 1982-5-15 10 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  CAS-BOT-BC185645  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  CDA37834  Bromus tectorum Unknown Collector 2012-5-1 PDR# 1590361 Riverside Anza; Peony Gardens Nursery, 59880 Anzanita Lane near Burnt Valley Road. 0 Comment
  UCR115995  Bromus tectorum A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23317 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  JEPS54869  Caesalpinia virgata W. L. Jepson 1927-4-12 11634 Riverside Mecca, Painted Canyon Colorado Desert, Mecca, Painted Canyon Comment
  RSA697936  Caesalpinia virgata J. Russell Bruff 1929-12-27 446 Riverside 1000 Palms. Comment
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Nov 9 2011
  RSA612686  Calandrinia ciliata D. L. Banks 1997-3-29 1612 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UC1536040  Callitriche longipedunculata Robert F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau-Mesa de Colorado 609 Comment
  POM13642  Callitriche marginata P. A. Munz 1922-5-5 5163 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  MACF019487  Calocedrus decurrens Trudy R. Ericson 1974-11-9 265 Riverside St. 243 from Banning to Idyllwild about 1 mi. south of intersection of St. 243 and Vista Grande Road. 1645 Comment
  CLARK-A1528-21  Calochortus concolor C. M. Flanagan 1973-5-31 OO 614 Riverside Morongo Indian Reservation 914 Comment
  RSA377347  Calochortus concolor N. C. Cooper 1944-7-15 1565 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UC729646  Calochortus plummerae Carl B. Wolf 1932-5-25 Riverside 1.5 mi sw Summit of Moreno Grade (sw of Beaumont); Bad Lands 548 Comment
  RSA501010  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3129 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
  RSA674935  Calochortus splendens Scott D. White 2000-5-30 7969 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El centro Rd jtn. Adv to new housing construction. Alluvial terrances with steep, incised channels. 335 Comment
  UCR135840  Calochortus splendens A. C. Sanders 2004-4-20 27543 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CAS-BOT-BC483506  Calochortus splendens Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Canyon, Highway 74, San Juan Mts. 609 Comment
  RSA77211  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2189 Riverside Dripping Spring southeast of Temecula 457 Comment
  RSA388336  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  JOTR31125  Calycoseris parryi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2507 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline south of Quail Mountain peak with steep, north facing slopes (Stop 4) Comment
  SD27985  Calycoseris parryi Carl B. Wolf 1932-4-29 3107 Riverside Blythe, Rice Road; 9 miles south of Brown's Well. 800 Comment
  JEPS30622  Calycoseris wrightii Donald Kyhos 1958-2-15 58 -10 Riverside se of Desert Center (Corn Springs Wash); Chuckawalla Mts., Corn Springs Comment
  UC68981  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UCR213256  Calycoseris wrightii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37457 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  CLARK-A1528-3815  Calyptridium monandrum John C. Roos 1952-4-23 5581 Riverside Box Springs Mountains Comment
  UCR220119  Calyptridium monandrum D. E. Bramlet 1989-4-7 1819 A Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  RSA65431  Calyptridium parryi var. parryi E. C. Jaeger 1921-7-8 5441 Riverside Tahquitz Valley 2104 Comment
  SDSU17440  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 379 Riverside San Jacinto Wilderness State Park, Round Valley Campsite. Ca. 50 meters east of stone buildings near trail junction, along west edge of Round Valley. 2755 Comment
  SJSU8754  Calystegia macrostegia subsp. tenuifolia T. G. Balgooyen 1966-4-5 Riverside roadside 10 mi W of Hemet Comment
  SEINET4680880  Camissonia bistorta R. L. Piemeisel 1913-5-2 3559 Riverside Crestmore field.; 0 Comment
  UCR138138  Camissonia bistorta D. L. Banks, V. W. Steinmann 1997-3-13 1454 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR43177  Camissonia bistorta B. G. Pitzer 1986-5-6 0205 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  UCR93824  Camissonia bistorta P. J. MacKay 1996-6-15 003 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA465932  Camissonia bistorta E. C. Jaeger s.n. Riverside [No location information on label.] Comment
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Nov 6 2011
  RSA789359  Camissonia brevipes Aaron C. Sedgwick, David Fraker 2012-3-28 19 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  JOTR31773  Camissonia brevipes subsp. brevipes Andre, Jim, Tasha La Doux 2009-3-10 11242 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA485834  Camissonia brevipes subsp. brevipes T. S. Elias 1988-2-26 10678 Riverside Eagle Mountains. East of Joshua Tree National Monument. Comment
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Mar 21 2011
  RSA703410  Camissonia brevipes subsp. brevipes LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1408 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  HSC16493  Camissonia californica R. A. Eagle 1964-3-28 22 Riverside 6.3 mi. out of Palm Springs on the Thunderbird Rd. Comment
  RSA523538  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3998 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA550039  Camissonia californica Walter Wisura, A. King, L. Newcomb 1992-4-10 4668 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  POM12118  Camissonia cardiophylla Mary F. Spencer 256 Riverside Mecca. Colorado Desert. -60 Comment
  RSA651859  Camissonia cardiophylla David B. Dunn 1948-2-21 3665 Riverside Pushwalla Comment
  RSA776689  Camissonia cardiophylla Duncan S. Bell, Amanda Turek 2010-4-10 794 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA784955  Camissonia cardiophylla Duncan S. Bell 2012-2-12 3113 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CLARK-A1528-659  Camissonia cardiophylla subsp. cardiophylla Ronald K. Pidot 1962-3-23 Riverside Mecca Comment
  UCR249518  Camissonia claviformis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7283 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
  RSA135223  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11425 Riverside United States Highway 99 [Hwy 10], 6.5 miles north-west of Indio. Comment
  RSA341998  Camissonia claviformis subsp. aurantiaca Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge. 1980-4-16 54118 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA448932  Camissonia claviformis subsp. aurantiaca G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert. Comment
  UCR196373  Camissonia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR118640  Camissonia confusa George K. Helmkamp 1998-4-3 3065 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR41325  Camissonia confusa N. M. Fellows, A. C. Sanders 1985-4-9 121 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA618175  Camissonia hirtella D. L. Banks 1997-5-5 2011 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA676129  Camissonia hirtella Scott D. White 2001-4-13 8328 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR118782  Camissonia hirtella A. C. Sanders, T. B. Salvato 2000-5-25 23427 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
  UCR132486  Camissonia hirtella Tracy Tennant, T. B. Salvato 1998-6-23 477 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  RSA543866  Camissonia ignota Steve Boyd 1991-5-13 6248 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA33885  Camissonia pallida subsp. hallii N. C. Cooper 1945-5-24 1645 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
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May 13 2011
  RSA465911  Camissonia pallida subsp. hallii N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  RSA278984  Camissonia pallida subsp. pallida Barry A. Prigge, L. Martinez 1978-3-23 2437 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA775298  Camissonia refracta Duncan S. Bell 2011-3-18 2059 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR86867  Camissonia refracta A. C. Sanders, K. Rose 1995-4-27 16743 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  IRVC26247  Camissonia strigulosa A. C. Sanders, D. Malueg 2003-5-8 26561 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  UCR26486  Camissonia strigulosa A. C. Sanders 1981-5-20 2123 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR166110  Camissoniopsis hirtella A. C. Sanders 1994-5-29 14570 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  UC1536962  Capsella bursa-pastoris Gordon H. True Jr. 1935-2-22 569 Riverside Gavilan Hill; Gavilan Hills 548 Comment
  SD217249  Cardamine californica Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6636 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  CAS-BOT-BC17706  Carex alma Philip Alexander Munz 1941-5-18 16652 Riverside Elsinore Mountains. North end of Santa Rosa Ranch, 914 Comment
  UC1254603  Carex douglasii James E. Cole 1941-5-17 726 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  POM6821  Carex multicostata Phillip A. Munz, L. T. Street 1919-5-7 2742 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
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Jul 2 2008
  RSA633879  Carex nebrascensis Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38142 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 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
  CDA35222  Castela emoryi T. C. Fuller 1962-10-2 9697 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  POM8059  Castela emoryi Childs 1920-5-15 s.n. Riverside Hayfields'' at Northern end of Colorado Desert. Comment
  RSA773593  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-14 1305 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA773666  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-20 1029 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  SEINET7063463  Castilleja exserta A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR21985  Castilleja exserta Steve Boyd 1980-4-8 115 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  GMDRC6583  Castilleja foliolosa J. M. Andre 2012-6-15 30545 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA552740  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6672 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  SEINET1906673  Castilleja foliolosa T. B. Salvato, John F. Green 2004-1 633 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. 1402 Comment
  SJSU11468  Castilleja foliolosa N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 6 mi E of E shore Lake Elsinore Comment
  UCR121243  Castilleja foliolosa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2264 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SFV13137  Castilleja minor subsp. spiralis M. J. Thor 1982-9-16 126 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UCR71902  Castilleja minor subsp. spiralis Steve Morgan, H. M. Soldan 1992-5-25 92- 2 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  UCR95963  Castilleja minor subsp. spiralis Scott D. White 1996-8-1 4424 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CDA6525  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region; Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. Comment
  SBBG101793  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6122 Riverside Vail Lake region, summit of Oak Mtn, N of lake near Henderson Benchmark Comment
  RSA562428  Caulanthus lasiophyllus var. rigidus D. Bramlet 1993-4-13 2323 a Riverside Approxiamtely 61m S of the existing Lake Mathews access road, some 549m N of Cajalco road, in the Cajalco bend area. The site is 1.2km W of Lake Mathews Drive. Comment
  UCR120846  Caulanthus lasiophyllus var. rigidus D. E. Bramlet 1999-4-18 2736 Riverside Gavilan Hills, Lake Mathews-Estelle Mtn. Reserve, Cajalco Bend area, 107 m south of Cajalco Rd. and 1.37 km west of Lake Mathews Dr. 341 Comment
  HSC79765  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside 33 (air) mi. E of Temecula, 5-7 mi SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon 762 Comment
  SBBG122768  Caulanthus simulans A. Parikh 1990-4-27 160 Riverside SW of Crown Valley, W or Rawson Cyn, 1.9 km SW of jct of Crown Valley Rd and Rawson Rd 730 Comment
  RSA3118  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  SEINET12209849  Ceanothus cuneatus E. A. Purer 1935-1 6444 Riverside Pine Valley, Pines to Palms Hwy Comment
  UC1070672  Ceanothus greggii R. St. John 1929-2-28 9 Riverside 2 mi e Indian Creek; San Jacinto quad., San Bernardino National Forest 1219 Comment
  RSA399853  Ceanothus greggii var. perplexans A. Menke 1955-4-28 s.n. Riverside Near Barton Peak Lookout. San Jacinto Mts. Comment
  RSA6732  Ceanothus greggii var. perplexans B. D. Stark 1933-4-2 4533 Riverside Palm to Pines Road, Pinyon Flats. 1220 Comment
  UC1929728  Ceanothus integerrimus Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1698 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek just N of junction with Dark Canyon. Comment
  JEPS42394  Ceanothus leucodermis C. V. Meyer June 1927 136 Riverside Saunder's Meadow San Jacinto Mts. Comment
  OBI5802  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts 1-6/10 mi S of Idylwild on road to Tauquitz Lodge 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
  UC1292595  Ceanothus leucodermis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23109 Riverside on road to Elsinore 10 mi n Pala; n of Pala Comment
  UCD112263  Ceanothus leucodermis R. Tofsrud 1951-4-25 s.n. Riverside Santa Ana Mts. Above Elsinore. 304 Comment
  UCR155339  Ceanothus leucodermis A. C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA16499  Ceanothus oliganthus Percy C. Everett 1935-6-18 7208 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  CAS-BOT-BC63565  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7194 Riverside Santa Ana Mts., main divide motorway to Santiago Pk., 1 mi. from Ortega Highway. 731 Comment
  RSA0005507  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3020 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  SEINET13946084 Image available Ceanothus sorediatus Dave Hawks 1987-1 s.n. Riverside S. of Hemet, intersection of Palm Ave. and Saddle Ridge Trail. 472 Comment
  RSA282962  Ceanothus tomentosus var. olivaceus Lyman Benson 1933-3-31 4143 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA398968  Ceanothus tomentosus var. olivaceus M. V. Hood 1945-3-28 s.n. Riverside Summit of grade between Hemet and Hwy. 71 just of Hwy. 79. Comment
  UCR112478  Cenchrus echinatus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23326 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  CLARK-A1528-2043  Centaurea melitensis Cary Brown 1964-4-22 Riverside Riverside 274 Comment
  UC30938  Centaurea melitensis Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR158265  Cerastium glomeratum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30112 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1045-152  Cerastium viscosum George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  CAS-BOT-BC135493  Cercocarpus betuloides var. betuloides James R. Shevock 1976-11-24 5384 Riverside Along Calif. Highway 74 near El Cariso Station - Santa Ana Mountains, Cleveland National Forest 670 Comment
  RSA208927  Cercocarpus minutiflorus Theadore H. Mortenson 1967-5-5 1516 Riverside North facing hillside in back of the Tenaja Guard Station, Santa Rosa Plateau region near Murietta. Comment
  UCD130218  Chaenactis artemisiifolia 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 W of Wilson Creek. 854 Comment
  UCR262260  Chaenactis artemisiifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3725 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  SBBG25008  Chaenactis carphoclinia D. Myrick 1966-4-1 1349 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UCSB7217  Chaenactis carphoclinia Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  LA203110  Chaenactis carphoclinia var. carphoclinia Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  RSA4876  Chaenactis carphoclinia var. carphoclinia C. B. Wolf 1932-4-27 2992 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  JEPS8867  Chaenactis fremontii W. L. Jepson 1901-5-22 1501 Riverside upper end Palm Canyon 1219 Comment
  POM6569  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, between Whitewater and Cabazon. Comment
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Mar 13 2011
  RSA145913  Chaenactis fremontii William McKinley Klein 1958-2-11 33 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  RSA778139  Chaenactis fremontii J. Andre 2011-2-2 16212 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
  SD232175  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR132866  Chaenactis fremontii Kent Beaman 1983-4-2 02 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  SEINET2049369 Image available Chaenactis glabriuscula Ricardo Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. T7S, R1W, sec. 30. 610 Comment
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  HSC87021  Chaenactis glabriuscula var. glabriuscula K. Harper 1988-5-14 Riverside San Jacinto Mtns.; road to the N of Castile Canyon Dr. at Poppet Fla, off Hwy. 243 Comment
  LA83500  Chaenactis glabriuscula var. glabriuscula O. H. Kappler; 1950-4-1 2039 Riverside Cabazon, E of Banning 655 Comment
  RSA1551  Chaenactis glabriuscula var. glabriuscula J. T. Howell 1928-7-9 1067 Riverside San Juan Canon Rd., Elsinore Mts. 610 Comment
  RSA619539  Chaenactis glabriuscula var. glabriuscula Darin L. Banks 1997-5-5 1988 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
  UC1537042  Chaenactis glabriuscula var. glabriuscula Gordon H. True Jr. 1935-5-15 112 Riverside Box Springs 34 Comment
  UCR201491  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UC217943  Chaenactis stevioides P. A. Munz and D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley Colorado Desert, Chuckawalla Valley 152 Comment
  UC667274  Chaenactis stevioides Annie M. Alexander and Louise Kellogg 1941-5-11 2149 Riverside 1.5 mi n of Cottonwood Spring; Colorado Desert, Eagle Mountains, Cottonwood Spring 975 Comment
  UCD20144  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -11 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  POM13922  Chaenactis stevioides var. stevioides P. A. Munz, D. D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  RSA651898  Chamaesyce albomarginata W. H. Grady 1948-4-24 s.n. Riverside Found 8 mi. west of Riverside at edge of dry grain field. 243 Comment
  UC406706  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside e Desert Center Comment
  RSA778320  Chamaesyce micromera Amber Swanson, Kyle Dexter 2011-10-8 633 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  RSA432416  Chamaesyce ocellata M. B. Dunkle 1933-3-4 3061 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA781419  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2999 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA576451  Chamaesyce polycarpa var. hirtella Marjorie D. Clary 1937-3-7 2785 Riverside Road to Fargo Canyon, Little San Bernardino Mts., north side of Colorado Desert; 244 Comment
  UC64183  Chamaesyce serpyllifolia H. M. Hall 1901-6-1 2183 Riverside Thomas Valley San Jacinto Mtns 1371 Comment
  RSA433505B  Chamaesyce setiloba C. Epling 1934-10 s.n. Riverside Palms to Pines Hwy. Comment
  IRVC3123  Cheilanthes clevelandii R. H. Whittaker, W. A. Niering 1963-6-2 SJ 172 Riverside Mountain Center-Hemet Highway [74]. Peninsular Ranges, San Jacinto Mountains 1128 Comment
  POM12438  Cheilanthes clevelandii P. A. Munz 1922-4-30 5129 Riverside Tuscalota Creek, south of Hemet. Comment
  UC218620  Cheilanthes clevelandii S. B. Parish 1918-4-3 11690 Riverside mouth of San Jacinto River Canyon 914 Comment
  UCR261104  Cheilanthes clevelandii Joseph Cahill 2011-1-8 111- 06 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  CAS-BOT-BC70037  Cheilanthes covillei Frank W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region 457 Comment
  RSA0123694  Cheilanthes covillei Duncan S. Bell, LeRoy Gross 2016-3-30 9161 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  CAS-BOT-BC70296  Cheilanthes newberryi I. M. Johnston 1920-5-8 2265 Riverside Box Springs Grade Comment
  RSA180256  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta. Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  RSA636138  Cheilanthes parryi L. C. Wheeler 1964-10-17 8638 Riverside Orocopia Mountains: South of Hayfield Reservoir (lake) Colorado Desert. Comment
  UC433200  Cheilanthes parryi J. G. Lemmon 1876-4-26 Riverside San Gorgonio Pass; Mt San Jacinto Comment
  POM9750  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  SEINET10470380  Cheilanthes parryi David B. Dunn 1948-2-21 Dunn 3692 Riverside Common among the rocks on Northerly slopes of ravines. Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  CAS-BOT-BC70378  Cheilanthes viscida P. A. Munz 1941-10-1 17237 Riverside on Palms to Pines Highway, north base of Santa Rosa Mts. Comment
  SD254593  Chenopodium Jordan Zylstra 2014-8-4 14020 Riverside San Jacinto Mountains: Fobes Canyon wash, adjacent to Fobes Ranch Road (Palm View Peak 7.5'Q) 1483 Comment
  SD187392  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside Indian Creek and adjacent foothills. 548 Comment
  SD70909  Chenopodium album Helen V. Witham 1969-7-2 180 Riverside De Luz Creek crossing, 4 mi north of De Luz. Comment
  UCR99875  Chenopodium album Scott D. White 1996-12-26 4642 Riverside Perris Basin, Perris area 442 Comment
  UCR189546  Chenopodium ambrosioides Fred M. Roberts, S. Leatherman 2007-9-19 6583 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR114542  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1999-6-18 22810 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR167786  Chenopodium berlandieri T. B. Salvato, Gregg Miller 2005-6-3 1388 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR950  Chenopodium berlandieri O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  RSA192154  Chenopodium berlandieri var. sinuatum E. W. Lathrop 1965-5-29 4583 Riverside 14 mi. W of Murrieta. Comment
  SEINET244775  Chenopodium californicum A. C. Sanders, D. Malueg 2002-4-8 27911 Riverside Perris-Aguanga Basin; Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NW Murrieta. 396 Comment
  UCR132954  Chenopodium glaucum subsp. glaucum A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  CLARK-A1656-768  Chenopodium murale Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  RSA519204  Chenopodium murale M. Lee Overholtzer 1962-6-20 272 Riverside Oak Street and Chase Drive, Corona. Comment
  RSA653503  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23682 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., 33 deg 58'30''N, 117 deg 24'10''W 232 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
  RSA455302  Chilopsis linearis H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass. Comment
  UCR265201  Chilopsis linearis April Garbat, Kristin Forgrave 2013-5-29 74 Riverside Sonoran (Colorado) Desert, along Box Canyon Road from Cottonwood Springs Road to Mecca 305 Comment
  LA204148  Chilopsis linearis subsp. arcuata Miss Halflaud; March 1925 6489 Riverside Palm Springs Comment
  RSA0087834  Chilopsis linearis subsp. arcuata Sarah J. De Groot, Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains. 768 Comment
  RSA82479  Chilopsis linearis subsp. arcuata F. W. Peirson 1921-4-13 1173 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 335 Comment
  UCR260163  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake; north of Interstate 10, about a mile southwest of the pumping station 403 Comment
  SEINET9308063  Chloris truncata Unknown 2001-8-30 Riverside Riverside Comment
  CAS-BOT-BC184870  Chloris virgata Lewis S. Rose 1957-1-3 57007 Riverside La Quinta. 15 Comment
  CAS-BOT-BC184873  Chloris virgata S. B. Parish 1913-2-26 8461 Riverside Salton Basin. Mecca. -57 Comment
  RSA519215  Chlorogalum pomeridianum M. Lee Overholtzer 1962-7-4 290 Riverside North end of Cleveland National Forest, Santa Ana Mountains, Santa Ana River Drainage Area. Alt. 4300 ft. 1311 Comment
  CAS-BOT-BC191708  Chorizanthe brevicornu var. brevicornu L. R. Abrams 1926-3-26 11016 Riverside Palm Springs Comment
  JEPS57597  Chorizanthe brevicornu var. brevicornu W. L. Jepson 1901-5-22 1389 Riverside Palm Canyon Mount San Jacinto, Palm Canyon Comment
  UCR87931  Chorizanthe coriacea A. C. Sanders, N. Ferguson 1994-6-2 14634 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UCR175062  Chorizanthe fimbriata Teresa Nieto 2005-5-26 33 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA68300  Chorizanthe fimbriata var. fimbriata Verne Grant, Alva Grant 1951-6-4 16014 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  UCR274147  Chorizanthe leptotheca T. B. Salvato, Gregg Miller 2005-6-7 1431 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
