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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCSB18  Abies concolor White, Arthur 1960-5-14 Riverside Black Mt. campground on Black Mountain about 15 mi. N. of Idyllwild on road to Banning 2133 Comment
  RSA0051596  Abies concolor Mike Thornburg 1977-5-29 s.n. Riverside San Jacinto Nat'l. Forest, Reeds Camp. 2438 Comment
  POM294293  Abronia villosa Lyman Benson 1949-3-28 13582 Riverside Santa Rosa Mt Range, 1 mile N toward Palm Springs from E end of Pines to Palm Highway 91 Comment
  UCR163077  Abronia villosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4229 Riverside Sonoran (Colorado) Desert, c. 0.25 mi. west of Wiley's Well Rd. on south side of Hwy I-10 120 Comment
  RSA623995  Acacia greggii var. arizonica E. C. Jaeger 1921-10-9 286 Riverside Little Palm Canyon. 366 Comment
  RSA0119874  Acamptopappus sphaerocephalus Duncan S. Bell, Thomas Stoughton 2016-4-12 9232 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA544402  Achnatherum coronatum Steve Boyd, Timothy S. Ross 1991-6-14 6370 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 Spings. Comment
  RSA613149  Achnatherum coronatum D. L. Banks 1997-4-5 1657 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UC40028  Achnatherum coronatum H. M. Hall June, 1901 2136 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1584 Comment
  POM365982  Achnatherum hymenoides N. C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  UCD50446  Achnatherum hymenoides John Thomas Howell 1928-3-11 3428 Riverside 6 miles se. of Garnett Station, Colorado Desert, Riverside County. 152 Comment
  SEINET5585611 Image available Achnatherum lettermanii B. L. Johnson 1960-1 s.n. Riverside Twin Lakes, above Bridgeport, at the upper lake Comment
Read comments
Jul 5 2015
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  SDSU13585  Acmispon glaber var. brevialatus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  OBI29880  Acmispon rigidus Melissa Luckow, Rhonda Riggins 1982-4-15 821 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  RSA740629  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UCR71763  Acrachne racemosa L. F. LaPre, Megan Phillips 1991-9-9 91- 18 B Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
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Sep 10 2011
  UCR199634  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  POM78684  Adenostoma sparsifolium Albert J. Perkins 1916-9-9 s.n. Riverside Road, Idyllwild to Hemet. Comment
  RSA453179  Adenostoma sparsifolium H. S. Gentry 1939-10-7 4654 Riverside Dripping Springs. Comment
  POM11495  Agave deserti subsp. deserti Philip A. Munz 1922-7-1 5942 Riverside 1 mile SE of Old Nicholas Canyon. Santa Rosa Mtns. 1463 Comment
  RSA793557  Allionia incarnata Duncan S. Bell 2012-9-13 4189 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR172135  Allium cepa A. C. Sanders 2006-5-11 32251 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UC843408  Allium cratericola P. A. Munz and I. M. Johnston 1922-5-21 5512 Riverside Kenworthy San Jacinto Mts., Kenworthy 1417 Comment
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Mar 25 2011
  POM264307  Allium haematochiton J. C. Roos 1937-3-10 634 Riverside Norco hills. Comment
  RSA675055  Allium haematochiton Scott D. White 2001-5-1 8438 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  SEINET8467179 Image available Allium haematochiton S. D. White 2001-4-19 8376 Riverside Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 442 Comment
  SEINET12043892  Allium haematochiton I. W. Clokey 1935-1 6555 Riverside Gavilan Peak 600 Comment
  RSA747571  Allium munzii Michael Honer 2003-4-11 1822 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 600 m NE and downslope of peak 2349 . 640 Comment
  CLARK-A1528-1511  Allium peninsulare John C. Roos 1948-5-22 3865 Riverside Reche Canyon Comment
  UC1929733  Allium praecox Scott D. White, Justin Wood 2008-3-25 11772 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  SEINET2444451  Allophyllum glutinosum Leigh A. Johnson 1997-6-20 97 -103 Riverside San Jacinto Mtns. At jct. of Hwy 243 and Black Mtn. Campgroup road. Comment
  CAS-BOT-BC170129  Alnus rhombifolia Lewis S. Rose 1938-2-1 38003 Riverside Whitewater 213 Comment
  POM123325  Alnus rhombifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 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
  SEINET3917839  Alopecurus howellii Robert F. Thorne 1973-5-23 43848 Riverside Santa ROSA PLATEAU: N side of Mesa de Colorado.; 0 610 Comment
  UCR220339  Alopecurus saccatus D. E. Bramlet 1991-5-7 2127 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA500562  Amaranthus albus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3609 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR110393  Amaranthus albus A. C. Sanders, Mitch Provance 1999-9-26 23079 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR77685  Amaranthus albus Steve Boyd 1991-7-13 6415 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  UCR167804  Amaranthus blitoides T. B. Salvato, Melissa Clemons 2005-6-23 1301 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  HSC79236  Amaranthus fimbriatus G. K. Helmkamp 1983-10-8 - 34 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 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
  UCR272652  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley north of Hwy I-10 107 Comment
  SFV7070  Amaranthus palmeri T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 770 Riverside Blythe. Adjacent to small oxbow lake just north of Collis Mayflower County Park. 85 Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  RSA661034  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23077 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  CAS-BOT-BC13609  Ambrosia acanthicarpa W. R. O. 1973-1 5 Riverside SW side of San Jacinto Valley, base of Mount Rudolf Comment
  OBI17114  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  UCR77760  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  CAS-BOT-BC518747  Ambrosia confertiflora O. F. Clarke 2009-11-26 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  IRVC727  Ambrosia confertiflora Linda Stilgenbauer 1965-4-25 s.n. Riverside Hwy 74 above Elsinore. Peninsular Ranges, Santa Ana Mountains Comment
  RSA675683  Ambrosia confertiflora Scott D. White 2001-6-20 8595 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd., ca. 1 1/2-2 mi west of I-215 Freeway. 442 Comment
  UCR278799  Ambrosia confertiflora Arlee Montalvo, Erika Presley, Shani Pynn 2016-10-12 672 Riverside Temescal Valley; restored portion of wash in Dos Lagos - Temescal Wash Conservation Easement through Dos Lagos Golf Course, just N of main bridge below golf club, E of intersection of Temescal Canyon Dr. & Cabot Dr. 260 Comment
  CAS-BOT-BC22583  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -17 Riverside Whitewater Canyon Comment
  CAS-BOT-BC22592  Ambrosia dumosa P. A. Munz; L. Street 1919-5-7 2733 Riverside Palm Springs 198 Comment
  CAS-BOT-BC22603  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -330 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  IRVC731  Ambrosia dumosa A. S. Boughey 1965-3-15 105 Riverside Above Palm Springs. northern Sonoran Desert 457 Comment
  RSA735398  Ambrosia dumosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11224 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  UC75926  Ambrosia dumosa Miss Mary McKibben Riverside Mecca; Colorado Desert Comment
  UCR124631  Ambrosia dumosa B. C. Templeton, I. W. Clokey 1930-4-9 1077 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR244917  Ambrosia dumosa Jim Andre 2012-3-19 21358 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCSB45944  Ambrosia ilicifolia Roos, John 1958-3-15 Riverside 2 1/2 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  POM10301  Ambrosia psilostachya Anonymous 1903-10-19 385 Riverside Old stewart Ranch. West Riverside Comment
Read comments
Apr 7 2011
  RSA33662  Ambrosia psilostachya N. C. Cooper 1943-10-9 963 Riverside Hemet. 305 Comment
  RSA737349  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR100498  Ambrosia pumila D. E. Bramlet 1997-7-18 2575 Riverside Elsinore Valley, Nichols Road Wetlands Area, c. 7.5 m NW of Nichols Road and 91 m west of Alberhill Creek; c. 366 m SW of the I-15 Fwy. Comment
  LA36849  Ambrosia salsola LeRoy Abrams; 1941-4-24 13935 Riverside San Jacinto Mountains, San Gorgonio Pass, near Cabazon Comment
  UCR249654  Ambrosia salsola T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7312 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
  UCR251670  Ambrosia salsola Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 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
  SBBG92260  Ambrosia salsola var. salsola D. F. Howe 1980-4-15 Riverside Interstate 10, ca. 4 mi W of Mesa Verde, McCoy Mtns Comment
  UC68914  Ambrosia salsola var. salsola H. M. Hall 1905-5-1 5983 Riverside Chuckawalla Springs Colorado Desert Comment
  RSA0034425  Amelanchier utahensis Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  UCR102898  Amorpha fruticosa Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1341 Comment
  UCR208861  Amorpha fruticosa L. C. Wheeler 1932-7-9 0939 Riverside Santa Ana River Canyon 3 miles below Prado 137 Comment
  UCR183173  Amsinckia intermedia Mitch Provance 2003-5-5 4414 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR41612  Amsinckia intermedia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6085 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR168547  Amsinckia intermedia var. eastwoodiae P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside Peninsular Ranges; Santa Ana Mountains region, 3 miles southwest of Corona 305 Comment
  RSA0086465  Amsinckia retrorsa Mitch Provance 2013-4-8 413 -12 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  RSA0089961  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA0121051  Amsinckia tessellata Duncan S. Bell, LeRoy Gross 2016-3-29 9113 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
  RSA651009  Amsinckia tessellata Marion P. Harthill 1973-2-17 1568 Riverside Snow Creek, Palm Springs 366 Comment
  UC501453  Amsonia tomentosa Frank W. Peirson 1928-4-25 7921 Riverside ca. 10 mi. s. 29 Palms (White Tank Region); White Tank Region Comment
  UCSB54190  Amsonia tomentosa McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  CAS-BOT-BC272871  Ancistrocarphus filagineus Steve Boyd 1986-3-9 1388 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 487 Comment
  RSA524599  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3914 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UC1087746  Angelica tomentosa Peter H. Raven with R. Snow 1957-7-26 11101 Riverside 0.7 mi below Vista Grande Ranger Station (Banning to Idyllwild Road, San Jacinto Mountains); San Jacinto Mountains Comment
  RSA608265  Anisocoma acaulis K. Watkins, Elizabeth McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway: Near road to Shumway. Comment
  CHSC260  Anthemis cotula S. Westerberg 1934-3-23 Riverside Palm Springs. Comment
  JOTR37062  Antirrhinum coulterianum La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3548 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  JOTR01204  Antirrhinum coulterianum Cole, James E. 1941-5-3 833 Riverside Joshua Tree National Park. FLAT EAST OF QUAIL MOUNTAIN 1402 Comment
  UC1929669  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCR3440  Antirrhinum nuttallianum subsp. nuttallianum John Minnich 1964-3-9 64-3-9- 01 Riverside Peninsular Range, City of Riverside. 'Two Trees Canyon' c. 0.25 mi. from end of Two Trees Road, near the east end of Blaine St. 366 Comment
  UCSB37379  Aphanes occidentalis Roos, John 1950-4-22 Riverside hills N.E. of the summit of Reche Canyon 822 Comment
  JEPS29307  Apiastrum angustifolium Rimo Bacigalupi and L. Heckard 1962-3-25 8402 Riverside about 10 air mi nw of Elsinore (near Arcilla siding of the A.T. & S.F. Railway, just below and e of state hwy 71, Temescal Wash); Temescal Wash 289 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA717461  Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR172249  Apiastrum angustifolium 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
  UCR267164  Apiastrum angustifolium Mitch Provance, Matt Amalong 2015-3-24 315- 13 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., S of the lower watertank 406 Comment
  HSC85249  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UC22901  Apocynum androsaemifolium H. M. Hall 1901-6 Riverside ridges & peaks near Tahquitz San Jacinto Mts. 2286 Comment
Read comments
Aug 3 2008
  UCR12548  Aptenia cordifolia Eric Trubschenck 1972-5-8 2 Riverside NE corner of Park and 7th Streets, City of Riverside 272 Comment
  RSA0001900  Arabis johnstonii P. A. Munz, I. M. Johnston 1922-5-19 5485 Riverside Kenworthy, San Jacinto Mts. 1372 Comment
  UCR202616  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 C Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA27439  Arabis perennans C. L. Hitchcock 1940-4-5 5966 Riverside Ciffs above Cottonwood Springs Comment
  RSA482604  Arabis perennans E. C. Jaeger 1922-6-29 s.n Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  RSA66494  Arabis perennans F. W. Peirson 1933-4-15 10656 Riverside Steep South slope of Whitewater Canyon, head of Coachella Valley. 701 Comment
  RSA629147  Arctostaphylos Jon E. Keeley 1992-7-17 16767 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629175  Arctostaphylos Jon E. Keeley 1992-7-17 16794 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629413  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19502 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  CAS-BOT-BC23113  Arctostaphylos glandulosa subsp. glandulosa P. A. Munz; E. K. Balls 1952-8-21 17984 Riverside Along road from Vandeventer Flat to Santa rosa Peak 2072 Comment
  RSA631783  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19279 Riverside Highway 79, 5 km west of Radec. 580 Comment
  SEINET3093969 Image available Arctostaphylos glauca Unknown 1968-2-15 sn Riverside Tin Mine Canyon, Santa Ana Mts. Comment
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Aug 3 2013
  UC1506090  Arctostaphylos glauca R. T. Clausen 1963-4-21 63056 Riverside summit of ridge between Weber Valley and Reed Valley; Transverse Ranges Comment
  UC535008  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 1/2 mi sw summit of Moreno Grade (sw of Beaumont); Bad Lands 609 Comment
  RSA633581  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22528 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633605  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22530 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633647  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20113 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633675  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20154 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633764  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21772 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  CAS-BOT-BC44327  Arctostaphylos pringlei subsp. drupacea J. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild, San Jacinto Mts. 1676 Comment
  RSA141484  Arctostaphylos pringlei subsp. drupacea H. A. Jensen 1937-11-5 444 Riverside Upper Strawberry Valley, San Bernardino National forest. 1860 Comment
  RSA82949  Arctostaphylos pringlei subsp. drupacea R. M. Straw 1953-6-5 449 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  RSA1425  Arctostaphylos pungens B. D. Stark 1930-3-18 1488 Riverside South Keen Camp, San Jacinto Mts. Comment
  RSA635774  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16584 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635802  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16521 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA635811  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20103 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  UC9886  Argemone munita Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CAS-BOT-BC137664  Aristida adscensionis S. B. Parish 1912-10-8 8274 Riverside Salton Basin. New Schoolhouse, Indio. -6 Comment
  UC37469  Aristida adscensionis C. R. Orcutt 1890-4-24 Riverside Colorado Desert Comment
  UCR2156  Aristida adscensionis F. M. Reed 1926-5-8 5324 Riverside Perris Basin, Rocky hill near Good Hope Mine Comment
  POM1093  Aristida adscensionis var. modesta I. M. Johnston 1918-4-27 1861 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  RSA0107902  Aristida purpurea Duncan S. Bell, Thomas Stoughton 2010-3-19 576 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  UCD56547  Aristida purpurea var. nealleyi Lewis S. Rose 1945-12-29 45343 Riverside Colorado Desert, Andreas Canyon, near Palm Springs. Comment
  CAS-BOT-BC93690  Artemisia ludoviciana subsp. incompta Louis C. Wheeler 1931-10-4 171 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UC205742  Artemisia ludoviciana subsp. incompta S. B. Parish 1918-4-3 11699 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
Read comments
Nov 20 2011
  RSA0119962  Arundo donax Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9073 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCR125206  Asclepias fascicularis Mitch Provance 1998-5-27 543 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  JEPS5154  Asclepias subulata W. L. Jepson 1914-5-18 6030 Riverside County Well n Indio; Colorado Desert, County Well Comment
  SD224819  Asclepias subulata B. Pitzer 1996-11-9 2927 Riverside Orocopia Mts: Bob's Cabin, ca 4 rd mi. N of Salt Creek Rd & 4.5 air mi. S of the W end of Hayfield Lake. Hayfield 15' USGS Quad. 609 Comment
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Mar 14 2015
  SEINET12518425 Image available Asclepias subulata Mark Fishbein, Frankie Coburn, Danny Fuller 2016-1 7547 Riverside Along US Hwy 95 at jct Lonesome Dove Rd, 18 km north-northeast of jct I-10 at Blythe, west base of Big Maria Mountains, Colorado River valley. 93 Comment
  UCR244921  Asclepias subulata Jim Andre 2012-3-19 21368 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR34105  Asparagus officinalis Lance F. Howard 1984-5-28 37 Riverside San Bernardino Valley Region, Riverside, Fairmount Park, 40 m from Dexter Street, west of Lake Evans, 5 m from the maintenance road 239 Comment
  POM944  Aspidotis californica O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  POM49135  Aster alpigenus Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA774897  Astragalus Duncan S. Bell, Amber Swanson 2011-2-18 2030 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCD166215  Astragalus Jack Major 1962-4-16 767 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CAS-BOT-BC177464  Astragalus aridus P. A. Munz; D. Keck 1922-4-8 4739 Riverside Mecca, Colorado Desert -30 Comment
  UCR33595  Astragalus aridus Sears 1978-3-16 837 b Riverside Sonoran (Northern Colorado) Desert, 12 mi NW of Midland, 3 mi SW of Rice in sand dunes 244 Comment
  POM9366  Astragalus aridus Mary F. Spencer 1920-2-24 1483 -a Riverside In desert sand. Comment
  SEINET5325493  Astragalus aridus E. K. Balls 1949-4-2 12906 Riverside Near Durmid by the Salton Sea on Hwy 111, Colorado Desert 67 Comment
  CAS-BOT-BC177513  Astragalus bernardinus Philip A. Munz 1949-4-11 13006 Riverside Near Conejo Well, north base of Eagle Mts., [Mohave] Mojave Desert 914 Comment
  RSA415430  Astragalus coccineus Martha Hilend 1928-1-31 s.n Riverside N.W. of Pinto Basin, Colorado desert. Above new El Dorado mine. Comment
  JOTR01057  Astragalus coccineus Cole, James E. 1941-4-15 601 Riverside Joshua Tree National Park. .05 MILES ABOVE PINON WELL Comment
  CAS-BOT-BC177726  Astragalus crotalariae John Thomas Howell 1928-3-25 3549 Riverside Indio, Coachella Valley, Colorado Desert Comment
  CAS-BOT-BC182586  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 6711 Riverside Palm Springs Comment
  RSA800102  Astragalus didymocarpus var. dispermus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4771 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  CAS-BOT-BC182632  Astragalus didymocarpus var. obispoensis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside Pasture 1 mi. West of San Jacinto Comment
  POM2002  Astragalus douglasii var. parishii I. M. Johnston 1918-4-3 s.n Riverside San Jacinto Mountains, San Jacinto Canyon 685 Comment
  RSA801812  Astragalus douglasii var. parishii LeRoy Gross, Caitlin Elam 2013-5-21 6106 Riverside West edge of Pine Cove. Between Pine Cove and Red Hill Road(5S10). 1784 Comment
  CAS-BOT-BC182986  Astragalus gambelianus A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30107 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC187121  Astragalus lentiginosus var. borreganus S. B. Parish 1907-4-15 6119 Riverside Western base of the Colorado Desert 360 Comment
  POM24940  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert. 240 Comment
  UC863174  Astragalus lentiginosus var. coachellae I. W. Clokey, B. Templeton 1930-4-9 4710 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  CAS-BOT-BC187488  Astragalus leucolobus P. A. Munz 1922-6-28 5872 Riverside Ridge west of Toro Peak, Santa Rosa Mts. 2529 Comment
  UCR237631  Astragalus nuttallianus var. cedrosensis Duncan S. Bell, Amanda Turek 2010-4-10 835 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine and Calzona Mine, c. 3.8 air mi west of the Colorado River, c. 2 air mi northeast of Riverside Mountain Peak 198 Comment
  CAS-BOT-BC194129  Astragalus pomonensis Peter H. Raven; S. R. Snow 1956-6-30 9543 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  CAS-BOT-BC194146  Astragalus pomonensis H. L. Mason 1926-4-30 3114 Riverside Temecula Canyon, one mile south of Temecula Comment
  SD114770  Astragalus pomonensis Wayne P. Armstrong 1982-4-4 Riverside Hillsides west of Sun City housing development, west end - McCall Blvd. 424 Comment
  UCR91989  Astragalus pomonensis Michael A. Patten 1993-4-28 s.n. Riverside Murrieta, 3/4 mi. NW of California Oaks Road, 1/8 mi. NE of Interstate Hwy 15 366 Comment
  UCR97475  Athysanus pusillus A. C. Sanders 1997-3-1 19701 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR98063  Athysanus pusillus A. C. Sanders 1997-3-1 19732 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA23225  Atrichoseris platyphylla Ernest Braunton 1940-4-3 2017 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  RSA418188  Atrichoseris platyphylla Anstruther Davidson 1922-03 3483 Riverside Mecca Comment
  SBBG46705  Atrichoseris platyphylla Leota Davidson 1966-4-5 224 Riverside E of intersection at Wiley Well, Chuckwalla Mtns Comment
  POM278693  Atriplex canescens Grant D. Brown 1959-3-29 523 Riverside 2 miles east of Hemet (E. Florida Ave.) Comment
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Jul 8 2012
  UC1080345  Atriplex canescens E. K. Balls and P. C. Everett 1957-11-5 22757 Riverside just s Thermal (State Hwy 111); s of Thermal 30 Comment
  UC500784  Atriplex canescens Aven Nelson 1930-3-1 11152 Riverside Indio Comment
  UCR33640  Atriplex canescens Sears 1978-4-12 1180 b Riverside Sonoran (Colorado) Desert, 8 mi northeast of Desert Center 159 Comment
  CAS-BOT-BC170204  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 379 Riverside 2 mi. SE Salton Bench Mark 76 Comment
  CAS-BOT-BC170213  Atriplex canescens subsp. canescens Lewis S. Rose 1935-12-19 35670 Riverside Palm Springs - Colorado Desert 138 Comment
  JOTR34047  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2947 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  POM278955  Atriplex canescens var. linearis Grant D. Brown 1951-3-28 615 Riverside Date Palm Beach Comment
  SD80078  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 331 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  SD175810  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Rd. and Temescal Wash; south ca. 1.5 mile of Blue Diamond Quarry. 310 Comment
  UCR203887  Atriplex glauca R. E. Riefner Jr. 2006-2-20 06- 29 Riverside city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  CAS-BOT-BC170256  Atriplex hymenelytra H. S. Gentry 1933-2-23 s.n. Riverside Dos Palmos Comment
  JOTR37713  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  UC1076492  Atriplex hymenelytra Herbert L. Mason 1928-3-10 4206 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCR265195  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-5-9 97 Riverside Sonoran (Colorado) Desert, wash c. 1 mile north of the Bradshaw Trail [off Salt Creek Wash] 405 Comment
  RSA478278  Atriplex lentiformis Jack Rempel 1932-11-11 16115 Riverside Dos Palmos Springs, Colorado Desert Comment
  RSA478279  Atriplex lentiformis H. de Forest 1929-4-18 s.n. Riverside Colorado Desert Comment
  UCR49997  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  RSA702186  Atriplex semibaccata Scott D. White, Michael Honer 2004-3-11 9897 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  CAS-BOT-BC176761  Atriplex serenana var. serenana A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tesquesquite and the river 232 Comment
  JEPS59526  Atriplex serenana var. serenana H. M. Hall June, 1901 Riverside Riverside Comment
  UCR41434  Atriplex triangularis Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  CSUSB422  Avena fatua D. L. Heald 1966-4-5 Riverside In the front yard of D.L. Heald's residence in Arlington. 304 Comment
  SEINET14287513  Avena fatua N. C. Cooper 1944-5-6 1218 Riverside Banning. 701 Comment
  RSA0041957  Ayenia compacta Duncan S. Bell, Marcel Beffort 2014-4-22 6598 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  SD247312  Baccharis brachyphylla Andy Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Road. 646 Comment
  RSA220386  Baccharis emoryi C. W. Tilforth, John Dourley 1970-10-16 315 Riverside 1 mile W of Lake Mathews along Cajlco road Comment
  UCR121891  Baccharis pilularis Ian G. Gillespie 2001-5-7 81 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  RSA652565  Baccharis salicifolia Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 228 Comment
  JEPS21296  Baccharis salicifolia subsp. salicifolia W. L. Jepson Oct 22 1912-Nov 7 1912 5266 Riverside Palo Verde Valley Colorado River, Palo Verde Valley 45 Comment
  UC484085  Baccharis salicina C. B. Wolf 1931-3-13 Riverside 2 mi n Blythe 152 Comment
  CAS-BOT-BC99820  Baccharis sarothroides Carl B. Wolf 1932-10-13 4311 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  UCR17640  Baccharis sarothroides Paul Mack, Hap Ritter 1976-10-21 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, southwest side of the Chuckwalla Mountains 612 Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  RSA5438  Baccharis sergiloides C. B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  UCR34875  Baccharis sergiloides L. B. Ziegler 1964-10-15 047 Riverside San Jacinto Mtns, Garner (Hemet) Valley from Kenworthy area 1387 Comment
  PASA2179  Baeria microglossa Frank W. Peirson 1919-4-14 Riverside Murray Canyon Comment
  CAS-BOT-BC295891  Bahiopsis parishii Lewis S. Rose 1935-12-23 35701 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 1066 Comment
  CAS-BOT-BC99964  Baileya pauciradiata Ira L. Wiggins 1941-3-27 9687 Riverside South end of Coxcomb Mountains 8 miles north of Desert Center Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  RSA516890  Baileya pauciradiata Steve Boyd, Orlando Mistretta 1986-3-13 1404 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  JOTR16564  Baileya pleniradiata Walters, Jim 1967-5-12 s.n. Riverside Joshua Tree National Park. EAST-WEST ACCESS ROAD TO LOST HORSE RANGER STATION 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
  CLARK-A1045-215  Bebbia juncea 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
  RSA0112095  Bebbia juncea Duncan S. Bell 2010-2-20 540 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  RSA696870  Bebbia juncea J. Russell Bruff 1928-11-23 2 Riverside Whitewater. Comment
  UCR260869  Bebbia juncea A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41563 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., lower Horsethief Canyon Wash just above DePalma Rd. crossing, 1/4 mile NW of Horsethief Canyon Rd. junction 375 Comment
  UCR272461  Bebbia juncea Mitch Provance 2012-8-1 712- 06 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  CAS-BOT-BC100128  Bebbia juncea var. aspera F. Grinnell 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  SD181715  Bebbia juncea var. aspera Scott D. White 2000-10-24 8141 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UC101066  Bebbia juncea var. aspera F. M. Reed 1904-8-22 643 Riverside vicinity of Riverside Riverside Comment
  UC729730  Bebbia juncea var. aspera Carl B. Wolf 1932-4-27 1476 Riverside 14 mi e of Mecca (on Blythe Road (e of Shavers Well), Colorado Desert); Colorado Desert, Blythe Road 152 Comment
  CLARK-A1528-5635  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  UCSB37834  Bergia texana Roos, John 1952-5-28 Riverside San Jacinto river bottomland 1 mile southeast of Perris Comment
  UCR232024  Bloomeria crocea John F. Green 2008-4-24 11- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Kimes Ln. 511 Comment
  RSA0103577  Boerhavia coulteri Duncan S. Bell 2015-9-30 8653 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SD255218  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  UCR245996  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-9-13 4209 A Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  UCR109747  Bolboschoenus maritimus subsp. paludosus T. W. Fisher 1964-7-21 s.n. Riverside Peninsular Range, Temecula area, Arroyo Seco Creek at Vail Lake 457 Comment
  UC126634  Bouteloua aristidoides var. aristidoides H. M. Hall 1905-5-1 5962 Riverside canyons along Colorado River; Colorado Desert Comment
  CAS-BOT-BC226241  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
  RSA126996  Bouteloua barbata H. S. Yates 1927-6-28 6732 Riverside Palm Springs. 137 Comment
  JEPS8276  Bouteloua barbata var. barbata Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3602 Riverside along State Hwy 111 just opposite northern end of the Salton Sea -57 Comment
  SEINET3081272 Image available Bowlesia incana David C. Hawks, G. Bruyea 1987-4-3 Riverside Peninsular Range; Gaylord property, NW of Aguanga 550 Comment
  CDA42237  Brandegea bigelovii Don Nelson 1973-1-3 s.n. Riverside 12 miles north of Blythe on Midland Road. 0 Comment
  RSA394238  Brandegea bigelovii Christopher Davidson, J. Jones 1980-4-4 9943 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA5173  Brandegea bigelovii C. B. Wolf 1932-4-17 2988 Riverside 14 mi. E of Mecca on Blythe rd 152 Comment
  UCR103555  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  CLARK-A1528-345  Brassica geniculata Bob Sullivan 1966-3-26 Riverside Lake Mathews 396 Comment
  RSA0102676  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA496658  Brassica tournefortii A. C. Sanders 1988-1-30 7590 Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. 328 Comment
  SD182672  Brassica tournefortii Judy Gibson 2008-3-17 Riverside City of Palm Desert, weed in street landscaping, Sun City retirement community on Westridge Ave., about 100 yards south of Grape Arbor Ave 34 Comment
  UCR243159  Brassica tournefortii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4295 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  CAS-BOT-BC106338  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  POM10238  Brickellia californica F. M. Reed 1903-10-24 94 Riverside Cold water canyon [Santa Ana Mts., near Temescal Valley] Comment
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Apr 7 2011
  POM229527  Brickellia desertorum Noel Wallace 37 Riverside Hester's Spring, Box Springs Mt. Comment
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Sep 7 2011
  RSA592445  Brickellia desertorum L. C. Wheeler 1966-10-15 8986 Riverside San Jacinto Mountains. Carrizo Creek, off Dead Indian Canyon. 854 Comment
  UCR150643  Brickellia desertorum Bern Schwenn 1994-10-30 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains, Long Canyon; main canyon above narrows 976 Comment
  CLARK-A1045-180  Brodiaea filifolia George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5' Q Comment
  UCR9396  Bromus carinatus D. H. Wilken 1965-6-29 361 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  UCR2241  Bromus diandrus F. M. Reed 1934-1-20 8694 Riverside Riverside, Bluffs Ranch [Chicago Ave. N of Arroyo Tequesquite] 274 Comment
  UCR209337  Bromus grandis Fred M. Roberts, Robt. L. Allen 2008-6-23 7056 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  POM147497  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -B Riverside Vail Ranch west of Aguanga. Comment
  SD248298  Bromus madritensis subsp. rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range;, Santa Ana Mountains Area: Temescal Canyon, mouth of a small canyon between Horsetheif Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Road (Alberhill 7.5'Q) 369 Comment
  UC1537242  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 107 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  UCR223864  Bromus tectorum A. C. Sanders 2011-2-24 38736 Riverside San Bernardino Valley Region, Jurupa Hills, eastern lobe of Rattlesnake Mountain, west of Riverside Cement Plant 407 Comment
  UC1930179  Bromus trinii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, T. S. Ross 2003-4-17 10455 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
  UCR23982  Bromus trinii John C. Roos 1962-3-24 s.n. Riverside San Bernardino Mtns., Whitewater Canyon 854 Comment
  UCR42311  Bromus trinii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 171 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  SBBG133350  Caesalpinia gilliesii S. D. White, A. Carey 2004-7-2 10577 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  JEPS24876  Caesalpinia virgata Peter M. Ray 1949-3-12 1379 Riverside e. Mecca (Painted Canyon, Orocopia Mts.); Orocopia Mts., Painted Canyon Comment
  JEPS54869  Caesalpinia virgata W. L. Jepson 1927-4-12 11634 Riverside Mecca, Painted Canyon Colorado Desert, Mecca, Painted Canyon Comment
  UC555386  Caesalpinia virgata H. L. Mason 1928-3-10 Riverside Coachella Mts., Hidden Springs Canyon Comment
  UCR256339  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR85155  Caesalpinia virgata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16091 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA342515  Calandrinia ciliata R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR91464  Calandrinia ciliata Scott D. White 1995-3-30 2659 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  RSA757464  Callitriche marginata R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55208 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  CAS-BOT-BC85769  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UC1200604  Calocedrus decurrens Peter Kamb 1945-2-18 23 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR26355  Calocedrus decurrens A. C. Sanders, J. A. Harpel 1981-8-26 2337 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  POM122635  Calochortus concolor Marcus E. Jones 1925-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UC729899  Calochortus invenustus Carl B. Wolf 1932-8-5 Riverside on trail from Tahquitz Valley to San Jacinto Peak (fork of Tahquitz Creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  RSA369043  Calochortus palmeri var. munzii N. C. Cooper 1944-5-20 1262 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  CAS-BOT-BC132459  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  RSA773133  Calochortus plummerae Duncan S. Bell, J. D. England 2010-6-7 1269 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  UCR217563  Calochortus plummerae Jeff B. Galvin 2008-6-18 70 Riverside Peninsular Ranges, western foothills of the San Jacinto Mountains, Potrero, Massacre Canyon 605 Comment
  UCR281798  Calochortus weedii var. weedii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-25 517- 129 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  JOTR34075  Calycoseris parryi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2972 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
  JEPS23599  Calycoseris wrightii Mary Beal 1941-4-6 863 Riverside Box Canon Mohave Desert, Box Canon Comment
  RSA0065471  Calycoseris wrightii M. P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  CLARK-A1528-3815  Calyptridium monandrum John C. Roos 1952-4-23 5581 Riverside Box Springs Mountains Comment
  SD167060  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  SEINET3088878 Image available Calyptridium monandrum Scott White 1991-5-10 91 -126 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  SDSU17435  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 376 Riverside San Jacinto Wilderness State Park, on trail to summit ca. 1 km west of Round Valley. Population occurred on both sides of trail, in both disturbed and undisturded habitat. 2896 Comment
  UC1618032  Calyptridium parryi Donald G. Nelson 1935-5-21 366 Riverside e. lake Hemet (and n. of Mt. Thomas, slopes just n. of meadow in valley just e. of Hurkey Creek Cap <camp ?> area); San Jacinto Mts. Comment
  SBBG37494  Calystegia macrostegia R. N. Muller, S. Lindsey 1967-5-11 Riverside 1.5 mi S on Pigeon Pass Rd from jct with rd to Riverside Co Dump Comment
  RSA583740  Calystegia macrostegia subsp. tenuifolia Steve Boyd 1995-4-24 8491 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  RSA465919  Camissonia bistorta N. C. Cooper 1947-4-5 2097 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA465930  Camissonia bistorta Ora M. Clark 1929-2-23 1664 Riverside near Whitewater Comment
  RSA466972  Camissonia bistorta E. Crow 1929-4-7 311 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  UCR102731  Camissonia bistorta B. G. Pitzer 1998-1-25 3419 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR107711  Camissonia bistorta A. C. Sanders 1997-3-1 19750 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR225711  Camissonia bistorta A. C. Sanders 2011-3-30 38916 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR240996  Camissonia boothii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 49 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR233165A  Camissonia boothii subsp. condensata Jim Andre, Glenn L. Clifton 2011-2-22 17446 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA136658  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11475 Riverside Box Canyon, 5.5 miles SE of Painted Canyon turnoff, near Mecca. Comment
  CLARK-A1528-656  Camissonia californica Charlotte Stocks 1964-5-20 Riverside Comment
  CSUSB180  Camissonia californica Steve Kulju 1974-4-27 Riverside Box Springs Mountains Box Springs Mountains; dirt road to the radio tower, 4 miles from Pigeon Pass Road. 761 Comment
  RSA13902  Camissonia californica P. A. Munz, D. Keck 1922-4-9 4750 Riverside Palm Springs. 76 Comment
  RSA314452  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55450 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA466174  Camissonia californica M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  RSA136919  Camissonia cardiophylla Peter H. Raven 1958-3-15 11832 Riverside Painted Canyon, near Mecca. Comment
  POM14292  Camissonia chamaenerioides P. A. Munz, D. Keck 1922-4-9 4853 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UCR214868  Camissonia claviformis A. C. Sanders 2010-3-15 37398 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR256702  Camissonia claviformis Duncan S. Bell 2012-3-18 3216 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  RSA444306  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-1-29 4177 Riverside Low sand dunes NE of Fred Warring [Waring] Drive, Palm Desert. [seed voucher] Comment
  RSA457770  Camissonia claviformis subsp. aurantiaca Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2115 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA676148  Camissonia claviformis subsp. aurantiaca Scott D. White 2001-4-12 8313 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR102925  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2682 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR98303  Camissonia confusa Scott D. White 1993-5-29 1459 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA113258  Camissonia hirtella E. K. Balls 1955-4-4 20429 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  RSA186751  Camissonia hirtella Peter H. Raven 1962-4-28 17489 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  RSA562118  Camissonia hirtella Steve Boyd 1992-4-14 6788 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR3353  Camissonia ignota T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 1 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off SE road fork 762 Comment
  RSA779065  Camissonia micrantha C. P. Cowan 1978-4-25 1278 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  UCR118245  Camissonia micrantha Mitch Provance, J. Ross 1999-4-1 1736 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  RSA72201  Camissonia pallida subsp. hallii F. W. Peirson 1914-04 791 Riverside Whitewater east of Beaumont. Comment
  POM10194  Camissonia pallida subsp. pallida P. A. Munz 1920-4-30 4495 Riverside Pinyon Wells, Little San Bernardino Mts. 1220 Comment
  POM38437  Camissonia pallida subsp. pallida Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA770789  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4529 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA718774  Camissonia refracta Michael Honer, L. Hulse 2004-4-4 1927 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  POM184788  Camissonia strigulosa Carl V. Meyer 1927-06 159 Riverside Saunder's Meadow, San Jacinto Mts. 1677 Comment
  RSA556435  Camissonia strigulosa Julie Greene 1993-4-17 1188 Riverside San Jacinto Wildlife Area. Flat area west of Davis Rd. 445 Comment
  RSA674567  Camissonia strigulosa Scott D. White 2000-5-3 7768 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  UCR158276  Camissonia strigulosa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30124 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
  UCR166101  Camissoniopsis A. C. Sanders 1994-5-29 14556 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCR166290  Camissoniopsis confusa B. G. Pitzer 1997-3-23 2993 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UC147299  Camissoniopsis ignota H. M. Hall 1897-4-3 429 Riverside Winchester Comment
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Mar 20 2011
  UC172326  Camissoniopsis ignota Charlotte M. Wilder 1903-4-23 103 Riverside near Riverside; Wilder's Comment
  UCR166112  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16232 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
  CAS-BOT-BC34440  Carex deflexa var. boottii Peter H. Raven 1959-5-17 14228 Riverside San Jacinto Mountains. Lake Fulmore. Comment
  SD127288  Carex feta Reid Moran 1977-7-4 24296 Riverside Summit of Mount San Jacinto; common among rocks. 3050 Comment
  RSA697513  Carex fracta J. Russell Bruff 1934-7-7 s.n. Riverside Idyllwild Comment
  UCR108996  Carex globosa D. L. Banks 1997-3-29 1563 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UC537214  Carex heteroneura M. E. Jones Sep 1933 Riverside San Jacinto Mts. Comment
  RSA364666  Carex nebrascensis M. B. Dunkle 1933-7-22 3743 Riverside Tahquitz Valley. 2317 Comment
  SEINET10711418  Carex nebrascensis Robert F. Thorne, J. , P. Simon; C. W. Tilforth 1969-6-24 Thorne 38142 Riverside San Jacinto Mountains: San Berardino National Forest. Above James Reserve. Along small stream. Associated species-Pinus ponderosa, P. coulteri, P. lambertiana, Abies concolor, Quercus kelloggii, Calocedrus, etc. 1676 Comment
  RSA364643  Carex phaeocephala George R. Johnstone 1928-10-3 s.n. Riverside San Jacinto Mountain. Summit. 3293 Comment
  RSA522270  Carex praegracilis Steve Boyd, David E. Bramlet, Harry Spilman 1989-4-30 3516 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UC1930090  Carex praegracilis Scott D. White, Justin Wood 2008-4-3 11795 Riverside Perris/Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. (Lake Matthews) Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC117447  Carex senta Frederick Morris Reed 1908-7-10 2558 Riverside Round Valley, San Jacinto Mt. 2743 Comment
  CAS-BOT-BC117450  Carex senta D. E. Breedlove 1961-7-29 873 Riverside Fuller Mill Creek where it crosses Riverside Hwy #1. San Jacinto Mountains. 1645 Comment
  POM1598  Carex triquetra I. M. Johnston 1918-4-27 s.n. Riverside Temecula. 335 Comment
  UCR23673  Carthamus tinctorius John C. Roos 1965-7-7 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  SD146274  Cassia nemophila A. C. Sanders, K. C. Rose 1999-5-28 22794 Riverside Coachella Valley: between La Quinta and Indio along Jefferson St. between Ave 54 and I-10 10 Comment
  UCR240274  Castela emoryi Duncan S. Bell 2009-10-10 505 Riverside Sonoran (Colorado) Desert, Arica Mountains, east side of the mountain range; west side of Rice Valley; c. 5 air miles SE of the ghost town of Rice 211 Comment
  SEINET3079495 Image available Castilleja affinis Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  UC454834  Castilleja applegatei subsp. martinii I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 2743 Comment
  JOTR36415  Castilleja chromosa La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3361 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UCR133187  Castilleja densiflora subsp. gracilis Frank C. Vasek 1978-5-12 s.n. Riverside Santa Ana Mtns., Tenaja Road, c. 0.5 mi. east of Clinton Keith Rd. 671 Comment
  UCR60718  Castilleja densiflora subsp. gracilis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 888 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  SD90187  Castilleja exserta subsp. exserta Benjamin C. Stone April 1952 41 Riverside near Temecula 305 Comment
  UC26457  Castilleja miniata H. M. Hall 1901-7-29 2547 Riverside along West Fork Snow Creek West Fork Snow Creek (North Side); San Jacinto Mountains 1524 Comment
  POM14299  Caulanthus cooperi P. A. Munz, D. D. Keck 1922-4-9 4787 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR263215  Caulanthus heterophyllus Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest, near Main Divide Road c. 2 km southeast of Ortega Hwy 843 Comment
  UCR280954  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 61 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  CAS-BOT-BC40267  Caulanthus lasiophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4056 Riverside Vail Lake area, summit of Big Oak Mountain at east end. 792 Comment
  UCR77706  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6122 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  RSA0043377  Caulanthus major John F. Emmel 1996-6-16 1409 Riverside San Jacinto Mts.; Spitler Peak Trail, 0.0-0.1 air mile south and 0.4-0.5 air mile east of Cartridge Spring. 1767 Comment
  CHSC36013  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  RSA0043328  Caulanthus simulans John F. Emmel 1991-5-22 1173 Riverside San Jacinto Mountains; side canyon of South Fork San Jacinto River, 1.3 air miles south of Halfway Spring (ca. 0.5 air mile southeast of Toll Road Canyon). 792 Comment
  PASA1640  Ceanothus crassifolius Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA160402  Ceanothus crassifolius John Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in w. Corona, after 3 mi turn w. on Chase Dr., then s. on Oak Flat fire road for 3 mi. past olive trees. 762 Comment
  RSA398893  Ceanothus crassifolius M. B. Dunkle 1935-3-3 4354 Riverside San Juan Canyon. 762 Comment
  UCD111420  Ceanothus crassifolius Beecher Crampton 1963-5-7 6787 Riverside 2 miles west of El Cariso Guard Station, Cleveland National Forest, Santa Ana Mountains. 701 Comment
  UCR124167  Ceanothus crassifolius June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  UCR91675  Ceanothus crassifolius Steve Boyd, D. L. Banks 1995-4-5 8417 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  RSA399036  Ceanothus cuneatus Bonnie C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  SD129398  Ceanothus cuneatus Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, 1/2 mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR16497  Ceanothus cuneatus P. A. Rauch 1966-4-5 s.n. Riverside San Jacinto Mtns., [Hwy 74] at hairpin turn [White Post Turn], roadside 1098 Comment
  RSA0019577  Ceanothus cuneatus var. cuneatus Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA500225  Ceanothus greggii var. perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3251 Riverside Anza Valley, along Hwy 371, 0.5 mi S of jtn with Hwy 74. Comment
  POM254877  Ceanothus integerrimus W. Pequegnat 1940-5-17 s.n. Riverside Bear Springs. 1311 Comment
  RSA0018960  Ceanothus leucodermis N. C. Cooper 1944-6-17 1444 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  CAS-BOT-BC63567  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7208 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1.5 mi. below (n.) main divide motorway. 1280 Comment
  RSA557733  Ceanothus ophiochilus Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 A Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA606754  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27409 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  CAS-BOT-BC51926  Ceanothus perplexans Edmund C. Jaeger 1922-6-12 s.n. Riverside East slope of San Jacinto Mts. on McMullen Trail 1219 Comment
  CAS-BOT-BC51931  Ceanothus perplexans C. B. Wolf 1931-5-11 1944 Riverside near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA0022336  Ceanothus perplexans Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR399  Ceanothus perplexans John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., north slope of Mt. San Jacinto, [at/near Mt. Edna Rd.] 6 mi. SE of Banning on Hwy 243 1159 Comment
  POM310178  Ceanothus spinosus Hulda Crooks 1946-3-2 s.n. Riverside Beaumont-E. of Town. 701 Comment
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Feb 17 2013
  UCR5996  Ceanothus spinosus David M. Peterson 1966-3-9 660309- 12 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  UC284195  Centaurea melitensis P. A. Munz 1923-6-18 7123 Riverside 3 mi n of Lake Elsinore 411 Comment
  RSA503403  Centaurea melitensis J. D. Olmsted 1962-5-10 3613 Riverside L. Matthews Rd ca. 0.5 mi. W of dam. 427 Comment
  UCR159773  Centaurea solstitialis Chris E. True, Robert Cox 2005-6-17 s.n. Riverside Beaumont Badlands, San Timoteo Canyon, north of historic schoolhouse and RR tracks, just NE of El Casco Lakes 610 Comment
  POM320424  Centaurium venustum David Wheat 1968-5-16 138 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  RSA0087147  Centromadia pungens subsp. laevis F. W. Peirson 1924-6-21 4762 Riverside Near Temecula. 335 Comment
  RSA0011486  Cerastium fontanum subsp. vulgare Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4992 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SD260297  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 Riverside Peninsular Range: UC Emerson Oaks Resrve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  HSC93131  Chaenactis artemisiifolia Karen Kirtland 1993-4-17 Riverside N of Temecula Comment
  RSA263762  Chaenactis artemisiifolia E. W. Lathrop 1968-6-2 6956 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR135998  Chaenactis artemisiifolia Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR250123  Chaenactis artemisiifolia A. C. Sanders 2014-4-23 41055 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  RSA779581  Chaenactis carphoclinia Duncan S. Bell 2009-3-7 13 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SBBG97181  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR269868  Chaenactis carphoclinia A. C. Sanders, Jim Malusa 2016-3-18 42366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 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
  LA203117  Chaenactis carphoclinia var. carphoclinia A. M. Johnson; 1928-5-5 360 Riverside Painted Canyon Comment
  UC1424854  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, J. Dourley, W. Wisura 1977-5-19 1326 Riverside ca. 2 mi s of, and Hiway 62 along Blythe-Rice Rd. Rice 266 Comment
  UC90179  Chaenactis carphoclinia var. carphoclinia S. B. and W. F. Parish 1882-4-1 Riverside Aqua Caliente Comment
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Jun 9 2012
  UCR75051  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, E. Lawlor 1992-4-4 12106 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SBBG7877  Chaenactis fremontii H. and M. Dearing 1937-4-10 2869 Riverside ca. 16 mi N of Indio Comment
  SFV5007  Chaenactis fremontii F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  UCR88110  Chaenactis fremontii A. C. Sanders, G. Nuhn 1995-4-20 16585 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCR90163  Chaenactis fremontii R. W. Scora 1966-4-1 3010 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UCR213851  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  RSA594772  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Dylan Hannon 1996-5-3 0993 B Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  RSA771657  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4911 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
  CAS-BOT-BC277554  Chaenactis glabriuscula var. lanosa LeRoy Abrams 1903-4-15 3229 Riverside Cabazon Station Comment
  UC63022  Chaenactis glabriuscula var. lanosa H. M. Hall May 1899 1141 Riverside Kenworthy San Jacinto Mtns 1432 Comment
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Mar 25 2011
  UCR20191  Chaenactis parishii Jeanine Derby 1977-1 s.n. Riverside Santa Rosa Mtns., Santa Rosa Mountain, along FS Route 7S02 [near Mountain Home Spring] 1951 Comment
  CAS-BOT-BC284350  Chaenactis stevioides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA0105668  Chaenactis stevioides Duncan S. Bell 2010-4-2 713 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; aproximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  UC494758  Chaenactis stevioides C. L. Hitchcock 1932-4-8 12215 Riverside 1 mi w of Cottonwood Spring Comment
  UCD20144  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -11 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  POM2807  Chamaesyce albomarginata Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, sandy foothills near Lake Elsinore. Comment
  RSA316541  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
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Apr 5 2011
  RSA599301  Chamaesyce micromera L. C. Wheeler 1954-11-25 7102 Riverside Corn Springs Wash, ca. 2 mi. south of Desert Center, Blythe Highway. Comment
  RSA779800  Chamaesyce polycarpa Duncan S. Bell 2009-3-8 98 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SBBG104670  Chamaesyce polycarpa J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  POM2680  Chamaesyce polycarpa var. hirtella I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon . Comment
  UC196601  Chamaesyce setiloba Joseph Grinnell 1910-3-17 Riverside Riverside Mtn, Colorado River Comment