  RSA0092852  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-5-4 2337 Riverside Peninsular Range; Gavilan hills area: south of Lake Mathews, SE of Black Rocks & NW of Monument Peak. 474 Comment
  UCR211705  Chorizanthe polygonoides subsp. longispina Fred M. Roberts, Kerry M. Byrne 2006-5-4 6339 Riverside Perris-Agunaga Basin, West Hemet Hills, 3.2 km west of the west end runway at Hemet Ryan Airport and 1.3 km east-northeast of the junction of Stowe and Winchester Roads 508 Comment
  UCR266278  Chorizanthe polygonoides subsp. longispina D. E. Bramlet, R. E. Riefner Jr., Ileene Anderson 2005-4-19 3809 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  RSA720625  Chorizanthe polygonoides var. longispina Naomi Fraga, Dolores Gault, Tim Thibault, Michael Wall 2005-5-19 1564 Riverside Along trail alongside Elsinore Peak. Comment
  UCR123226  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-15 2328 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 274 m north of Cajalco Road, 1.2 km west of the entrance gate and 213 m south of the access road 439 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
  UCR252817  Chorizanthe procumbens John Dvorak 2011-4-21 015 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Margarita Ecological Reserve, 150 meters east of the Santa Margarita River, 1.7 km west of Via Tornado, 145 meters southwest from end of dirt road 268 Comment
  UCR60787  Chorizanthe rigida Steve Boyd, Orlando Mistretta 1986-3-13 1412 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA339670  Chorizanthe xanti var. leucotheca Robert F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA503356  Chrysothamnus paniculatus S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  UCR89704  Chrysothamnus paniculatus J. M. Stewart 1990-10-28 672 Riverside Sonoran Desert. Colorado Desert, Eagle Mountains Comment
  UC1184298  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11436 Riverside desert alluvial fan Fargo Canyon Comment
  UC1546706  Chylismia brevipes subsp. brevipes Barry A. Prigge 1988-2-21 7837 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  SBBG119106  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside Joshua Tree Nat Monument, ca. 1 mi S of the S park entrance Comment
  UCD103873  Chylismia claviformis R. W. Scora 1966-4-1 3009 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  CAS-BOT-BC160591  Chylismia claviformis subsp. aurantiaca A. N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Coachella Comment
  GMDRC9795  Chylismia claviformis subsp. aurantiaca J. M. Andre 2017-3-1 37997 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  UC1007236  Chylismia claviformis subsp. aurantiaca P. A. Munz 1940-3-24 15711 Riverside wash 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  UC1184368  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11746 Riverside US Hwy 95 8.6 mi n Blythe Comment
  UC1922422  Chylismia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SBBG61420  Chylismia walkeri subsp. tortilis M. N. Ackley -Mar-1928 762 Riverside between Indio and Palm Springs 60 Comment
  RSA618420  Cirsium occidentale var. californicum D. L. Banks 1997-5-5 1956 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  SDSU13526  Cirsium occidentale var. californicum W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR136249  Cirsium occidentale var. californicum A. C. Sanders 2004-4-20 27573 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  POM301814  Cirsium occidentale var. venustum James E. Cole 1942-5-10 958 Riverside Joshua Tree National Monument 1341 Comment
  CAS-BOT-BC438669  Cistanthe ambigua S. B. Parish; W. F. Parish 1881-3-1 1188 Riverside Indio, Colorado Desert Comment
  POM14082  Cistanthe monandra P. A. Munz, D. Keck 1922-4-14 4980 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA33775  Cistanthe monandra N. C. Cooper 1944-5-21 1284 Riverside San Jacinto Mountains, West side 915 Comment
  CAS-BOT-BC172424  Clarkia bottae A. J. McC. 1892-5-1 73 Riverside Elsinore Comment
  UCR1639  Clarkia dudleyana R. G. Barber 1962-5-12 98 Riverside Box Springs Mtns., top of Box Spring Mountain, near (south of) the main gorge [Big Springs Canyon] on the W side of the mountain 915 Comment
  UCR165832  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 638 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
  SD140044  Clarkia purpurea Scott White 1993-4-22 1252 Riverside North Alberhill Ranch, in hills North of Walker Canyon. Comment
  CAS-BOT-BC167131  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Santa Ana Mountains: Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  RSA586926  Clarkia purpurea subsp. quadrivulnera D. L. Banks, Steve D. Boyd 1995-5-3 262 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
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  UCR84567  Clarkia similis Steve Boyd 1986-4-19 1705 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA769770  Claytonia parviflora Duncan S. Bell, J. D. England 2010-5-17 1003 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  JOTR35135  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  UCR214581  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37849 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  SDSU13912  Claytonia perfoliata subsp. mexicana Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2106 Riverside Small meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  RSA601196  Clematis ligusticifolia Scott D. White 1996-8-15 4458 Riverside Idyllwild area: Unnamed drainage (tributary to Toll Rd. Cyn.) at crossing w/ USFS Rd. directly W of Isomata. 1540 Comment
  CAS-BOT-BC92820  Clematis pauciflora Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 352 Riverside Andreas Canyon, east slope San Jacinto Mountains. 359 Comment
  SBBG114206  Clematis pauciflora C. Bornstein, E. Collins 1992-4-13 Riverside Hwy 74 (Ortega Hwy) near summit 762 Comment
  RSA440822  Cleome isomeris M. B. Dunkle 1932-3-25 s.n. Riverside Cabazon. Colorado desert. 457 Comment
  CLARK-A1528-2208  Coldenia plicata John C. Roos 1965-6-23 Riverside Comment
  UC1495656  Collinsia concolor R. T. Clausen 1963-4-18 63052 Riverside 10 km se Murrieta (n slope of ridge s of Santa Gertrudis Creek); Transverse Ranges 360 Comment
  UC26576  Collinsia concolor Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mtns Comment
  CLARK-A1045-290  Collinsia heterophylla George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along San Jacinto Ridge Road at Oak Spring turnoff; chaparral; ; Lake Fulmor 7.5'Q 1066 Comment
  UC26636  Collinsia parviflora H. M. Hall May 1901 1810 Riverside in vicinity of Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 1600 Comment
  SBBG53832  Colubrina californica J. C. Roos 1967-11-11 Riverside Chuckwalla Mtns, 3 mi SE of Desert Center Comment
  UCR48519  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UC219572  Corallorhiza maculata P. A. Munz 1922-6-28 5865 Riverside Santa Rosa Santa Rosa Mts. (along creek) 2133 Comment
  RSA0018449  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Ryan Parker 2010-6-15 1310 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1063 Comment
  POM15182  Coreopsis californica Mary F. Spencer 1922-4-10 653 Riverside Snow Creek prope [near] Palm Springs Comment
  UCR207549  Coronilla O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CSUSB946  Coronopus didymus Oscar F. Clarke, James K. Ryan 1969-5-28 Riverside City of Riverside. Yard of 1021 Spruce Street, growing as weed. 335 Comment
  CAS-BOT-BC56685  Coryphantha alversonii Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR158351  Cotula australis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30079 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CHSC463  Crassula connata S. Westerberg 1938-4-1 Riverside Lake Elsinore. Comment
  RSA84912  Crassula connata F. W. Peirson 1920-2-16 1935 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  UCR213279  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37692 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR232785  Crassula connata John F. Green 2008-4-15 0408- 23 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  CDA14402  Cressa truxillensis D. Domenigoni 1997-7-11 Riverside Lake Elsinore. 0 Comment
  CAS-BOT-BC181568  Crossosoma bigelovii Annie M. Alexander; Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon, San Jacinto Mountains 365 Comment
  RSA13753  Crossosoma bigelovii E. C. Jaeger 1921-04 s.n. Riverside Martinez Canyon [east slope, Santa Rosa Mtns. -SW] Comment
  UC990732  Crossosoma bigelovii Roxana S. Ferris 1953-3-10 12600 Riverside about 2 mi n Whitewater Post Office; Whitewater Canyon Comment
  RSA480574  Croton californicus M. B. Dunkle 1933-3-4 3060 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SD187396  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills, along stream 548 Comment
  SFV11883  Croton californicus R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR240991  Croton californicus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 55 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  POM14988  Croton californicus var. mohavensis Mary F. Spencer 1922-3-29 246 Riverside Mecca -49 Comment
  UCR178330  Croton setiger T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 600 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, sag pond at Burro Flats, tree stand P-10 1098 Comment
  SEINET5584422  Cryptantha Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 110 Comment
  RSA336130  Cryptantha angustifolia R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52041 Riverside Just E of Palm Desert. Comment
  SBBG53356  Cryptantha angustifolia J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  SD227778  Cryptantha angustifolia Scott D. White, Pam Devries 1998-2-6 6082 Riverside La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  SEINET3152143  Cryptantha angustifolia G. B. Grant 1906-5-1 239 -A Riverside Collected on Colorado desert at Palm Springs; Southern California Comment
  UCR165811  Cryptantha angustifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA339706  Cryptantha barbigera R. F. Thorne, C. W. Tilforth 1980-5-28 54245 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UC280426  Cryptantha barbigera E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  UCR85255  Cryptantha barbigera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16185 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UCR269846  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2016-3-18 42376 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR24507  Cryptantha costata L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  UCR279375  Cryptantha decipiens A. C. Sanders, Jim Malusa 2017-3-24 42953 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR41535  Cryptantha decipiens A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6049 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  SEINET10939658  Cryptantha flaccida David B. Dunn 1946-3-16 Dunn 2068 Riverside On same sheet as Dunn 2911, UMO 162036. Collected on dry plateau 1/2 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA773125  Cryptantha intermedia Duncan S. Bell, Joy England 2010-6-4 1260 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1430 Comment
  SD227780  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, sandy alluvial slopes among hills on the low pass between Millard Cyn. And Potrero Cr. 750 Comment
  UC402785  Cryptantha intermedia Charlotte M. Wilder 1907-4-6 875 Riverside e end San Gorgonio Pass; Colorado Desert, Whitewater Comment
  UCR117702  Cryptantha intermedia Mitch Provance 1998-6-11 679 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR199560  Cryptantha intermedia Scott D. White 2004-4-26 10270 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR20847  Cryptantha intermedia O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR92795  Cryptantha intermedia Scott D. White 1994-3-29 1939 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  JOTR33862  Cryptantha maritima La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3053 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  UC857184  Cryptantha micrantha Mary F. Spencer 1922-4-16 1918 Riverside Palm Springs Colorado Desert 121 Comment
  POM13688  Cryptantha micrantha var. lepida E. C. Jaeger 1921-6-20 s.n. Riverside Caramba., [Caramba Camp, 5.5 mi southwest of Palm Springs, lat/long and T/R/S below from Durham 1998: Calif. Geogr. Names; elev from Jaeger s label] 1707 Comment
  RSA483571  Cryptantha micrantha var. lepida D. Charlton 1988-5-21 1951 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UCR116613  Cryptantha micrantha var. micrantha A. C. Sanders 2001-3-20 23840 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UC1595623  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside w flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR241245  Cryptantha microstachys Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 503 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCSB41272  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  RSA0089246  Cryptantha muricata Steve D. Boyd, Valerie Soza 2004-6-22 11544 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA699336  Cryptantha muricata J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  OBI66287  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  SDSU18685  Cryptantha nevadensis var. nevadensis Kristen Hasenstab, M. G. Simpson 2008-4-1 50 Riverside Joshua Tree National Park. 500 ft south of Cottonwood Springs campground, growing among Cylindropuntia ramosissima, along path leading to Mastodon Loop Trail. 930 Comment
  SDSU18662  Cryptantha pterocarya f. pterocarya Michael G. Simpson, Kristen Hasenstab 2008-4-2 2950 Riverside Joshua Tree National Park. Wash, just southwest of road to Cottonwood Spring, ca. 0.2 mile northwest of Cottonwood Spring. 902 Comment
  RSA0079019  Cryptantha pterocarya var. cycloptera Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 903 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR82835  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  JOTR30661  Cryptantha utahensis La Doux, Tasha, Jim Andre 2008-3-21 148 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA771788  Cryptantha utahensis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4765 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 W116.65120 604 Comment
  POM11166A  Cryptogramma acrostichoides Philip A. Munz 1922-9-7 6411 Riverside San Jacinto Peak, near the summit 3277 Comment
  RSA289815  Cucurbita palmata B. A. Prigge 1980-9-16 4044 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  UC1134206  Cupressus forbesii H. E. Norton 1931-3-20 40 A Riverside 4 mi se Corona; Corona Quad. 457 Comment
  UCR241607  Cuscuta A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40822 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, intersection of Chuckwalla Valley Rd. and Graham Pass Rd. 124 Comment
  RSA388505  Cuscuta californica Steve Boyd 1986-5-1 1811 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA71003  Cuscuta ceanothi F. W. Peirson 1924-7-29 5036 Riverside Banning to Idyllwild Rd. 1555 Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR24269  Cycloloma atriplicifolium John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, Indio Comment
  OBI9019  Cyclospermum leptophyllum Robert J. Rodin 1953-5-9 8200 Riverside Fairmont Park, Riverside 259 Comment
  SEINET5624469 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  CLARK-A1528-1432  Cymopterus panamintensis var. acutifolius John C. Roos 1948-5-15 3842 Riverside Eagle Mountains Comment
  POM178579  Cymopterus panamintensis var. acutifolius Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  RSA278506  Cymopterus panamintensis var. acutifolius John F. Emmel, Thomas Emmel 1964-3-24 s.n. Riverside Lost Palms Canyon, Joshua Tree Nat. Monument. Comment
  RSA658861  Cymopterus panamintensis var. acutifolius J. C. Roos 1947-2-15 3243 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  UCR230771  Cynanchum utahense A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37499 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
  RSA650408  Cynodon dactylon David B. Dunn 1947-7-12 2966 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
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May 24 2012
  UCR59813  Cyperus erythrorhizos Jeri Hirshberg 1989-7-12 s.n. Riverside Lake Perris: shoreline at east end of lake. 488 Comment
  RSA289840  Cyperus odoratus B. A. Prigge 1980-9-17 4074 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA0127851  Cyperus parishii G. Rink 2012-9-3 11659 Riverside Agricultural fields about 10 miles southwest of Blythe. 70 Comment
  RSA498350  Dalea mollis Martha Hilend 1928-4-15 177 Riverside Thousand Palms Comment
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Sep 10 2011
  SEINET3004993  Dalea mollis G. Rink, M. Baker 2011-4-3 10421 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UC501576  Dalea mollis Frank W. Peirson 1932-3-22 9811 Riverside 20 mi. n. Blythe (on the Needles Rd.) Comment
  RSA717646  Dalea mollissima Scott D. White, Pam De Vries 2006-3-14 11244 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  SD224957  Dalea mollissima G. K. Helmkamp 1998-2-5 2673 Riverside Little San Bernardino Mtns., 3.2 mi N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  SEINET3102116  Dalea mollissima Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17458 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  RSA0018639  Dalea schottii C. P. Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Whittaker transect #W-217. 570 Comment
  POM114602  Dasyochloa pulchella Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA697751  Dasyochloa pulchella W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  SD232669  Datisca glomerata Scott D. White 1996-8-15 4465 Riverside San Jacinto Mts.; Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of aea burned in July 1996. 1524 Comment
  POM292766  Datura discolor Lyman D. Benson, Robert Benson 1952-4-8 14859 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UCR242716  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40433 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  RSA587429  Daucus pusillus D. L. Banks, S. D. Boyd 1995-6-2 573 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  CAS-BOT-BC292008  Deinandra paniculata A. C. Sanders 2004-7-1 28373 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile WNW of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  SBBG119221  Deinandra paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St (Wildomar 7.5' quad: 33 deg 36'49"N, 117 deg 16'43"W) 402 Comment
  UC1746493  Deinandra paniculata A. C. Sanders with D. Malueg, K. D. Jones 2000-9-8 23635 Riverside gasline right of way across Pinto and Hoopes Ranches; Perris-Aguanga Basin Region; gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UCR18681  Delphinium parishii Frank C. Vasek 1973-6-8 730608- 14 Riverside Santa Rosa Mtns, Slope above Garnet Queen Creek Comment
  RSA0020483  Delphinium parishii subsp. parishii N. R. Zabriskie 1973-4-5 619 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  RSA0020491  Delphinium parishii subsp. parishii Donald A. Johansen, Joseph A. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  UCD96283  Delphinium parryi R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR140299  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR156481  Delphinium parryi Jason L. Hlebakos 2005-5-3 619 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  SBBG35010  Delphinium parryi subsp. parryi T. L. Secrest 1951-5-18 Riverside San Jacinto, few mi E of Hemet Comment
  RSA0020471  Delphinium parryi subsp. parryi N. C. Cooper 1944-4-22 1105 Riverside Banning. 701 Comment
  LA45861  Dendromecon rigida A. M. Johnson; 1932-8-18 4137 Riverside San Jacinto Mountains, E side along road 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
  SD229211  Dendromecon rigida Dick Schwenkmeyer 2012-4-18 707 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR133399  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-5-7 MOR- 108 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UC1563122  Descurainia pinnata Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3242 Riverside se of lake near Temecula Creek (Butterfield Valley); Vail Lake Area, Butterfield Valley 487 Comment
  JOTR16637  Descurainia pinnata subsp. glabra Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. WHITE TANK 975 Comment
  UCR182442  Descurainia pinnata subsp. halictorum Mitch Provance 1999-3-16 1761 Riverside San Bernardino Valley, SE Rancho Cucamonga, near the border with Fontana and Ontario, near the old Kaiser Steel Plant, +- between 4th St. and Arrow Route 320 Comment
  POM6595  Descurainia pinnata subsp. menziesii P. A. Munz, L. T. Street, Williams 1919-3-25 2305 Riverside Palm Canyon. 229 Comment
  UCR178511  Dichelostemma capitatum R. G. Swinney 1967-2-12 0021 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR97472  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1997-3-1 19758 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA367528  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-4-8 1093 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA70375  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1919-4-12 s.n. Riverside Tahquitz canyon near Palm Springs. Comment
  CAS-BOT-BC292190  Dicoria canescens John Thomas Howell 1928-11-4 4087 Riverside Below Palm Canon [Canyon] on road from Indio to Palm Springs Comment
  CAS-BOT-BC292193  Dicoria canescens R. S. Ferris 1958-3-1 s.n. Riverside South of Dale Dry Lake east of Twenty-nine Palms Comment
  CAS-BOT-BC292201  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Salton Basin. Indio -6 Comment
  POM11224  Dicoria canescens W. R. Dudley 1903-12 s.n. Riverside Near Palm Springs. Comment
  POM356429  Dicoria canescens L. E. Hoffman 1932-11-26 17094 Riverside Beaumont - Banning Pass [San Gorgorino Pass] Comment
  RSA0107426  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of the Arica Mountains; west side of Rice Valley; about 3 air miles south of the ghost town of Rice. 227 Comment
  UCR133657  Dicoria canescens Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UC74094  Dieteria asteroides var. asteroides M. F. Gilman 1904-1 38 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC131051  Dieteria canescens var. ziegleri Philip A. Munz 1938-8-13 15332 Riverside Near Santa Rosa Peak 2316 Comment
  RSA0095205  Dieteria canescens var. ziegleri Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8718 Riverside Santa Rosa Mountains; along forest service road, approximately 0.5 air mile northwest of the summit of Santa Rosa Mountain, just above Santa Rosa Spring. 2245 Comment
  CAS-BOT-BC150932  Diplacus bigelovii var. bigelovii S. B. Parish 1916-5-18 10860 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA0016057  Diplacus fremontii Duncan S. Bell, Valentin Arvizu 2010-5-10 974 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0019410  Diplacus fremontii P. A. Munz, I. M. Johnston 1924-7-29 8845 Riverside 6 mi SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  RSA0019415  Diplacus fremontii Noel Holmgren, Liew Fah Seong 1969-6-17 3580 Riverside San Jacinto Mountains, county road R1, at Black Mountain turnoff, 8.5 miles north of Idyllwild. Comment
  SBBG47458  Diplacus longiflorus N. C. Cooper 1944-6-16 1428 Riverside Pine Cove 1524 Comment
  JEPS48842  Ditaxis lanceolata Marjorie D. Clary 1932-5-29 931 Riverside Marshall Canyon Comment
  JOTR32607  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA5554  Ditaxis lanceolata B. D. Stark 1932-6-15 3735 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  SD46582  Ditaxis serrata var. californica P. C. Everett, E. K. Balls 1956-5-2 21559 Riverside Eagle Mountains, 8.0 miles north of junction with Highway 60/70 on road to Eagle Mountain Pumping Station. 370 Comment
  CAS-BOT-BC43632  Dithyrea californica Le Roy Abrams 1903-4-6 3208 Riverside Palm Springs. Comment
  CHSC35475  Dithyrea californica James Henrickson 1973-3-18 8619 Riverside Ca 37 (air) miles E of Temecula, 9 miles SE of Terwilliger, 3 miles N of San Diego Co. 731 Comment
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Jun 23 2013
  HSC101274  Dithyrea californica Jim Andre 2012-3-19 21349 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA530761  Dithyrea californica T. S. Clare 1930-4-14 s.n. Riverside Salton Sea. [Imperial to Riverside Co] Comment
  POM13670  Dodecatheon alpinum subsp. majus P. A. Munz 1922-7-6 5993 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA342815  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51982 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  JEPS47211  Drymocallis glandulosa var. viscida Carl V. Meyer June 1927 189 Riverside Saunder's Meadow Comment
  UCR3417  Dudleya saxosa Heidi A. Haid 1964-5-3 6453- 5 Riverside San Bernardino Mtns/ Colorado Desert, Whitewater Canyon, c. 2 mi from Hwy 99 610 Comment
  CAS-BOT-BC109650  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  RSA45211  Dudleya saxosa subsp. aloides J. C. Roos, L. Roos 1949-4-23 4285 Riverside Monson Canyon, Eagle Mountains. Comment
  UC403455  Echinocereus engelmannii Munz and Keck 1922-4-11 5013 Riverside Chuckawalla Mts. Colo. Desert 457 Comment
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Oct 3 2011
  SEINET3085688  Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .3 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west baseof San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR188891  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA234017  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-6-6 39319 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 624 Comment
  UCR178023  Eleocharis acicularis Randy Blackman 2006-10-24 s.n. Riverside Menifee Valley, weed in turf on softball field, Paloma Valley High School, 32375 Bradley Rd. between Holland Rd. and Garboni Rd. 450 Comment
  JOTR38424  Eleocharis macrostachya Hodges, Stephen, A. Ingersoll 2015-8-26 652 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  SBBG119998  Eleocharis macrostachya A. C. Sanders, K. Volansky 2005-3-17 29234 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CAS-BOT-BC33440  Eleocharis montevidensis var. disciformis Harvey Monroe Hall 1901-6-1 2013 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  RSA736244  Eleocharis parishii Scott D. White, Jonathan Campbell 2008-4-18 11894 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  SD247285  Elymus condensatus T. B> Salvato, Matt MallA^ 2014-5-29 8018 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Road and 4.3 southeast of Canyon Lake (Romoland 7.5'Q) 534 Comment
  UCR240647  Elymus glaucus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 413 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR80797  Elymus glaucus Scott D. White 1993-5-29 1478 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  UCR44199  Elymus glaucus subsp. glaucus A. C. Sanders 1986-6-1 6540 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR98898  Elymus glaucus subsp. glaucus Scott D. White 1996-8-16 4483 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA586310  Emmenanthe penduliflora D. L. Banks, Steve D. Boyd 1995-5-3 221 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET156521  Emmenanthe penduliflora Norman C. Cooper 1944-5-21 1269 Riverside San Jacinto Mtns. West side. 1067 Comment
  UCR174128  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2006-6-2 33086 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA0011255  Emmenanthe penduliflora M. B. B. 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
  UCR233169A  Emmenanthe penduliflora var. penduliflora Jim Andre, Glenn L. Clifton 2011-2-22 17442 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UC456075  Encelia actoni I. J. Condit 1910-6-24 Riverside road to Strawberry valley; San Jacinto River Canyon Comment
  RSA0049914  Encelia farinosa Jim Andre 2014-1-27 26675 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
  RSA660554  Encelia farinosa Bruce Albert 1982-4-17 13 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SD43544  Encelia farinosa P. C. Everett 1945-6-7 11507 Riverside Santa Ana Mountains, Indian Canyon, 0.5 miles above U. S. Forest Service gate on Indian Canyon Truck Trail. 455 Comment
  UC1118073  Encelia farinosa H. S. Yates 1936-6-6 5409 Riverside San Jacinto Quad., Palm Springs 137 Comment
  UC895510  Encelia farinosa C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  UCR244070  Encelia farinosa Jim Andre 2012-4-16 20897 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR91469  Encelia farinosa Scott D. White 1995-3-30 2682 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  RSA0045152  Encelia farinosa Andrew Haimov, April Sleigh 1992-5-10 84 Riverside East side of Davis Road, 3 miles south of Allessandro Road, bordering San Jacinto Wildlife Area. Comment
  POM50381  Encelia farinosa var. farinosa W. W. Eggleston 1924-3-8 19529 Riverside Hemet. 480 Comment
  SEINET4560237  Encelia frutescens J. Andre 2012-1 21367 Riverside Palen Valley; along Palen Pass Rd (dirt) 1.2 mi. east of Hwy 177 184 Comment
  SBBG121958  Ephedra aspera L. Gross 2005-2-17 14134 b Riverside cyn SW of Corn Springs Cmpgrd 548 Comment
  JOTR16664  Ephedra californica Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  RSA383873  Ephedra californica Ora M. Clark 1929-2-23 1517 Riverside South of Cabazon Comment
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Mar 13 2011
  SEINET7048065  Ephedra californica Steven R. Hill 2001-4-29 33542 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  SEINET10834110  Ephedra californica David B. Dunn 1946-2-22 Dunn 1953 -A Riverside Collected on N side of Whitewater Canyon in Colorado Desert. Comment
  UC813704  Ephedra nevadensis Ivan Johnston Riverside Palm Canyon Colorado Desert, Palm Canyon 304 Comment
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Jul 4 2015
  CAS-BOT-BC81861  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  SEINET3005053  Ephedra trifurca G. Rink 2011-4-28 10491 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 94 Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  JOTR00968  Ephedra viridis Cole, James E. 1941-4-10 509 Riverside Joshua Tree National Park. TWIN TANKS 1158 Comment
  UCR114315  Epilobium canum Mitch Provance 2000-7-23 905 B Riverside Jurupa Mtns, Property just NE of the Jurupa Mtns. Cultural Center 305 Comment
  SDSU8799  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 335 Comment
  RSA589082  Epilobium canum subsp. latifolium D. L. Banks, Steve D. Boyd 1995-10-17 793 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  UC20050  Epilobium ciliatum subsp. glandulosum H. M. Hall 1901-7-24 2562 Riverside small spring on steep n side San Jacinto Mountains Comment
  PASA1894  Epilobium glaberrimum Frank W. Peirson 1924-7-28 Riverside Pine Flats Camp. San Jacinto Mts. 1798 Comment
  UCR133698  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 366 Comment
  RSA652885  Equisetum hyemale var. affine John Wallace 1991-5-5 12 Riverside Colorado River, Palo Verde Dam. 5 yards east of outflow foot bridge. Comment
  JOTR29222  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1335 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  RSA644153  Eragrostis lehmanniana Scott D. White 1995-6-7 3451 Riverside Santa Ana River: City of Riverside, Market St. crossing at Sta Ana river. 243 Comment
  UCR100575  Eragrostis mexicana subsp. mexicana George K. Helmkamp 1997-11-1 2518 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UC1100242  Eragrostis mexicana subsp. virescens Malcolm A. Nobs and S. Galen Smith 1948-9-3 487 Riverside 2 mi n Indio (Citrus grove); Imperial Valley Comment
  UCR113925  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC573246  Eragrostis minor H. S. Yates 1937-6-28 6731 Riverside Palm Springs San Jacinto Quad., Palm Springs 137 Comment
  RSA653245  Eragrostis pectinacea Mitch Provance, A. C. Sanders 2000-7-4 2080 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UC18773  Eremalche exilis S. B. Parish Apr 4 1896-Apr 13 1896 4110 Riverside Palm Sprngs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Sprngs (Agua Caliente) 152 Comment
  UCR213313  Eremalche rotundifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37439 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  JOTR01109  Eremalche rotundifolia Cole, James E. 1941-4-13 583 Riverside Joshua Tree National Park. .5 MILES NORTH OF MEEK'S CABIN, PINTO PASS 609 Comment
  SBBG60375  Eremothera boothii subsp. alyssoides M. N. Ackley -Feb-1926 768 Riverside entrance to Painted Cyn Comment
  SD181439  Eremothera boothii subsp. condensata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1095 Riverside Little SanBernardino Mountains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  SEINET3996437  Eremothera boothii subsp. condensata E. Neese 1979-4-10 7072 Riverside Joshua Tree Nat. Mon. s of Twenty-nine Palms, near Cottonwood Sp. 305 Comment
  SD258955  Eremothera refracta Sarah J. De Groot, Rachel Poutasse, Brittany Tardiff 2016-4-6 7772 Riverside Mecca Hills: Side canyon along Painted Canyon road; northeast of Mecca northwest of Box Canyon. 163 Comment
  JOTR31165  Eriastrum eremicum subsp. eremicum La Doux, Tasha 2009-6-3 1871 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  JOTR32969  Eriastrum eremicum subsp. eremicum La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2720 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CAS-BOT-BC514470  Eriastrum eremicum subsp. eremicum J. Cole 1942-5-1 972 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  CAS-BOT-BC514473  Eriastrum eremicum subsp. eremicum Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC187938  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 miles S of Rice on Blythe Road 213 Comment
  JEPS69113  Eriastrum sapphirinum W. L. Jepson 1901-5-31 1574 Riverside Temescal Wash 335 Comment
  UC708663  Eriastrum sapphirinum R. Bacigalupi 1941-8-30 2700 Riverside upper end of Kenworthy Flats San Jacinto Mountains 1392 Comment
  UCR133326  Eriastrum sapphirinum John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0122957  Eriastrum sapphirinum subsp. dasyanthum 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
  CAS-BOT-BC187907  Eriastrum sapphirinum subsp. sapphirinum Clare B. Hardham 1965-6-18 12903 Riverside Junction of Routes 71 and 74, Paradise Valley Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  SEINET3858674 Image available Eriastrum sparsiflorum Leila M. Shultz, John S. Shultz 1985-4-16 8256 Riverside Chuckawalla Valley, east of Chuckwalla Mountains 122 Comment
  UCD131304  Ericameria cuneata Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-24 255 Riverside east of south end of Marion Ridge Road, Pine Cove, Idyllwild, San Jacinto Mountains. 1828 Comment
  UC494685  Ericameria cuneata var. spathulata P. A. Munz 1932-10-16 12848 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  JOTR30242  Ericameria linearifolia Leary, C. and Leary, Pat 1979-5-5 2990 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. 1676 Comment
  UCR85276  Ericameria linearifolia Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Mtns, along old road between Indio & Lost Horse Well , south of California Riding & Hiking Trail. 1506 Comment
  CAS-BOT-BC298872  Ericameria nauseosa var. bernardina Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts 2438 Comment
  CAS-BOT-BC299120  Ericameria nauseosa var. mohavensis Edmund C. Jaeger 1938-10-21 s.n. Riverside Joshua Tree National Monument, 15 miles S of Warren's Well, Little San Bernardino Mts 1280 Comment
  UC729926  Ericameria nauseosa var. oreophila Carl B. Wolf 1932-7-18 Riverside Rancho Sanata Ana Botanic Garden Comment
  SEINET2050489 Image available Ericameria paniculata Tony Beck 1968-4-28 6804286 Riverside 4 miles south of trout pond on White Water Canyon road. About 100 yds. E of road; Riversdale Dist. 549 Comment
  RSA305669  Ericameria pinifolia C. W. Tilforth, Walter Wisura 1979-10-11 1917 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley 1341 Comment
  UCR238029  Ericameria pinifolia Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2046 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCSB9492  Erigeron canadensis Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chico Institute 213 Comment
  RSA68333  Erigeron divergens G. R. Campbell 1951-5-30 16151 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  RSA720464  Erigeron divergens Naomi Fraga, Bryan Carey 2006-6-1 1689 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  RSA504552  Erigeron foliosus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR260551  Erigeron foliosus T. B. Salvato, Matt Malle 2014-5-29 8019 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  JEPS41487  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall 1901-5-19 1275 Riverside San Jacinto River Canyon 388 Comment
  POM14970  Erigeron foliosus var. foliosus Mary F. Spencer 1922-6-29 1274 Riverside Brooks Camp, San Jacinto Mt. 1219 Comment
  UC31477  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1275 Riverside Canyon of San Jacinto River Comment
  UCR19767  Erigeron foliosus var. foliosus W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1768 Comment
  RSA0119984  Eriodictyon crassifolium Duncan S. Bell, Thomas Stoughton 2016-4-13 9267 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA34589  Eriodictyon crassifolium N. C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  SD260968  Eriodictyon crassifolium Mitch Provance 2012-9-13 912 06 Riverside Badlands of Western Riverside County: about 0.2 miles S of Mt. Davis A+-2 miles SSW of Beaumont. 847 Comment
  RSA775450  Eriodictyon trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4411 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
  RSA6021  Eriogonum apiculatum Carl B. Wolf 1932-8-5 3938 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2561 Comment
  UCR158282  Eriogonum brachyanthum Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  JOTR16808  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  RSA766422  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 999 Riverside San Jacinto Mtns. 1646 Comment
  UCR243575  Eriogonum davidsonii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21106 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
  UCR269220  Eriogonum davidsonii T. B. Salvato, Arlee Montalvo 2015-8-22 8235 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  UCR35100  Eriogonum davidsonii L. B. Ziegler 1964-7-20 32 Riverside San Jacinto Mountains, Garner (Hemet) Valley Comment
  UCR3379  Eriogonum deflexum John Minnich 1964-3-22 64-3-22- 12 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  JEPS35766  Eriogonum deflexum var. deflexum W. L. Jepson Oct 22 1912-Nov 7 1912 5235 Riverside near Riverside Mts.; Colorado River 45 Comment
  RSA393273  Eriogonum deflexum var. deflexum M. B. Dunkle 1933-3-4 3038 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SEINET7907886  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd between Perris & Lake Elsinore 488 Comment
  POM99016  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside White Tanks, Pinto Mountains. Comment
  CAS-BOT-BC249950  Eriogonum fasciculatum var. foliolosum G. P. Rixford 1915-4-3 s.n. Riverside Riverside Comment
  CAS-BOT-BC249953  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  SD22408  Eriogonum fasciculatum var. foliolosum Susan G. Stokes 1890-5-23 Riverside Comment
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Feb 18 2013
  UCR139184  Eriogonum fasciculatum var. foliolosum Virginia Moran 2003-4-23 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  RSA509530  Eriogonum fasciculatum var. polifolium Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  UC1032087  Eriogonum fasciculatum var. polifolium A. Lewis Mar 1933 176 B Riverside 1 1/2 mi n Temescal; Riverside Quadrangle Comment
  UCD100045  Eriogonum fasciculatum var. polifolium Ted C. MacRae 1995-5-24 416 Riverside Santa Rosa Mountains, 2.4 miles NE of Pinyon Flast on Highway 74. 1219 Comment
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Jul 24 2013
  CAS-BOT-BC253492  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243 914 Comment
  CLARK-A1528-3738  Eriogonum gracile C. Epling, William Robison 1933-6-24 Riverside San Gorgonio Wash Comment
  RSA0106806  Eriogonum gracile Jeremiah George 2012-5-17 s.n. Riverside Beaumont Bench, north slope facing San Timoteo Creek, north of Hwy 60 and south of Oak Valley Parkway, E of Potrero Blvd. 747 Comment
  UC86025  Eriogonum gracile J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  RSA544289  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross 1991-6-14 6358 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
  UCR117618  Eriogonum gracile var. gracile Scott D. White 1997-5-25 5247 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  RSA736778  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-7-2 10561 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR278874  Eriogonum gracile var. incultum Mitch Provance 2012-7-14 712- 22 Riverside San Gorgonio Pass, Banning, remnant of Montgomery Creek, N side of Westward Ave, between Lovell St. and April Ln. 716 Comment
  UCR123191  Eriogonum heermannii var. argense A. C. Sanders, Mark Elvin 2001-8-17 24617 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  UC535088  Eriogonum inflatum Susan G. Stokes 1933-4-9 52 Riverside near Banning Comment
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Dec 17 2016
  UCR16537  Eriogonum inflatum K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  UCSB1442  Eriogonum inflatum Gray, Caroline 1956-4-13 Riverside Whitewater Cyn; near Whitewater Comment
  RSA27986  Eriogonum inflatum var. inflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA785068  Eriogonum maculatum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  POM49276  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idyllwild. 1616 Comment
  RSA783813  Eriogonum molestum var. davidsonii John Olmsted 1950-6-15 182 Riverside Hurkey Cr. into Hemet Lake and San Jacinto Rd. drainage area: Cedar Crest Rd. 1 mi E of Hurkey Cr. crossing (turn E 4 mi S of Mt. Center) 1372 Comment
  RSA239210  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-10 2870 Riverside San Jacinto Mtns, along Hwy 243, 1/1 miles SE of Alandale Ranger Station, 4.3 miles NNW of Idyllwild and 8.8 miles N of the jct with Hwy 74. Comment
  JOTR34159  Eriogonum pusillum Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 116 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  RSA650353  Eriogonum reniforme William Gilbert 1969-5-24 s.n. Riverside Hwy. 74, Hwy. marker #88 13. Comment
  UC666502  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-28 2261 Riverside e Hayfield (on bank below Metropolitan Aqueduct Road) Comment
  JOTR33940  Eriogonum saxatile La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2829 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
  RSA424914B  Eriogonum saxatile Louis C. Wheeler 1931-10-3 235 Riverside Sumit Fern Valley-Tahquitz Valley trail, San Jacinto Mountains. 2500 Comment
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Jul 9 2012
  JEPS56267  Eriogonum thomasii W. L. Jepson 1928-4-23 12546 Riverside Shaver's Well Colorado Desert, Shaver's Well 152 Comment
  JOTR34365  Eriogonum thomasii Andre, Jim 2012-4-16 20881 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  JOTR35092  Eriogonum thomasii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3543 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA510049  Eriogonum thomasii B. Pitzer 1988-3-10 657 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
  RSA639634  Eriogonum thomasii Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55362 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC912800  Eriogonum thomasii Alice Eastwood 1913-4-30 3059 Riverside Palm Springs Comment
  UCR124001  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 2001-4-14 6464 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  POM13239  Eriogonum thurberi P. A. Munz, I. M. Johnston 1922-5-19 5348 Riverside 5 miles NE of Murietta. 457 Comment
  POM209431  Eriogonum thurberi S. G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1220 Comment
  SBBG65514  Eriogonum thurberi P. A. Munz, I. M. Johnston 1928-9-6 11278 Riverside Santa Ana River, Ontario-Corona Rd Comment
  UCR13758  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1972-9-7 534 Riverside Peninsular Range; San Jacinto Mtns., Strawberry firebreak, south of S end of Marion Ridge Road, Pine Cove, W drainage Mtns 1921 Comment
  JEPS56121  Eriogonum wrightii var. nodosum Marjorie D. Clary 1932-12-13 771 Riverside 15 mi nw Indio (base of mountains in Deep Canyon); Colorado Desert, Deep Canyon 304 Comment
  JOTR29590  Eriogonum wrightii var. nodosum Andre, Jim 2006-4-26 6782 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  JOTR16822  Eriogonum wrightii var. wrightii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE WEST OF SPLIT ROCK 1310 Comment
  POM357966  Eriophyllum confertiflorum Norman C. Cooper 1944-6-17 1405 Riverside San Jacinto Mtns. West side. 1372 Comment
  POM54680  Eriophyllum confertiflorum L. R. Abrams 1901-5-20 15713 Riverside Elsinore. Comment
  RSA585179  Eriophyllum confertiflorum D. Atwood 1993-3-26 17661 Riverside 1.5 mi. S. of Lake Elsinore, along Hwy 74. 671 Comment
  SD63343  Eriophyllum confertiflorum Walter Bertsch 1957-6-29 956 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2440 Comment
  UCD132264  Eriophyllum confertiflorum P. C. Everett; E. K. Balls 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  UCR174265  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32670 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
  UCR231776  Eriophyllum confertiflorum John F. Green 2008-4-23 08- 18 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA12919  Eriophyllum multicaule C. B. Wolf 1935-4-7 6309 Riverside 2 mi. SW of Perris. 427 Comment
  SBBG35238  Eriophyllum multicaule T. L. Secrest 1951-5-18 Riverside San Jacinto River, near Hemet Comment
  CLARK-A1528-1111  Eriophyllum wallacei Charles S. Papp 1965-5-1 816 Riverside San Jacinto River 609 Comment
  POM308430  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3069 Riverside Santa Rosa Mts. Comment
  UCR87145  Eriophyllum wallacei A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-15 16121 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR265820  Erodium botrys Mitch Provance 2012-5-24 512- 01 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA681880  Erodium brachycarpum Scott D. White 2001-3-13 8163 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  UCR120953  Erodium brachycarpum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23877 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  CHSC79751  Erodium cicutarium D. Atwood; L. Stritch 1993-4-2 17913 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands. 670 Comment
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May 15 2015
  RSA470847  Eryngium aristulatum var. parishii Robert Gustafson, Gary D. Wallace 1983-6-23 2714 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  SD119897  Erythranthe guttata Louis B. Ziegler 1967-7-17 187 Riverside San Jacinto Mountains. Hemet Valley. Near Herkey Creek Canyon. Moist ground 1584 Comment
  RSA0019313  Erythranthe guttata G. R. Campbell 1948-7-3 606 Riverside 3 mi. north of Dark Canyon, road between Idyllwild and Banning. Comment
  RSA0023134  Eschscholzia androuxii Henry J. Ramsey, Henry J. Ramsey 1937-2-26 887 Riverside Whitewater. Comment
  UCR77710  Eschscholzia caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  UC1292611  Eschscholzia californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23096 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCR178000  Eschscholzia californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR214572  Eschscholzia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37853 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR232477  Eschscholzia californica Amanda Lovelady, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 22 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR98679  Eschscholzia californica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA543193  Eschscholzia californica var. peninsularis Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6113 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CAS-BOT-BC83131  Eschscholzia minutiflora Annie M. Alexander; Louise Kellogg 1941-5-15 2179 Riverside North base of Eagle Mountains. 914 Comment
  CDA24566  Eschscholzia minutiflora T. C. Fuller 1962-4-4 7998 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  POM13034  Eschscholzia minutiflora P. A. Munz 1922-4-13 4935 Riverside Eagle Mts, Colorado Desert. 213 Comment
  UCSB12878  Eschscholzia minutiflora Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash; 3 miles southwest of Palm Desert 426 Comment
  UCSB18762  Eschscholzia minutiflora Gates, C. 1963-5-5 Riverside State Highway 74; 5.5 miles E of Pinyon Flats Campground; western edge of Colorado Desert 883 Comment
  RSA0023220  Eschscholzia papastillii Robert F. Thorne 1963-3-29 32369 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  UC1713556  Eschscholzia parishii Charlotte M. Wilder March 1906 25 Riverside Shaver's Well Wash Colorado Desert Comment