  UC489275  Chamerion angustifolium subsp. circumvagum C. V. Meyer 1928-7-26 534 Riverside Deer Springs San Jacinto Mt. 2743 Comment
  RSA33511  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  RSA543748  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6052 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga 600 Comment
  JOTR32631  Cheilanthes covillei La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2554 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA736704  Cheilanthes newberryi Scott D. White 2004-4-26 10246 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UCR132352  Cheilanthes newberryi Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  RSA577151  Cheilanthes parryi L. C. Wheeler 1933-12-2 2305 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  UCR153432  Cheilanthes parryi L. C. Wheeler 1964-10-17 8638 Riverside Sonoran Desert, North side of Orocopia Mountains, south of Hayfield Reservoir 457 Comment
  POM9750  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  CAS-BOT-BC70383  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  UCR181179  Chenopodium Mitch Provance 2003-6-7 7611 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  RSA777346  Chenopodium album Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4707 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65122 604 Comment
  UCR113607  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside, railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UCR126430  Chenopodium album T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  RSA613314  Chenopodium album D. L. Banks 1997-3-1 1379 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA666522  Chenopodium berlandieri Mitch Provance 2000-8-24 2218 Riverside Jurupa Mountains: NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  UCR20857  Chenopodium berlandieri A. C. Sanders 1978-8-27 00277 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR115131  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2276 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  CHSC26386  Chenopodium californicum Cheryl Johnson 1966-4-16 131 Riverside Ca. 12 miles South of Hemet, West of Sage and North of Black Hiils and Vail Lake in Tucaloto Valley. 609 Comment
  UC1537379  Chenopodium californicum Gordon H. True Jr. 1935-3-14 102 Riverside Gavilan Hills 609 Comment
  UCR94647  Chenopodium californicum Scott D. White 1996-5-27 4072 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  UCR5261  Chenopodium pumilio O. F. Clarke 1966-10-12 661012- 16 Riverside Riverside, University of California, Riverside, Botanic Garden 400 Comment
  RSA650063  Chilopsis linearis Peter Gail 1961-5-12 s.n. Riverside Pushawalla Canyon, 2 miles from Powerline Rd. Comment
  UCR22207  Chilopsis linearis Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mtns., Juniper Flats Rd, just NW of the communication site Comment
  UCR94961  Chloris truncata Scott D. White 1996-9-22 4535 A Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UCR207970  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 20 miles west of Blythe on Mecca road 122 Comment
  SD227877  Chorizanthe brevicornu Scott D. White, Pam Devries 1998-2-9 6078 Riverside La Quinta / Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. USGS La Quinta 7.5' quad. 17 Comment
  UCR148337  Chorizanthe brevicornu John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR4619  Chorizanthe brevicornu var. brevicornu Frank C. Vasek 1960-3-17 600317- 05 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  UCSB1361  Chorizanthe brevicornu var. brevicornu Haller, John 1959-3-22 Riverside immediately south of Hwy 60-70 , 5.9 miles E. of Desert Center Comment
  UCR21931  Chorizanthe coriacea Steve Boyd 1980-5-2 159 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA65184  Chorizanthe corrugata F. W. Peirson 1926-2-22 6509 Riverside Thousand-Palms Canyon. 152 Comment
  UC635066  Chorizanthe corrugata Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert, 1000 Palm Canyon Comment
  UCR55274  Chorizanthe fimbriata Kathy Harper 1988-7-16 s.n. Riverside Peninsular Range, Cleveland National Forest, on Hwy 74 near El Cariso, SE of Hwy Comment
  CAS-BOT-BC191353  Chorizanthe leptotheca John Thomas Howell 1927-8-2 2926 Riverside top of Control on road to Hemet, Mt. San Jacinto 1371 Comment
  SD134411  Chorizanthe leptotheca Craig Reiser 1990-5-31 Riverside Vail Lake Comment
  UC52644  Chorizanthe leptotheca H. M. Hall 1901-7-1 2255 Riverside Fuller's Mills Mountains San Jacinto Mountains, , w end (San Jacinto Mountains, w end) 1584 Comment
  UCR139168  Chorizanthe parryi var. parryi S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR174426  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32512 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
  RSA0092853  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-12 2352 Riverside Peninsular Range: Temecula, c.4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR120656  Chorizanthe polygonoides var. longispina D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1783 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR174161  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32603 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
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  RSA0031016  Chorizanthe rigida Jim Andre 2013-3-27 24805 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA392745  Chorizanthe rigida Robert Gustafson 1983-3-27 2483 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  SJSU9101  Chorizanthe rigida R. C. McGehee 1970-4-15 200 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  UCR51957  Chorizanthe rigida Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2105 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  VVC2475  Chorizanthe rigida Tim Thomas 2013-3-18 5943 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR35829  Chrysopsis villosa var. fastigiata R. F. Thorne, Et al 1982-10-8 55400 Riverside San Bernardino Mtns, side canyon on W side of Whitewater Cyn, c. 3.3 mi. north of Whitewater Post Office. 610 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  UCR58506  Chrysothamnus paniculatus Reid Moran 1967-11-7 14648 Riverside Sonoran (Colorado) Desert, 4 mi. north of Palm Springs. 300 Comment
  SD125547  Chylismia brevipes subsp. brevipes Steven A. Junak 1983-3-24 1658 Riverside North side of Highway 10, 6.9 miles west of Pinto Basin Road. 427 Comment
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  UC1184298  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11436 Riverside desert alluvial fan Fargo Canyon Comment
  UCSB4431  Chylismia claviformis Haller, John 1957-3-23 Riverside at southern boundary of Joshua Tree Natl Mon; 4 air miles S. of Cottonwood Sprs; and 1 mile N. of juct with US 60 609 Comment
  CAS-BOT-BC160605  Chylismia claviformis subsp. aurantiaca Javier Penalosa 1963-4-10 s.n. Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  JEPS23483  Chylismia claviformis subsp. aurantiaca Marjorie D. Clary 1933-2-26 2060 Riverside Aqueduct Rd North Colorado Desert 243 Comment
  JOTR38683  Chylismia claviformis subsp. aurantiaca Hodges, Stephen R. 2017-2-7 699 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
  UC63255  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside vicinity of Riverside; Santa Ana River, Riverside 213 Comment
  RSA741377  Cirsium scariosum Scott D. White, Justin M. Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  UCR202218  Cirsium vulgare 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
  CAS-BOT-BC438863  Cistanthe monandra Elizabeth McClintock 1958-4-3 s.n. Riverside Near southern entrance to Joshua Tree National Monument Comment
  RSA699173  Cistanthe monandra J. Russell Bruff 1928-4-2 110 Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA718827  Cistanthe monandra Michael Honer, L. Hulse 2004-4-3 1924 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
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Jun 8 2016
  POM12750  Cistanthe monosperma P. A. Munz 1922-7-6 6003 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  POM13821  Clarkia epilobioides P. A. Munz 1922-4-28 5052 Riverside 3 miles south of Glen Ivy Comment
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Apr 3 2011
  UC76442  Clarkia epilobioides Miss M. Alice King 1893-5-1 Riverside Menifee Comment
  CAS-BOT-BC164762  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCSB4304  Clarkia rhomboidea Kamb, Peter 1948-7-4 Riverside Hall Cyn; San Jacinto Mtns 1645 Comment
  RSA653073  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SD152801  Clarkia similis Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7350 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent bences and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UCR35362  Clarkia similis L. B. Ziegler 1969-5-12 359 Riverside San Jacinto Mtns, Lower Bautista Canyon 610 Comment
  SDSU20274  Claytonia parviflora subsp. parviflora Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 127 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. 357 Comment
  JEPS43258  Claytonia parviflora subsp. viridis W. L. Jepson 1901-5-25 1447 Riverside Indian Village at Santa Rosa; Santa Rosa Comment
  UC218122  Claytonia parviflora subsp. viridis P. A. Munz 1922-6-30 5910 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  CLARK-A1528-3851  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  RSA770707  Clematis ligusticifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4810 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR12288  Clematis ligusticifolia Paul D. Wood 1971-10-3 s.n. Riverside Riverside, Santa Ana riverbottom area bordering Fairmount Park 244 Comment
  UCR195112  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA552742  Clematis pauciflora Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6674 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
  RSA585795  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-5-9 422 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  SD80140  Clematis pauciflora Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 367 Riverside Deep Canyon south of Hwy 74, ca. 2 mi up water service road, below crossing; north slope Santa Rosa Mountains. 1310 Comment
  UC75779  Clematis pauciflora Miss M. A. King 1893-1 Riverside Menifee Comment
  HSC79029  Clinopodium chandleri R. A. Fawcett 1938-5-14 Riverside San Mateo Canyon S of Elsinore Comment
  UCR110  Cnicus benedictus Frank C. Vasek 1955-5-21 210 Riverside San Jacinto Mtns. Foothills, 6 mi east of Hemet [on Hwy 74; Valle Vista area] 549 Comment
  UCR62143  Collinsia childii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2273 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM172085  Collinsia concolor V. Newsom 1930-4-26 s.n. Riverside Hills between Beaumont and Yucaipa, Riverside. Comment
  RSA0117404  Collinsia concolor Scott D. White, Michael Honer 2003-4-25 9116 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA0117465  Collinsia concolor LeRoy Gross, Evan Meyer 2013-5-21 6110 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SEINET270111 Image available Collinsia parryi Steve Boyd, Orlando Mistretta 1992-4-23 7072 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains along San Mateo Creek from Riverside County Line following San Mateo Trail upstream to th 244 Comment
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Aug 24 2013
  RSA0117390  Collinsia parryi E. W. Lathrop 1969-5-8 7014 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SBBG9375  Condea emoryi H. and M. Dearing 1936-12-26 1576 Riverside Palms to Pines Hwy Comment
  RSA629033  Convolvulus arvensis Scott D. White 1998-6-28 6787 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UCR91470  Convolvulus arvensis Scott D. White, M. Jacobsmeyer 1996-4-20 3974 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR93031  Conyza coulteri Steve Boyd, D. L. Banks 1994-9-29 8367 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  POM13739  Corallorhiza maculata E. C. Jaeger 1921-7-6 1162 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR146125  Cordylanthus nevinii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1453 Riverside Peninsular Ranges; San Jacinto Mountains, Northeast of South Ridge trailhead, east of Idyllwild 2012 Comment
  UC729816  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-4 3917 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA689565  Coreopsis bigelovii Scott D. White, Michael Honer 2003-4-25 9119 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR237684  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4692 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  POM6544  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2388 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA0039599  Coreopsis californica var. californica Deidre Conocchioli, Duncan S. Bell 2014-3-4 143 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  UC64841  Corethrogyne filaginifolia E. A. Zumbro 1904-1-1 427 Riverside Cold Water Canyon Santa Ana Mts. Comment
  UCD130861  Corethrogyne filaginifolia R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  SDSU13703  Corethrogyne filaginifolia var. filaginifolia James C. Dice, J. D. Tenhunen 1987-9-9 723 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northwest 1/4 of northwest 1/4 of section 35. 378 Comment
  SEINET3071319  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  SDSU12244  Cotula australis Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 4 Riverside Comment
  RSA523528  Crassula connata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR119813  Crassula tillaea A. C. Sanders, T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC129846  Crocanthemum scoparium var. vulgare Charlotte M. Wilder May 1908 892 Riverside Wilders' Jurupa Hills Comment
  RSA13753  Crossosoma bigelovii E. C. Jaeger 1921-04 s.n. Riverside Martinez Canyon [east slope, Santa Rosa Mtns. -SW] Comment
  UCR602  Crossosoma bigelovii S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  LA211610  Croton californicus Mark A. Elvin; 1998-5-12 857 Riverside Along Santa Ana River between Colton and Riverside. 271.0 Comment
  RSA184046  Croton californicus var. mohavensis I. L. Wiggins 1966-11-22 20461 Riverside Along Highway 60 about 1.5 mi. SE of garnet Hill. Comment
  RSA480571  Croton californicus var. mohavensis G. R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
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Nov 11 2011
  SDSU13010  Croton setiger Michael G. Simpson 1999-10-27 2055 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  RSA89903  Crypsis vaginiflora J. C. Roos 1952-6-4 5735 Riverside San Jacinto River bottomland 1.5 miles SE of Perris. 427 Comment
  SEINET6971881  Cryptantha W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA799816  Cryptantha angustifolia D. M. Ray 2011-3-5 14 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG53356  Cryptantha angustifolia J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UC280441  Cryptantha angustifolia E. E. Schellenger 1920-5-1 Riverside e of Mecca (Hayfields); Colorado Desert Comment
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Jun 18 2011
  UCR164064  Cryptantha angustifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29146 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR196109  Cryptantha angustifolia Jim Andre, T. La Doux 2006-4-11 8141 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  POM368288  Cryptantha barbigera Robert Gustafson 1983-3-27 2487 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  UCR132648  Cryptantha barbigera var. fergusoniae N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 180 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR279374  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-24 42952 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SEINET3828404  Cryptantha inaequata Dave Silverman 2010-1 7825 Riverside South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10. Comment
  UC604898  Cryptantha intermedia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9665 Riverside foot of grade, State Highway 74, along San Jacinto River San Jacinto River Comment
  UC857162  Cryptantha intermedia Mary F. Spencer 1922-4-23 2087 Riverside Banning Millard Canyon 716 Comment
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Mar 13 2011
  UCD119858  Cryptantha intermedia R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, between Hemet and Idyllwild. Comment
  UCR162925  Cryptantha intermedia B. G. Pitzer, Stu Hemstreet 1992-5-21 1935 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA0070998  Cryptantha intermedia Steve Boyd, K. Boyd, R. Noyes, L. Arnseth, C. Boyd 1988-5-28 2291 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 0.5 mi S of saddle. 1500 Comment
  RSA0076112  Cryptantha intermedia J. D. Olmsted 1962-5-2 3446 Riverside By saddle just north of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  UCR268582  Cryptantha intermedia var. intermedia Jim Andre 2012-6-15 30492 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR72197  Cryptantha maritima Theo Glenn 1992-3-31 92 4 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA692256  Cryptantha micrantha Scott D. White, Michael Honer 2003-4-25 9124 Riverside San Bernardino Mtns.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of raod, on alluvial fan adjcent steep east-facing mountain slope. 610 Comment
  UC1241172  Cryptantha micrantha Peter H. Raven 1959-5-18 14241 Riverside Lake Fulmor Comment
  POM13001  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1921-5-19 5421 Riverside Keen Camp, San Jacinto Mtns. 1524 Comment
  RSA499651  Cryptantha micrantha var. lepida Christopher Davidson 1975-6-16 2819 Riverside 2 miles N of Alandale station on road R1 from Idyllwild to Banning. 1646 Comment
  UCR139929  Cryptantha micrantha var. lepida Scott D. White 1997-5-18 5180 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  SD136881  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Santa Ana Mountains: San Mateo Canyon Wilderness Area. Western flank of Bluewater canyon along Bluewater Trail 340 Comment
  UCR120900  Cryptantha microstachys A. C. Sanders, D. Malueg 2002-4-8 24909 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UC1168726  Cryptantha muricata Peter H. Raven 1958-5-18 12978 Riverside 3.0 mi e junction of road to Aguanga (State Highway 74); San Jacinto Mountains Comment
  UCR262451  Cryptantha muricata John F. Green 2015-6-23 615- 05 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  UCR275935  Cryptantha muricata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3779 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR68609  Cryptantha muricata Steve Boyd, D. E. Bramlet 1990-4-29 4477 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  RSA703398  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR38134  Cryptantha pterocarya var. cycloptera J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UCR89668  Cryptantha racemosa Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  RSA80960  Cryptantha utahensis G. R. Campbell 1952-4-6 18409 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 975 Comment
  UCR85189  Cryptantha utahensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16178 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  UCR252229  Cucurbita foetidissima Marissa Manahan 2011-5-28 s.n. Riverside Box Springs Mtns., Riverside 462 Comment
  CDA30995  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Drive at Jamawag Road, north of Leon Road. Comment
  SD187394  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., north of Leon Rd. 550 Comment
  UC1922065  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., N of Leon Rd. Comment
  CAS-BOT-BC224601  Cuscuta californica var. papillosa H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  UCR272458  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 712- 05 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  SEINET4604333 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio 760 Comment
  UCR41561  Cylindropuntia bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6148 Riverside Sonoran (Colorado) Desert, Arroyo Seco, along Bradshaw Rd., 5.2 mi west of Graham Pass Rd., south side of the Chuckwalla Mtns. 640 Comment
  SEINET9037429 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18399 Riverside San Gorgonio River, 2km south of Cabazon, 2.6km NNW of Hurley Flat, 26km WNW of central Palm Springs 510 Comment
  RSA0112088  Cylindropuntia ramosissima Duncan S. Bell 2010-2-21 551 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  UCR88168  Cyperus acuminatus Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  VVC698  Cyperus eragrostis P. J. MacKay, T. Thomas, A. C. Sanders 1997-2-8 97 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  OBI68606  Cyperus rotundus K. E. Hoffmaster Jul-58 s.n. Riverside Indio Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA5901  Cystopteris fragilis C. B. Wolf 1932-8-5 3974 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UCR71765  Dactyloctenium aegyptium L. F. LaPre, Megan Phillips 1991-9-9 91- 17 Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  CSUSB1203  Dalea californica Margaret-Lee Dean 1965-4-15 Riverside 1 mile west of Indian Ave. on highway 60, north of Palm Springs. 213 Comment
  PASA1840  Dalea californica R. Peirce 1966-5-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  CLARK-A1703-1200  Dalea emoryi Charlotte Stocks 1962-6-25 Riverside Indio Comment
  RSA404181  Dalea mollis A. Menke 1955-4-26 s.n Riverside Indian Wells Comment
  SFV17535  Dalea mollis R. Moss Apr 1998 s. n. Riverside Mojave Desert Mecca Hills Wilderness Area (BLM) north of Salton Sea near Shavers Well. 500 Comment
  UCR138565  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA336192  Dalea mollissima R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52043 Riverside Just E of Palm Desert. Comment
  JOTR32424  Dasyochloa pulchella Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 13 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  RSA566433  Datisca glomerata Peter L. Morrell, Stan C. Spencer 1993-5-28 244 Riverside on bank of San Gorgonio River, approx 4.25 air mi. N of gate at entrance to Banning Canyon 1600 Comment
  RSA421894  Datura wrightii Jeannette B. Edge 1934-3-25 18930 Riverside Jurupa Mts. 366 Comment
  UCR115998  Datura wrightii A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23316 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
  UCR274801  Datura wrightii Aaron C. Sedgwick, David Fraker 2012-3-28 039 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCSB8594  Datura wrightii Hawkins, L. 1956-4-14 Riverside south of Joshua Tree National Monument on Route 60 Comment
  UCD127426  Daucus pusillus T. B. Salvato; Kent Beaman 2005-5-16 772 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 167 Comment
  UCR135825  Daucus pusillus A. C. Sanders 2004-4-20 27520 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
  UCR174081  Daucus pusillus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32542 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UC1792831  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 475 Comment
  UCR256518  Deinandra paniculata R. E. Riefner Jr. 2013-4-21 13- 68 Riverside City of Riverside, Moreno Valley, west of Box Springs Mountains, east of 215 Fwy, general vicinity of Morton Ave. and Box Springs Ave. 482 Comment
  JEPS86542  Delphinium cardinale Roy E. Buck 1988-5-28 910 Riverside e-facing slope above CA Hwy 74 near top of grade W of Lake Elsinore (ca 2.0 air km nw of confluence of Harlan Canyon and Johnson Canyon drainages, 7 air km w of Lake Elsinore (town)); Elsinore Mountains 780 Comment
  RSA0120312  Delphinium cardinale Duncan S. Bell 2016-4-16 9315 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR16947  Delphinium parishii D. H. Wilken 1966-3-26 770 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  SEINET13709266  Delphinium parishii J. Adams, J. Adams (Botany) 1966-1 725 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  UCR110998  Delphinium parishii subsp. parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA0020481  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  RSA784840  Delphinium parryi J. D. Olmsted 1962-5-2 3461 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  UCD96283  Delphinium parryi R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR213831  Delphinium parryi Scott D. White, Justin M. Wood 2009-5-21 12846 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  RSA0029697  Delphinium parryi subsp. maritimum D. L. Banks, Victor W. Steinmann 1997-3-13 1428 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
  RSA585725  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 396 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
  CLARK-A1528-1355  Dendromecon rigida Robin Kobaly 1972-5-13 RLK 720513 Riverside San Jacinto Mountains 1219 Comment
  UCSB18089  Dendromecon rigida Flath, Carol 1963-5-4 Riverside Banning-Idlewild Road, 4 miles S of Banning, San Jacinto Mountains 1158 Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA262099  Dendromecon rigida subsp. rigida E. W. Lathrop 1971-3-24 7468 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  CAS-BOT-BC227229  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA697471  Descurainia pinnata Mary Edmunds 1932-3-26 s.n. Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  CAS-BOT-BC43354  Descurainia pinnata subsp. glabra Ivan Johnston 1070 Riverside Palms Canyon. 274 Comment
  RSA433553  Dicentra chrysantha M. M. Thompson 1947-6-19 c- 2082 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SEINET3208887  Dicentra chrysantha G. Goodwin 2012-6-14 3442 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UC9924  Dicentra chrysantha Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  SEINET272343 Image available Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) E of Skinner Lakeat NW end of Tucalota Hills 549 Comment
  UCR155058  Dichelostemma capitatum Jason L. Hlebakos 2005-5-30 814 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR160689  Dichelostemma capitatum John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  SEINET12045058  Dichelostemma capitatum N. C. Cooper 1944-1 1002 Riverside Cabazon 457 Comment
  RSA501045A  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292187  Dicoria canescens M. E. Jones 1933-12-29 s.n. Riverside Cabazon Comment
  CAS-BOT-BC291031  Dimorphotheca sinuata Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  SEINET3829010  Diplachne fusca var. uninervia Malcolm A. Nobs, S. Galen Smith 1948-1 494 Riverside Citrus grove, 2 miles north of Indio. Comment
  CAS-BOT-BC150938  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC150676  Diplacus longiflorus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SD25160  Diplacus longiflorus Frank F. Gander 1939-5-14 7499 Riverside Banning Comment
  PASA103  Diplacus puniceus Margaret Stason 1931-3-30 Riverside Near Pala Comment
  UCR126932  Distichlis spicata Julie A. Greene, James C. Dice 1993-6-25 1380 Riverside San Jacinto Valley, San Jacinto Wildlife Area, sloping drainage from Davis Road 436 Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  RSA23223  Ditaxis lanceolata Ernest Braunton 1940-4-3 2015 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  IRVC28831  Ditaxis neomexicana Mark A. Elvin 2005-4-26 4228 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  RSA776244  Ditaxis neomexicana Duncan S. Bell 2010-3-20 595 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET1109560  Ditaxis neomexicana George K. Helmkamp 1998-1 3180 Riverside Sonoran (Colorado) Desert: 2.3 mi. N of Hwy I-10 on nEagle Mtn Rd. 274 Comment