  RSA0022920  Eschscholzia parishii F. W. Peirson 1921-4-13 5324 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  SEINET10476299  Eschscholzia parishii David Charlton 1988-2-18 Charlton 1152 Riverside Alluvial Fan, S side of Little Sand Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. Creosote Bush Scrub. 5 mi. E of Jct. Dillon Rd. and Fargo Cyn. Rd. 762 Comment
  RSA713796  Eucalyptus J. Lyman 1989-2-9 89 -2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  GMDRC9813  Eucrypta micrantha J. M. Andre 2017-3-1 38039 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR232805  Euphorbia albomarginata John F. Green 2008-4-16 0408- 34 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR941  Euphorbia palmeri J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCD142704  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7463 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UCD142740  Euphorbia polycarpa var. hirtella A. H. F. 1928-3-1 s.n. Riverside W. of Colorado Desert; Nr. Palm Springs. Comment
  UCR5293  Euphorbia polycarpa var. hirtella O. F. Clarke 1966-10-5 661005- 02 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR3222  Euphorbia prostrata O. F. Clarke 1970-9-20 s.n. Riverside City of Riverside, O.F. Clarke residence, 1012 Spruce Street [now the site of an apartment complex, 2001]. 305 Comment
  UCR58873  Euphorbia setiloba J. M. Stewart 1989-10-17 615 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  SD136895  Euthamia occidentalis Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7674 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon from junction of Tenaja Road and Los Alamos up San Mateo Trail to Potrero Cienega 395 Comment
  NY43266  Fagonia laevis C. R. Annable 1995-3-15 2279 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  RSA444664  Fagonia laevis J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  UCR26002  Fagonia laevis R. E. Steele 1977-3-28 14 Riverside Sonoran (Colorado) Desert, 6 mi [SW] of Interstate 10 along Box Canyon Road 305 Comment
  UCR72179  Fagonia laevis Theo Glenn 1991-5-15 91- 39 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  JOTR31952  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2189 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash 667 Comment
  UC2015643  Fagonia pachyacantha A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16083 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR279361  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-24 42983 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  VVC517  Fagonia pachyacantha A. C. Sanders, J. Mac 1995-3-12 16083 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR130847  Festuca arundinacea S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  LA45712  Festuca myuros Frank W. Gould; 1944-4-5 2228 Riverside 17 mi E of Temecula on Hwy 79 Comment
  LA13139  Festuca octoflora F. R. Fosberg; 1932-3-13 8100 Riverside Coachella Valley, Thousand Palms Canyon Comment
  UCR214900  Festuca octoflora A. C. Sanders 2010-3-23 37527 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  SEINET3082449 Image available Filago californica Dave Hawks 1986-4-16 Riverside San Bernardino Mtns / Sonoran (Colorado) Desert;Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UCR97476  Filago californica A. C. Sanders 1997-3-1 19700 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  SEINET7048207  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33719 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  CSUSB2046  Fouquieria splendens Wayne White 1975-5-17 707 Riverside Red Cloud Road south of Highway I-10. Chuckwalla Mountains. 441 Comment
  UCR41846  Fouquieria splendens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6090 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCD117402  Fouquieria splendens subsp. splendens Richard Bates 1949-4-26 s.n. Riverside State Highway 74, start of 'Palms to Pines' Highway, Colorado Desert. Comment
  CAS-BOT-BC53340  Frangula californica subsp. cuspidata H. E. McMinn 1925-7-2 1513 Riverside Tahquitz Trail - San Jacinto Mts. Comment
  UC1122129  Frankenia salina A. Lewis May 1934 457 Riverside Lakeview Elsinore Quadrangle Comment
  UCR180051  Frankenia salina Mitch Provance 2005-5-18 9803 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR35004  Frasera parryi L. B. Ziegler 1972-6-26 486 Riverside San Jacinto Mtns, [Hemet] Garner Valley 1400 Comment
  CLARK-A1528-1039  Fraxinus dipetala C. M. Flanagan 1973-4-26 OO 310 Riverside Morongo Indian Reservation Comment
  UC219212  Fraxinus dipetala P. A. Munz and I. M. Johnston 1922-5-5 5149 Riverside near Beaumont (Head of Jack Rabbit Trail); Southern California, Jack Rabbit Trail 731 Comment
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Mar 21 2011
  UC55739  Fraxinus velutina H. M. Hall 1898-6-28 959 Riverside e of Kenworthy (s side of San Jacinto Mts.); San Jacinto Mts. Comment
  UCR119846  Fraxinus velutina T. P. Krantz, K. Berg 1978-1 s.n. Riverside San Jacinto Mtns., Mellor Creek, near confluence of Mellor Creek and Indian Creek, up the creek c. 50 m from FS road 4S10 Comment
  UCR177657  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8866 Riverside San Bernardino Mtns., San Gorgonio Canyon, north of Banning 1372 Comment
  RSA27522  Funastrum cynanchoides var. hartwegii I. L. Wiggins 1941-3-26 s.n. Riverside Along wash at Wiley well. Comment
  RSA458585  Funastrum cynanchoides var. hartwegii A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  RSA765482  Funastrum cynanchoides var. hartwegii Doris Hoover Bowers 1972-4-15 1801 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  SD131983  Galium angustifolium Lauramay T. Dempster 1962-4-17 1890 Riverside Whitewater Canyon, about 1 mile below the Fish Hatchery. I and about dry wash in side canyon Comment
  JEPS7848  Galium angustifolium subsp. angustifolium W. L. Jepson May 17 1901-Jun 1 1901 1225 Riverside Riverside Comment
  UCR205296  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1708 Riverside San Jacinto Mountains, Lake Fulmore, northwest side of Lake 1616 Comment
  JEPS52917  Galium californicum subsp. primum Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 1/2 Riverside Chimney Flat (old control) road below Alvin Meadows; San Jacinto Mts., Chimney Flat (old control) road 1402 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
  SD67919  Garrya flavescens subsp. pallida Reid Moran 1968-8-3 15372 Riverside Santa Rosa Mts., west slope, 1 mile west of summit 2100 Comment
  RSA444788  Garrya flavescens var. pallida J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona. Comment
  RSA585504  Gastridium phleoides D. L. Banks, Steve Boyd 1995-5-9 365 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
  UCR17017  Gayophytum heterozygum Harlan Lewis, M. Lewis 1962-8-2 1306 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Road, Pine Cove, 0.4 mi west of Idyllwild-Banning Road Comment
  UCR103185  Gazania linearis Scott D. White, J. Greene 1997-3-12 4789 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  RSA696893  Geraea canescens J. Russell Bruff 1929-12-29 s.n. Riverside Near turn off to Hidden Spring N.E. side of Salton Sea. Comment
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Apr 17 2011
  SBBG8229  Geraea canescens H. and M. Dearing 1930-4-13 2375 Riverside near Palm Cyn Comment
  SBBG92240  Geraea canescens D. F. Howe 1980-4-15 Riverside Interstate 10, ca. 2 mi W of Mesa Verde, McCoy Mtns Comment
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Jul 18 2012
  SFV4386  Geraea canescens F. M. Ball 1964-2-15 66 21 Riverside 2 miles north of 1000 Palms. Sandy, desert roadside. Comment
  UC170153  Geraea canescens E. E. Schellenger 1894-12-5 89 Riverside Eherenberg Road near Red Canon; Colorado Desert Comment
  SEINET10849118  Geraea canescens David B. Dunn, Shogo; Schroeder; Bruskin; FOLSOM 1948-3-14 Dunn 3750 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SD186237  Geranium dissectum A. C. Sanders 2004-4-20 27569 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA356746  Geranium dissectum Robert F. Thorne 1973-5-23 45515 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 610 Comment
  RSA773171  Gilia Duncan S. Bell, Valentin Arvizu 2010-5-24 1110 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  RSA470124  Gilia angelensis M. B. Dunkle 1932-3-26 2933 Riverside S of Banning. Comment
  RSA628246  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  RSA85118  Gilia angelensis J. C. Roos 1952-4-23 5578 Riverside 1 year old burn on north side Box Springs Mtns. 457 Comment
  SD227870  Gilia angelensis G. K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside Cabazon area. Grazing land .5 mi. N of I-10 on Millard Rd. 563 Comment
  UC718485  Gilia angelensis Carl B. Wolf 1935-4-7 6314 Riverside 2 mi sw of Perris; Gavilan Hills Region, sw of Ferris 426 Comment
  UCR118405  Gilia angelensis A. C. Sanders 1994-5-15 14486 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UCR177945  Gilia angelensis Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 027 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR97900  Gilia angelensis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19850 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 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
  UC218261  Gilia capitata subsp. abrotanifolia P. A. Munz and I. M. Johnston 1922-5-19 5434 Riverside Hemet Valley , Hemet Valley (San Jacinto Mts.) 1402 Comment
  UC69315  Gilia latifolia L. A. Greata Apr. 1905 Riverside Coachella Comment
  CAS-BOT-BC407614  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05. 850 Comment
  RSA0017291  Gilia ochroleuca subsp. exilis J. Mark Porter, Theodore Anderson 2005-5-5 14380 .5 Riverside agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church, along Pechanga Road; ca. 60 m E crossing of Pechanga Creek. 396 Comment
  RSA0016292  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona. Comment
  UCR35049  Gilia sinuata L. B. Ziegler 1972-5-3 449 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1402 Comment
  RSA25366  Gilia stellata C. L. Hitchcock 1940-3-31 5880 a Riverside 0.5 mile below Cottonwood Springs Comment
  RSA475299  Gilia stellata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2111 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA0121577  Gilia virgata Reed 1903-7-5 s.n. Riverside Bluff's Ranch. Comment
  RSA508001  Githopsis diffusa Steve Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2307 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  RSA0028237  Gnaphalium John F. Emmel 1988-4-23 1082 Riverside Riverside/San Bernardino County Line. Joshua Tree National Monument; wash 0.2 air mile NE to 1.2 air mile NNE of summit of Negro Hill, at NE end Queen Valley. 1363 Comment
  UCR162876  Gnaphalium californicum T. B. Salvato, Kelly Volansky 2003-3-27 134 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  CDA7788  Gnaphalium leucocephalum R. E. Riefner Jr. 2006-8-22 06 -396 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
  RSA192005  Gnaphalium microcephalum H. A. Zuill 1966-7-7 280 Riverside San mateo canyon, 9-10 miles SW of Murrieta. Comment
  CAS-BOT-BC307400  Gnaphalium palustre Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  CAS-BOT-BC307403  Gnaphalium palustre John Thomas Howell 1930-5-10 4774 Riverside March Field Comment
  CDA23611  Gnaphalium palustre Don Domenigoni 2008-9-3 s.n. Riverside Winchester, 33011 Holland Rd., at Hwy 79 and Rawson Rd. 0 Comment
  UC64146  Gnaphalium palustre H. M. Hall 1897-8-11 812 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2743 Comment
  UCR96868  Gnaphalium palustre Scott D. White 1993-4-25 1278 Riverside Winchester Hills area: agricultural fields, near vernal pools Comment
  UCR63931  Gossypium hirsutum B. Lennart Johnson 1970-11-18 s.n. Riverside University of California, Riverside Comment
  UC403461  Grusonia parishii Dr. P. A. Munz Apr. 1921 Riverside Little San Bernardino Mts. Comment
  JOTR30989  Guillenia lasiophylla La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1967 Riverside Joshua Tree National Park. (Stop 5) Hexie Mountains, slopes above north side of Blue Cut Gorge Comment
  CLARK-A1528-226  Gutierrezia bracteata C. M. Flanagan 1973-5-31 OO 630 Riverside Morongo Indian Reservation 975 Comment
  RSA524433  Gutierrezia californica Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4049 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  JOTR35238  Gutierrezia sarothrae Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  POM359229  Gutierrezia sarothrae N. R. Zabriskie, W. M. Zabriskie 1970-11-1 329 Riverside Andreas Canyon area, east slope San Jacinto Mountains. 427 Comment
  UC1509680  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3027 Riverside 34.5 km (21.6 mi) e of Keen Camp (summit of San Jacinto Mountains on State Highway 74 at Pinyon Flats Campground); San Jacinto Mountains, State Highway 74 Comment
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Nov 20 2010
  VVC1350  Haplopappus acradenius A. C. Sanders, J. Mac 1996-11-23 19659 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA0066635  Harpagonella palmeri D. L. Banks, S. D. Boyd 1995-5-9 398 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR176082  Hedypnois cretica Teresa Nieto 2005-4-14 02 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC309385  Helenium puberulum Mitch Provance 1998-6-20 705 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR21849  Helianthus annuus subsp. lenticularis Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA33632  Helianthus gracilentus N. C. Cooper 1944-7-15 1608 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR140718  Helianthus gracilentus A. C. Sanders 2004-5-12 27889 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR72157  Heliotropium convolvulaceum Theo Glenn 1991-5-8 91- 80 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UCSB56160  Heliotropium curassavicum Liston, A.; Elias, Thomas; Dorado, O. 1986-11-29 Riverside Road to Painted Canyon, Mecca Hills Comment
  RSA575895  Heliotropium curassavicum var. oculatum Steve Boyd 1994-10-14 8388 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  POM122962  Hemizonia kelloggii Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  RSA659714  Hemizonia kelloggii J. C. Roos 1965-6-27 s.n. Riverside Reche Canyon Comment
  UCR26534  Hemizonia kelloggii A. C. Sanders, S. Hagopian 1981-5-20 2139 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR132826  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, , Mitch Provance 1998-10-25 22276 Riverside San Jacinto Mtns., Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road 1329 Comment
  RSA663304  Hemizonia paniculata Mitch Provance 1998-6-20 704 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA715766  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2003-6-12 26897 Riverside Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR12551  Hemizonia paniculata Eric Trubschenck 1972-5-8 12 Riverside Moreno Valley, 12 miles east of Riverside, 1 mi south of intersection of Alessandro Blvd with Wilmot Street 549 Comment
  UCR133945  Hemizonia paniculata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR66972  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney, P. Gordon-Reedy 1989-6-5 1934 Riverside Domengoni-Diamond Valley, just west of Gateway Farms south of Newport Rd. [1 mi. west of] Rawson Rd. [site now under water of Diamond Valley Reservoir] 517 Comment
  UCR217806  Hesperocallis undulata Jim Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  UCR241929  Hesperocnide tenella A. C. Sanders, John F. Green 2013-3-27 40688 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 1.16 km south of I-15 Fwy 388 Comment
  UCR281497  Hesperoyucca whipplei Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 112 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  SEINET3412083  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  RSA0074602  Heterotheca fastigiata J. C. Roos, Lucille Roos 1949-9-17 4657 Riverside Whitewater Wash, 2.2 miles N of Whitewater. 518 Comment
  SD193037  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. Uplands around former homestead area, southeast of creek. 579 Comment
  SDSU13566  Heterotheca grandiflora W. Miller with C. Mosse 1972-7-13 Riverside West of M.W.D. Station. Comment
  UC1999890 Image available Heterotheca sessiliflora subsp. fastigiata J. C. Semple, J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  LA205887  Hibiscus denudatus Norman C. Cooper; 1944-4-8 1072 Riverside Andreas Canyon 304 Comment
  RSA704590  Hibiscus denudatus LeRoy Gross 2005-3-3 1589 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA0124124  Hilaria rigida Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8737 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  UCR272439  Hilaria rigida Cheryl Sevilla, Sarah J. De Groot 2015-3-18 037 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  UC1951113  Hirschfeldia incana Scott D. White, Justin Wood 2009-5-21 12847 Riverside SAN JACINTO MOUNTAINS: McMullen Flat area, 0.35 mile N on Valley Hi Dr, from intersection w/ Twin Pines Rd. USGS Cabazon 7.5' Quad. Comment
  POM193292  Hoffmannseggia glauca Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  CAS-BOT-BC206103  Hoffmannseggia microphylla John Thomas Howell 1928-1-30 3307 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  CLARK-A1656-610  Hoffmannseggia microphylla Lois Ann Scott 1978-1-13 Riverside Indio Hills Comment
  LA45807  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-7 sn Riverside Oasis Comment
  SBBG92826  Hoffmannseggia microphylla D. Charlton 1988-2-18 1134 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  UCR49372  Holocarpha virgata subsp. elongata S. J. Myers 1987-9-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, intersection of Corona Calle Camino and El Cerezo Rd, immediately south of Redonda Mesa Comment
  RSA179498  Hordeum brachyantherum subsp. californicum E. W. Lathrop 1959-5-17 4546 Riverside 14 miles west of Murrieta. Comment
  RSA563921  Hordeum intercedens A. C. Sanders 1993-4-1 13661 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  UCR193482  Hordeum marinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35601 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA45205  Hordeum marinum subsp. gussoneanum J. C. Roos, Lucille Roos 1949-5-21 4318 Riverside Temecula. 304 Comment
  SEINET259013 Image available Hordeum vulgare subsp. spontaneum B. L. Johnson Riverside CULTIVATED ; CULTIVATED at Riverside; seed collected at Curia Cypress [?Cyprus]. Comment
  CAS-BOT-BC148562  Horkelia clevelandii Ralph Hoffmann 1929-9-7 s.n. Riverside Meadow, San Jacinto Mt. 1645 Comment
  POM122327  Horkelia clevelandii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  POM48124  Horkelia clevelandii Mary F. Spencer 1919-6-19 1202 Riverside Idyllwild. 1646 Comment
  CHSC1030  Horsfordia alata V. Holt 1935-4-16 Riverside West Colorado Desert near San Jacinto. Comment
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Mar 10 2016
  POM11429  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-3 5960 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  UC32855  Hulsea vestita subsp. callicarpha W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Sunset Hill; San Jacinto Mt. 1554 Comment
  CSUSB1758  Hunnemannia fumariifolia Morse 1974-6-29 Riverside North end of Linsay Street (Glen Avon). 228 Comment
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Oct 22 2011
  POM293695  Hymenoclea salsola Lyman Benson 1949-3-28 13570 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
  POM361068  Hymenoclea salsola Ora M. Clark 1929-3-27 1747 Riverside La Quinta Canyon, Colorado Desert. Comment
  UCR687  Hymenoclea salsola S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  UC90459  Hymenopappus filifolius var. lugens S. B. and W. F. Parish 1882-6-1 238 Riverside Aguanga San Jacinto Mts. Comment
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Mar 9 2011
  UC19044  Hypericum formosum var. scouleri H. M. Hall 1897-7-20 9689 Riverside San Jacinto Mts. - streams at 5300 ft San Jacinto Mts. 1615 Comment
  CDA7500  Hypochaeris glabra Bob Russell 1977-7-1 442 -113 Riverside Ralph Hanson Ranch, Corancho Road, 8 miles west of Temecula. 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
  CAS-BOT-BC219747  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  RSA1268  Hyptis emoryi B. D. Stark 1930-4-1 1498 Riverside Near Cathedral City. Comment
  RSA420157  Hyptis emoryi Christopher Davidson 1973-4-1 1835 Riverside Palm Springs. 488 Comment
  CDA5541  Ipomoea triloba T. C. Fuller 1962-10-2 9707 Riverside Palo Verde Valley; East side of Neighbors Boulevard to Ripley, 0.3 mile south of Highway 60. 0 Comment
  JEPS19094  Isocoma acradenia var. eremophila S. B. Parish 1913-2-28 8475 Riverside Mecca Salton Sink -60 Comment
  LA203674  Isocoma acradenia var. eremophila A. M. Johnson; 1933-4-28 4207 Riverside E of Cook's Ranch, 4 mi. N of Indian Wells, and 15 mi. below Palm Springs Comment
  SBBG81101  Isocoma menziesii S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  IRVC15233  Isoetes howellii Gordon A. Marsh 1977-5-25 s.n. Riverside Santa Rosa Plateau, Mesa de Burro. Peninsular Ranges, Santa Ana Mountains Comment
  RSA199005  Isoetes orcuttii R. F. Thorne, P. A. Munz 1968-5-8 37592 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UC1324899  Isomeris arborea H. U. Stauffer and R. F. Thorne 1964-5-5 5922 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UCR260595  Iva axillaris A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41555 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley along DePalma Rd., in side canyon between Horsethief Canyon and Glen Eden, just SE of dirt road to revegetation plots, south of I-15 and the east end of Lee (Corona) Lake 367 Comment
  POM4803  Iva axillaris subsp. robustior I. M. Johnston 1928-5-30 2014 Riverside Temescal Canyon. 366 Comment
  RSA0005613  Ivesia callida Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  CAS-BOT-BC475156  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 Riverside Peninsular Range: UC Emerson Oaks Reserve, 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  RSA781322  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  CAS-BOT-BC110065  Juncus acutus Elizabeth McClintock 1964-4-8 s.n. Riverside Pushawalla Palms Canyon, Colorado Desert, east of Indio. Comment
  UCR20982  Juncus acutus subsp. leopoldii A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1337 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UCR275577  Juncus balticus T. B. Salvato, Jennifer Weiland 2005-6-13 605- 2 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
  RSA567472  Juncus balticus subsp. ater Scott D. White 1993-5-29 1484 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1220 Comment
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  UCR193885  Juncus bufonius A. C. Sanders, Mitch Provance 2008-7-11 35802 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR139058  Juncus bufonius var. bufonius Julie A. Greene 1993-4-17 1198 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCR157357  Juncus bufonius var. congestus Chris E. True, Robert Cox 2005-6-22 s.n. Riverside San Jacinto Mtns., north slope of the mountains near Azalea Creek, about 0.5 mile SW of the Twin Pines Ranch buildings 1067 Comment
  RSA500154  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3647 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA356638  Juncus effusus subsp. austrocalifornicus Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47293 Riverside Santa Rosa Plateau: SE of Tenaja Guard Station 610 Comment
  UCR130164  Juncus effusus subsp. austrocalifornicus H. M. Hall 1897-8-11 831 Riverside San Jacinto Mtns., vicinity of Strawberry Valley 1646 Comment
  RSA357162  Juncus luciensis Robert F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  POM78994  Juncus mexicanus I. M. Johnston 1925-7-19 s.n. Riverside Pedley - Norco Road, 4 miles SSE of Wineville. Comment
  UC1106410  Juncus oxymeris Peter Kamb 1948-7-11 1195 Riverside Hall Canyon San Jacinto Mountains 1645 Comment
  UCR35289  Juncus oxymeris L. B. Ziegler 1972-6-28 488 Riverside San Jacinto Mtns., Penrod Canyon (a tributary of the S Fork of the San Jacinto River) --upper Hemet (Garner) Valley. 1570 Comment
  UCR57987  Juncus oxymeris Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  CAS-BOT-BC85414  Juniperus californica Ivan Johnston 1917-4-4 1104 Riverside Palm Canyon 762 Comment
  RSA757748  Juniperus californica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4346 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA663896  Justicia californica C. R. Annable 1995-3-12 2273 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  UC951235  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Palm Springs, Tahquitz Wash 138 Comment