  RSA278953  Ditaxis serrata B. A. Prigge, L. Martinez 1978-3-23 s.n. Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of north Palm Springs on Dillon Rd. 274 Comment
  RSA426  Ditaxis serrata J. T. Howell 1927-8-1 528 Riverside Morongo Pass, Northern Colorado Desert 457 Comment
  RSA70430  Ditaxis serrata F. W. Peirson 1932-12-28 s.n. Riverside Andreas Canyon, near Palm Springs 244 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  UCR33696  Ditaxis serrata Sears 1977-10-10 S 518 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  UC118026  Dithyrea californica S. B. Parish 1881-3-1 15 Riverside Whitewater Colorado Comment
  SEINET10871645  Dodecahema leptoceras James L. Reveal 1988-1 Riverside Comment
  UCR2902  Dodecatheon clevelandii Paul W. White 1963-4-30 43063- 01 Riverside Murrieta 2 miles out [west] of Murrieta on Tenaja Road 549 Comment
  PASA303  Downingia immaculata Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 380 Comment
  RSA0006633  Draba saxosa Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  UCR201437  Dudleya abramsii subsp. abramsii Scott D. White, Justin M. Wood 2008-6-17 12192 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
Read comments
May 21 2011
  UC1015383  Dudleya alainae Reid Moran 1947-5-10 2182 Riverside 1.5 mi from Hwy (Santa Rosa Rd) 1676 Comment
  SD206994  Dudleya aloides Reid Moran 1947-5-10 2183 Riverside Andreas Palm Canyon; south of Palm Springs. Comment
  CAS-BOT-BC411417  Dudleya lanceolata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA590724  Dudleya multicaulis R. E. Riefner 1996-5-16 96 -72 Riverside East side of Temescal Wash, community of El Cerrito Comment
Read comments
Jul 13 2010
  UCR34873  Dyssodia pentachaeta L. B. Ziegler 1966-6-15 060 Riverside San Jacinto Mountains, Pinyon Flats, N end on S slope of small hill c. 0.25 mi from old loading corral. 1250 Comment
  POM182210  Dyssodia porophylloides P. A. Munz 1932-4-24 12395 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UCR14557  Dyssodia porophylloides A. C. Sanders 1974-5-12 0100 Riverside Santa Rosa Mtns., San Bernardino National Forest, Cactus Spring Trail between Pinyon Flats and Horsethief Creek 1159 Comment
  RSA303549  Echinocereus mojavensis J. R. Shevock 1971-5-8 1040 Riverside Near Skull Cap, Joshua Tree National Monument. 1372 Comment
  CLARK-A1528-55  Echinochloa crus-galli var. frumentacea Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCSB6995  Ehrendorferia ochroleuca Lloyd, Robert 1959-4-17 Riverside 3 mi. south of West Corona on the Oak Flat Fire Road, Santa Ana Mtn. range 335 Comment
  RSA286805  Elatine californica R. F. Thorne 1974-5-23 44673 Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California: N edge of large vernal marsh, Mesa de Colorado 624 Comment
  UCR125472  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  JOTR28758  Eleocharis macrostachya La Doux, Tasha 2003-9-4 1038 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
  UC1832  Eleocharis macrostachya A. J. McClatchie Apr 1892 23 Riverside near Elsinore Comment
  UCR111781  Eleocharis montevidensis Mitch Provance 1999-5-4 1707 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR59673  Eleocharis montevidensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3548 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  CAS-BOT-BC113304  Eleocharis parishii W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs Comment
  SDSU14006  Eleocharis parishii Jonathan S. Austin, Michael G. Simpson 2002-4-20 21 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UCR111564  Eleocharis parishii Mitch Provance 1999-5-4 1683 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR266806  Eleocharis parishii Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 12 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR125276  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR2356  Elymus condensatus F. M. Reed 1905-6-4 769 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Roadside near Chinatown Ford. [Near where Arroyo Tequesquite joins the Santa Ana River] 236 Comment
  UCR133109  Elymus elongatus 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
  CAS-BOT-BC206526  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  POM122850  Elymus glaucus subsp. glaucus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR2106  Elymus trachycaulus F. M. Reed 1928-7-10 5983 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  RSA401444A  Emmenanthe penduliflora R. Sayre 1981-5-9 64 Riverside Pierson Blud & Little Morongo Road. Comment
  UCR272438  Emmenanthe penduliflora var. penduliflora Cheryl Sevilla, Sarah J. De Groot 2015-3-18 038 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
  JOTR31161  Encelia actoni La Doux, Tasha 2009-6-3 1868 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  UC219584  Encelia actoni P. A. Munz 1922-7-3 5961 Riverside road from Santa Rosa to Vandeventer; Santa Rosa Mts. 1676 Comment
  UC456075  Encelia actoni I. J. Condit 1910-6-24 Riverside road to Strawberry valley; San Jacinto River Canyon Comment
  UCD131194  Encelia actoni Scott D. White; Angelina Carey 2004-9-16 10751 Riverside San Jacinto Mountain: along Poppet Creek NE of San Jacinto River. 561 Comment
  UCR21904  Encelia californica Steve Boyd 1980-5-11 253 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC131317  Encelia farinosa Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC131333  Encelia farinosa L. Street 1917-5-15 s.n. Riverside Elsinore Comment
  POM289849  Encelia farinosa var. farinosa Lyman Benson 1933-3-31 4157 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto. 305 Comment
  POM41497  Encelia farinosa var. farinosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  POM4943  Encelia farinosa var. farinosa L. T. Street 1917-5-15 s.n. Riverside Elsinore. Comment
  UCSB70499  Encelia virginensis Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) South on Highway 74 from junction with Highway 111 at Indian Wells; Whittaker transect #W-220 950 Comment
  CHSC99338  Ephedra aspera LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 a Riverside Colorado Desert; Chocolate-Chuckwalla Mountains Region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 37' 32'N, 115 19' 35'W: UTM 3721895N, 655238E Elevation 1574 feet to 33 36' 52'N, 115 19' 54'W: UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottom and slopes. 514 Comment
  NY70784  Ephedra aspera C. L. Hitchcock 1966-3-16 24204 Riverside Along Palms to Pines Highway, 7 miles south of Palm Desert Comment
  SEINET3111912  Ephedra aspera Sears 1977-10-12 S-- 578 Riverside Corn Spring; Desert Palm Oasis. 549 Comment
  CAS-BOT-BC81549  Ephedra californica Munz; Street; Williams 1919-3-25 2310 Riverside [Whitewater] White Water 304 Comment
  POM310156  Ephedra californica Hulda Crooks 1946-3-2 263 Riverside Palm Springs area. 139 Comment
  UCR177857  Ephedra californica Marisa Sripracha, K. A. Boyd 2004-3-21 045 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR72190  Ephedra californica Theo Glenn 1991-5-2 91- 123 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  LA6785  Ephedra nevadensis H. Lewis; 1939-12-31 1163 Riverside near Desert Center Comment
  NY70344  Ephedra nevadensis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs, Colorado Desert Comment
  NY70649  Ephedra torreyana R. S. Ferris 1958-3-19 13264 Riverside 2.1 miles south of Rice on road to Midland and Blythe Comment
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Jun 2 2012
  RSA674655  Epilobium brachycarpum Scott D. White 2000-8-22 8121 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA588412  Epilobium canum subsp. canum M. M. Thompson 1947-8-23 C- 2052 Riverside Los Alamos canyon, Elsinore Mountains. 762 Comment
  OBI35626  Epilobium canum subsp. latifolium Louis B. Ziegler 1964-8-20 10 Riverside San Jacinto Mts-Old kenworthy district 1433 Comment
  RSA162774  Epilobium oregonense J. D. Olmsted 1959-7-1 713 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
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Jun 21 2008
  UC454597  Epilobium oregonense I. J. Condit 1910-6-21 Riverside Tahquitz camp San Jacinto Mts (in meadow) 2438 Comment
  POM9736  Equisetum hyemale var. affine E. C. Jaeger 1921-6-18 s.n. Riverside Tahquitz Creek. San Jacinto Mountains 2134 Comment
  RSA0121452  Equisetum laevigatum Duncan S. Bell, LeRoy Gross 2016-3-30 9131 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA741435  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-6-18 12250 Riverside Meadow N/W of Keen Camp Summit, SW of hwy 79. 1402 Comment
  SDSU13549  Equisetum laevigatum W. Miller, C. Mosse 1972-7-13 Riverside 100 yards west of M.W.D. station. Comment
  UCR156276  Eragrostis T. B. Salvato, Kent Beaman 2005-5-16 852 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
  UCR265591  Eragrostis cilianensis Jordan Zylstra 2014-7-6 14017 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  SBBG56820  Eragrostis mexicana M. N. Ackley 1928-3-25 Riverside near Edom 64 Comment
  OBI12406  Eremalche exilis Robert F. Hoover 1969-4-14 11235 Riverside Palm Springs, just S of S city limit Comment
  SEINET8364404  Eremogone macradenia D. W. McNeal 1981-5-19 2543 Riverside beside the Ryan Mtn. trail ca. 0.3 mi. s. of the trail head parking lot; Joshua Tree National Monument. Comment
  CAS-BOT-BC160059  Eremothera boothii subsp. condensata John H. Thomas 1957-3-30 6543 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  RSA0126636  Eremothera refracta Duncan S. Bell 2016-3-4 8801 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SD229215  Eriastrum densifolium subsp. austromontanum Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 641 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  CSUSB1768  Eriastrum eremicum Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  UC52833  Eriastrum eremicum subsp. eremicum H. M. Hall June, 1901 2119 Riverside e base of mts. San Jacinto Mountains (along borders of Colorado Desert) Comment
  CAS-BOT-BC514451  Eriastrum eremicum subsp. eremicum H. M. Hall 1901-6-1 2119 Riverside San Jacinto Mountains: eastern base, along the borders of the Colorado Desert Comment
  CAS-BOT-BC514460  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mts.: Snow Creek Canyon, 1 mi below fish hatchery 396 Comment
  RSA0043243  Eriastrum eremicum subsp. eremicum Michael Honer, L. Hulse 2004-4-2 1870 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  RSA0120075  Eriastrum eremicum subsp. eremicum Gene Ronald 1953-5-21 s.n. Riverside Palm Springs, Indian St. & Ramon. Comment
  RSA0020092  Eriastrum harwoodii J. Andre 2013-3-27 24794 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  SD249590  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA0121593  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1991-6-14 6389 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
  RSA702553  Ericameria brachylepis Scott D. White 2004-10-8 10774 Riverside Black Hills, southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  SD128372  Ericameria linearifolia R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2065 Riverside Slopes along Coyote Canyon Road, Terwilliger Valley. 900 Comment
  SD30745  Ericameria linearifolia Edith A. Purer 1935-4-21 6445 Riverside Pine Valley, Pines and Palms Highway. Comment
  SD73613  Ericameria linearifolia Helen V. Witham 1970-5-1 865 Riverside 5 miles south of Highway 74; Bautista Canyon, southeast of Hemet. 1000 Comment
Read comments
Apr 29 2011
  UCR243161  Ericameria linearifolia LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4298 Riverside Transverse Ranges; San Bernardino Mountains, 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
  POM351940  Ericameria nauseosa var. bernardina A. J. Gredell 1915-07 s.n. Riverside San Bernardino Mts. Comment
  CAS-BOT-BC299534  Ericameria paniculata M. McCollum 1976-6-10 2010 Riverside 8 mi. SSW of Yucca Valley, Little Morongo Canyon 914 Comment
  POM359452  Ericameria parishii Albert J. Perkins 1916-9-15 s.n. Riverside Summit, Tahquitz Peak. Comment
  RSA655046  Erigeron foliosus Scott D. White 1999-6-6 7439 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA761982  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 691 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCD131907  Erigeron foliosus R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR159251  Erigeron foliosus A. C. Sanders, Kelly Volansky 2005-8-31 31571 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
  CAS-BOT-BC296233  Erigeron foliosus var. foliosus Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage of Hemet 762 Comment
  POM14970  Erigeron foliosus var. foliosus Mary F. Spencer 1922-6-29 1274 Riverside Brooks Camp, San Jacinto Mt. 1219 Comment
  POM157944  Erigeron foliosus var. foliosus P. A. Munz 1927-5-20 10824 Riverside 10 miles S. of Hemet. Comment
  SEINET238580  Erigeron foliosus var. foliosus Scott D. White 1997-5-25 5248 B Riverside Hills S of Patton Ave. and W of Winchester Rd. ca 2 air miles SW of jtn. Winchester Rd./ Simpson Ave. 457 Comment
  CAS-BOT-BC282996  Eriochloa lemmonii Malcom A. Nobs; S. Galen Smith 1948-9-3 495 Riverside 2 miles north of Indio Comment
  RSA16504A  Eriodictyon crassifolium Percy C. Everett 1935-6-17 7154 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  SJSU3147  Eriodictyon crassifolium J. W. Tofflemire 1957-4-18 27 Riverside by Bautista Canyon Rd 6 mi SE of Hemet 762 Comment
  UCR121135  Eriodictyon crassifolium June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  UCR156084  Eriodictyon crassifolium T. B. Salvato, Kent Beaman 2005-5-16 806 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
  RSA455092  Eriodictyon trichocalyx H. de Forest, Jack Rempel 1934-4-14 14 Riverside San Gorgonio Pass. 602 Comment
  RSA0106413  Eriodictyon trichocalyx subsp. trichocalyx Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed above Market St. Bridge. Comment
  RSA0065642  Eriodictyon trichocalyx var. trichocalyx Cheryl Sevilla, Sarah J. De Groot 2015-3-17 36 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; in the Whitewater river drainage 0.38 air miles northwest of the Whitewater Preserve Ranger Station. 687 Comment
  SEINET6894776  Eriogonum W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA393051  Eriogonum apiculatum N. R. Zabriskie, Walter M. Zabriskie 1969-9-20 234 Riverside Forest Service road to Deer Springs Trail beyond end of road up west bank Strawberry Creek, above Fern Valley Corners, Idyllwild 1982 Comment
  SBBG61841  Eriogonum apiculatum R. Hoffmann 1929-9-5 Riverside Strawberry Valley 2133 Comment
  SEINET6328739  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  UC2030003  Eriogonum apiculatum Louis C. Wheeler 1945-10-7 6412 Riverside SAN GABRIEL MOUNTAINS: divide between West Fork Snow Creek and North Fork San Jacinto River. Comment
  UCSB37854  Eriogonum apiculatum Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 2072 Comment
  UCR56075  Eriogonum austrinum G. F. Pratt 1988-12-31 s.n. Riverside Sonoran (Colorado) Desert, Granite Mountains, south of Rice 915 Comment
  JOTR37478  Eriogonum baileyi var. baileyi Hodges, Stephen, T. Green 2016-5-5 599 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  JEPS56714  Eriogonum davidsonii Marjorie D. Clary 1932-4-29 Riverside 15 mi n Indio (Dead Indian Trail); Colorado Desert 243 Comment
  RSA593376  Eriogonum davidsonii Scott D. White 1996-7-23 4356 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  UCR175171  Eriogonum davidsonii Jim Andre 2006-4-26 6770 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  RSA413256  Eriogonum elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 kilometers NNW of Royal Oak Ranch. 380 Comment
  SD229228  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-8-7 790 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA0005004  Eriogonum fasciculatum var. flavoviride P. A. Munz 1921-4-30 4505 Riverside Pinyon Wells 1220 Comment
  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
  JOTR31139  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  SBBG62072  Eriogonum fasciculatum var. polifolium P. A. Munz 1927-5-21 10880 Riverside 10 mi SW of Cahuilla 1371 Comment
  RSA632460  Eriogonum gracile var. gracile Scott D. White 1999-5-28 7434 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  SDSU13671  Eriogonum gracile var. gracile W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UCR106914  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  UCR92266  Eriogonum gracile var. gracile Scott D. White, M. A. Patten 1995-8-16 3542 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  JEPS121577  Eriogonum inflatum Adam C. Schneider with Will Freyman 2014-2-16 410 Riverside East side of Highway 177. Comment
  UC635000  Eriogonum inflatum var. inflatum H. L. Mason 1928-3-10 4230 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  CAS-BOT-BC263118  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  RSA25324  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA487226  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6613 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 Comment
  UCR242663  Eriogonum molestum A. C. Sanders 2013-7-6 40852 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  JOTR32416  Eriogonum nidularium Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 7 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  LA206958  Eriogonum nudum var. pauciflorum Louis C. Wheeler; 1931-10-4 219 Riverside San Jacinto Mountains, Hemet-Idyllwild Road Comment
  RSA160411  Eriogonum parishii J. D. Olmsted 1959-9-23 1001 Riverside N Fork San Jacinto River drainage area: Flat on NW side of Idyllwild Banning Rd. halfway up grade south of Dark Canyon Creek crossing 1799 Comment
  SD95171  Eriogonum pusillum Anne Harrison 1962-4-17 32 Riverside south side of State Highway 74, near Toro Peak Comment
  UC667356  Eriogonum pusillum Annie M. Alexander and Louise Kellogg 1941-5-15 2189 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  UCR188790  Eriogonum pusillum Jim Andre 2006-4-26 7797 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom c.1 mi north of Rattlesnake Spring 1321 Comment
  POM14064  Eriogonum thomasii P. A. Munz, D. D. Keck 1922-4-9 4869 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA314676  Eriogonum thomasii Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55503 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 Comment
  UC68572  Eriogonum thomasii H. M. Hall Apr. 1905 5899 Riverside Chuckwalla Spring Colorado Desert, Chuckwalla Spring Comment
  UCR16512  Eriogonum thomasii David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  CHSC110677  Eriogonum thurberi Dean Wm. Taylor 2003-5-6 18517 Riverside Wash of the San Gorgonia River ca. 1 miles south of the intersection of Highway 111 with Interstate 10. 365 Comment
  UC1595607  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside e Dorland Mt. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  UCD101296  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3681 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent sedimentary hills to E. 487 Comment
  CAS-BOT-BC263595  Eriogonum trichopes Roxana S. Ferris 1918-6-14 972 Riverside Near Indian Wells Comment
  UCD70599  Eriogonum trichopes Elizabeth Milauskas 1994-5-7 15 Riverside Palm Springs, 4 blocks W of Via Monte Vista (behind dam) on Agua Caliente Indian Reservation in a desert wash; full sun; dominant Larrea divaricata; annual herb on sandy/gravelly dry soil among shrubs, common, ht. 5cm, fls yellow. 158 Comment
  UCR102942  Eriogonum trichopes var. trichopes George K. Helmkamp 1998-4-4 3142 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  LA207113  Eriogonum wrightii var. membranaceum F. H. Lewis; 1939-11-22 1026 Riverside 1523 Comment
  UCR35084  Eriogonum wrightii var. membranaceum L. B. Ziegler 1964-8-25 14 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  RSA314395  Eriogonum wrightii var. nodosum Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55406 Riverside San Bernardino Mountains: Side-canyon on east side of Whitewater Canyon, about 3.3 miles north of Whitewater Post Office (One-Palm Oasis Canyon). 595 Comment
  CAS-BOT-BC298484  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs, Colorado Desert 150 Comment
  CAS-BOT-BC297346  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta, S of the Hogbacks. N of Hunter Rd to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Rd on the W 402 Comment
  UCR177115  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1107 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR213521  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38363 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR21976  Eriophyllum confertiflorum Steve Boyd 1980-5-5 208 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  LA203532  Eriophyllum confertiflorum var. confertiflorum Elizabeth McClintock; 1940-5-19 sn Riverside about 0.25 mi. from Pines to Palms Highway, on Santa Rosa Mt. Road Comment
  POM358079  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Temescal Canyon. 274 Comment
  RSA12919  Eriophyllum multicaule C. B. Wolf 1935-4-7 6309 Riverside 2 mi. SW of Perris. 427 Comment
  UC217984  Eriophyllum multicaule P. A. Munz and I. M. Johnston 1922-5-19 5345 Riverside 5 mi ne of Murrietta 411 Comment
  CAS-BOT-BC296927  Eriophyllum wallacei Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JOTR31081  Eriophyllum wallacei La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2344 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  SD143858  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont: Near railroad on east side of Highway 79, south of I-10. 793 Comment
  UCR105429  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 Comment
  SBBG120008  Erodium brachycarpum A. C. Sanders with M. Misenhelter 2005-3-23 29247 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  NY43318  Erodium cicutarium C. R. Annable 1995-3-16 2288 Riverside 4km W of Chiriaco Summit, 0.8km N of I-10 Comment
  SBBG3904  Erodium cicutarium C. H. Muller 1952-4-5 9490 Riverside White Water Cyn, 1 mi above White Water Comment
  UCR140304  Erodium moschatum A. C. Sanders, Guy Bruyea 2004-4-2 27415 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
  UCR217546  Eryngium aristulatum var. parishii Diane Menuz 2009-5-14 496 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  UCR164929  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 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
  SEINET247325  Erysimum capitatum var. capitatum Noel H. Holmgren, Liew Fah Seong 1969-6-17 3581 Riverside San Jacinto Mountains; Black Mountain, campground at the turnoff to a lookout tower. Comment
  RSA0020247  Erythranthe floribunda Mary F. Spencer 1921-6-15 1673 Riverside Idyllwild. 1616 Comment
  RSA0019314  Erythranthe guttata Peter H. Raven 1958-5-17 12944 Riverside 7.4 mi south-east of Banning on road to Idyllwild. Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 Comment
  UC56236  Eschscholzia californica H. M. Hall Apr. 1903 3849 Riverside Moreno Valley Comment
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Mar 20 2011
  RSA614396  Eschscholzia californica subsp. californica D. L. Banks, Victor W. Steinmann 1997-3-13 1530 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  LA46282  Eschscholzia minutiflora H. Lewis; 1949-3-26 2222 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  RSA115911  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon. Comment
  SEINET3094862 Image available Eschscholzia minutiflora Norman C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  UCD105364  Eschscholzia minutiflora Geoffrey Levin 1976-3-27 694 Riverside Chino Canyon, west of Palm Springs. Alluvial fan of San Jacinto Mts. 396 Comment
  UCD110529  Eschscholzia papastillii Shannon M. Still 2009-2-21 435 -B Riverside California. Riverside County. 168 Comment
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Sep 2 2017
  UCD95448  Eschscholzia papastillii John Wear 1995-3-22 s.n. Riverside Colorado Desert; wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  UCD96493  Eschscholzia papastillii Shannon M. Still 2009-2-21 436 Riverside California. Riverside County. 167 Comment
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Sep 2 2017
  UCR279598  Eschscholzia parishii A. C. Sanders, Jim Malusa 2017-3-28 43165 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA718872  Eschscholzia parishii Michael Honer, L. Hulse 2005-3-7 2033 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  SEINET272340  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19900 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  RSA612503  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-2-17 1270 Riverside NW Palomar Mountains, Agua Tibia Mountains: Burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  RSA735923  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  SD137734  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail. 609 Comment
  UCR84886  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16230 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
  POM261028  Eucrypta micrantha E. C. Jaeger 1941-3-23 s.n. Riverside 13 miles W of Rice. 518 Comment
  CAS-BOT-BC202782  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 s.n. Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UCR163393  Euphorbia abramsiana B. G. Pitzer, G. R. Ballmer 2000-10-14 4219 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  UCR240267  Euphorbia abramsiana Neal Kramer, Wendy McBride 2012-9-3 2068 Riverside Sonoran (Colorado) Desert, south side of Power Line Rd c. 2.75 miles east of Wily's Well Rd and 1.65 miles south of I-10 Fwy 129 Comment
  SEINET4691939  Euphorbia micromera Duncan S. Bell 2012-1 4175 Riverside Rice Valley; east side of the Arica Mountians; approx 6 air miles southeast of the ghost town of Rice and Approx. 5.5 air miles east of Priests Well 202 Comment
  UCR233944  Euphorbia micromera Duncan S. Bell 2011-10-22 3000 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR107449  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3360 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR245914  Euphorbia polycarpa Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3952 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA675734  Euphorbia supina Scott D. White 2001-6-22 8599 Riverside Corona: Bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 381 Comment
  UCR82925  Eustoma exaltatum A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15811 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET955801  Fabaceae F. A. Thackery 1927-1 a- 275 Riverside Banning, heights Comment
  CAS-BOT-BC167364  Fagonia laevis J. C. Roos 1966-3-26 s.n. Riverside 2 miles S.E. of Desert Center Comment
  RSA336189  Fagonia laevis Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52046 Riverside Just E of Palm Desert. Comment
  SEINET885157  Fagonia laevis A. C. Sanders, Pitzer, Charlton, Kniffen 1986-1 6100 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky to the south. 487 Comment
  UC963827  Fagonia laevis Helen K. Sharsmith 1952-4-11 4062 Riverside nw base Chuckwalla Mountains (7 mi s of Highway 60-70); Colorado Desert 533 Comment
  UCSB41347  Fagonia laevis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd 7 miles southwest of junction with Chuckwalla Rd. 457 Comment
  SD247521  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Deert; Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Iris Pass 7.5'Q) 673 Comment
  UCR139982  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  SEINET10553063  Festuca arundinacea Boyd 1993-5-12 BOYD 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, T7S R5W W 1/4 NW 1/4 sec. 22, SE 1/4 sec. 21, center 1/3 N 1/2 sec. 28. Mosaic of Adenostoma fasciculatum - Ceanothus crassifolius chaparral and Eriogonum fasciculatum - Artemisia californica coastal sage scrub on slopesm, Quercus agrifolia woodland on benches and riparian woodland of Platanus racemosa, Fraxinus velutina, Salix lasiolepis, & Baccharis salicifolia along active stream channel. 366 Comment
  CLARK-A1528-4663  Festuca octoflora John C. Roos 1952-4-9 5483 Riverside Riverside 259 Comment
  UCR252614  Festuca octoflora T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-27 7456 Riverside Perris-Aguanga Basin, Menifee, along Murrieta Road between Newport Road and La Piedra Road 457 Comment
  RSA519123  Filago californica N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 175 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N ft of the San Jacinto Mountains, 1 mi W of Snow Creek Village. 488 Comment
  SEINET7048181  Filago californica Steven R. Hill 2001-5-3 33690 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CLARK-A1528-1843  Filago depressa John C. Roos 1952-4-23 5580 Riverside Box Springs Mountain 457 Comment
  UCR51950  Filago depressa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2108 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SEINET235177  Filago gallica A. C. Sanders 1997-4-10 20316 Riverside Tucalota Hills E of Lake Skinner (Bachelor MTn. 7.5' Q.). 701 Comment
  RSA113276  Forestiera pubescens E. K. Balls 1955-4-1 20412 Riverside Head of Palm Canyon, Hwy 74, from S end of San Jacinto Mts to Palm Springs. 1250 Comment
  RSA113900  Forestiera pubescens G. R. Campbell 1955-12-6 21504 Riverside S Tillett, Hwy 74, 17 miles SE of Mountain Center on road to Palm Springs. Riverside County. Comment
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  UCR260831  Fouquieria splendens A. C. Sanders, Jim Malusa 2015-3-10 41388 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, between Bradshaw Trail and Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 576 Comment
  RSA0018444  Fragaria vesca N. C. Cooper 1944-6-17 1402 Riverside Above Banning. 1220 Comment
  RSA0018946  Fragaria vesca Philip A. Munz 1922-6-27 5855 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  RSA628536  Frangula californica subsp. californica A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22218 Riverside Morongo Indian Reservation, Middle Branch Millard Canyon. 1311 Comment
  PASA1847  Franseria dumosa R. Peirce 1966-4-21 Riverside 2 mi. W. of Windy Point, 2 mi. S. of White Water P.O. Comment
  POM12911  Frasera parryi P. A. Munz 1922-6-24 5792 Riverside Pipe Creek, Hemet Valley 1402 Comment
  POM9990  Frasera parryi H. M. Hall 1901-07 s.n. Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA263770  Fraxinus latifolia E. W. Lathrop 1968-6-2 6967 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA655603  Fraxinus velutina Mitch Provance 2000-4-8 s.n. Riverside Jurupa Mountains: Bloomington/Crestmore, ca. 100 yards NE of the corner of Cedar Ave. and El Rivino Rd., and along the W side of the El Rivino Country Club. 293 Comment
  SBBG58625  Funastrum cynanchoides var. hartwegii R. Hoffmann 1929-9-11 Riverside Aguanga Comment
  CLARK-A1528-3946  Galium angustifolium Charles S. Papp 1964-6-6 511 Riverside Cleveland National Forest 853 Comment
  RSA761999  Galium angustifolium subsp. angustifolium Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 81 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0018467  Galium angustifolium subsp. angustifolium N. R. Zabriskie, W. M. Zabriskie 1972-3-28 481 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 610 Comment
  CAS-BOT-BC223051  Galium angustifolium subsp. gracillimum Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  UCR189590  Galium angustifolium subsp. jacinticum Andrea Salzman 2006-6-29 156 Riverside Peninsular Range, San Jacinto Mountain Range, Pine Cove off of Red Hill Road, 0.1 mi south of Alvin Meadow 1566 Comment
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Feb 19 2017
  POM283990  Galium aparine Lyman D. Benson 1932-3-26 3179 a Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA293524  Galium aparine var. echinospermum C. W. Tilforth, Walter Wisura 1979-4-11 1794 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  UCR147548  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1284 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  UC102542  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2529 Comment
  CAS-BOT-BC500428  Galium stellatum subsp. eremicum A. C. Sanders; Jim Malusa 2015-3-11 41407 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  LA208442  Galium stellatum var. eremicum Martha Hilend; 1932-3-25 Riverside Chuckwalla Mountains, Chuckwalla Mts., about 3 mi above Corn Spring Comment
  CAS-BOT-BC158023  Garrya veatchii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns.; Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats, along the road below the pond 1097 Comment
  SD137745  Garrya veatchii Darin L. Banks, Steve Boyd 1995-1-18 42 Riverside Cleveland National Forest, north sloape of Agua Tibia Mountain, west of Wild Horse Peak, along the Dripping Springs Trail. 963 Comment
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Mar 2 2013
  POM358668  Geraea canescens Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  POM358669  Geraea canescens Hutchinson 1926-5-1 s.n. Riverside Palm Springs, Riverside County Comment
  RSA680917  Geraea canescens Scott D. White, Michael Honer 2003-5-14 9272 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR163929  Geraea canescens A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29142 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR227179  Geraea canescens Jim Andre 2011-2-9 15939 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  RSA162827  Geranium richardsonii J. D. Olmsted 1959-7-1 722 Riverside Wellman s Cienega at intersection of trail and running water, 5miles NE of Idyllwild, San Jacinto Mts. Willow Tahquitz Creek. 2820 Comment
  UCR156460  Gilia T. B. Salvato, A. C. Sanders 2005-5-17 902 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
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR178156  Gilia T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 137 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR275955  Gilia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3792 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SEINET7073305  Gilia angelensis A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  JEPS86052  Gilia australis W. L. Jepson 1928-4-19 12434 Riverside 5 mi northerly Elsinore; northerly of Elsinore Comment
  SEINET6051252  Gilia australis Unknown 1944-5-20 1282 Riverside Palms to Pines Highway. San Jacinto Mountains. Comment
  RSA470271  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-17 1430 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA67337  Gilia diegensis J. Rattenbury 1949-4-28 172 Riverside Nera Pinyon Flat Public Camp on Hwy 174, north of Mt. Santa Rosa. 1220 Comment
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Sep 4 2011
  RSA87941  Gilia diegensis Verne Grant 1954-6-10 19657 Riverside Yellow Pine Forest at Mountain Home Springs on Santa Rosa Mountain. 2134 Comment
  SD48404  Gilia diegensis Verne Grant 1954-6-10 9398 Riverside Open burned-over brush on top of a shoulder on Santa Rosa Mtn. 2194 Comment
  CHSC1254  Gilia stellata F. Hughes 1935-4-6 Riverside Colorado desert. Comment
  JEPS20714  Gilia stellata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13244 Riverside 11.3 mi n Blythe (U. S. 95); wash arising in Big Maria Mts. Comment
  JOTR30792  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  RSA525345  Githopsis diffusa subsp. candida Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4442 -B Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  UCR90762  Githopsis diffusa subsp. candida D. E. Bramlet 1995-4-26 2397 A Riverside Perris-Aguanga Basin, Shipley Multi-species Reserve, SW of Tucalota Creek 488 Comment
  RSA653663  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  IRVC28517  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog San Bernardino Mtns 1098 Comment
  SEINET10915528  Gnaphalium Greg Gust, Leith Nye 2005-3-11 Gust 549 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA559334  Gnaphalium beneolens Steve Boyd, Tim Ross 1992-5-15 7408 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UCR207785  Gnaphalium canescens subsp. microcephalum O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR121821  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24603 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA192328  Gnaphalium palustre H. A. Zuill 1966-6-29 262 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  RSA198970  Gnaphalium palustre R. F. Thorne 1968-5-8 37578 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA556455  Gnaphalium palustre Julie Greene 1993-4-30 1268 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  UCR112495  Gnaphalium palustre A. C. Sanders 1998-5-21 21868 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  JOTR16683  Grayia spinosa Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  SBBG108085  Grayia spinosa C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  SEINET3090328 Image available Grayia spinosa P. A. Rauch 1966-4-16 Riverside Entrance to Titus Canyon Road (off Nevada State Hwy. 58 between Beatty, Nev. - Death Valley Nat'l Mon't, Calif.) Comment
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Aug 3 2013
  POM359186  Gutierrezia californica L. C. Wheeler 1933-12-1 2293 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UC468773  Gutierrezia californica L. G. Childs 1920-11-25 Riverside Martinez Canyon Colorado Desert, Santa Rosa Mts. Martinez Canyon Comment
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Jun 4 2009
  RSA304952  Gutierrezia sarothrae E. R. Hobbs 1978-7-17 78 -118 Riverside Creek banks, Avery Canyon, betw Santa Rosa Hills and Polly Butte, N side of Gibbel road, S of Hemet Comment
  UCR91875  Gutierrezia sarothrae A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15901 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  CAS-BOT-BC231101  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills: S end of Harford Springs county Park 640 Comment
  RSA0066610  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3920 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 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
  UCR241790  Hedypnois cretica A. C. Sanders, Timothy W. Chumley 2013-3-29 40715 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. near bridge over Temescal Wash between Temescal Canyon Rd. and I-15 Fwy 380 Comment
  CSUSB1539  Helianthus annuus M. Peterson 1972-6-29 S. N. Riverside Riverside Comment
  JEPS8949  Helianthus annuus Rimo Bacigalupi with G. T. Robbins 1954-5-16 4469 Riverside one-half mi w Lakeview (just e of Lakeview (formerly Ginsberg) Hot Springs); valley of San Jacinto River 432 Comment
  CAS-BOT-BC305798  Helianthus petiolaris Katherine Esau 1935-6-15 s.n. Riverside Hemet Valley Comment
  SDSU14076  Heliotropium curassavicum Joel Tracey 2002-4-20 9 Riverside Santa Margarita Ecological Reserve, 0.1 mile east from parking area intersecting Santa Margarita River and Northside Field Station road, rock wall 20 feet north of river. 253 Comment
  UC1532826  Heliotropium curassavicum Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47310 Riverside Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  UCR172155  Heliotropium curassavicum A. C. Sanders 2006-5-11 32273 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR278884  Heliotropium curassavicum Mitch Provance 2011-6-9 17195 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA544427  Heliotropium curassavicum var. oculatum Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6332 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UCR16861  Hemizonia fasciculata William E. Wayburn 1973-5-26 730526- 2 Riverside Santa Ana Mtns, Santa Rosa Plateau, 9 mi east of DeLuz on Murrieta Road [Walker Basin area] 396 Comment
  SEINET1004954  Hemizonia kelloggii Mitch Provance 2005-1 9811 Riverside Nochols road wetland area t Alberhill Creek, S 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
  UCR158258  Hemizonia kelloggii A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30105 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
  UCR165187  Hemizonia mohavensis Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Range; San Jacinto Mtns., 0.5 mi SE of Twin Pines Ranch, near unnamed tributary of Azalea Creek 1059 Comment
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Jan 5 2009
  RSA618635  Hemizonia paniculata D. L. Banks 1997-6-16 2061 Riverside MW Palomar mountains, Agua Tibia Mountains: Pechanga Indian Reservation. On S side of Pechanga Road, approximately 20 m W of the old schoolhouse. 378 Comment
  RSA656543  Hemizonia paniculata A. C. Sanders 2000-5-25 23423 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA727715  Hemizonia paniculata R. E. Riefner 2006-9-19 06 -444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  UCR213869  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UCR69754  Hemizonia paniculata A. C. Sanders, C. McGaugh 1991-7-19 11155 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA514387  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 B Riverside Winchester area: Roadside of Simpson Ave., less than1 mi W of intersection w/ Winchester Rd. 445 Comment
  UCR256772  Hemizonia pungens subsp. laevis T. B. Salvato, Matthew Malle 2013-5-20 7586 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR174159  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32598 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
  HSC25815  Hesperocallis undulata R. W. Spjut 1972-3-20 2286 Riverside Riverside/San Bernardino Co., Colorado Desert, 4-10 mi. W of Rice (N end of Maria Sand Dunes), along Hwy. From Rice to 29 Palms Hwy. or to Desert Center. 305 Comment
  RSA663860  Hesperocallis undulata C. R. Annable 1995-3-16 2297 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  RSA439269  Hesperolinon micranthum Robert Gustafson, Gary D. Wallace 1983-6-23 2725 Riverside along Clinton Keith Road, ca 2.5 miles from its junction with Highway 15, Santa Ana Mountains Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 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
  UCR265831  Heteromeles arbutifolia Mitch Provance 2012-5-24 512- 13 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
  RSA479911  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2090 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  UCR34904  Heterotheca sessiliflora subsp. echioides L. B. Ziegler 1966-8-9 075 Riverside San Jacinto Mtns., Hemet (Thomas-Garner) Valley 1418 Comment
  JOTR29576  Hibiscus denudatus Andre, Jim 2006-4-6 6689 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  RSA5373  Hibiscus denudatus B. D. Stark 1932-6-15 3733 Riverside 2 mi W of Utopia on the Mecca - Blythe Road 213 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
  SBBG55857  Hibiscus denudatus C. Davidson, J. Jones 1980-4-4 9961 Riverside W end of the Orocopia Mtns in a small cyn and wash almost S of Oro Peak 518 Comment
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Sep 17 2011
  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
  UCR59709  Hilaria rigida A. C. Sanders 1989-9-19 9496 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  CAS-BOT-BC207574  Hoffmannseggia microphylla Annie M. Alexander; Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas Comment
  CAS-BOT-BC207950  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  SD258923  Hoffmannseggia microphylla Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7652 Riverside Mecca Hills; Side Canyon along Painted Canyon Road, NE of Mecca, NW of Box Canyon 170 Comment
  SD49373  Hoffmannseggia microphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca & Shaver's Well, in gravelly soil Comment
  SEINET953934  Hoffmannseggia microphylla T. R. Van Devender, R. K. Van Devender 1986-1 86 -207 Riverside Cactus City Rest Area, Interstate Highway 10, about 23 miles east of Indio. Comment
  SD140223  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74), open fields 459 Comment
  UCR211715  Hordeum depressum Fred M. Roberts, Melissa Riedel-Lehrke 2006-4-18 6319 Riverside Perris Basin, San Jacinto Valley, west of Hemet, along west side of Warren Road, 0.1 km north-northwest of the junction of Warren Road and Esplenade Road, 1.5 km north-northwest of the summit of Tres Cerritos Hills 453 Comment
  UCR91873  Hordeum intercedens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18046 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR201614  Hordeum marinum subsp. gussoneanum Scott D. White, Justin M. Wood 2008-6-19 12256 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  CAS-BOT-BC148566  Horkelia clevelandii F. Grinnell Jr. 1908-7-1 s.n. Riverside Strawberry Valley 1828 Comment
  UC64512  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley; San Jacinto Mountains 1615 Comment
  JEPS46452  Horsfordia Mrs. Ben L. Clary Apr., 1930 Riverside Coral Reef Ranch Coachella Comment
  RSA433950  Horsfordia alata Marjorie D. Clary 1930-04 s.n. Riverside Canyon near Coachella 19 Comment
  CAS-BOT-BC312593  Hulsea vestita subsp. callicarpha F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  SDSU1684  Hulsea vestita subsp. callicarpha D. F. Howe 1941-6-8 1281 Riverside San Jacinto Mts. 1524 Comment
  JOTR01267  Hulsea vestita subsp. parryi Cole, James E. 1941-5-30 831 A Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  RSA134687  Hydrocotyle ranunculoides P. H. Raven 1959-5-17 14233 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  RSA695592  Hymenoclea salsola Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  UCR466  Hypochaeris glabra Frank C. Vasek 1958-4-26 s.n. Riverside Palomar Mtn. Region, Hwy '71' [79], east of Temecula, east end of [Temecula Creek] bridge at E end of cultivated valley [Pauba Valley] 366 Comment
  CAS-BOT-BC219754  Hyptis emoryi Masters 1906-4-8 6610 Riverside Palm Springs Comment
  CAS-BOT-BC219770  Hyptis emoryi L. R. Abrams 1926-3-26 11065 Riverside Palm Springs to Palm Canyon Comment
  LA61608  Hyptis emoryi Nesta Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  RSA420159  Hyptis emoryi E. Crow 1929-2-24 177 Riverside Andreas Mesa, SW Palm Springs. Colorado Desert. Comment
  RSA420161  Hyptis emoryi D. A. Young 1969-3-28 P- 312 Riverside Palm Springs. 305 Comment
  RSA83467  Hyptis emoryi F. W. Peirson 1919-4-13 1078 Riverside first canyon east of Palm Canyon, Palm Springs region. Comment
  SEINET238746  Hyptis emoryi K. Kirtland 1998-11-6 s.n. Riverside Sonoran Desert: sand and gravel mine ca. 8 miles (airline) N of Blythe SW of Big Maria Mtns. on Midland Road. 137 Comment
  SEINET4133991  Hyptis emoryi J. W. Clokey 1935-4-17 6866 Riverside Shafer Mills.; 0 Comment
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Jul 16 2015
  UCR279529  Hyptis emoryi A. C. Sanders, Jim Malusa 2017-3-29 43184 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR4019  Hyptis emoryi Val Chase 1965-2-22 13 a Riverside Sonoran (Colorado) Desert, 1 mi. south of Palm Desert on the Palms to Pines Hwy 305 Comment
  SEINET9369856  Hyptis emoryi Unknown 1936-12-19 Riverside Riverside Co., CA (elev 500') 152 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
  UCR132779  Ipomoea triloba S. J. Myers 1996-11-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, near Auto Center Drive east of RR and of Indio Blvd. -6 Comment
  OBI16008  Isocoma acradenia var. eremophila Louis C. Wheeler 1931-11-27 375 Riverside 5 me SE Mecca, Coorado Desert 61 Comment
  UC53957  Isocoma acradenia var. eremophila J. Vandeventer 1903-1-1 11 Riverside San Jacinto Mts. Comment
  UC891887  Isocoma acradenia var. eremophila Carl B. Wolf 1932-10-13 Riverside 4.5 mi se Mecca (Caleb (S.P.R.R. siding)); Colorado Desert -60 Comment
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Jul 16 2015
  RSA605788  Isocoma menziesii Scott D. White 1995-12-30 3802 Riverside Perris-Aguanga Basin region: Perris Basin, SW of Perris, above S bank of San Jacinto River. 441 Comment
  RSA702043  Isocoma menziesii var. menziesii Scott D. White, Angelia Carey 2004-9-16 10748 Riverside San Jacinto Mountain foothills: San Jacinto Mountain foothills: Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  UCR181607  Isocoma menziesii var. menziesii Mitch Provance 2004-5-1 7602 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  CAS-BOT-BC69866  Isoetes orcuttii Robert F. Thorne; E. Lathrop 1969-5-12 37943 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 624 Comment
  UCR136159  Iva axillaris A. C. Sanders 2004-6-20 28213 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
  SD234824  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 5 647 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar Corydon Road at Union Street (Wildomar 7.5'Q) 394 Comment
  UCR266483  Iva axillaris subsp. robustior Mitch Provance, Eric Kline 2015-3-26 315- 46 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  RSA85817  Ivesia santolinoides E. C. Jaeger 5445 Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  CAS-BOT-BC101886  Juglans californica Winfield 1975-4-17 2428 Riverside West end of Fairmont Park - Riverside Comment
  RSA0011073  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11130 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR189786  Juglans californica var. californica Theresa Johnson 2007-10-24 404 Riverside Peninsular Ranges, Perris-Aguanga basin, Badlands, just north of Highland Blvd Comment
  RSA785184  Juncus bufonius D. E. Bramlet 1992-4-29 2256 Riverside San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UCR117312  Juncus bufonius A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 735 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR59675  Juncus bufonius Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3541 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UC1971605  Juncus longistylis Scott D. White 1998-7-31 6952 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. Comment
  RSA0062498  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  UCR89810  Juncus macrophyllus Scott D. White 1993-5-27 1413 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA500570  Juncus macrophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3562 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  POM14977  Juncus oxymeris Mary F. Spencer 1922-6-17 1986 Riverside Idyllwild, San Jacinto Mountains. 1677 Comment
  UCR207678  Juncus rugulosus G. R. Ballmer 2005-12-3 s.n. Riverside Transverse Range; San Bernardino Mtns., Whitewater River Canyon 610 Comment
  RSA125840  Juncus textilis E. K. Balls, Percy C. Everett 1957-11-13 22800 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  UCR121817  Juncus torreyi A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24598 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR163045  Juncus xiphioides D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  UCR174110  Juncus xiphioides A. C. Sanders 2006-5-19 32452 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
  JEPS48325  Juniperus californica W. L. Jepson and W. C. Mathews 1914-5-18 6035 Riverside Pinyon Well Colorado Desert, Pinyon Well Comment
  GMDRC9805  Justicia californica J. M. Andre 2017-3-1 38022 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA398815  Justicia californica Robert M. Perkins, H. de Forest 1937-3-15 387 Riverside 20 miles east of Desert Center. Comment
  RSA80967  Justicia californica G. R. Campbell 1952-4-6 18416 Riverside 3 mi. S. of jct. with road to Cottonwood Springs, Joshua Tree National Monument Road from 29 Palms to Hwy 60-70. 915 Comment
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Nov 19 2011
  SEINET7248824 Image available Justicia californica L. S. Rose 1946-1 46304 Riverside Tahquitz Canyon Wash, Palm Springs 139 Comment
  UC68703  Justicia californica H. M. Hall Apr., 1905 5776 Riverside 10 mi. w. Coachella; Colorado Desert 91 Comment
  UCR50575  Justicia californica B. G. Pitzer 1988-3-10 640 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  JOTR01220  Justicia californica Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SRRING WASH Comment
  RSA0087460  Kallstroemia californica Sarah J. De Groot, Amy Rouillard 2015-9-15 7572 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA780234  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-13 116 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  CAS-BOT-BC235505  Keckiella antirrhinoides R. S. Woglum 1941-5-17 3038 Riverside Coyote Canyon, (extreme south-central) Riverside Co. Comment
  JEPS8733  Keckiella antirrhinoides I. W. Clokey and E. G. Anderson 1935-4-16 6885 Riverside e of Hemet (hillside along San Jacinto River) 600 Comment
  SDSU10659  Keckiella antirrhinoides Wende Rahlaender 1983-5-28 7 Riverside Santa Rosa Mtns, Big Horn Sheep Lookout: pn NW rom of Deep Canyon, about 15 miles along Hwy 74 from Palm desert; just SE of Sugarloaf Mtn., 5 miles NE of Santa Rosa Mtn. Comment
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Jul 14 2013
  SDSU10661  Keckiella antirrhinoides H. Wedberg 1962-4-20 899 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston ranger Station , on road to Idyllwild. 610 Comment
  UCR225613  Keckiella antirrhinoides A. C. Sanders 2011-3-30 38921 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  NY786549  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1996-5-2 931 -A Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the southeast of the gate to the Preserve. 448.1 Comment
  RSA0117832  Keckiella antirrhinoides var. antirrhinoides Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along the Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  UCR16019  Keckiella antirrhinoides var. antirrhinoides John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns, 3 mi SE of Banning near Hwy 243 Comment
  CAS-BOT-BC235773  Keckiella cordifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  LA209266  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 Riverside Santa Ana Mountains, above Bear Spring on Santiago Peak Comment
  UC1563110  Keckiella cordifolia Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3686 Riverside Arroyo Seco; Vail Lake Area 487 Comment
  CAS-BOT-BC246101  Keckiella ternata subsp. ternata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA783583  Koeberlinia spinosa var. tenuispina Michael Wall 2011-4-2 603 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 6.5 miles east of jct. with Fairview Ave. 758 Comment
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Dec 20 2017
  SD152990  Koeleria macrantha Steve Boyd, Tim Ross 1992-5-4 7177 B Riverside San mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  UCD85716  Koeleria macrantha A. A. Beetle 1946-6-10 4393 Riverside San Jacinto Mt., San Jacinto Mts. 1219 Comment
  UCR2493  Koeleria macrantha F. M. Reed 1932-7-2 7294 Riverside San Jacinto Mountains, Camp Emerson, Idyllwild 1524 Comment
  UCSB16825  Krameria bicolor Hargreaves, Bruce 1963-5-5 Riverside 5.7 miles southeast of Pinyon Flats Campground on California Highway 74 762 Comment