  UCSB16172  Justicia californica Gerhart, Janet 1963-4-6 Riverside 5.2 miles wouth of U.S. Highway 60-70 on mine road, 11.5 miles east of turnoff to Jashua Tree National Monument 396 Comment
  SBBG129034  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd, 0.35 mi W of I-10 jct 114 Comment
  SEINET3102118  Kallstroemia californica Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17459 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  RSA424817  Keckiella antirrhinoides N. C. Cooper 1944-6-4 1329 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  UC886790  Keckiella antirrhinoides I. W. Clokey and E. G. Anderson 1936-4-16 6885 Riverside e of Hemet (hillside along San Jacinto River) 600 Comment
  CAS-BOT-BC236708  Keckiella antirrhinoides subsp. antirrhinoides L. Street 1917-5-15 1932 Riverside Between Elsinore and Perris Comment
  NY786540  Keckiella antirrhinoides var. antirrhinoides G. R. Campbell 1951-4-22 16072 Riverside Highway 74, between Hemet and Idyllwild, 4 miles above Cranston Ranger Station 1005.8 Comment
  RSA400444  Keckiella cordifolia H. de Forest, Jack Rempel 1933-6-25 18022 Riverside Along road to Banning, San Jacinto Mts Comment
  RSA678931  Keckiella cordifolia Scott D. White, Michael Honer 2003-6-3 9474 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA400463  Keckiella rothrockii subsp. jacintensis M. B. Dunkle 1933-7-19 3686 Riverside Tahquitz Ridge. 2561 Comment
  UCR168137  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 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
  UC1971158  Kickxia elatine Scott D. White June 17-20, 1998 6753 B Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan / Cajalco Rd. junction south and east to Santa Rosa Mine / Post Rd. junction. USGS Steele Peak 7 1/2' Quad. Comment
  POM263183  Koeleria macrantha J. C. Roos 1937-5-10 457 Riverside South of Lake Elsinore Comment
  UCD85970  Koeleria macrantha F. M. Reed 1924-4-20 5133 Riverside Kyle canon on Box Springs Mountain. 426 Comment
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May 1 2011
  SD260062  Krameria bicolor J. Andre 2012-4-11 20790 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky (granitic) hills and large wash. 729 Comment
  UCR85433  Krameria erecta George K. Helmkamp 1994-4-26 88- 3 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA778522  Krameria erecta Amber Swanson, Linda Jean Foster 2011-10-8 635 Riverside Large wash off Blythe Rice Rd 270 Comment
  POM182416  Krameria grayi E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  RSA408606  Krameria grayi Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA506754  Krameria grayi D. F. Howe 1980-4-15 s.n. Riverside 5 miles W of Mesa Verde, South slope o McCoy Mtns, Hwy 10. Comment
  UC449697  Krameria grayi E. E. Schellenger 1911-4-25 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs Comment
  UC1605434  Lagophylla ramosissima Steve Boyd and Tim Ross 1994-9-14 8342 Riverside about 0.5 mi s Serrano Spring (sw edge of Oak Flats area); Southern Santa Ana Mountains, Cleveland NF, San Mateo Cany 731 Comment
  CAS-BOT-BC272428  Lamarckia aurea H. M. Hall 1900-5-29 1385 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 533 Comment
  POM352657  Lamarckia aurea N. C. Cooper 1947-4-5 2108 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA0013708  Lamium amplexicaule LeRoy Gross, Grace Cho 2013-4-9 6005 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
  UCR97440  Lamium amplexicaule A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19861 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR99856  Lamium amplexicaule Scott D. White 1993-3-3 1101 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  SEINET8729313 Image available Langloisia flaviflora Helen K. Sharsmith 1952-1 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument, Riverside County. Altitude ca. 2000 feet. 610 Comment
  UCR25377  Langloisia schottii John C. Roos, Lucille Roos 1949-4-6 4149 Riverside Sonoran (Colorado) Desert, c. 10 mi. east of Mecca, at the south face of the Orocopia Mtns. Comment
  RSA0084167  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1456 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA0034156  Larrea tridentata M. Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  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
  SD119901  Lasthenia californica Robert McAllister 1969-4-21 343 Riverside San Jacinto Valley; from area near Avery Canyon. 490 Comment
  SD144037  Lasthenia californica Scott D. White 1997-2-28 4724 Riverside Elsinore area: SE of Hwy 74, ca. 1 mi E of jtn. with I-15 Freeway. 459 Comment
  RSA0106323  Lasthenia chrysostoma Lyman Benson 1946-4-15 12028 Riverside 2 miles east of Banning. 609 Comment
  CAS-BOT-BC353284  Lasthenia coronaria H. M. Hall 1903-4-1 3832 Riverside Vicinity of Riverside 365 Comment
  UCR88738  Lasthenia coronaria A. C. Sanders, K. C. Rose 1995-4-5 16366 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  POM6022  Lasthenia gracilis F. M. Reed 1905-2-26 670 Riverside Riverside. Comment
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Apr 30 2011
  RSA543858  Lasthenia gracilis Steve Boyd, David E. Bramlet 1991-5-13 6236 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR121786  Lasthenia gracilis A. C. Sanders, Carolyn Washburn 2001-4-17 24045 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR171719  Lasthenia gracilis John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  CAS-BOT-BC321563  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside West of Split Rock Tank, Joshua Tree National Monument Comment
  UC495299  Layia platyglossa Philip A. Munz 1932-3-24 12022 Riverside n Elsinore 304 Comment
  UCR111766  Layia platyglossa Mitch Provance 1998-3-10 202 Riverside Lake Mathews, Meadow near the corner of La Sierra Ave. and Cajalco Rd., on the SW side of the lake, south of the dam. 412 Comment
  UCR12202  Layia platyglossa S. W. Berthel 1971-5-27 s.n. Riverside Box Springs Mtns, Just above 'C' Comment
  POM4843  Layia platyglossa subsp. campestris H. M. Hall 1902-04 2758 Riverside Vicinity of Winchester 427 Comment
  UCR201455  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA736734  Lemna Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10690 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  POM13010  Lemna gibba Philip A. Munz, I. M. Johnston 1922-5-19 5437 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  RSA604718  Lemna gibba L. C. Wheeler 1961-6-24 7914 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UCR121806  Lepidium dictyotum var. dictyotum A. C. Sanders, Carolyn Washburn 2001-4-17 24062 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UC494743  Lepidium fremontii C. L. Hitchcock 1932-4-8 12221 Riverside 1 mi w Cottonwood Springs (e Riverside County) Comment
  JOTR35354  Lepidium fremontii var. fremontii Andre, Jim 2012-4-11 20682 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  JOTR37718  Lepidium fremontii var. fremontii Hodges, Stephen R., T. Hender 2016-1-13 649 Riverside Joshua Tree National Park. Southern Pinto Basin between Eagle Mountains and the Coxcomb Mountains. Vicinity of Pinto Wells. Comment
  POM118634  Lepidium lasiocarpum Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  RSA429927  Lepidium lasiocarpum E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  UCR140329  Lepidium lasiocarpum A. C. Sanders, Guy Bruyea 2004-4-2 27424 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR266358  Lepidium lasiocarpum D. E. Bramlet 2005-6-28 3886 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  RSA781362  Lepidium latipes A. C. Sanders, T. B. Salvato 2011-4-1 38941 Riverside Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  SBBG101735  Lepidium nitidum S. Boyd with D. Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet, along upper Salt Crk drainage, N of Santa Fe Railroad tracks, W of San Diego Aqueduct; T5S, R2W, S1/2, NW1/4 of S24 Comment
  SBBG101691  Lepidium virginicum S. Boyd with T. Ross 1991-6-14 6361 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
  RSA653419  Lepidium virginicum var. pubescens Scott D. White 1999-5-24 7386 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SD262251  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 62 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 392 Comment
  UCR220117  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2633 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  UCR256748  Lepidium virginicum var. robinsonii T. B. Salvato, Thomas M. Sullivan Jr 2013-4-16 7547 Riverside Gavilan Hills, extension of Lake Street north of the Temescal Canyon, and c. 0.41 mi north of the junction with Hwy I-15 454 Comment
  SDSU12989  Lepidospartum squamatum Michael G. Simpson with Claudia A. Luke 1999-10-27 2012 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  UC64801  Lepidospartum squamatum E. E. Schellenger 1904-10-15 45 Riverside Whitewater wash Colorado Desert Comment
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Jan 1 2015
  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
  UC1618004  Leptosiphon Donald G. Nelson 1936-5-23 404 Riverside San Jacinto Mountains. Idyllwild, Fern Canyon, among forest of pines. Comment
  RSA152143  Leptosiphon ciliatus Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  POM364644  Leptosiphon liniflorus N. C. Cooper 1944-5-20 1294 Riverside Banning. 701 Comment
  RSA526130  Leptosiphon parviflorus Steve Boyd, T. S. Ross 1990-5-11 4643 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR202034  Lessingia filaginifolia Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  RSA773470  Lessingia glandulifera var. glandulifera Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 B Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UC1287416  Lessingia glandulifera var. glandulifera Willard Spence 1962-6-24 682 Riverside 7.8 mi e of Temecula and route 395; Radec Comment
  SDSU1092  Leymus condensatus Richard C. Schwenkmeyer 1975-6-22 Riverside Collected at Dripping Springs Forestry Campground. Comment
  RSA357754  Lilaea scilloides Robert F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR189810  Lilium parryi Josh Koepke 2005-8-10 067 Riverside Peninsular Range- San Jacinto Mountains, Northern region of San Jacinto Mts, c. 1 km northeast of Highway 243, in stream above (east) Dark Canyon campground road 1767 Comment
  UCR233583  Limonium duriusculum A. C. Sanders, John F. Green 2012-3-26 39993 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, S of I-15 Fwy and c. 390 m east of Horsethief Canyon Rd., N of Kicking Horse Dr. 395 Comment
  RSA720443  Limosella acaulis Naomi S. Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1706 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  UCR121237  Linanthus ciliatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2295 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA689372  Linanthus dianthiflorus Scott D. White 2001-4-19 8377 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  RSA773182  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-27 1133 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  SBBG98235  Linanthus dianthiflorus N. C. Cooper 1944-3-24 1014 Riverside Banning 701 Comment
  UC23484  Linanthus dianthiflorus A. J. McClatchie 1892-4-26 35 Riverside near Elsinore Comment
  UC880340  Linanthus dianthiflorus I. W. Clokey and B. C. Templeton 1930-4-9 4678 Riverside n of Banning 900 Comment
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Mar 13 2011
  RSA232996  Linanthus dianthiflorus subsp. dianthiflorus D. A. Young 1969-4-12 P- 389 Riverside 10 mi SE of Hemet, 200 yrs. E. of State St. in a wash. 335 Comment
  RSA543897  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1991-5-20 6272 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UC219561  Linanthus liniflorus P. A. Munz 1922-6-23 5781 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR171972  Linaria canadensis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  POM12073  Linum lewisii Mary F. Spencer 1921-6-16 981 Riverside Idyllwild, San Jacinto Mts. 1616 Comment
  UCR100153  Lithophragma Scott D. White 1994-4-23 2035 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UCR25552  Lithophragma affine John C. Roos 1941-4-19 168 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  UC147174  Lobelia dunnii var. serrata J. E. Roadhouse Aug. 1905 550 Riverside Temescal Mountains, Coldwater Canyon Coldwater Canyon; Temescal Mountains, Coldwater Canyon Comment
  UCR177399  Loeflingia squarrosa Marisa Sripracha, K. A. Boyd 2004-3-21 055 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  JEPS48798  Loeseliastrum schottii Marjorie D. Clary 1932-6-5 927 Riverside w. Colorado Desert, Santa Rosa Mts., Dead Indian Trail Comment
  RSA468342  Loeseliastrum schottii Christopher Davidson, A. Suprenant, Alan Romspert 1979-4-29 7809 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UC909104  Loeseliastrum schottii Frank W. Peirson 1926-2-22 6506 Riverside n. of grove palms 1000-Palm Canyon 152 Comment
  UCR60933  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3195 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  UCR276654  Logfia depressa Jim Andre 2015-3-6 33548 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 Comment
  JEPS20883  Logfia filaginoides W. L. Jepson 1935-4-17 19153 Riverside 1.5 mi in Elsinore 457 Comment
  JEPS33559  Logfia filaginoides W. L. Jepson 1928-4-19 12428 Riverside hills 5 mi n Elsinore 609 Comment
  SD137889  Logfia gallica Darin L. Banks, Steve Boyd 1995-5-9 334 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
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Apr 15 2009
  SDSU13931  Logfia gallica Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2096 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR90342  Logfia gallica Scott D. White 1995-6-30 3439 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR54312  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SEINET251728 Image available Lolium rigidum Walter Graves 2002-5-15 502 -12 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  UC818811  Lolium temulentum P. A. Munz and I. M. Johnston 1922-5-19 5383 Riverside 8 mi ne Murietta Comment
  RSA720437  Lomatium dissectum var. multifidum Naomi Fraga, Bryan Carey 2006-6-1 1687 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  RSA594770  Lomatium lucidum D. L. Banks, Dylan Hannon 1996-5-3 991 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 300 m E of the Dripping Springs Guard Station. 487 Comment
  UC56509  Lomatium utriculatum H. M. Hall May, 1901 Riverside West Riverside Comment
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  RSA132823  Lonicera interrupta P. H. Raven 1958-5-17 12950 Riverside 7.4 miles south-east of Banning on road to Idyllwild, Sam Jacinto Mountains. Comment
  CAS-BOT-BC234804  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi. N of Kearsarge Rd. 1188 Comment
  RSA709073  Lotus argophyllus T. B. Salvato, John Green 2004-5-27 632 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
  RSA406103  Lotus crassifolius N. C. Cooper 1944-6-17 1408 Riverside San Jacinto Mountains, Pine Cove 1524 Comment
  RSA761276  Lotus crassifolius Shawn Krosnick, Lucinda A. McDade, Naomi Fraga 2010-8-14 676 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR17999  Lotus heermannii Steve Boyd 1979-12-16 791216 04 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon 2.5 mi north of I-10 Comment
  RSA792924  Lotus humistratus A. C. Sanders 2011-4-7 39033 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR242666  Lotus nevadensis A. C. Sanders 2013-7-6 40856 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  JEPS55538  Lotus nevadensis var. nevadensis W. L. Jepson 1903-8-7 2287 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  RSA0034406  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6721 Riverside Hemet lake 1300 Comment
  POM243699  Lotus procumbens var. procumbens E. C. Jaeger 1938-5-14 s.n. Riverside Near Stubbe Springs, Joshua Tree National Mon. 1402 Comment
  JEPS55820  Lotus rigidus L. M. Newlon 1922-4-4 460 Riverside Palm Canyon San Jacinto Mts. Comment
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  UC1287105  Lotus rigidus C. L. Hitchcock 1966-3-16 24197 Riverside 10 mi s Palm Desert (along Palm to Pines Hwy) 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
  SEINET8721510 Image available Lotus rigidus Lewis S. Rose 1938-1 38336 Riverside 15 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 671 Comment
  UC310841  Lotus salsuginosus Philip A. Munz 1925-5-20 9831 Riverside 2 mi w Dripping Spring 426 Comment
  UCR125296  Lotus scoparius A. C. Sanders 2002-11-21 25625 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  RSA717050  Lotus scoparius subsp. 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 366 Comment
  UCR176912  Lotus scoparius subsp. brevialatus Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR182501  Lotus scoparius subsp. brevialatus Andrea Salzman, Ricky Escobar, et al 2006-4-10 45 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  RSA613457  Lotus scoparius var. brevialatus D. L. Banks, Victor W. Steinmann 1997-3-13 1435 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  HSC85457  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA406324  Lotus strigosus M. B. Dunkle 1937-3-25 4960 Riverside Dry Morongo. Comment
  RSA772857  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4822 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
  SEINET7073384  Lotus strigosus 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
  UCR103991  Lotus strigosus George K. Helmkamp 1998-4-3 3086 Riverside Sonoran (Colorado) Desert, West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. north of Tamarack Rd on Cottonwood Rd. 1280 Comment
  UCR171907  Lotus strigosus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR90370  Lotus strigosus Scott D. White 1995-6-30 3430 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA621874  Lotus strigosus var. hirtellus R. S. Woglum 1937-5-22 590 Riverside Santa Rosa Mountains. Comment
  POM6857  Lotus strigosus var. tomentellus P. A. Munz, L. T. Street, G. Williams 2319 Riverside mouth of Palm Canyon 213 Comment
  UCR241520  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40648 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA122884  Lotus tomentellus H. S. Yates 1937-3-23 6444 Riverside 15 miles NNE of Mecca 457 Comment
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Dec 18 2011
  JEPS64934  Lupinus arizonicus W. L. Jepson 1928-4-23 12553 Riverside wash 2 1/2 mi below Cottonwood Springs; Cottonwood Mts., below Cottonwood Spring 487 Comment
  RSA0121048  Lupinus arizonicus Duncan S. Bell, LeRoy Gross 2016-3-29 9119 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA414838  Lupinus arizonicus E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  RSA48410  Lupinus arizonicus E. K. Balls 1949-4-2 12895 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
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Jun 24 2012
  UCR1530  Lupinus arizonicus W. R. Moberly 1962-3-25 620325- 01 Riverside Western Colorado Desert, Coachella Valley, 5 mi north of 1000 Palms, along old Hwy 99 305 Comment
  UCR167394  Lupinus arizonicus 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
  SEINET10488557  Lupinus arizonicus David Charlton 1988-2-18 Charlton 1194 Riverside Alluvial fan, s side of little san bernardino mtns. Fargo canyon road to Cottonwood wash, s of joshua tree national park, parallel to i-10. Creosote Bush scrub. 5 Miles e of jct. Dillon rd. And fargo cyn rd. Stable and disturbed Upper bajada with encelia, larrea. Common blue-flowered 1' annual on upper Bajada 762 Comment
  RSA0013624  Lupinus bicolor LeRoy Gross, Duncan S. Bell 2013-4-30 6031 Riverside 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. 1510 Comment
  RSA502924  Lupinus bicolor Ed LaRue 1989-4-7 s.ns Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  POM350060  Lupinus bicolor subsp. microphyllus E. Crow 1929-2-24 176 Riverside Near Cabazon, NW Colorado Desert Comment
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Mar 13 2011
  LA205082  Lupinus excubitus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA413768  Lupinus excubitus var. austromontanus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
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Nov 29 2010
  JOTR16714  Lupinus excubitus var. hallii Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA430395  Lupinus formosus M. L. Conrad, David B. Dunn, LeDoux 1973-6-15 292 Riverside 5.9 miles SE of Jct. of Idlewild Road and Hwy 74 on 74. 1220 Comment
  RSA503811  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  SEINET8042171  Lupinus formosus E. A. Zumbro 399 Riverside Jan Jacinto Mt. Comment
  RSA413702  Lupinus hirsutissimus N. C. Cooper 1944-6-4 1360 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA528098  Lupinus hirsutissimus Steve Myers 1991-4-15 91 -20 Riverside City of Banning, W of fields Road, N of Interstate 10 and S o the Morongo Indian Reservation. 671 Comment
  UC917869  Lupinus hirsutissimus Frank W. Gould 1943-4-18 2141 Riverside on Idlewild cutoff near Banning; near Banning Comment
  UCR84944  Lupinus hirsutissimus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16231 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SEINET8042261  Lupinus hirsutissimus Unknown 404 Riverside Boxsprings Mts. Comment
  UCR6032  Lupinus longifolius Sally Crum 1966-3-20 s.n. Riverside Santa Ana Mtns, 1 mi [west] of Murrieta, on grassy slope of a small cultivated hill by side of Tenaja Rd 1067 Comment
  RSA716394  Lupinus microcarpus var. densiflorus Scott D. White, Angelia Carey 2004-4-5 9980 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET10490185  Lupinus polyphyllus subsp. bernardinus David B. Dunn 1946-8-17 Dunn 2688 Riverside Collected in san jacinto mtns. Grass near stream at camp in taquity valley, Damp meadow area. 2438 Comment
  JOTR29606  Lupinus sparsiflorus Andre, Jim 2006-4-26 6763 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA501045  Lupinus sparsiflorus Steve D. Boyd 1989-4-1 3166 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC68636  Lupinus sparsiflorus H. M. Hall Apr 1905 5759 Riverside Palm Springs; Colorado Desert 152 Comment
  RSA336412  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52056 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  CSUSB1452  Lupinus succulentus Leland E. Francois 1966-3-21 32166 6 Riverside City of Riverside 100 yards north of intersection of Van Buren Ave. and Acorn St., on Acorn St. Sandy soil along railroad tracks. 274 Comment
  UCR21905  Lupinus succulentus Steve Boyd 1980-5-8 215 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA5005  Lupinus truncatus Carl B. Wolf 1932-3-20 5 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  UCR174168  Lupinus truncatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32602 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA69479  Luzula comosa F. W. Peirson 1922-5-19 3039 Riverside San Jacinto River. 1143 Comment
  CAS-BOT-BC231415  Lycium andersonii W. L. Jepson 1912-10-28 5240 Riverside Riverside Mts., Colorado River 121 Comment
  CAS-BOT-BC231426  Lycium andersonii Mrs. Robert Campbell 1921-11-26 12 Riverside Palm Canyon Comment
  CHSC1919  Lycium andersonii M. Anthony 1954-4-15 Riverside So. of Joshua National Monument, near Hiway 60. Comment
  RSA0015686  Lycium andersonii Duncan S. Bell 2013-9-29 6044 Riverside Chuckwalla Mountains; south side of Corn Springs Wash, in small side canyon approximately 1.6 air miles west of Corn Springs. 588 Comment
  RSA554024  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SBBG87838  Lycium andersonii A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6094 Riverside wash below Corn Spring, Chuckwalla Mtns 487 Comment
  CAS-BOT-BC231645  Lycium fremontii R. H. Peebles 1929-3-10 17 Riverside Tauquitz [Tahquitz] Canyon, near Palm Springs Comment
  CLARK-A1656-853  Lythrum californicum Jon Mark Stewart 1983-10-31 Riverside San Jacinto Mountains 548 Comment
  NY214798  Machaeranthera canescens L. B. Ziegler 1969-9-30 s.n. Riverside North slope of Santa Rosa Mts. 1981.2 Comment
  UCR20174  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 to summit Comment
  CLARK-A1528-2001  Machaeranthera cognata John C. Roos 1947-1-2 3226 Riverside Painted Canyon Comment
  UCR159187  Madia gracilis A. C. Sanders, Kelly Volansky 2005-8-31 31564 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
  RSA500088  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3224 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCR102048  Malacothamnus fasciculatus B. G. Pitzer 1997-4-20 3171 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  RSA0048228  Malacothrix californica Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Hgw., E. slope of Santa Rosa Mts. Comment
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  UC1979538  Malacothrix clevelandii Darin L. Banks, Peter Morrell 1995-5-4 310 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  CAS-BOT-BC347697  Malacothrix glabrata A. C. Sanders; Mitch Provance; T. B. Salvato 2001-4-6 23934 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  CDA20796  Malacothrix glabrata G. F. Hrusa, J. A. Hart 1993-4-4 10598 Riverside Cholla Garden, Joshua Tree N.M. Comment
  RSA543755  Malacothrix glabrata Steve Boyd, Mike Hammitt 1991-5-2 6075 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
  UC1478690  Malacothrix glabrata Barry Prigge with L. Martinez 1978-3-23 2413 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UCR37450  Malacothrix saxatilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  SEINET269556  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  UC354462  Malacothrix saxatilis var. tenuifolia Edmund C. Jaeger 1925-7-2 Riverside Jack Rabbit Trail between Moreno and Beaumont Comment
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Mar 21 2011
  UCR176693  Malva parviflora R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Peninsular Range, Murrieta Township, Rancho Pauba, Hwy 71 [=79] at Temecula River Comment
  POM128975  Marina parryi Childs 1920-12-1 s.n. Riverside Martinez Canyon, Santa Rosa Mts, Colorado Desert 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
  RSA409844  Marrubium vulgare Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  UCR241681  Matricaria discoidea T. B. Salvato 2013-3-22 7396 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  SEINET10615460  Matricaria globifera Andrew C. Sanders 2001-5-8 Sanders 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. (Riverside east 7.5' Q, T3S R4W S26, SE/4). Weedy roadside on disturbed plains. 465 Comment
  UCR266267  Matricaria occidentalis D. E. Bramlet 2006-6-12 4020 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, SW of Hemet, south of Stetson Ave. along EMWD canal right-of-way 457 Comment
  CAS-BOT-BC422725  Meconella denticulata John Thomas Howell 1931-5-30 6594 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  POM348038  Medicago polymorpha N. C. Cooper 1944-4-22 1129 Riverside Banning. 732 Comment
  RSA586854  Melica frutescens D. L. Banks, Steve Boyd 1995-5-3 273 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
  UCR139118  Melica frutescens D. L. Banks 1997-4-5 1675 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  CAS-BOT-BC281605  Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 miles NW of Elsinore 457 Comment
  HSC79631  Melica imperfecta Paul Bailey 1972-5-14 132 Riverside 5 mi. SE of Temecula, Hwy. S 16, Pechanga Canyon. 671 Comment
  RSA249842  Melica imperfecta R. F. Thorne, J. P. Simon, CW Tilforth 1969-6-24 38107 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA750741  Melica imperfecta Scott D. White, Justin M. Wood 2009-5-22 12908 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  SD137950  Melica imperfecta Darin L. Banks, Steve Boyd 1995-3-30 124 Riverside N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail 725 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
  SEINET949795 Image available Melica imperfecta Mitch Provance 2003-1 9906 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 274 Comment
  UCR163584  Melica imperfecta Tracy Tennant 1998-5-27 s.n. Riverside Beaumont Badlands, Dellamont Peak, c. 3.5 miles ESE of Gilman Hot Springs 1159 Comment
  UCR24053  Melica imperfecta John C. Roos 1950-4-22 4754 Riverside Summit of Reche Canyon. 0.5 mi NE of the summit 793 Comment
  RSA741426  Melilotus indicus Justin M. Wood 2008-12-2 264 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR241210  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 02 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  RSA651057  Melilotus indicus Margaret Murphy 1983-5-21 0038 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  CLARK-A1528-5703  Menodora spinescens John C. Roos 1948-5-15 3860 Riverside Eagle Mountain Comment
  RSA740787  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SD225008  Mentha spicata var. spicata Scott D. White 1996-8-15 4477 Riverside Strawberry Creek at Hwy 74 bridge. 883 Comment
  JEPS29275  Mentzelia desertorum Rimo Bacigalupi, L. Heckard and P. Hutchison 1962-3-21 8343 Riverside 2.3 mi below and sw Shavers (along Calif. Highway 195); Box Canyon Wash 243 Comment
  CSUSB970  Mentzelia involucrata Art Whistler 1966-3-26 s.n. Riverside 1 mile below the entrance to the Philip L. Boyd Desert Reseach Center, Deep Canyon. 100 yards off the road in a deep wash Comment
  JEPS42806  Mentzelia involucrata W. L. Jepson 1927-4-12 11646 Riverside Mecca Hills, Painted Canyon 121 Comment
  RSA720424  Mentzelia involucrata M. B. Dunkle 1933-3-4 3053 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SD260066  Mentzelia involucrata J. Andre 2012-4-11 20787 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Train), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UC1922408  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC311294  Mentzelia involucrata Philip A. Munz 1926-1-1 10819 Riverside Thousand Palms Comment
  UCR74382  Mentzelia involucrata Theo Glenn 1991-5-2 91- 29 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB24938  Mentzelia involucrata Keefe, Joseph 1967-3-23 Riverside Whitewater Canyon Road, 1.9 miles north of U.S. Highway 99, east of Banning 609 Comment
  RSA78453  Mentzelia involucrata var. megalantha Verne Grant, Alva Grant 1952-4-1 17518 Riverside 9 miles E of Mecca Comment
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Dec 14 2011
  CAS-BOT-BC332724  Mercurialis annua O. F. Clarke 2011-2-27 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 365 Comment
  UCR241672  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  UCR112390  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 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
  UCR225594  Microseris douglasii A. C. Sanders, T. B. Salvato 2011-3-29 38867 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  RSA357122  Microseris heterocarpa R. F. Thorne 1973-5-23 45513 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA522706  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3893 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  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
  UCR180042  Microseris lindleyi Mitch Provance 2005-5-18 9813 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UC943875  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1893 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  UCR251870  Mimulus aurantiacus M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  JEPS122478  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains; along Highway 243, 8.6 miles south of Interstate 10 (Banning), just northeast o Hungry Hollow and Poppet Flat; San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  POM8005  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2285 Riverside Butte west of Lakeview. 610 Comment
  POM8476  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2296 Riverside Butte west of Lakeview. 610 Comment
  UCR116519  Mimulus aurantiacus var. pubescens Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  LA209131  Mimulus aurantiacus var. puniceus L. Haines; L. Erickson 1937-4-9 sn Riverside Hemet road near Winchester turnoff Comment
  RSA559464  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross 1992-5-5 7213 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UC511176  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside summit Temecula Grade 609 Comment
  CLARK-A1528-859  Mimulus bigelovii Charlotte Stocks 1963-4-15 Riverside Box Canyon Comment
  RSA0123294  Mimulus bigelovii Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8978 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA500541  Mimulus brevipes Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3611 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR157952  Mimulus brevipes T. B. Salvato, A. C. Sanders 2005-5-17 931 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
  RSA282793  Mimulus diffusus C. W. Tilforth, B. Busenberg 1980-6-10 1988 Riverside Along Thomas Mtn. Rd. West of Hwy 74 and south of Lake Hemet. Comment
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May 23 2008
  RSA50325  Mimulus diffusus E. K. Balls 1949-5-4 13488 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1372 Comment
  UCR193862  Mimulus floribundus A. C. Sanders, Mitch Provance 2008-7-11 35768 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
  RSA408105  Mimulus fremontii R. S. Woglum 1937-5-22 534 Riverside Anza, Cahuilla Valley. Comment
  RSA0048276  Mimulus fremontii Lee Haines 1935-6-30 s.n. Riverside Poppets Valley. Comment
  RSA395895  Mimulus fremontii var. fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  UC454134  Mimulus fremontii var. fremontii I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. 914 Comment
  CSUSB887  Mimulus guttatus Jean Texera 1970-5-17 20 Riverside 5 miles south of Murrieta on road to De Luz, 20 yards from along stream. 152 Comment
  UC886214  Mimulus guttatus Carl B. Wolf 1932-5-25 3673 Riverside 1 mi below, n base of mts. Fish Hatchery; San Jacinto Mts., Snow Creek Canyon 396 Comment
  CLARK-A1528-4264  Mimulus pilosus John C. Roos 1936-9-15 2511 Riverside San Jacinto Mountains Comment
  UCR108858  Mimulus pilosus Heidi A. Haid 1969-1 s.n. Riverside San Jacinto Mtns, Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR207639  Mimulus pilosus O. F. Clarke 2005-6-19 s.n. Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, off Idaleona Rd. 686 Comment
  UCR21163  Mimulus pilosus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR281212  Mimulus pilosus Mitch Provance, John Hazlett 2017-4-27 417- 26 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  RSA559437  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  JOTR32838  Mirabilis albida La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1548 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  SEINET272153  Mirabilis californica A. C. Sanders 1997-3-1 19 Riverside Box Springs Mountains: S end of the range along Gernert Rd. in valley drainging to Box Spring Cyn. 457 Comment
  CLARK-A1528-3924  Mirabilis laevis Charles S. Papp 1965-5-5 822 Riverside Highgrove Comment
  POM214539  Mirabilis laevis var. crassifolia Joseph A. Ewan 1932-4-8 7042 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  UCR272255  Mirabilis laevis var. crassifolia Duncan S. Bell, Amanda Turek 2009-3-30 170 Riverside Mojave Desert, southeast section of the Arica Mountains, c. 1.25 air miles southwest of Priest Well 349 Comment
  POM294052  Mirabilis laevis var. retrorsa Lyman Benson 1945-3-29 11623 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA464823  Mirabilis laevis var. retrorsa N. C. Cooper 1949-4-24 3643 Riverside Devil s Cactus Garden, Colorado Desert. 244 Comment
  SBBG22926  Mirabilis laevis var. villosa D. Myrick 1965-3-4 1085 Riverside off Palms to Pines Hwy 74 914 Comment
  POM13389  Mirabilis tenuiloba E. C. Jaeger 1922-3-18 1026 Riverside Palm Springs, Tahquitz Canyon. Comment
  JOTR36445  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3415 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
  JOTR38682  Mohavea confertiflora Hodges, Stephen R. 2017-2-7 698 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  POM44293  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  RSA408770  Mohavea confertiflora Robert Gustafson 1983-3-27 2479 Riverside Dry rocky canyon southwest of Lake Cahuilla. Comment
  RSA679072  Monardella australis subsp. australis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1449 Riverside Tahquitz Peak, on saddle east of summit 2637 Comment
  UCD125187  Monardella breweri subsp. lanceolata R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  VVC1939  Monardella breweri subsp. lanceolata Tim Thomas, C. Sanders 2008-6-24 4526 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  UC218113  Monardella linoides subsp. linoides P. A. Munz 1922-6-30 5921 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR85319  Monardella macrantha subsp. hallii A. C. Sanders, S. D. White, C. L. Sanders 1994-12-18 15896 Riverside San Jacinto Mountains, Old Idyllwild Control Rd at & just below Halfway Spring. 1100 Comment
  UC1499858  Monardella nana Elizabeth McClintock 1940-5-19 5 Riverside 1/4 mi off Pines to Palms Highway on road to Santa Rosa Mt. Comment
  UC1499897  Monardella nana Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt., 0.6 mi les above Pines to Palms Highway Comment
  RSA50569  Monardella nana subsp. arida E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  UCR221485  Monardella nana subsp. tenuiflora Elizabeth McClintock, Harlan Lewis 1941-6-22 071 Riverside Peninsular Range; San Jacinto Mtns., 0.1 mile from fork in road going to the [Dark Canyon, etc.] public camps, on the Banning-Idyllwild road 1905 Comment
  UCR132730  Monardella robisonii A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-5-11 24254 Riverside Mojave Desert, Joshua Tree National Park, Jumbo Rocks 1341 Comment
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Apr 21 2013
  RSA0102803  Monolepis nuttalliana Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8102 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  CAS-BOT-BC349808  Monoptilon bellioides LeRoy Abrams 1903-4-6 3210 Riverside Palm Springs Station Comment
  POM10253  Monoptilon bellioides Charlotte M. Wilder 1907-04 s.n. Riverside Palm Springs. Comment
  POM183980  Monoptilon bellioides P. A. Munz 1932-3-14 11997 Riverside Palm Springs. 91 Comment
  POM363590  Monoptilon bellioides Gus Gluechert 1937-4-24 s.n. Riverside San Jacinto Mts Comment
  POM8412  Monoptilon bellioides Mary F. Spencer 1920-4-7 1479 Riverside Palm Canyon, Colorado Desert 183 Comment
  UC1069984  Monoptilon bellioides H. S. Yates 1936-4-7 5425 Riverside near Whitewater; San Jacinto Quadrangle Comment
  RSA94166  Monoptilon bellioides F. W. Peirson 1926-1-31 6491 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  CAS-BOT-BC275298  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash, Joshua Tree National Monument Comment
  CHSC61257  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. 487 Comment
  POM13028  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-13 4947 Riverside Eagle Mountains. 244 Comment
  RSA559443  Muhlenbergia microsperma Steve Boyd 1992-4-15 6869 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA718838  Muhlenbergia microsperma Michael Honer, L. Hulse 2005-3-8 2042 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  UCR260867  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-11 41398 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  JOTR32417  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  UCR6184  Muilla maritima C. M. Bringle, H. Johnston 1967-4-22 B670422- 7 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  RSA67109  Myosurus minimus subsp. apus F. W. Peirson 1922-4-29 2945 Riverside South of Lake Elsinore. 381 Comment
  RSA617800  Myosurus minimus var. filiformis R. E. Riefner 1998-3-22 98 -196 Riverside Glen Ivy Fault, Main Street Comment
  SD87753  Myriopteris covillei Frank W. Peirson 1921-3-22 2331 Riverside Murray CaA'on Comment
  RSA715323  Nama demissa Ora M. Clark 1929-3-16 1706 Riverside South Cabazon. Comment
  UCD87802  Nassella lepida A. A. Beetle 1943-4-27 1939 Riverside Near Beaumont. Comment
  SEINET231382  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama; Robert F. Thorn 1985-3-27 890 Riverside Santa Rosa Plateau Mesa de Colorado 610 Comment
  LA102250  Navarretia atractyloides John C. Roos; 1950-5-27 4818 Riverside NE summit of Reche Canyon 761 Comment
  SDSU13599  Navarretia atractyloides W. Miller, C. Mosse 1972-7-5 Riverside Comment
  RSA550484  Navarretia fossalis D. E. Bramlet 1992-4-29 2254 Riverside The site is approximatly 8km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  UC1922319  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Santa Ana Mtns: Rainbow area; mountain foothils west of I-15 Freeway and immediately N of San Diego County line. Comment
  UCR206020  Navarretia prostrata Diane Menuz 2009-5-14 495 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  SEINET3812583 Image available Nemacladus glanduliferus George K. Helmkamp 1983-4-5 483 -44 Riverside Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 488 Comment
  LA204530  Nemacladus gracilis Carl Epling; H. Lewis 1941-5-7 Riverside Joshua Tree National Monument, Pinto Basin Comment
  RSA0126450  Nemacladus longiflorus var. longiflorus C. W. Tilforth, B. Busenburg 1980-6-17 2012 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
  RSA777654  Nemacladus orientalis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 756 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA618161  Nemacladus ramosissimus D. L. Banks 1997-5-5 2024 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
  JEPS78489  Nemacladus sigmoideus W. L. Jepson 1928-4-25 12601 A Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains 731 Comment
  SBBG7470  Nemacladus tenuis var. tenuis H. and M. Dearing 1937-4-10 1834 Riverside Thousand Palms Cyn Comment
  CLARK-A1703-30  Nemophila menziesii Cameron Duncan 1966-3-9 Riverside Riverside 213 Comment
  POM3460  Nemophila menziesii Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR164572  Nemophila menziesii S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  JEPS12281  Nicotiana attenuata Carl V. Meyer 1928-7-26 523 a Riverside right above Dutch Flat (Hannah's sawmill); San Jacinto Mts. Comment
  CSUSB759  Nicotiana glauca I. Rauch 1968-3-23 Riverside Box Springs Mountains Box Springs Mountains Comment
  RSA772059  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4625 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JOTR16862  Nicotiana obtusifolia Vanderspek & Youse 1964-4-17 64510 Riverside Joshua Tree National Park. 883 Comment
  RSA0060151  Nicotiana quadrivalvis Justin M. Wood, Brandy Wood 2009-7-4 1044 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  POM11513  Nolina parryi Philip A. Munz 1922-6-30 5928 Riverside Santa Rosa Mountains, south of Santa Rosa. 1768 Comment
  CAS-BOT-BC71173  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  POM11862  Notholaena californica subsp. californica P. A. Munz, I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  SEINET7042765  Oenothera W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  JOTR30053  Oenothera californica subsp. avita La Doux, Tasha, Jade Mohajerin 2006-10-12 1663 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  UCSB54189  Oenothera californica subsp. avita McKinley, Gale 1985-3-26 Riverside 1/2 mile N. of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  POM307303  Oenothera californica subsp. californica Henry J. Ramsey 1937-5-30 2149 Riverside Santa Rosa Mountains. Comment
  RSA726579  Oenothera deltoides Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1428 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR85080  Oenothera deltoides A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16033 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA75413  Oenothera deltoides subsp. deltoides F. W. Peirson 1918-03 779 Riverside Irrigated field near Indio. Comment
  RSA698253  Oenothera scapoidea J. R. Bruff 1927-3-13 2 -P Riverside Thousand Palms Comment
  RSA785414  Oenothera scapoidea Keith E. Hoffmaster 1935-3-31 568 Riverside Palm Springs Comment
  UCR261218  Olea europaea A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41735 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  RSA597060  Olea europaea D. L. Banks, Lauren Raz 1996-11-5 1157 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  CAS-BOT-BC427470  Oligomeris linifolia John Thomas Howell 1928-1-28 3281 Riverside Thousand Palms, Colorado Desert Comment
  POM14086  Oligomeris linifolia P. A. Munz, D. D. Keck 1922-4-14 4961 Riverside Indian Wells 107 Comment
  SEINET7259337 Image available Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-1 29135 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass) 168 Comment
  POM96634  Oligomeris linifolia F. M. Reed 1926-3-4 5165 Riverside Near Thermal Comment
  SFV17326  Olneya tesota J. N. Hogue, J. D. Dilley 1998-4-23 108 .9 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR250210  Oncosiphon piluliferum A. C. Sanders 2014-4-23 41060 Riverside Peninsular Range, Temescal Valley, between Temescal Canyon Rd. and I-15, NW of Bernard St. 373 Comment
  SEINET4391063 Image available Opuntia basilaris var. basilaris L. Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground. 503 Comment
  SEINET9037813 Image available Opuntia basilaris var. basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18416 Riverside 1.5km north of the historic site of Whitewater, 16km NW of central Palm Springs, low slope to the west side of wash, granitic silt, fine sand, and gravel 474 Comment
  POM12613  Opuntia chlorotica P. A. Munz 1922-5-20 5571 Riverside Pipe Creek near Kenworthy, San Jacinto Mountains. 1448 Comment
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May 28 2011
  SEINET10820591  Opuntia chlorotica Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UCR42627  Opuntia littoralis A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6467 B Riverside San Jacinto Mountains Foothills, Bautista Canyon, 2 mi above the dam, southeast of Hemet 610 Comment
  POM305019  Opuntia parryi Lyman Benson 1962-2-17 16142 Riverside 4 miles northeast of Aguanga. 915 Comment
  SBBG87607  Opuntia phaeacantha A. C. Sanders, B. Parfitt, R. Anthony 1986-4-21 6464 Riverside rocky N-facing slope near the mouth of Hamilton Crk Cyn, 2.6 mi E of Anza Post Office on Hwy 371 Comment
  CAS-BOT-BC56230  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9459 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  UCR80290  Orcuttia californica P. A. Munz, I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 427 Comment
  UCSB56475  Orcuttia californica Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47300 Riverside collected in Rancho California at E-side of La Mesa del Burro Mesa del Burro 609 Comment
  SEINET4080621  Orcuttia californica L. M. Boykin, P. M. Hall 2001-1 Riverside Comment
  SEINET4080627  Orcuttia californica L. M. Boykin, P. M. Hall 2003-1 Riverside Comment
  UC218255  Orobanche californica subsp. feudgei Philip A. Munz 1922-6-26 5827 Riverside South slopes Santa Rosa Mountains. Comment
  JEPS85944  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  RSA0066528  Orobanche cooperi subsp. cooperi Frank W. Peirson 1924-12-30 5422 Riverside Thousand-Palms Canyon, Coachella Valley. 121 Comment
  RSA0124000  Orobanche fasciculata Duncan S. Bell, Thomas Stoughton 2016-4-13 9250 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA0059251  Orobanche parishii John C. Roos 1948-5-15 3848 Riverside Upper Lost Palms Canyon, Eagle Mts., Colorado Desert. Comment
  CLARK-A1528-7774  Orthocarpus purpurascens John C. Roos 1940-4-20 896 Riverside Reche Canyon Comment
  UCR92227  Osmorhiza brachypoda Steve Boyd, Darin Banks 1995-3-30 8412 Riverside Palomar Range, Agua Tibia Wilderness Area, N flank of A. T. Mtn, at W edge of the Dripping Springs Alcove in tributary of Kolb Crk just east of the old Woodchuck Truck Trail. 671 Comment
  RSA574735  Oxalis albicans subsp. californica Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills regiion, upper western flank of Estelle Mountain. 671 Comment
  CAS-BOT-BC7024  Oxytheca emarginata Harvey Monroe Hall 1901-7-1 2331 Riverside San Jacinto Mountains, near Tauquitz 2194 Comment
  RSA170153  Oxytheca emarginata L. B. Ziegler 1964-08 s.n. Riverside Road above Kenworthy Ranger Station, Garner Valley. 1463 Comment
  RSA64889  Oxytheca emarginata F. W. Peirson 1922-5-21 3034 Riverside Hemet Valley, San Jacinto Mts. 1372 Comment
  UCR18187  Oxytheca emarginata A. C. Sanders 1978-4-30 865 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  RSA0029414  Oxytheca perfoliata John F. Emmel 1996-4-20 1395 Riverside Joshua Tree National Park: along road near north base of Eagle Mts., ca. 1 air mi NW of Conejo Well. 976 Comment
  RSA519058  Oxytheca trilobata Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  UC64505  Oxytheca trilobata H. M. Hall June 1901 2082 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  CAS-BOT-BC327930  Palafoxia arida Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20460 Riverside Along Hwy 60, 1.5 mi SE of Garnet Hill. Comment
  CAS-BOT-BC327933  Palafoxia arida Paul F. Covel 1938-4-20 1181 Riverside Palm Springs Junction Comment
  CAS-BOT-BC327944  Palafoxia arida W R O no date on sheet 0423 Riverside Abandoned gravel pit between Colorado aqueduct and Granite Mts. 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