  RSA680921  Krameria grayi Scott D. White, Michael Honer 2003-5-14 9279 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  HSC78583  Langloisia setosissima subsp. setosissima G. K. Helmkamp 1983-3-24 38311 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd. 335 Comment
  RSA469610  Langloisia setosissima subsp. setosissima T. W. Minthorn 1926-5-13 14832 Riverside East of Banning Comment
  CAS-BOT-BC171124  Larrea tridentata Javier Penalosa 1963-4-10 2790 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  RSA0042206  Larrea tridentata Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC, on Dos Palmas Road, next to visitor parking lot. Comment
  RSA115036  Larrea tridentata E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20976 Riverside Hwy 74, 12 mi. E and N from Pinyon Flat F.S. Campground on road to Palm Springs Comment
  UCR256338  Larrea tridentata Duncan S. Bell 2012-2-12 3115 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  CAS-BOT-BC412729  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  SEINET7073342  Lasthenia californica A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  CLARK-A1528-254  Lasthenia chrysostoma unknown 1952-4-13 Riverside Jurupa Hills Comment
  UCR113179  Lasthenia coronaria A. C. Sanders 1998-3-11 21678 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR137700  Lasthenia coronaria D. L. Banks, V. W. Steinmann 1997-3-13 1514 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  CAS-BOT-BC328103  Lasthenia glabrata subsp. coulteri D. Bramlet 1995-5-5 2407 Riverside 7.5 km W of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  UCR95381  Lasthenia glabrata subsp. coulteri Steve Boyd, D. Bramlet 1996-4-19 8614 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  POM305813  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1046 Riverside Elsinore. Comment
  RSA695577  Lasthenia gracilis Keith E. Hoffmaster 1936-4-26 712 Riverside Box Springs grade. Comment
  SEINET3147917  Layia glandulosa M. F. Gilman 1904-1 3 Riverside Banning Comment
  SJSU11677  Layia glandulosa J. W. Tofflemire 1957-4-18 Riverside by Bautista Canyon Rd 4 mi SE of Hemet Comment
  UC279713  Layia glandulosa Edmund C. Jaeger 1925-12-23 Riverside Aguanga 883 Comment
  UCR165607  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 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
  RSA613326  Layia platyglossa D. L. Banks 1997-3-6 1390 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
  UC1369839  Layia platyglossa Louis B. Ziegler 1966-6-10 Riverside between Mountain Center and Keen Camp summit; San Jacinto Mountains 1447 Comment
  UCD133983  Layia platyglossa C. L. Hitchcock 1966-3-15 24146 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR142912  Layia platyglossa Mary V. Hood 1945-3-25 s.n. Riverside Peninsular Range, Aguanga, Cottonwood Creek 610 Comment
  POM319692  Lemna valdiviana Patricia Wilder 1970-10-30 4860 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  SEINET10449124  Lepidium David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3757 Riverside Found in wash above quad. 6. Indio hills, colorado desert. Near pushawalla. Comment
  RSA601921  Lepidium dictyotum var. acutidens D. E. Bramlet 1997-3-13 2493 Riverside Nichols Road Wetlands. The site is located approximately 275 m SE of Nichols Road, 91 m W of Collier Ave and 305 m W of the I-15. The locality is E of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. 381 Comment
  POM93924  Lepidium fremontii Marcus E. Jones 1926-2-16 16 Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  CAS-BOT-BC89581  Lepidium lasiocarpum A. C. Sanders; T. B. Salvato; Mitch Provance 2000-4-25 23353 Riverside Coachella Valley. East side of the Coachella Canal between I-10 and Avenue 56 (Airport Road), 3 miles east of Thermal. 15 Comment
  RSA0123116  Lepidium lasiocarpum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9023 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA429921  Lepidium lasiocarpum Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SDSU14134  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  UCR239905  Lepidium latifolium O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR241391  Lepidium nitidum T. B. Salvato, Mike Landers 2013-3-21 7380 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  SD224896  Lepidium pinnatifidum A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18054 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets. 433 Comment
  CAS-BOT-BC60108  Lepidium virginicum var. menziesii Geo. T. York 1936-7-30 s.n. Riverside Chino. Comment
  RSA735850  Lepidium virginicum var. robinsonii Scott D. White, Justin Wood 2008-4-15 11873 Riverside Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR256804  Lepidium virginicum var. robinsonii T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7864 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  SD229100  Lepidospartum squamatum Dick Schwenkmeyer 2012-10-16 848 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  CLARK-A1528-4711  Leptochloa filiformis John C. Roos 1958-9-28 Riverside Coachella Comment
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  CDA29073  Leptochloa uninervia Mike Lahti 2008-12-12 PDR# 1509355 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. 0 Comment
  UCR37447  Leptochloa uninervia Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  UCR23126  Leptodactylon jaegeri J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mtns., on limestone rocky outcrop beyond Caramba camp, off the old trail 2439 Comment
  CHSC26195  Leptosiphon ciliatus Dieter H. Wilken 1965-6-29 370 Riverside Strawberry Meadows, near Idyllwild, San Jacinto Mtns. At edge of road. 1554 Comment
  RSA67071  Leptosiphon ciliatus Verne Grant, Alva Grant 1951-7-22 16106 Riverside Along road to Dark Canyon campsite, 0.25mi from main hwy, north of Idyllwild. 1707 Comment
  RSA73688  Leptosiphon ciliatus E. C. Jaeger 1921-7-12 5456 Riverside Dutch Flats, San Jacino Mts. Comment
  RSA487445  Leptosiphon lemmonii Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  UCR268304  Leptosiphon liniflorus Jim Andre 2012-6-15 30516 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  RSA585742  Leptosiphon pygmaeus subsp. continentalis D. L. Banks, S. D. Boyd 1995-5-9 0406 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 738 Comment
  UCSB9519  Leptosyne douglasii Wedberg, H. 1957-3-22 Riverside State Hwy. 71, Alberhill Comment
  UCR120206  Lessingia filaginifolia Mitch Provance 1998-3-5 194 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA761323  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 681 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1287412  Lessingia glandulifera var. glandulifera A. P. Nelson, D. Kaplan 1960-8-13 666 Riverside 1 mi s of Idyllwild; Toll Gate Road Comment
  UC1147903  Lilaea scilloides Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37595 Riverside Rancho California; Santa Rosa Plateau 609 Comment
  RSA162811  Lilium parryi J. D. Olmsted 1959-7-1 711 Riverside Canyon entering Fern Valley from west of Suicide Rock, at highest dam, 2 miles NE of Idyllwild 1921 Comment
  UC1035029  Lilium parryi Albert M. Vollmer Jul 1 1950-Jul 7 1950 Riverside Stony Creek; San Jacinto Mountains Comment
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Mar 10 2013
  RSA0039266  Limonium sinuatum A. C. Sanders 2014-4-23 41057 Riverside Temescal Valley at intersection of Concordia Ranch Rd. and Temescal Canyon Rd., near I-15 364 Comment
  RSA772416  Linanthus bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4849 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
  LA206678  Linanthus californicus W. Pequegnat; April 1937 65 Riverside Santa Ana Mountains, Glen Ivy, 8 mi. S of Corona Comment
  RSA552713  Linanthus californicus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6682 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR250857  Linanthus californicus Dick Newell, Judy Booth 2014-3-9 356 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, 0.34 mi. east of Ortega Hwy 865 Comment
  SEINET7073335  Linanthus dianthiflorus A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR258874  Linanthus dianthiflorus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7917 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  UCR24238  Linanthus floribundus John C. Roos 1962-5-19 s.n. Riverside Peninsular Range, Santa Ana Mtns., Strawberry [=Santiago? Sugarloaf?] Peak [on the Orange county line] Comment
  UC23788  Linanthus liniflorus A. J. McClatchie 1892-6-8 40 Riverside near Elsinore Comment
  SDSU15209  Linanthus liniflorus subsp. pharnaceoides H. Wedberg 1962-5-23 940 Riverside 4.8 miles from HWY 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR133428  Linanthus parviflorus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 459 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA705852  Linaria canadensis Steve D. Boyd, Darin Banks 1994-4-5 8260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  POM127859  Linum lewisii P. A. Munz 1922-6-27 5848 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  UCR193292  Lithophragma affine A. C. Sanders, Tim Thomas 2008-6-20 35541 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR20389  Lithophragma affine John C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon [1 mile] SE of [summit of] Reche Canyon 686 Comment
  RSA731074  Lithophragma affine subsp. mixtum Steve Boyd, Aydee Virgen 2004-4-13 10881 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  POM48844  Loeflingia squarrosa Stephen Grout, Grout 1905-05 s.n. Riverside West Riverside. Comment
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Jul 24 2010
  UCR260851  Loeflingia squarrosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41417 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UC1563139  Loeseliastrum matthewsii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3650 Riverside s.e. Vail Lake (just n. of Hwy. 79, Temecula Creek); Vail Lake area, Temecula Creek 487 Comment
  SEINET3004973  Logfia arizonica G. Rink 2011-3-30 10399 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UCR78448  Logfia arizonica Scott D. White 1993-4-22 1266 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR85182  Logfia depressa A. C. Sanders, George K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16164 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  RSA612609  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1997-3-13 1494 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR232795  Lolium perenne subsp. multiflorum John F. Green 2008-4-16 0408- 49 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UC1608297  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6740 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr.; Santa Ana Mts., San Mateo Cyn Wilderness Area, N-fork Bear C 670 Comment
  UCR104928  Lomatium lucidum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20638 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR48488  Lomatium utriculatum Steve Boyd 1986-3-9 1381 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  POM78236  Lomatium vaginatum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
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Dec 8 2013
  POM4466  Lonicera subspicata var. denudata I. M. Johnston 1918-5-30 s.n. Riverside Lee Lake, Temescal Canyon. 335 Comment
  UC1608260  Lonicera subspicata var. denudata Steve Boyd, Tim Ross 1992-5-5 7230 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  RSA645617  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UC56580  Lotus argophyllus H. M. Hall Apr 1897 423 Riverside Winchester Comment
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Mar 20 2011
  POM122398  Lotus crassifolius Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA406104  Lotus crassifolius N. C. Cooper 1943-9-11 922 Riverside San Jacinto Mountians, Idlewild. 1829 Comment
  UC218072  Lotus grandiflorus P. A. Munz and I. M. Johnston 1922-5-19 5403 Riverside 1 mi above mouth of Strawberry Creek; San Jacinto Canyon, Strawberry Creek 1219 Comment
  RSA0028966  Lotus grandiflorus var. mutabilis Keith E. Hoffmaster 1937-7-5 820 Riverside San Jacinto Mtns. Comment
  UCR102882  Lotus hamatus A. C. Sanders 1997-3-26 20126 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR48394  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR109482  Lotus heermannii A. C. Sanders, D. R. Schramm, D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  UCR82906  Lotus heermannii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15798 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR266810  Lotus humistratus Mitch Provance, Matt Amalong 2015-3-25 315- 20 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  POM12848  Lotus nevadensis var. nevadensis P. A. Munz 1922-6-27 5851 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  RSA406174  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-19 3668 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  UCSB16928  Lotus rigidus Dennis E. Breedlove 1962-3-11 1893 Riverside collected 8.0 mi SW, along State Highway 74 Palm Desert - Palm Desert and State Highway 74 640 Comment
  UCR158497  Lotus salsuginosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30041 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
  UCR25958  Lotus salsuginosus var. salsuginosus John C. Roos, L. Roos 1952-5-19 5694 Riverside One year old burn on hills north of Moreno 518 Comment
  RSA406911  Lotus scoparius M. B. Dunkle 1933-5-6 3384 Riverside Dry Morongo Creek. Comment
  VVC2873  Lotus scoparius Tim Thomas, P. J. MacKay 2010-4-12 5030 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  SEINET10970186  Lotus scoparius David B. Dunn 1948-1-25 Dunn 3645 Riverside Found in ravine ne of the top of the grade e of riverside, about 5 mi out. Comment
  UCR166171  Lotus scoparius subsp. brevialatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA314658  Lotus scoparius var. brevialatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55476 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR20970  Lotus scoparius var. brevialatus A. C. Sanders 1980-5-2 1427 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA543189  Lotus scoparius var. scoparius Steve Boyd 1991-5-2 6109 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR103169  Lotus strigosus Scott D. White, Julie Greene 1997-3-12 4780 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR228886  Lotus strigosus A. C. Sanders 2011-4-6 38999 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR97473  Lotus strigosus A. C. Sanders 1997-3-1 19708 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA776380  Lotus strigosus Amber Swanson 2011-4-8 375 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA633870  Lotus strigosus var. hirtellus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38112 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR166547  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  CSUSB1241  Lotus tomentellus Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  POM115637  Lotus tomentellus A. M. Alexander 1941-5-15 2186 Riverside Base of Eagle Mountains. 915 Comment
  SEINET3557310  Lotus tomentellus Philip A. Munz 1940-3-23 15722 Riverside North end of Pinto Basin, Mohave Desert 610 Comment
  RSA487422  Lotus unifoliolatus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA525455  Lotus wrangelianus Steve Boyd, David E. Bramlet 1990-4-29 4500 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  CAS-BOT-BC389673  Lupinus D. L. Castleberry 1964-2-2 s.n. Riverside Tahquitz Canyon Comment
  POM46801  Lupinus arizonicus Mary F. Spencer 1920-4-6 1467 Riverside Palm Springs. 122 Comment
  SBBG3531  Lupinus arizonicus H. and M. Dearing 1939-12-31 4063 Riverside near NE end of Salton Sea Comment
  SD185221  Lupinus arizonicus John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3.0 miles east of Desert Beach. 24 Comment
  UCR88117  Lupinus arizonicus A. C. Sanders, G. Nuhn 1995-4-20 16591 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCSB8837  Lupinus arizonicus Bell, David 1969-3-31 Riverside River Bend Campground; along U.S. Highway 95; 15 miles north of Blythe, Mojave Desert 152 Comment
  RSA715328  Lupinus bicolor John Green 2006-4-27 s.n. Riverside Peninsular ranges, Foothills of Santa Ana Mtns./Santa Rosa Plateau: Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte. 351 Comment
  UC495199  Lupinus bicolor Philip A. Munz 1932-3-24 12017 Riverside Corona 365 Comment
  UCR155038  Lupinus bicolor A. C. Sanders, Kelly Volansky 2005-3-17 29231 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR178004  Lupinus bicolor 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
  UCR270390  Lupinus bicolor John F. Emmel 1998-5-2 1544 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.8 road mile SE of national forest boundary 729 Comment
  UCR138139  Lupinus bicolor subsp. microphyllus D. L. Banks, V. W. Steinmann 1997-3-13 1457 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
  JOTR32190  Lupinus concinnus Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  SBBG3576  Lupinus concinnus H. and M. Dearing 1949-4-9 6744 Riverside Joshua Tree Nat Monument Comment
  UC15828  Lupinus concinnus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR103998  Lupinus concinnus George K. Helmkamp 1998-4-3 3062 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR162273  Lupinus concinnus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  POM98007  Lupinus concinnus subsp. optatus E. C. Jaeger 1926-3-28 s.n. Riverside Santa Rosa Mts. in wash near Van De Venters flat. 1433 Comment
  RSA356755  Lupinus concinnus var. concinnus R. F. Thorne 1973-5-23 45538 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  POM50377  Lupinus densiflorus var. lacteus W. W. Eggleston 1924-3-8 19523 Riverside Hemet. 480 Comment
  OBI42759  Lupinus excubitus Melody Lardner 1981-5-19 188 Riverside Collected in the Main St Cyn in the Santa Ana Mts, 3.5 mi S of Hwy 91 at the end of Main St 427 Comment
  RSA430284  Lupinus formosus David B. Dunn, LeDoux, Kenney 1973-6-15 20760 Riverside 4 miles NW of Jct of Hwy 74 and 71 on Hwy 74. 1402 Comment
  SEINET2062637 Image available Lupinus formosus Norman C. Cooper 1945-5-5 2225 Riverside San Gorgonio Mts. Above Banning 914 Comment
  RSA413638  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SDSU12852  Lupinus hirsutissimus Janet M. Knotts, Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998G Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet s.w. on road to switchback, northwest of bend in road. 262 Comment
  UCR142196  Lupinus hirsutissimus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  POM11285  Lupinus hyacinthinus Philip A. Munz 1922-7-6 5978 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  JOTR31222  Lupinus shockleyi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2006 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  UC126990  Lupinus sparsiflorus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA414279  Lupinus sparsiflorus subsp. sparsiflorus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA414815  Lupinus sparsiflorus subsp. sparsiflorus Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA501016  Lupinus succulentus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3135 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
  CLARK-A1045-873  Lupinus truncatus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  POM256719  Lupinus truncatus W. Pequegnat 1940-4-28 s.n. Riverside Ridge between Bedford and Brown Canyons, Santa Ana Mts. 701 Comment
  RSA757629  Lupinus truncatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4325 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
  UCR92658  Lupinus truncatus Scott D. White 1996-3-31 3868 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  SEINET10489071  Lupinus truncatus David B. Dunn 1947-3-16 Dunn 2916 Riverside Found 100 yards se of cabazon in the banning pass. Comment
  RSA49183  Lycium andersonii Philip A. Munz 1949-4-13 13051 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA543145  Lycium andersonii Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6108 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
  UC73599  Lycium andersonii M. F. Gilman 1901-1 29 Riverside Banning Comment
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Mar 13 2011
  UCR213386  Lycium andersonii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37445 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
  UCR242302  Lycium andersonii A. C. Sanders, T. B. Salvato 2012-10-12 40428 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR56106  Lycium andersonii J. C. Lyman 1989-2-13 s.n. Riverside SW end of the Bernasconi Hills 549 Comment
  UCR42411  Lycium fremontii J. M. Stewart 1986-1-27 86 11 Riverside Sonoran (Colorado) Desert, Hidden Spring Canyon, Mecca Hills, at jct of two washes on NW side. Comment
  RSA617987  Lythrum californicum R. E. Riefner Jr. 1998-10-15 98 -517 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  RSA435284  Lythrum hyssopifolia Christopher Davidson 1977-5-25 5666 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  RSA0103623  Machaeranthera asteroides var. asteroides Duncan S. Bell, Sarah DeGroot 2015-9-21 8648 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, at Portrero Spring. 1074 Comment
  RSA607408  Machaeranthera canescens var. canescens R. S. Woglum 1937-10-20 1198 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  UCR114747  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22798 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  UC1608211  Madia exigua Steve Boyd and Tim Ross 1992-6-10 7642 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  POM49133  Madia gracilis Mary F. Spencer 1919-6-21 1211 Riverside San Jacinto Mountains 1646 Comment
  UCR58854  Malacothamnus densiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3546 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UCR77572  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6127 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  RSA95324  Malacothamnus densiflorus var. densiflorus F. W. Peirson 1926-5-2 6724 Riverside Grade north of Dripping Spring, Temecula River, southwestern Riverside Co. Comment
  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
  UCSB36151  Malacothrix californica Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument 1/4 mile East Rd. 750 Comment
  RSA501062  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3179 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  JOTR32120  Malacothrix glabrata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2278 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA721104  Malacothrix glabrata J. R. Bruff 1927-3-13 2 -C Riverside Fingal. Comment
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Aug 25 2012
  SEINET11799397  Malacothrix glabrata Unknown 1936-1 12871 Riverside Colorado Desert, N of Palm Springs Comment
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Oct 7 2017
  UCR99877  Malva parviflora Scott D. White 1996-12-26 4643 Riverside Perris Basin, Perris area 442 Comment
  UCR278868  Malvella leprosa Mitch Provance 2011-6-9 17196 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  CAS-BOT-BC56808  Mammillaria tetrancistra Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  CHSC8368  Marah macrocarpa Edward L. Smith 1957-4-3 254 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. 579 Comment
  RSA605764  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. SE-facing slope. 610 Comment
  RSA652414  Marah macrocarpa Carol Zuck 1981-2-16 36 Riverside On Santa Rosa Rd. 3.1 miles east of Lake Mathews Rd. Comment
  RSA772120  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4837 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
  CAS-BOT-BC502092  Marina parryi A. C. Sanders; Jim Malusa 2015-9-10 41867 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  JOTR37436  Marina parryi Hodges, Stephen R., T. Hender 2015-12-30 558 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road (Stop 1) Comment
  POM147636  Marina parryi F. M. Reed 1927-3-20 5427 Riverside Salt Creek Wash. Comment
  RSA404231  Marina parryi L. H. Jones 1910-3-18 s.n. Riverside Riverside Mtn, Colorado River. Comment
  UCR162942  Marsilea vestita Fred M. Roberts 1995-5-24 4945 Riverside Hemet, Upper Salt Creek drainage, N of Florida Avenue (State Route 74) and west of Warren Road, c. 1.6 km NW Ryan Field 548 Comment
  UCR152635  Matricaria matricarioides A. C. Sanders 2005-4-22 29589 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  CAS-BOT-BC422725  Meconella denticulata John Thomas Howell 1931-5-30 6594 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  JOTR16781  Melica frutescens Hogan, J. 1975-5-20 161 Riverside Joshua Tree National Park. THREE MILES WEST OF PINYON WELL, PUSHAWALLS CANYON 1170 Comment
  LA12137  Melica imperfecta F. M. Reed; 1904-6-16 1410 Riverside arroyo tahquitz [?] Comment
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Jan 18 2014
  UCR41238  Melica imperfecta N. M. Fellows 1984-3-20 7 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  UCR22078  Melilotus indicus Steve Boyd 1980-5-3 181 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  JOTR28821  Menodora scoparia La Doux, Tasha 2003-9-4 1089 Riverside Joshua Tree National Park. Queen Mountain, above Key's Ranch, near old dam Comment
  RSA613647  Mentzelia D. L. Banks, Victor W. Steinmann 1997-3-13 1472 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  SD241093  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Southern McCoy Mountains, east bajada flank, 1.8 km west of Black Creek Road, 4.4 km north of I-10 and 7.0 km ENE of McCoy Pk. 174 Comment
  RSA0038374  Mentzelia involucrata A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  POM311757  Mentzelia involucrata var. megalantha Shirley See 1958-3-30 220 Riverside 1/2 mile inside the S entrance of Joshua Tree National Monument. 610 Comment
  UCR158503  Mentzelia micrantha A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30022 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
  RSA162704  Mentzelia montana John Olmsted 1958-6-15 165 Riverside 5 miles N of Filmore [Fulmor] Lake towards Baning [Banning] on Baning Idyllwild Road Black Oak in dry grassland between Manzanita & woodland. Fk. San Jacinto Mt. 1372 Comment
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Dec 19 2008
  RSA604767  Mentzelia obscura A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen 1986-3-3 6074 Riverside Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south. 488 Comment
  SBBG128616  Mercurialis annua O. F. Clarke 2011-4-10 Riverside O F Clarke residence, 266 Frost Court, E edge of UCR campus, S of the garage 365 Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UC1979565  Micropus californicus var. californicus Darin L. Banks, Steve Boyd 1995-5-9 397 B Riverside 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. Comment
  CAS-BOT-BC348847  Microseris douglasii subsp. douglasii A. C. Sanders; K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR214884  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37676 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR250115  Microseris heterocarpa A. C. Sanders 2014-4-23 41049 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, c. midway between Black Powder Rd. and end of Concordia Ranch Rd. 380 Comment
  LA209115  Mimulus aurantiacus var. pubescens Norman C. Cooper; 1944-5-6 1205 Riverside Banning 701 Comment
  RSA38706  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11503 Riverside probably a hybrid with puniceus decomposed granite of steep slope and along roadside. Indian Canyon, Indican Canyon Truck Trail. Comment
  UC943878  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 B Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR26977  Mimulus aurantiacus var. pubescens E. W. Lathrop 1966-5-8 6478 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  LA209128  Mimulus aurantiacus var. puniceus W. E. Pequegnat; 1939-4-8 43 Riverside Santa Ana Mts Comment
  RSA523838  Mimulus aurantiacus var. puniceus Gordon H. True Jr. 1935-3-1 40 Riverside Gavilan Hills. 457 Comment
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Apr 3 2011
  SDSU13952  Mimulus aurantiacus var. puniceus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2149 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UC1292579  Mimulus aurantiacus var. puniceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23105 Riverside 10 mi n Pala (on road to Elsinore) Comment
  UCR22113  Mimulus aurantiacus var. puniceus Steve Boyd 1980-4-8 116 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM42984  Mimulus bigelovii var. bigelovii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA408056  Mimulus bigelovii var. bigelovii Christopher Davidson 1979-4-4 7725 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  CLARK-A1528-4239  Mimulus brevipes Pete Holliday 1969-5-19 Riverside Box Springs Mountains 371 Comment
  UCR59531  Mimulus brevipes Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3611 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  POM122819  Mimulus cardinalis Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR115928  Mimulus cardinalis Mitch Provance, Seychelle Provance 1999-8-15 1744 Riverside Riverside, Santa Ana Riverbottom just on the north side of the Mission Bridge 238 Comment
  UCR167797  Mimulus cardinalis T. B. Salvato, Melissa Clemons 2005-6-23 1315 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  JEPS11072  Mimulus floribundus W. L. Jepson and H. M. Hall 1901-5-19 1300 a Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UCR35244  Mimulus fremontii L. B. Ziegler 1968-5-1 281 Riverside San Jacinto Mtns., at Chimney Flats on the old control road to Idyllwild 1463 Comment
  SBBG66693  Mimulus parishii M. D. Clary 1928-7-15 1060 Riverside Whitewater Cyn 762 Comment
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Jan 15 2010
  UC56262  Mimulus parishii F. Gilman 1902-1 17 Riverside Palm Springs Comment
  UCR89771  Mimulus pilosus Scott D. White 1993-5-27 1420 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  JEPS11002  Mimulus primuloides Carl V. Meyer 1928-7-31 602 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  SEINET3225532 Image available Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 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 204 Comment
  HSC86981  Mirabilis laevis var. crassifolia B. Pitzer, A. C. Sanders 1987-4-21 500 Riverside Box Spring Mtns. near S radio towers 793 Comment
  JEPS61346  Mirabilis laevis var. crassifolia Marjorie D. Clary 1932-3-20 1680 Riverside Mission Creek, NW of Garnet 457 Comment
  RSA464251  Mirabilis laevis var. crassifolia Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs. Colorado desert. 400 Comment
  SDSU14058  Mirabilis laevis var. crassifolia Michael Powers 2002-4-2 6 Riverside On north side of Via Tornado Road to north of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 100 feet west of parking lot in riverbed. 233 Comment
  RSA0124374  Mirabilis laevis var. retrorsa Duncan S. Bell, LeRoy Gross 2016-3-31 9199 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA49185  Mirabilis laevis var. retrorsa P. A. Munz 1949-4-12 13036 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  UC56250  Mirabilis laevis var. villosa H. M. Hall May 17 1901-Jun 1 1901 1855 Riverside Palm Canyon 457 Comment
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Aug 18 2010
  POM182069  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UC1080455  Mohavea confertiflora P. C. Everett and E. K. Balls 1958-4-29 1650 Riverside just w of Cactus City (U.S. Highway 60/70, Indio to Blythe) 502 Comment
  UCSB31044  Mohavea confertiflora Steele, R. 1977-3-26 Riverside Box Cyn Road, 5 mi SW of Interstate 10 on 365 Comment
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Dec 2 2014
  UCR101520  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  UCR35002  Mollugo cerviana L. B. Ziegler 1965-9-1 079 Riverside Peninsular Range; San Jacinto Mountains, near Kenworthy Ranger Station 1387 Comment
  POM268799  Mollugo cerviana E. C. Jaeger 1945-09 s.n. Riverside Joshua Tree National Monument. 1220 Comment
  RSA671  Monardella lanceolata var. lanceolata J. T. Howell 1927-8-2 553 Riverside Near Banning. 671 Comment
  CAS-BOT-BC215455  Monardella linoides subsp. linoides Lewis S. Rose 1936-12-24 36812 Riverside Palms to Pines Highway, 24 mi. SW of Indio, San Jacinto Mts. 1066 Comment
  LA62725  Monardella linoides subsp. linoides Carl Epling; William Robison 1934-7-27 sn Riverside Palms to Pines Highway- along road Comment
  IRVC2057  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-11 SJ 381 Riverside Santa Rosa mountain Road; middle of slope 20 degree E. Peninsular Ranges, Santa Rosa Mountains 1829 Comment
  LA205748  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  SEINET263205 Image available Monardella nana Michael Curto, Linda Allen 1990-6-18 665 Riverside Santa Rosa Mts; Santa Rosa Mt Rd (SBNF 7S02); ca 3 km W of Santa Rosa Spring CG 1900 Comment
  UC1499851  Monardella nana Carl Epling 1941-6-5 Riverside 1/2 miles below Ribbonwood. Pines to Palms Highway Comment
  SEINET13948605 Image available Monardella nana Helen K. Sharsmith 1954-1 4444 Riverside San Jacinto Mountains, on Forest Service road to Black Mountain ca 1 mile from highway. Between Fuller Creek and Idlewild, San Bernardino National Forest. Alt ca 6500 ft 1981 Comment
  RSA651651  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 3/4 mile beyond the snow gate. Comment
  UC1499831  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside trail to Hidden Lake (along switchbacks); San Jacinto Mts. Comment
  UC1499944  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 92 Riverside Top of Suicide Rock San Jacinto Mts. Comment
  UCR221476  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  UCR17343  Monolepis nuttalliana 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
  POM363583  Monoptilon bellioides A. C. Life 1928-3-17 15744 Riverside Colorado Desert, Painted Canyon Comment
  POM98820  Monoptilon bellioides P. A. Munz 1926-1-31 9952 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA777627  Monoptilon bellioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 764 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR60767  Monoptilon bellioides Steve Boyd, O. Mistretta 1986-3-13 1461 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCSB10245  Monoptilon bellioides Phillips, Priscilla 1958-3-22 Riverside South entrance to Joshua Tree Monument Comment
  UC7827  Montia chamissoi H. M. Hall July, 1901 2362 Riverside Tamarack Valley; San Jacinto Mountains, Tamarack Valley 2743 Comment
  SEINET2153727  Montia perfoliata W. H. Whaley 2002-1 s.n. Riverside along Idyllwild road, at mile marker 21, recent burn site, ca 3/4 mile SE of Mt. Oak Boys Ranch. Comment
  UCR132709  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CLARK-A1528-4755  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Comment
  JOTR33720  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  RSA0078488  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  UCR49990  Muhlenbergia rigens S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  RSA91746  Muhlenbergia rigens F. W. Peirson 1921-3-23 2373 Riverside Deep Canyon south of Coachella Valley 335 Comment
  CAS-BOT-BC83347  Myosurus minimus Frank W. Peirson 1922-5-20 3035 Riverside About 1 mile belwo Kenworthy. Hemet Valley, San Jacinto Mountains. 1386 Comment
  RSA336177  Myosurus minimus subsp. apus Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51964 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SD138817  Myosurus minimus var. apus Craig Reiser Unknown Riverside Hemet; southwestern corner of Florida & Warren Comment
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Mar 24 2011
  UCR280981  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 82 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  SBBG231  Myriopteris clevelandii A. Lefebure -Mar-1942 4810 Riverside Hemet side of San Jacinto Mtns Comment
  SD28079  Myriopteris covillei Carl B. Wolf 1932-5-24 3646 Riverside Snow Creek Canyon, I(c) mile below fish hatchery, north base of San Jacintos mountains 550 Comment
  OBI1212  Myriopteris parryi Hoover 1966-10-15 10167 Riverside Dead Indian Cyn Comment
  UC24129  Nama demissa var. demissa S. B. Parish Apr 4 1896-Apr 13 1896 4128 Riverside Palm Springs (Agua Caliente) Palm Springs (desert base San Jacinto Mt.); , Palm Springs (Agua Caliente) 152 Comment
  UCR274796  Nama demissa var. demissa April Garbat, Sarah J. De Groot 2013-4-30 057 Riverside Sonoran (Colorado) Desert, Ford Dry Lake, north of Hwy I-10 122 Comment
  RSA766605  Nama hispida var. spathulata Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 163 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  POM14431  Nassella cernua P. A. Munz, I. M. Johnston 1922-5-21 5540 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  RSA108340  Nassella cernua Frank W. Gould 1944-4-4 2206 Riverside 12 miles S of Corona on road to Elsinore, alt Riverside County Comment
  RSA681894  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-17 9554 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR133677  Navarretia atractyloides 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
  UCR154763  Navarretia atractyloides T. B. Salvato, Kent Beaman 2005-5-16 788 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
  UCR22128  Navarretia atractyloides Steve Boyd 1980-6-4 312 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA623558  Navarretia fossalis R. E. Riefner 1998-7-10 98 -415 Riverside Menifee Valley Comment
  UCR70679  Navarretia fossalis D. E. Bramlet 1991-6-1 2181 Riverside Perris-Aguanga Basin region, San Jacinto River, open swale area, about 2 km west of Lakeview and 30 m east of the river, about 170 m north of MWD easement road 473 Comment
  UCR90769  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal 456 Comment
  RSA356991  Navarretia prostrata R. F. Thorne 1973-5-23 43860 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  CLARK-A1528-2371  Nemacladus glanduliferus John C. Roos 1966-3-20 Riverside Comment
  SEINET10464882  Nemacladus glanduliferus var. orientalis Raven 1958-3-1 Raven 11748 Riverside U.S. Highway 95, 8.6 miles north of Blythe Comment
  UCR18530  Nemacladus longiflorus var. longiflorus A. C. Sanders 1978-6-20 00259 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR4406  Nemacladus orientalis Frank C. Vasek 1960-3-24 600324- 27 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
  SEINET2068201  Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mouintains, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River valley. (Near 33d 45' N, 116d 51' W.) 670 Comment
  RSA522262  Nemacladus rubescens Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6480 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  UCR279599  Nemacladus tenuis var. aliformis A. C. Sanders, Jim Malusa 2017-3-28 43138 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA439263B  Nemacladus tenuis var. tenuis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA751918  Nemophila menziesii Scott D. White, Justin M. Wood 2009-5-22 12921 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  RSA783108  Nemophila menziesii J. D. Olmsted 1962-5-2 441 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  UCR177946  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 016 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR250193  Nemophila menziesii A. C. Sanders 2014-4-8 40986 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  RSA628826  Nicotiana acuminata A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22232 Riverside Morongo Indian Reservation, lower Hathaway Creek Canyon. 838 Comment
  HSC21281  Nicotiana glauca H. E. Parks 1938-2-16 24097 Riverside Soboba 488 Comment
  SDSU13601  Nicotiana glauca W. Miller 1972-8-8 Riverside Comment
  UCR792  Nicotiana glauca David T. Wright 1966-5-16 s.n. Riverside 1.6 mi SW of Hwy 60 on Jack Rabbit Trail 701 Comment
  UCR91531  Nicotiana glauca Scott D. White 1995-4-5 2714 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA450077  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  SBBG92196  Nicotiana obtusifolia D. F. Howe 1980-4-16 Riverside 4 mi S of Intertstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  UCR198187  Nicotiana obtusifolia Michael Honer, L. Hulse 2004-4-2 1875 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCSB36131  Nicotiana obtusifolia Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua tree national monument, 0.25 miles E. rd 750 Comment
  SBBG120594  Nicotiana quadrivalvis A. C. Sanders 2006-5-19 32426 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  SEINET3077688 Image available Nicotiana quadrivalvis Rodney Hendrick 1965-5-2 Riverside 6 mi west Aguanga on Hwy 71. Comment
  UCR133689  Nicotiana quadrivalvis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CAS-BOT-BC131886  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14919 Riverside 1.5 mi. s.e. of Kenworthy, on road toward [Coahuila] Cahuilla and Aguanga 1524 Comment
  RSA1788  Nolina parryi Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  UCR26376  Nolina parryi A. C. Sanders 1981-7-11 2203 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  POM887  Notholaena californica subsp. californica I. M. Johnston 1918-5-30 1993 Riverside Temescal Canyon. 304 Comment
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Nov 20 2011
  RSA752092  Oenothera alyssoides Mary Edmunds 1932-3-26 33 Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  JOTR34283  Oenothera californica subsp. avita La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3287 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA0036090  Oenothera claviformis Norman C. Cooper 1944-3-26 1028 Riverside Morongo Pass 457 Comment
  UC1922396  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1428 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR90165  Oenothera deltoides R. W. Scora 1966-4-1 3005 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UC1186515  Oenothera primiveris subsp. primiveris E. G. Linsley and J. W. MacSwain 1960-3-2 60 -3 Riverside Hopkins Well Comment
  JOTR35044  Oligomeris linifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3497 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  SBBG25820  Oligomeris linifolia E. R. Blakley 1966-4-9 6748 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  UCSB38667  Oligomeris linifolia Cowan, Clark 1978-4-24 Riverside Dry lake bed of Lake Cahuilla; 2.1 mi (3.3 km) off Ave 66 on a dirt road, 1.3 mi(2 km) on Ave 66 from Hwy 86; Whittaker transect #W-222 (voucher) Comment
  UCR87649  Olneya tesota A. C. Sanders 1994-6-1 14622 Riverside Sonoran (Colorado) Desert, Box Canyon in the Mecca Hills, c. 4.5 mi below Shaver's Well, 12 mi southwest of the Box Canyon Road intersection with Hwy I-10 150 Comment
  CDA7539  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region; Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. S of Oleander Ave., at S end of Patterson Ave. Comment
  SBBG133378  Oncosiphon piluliferum S. Boyd 2003-4-30 10507 Riverside Mira Loma, along Hwy 60 at onramp from Etiwanda Ave to Hwy 60 westbound Comment
  SD262202  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place (Riverside West 7.5'Q) 228 Comment
  UCSB18555  Opuntia basilaris del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.7 miles S of Junction with State Highway 111 914 Comment
  JOTR29440  Opuntia basilaris var. basilaris La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1374 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA355169  Opuntia chlorotica A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6462 Riverside Pinyon Flats, Santa Rosa Mountains, ca. 0.1 mi. S of Hwy 74 on the road to the refuse transfer station and the dolomite mine, S of campground. 1220 Comment
  RSA355168  Opuntia oricola A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 646 Riverside Sandia canyon, south side of Mesa de Burro, just below large water tanks near intersection of De Luz Road & Rancho California Road,Santa Rosa Plateau, Santa Ana Mountains. 457 Comment
  POM317695  Opuntia vaseyi Lyman Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  JEPS46553  Orobanche Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6205 Riverside 20 mi n Desert Center (along the Parker Dam Hwy from Rice to Desert Center, and about 3-4 mi e of eastern base of Coxcomb Mts.); Colorado Desert 243 Comment
  CAS-BOT-BC269273  Orobanche cooperi Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4638 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry) 170 Comment
  CHSC1168  Orobanche cooperi V. Holt 1942-3-27 Riverside Indio. 0 Comment
  JEPS70889  Orobanche cooperi L. R. Heckard 1973-4-24 3321 A Riverside 16.3 mi. n. Desert Center (on rd. to Rice) 243 Comment
  RSA0020373  Orobanche cooperi Duncan S. Bell 2012-3-4 3132 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA0081032  Orobanche fasciculata Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2286 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR26850  Osmorhiza brachypoda E. W. Lathrop 1966-5-17 6536 Riverside Santa Ana Mtns., 4 mi. west of Corona, between Tin Mine Canyon and Santiago Peak 612 Comment
  RSA122751  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mile NE of Keen Camp. 1616 Comment
  CAS-BOT-BC121216  Paeonia californica Robert F. Thorne; E. Lathrop 1969-6-6 39329 Riverside Santa Rosa Plateau, Rancho california 609 Comment
  RSA518449  Paeonia californica C. W. Tilforth, D. Tilforth 1977-3-6 1264 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06. Comment
  UCD134866  Palafoxia arida Dan Axelrod 1932-3-20 s.n. Riverside 8 mi. east of Oasis on Jones Ranch. Comment
  SEINET10799054  Palafoxia arida David B. Dunn 1948-2-21 Dunn 3674 Riverside Seedlings; Pushawalla; a rain about two weeks earlier in wash. Hills are still quite dry. Comment
  POM363747  Palafoxia arida var. arida Christopher Davidson 1979-4-4 7698 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA171048  Palafoxia arida var. arida R. F. Thorne 1963-3-29 32402 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 10 2011
  UC1595689  Palafoxia arida var. arida W. Wisura, J. Dolan, and C. Demme 1992-4-13 4680 Riverside on Box Canyon Road 4.7 mi ne Mecca; Low Desert Comment
  UCD159794  Palafoxia arida var. arida Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  UCSB9919  Palafoxia arida var. arida Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA92216  Palafoxia arida var. arida F. W. Peirson 1924-12-30 5426 Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  CLARK-A1045-224  Panicum urvilleanum George K. Helmkamp 1978-4-1 Riverside Coachella Valley .5 miles south of Interstate highway 10; sandy slope along Bob Hope Drive; Cathedral City 7.5'Q Comment
  SBBG57166  Panicum urvilleanum M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  RSA614534  Papaver californicum A. C. Sanders 1997-5-4 20631 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  SD67091  Papaver californicum E. Norland 1967-5-12 Riverside Temecula Canyon on Santa Margarita River, northwest of Rainbow. Comment
  UCR260591  Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41551 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., opposite So. Cal. Edison Ivy Glen Substation, Temescal Valley at mouth of Mayhew Canyon, west of the I-15 crossing of Temescal Canyon Rd., north of massive mining operation, 0.6 km SE (101 deg. ) of Temescal Fire Station 329 Comment
  SEINET10576906  Parkinsonia Carl C. Epling 1927-3-27 Epling s.n. Riverside Thousand Palms Comment
  UCR120970  Parkinsonia aculeata Jennie Phui 1998-6-3 300 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  UCD108140  Parkinsonia florida Lionel A. Stange 1956-3-31 s.n. Riverside 12 miles east of Mecca on State Highway 195. Comment
  RSA0045572  Parosela emoryi Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs. Comment
  UCR479  Paspalum dilatatum Frank C. Vasek 1959-8-6 590806- 06 Riverside Riverside, O.F. Clarke residence at 1012 Spruce St. 305 Comment
  UCR85427  Paspalum vaginatum A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15885 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 Comment
  UCR239836  Paullinia pinnata O. F. Clarke 2004-8-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  OBI15591  Pectis papposa var. papposa Robert F. Hoover 1966-10-15 10174 Riverside Bighorn Dr, San Jacinto Mts Comment
  JEPS29322  Pectocarya anisocarpa Rimo Bacigalupi and L. Heckard 1962-3-26 8418 Riverside 1 mi n Winchester (extreme se flank of buttes, 8 air mi sw of Hemet); Double Buttes 487 Comment
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Mar 20 2011
  CDA40696  Pectocarya heterocarpa T. C. Fuller 1962-4-4 8000 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  UCR20304  Pectocarya heterocarpa John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UC551833  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside near Hemet; St John's Grade 770 Comment
  UCR167449  Pectocarya peninsularis 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
  UCR74399  Pectocarya platycarpa Theo Glenn 1992-3-31 92 16 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA303585  Pectocarya recurvata J. R. Shevock 1972-3-5 1369 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  UCR47801  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  VVC696  Pectocarya recurvata P. J. MacKay, T. Thomas 1997-2-8 99 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  SD39276  Pectocarya setosa Edith A. Purer 1935-4-21 6451 Riverside Pine Valley, Pines to Palms Highway Comment
  JEPS10750  Pedicularis semibarbata W. L. Jepson 1901-5-25 1449 Riverside Santa Rosa Peak Comment
  UCSB18151  Pediomelum californicum Gates, Mary 1964-5-17 Riverside Pinyon Flats Campground, State Highway 74, 25 miles SE of Indio 1219 Comment
  CAS-BOT-BC69222  Pellaea andromedifolia Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4020 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA686928  Pellaea mucronata Norman C. Cooper 1944-3-24 1032 Riverside Banning. 701 Comment
  RSA686929  Pellaea mucronata Norman C. Cooper 1947-4-5 2034 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SDSU3609  Pellaea mucronata var. mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station side and just ENE of weather station. T8S, R3W, NW 1/4 of NW1/4 of section 26. 329 Comment
  RSA736557  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA96914  Penstemon X parishii R. M. Straw 1954-6-10 602 -b Riverside Lake Fulmor. Comment
  RSA0086590  Penstemon antirrhinoides Bonnie C. Templeton 1930-4-15 1100 Riverside Perris - Gavilan Peak. 607 Comment
  POM229502  Penstemon californicus Philip A. Munz 1969-5-31 15122 Riverside Kenworthy, south end of San Jacinto Mts. 1372 Comment
  UCR189574  Penstemon californicus Theresa Johnson 2006-6-9 161 Riverside Pennisular Range; San Jacinto Mountains, Garner Valley. South of Morris Creek, north of Pipe Creek, c. 0.5 mi east of Highway 74 Comment
  RSA20207  Penstemon centranthifolius Carl B. Wolf 1938-6-11 9418 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  SEINET10299439  Penstemon centranthifolius K. Nakano 1969-4-18 27 Riverside 5.9 mi E of US Hwy 395 on Hwy 71, E of Temecula 152 Comment
  CAS-BOT-BC265293  Penstemon clevelandii subsp. connatus Barbara Ertter; Jeffrey Strachan 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road [Forest Road 7S02] from Highway 74 [Pines to Palms Highway] 1584 Comment
  CLARK-A1528-1221  Penstemon cordifolius Robin L. Kobaly 1972-5-20 RLK 720520 Riverside San Jacinto Mountains 914 Comment
  UC27487  Penstemon grinnellii H. M. Hall 1897-7-28 737 Riverside San Jacinto Mts. Comment
  UCR23082  Penstemon heterophyllus W. W. Mayhew, B. A. Carlson 1981-6-6 s.n. Riverside San Jacinto Mtns, Valley Hi County Park off Hwy 243 1220 Comment
  SD28120  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside San Jacinto Mts. Strawberry Valley, 1 1/2 mi. from Idyllwild on road to Banning 1707 Comment
  UC27467  Penstemon labrosus H. M. Hall 1898-7-2 969 Riverside San Jacinto Mountains San Jacinto Mountains (Southern California) Comment
  RSA282791  Penstemon spectabilis C. W. Tilforth, B. Busenberg 1980-6-10 1982 Riverside 1.0 mi. from Hwy 74 on north leg of Thomas Mtn. Rd., south of Lake Helmet. Comment
  UCR35235  Penstemon spectabilis L. B. Ziegler 1972-5-9 454 Riverside San Jacinto Mtns, San Jacinto Valley 473 Comment
  UCR4114  Penstemon spectabilis Ronald M. Cope 1965-5-3 s.n. Riverside Riverside, on E side of road between Pigeon Pass Rd. and 'Big C', about 0.5 mi from 'C' 610 Comment
  VVC492  Penstemon spectabilis A. C. Sanders, J. Mac 1997-5-4 20676 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  SD181688  Pentachaeta aurea Scott D. White, Bill La Haye 2000-5-27 7953 Riverside San Jacinto Mountains: Baldy Mountain area. 1616 Comment
  RSA0059019  Pentagramma triangularis Marcus E. Jones 1930-3-5 2652 I Riverside Glen Ivy Comment
  UCR124651  Peritoma arborea B. C. Templeton, I. W. Clokey 1930-4-9 1079 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  CAS-BOT-BC355982  Perityle emoryi Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6416 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  RSA4948  Perityle emoryi C. B. Wolf 1932-4-27 3050 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  SD144022  Perityle emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  UCR280614  Perityle emoryi Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-4 417- 01 Riverside Gavilan Hills, Ridge west of dirt road portion of Lake St., 0.8 miles N of Hwy. 15 at Alberhill. 500 Comment
  UCR34955  Perityle emoryi L. B. Ziegler 1973-3-6 496 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  UCSB7390  Perityle emoryi Gunnerson, Robert 1953-3-21 Riverside 9 mi. east of Indio Comment
  CAS-BOT-BC413483  Persicaria amphibia I. M. Johnston 1918-5-30 2027 Riverside Lee Lake, Temescal Canon [Canyon] 335 Comment
  SD114138  Persicaria lapathifolia Darley F. Howe 1945-9-21 1365 Riverside Ditch by road, Arlington Comment
  JOTR33790  Petalonyx thurberi subsp. thurberi La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3103 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  UCR277612  Petalonyx thurberi subsp. thurberi Aaron C. Sedgwick, Joella Adkins, Jennifer Pilapil 2012-8-14 104 Riverside Sonoran (Colorado) Desert, NE of Mecca Hills, south of Hwy I-10, c. 400 m east of Box Canyon Rd. 488 Comment
  RSA621639  Petunia parviflora R. E. Riefner 1998-7-9 98 -281 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA653584  Petunia parviflora A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  RSA450555  Peucephyllum schottii B. A. Prigge 1988-2-21 7848 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  SBBG8666  Peucephyllum schottii K. K. Muller 1952-4-6 559 Riverside E of Shaver Summit Comment