  SEINET269259  Palafoxia arida var. arida M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrb behind the debris basin dam in Palm Springs. 183 Comment
  UC51605  Palafoxia arida var. arida Jos. Burtt Davy 1902-4-2 8055 Riverside Salton Comment
  RSA0021419  Palafoxia linearis A. L. Haines 1974-4-9 s.n. Riverside Between Orocopia and Chuckwalla Mts. Comment
  VVC1448  Panicum capillare A. C. Sanders, J. Mac 1996-11-23 19662 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UCR101  Panicum urvilleanum S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  UC1595600  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside e of Dripping Springs Campground (in Cleveland National Forest, base of Agua Tibia Mountain, Vail Lake Area, s of Highway 79); Cleveland National Forest, Agua Tibia Mountain, Vail Lake Ar 548 Comment
  RSA0020380  Parietaria hespera Duncan S. Bell, Keir Morse 2013-3-30 4661 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  JOTR30675  Parietaria hespera var. hespera La Doux, Tasha, Jim Andre 2008-3-21 139 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  RSA559424  Parietaria hespera var. hespera Steve D. Boyd 1992-4-15 6877 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD6071  Parkinsonia florida unknown Mar 1914 Riverside Palm Springs Comment
  RSA0045516  Parosela parryi Mary Edmunds 1932-3-26 s.n. Riverside Oasis. [Most likely the city in Riverside County]. Comment
  RSA381088  Paspalum distichum R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61173 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
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Sep 7 2007
  RSA339231  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53597 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR274824  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Southcentral Mojave Desert, Rice Valley Dunes, Rice Valley Wilderness, Hwy 62 to Rice Valley Dunes Road to Midland Vidal Road, power line access road. South/southeast side of dunes 244 Comment
  RSA777852  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 842 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
  SD28017  Pectocarya heterocarpa Carl B. Wolf 1932-4-27 3041 Riverside Colorado Desert, Mecca to Blythe Road, 3/4 mile west of Utopia 149 Comment
  UC100891  Pectocarya heterocarpa H. M. Hall 1905-4-27 5921 Riverside Bottomland near Colorado River; Colorado Desert 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
  RSA716430  Pectocarya linearis Scott D. White 2006-4-27 11316 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR260878  Pectocarya linearis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41566 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 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
  SBBG63475  Pectocarya linearis subsp. ferocula M. N. Ackley 1928-4-4 58 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UC25023  Pectocarya linearis subsp. ferocula Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA525688  Pectocarya penicillata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4559 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR85078  Pectocarya penicillata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16039 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCR102944  Pectocarya platycarpa George K. Helmkamp 1998-4-4 3137 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCSB36130  Pectocarya platycarpa Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument; 1/4 mile E. Rd. 750 Comment
  UCR72208  Pectocarya recurvata Theo Glenn 1992-3-31 92- 18 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  JOTR00902  Pectocarya recurvata Sipe, Frank 1958-3-7 248 Riverside Joshua Tree National Park. NORTH OF CHOLLA PATCH 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
  SD233779  Pectocarya setosa A. C. Sanders, G. Helmkamp, L. Helmkamp 1995-4-30 16881 Riverside San Bernardino Mountains: Burns Canyon , 2.1 miles above Rimrick Rd, just below Burns Spring. 1530 Comment
  RSA516764  Pellaea andromedifolia var. andromedifolia 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
  POM182208  Pellaea mucronata P. A. Munz 1932-4-24 12393 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA85120  Pellaea mucronata var. mucronata J. C. Roos 1952-5-7 5616 Riverside Box Springs Mountains, north of Canyon Crest Heights 457 Comment
  RSA736557  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA717835  Penstemon X parishii T. Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA285582  Penstemon californicus D. C. Michener, Walter Wisura 1982-6-8 4052 Riverside San Jacinto Mts. Slopes on northeast side of Garner Valley immediatly adjacent to valley floor just northwest of jct. of Morris Ranch Road and Ca. 74. Comment
  JEPS15120  Penstemon centranthifolius P. A. Munz and I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch Morongo Pass, Covington Ranch (Southern California) 762 Comment
  UCR130706  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-6-27 4070 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 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
  CAS-BOT-BC265294  Penstemon clevelandii subsp. connatus Edmund C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mountains 1219 Comment
  JEPS15103  Penstemon clevelandii var. connatus A. E. Wieslander 1938-5-5 737 Riverside near Sugar Loaf Mountain; Thermal Quad. Comment
  JEPS26103  Penstemon clevelandii var. connatus Peter H. Raven 1958-5-6 12925 Riverside along State Highway 74, 15.6 mi sw Palm Desert; sw of Palm Desert Comment
  RSA788347  Penstemon heterophyllus var. heterophyllus Linda M. Prince, Duncan S. Bell 2009-6-17 574 Riverside Cleveland National Forest. Helipad. Comment
  RSA402127  Penstemon labrosus M. B. Dunkle 1933-7-19 3671 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  UCR20539  Penstemon rostriflorus W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA401812  Penstemon spectabilis Christopher Davidson 1975-6-16 2805 Riverside Ca. 4 mi. S of Banning on roas R1 to Idyllwild. 1128 Comment
  SBBG7202  Penstemon spectabilis H. and M. Dearing 1948-6-8 4345 Riverside Palms to Pines Hwy, Ribbonwood Comment
  JEPS11602  Penstemon spectabilis var. spectabilis W. L. Jepson 1928-4-19 12436 Riverside Temecula Temecula (sw Riverside Co.) 310 Comment
  NY662591  Penstemon thurberi E. C. Jaeger 1931-10-25 s.n. Riverside Two miles north of Lost Horse Mine, cross-roads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
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May 29 2011
  RSA773165  Pentachaeta aurea Duncan S. Bell, Valentin Arvizu 2010-5-24 1104 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  RSA0060323  Pentagramma triangularis Steve Boyd, Timothy S. Ross, Laurel Anrseth 1990-3-30 3965 A Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SBBG2631  Peritoma arborea H. and M. Dearing 1939-12-31 4045 Riverside 5 mi N of Palm Springs Comment
  JOTR34295  Peritoma arborea var. angustata Andre, Jim 2012-4-11 20704 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA28073  Perityle emoryi I. L. Wiggins 1941-3-27 9675 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA795941  Petalonyx thurberi Duncan S. Bell 2009-4-19 279 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SD229205  Petalonyx thurberi subsp. thurberi Dick Schwenkmeyer 2012-11-6 860 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR20986  Petunia parviflora A. C. Sanders, Steve Boyd 1980-5-19 1478 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  CAS-BOT-BC326738  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC326774  Peucephyllum schottii John Thomas Howell 1927-8-1 2885 Riverside Morongo Canyon, north Colorado Desert 609 Comment
  RSA517238  Peucephyllum schottii Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1325 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR111556  Phacelia brachyloba Mitch Provance 1999-5-4 1704 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA775500  Phacelia campanularia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4473 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
  UCR88298  Phacelia campanularia A. C. Sanders, K. C. Rose 1995-4-5 16369 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA799077  Phacelia campanularia subsp. campanularia Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  UCR135985  Phacelia cicutaria var. hispida A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27899 Riverside Peninsular Range, summit ridge of Alberhill Mountain, along dirt road 503 Comment
  UCR139026  Phacelia cicutaria var. hispida D. L. Banks 1997-4-5 1686 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR91350  Phacelia cicutaria var. hispida Scott D. White, M. Jacobsmeyer 1996-4-20 3956 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  HSC95252  Phacelia ciliata D. E. Bramlet 2000-5-9 3024 Riverside San Jacinto River; the site is 457 m S of San Jacinto Avenue and 1.1 km north of Ellis Ave and just W of the river Comment
  SD143849  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Bend; 1.5 mile south of Cajalco Road, at a location 3.2 km east of the intersection of Cajalco Road and Sierra Ave. 451 Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  UCR112089  Phacelia crenulata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23363 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR50883  Phacelia crenulata A. C. Sanders 1988-5-11 7804 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA776961  Phacelia crenulata var. ambigua Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 911 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR102923  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2669 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UC64054  Phacelia curvipes W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1421 Riverside Van Deventers Comment
  RSA125556  Phacelia distans R. Weatherby 1949-5-21 489 Riverside Between Raduc and Hemet. 610 Comment
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May 29 2013
  RSA426219  Phacelia distans Christopher Davidson, Robert Gustafson 1977-4-7 5574 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
  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
  RSA407214  Phacelia ivesiana E. C. Jaeger 1949-3-12 s.n. Riverside Black Eagle Well, Pinto Basin, Colorado Desert. Riverside County. alt 1400ft 427 Comment
  CLARK-A1703-1208  Phacelia minor Charlotte Stocks 1962-5-14 Riverside Whitewater Canyon Comment
  RSA203061  Phacelia minor James Henrickson 1967-4-30 2462 Riverside 2 miles N of Lake Elsinore. 396 Comment
  RSA428084  Phacelia minor E. Crow 1929-4-21 332 Riverside North of Alberhill Comment
  RSA524582  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4130 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
  RSA525286  Phacelia minor Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4599 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SD136820  Phacelia minor Steve Boyd 1992-4-14 6786 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; along Verdugo Trail from Tenaja Tr. to Bluewater Cyn, S of Sitton Pk. 792 Comment
  SD4090  Phacelia minor Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  SEINET7907895  Phacelia minor D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UCR155324  Phacelia minor A. C. Sanders, Mike Misenhelter 2005-3-23 29256 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR213518  Phacelia minor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37821 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCSB10390  Phacelia minor Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  UCSB5420  Phacelia minor Mazzia, Linda 1960-5-15 Riverside 2.2 miles south of Highway 70 and 99 on road from Banning to Idyllwild on north side of San Jacinto Mountains 914 Comment
  RSA112662  Phacelia minutiflora H. D. Ripley, R. C. Barneby 4269 Riverside Desert Center. 305 Comment
  RSA428158  Phacelia pedicellata Robert Gustafson 1983-3-27 2492 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  UCR1457  Phacelia ramosissima var. suffrutescens R. D. Keys 1973-5-13 s.n. Riverside Box Springs Mtns, 0.5 - 1 mi from end of Box Springs Ridge Road. 915 Comment
  OBI37519  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Santa rosa Plateau Region. Tenaja Rd, 3.3 mi E of jctn with 8S01 &8S02 Comment
  SEINET10658571  Phalaris caroliniana Robert F. Thorne, Earl W. Lathrop 1969-5-12 Thorne 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California, desiccated margins of small vernal marsh N of large vernal marsh; with Navarretia prostrata, Pilularia americana, Deschampsia danthonioides gracilis, Psilocarphus br. brevissimus, Myosurus minimus, ect. 625 Comment
  UC1132464  Phleum pratense H. S. Yates 1936-8-29 6379 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  UC880372  Phlox austromontana P. A. Munz and I. M. Johnston 1922-5-19 5450 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1417 Comment
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Mar 25 2011
  CAS-BOT-BC222478  Pholistoma auritum Frank W. Gould 1943-4-17 2113 Riverside 12 miles south of Corona on Elsinore road Comment
  UC702032  Pholistoma auritum Frank W. Gould 1943-4-17 2113 Riverside 12 mi. s. Corona (on Elsinore road) Comment
  UC1490303  Pholistoma membranaceum Rolf Y. Berg 1980-2-4 Riverside ca. 2.5 mmi. from mouth Whitewater Canyon Comment
  UCR41366  Pholistoma membranaceum N. M. Fellows 1985-3-3 87 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UC748989  Phoradendron californicum Susan Delano McKelvey 1935-12-6 5035 Riverside between Cottonwood Mts. and Mecca Comment
  UCD166242  Phoradendron californicum Jack Major 1962-4-17 776 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  JOTR31182  Phoradendron densum La Doux, Tasha, G. Clifton 2009-5-14 1979 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UC1078928  Phoradendron densum Job Kuijt 1958-3-14 1493 Riverside 11.7 mi. s. Palm Desert 975 Comment
  UCR22085  Phoradendron densum Steve Boyd 1980-5-3 184 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR230782  Phoradendron densum A. C. Sanders, Nathan Moorhatch 2011-3-22 38780 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, 0.61 km east of Hwy 74, south of Ethanac Rd. 503 Comment
  UCR48630  Phoradendron densum Dennis E. Kucera 1987-2-16 s.n. Riverside SE Mojave Desert, Coxcomb Mtns, near VABM Aqua, N end of range 1280 Comment
  SFV17133  Phoradendron libocedri P. G. Kilburn 1958-5-30 829 Riverside San Jacinto Mountains 5 miles north of Idyllwild, just west of Fern Basin Campground. Beside road. 2134 Comment
  UCR240205  Phragmites australis C. J. Minar 1994-5-7 11 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UCR262467  Phyllanthus A. C. Sanders 2015-6-27 41745 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus Comment
  JOTR29188  Physalis crassifolia La Doux, Tasha 2005-9-8 1300 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  RSA233714  Physalis crassifolia Frederick W. Oettinger 1968-10-23 818 -B Riverside Whitewater Canyon; 10 mi. NNw of Palm Springs, 4.5 mi. N of Hwy. 10 near trout harchery. Comment
  RSA423822  Physalis crassifolia Robert Gustafson 1978-3-21 844 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  SBBG66344  Physalis crassifolia M. N. Ackley -Feb-1926 973 Riverside Painted Cyn 76 Comment
  SBBG88687  Physalis crassifolia K. K. Muller 1971-11-7 2982 Riverside just S of US 60 opposite S entrance to Joshua Tree Nat Monument Comment
  HSC6807  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside 30 mi. N of Ogilby, along road to Blythe Comment
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Mar 2 2013
  UCR251288  Phytolacca americana A. C. Sanders 2014-5-29 41124 Riverside Riverside, UCR Botanic Garden, weeds along east fence near driveway to Schneider House 366 Comment
  UCR46721  Picris echioides B. G. Pitzer, D. C. Hawks 1986-12-2 0367 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
  SEINET4406970  Pinus A. T. Peterson 1988-1 s.n. Riverside Joshua Tree National Mounument Comment
  UCR131461  Pinus coulteri June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
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Mar 29 2014
  UC1600403  Pinus lambertiana H. M. Hall 1901-1-1 2613 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
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Feb 3 2014
  UCR123793  Pinus lambertiana Steven R. Hill, K. Kramer and family 2001-4-26 33474 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  UCD134855  Pinus monophylla Lionel A. Stange 1956-3-31 s.n. Riverside Burn's Spring. Comment
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Mar 13 2014
  RSA561111  Piptatherum miliaceum Steve Boyd, Timothy S. Ross, D. Bramlet 1993-5-12 7322 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA715055  Pistacia atlantica A. C. Sanders, T. B. Salvato 2003-5-21 26801 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SBBG34989  Plagiobothrys T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  POM157936  Plagiobothrys canescens P. A. Munz 1927-5-21 10833 Riverside Coahuila Valley. 1372 Comment
  UCR225738  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-29 38886 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
  OBI53611  Plagiobothrys collinus Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck trl 381 Comment
  UCR127549  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2003-5-21 26804 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR174156  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32597 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM73119  Plagiobothrys collinus var. californicus Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  UC1605427  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 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
  RSA639627  Plagiobothrys fulvus var. campestris R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51976 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  JOTR34017  Plagiobothrys jonesii La Doux, Tasha, M. Harding 2010-4-7 2904 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
  UCR268068  Plagiobothrys leptocladus D. E. Bramlet 2005-4-22 3830 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  UCR47600  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  JEPS68147  Plagiobothrys tenellus W. L. Jepson 1935-4-17 19141 Riverside 1.5 mi n Elsinore 457 Comment
  RSA741164  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-5-15 12000 Riverside Johnson Meadow. 1415 Comment
  UCR116992  Plagiobothrys tenellus A. C. Sanders, T. B. Salvato 2001-5-3 24071 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  POM10198  Plantago erecta F. M. Reed 1907-3-15 1221 Riverside Riverside Heights Comment
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Sep 4 2011
  UCR231759  Plantago erecta John F. Green 2008-4-23 09- 11 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UC1608277  Plantago lanceolata Steve Boyd and Tim Ross 1992-5-5 7262 Riverside nw of Oak Flats (along Verdugo Trail, between junctions with Bluewater and Lucas Canyon Trails); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 762 Comment
  RSA412580  Plantago major H. de Forest, Jack Rempel 1933-10-29 18684 Riverside Snow Creek Canyon. 549 Comment
  UCR20763  Plantago ovata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1327 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
  UCR3475  Plantago ovata Sally Bell 1964-3-15 s.n. Riverside Sonoran (Colorado) Desert, Cathedral City, c. 500 yards from back of Travel Lodge Trailer Court off Hwy 111 91 Comment
  RSA703373  Plantago ovata var. fastigiata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1439 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA401949A  Plantago patagonica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA722418  Platanthera sparsiflora J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 2744 Comment
  UCR196895  Platanus acerifolia A. C. Sanders, D. L. Sanders 2008-9-27 36103 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CAS-BOT-BC93212  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside Snow Creek Canyon, 0.5 mile below the fish hatchery, north base of San Jacinto Mountain. 548 Comment
  SD219086  Platanus racemosa Robert Allen, Fred M. Roberts 2007-6-22 Riverside SE of Hemet, Cautista Canyon, ca. 4.0 road miles southeast of jct Bautista Canyon Road and Fairview Ave. 726 Comment
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Aug 11 2012
  RSA66236  Platystemon californicus F. W. Peirson 1922-5-21 3033 Riverside Along east side of Hemet Valley 1357 Comment
  SD181426  Platystemon californicus Scott D. White 2001-5-1 8439 Riverside Near Sun City; Quail Valley, valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  CDA34943  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
  UCR222660  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-16 08- 369 Riverside Peninsular Range, city of Temecula, Pechanga Parkway at Pechanga Resort Dr. 338 Comment
  RSA751421  Plectritis ciliosa A. C. Sanders, Tim Thomas 2008-6-20 35540 Riverside May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  POM118377  Pleuraphis rigida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA676044  Pleuraphis rigida Scott D. White 2001-4-17 8344 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
  CLARK-A1528-2187  Pleurocoronis pluriseta John C. Roos 1946-11-30 3172 Riverside Chuckwalla Mountains Comment
  HSC5849  Pleurocoronis pluriseta C. L. Hitchcock, C. V. Muhlick 1964-3-22 23261 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  RSA472097  Pleurocoronis pluriseta Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCD134970  Pleurocoronis pluriseta J. C. Roos 1966-3-10 s.n. Riverside 3 miles southwest of Desert Center, Chuckwalla Mtns. Comment
  POM31961  Pluchea odorata Patricia Wilder 1970-10-15 4811 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UC1563108  Pluchea sericea Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3663 Riverside below the dam Temecula Creek canyon; Vail Lake Area 457 Comment
  SD137945  Poa annua Darin L. Banks 1995-5-3 257 Riverside Cleveland National Firest, 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
  RSA180359  Poa bulbosa E. W. Lathrop 1965-4-18 5561 Riverside 10 miles west of Murrieta. Comment
  SD232152  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1584 Comment
  POM1241  Poa secunda I. M. Johnston 1917-4-4 1009 Riverside Palm Canyon, near Palm Springs. 457 Comment
  RSA583732  Poa secunda subsp. secunda Steve Boyd 1995-4-24 8497 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
  UCD91895  Poa secunda subsp. secunda F. M. Reed 1920-3-24 4232 Riverside Colorado Desert, Murray Canon, Palm Springs. Comment
  RSA0105849  Polycarpon tetraphyllum Alan Romspert 2000-7-26 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  UCR111579  Polygonum aviculare Mitch Provance 1999-1-23 1743 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  CDA22826  Polygonum lapathifolium P. Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. 0 Comment
  JOTR16788  Polypogon monspeliensis Moore, Sue 1967-5-3 s.n. Riverside Joshua Tree National Park. WHITE TANK 1219 Comment
  UCD91375  Polypogon monspeliensis Fred M. Reed 1906-5-19 960 Riverside Riverside and vicinity. Rubidoux Ave. near Brockton. 228 Comment
  SEINET10793989  Polystichum imbricans subsp. curtum George Yatskievych, Kay McCrary 1984-7-30 Yatskievych 84 -119a Riverside 0.6 mile S of Fuller Mill Creek Picnic Grounds on state Route 243; granitic side ravine of North Fork of San Jacinto River. T04S R02E S26 NE4. 1676 Comment
  POM360757  Populus fremontii Ora M. Clark 1929-3-2 1614 Riverside Near Elsinore. Comment
  CHSC101728  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside Perris/Elsinore basins; Menifee/Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 474 Comment
  JOTR37431  Porophyllum gracile Hodges, Stephen R., T. Hender 2015-12-29 553 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UC1287114  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside 20 mi sw of Blythe; Mule Mts. Comment
  UC69033  Porophyllum gracile H. M. Hall 1905-5-2 5977 Riverside Chuckawalla Mt. Colorado Desert Comment
  UCR269203  Porophyllum gracile Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 998 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in wash 423 Comment
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  UCR13529  Potamogeton latifolius Craig Cunningham 1973-7-18 s.n. Riverside Sonoran (Colorado) Desert, Johnson Street Drain, south of Mecca near Salton Sea Comment
  SD90366  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, behind the dam 625 Comment
  SEINET10543381  Potentilla David B. Dunn 1946-8-16 Dunn 2672 Riverside Open dry trail soil by jolly springs. San jacinto mts Comment