  NY1058215  Phacelia ambigua N. H. Holmgren 1974-3-23 7464 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  RSA653710  Phacelia ambigua Scott D. White 2000-3-23 7637 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA74175  Phacelia ambigua F. W. Peirson 1922-4-9 4126 Riverside Palm Canyon Region, near Palm Springs. Comment
  SEINET3004981  Phacelia ambigua G. Rink, M. Baker 2011-4-1 10408 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  CLARK-A1528-2993  Phacelia brachyloba John C. Roos 1937-6-7 669 Riverside Sage Comment
  RSA263700  Phacelia brachyloba E. W. Lathrop 1968-5-30 6939 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 Comment
  RSA559354  Phacelia brachyloba Steve Boyd, Tim Ross 1992-5-15 7388 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UC1518620  Phacelia campanularia subsp. campanularia Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55439 Riverside talus slope e bridge (mouth of canyon, e of Whitewater Post Office at s end of bridge); San Bernardino Mts., Whitewater Canyon 411 Comment
  POM250359  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  RSA21378  Phacelia campanularia subsp. vasiformis Carl B. Wolf 1937-5-4 8523 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  RSA23218  Phacelia campanularia subsp. vasiformis Ernest Braunton 1940-4-3 2010 Riverside 25 miles Northeast of Indio. Comment
  UC519860  Phacelia campanularia subsp. vasiformis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UC666577  Phacelia campanularia subsp. vasiformis Harlan Lewis and Carl Epling 1942-4-26 1606 Riverside Morongo Wash Comment
  RSA650556  Phacelia cicutaria var. hispida Toppenberg 1961-5-12 s.n. Riverside Palm Springs. Comment
  RSA593695  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8631 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  RSA701088  Phacelia crenulata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11248 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  CDA19646  Phacelia crenulata var. ambigua G. D. Barbe, T. C. Fuller 1973-3-12 1049 Riverside 0.2 mi east of Coachella Canal on state route 195, ca. 5 mi east of Mecca. Box Canyon Wash. 24 Comment
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Mar 10 2011
  JOTR35326  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UC68753  Phacelia crenulata var. ambigua H. M. Hall Apr. 1905 5765 Riverside Cathedral Canyon Colorado Desert 91 Comment
  JOTR31159  Phacelia distans La Doux, Tasha 2009-6-3 1867 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  POM14355  Phacelia distans P. A. Munz, D. D. Keck 1922-4-9 4761 Riverside Shavers Well, near Mecca. 76 Comment
  SBBG6165  Phacelia distans C. H. Muller 1952-4-6 9509 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  UCR104929  Phacelia distans A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20641 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR94238  Phacelia distans Scott D. White 1996-4-14 3902 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UC881283  Phacelia fremontii P. A. Munz and I. M. Johnston 1922-5-7 5254 Riverside Keyes Ranch Little San Bernardino Mts. (along a wash) 1066 Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  SD72110  Phacelia imbricata subsp. patula John Thomas Howell 1927-8-2 2915 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto. Comment
  SEINET10638467  Phacelia lemmonii Philip A. Munz 1937-5-29 Munz 15101 Riverside damp banks, Shumway, edge of Pinyon Flat, Santa Rosa Mts. 4000 feet. 1220 Comment
  RSA180249  Phacelia minor E. W. Lathrop 1965-4-4 5617 Riverside 8 miles west of Murrieta 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
  RSA654551  Phacelia minor Bruce Albert 1982-4-17 77 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UC701984  Phacelia mutabilis Alan A. Beetle 1946-6-10 4344 Riverside ridge at top of Tahquitz Valley Mount San Jacinto 2438 Comment
  RSA428151  Phacelia parryi N. C. Cooper 1944-6-4 2020 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  POM158430  Phacelia ramosissima var. latifolia P. A. Munz 1927-5-21 10849 Riverside San Carlos Pass, near Anza. Comment
  RSA632472  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Gavilan Hills: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. Comment
  UCR75533  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR251303  Phalaris minor T. B. Salvato, Matthew Malle 2014-4-8 7828 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  UCR167933  Phalaris paradoxa T. B. Salvato, Gregg Miller 2005-6-3 1361 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR2662  Phleum pratense F. M. Reed 1906-7-1 1118 Riverside Riverside, in lawns 366 Comment
  JOTR28817  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1085 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  UCR102751  Pholistoma membranaceum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3565 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  CAS-BOT-BC135068  Phoradendron californicum Del Wiens 1953-12-5 866 Riverside Several miles S of Cottonwood Springs, Joshua Tree National Monument 213 Comment
  SEINET2054750 Image available Phoradendron californicum Helen Kennedy, T. B. Salvato 2002-2-2 5455 Riverside Western Colorado Desert: Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec 2. Lower end of construction road, downhill from water-tank, behind a house. Full sun. 195 Comment
  UCR240037  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR48551  Phoradendron californicum J. Glazner 1985-4-5 s.n. Riverside Sonoran (Colorado) Desert, Near Red Rooster resort on Hwy 95 at the Colorado River c. 20 mi. north of Blythe, near mouth of Slaughter Tree Wash 91 Comment
  RSA78286  Phoradendron villosum Philip A. Munz, E. K. Balls 1952-8-21 17969 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  CLARK-A1528-888  Physalis crassifolia Charlotte Stocks 1963-5-26 Riverside La Quinta Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA314638  Physalis crassifolia Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55451 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA339340  Physalis crassifolia Robert F. Thorne, W. A. Tilforth 1980-5-28 54195 Riverside W-facing slope of Whitewater ridge above old bridge. San Bernardino Mtns. Comment
  RSA763993  Physalis crassifolia Justin M. Wood, D. M. Ray 2010-10-21 2998 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR147741  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11216 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  POM49151  Physalis philadelphica Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  RSA0126964  Physalis philadelphica R. E. Riefner 2017-5-18 17 -260 Riverside City of Hemet, E. of Winchester, N of Simpson Road, E. of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  CAS-BOT-BC60791  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside About 30 miles north of Ogilby, along road to Blythe. Comment
  SD125695  Phytolacca americana Don Domenigoni 1986-4-21 Riverside Young property, Hemet. Comment
  RSA667128  Picris echioides A. C. Sanders 2000-11-15 23725 Riverside Moreno Valley, east side of Ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth 476 Comment
  RSA761234  Pinus coulteri Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 720 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB10657  Pinus coulteri Koran, John 1958-4-15 Riverside 3.5 miles east of Idyllwild on main Hwy. to Banning 1463 Comment
  UC64557  Pinus lambertiana H. M. Hall 1901-6-1 2319 Riverside near Tauquitz; San Jacinto Mountains 2682 Comment
  UCR19619  Pinus lambertiana B. Freeman 1969-3-23 690323- 2 Riverside San Jacinto Mtns., James Reserve. north of Indian Creek, 20-30 m from bridge. 1646 Comment
  UCSB74  Pinus lambertiana Haller, John 1950-5-20 Riverside San Jacinto Mtns., upper Strawberry Valley, parking area at foot of San Jacinto Peak trail 1767 Comment
  NY62442  Pinus quadrifolia N. H. Holmgren 1969-6-18 3587 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  UCD134983  Pinus quadrifolia Lionel A. Stange 1956-5-12 s.n. Riverside Fifteen miles south of Banning on road to Idyllwild. Comment
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Mar 13 2014
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  CDA2640  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert; Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. Comment
  SEINET4691425  Plagiobothrys arizonicus T. B. Salvato, Tracy Tennant 1998-1 MOR- 1217 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03. 793 Comment
  UCR158068  Plagiobothrys canescens A. C. Sanders 1997-3-12 19847 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR225727  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-30 38900 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR92712  Plagiobothrys canescens A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18066 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  UCR230215  Plagiobothrys collinus A. C. Sanders 2011-4-6 38986 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UC25041  Plagiobothrys collinus var. californicus W. H. Brewer 1861-2-1 157 Riverside se from mines (center Temescal Range); center Temescal Range Comment
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Jul 6 2010
  SD244103  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy . Chumley 2013-4-2 40747 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 377 Comment
  UCR180146  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-26 9895 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR256760  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7888 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR260517  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7999 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  SD244105  Plagiobothrys leptocladus T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7442 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  UC473483  Plagiobothrys leptocladus John Thomas Howell 1930-5-10 4776 Riverside March Field Comment
  UCR193289  Plagiobothrys tenellus A. C. Sanders, Tim Thomas 2008-6-20 35549 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR97670  Plagiobothrys tenellus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19904 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA192205  Plagiobothrys undulatus E. W. Lathrop 1966-4-24 6202 Riverside 4 miles W of Murrieta Comment
  SD68948  Plagiobothrys undulatus Robert F. Thorne, E. Lathrop, et al. 1968-4-18 37459 Riverside Santa Rosa Plateau; Mesa de Colorado, Rancho California. 609 Comment
  UCR281125  Plantago coronopus Mitch Provance, Jeremiah George 2017-3-23 317- 70 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  RSA525322  Plantago erecta Steve Boyd, D. Bramlet 1990-4-29 4476 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR172285  Plantago erecta John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR281831  Plantago erecta Mitch Provance, Jeremiah George 2017-3-23 317- 76 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  CLARK-A1528-696  Plantago lanceolata Pat Halligan 1968-5-6 Riverside Riverside Comment
  RSA335010  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  JEPS22513  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6196 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  SD258466  Plantago ovata J. M. Andre 2013-3-4 23871 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Highway 95, ca. 12 miles south of Vidal Jct. 127 Comment
  UCR50573  Plantago ovata B. G. Pitzer 1988-3-10 0651 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  RSA402035  Plantago ovata var. fastigiata M. B. Dunkle 1932-3-25 2902 Riverside Near Cathedral Canyon 152 Comment
  UCR103281  Plantago patagonica B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3589 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR239596  Plantago virginica Lynn Sweet 2011-5-10 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs 131 Comment
  POM12757  Platanthera leucostachys Philip A. Munz 1922-7-7 6065 Riverside Meadow N of Tahquitz Valley. San Jacinto Mountains. 2226 Comment
  RSA180285  Platanus racemosa E. W. Lathrop 1964-5-10 5365 Riverside 10 miles west of Murrieta. 610 Comment
  SD229213  Platanus racemosa Dick Schwenkmeyer 2012-5-22 730 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC527330  Platanus racemosa B. D. Stark Nov. 1933 5555 Riverside Andreas Canyon San Jacinto Mts. (desrt side of mts.) Comment
  UCR174245  Platanus racemosa A. C. Sanders, T. B. Salvato 2006-6-2 33073 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
  RSA291600  Platystemon californicus C. W. Tilforth, Walter Wisura 1979-4-11 1782 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  UCR80733  Plectritis ciliosa subsp. insignis Steve Boyd 1992-4-18 6907 Riverside Gavilan Hills, SE end of range, east of Arroyo del Toro 488 Comment
  SEINET3817958 Image available Plectritis macrocera Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  JEPS70532  Pleuraphis rigida W. L. Jepson 1912-10-28 5241 Riverside in the wash near Riverside Mts.; along the Colorado River, near Riverside Mts. 45 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
  RSA778415  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-4 52 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  POM41778  Pleurocoronis pluriseta Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  SBBG55572  Pleurocoronis pluriseta D. Keil, M. McLeod, D. Walters 1977-3-28 12076 Riverside Pinto Basin Rd, 11 mi S of northern park boundary Comment
  UC485541  Pleurocoronis pluriseta F. M. Reed 1917-5-19 3866 Riverside Palm Canyon Colorado Desert Comment
  HSC28064  Pluchea sericea Richard Spjut 1973-5-4 3349 Riverside Colorado Desert, Corn Spring, Chuckawalla Mtns. 305 Comment
  RSA0013700  Poa bulbosa subsp. vivipara LeRoy Gross, Grace Cho 2013-4-9 5998 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UC1618052  Poa fendleriana subsp. longiligula Donald G. Nelson 1936-5-21 373 Riverside e Lake Hemet (n of Mt Thomas, just n of meadow in valley just e of Jurkey Creek Camp area); San Jacinto Mts Comment
  CLARK-A1528-4835  Poa scabrella John C. Roos 1950-3-25 4177 Riverside Reche Canyon 457 Comment
  CAS-BOT-BC243001  Poa secunda subsp. secunda Peter H. Raven 1958-5-17 12941 Riverside 7.4 miles SE of Banning on road to Idyllwild, San Jacinto Mountains Comment
  POM162739  Polygala acanthoclada E. C. Jaeger 1928-01 s.n. Riverside Eagle Mountains: Cottonwood Spring Comment
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Oct 9 2010
  UCR16519  Polygonum aviculare H. C. Sharma 1976-4-20 760420- 05 Riverside UCR area. Across railway line just behind Alphabeta stores 259 Comment
  UCR201626  Polygonum aviculare Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  POM319090  Polygonum lapathifolium Patricia Wilder 1970-10-15 4777 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  UC56641  Polygonum lapathifolium H. M. Hall Aug. 1901 Riverside Vicinity of Riverside 304 Comment
  UC582893  Polygonum lapathifolium Philip A. Munz 1935-10-21 14653 Riverside below Rincon; Santa Ana River Comment
  IRVC3039  Polypodium californicum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 183 Riverside Bee Canyon; San Jacinto Ridge Road. San Jacinto Mountains 701 Comment
  UCR138159  Polypodium californicum D. L. Banks 1997-3-1 1359 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UCSB62761  Polypodium californicum Kiefer, Lawrence 1963-11-3 Riverside Reche Canyon (S of Loma Linda), W side of canyon, N running ravine just inside county line 426 Comment
  UC39758  Polypogon monspeliensis H. M. Hall June, 1901 Riverside San Jacinto Mountains Thomas Valley; , Thomas Valley 1371 Comment
  RSA771110  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4730 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65123 604 Comment
  UCD170905  Populus fremontii A. C. Sanders 2002-3-5 24890 Riverside San Jacinto River Valley, State St. at the NW edge of the town of San Jacinto, near Mt. San Jacinto College on the south side of the river. 457 Comment
  JEPS64527  Populus fremontii subsp. fremontii S. B. Parish 1913-3-28 8471 Riverside Mecca Flats , Mecca Flats (Salton Basin) -60 Comment
  CAS-BOT-BC454042  Potamogeton pusillus subsp. pusillus Robert F. Thorne; D. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  SFV20131  Potentilla glandulosa subsp. reflexa J. N. Hogue 2000-5-31 s. n. Riverside San Jacinto Mountains Bay Tree Spring, along Highway 243. 1585 Comment
  POM366544  Potentilla glandulosa var. nevadensis M. B. Dunkle 1933-7-22 3747 Riverside Tahquitz Valley. 2317 Comment
  CAS-BOT-BC540423  Potentilla gracilis var. fastigiata H. M. Hall 1901-6-1 2296 Riverside San Jacinto Mountains, in the vicinity of Strawberry Valley 1615 Comment
  RSA0005683  Potentilla wheeleri var. rimicola Philip A. Munz, I. M. Johnston 1924-7-27 8764 Riverside Dark Canyon, San Jacinto Mountains. 2409 Comment
  RSA0014817  Proboscidea parviflora subsp. parviflora Aaron C. Sedgwick, Cody Leslie 2012-9-21 126 Riverside Rice Valley - ~10 mi. south of Hwy. 62 on Rice/Blythe Rd. 281 Comment
  LA47470  Prosopis glandulosa var. torreyana Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Oasis Comment
  UC1129888  Prosopis glandulosa var. torreyana H. S. Yates 1937-6-28 6728 Riverside Palm Springs 137 Comment
  UC61545  Prosopis glandulosa var. torreyana Miss Mary McKibben May 1904 Riverside Mecca; Colorado Desert -60 Comment
  UC1128356  Prunus fasciculata R. St. John 1929-4-23 20 Riverside Pinyon Flat 1310 Comment
  RSA314043  Prunus fremontii Walter Wisura 1983-7-9 3918 Riverside 11 mi fr. jctn. with Hwy 111. along Hwy 74. Comment
  RSA453237  Prunus fremontii F. W. Peirson 1922-12-7 s.n. Riverside Andreas Canyon. 610 Comment
  CAS-BOT-BC356597  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2645 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  UC354458  Pseudognaphalium biolettii Edmund C. Jaeger 1925-5-2 Riverside Box Springs Mountains Riverside, Box Springs Mountains Comment
  UCR98065  Pseudognaphalium biolettii A. C. Sanders 1997-3-1 19714 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  JOTR30789  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 Comment
  LA6328  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, Herky Creek Comment
  UCR75551  Psilocarphus chilensis A. C. Sanders 1993-5-12 13996 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  CAS-BOT-BC346365  Psorothamnus Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  SBBG46429  Psorothamnus arborescens C. H. Muller 1952-5-21 9515 Riverside outwash plain at mouth of Morongo Cyn Comment
  UCR87642  Psorothamnus arborescens A. C. Sanders 1994-5-29 14555 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  CAS-BOT-BC353587  Psorothamnus arborescens var. simplicifolius Roxana S. Ferris 1918-6-13 955 Riverside 2 miles east of Banning Comment
  SEINET7048069  Psorothamnus arborescens var. simplicifolius Steven R. Hill 2001-4-29 33546 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
  LA205191  Psorothamnus emoryi Elizabeth McClintock; R. Erickson 1937-11-6 sn Riverside foot of Palms-to-Pines Highway Comment
  SBBG22977  Psorothamnus schottii D. Myrick 1965-3-3 1081 Riverside White Tank Public Camp, Joshua Tree Nat Monument 762 Comment
  UC61516  Psorothamnus schottii M. French Gilman 1902-1 21 Riverside Palm Springs Comment
  UCR59702  Psorothamnus schottii A. C. Sanders 1989-9-19 9506 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  JOTR32400  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Cottonwood Canyon, between Cottonwood and Eagle Mountains; Along Cottonwood Spring Road; Large, active, sandy wash 741 Comment
  RSA264433  Psorothamnus spinosus C. W. Tilforth, Jeff Barnes 1976-7-21 1219 Riverside Along Hwy 195 in large sandy wash, 15 miles NE of Mecca Comment
  RSA404269  Psorothamnus spinosus Christina Clark 1929-3-17 1957 Riverside Palm Canyon Comment
  RSA0062671  Pteridium aquilinum R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  RSA33869  Pteridium aquilinum var. pubescens Norman C. Cooper 1943-9-11 915 Riverside Dr. Robert L. Rutherford's Lot, Idlewild, 1676 Comment
  RSA762186  Pteridium aquilinum var. pubescens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 67 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC729515  Pteridium aquilinum var. pubescens Carl B. Wolf 1932-5-25 3664 Riverside mouth of e fork of Snow Creek Canyon; n base San Jacinto Mts 670 Comment
  UCR37496  Pteridium aquilinum var. pubescens Steve Boyd 1981-2-13 s.n. Riverside Peninsular Range, Gavilan Hills, N base of Estelle Mountain. Comment
  RSA612497  Pterostegia drymarioides D. L. Banks 1997-2-23 1320 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA747566  Pterostegia drymarioides Michael Honer 2003-4-16 1825 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  SBBG103856  Pterostegia drymarioides M. A. Patten 1992-5-7 92 -28 Riverside Via Vaquero at Via Oesta, ca. 5 km W of Temecula, Santa Rosa Plateau Comment
  UC1608272  Pterostegia drymarioides Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon from confluence with Los Alamos Canyon (downstream to concluence with Tenaja Canyon); S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  UCR121302  Punica granatum A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25020 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  RSA772009  Purshia tridentata var. glandulosa Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4964 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  SD247440  Quercus Jeremiah George 2012-8-13 Riverside San Gorgonio Pass/Moreno Badlands: west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end (El Casco 7.5'Q) 715 Comment
  UCR266599  Quercus Mitch Provance 2009-9-10 17427 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  UCD47670  Quercus X acutidens Robert F. Thorne; E. Lathrop 1969-6-6 39348 Riverside Santa Rosa Plateau: Rancho California. 609 Comment
  UCR35009  Quercus X morehus L. B. Ziegler 1966-1 219 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area near May Valley 1555 Comment
  UCR158900  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31551 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  UCR260521  Quercus agrifolia var. agrifolia T. B. Salvato 2014-5-29 8050 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  SD229166  Quercus berberidifolia Dick Schwenkmeyer 2012-3-26 658 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SEINET3101943  Quercus berberidifolia Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17369 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  OBI14295  Quercus chrysolepis H. E. McMinn 1925-7-2 1496 Riverside Tahquitz Peak Trail, San Jacinto Mts Comment
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Jun 21 2012
  UC63841  Quercus cornelius-mulleri H. M. Hall May 1901 1915 Riverside VanDeventer's, e base of San Jacinto Mts., along borders of the Colorado Desert Colorado Desert, San Jacinto Mts. Comment
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Oct 23 2009
  SBBG58953  Quercus kelloggii J. E. Butner 1948-10-3 660 Riverside 1 mi above Fern Valley, end of rd Comment
  UC338415 Image available Quercus macdonaldii var. elegantula Edw. L. Greene 1889-6-1 Riverside Temecula Canyon Comment
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Mar 27 2011
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  RSA215552  Quercus palmeri L. B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley near the Kenworthy Ranger Station 1418 Comment
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Mar 25 2011
  UCD47107  Quercus palmeri Rudolph Fischer 1965-10-8 1 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of keen Camp, Riverside County, California. 1341 Comment
  UCR265851  Quercus palmeri Mitch Provance, Jeffrey S. Ross-Ibarra 1998-8-14 1013 Riverside Jurupa Mountains, Rattlesnake Mtn., Crestmore Heights, knoll (1542), c. 4.2 km NW of downtown Riverside 396 Comment
  RSA736537  Rafinesquia californica Scott D. White 2004-4-26 10266 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR152520  Rafinesquia californica A. C. Sanders 2005-4-22 29592 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  JOTR35148  Rafinesquia neomexicana La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3260 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA726571  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1409 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  VVC1723  Rafinesquia neomexicana Jim Andre, T. La 2009-3-10 11240 Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  SEINET13717527  Ranunculus aquatilis Unknown 1969-5-15 3226 Riverside 6 miles W. of Murrieta on Santa Rosa Plateau at Tenaja Lake; ca. 2 mi. E. of Tenaja Forest Station Comment
  UCR136277  Ranunculus californicus A. C. Sanders 2004-4-20 27558 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
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  UCR174565  Rhamnus ilicifolia Jennifer H. Jones 2006-6-6 398 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA674923  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam De Vries 2000-4-25 7731 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UC1281234  Rhamnus tomentella subsp. cuspidata H. E. McMinn 1935-6-27 4046 Riverside Pines to Palms Highway Comment
  CAS-BOT-BC200028  Rhododendron occidentale var. californicum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA257006  Rhododendron occidentale var. californicum Gary D. Wallace, D. H. Wilken 1966-7-3 656 Riverside Just east of Idyllwild. Comment
  RSA60298  Rhododendron occidentale var. californicum G. R. Campbell 1948-7-4 609 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  CAS-BOT-BC167971  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mts. 1066 Comment
  RSA650233  Rhus ovata Phil Elliott 1981-2-16 10 Riverside S. of Lake Elsinore, On CA Hwy 74. 4.2 miles south of Grand 548 Comment
  SD137932  Rhus ovata Darin L. Banks, Steve Boyd 1995-3-16 108 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove, north slope of Wildhorse Peak on Wildhorse trail 669 Comment
  SD229050  Rhus ovata Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 631 Riverside Mt. San Jacinto 1085 Comment
  UCR117700  Rhus ovata Mitch Provance 1998-6-6 688 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR243158  Rhus ovata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4293 Riverside Transverse Ranges; San Bernardino Mountains, 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
  UCR90964  Rhus ovata Scott D. White 1996-3-16 3820 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA714380  Rhus trilobata T. B. Salvato 2004-5-27 593 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
  CAS-BOT-BC108718  Ribes cereum Louis C. Wheeler 1931-10-3 237 Riverside 1.5 mile north Tahquitz Peak, San Jacinto Mountains. 2514 Comment
  CLARK-A1528-4127  Ribes cereum John C. Roos 1946-8-27 2782 Riverside Santa Rosa Mountains Comment
  RSA472816  Ribes cereum George R. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto summit. 3294 Comment
  UCSB2648  Ribes nevadense Ralph, F. 1959-5-16 Riverside growing near Jolley Springs; on The Devil's Slide Trail; in the Wilderness area of Mt. San Jacinto State Park; San Jacinto Mtns 2133 Comment
  UCR2960  Ribes quercetorum Stewart Jacobson 1963-3-16 630316- 02 Riverside Box Springs Mtns, above UCR, [Big Springs] canyon at [east] end of Big Springs Rd. 518 Comment
  RSA802095  Ribes roezlii var. roezlii Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4984 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA722426  Romneya coulteri Pomeroy 1929-5-11 s.n. Riverside Glenn Ivy Comment
  CAS-BOT-BC92