  JOTR31228  Prenanthella exigua La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2012 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  RSA0013897  Proboscidea althaeifolia Scott D. White, Justin M. Wood 2005-10-4 11235 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  LA47470  Prosopis glandulosa var. torreyana Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Oasis Comment
  UCSB18785  Prosopis glandulosa var. torreyana Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 31 miles E of Desert Center 243 Comment
  RSA86861  Prunus fasciculata F. W. Peirson 1928-4-24 7915 Riverside Plateau land west of Cottonwood Springs, northeast of mecca. Comment
  CAS-BOT-BC151113  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canyon Comment
  RSA122704  Prunus ilicifolia Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA628201  Prunus ilicifolia D. E. Bramlet 1999-4-10 2734 Riverside Bachelor Mountain. North facing slope 152m northwest of the peak on a steep, bouldery face of the mountain and within the large drainage area found on this slope, approximately 1.5km north of Lake Skinner. 726 Comment
  SDSU9174  Prunus ilicifolia subsp. ilicifolia W. T. Williams 1962-5-12 Riverside San Jacinto Mts. Highway between Hemet and Idyllwild. 3000 ft. marker East side of roadside 10 ft. 914 Comment
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Nov 10 2008
  RSA802422  Prunus virginiana Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5017 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  RSA5161  Psathyrotes ramosissima C. B. Wolf 1932-4-26 2972 Riverside 5 miles east of Mecca on Blythe Road, Colorado Desert 30 Comment
  UC74008  Psathyrotes ramosissima Dr. R. J. Smith 1904-5-18 325 Riverside desert near White Water Comment
  SEINET10842589  Psathyrotes ramosissima David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2889 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  RSA0104486  Pseudognaphalium Duncan S. Bell 2015-9-30 8669 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  HSC5683  Pseudognaphalium biolettii D. W. Snell 1964-3-28 36 Riverside 1 1/2 mi. E of Hwy. 79. 5 mi. S of Hemet Comment
  UCR250874  Pseudognaphalium biolettii S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1043 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  CAS-BOT-BC376153  Pseudognaphalium californicum L. Nye; G. Gust 2005-3-11 62 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UC1929319  Pseudognaphalium canescens Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10671 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UCR281562  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 83 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  UCR280932  Pseudognaphalium microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 16 Riverside Temescal Valley, Mayhew Wash, 200 yards E of I-15, N side of Temescal Canyon Rd. 314 Comment
  CAS-BOT-BC80074  Pseudotsuga macrocarpa Arthur Menzies; Bob Murray 1957-8-25 s.n. Riverside Near Mountain Center, San Jacinto Mts. Comment
  RSA623561  Psilocarphus brevissimus R. E. Riefner 1998-10-15 98 -524 Riverside Menefee-Paloma Valley Comment
  SD146004  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 west of Warren Road. 456 Comment
  CAS-BOT-BC361791  Psilocarphus brevissimus var. brevissimus E. W. Lathrop 1966-5-1 6244 Riverside 3 miles W of Murrieta Comment
  CAS-BOT-BC353577  Psorothamnus arborescens var. simplicifolius David Dreyer 1971-4-3 194 Riverside ca. 1 miles south of junction of Highway 62 and Indian Ave., north of Indio Comment
  UCR215634  Psorothamnus arborescens var. simplicifolius Bao Doan 2010-5-31 10 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  CAS-BOT-BC353636  Psorothamnus emoryi R. Freeman 1976-10-2 2157 Riverside South of I-10, N of Mule Mountains Comment
  JOTR31716  Psorothamnus emoryi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1525 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  UCD77964  Psorothamnus emoryi Robert E. Preston 1997-11-11 1064 Riverside east edge of Palo Verde Mesa 99 Comment
  UCSB3044  Psorothamnus emoryi Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  RSA0042113  Psorothamnus schottii Duncan S. Bell, LeRoy Gross 2014-3-6 6190 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  SD229163  Psorothamnus schottii Dick Schwenkmeyer 2012-11-6 856 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR135718  Psorothamnus schottii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9007 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  CAS-BOT-BC340949  Psorothamnus spinosus E. R. Johnson 1928-6-8 s.n. Riverside Along highway south of Mecca on west side of Salton Sea Comment
  UC52159  Psorothamnus spinosus E. E. Schellenger July 25 1903-Aug 14, 1903 2 Riverside Chuckawalla Bench, Colorado Desert Comment
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Aug 27 2016
  CAS-BOT-BC421254  Pterostegia drymarioides S. G. Stokes 1933-7-1 s.n. Riverside Road to Idyllwild. 1066 Comment
  POM13114  Pterostegia drymarioides P. A. Munz, I. M. Johnston 1922-5-19 5341 Riverside 5 mi. E of Murietta. 518 Comment
  RSA757636  Pterostegia drymarioides LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4318 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
  UCR16525  Pterostegia drymarioides Grace Sprague 1968-5-3 s.n. Riverside San Bernardino Mtns., Whitewater Canyon. Comment
  UCR174454  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32631 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR21525  Pterostegia drymarioides Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  UCR112801  Punica granatum A. C. Sanders 1997-5-1 20615 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
  UCSB41281  Purshia tridentata var. tridentata Cowan, Clark 1978-4-25 Riverside Pinon Flat Campgrd. Hwy. 74, 8.9 mi (14.2 km) E of jct. Hwy 74 & 371. San Bernardino Nat. Forest. Comment
  UCR81114  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 Riverside Southern Santa Ana Mountains, San Mateo Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 671 Comment
  JOTR16705  Quercus X munzii McKusick, Rosa 1967-1-30 s.n. Riverside Joshua Tree National Park. LIVE OAK TANK; QUEEN'S VALLEY Comment
  UCD47065  Quercus X munzii Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
  UCR278560  Quercus agrifolia Mitch Provance 2012-7-28 712- 10 Riverside San Gorgonio Pass, Banning, Montgomery Creek and adjacent plateaus, south of Westward Ave., and west of Banning High School 695 Comment
  SEINET5466655 Image available Quercus agrifolia Richard Carter 1984-12-18 3855 Riverside Dripping Springs Campground. Comment
  UCR158949  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31544 Riverside San Jacinto Mtns., lower Bautista Canyon, 1.1 mi. above Forest Service boundary, 3.2 miles above retention dam at mouth 744 Comment
  UCR262390  Quercus agrifolia var. oxyadenia Tom Scott 2011-1 2011- 576 Riverside San Bernardino Mtns., south side of mountains along Mias Canyon Rd., c. 0.5 mile north of Bluff St., north of Banning 863 Comment
  CAS-BOT-BC62435  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UCD45547  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive, Riverside Co. Elevation 4000'. 1219 Comment
  SBBG89602  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8720 Riverside Pinyon Flats area, near the Dolomite Mine on the trail to Horsethief Crk 1200 Comment
  UCR186853  Quercus cornelius-mulleri Naomi Fraga, T. Thibault 2006-5-16 1670 Riverside San Jacinto Mountains, Peninsular Ranges; c. 2.5 mi. up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat 1585 Comment
  SEINET2066423 Image available Quercus dumosa B. Pitzer, Jack Easton 1987-3-10 412 Riverside Anza Area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak Quad. 1341 Comment
  UC119177  Quercus dumosa J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UCR91547  Quercus ilex Donald E. Peck 1994-10-23 s.n. Riverside Citrus orchard in town of Rubidoux Comment
  UCD46614  Quercus kelloggii Maunsell Van Rensselaer 1937-6-23 Riverside Idyllwild Inn, San Jacinto Mountains, Riverside County, California. Comment
  UCSC001110  Quercus kelloggii Peter Kamb 1947-5-17 519 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  LA205338  Quercus wislizeni Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  RSA714381  Quercus wislizeni T. B. Salvato 2004-5-27 592 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
  UCR54519  Quercus wislizeni A. C. Sanders, E. J. Lawlor 1988-10-22 8721 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UCD47606  Quercus wislizeni var. frutescens C. W. Tilforth; W. Wisura 1979-10-11 1920 Riverside 2 mi. west of highway 74 along Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley, Riverside County, California. Comment
  RSA525415  Rafinesquia californica Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4523 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  RSA731015  Rafinesquia californica Michael Wall 2008-4-18 447 Riverside San Jacinto Valley, Bautista Canyon SE of Hemet, ca. 5.5 miles SE of Fairview Ave. 746 Comment
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  HSC28057  Rafinesquia neomexicana Richard Spjut 1973-4-6 3273 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  UCR279321  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-23 42905 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR4105  Rafinesquia neomexicana Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  UCR201654  Ranunculus californicus Scott D. White, Justin M. Wood 2008-5-15 12006 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA736727  Ranunculus cymbalaria Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10691 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  POM13799  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-4-30 5139 Riverside Tucalota Creek, south of Hemet Comment
  POM50150  Ranunculus cymbalaria var. saximontanus Albert W. C. T. Herre 1902-7-14 s.n. Riverside Temecula R. near Temecula. Comment
  UC219555  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak San Jacinto Mts. (near the summit) 3285 Comment
  POM128388  Ranunculus hebecarpus Thos. Craig 1927-4-23 222 Riverside Glen Ivy. Comment
  UCR151412  Ranunculus hebecarpus D. L. Banks 1997-4-5 1708 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  UC592703  Rhamnus californica P. C. Everett 1935-6-17 Riverside 0.5 mi above Glen Ivy Resort; Santa Ana Mts., Coldwater Canyon 457 Comment
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Jan 11 2007
  UCR140656  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 90 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  LA207802  Rhamnus ilicifolia A. M. Johnson; 1932-8-19 4133 Riverside San Jacinto Mountains Comment
  RSA180279  Rhamnus ilicifolia E. W. Lathrop 1965-9-22 6015 Riverside 8 miles west of Murrieta. Comment
  UCR270307  Rhamnus ilicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8375 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
  POM320393  Rhododendron occidentale Greg Wright 1971-7-15 290 Riverside County Highway R1, Black Mountain Creek. San Jacinto Mountains 1677 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
  UCR16590  Rhus aromatica Joe Buriel 1966-4-6 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore 459 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
  SEINET5569815  Rhus ovata H. S. Gentry 1954-1 14245 Riverside Northwest of Aguanga, along road to Sage. Comment
  UCSB3756  Rhus ovata Haller, John 1950-5-21 Riverside San Jacinto Mountains; Pinon Flat 1219 Comment
  UCR90388  Ribes amarum D. L. Banks, Steve Boyd 1995-2-16 0049 Riverside Peninsular Range; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area: N slope of Agua Tibia Mtn, south of the Dripping Springs Alcove, east of the Woodchuck Trail 829 Comment
  RSA614518  Ribes indecorum A. C. Sanders 1994-1-30 14226 A Riverside Box Springs Mtns at the head of Two Trees Canyon. 686 Comment
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Apr 3 2011
  UC1292280  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi n Pala (along road to Elsinore) Comment
  UCR125763  Ribes indecorum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25660 Riverside San Jacinto Mountains, Bautista Canyon, at road crossing of creek c. 1 mile above Alessandro Trail 930 Comment
  RSA162816  Ribes roezlii J. D. Olmsted 1959-7-1 724 Riverside Just west of Strawberry Cienega trail above Idyllwild. 2622 Comment
  UC1127543  Ribes roezlii R. St. John 1929-5-21 28 Riverside Keen Camp San Jacinto Quadrangle 1219 Comment
  RSA648215  Ricinus communis Stephen Hill 1981-2-16 13 Riverside Cajalco Rd. 1 mile E. of hwy 15. Comment
  RSA34604  Romneya coulteri N. C. Cooper 1944-6-4 1327 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  SEINET3245813  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38413 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. (Alberhill 7.5') 399 Comment
  CLARK-A1528-364  Rorippa nasturtium-aquaticum Stephen J. Southwell 1971-5-25 Riverside West Riverside 304 Comment
  RSA192335  Rosa californica H. A. Zuill 1966-6-5 200 b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UC488975  Rubus parviflorus C. V. Meyer June 1927 172 Riverside San Jacinto Mts. Comment
  RSA0030906  Rubus parviflorus var. hypomalacus Norman C. Cooper 1944-6-17 2008 Riverside San Jacinto Mtns., above Banning. 1219 Comment
  CAS-BOT-BC158732  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3918 Riverside San Juan River east of San Juan Hot Springs Comment
  SDSU9248  Rubus ursinus Thomas A. Zink 1971-4-1 Riverside Just south of Fairmont Park. 244 Comment
  RSA741212  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SD51945  Rumex californicus Reid Moran 1962-7-7 9861 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  SBBG123028  Rumex conglomeratus S. D. White, A. Carey 2004-6-4 10474 Riverside San Jacinto River wash and adjacent alluv benches, near Indian Crk confluence 503 Comment
  RSA653322  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  RSA605752  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17995 Riverside Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  RSA82186  Salazaria mexicana Emma Mundy 1921-3-22 4484 Riverside Andreas Canyon, near Palm Springs. Comment
  OBI30251  Salix Chris M. Johnson 1970-3-16 66 Riverside Outside Corona, Hwy 71, at Rancho El Hermano entrance 244 Comment
  CAS-BOT-BC129744  Salix bonplandiana C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi. e. of Glen Ivy Hot Springs Comment
  POM262925  Salix exigua J. C. Roos 1937-5-23 617 Riverside La Sierra. Comment
  RSA181987  Salix exigua W. L. Jepson 1928-4-25 12569 Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
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Oct 23 2011
  RSA774509  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4460 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
  UC1280860  Salix exigua H. E. McMinn 1937-3-6 5010 Riverside 3 mi e Blythe (Colorado River Bridge) Comment
  LA208685  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 600 Riverside E side of bridge over Santa Ana River, 4.8 km. N of Arlington on rd to Pedley, W of Riverside 240.0 Comment
  SD137625  Salix exigua var. hindsiana Darin L. Banks, Steve Boyd 1995-3-16 101 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage 555 Comment
  UC847053  Salix exigua var. hindsiana I. M. Johnston 1918-5-26 1994 Riverside nw of Cornoa; Santa Ana R. 152 Comment
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Nov 20 2011
  IRVC26249  Salix gooddingii A. C. Sanders, D. Malueg 2003-5-8 26560 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  POM167692  Salix gooddingii C. F. Baker 1903-04 4146 Riverside Elsinore. Comment
  UC482402  Salix gooddingii Ben L. Clary 1932-4-21 810 Riverside Colorado Desert, Coachella Valley -21 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
  UC717264  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UCD111137  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. Comment
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 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
  JOTR36410  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  POM9287  Salix lasiolepis Philip A. Munz, R. D. Harwood 1920-2-28 3260 Riverside 2 mi. southeast of Corona 305 Comment
  UC52862  Saltugilia australis H. M. Hall April, 1902 2907 Riverside vicinity Winchester (above Sage P.O.); vicinity of Winchester, above Sage P.O. Comment
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Mar 20 2011
  POM97122  Saltugilia australis P. A. Munz 1925-5-20 9822 Riverside 2 miles W of Dripping Spring. 427 Comment
  RSA562456  Salvia apiana Steve Boyd, T. S. Ross 1992-5-5 7233 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA772575  Salvia apiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5008 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
  LA212161  Salvia apiana A. L. Haines; 1951-5-19 s.n. Riverside SAN JACINTO MOUNTAINS, Bautiste Wash. 609 Comment
  JOTR34371  Salvia columbariae Andre, Jim 2012-4-16 20888 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA49367  Salvia columbariae P. A. Munz 1949-4-11 12994 Riverside North base of Eagle Mtns. Mojave Desert. 945 Comment
  RSA628480  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA651680  Salvia columbariae G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  SD187431  Salvia columbariae Scott D. White, Angelia Carey 2004-4-16 10164 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  SDSU16683  Salvia columbariae Francis H. Bozzolo 2006-4-16 5 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  UCR269919  Salvia columbariae Daphne K. Christopher, Hannah I. Stevens 2003-4-3 078 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCSB9331  Salvia columbariae Lloyd, Robert 1960-3-23 Riverside 1 mi from US Hiway 99 on State Rd 111; to Palm Springs; San Jacinto Mt Range; Colorado Desert 396 Comment
  RSA444482  Salvia eremostachya J. C. Roos 1947-3-15 3332 Riverside Santa Rosa Mountains: Dos Palmas Springs, NE of Asbestos Mt. Comment
  UC416703  Salvia eremostachya L. G. Childs 1920-11-26 Riverside Martinez Canyon; Colorado Desert, Santa Rosa Mts. Comment
  UCLA69704  Salvia eremostachya K. Watkins and E. McClintock 1937-4-10 Riverside near road to Shumway (Palms to Pines highway) Comment
  UC883960  Salvia mellifera C. L. Hitchcock 1940-4-12 6047 Riverside 8 mi nw Elsinore 457 Comment
  UCR35339  Salvia mellifera L. B. Ziegler 1969-4-25 346 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  RSA643564  Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mountains, canyon E of Fan Hill, just outside Joshua Tree National Park. 549 Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA470833  Sanicula arguta E. Crow 1929-4-7 318 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA715104  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UC875453  Sanicula bipinnatifida I. W. Clokey, E. G. Anderson 1935-4-16 6776 Riverside e of Hemet 800 Comment
  UCR117319  Sanicula bipinnatifida A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 728 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CLARK-A1045-191  Sanicula crassicaulis George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  RSA0048661  Sanicula menziesii Keith E. Hoffmaster 1934-4-8 141 Riverside Santa Ana Mts. [Orange or Riverside County] Comment
  POM12760  Sarcodes sanguinea P. A. Munz 1922-7-6 6024 Riverside Hidden Lake. San Jacinto Mts. 2439 Comment
  UC1123579  Sarcostemma cynanchoides subsp. hartwegii H. S. Yates 1936-4-6 5407 Riverside Palm springs San Jacinto Quad., Palm springs Comment
  CLARK-A1045-216  Sarcostemma hirtellum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  SD114967  Satureja chandleri Earl W. Lathrop 1966-5-11 6287 Riverside 3.0 miles west of Murrieta on the De Luz Road. Comment
  RSA0016887  Satureja chandleri Robinson, Crocker 1916-3-29 571 Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA495460  Saxifraga californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2988 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA561095  Schedonorus arundinaceus Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-5-12 7338 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  UCR125278  Schinus terebinthifolius A. C. Sanders 2003-1-18 25666 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Sunnyslope Channel near confluence with Santa Ana River 220 Comment
  UCR261140  Schinus terebinthifolius A. C. Sanders, Jeff Crain 2015-5-20 41740 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  UCR133366  Schismus barbatus Tracy Tennant, J. S. Ross 1998-5-7 MOR- 95 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR97461  Schismus barbatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19872 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR94485  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside Santa Ana Mtns, W of 'Onion Hill', SE of Elsinore Peak Area along trail following old Main Divide Road grade. 1006 Comment
  CSUSB908  Scrophularia californica Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  RSA544386  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross 1991-6-14 6401 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
  RSA200064  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1967-7-18 s.n. Riverside Near upper Herkey Creek, which flows into Hemet Lake Comment
  CAS-BOT-BC341102  Scutellaria mexicana Emma B. Mundy 1921-3-22 4484 Riverside Andreas Canyon Region Comment
  RSA683701  Selaginella bigelovii P. J. Remple 1942-3-2 s.n. Riverside Whitewater Canyon. Comment
  CAS-BOT-BC62081  Selaginella eremophila Edmund C. Jaeger 1922-3-18 s.n. Riverside Palm Springs Comment
  RSA747993  Selaginella eremophila Scott D. White, Justin M. Wood 2009-4-28 12596 Riverside City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA500984  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3103 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  UC50350  Senecio californicus H. M. Hall March 1903 3721 Riverside vicinity Riverside 609 Comment
  RSA575920  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  SEINET3143117  Senecio flaccidus var. douglasii W. B. Crockatt sn Riverside Prado 91 Comment
  UCR89692  Senecio flaccidus var. douglasii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Park, east side of Hexie Mountains, in Porcupine Wash, on hike from Ruby Lee Well Road 732 Comment
  JOTR35442  Senecio flaccidus var. monoensis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 48 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  UC831925  Senecio flaccidus var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 mi below Cottonwood Springs Comment
  CLARK-A1528-2087  Senecio mohavensis John C. Roos 1949-4-10 4223 Riverside Chuckwalla Mountains Comment
  JEPS23577  Senecio mohavensis Peter H. Raven 1958-3-15 11851 Riverside Box Canyon Comment
  SD143525  Senecio vulgaris W. L. Halvorson 1977-3-13 77 173 Riverside Rolling hills near Temecula Comment
  UCSB37842  Senegalia greggii Roos, John 1965-6-23 Riverside Colorado Desert, Lost Palms Wash north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  JEPS64750  Senna armata H. M. Hall Apr. 1905 5843 Riverside Canyon Spring Colorado Desert, Canyon Spring Comment
  SEINET10389833  Senna armata A. C. Sanders, Jim Malusa 2015-9-10 41855 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  SEINET2116165  Setaria adhaerens R. E. Riefner Jr. 2005-10-7 05 -723 Riverside Tequesquito Arroyo Park, Riverside West Quad: City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave 240 Comment
  CSUSB1363  Sidalcea malviflora Annette Price 1962-4-22 043 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in open field in foothill woodland region, on Tenaja Road, 4 miles from Washington Ave. Comment
  LA205893  Sidalcea malviflora W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SBBG19540  Sidalcea sparsifolia R. Moran 1962-7-7 9867 Riverside Strawberry Crk, 2 mi SW of Idyllwild 1550 Comment
  RSA585515  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-9 0377 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  UCR132899  Silene gallica G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  UCR90346  Silene gallica Scott D. White 1995-6-30 3432 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  POM97126  Silene multinervia P. A. Munz 1925-5-20 9824 Riverside 2 miles west of Dripping Springs. 396 Comment
  UCR26373  Silene parishii A. C. Sanders 1981-7-11 2206 Riverside San Jacinto Mtns, Bull Canyon Road, near the head of the trail to Live Oak Spring Comment
  CLARK-A1528-4907  Silene parishii var. viscida John C. Roos 1947-9-6 3744 Riverside San Jacinto Mountains Comment
  POM161560  Silene parishii var. viscida Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UCR121224  Silene verecunda subsp. platyota Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2260 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment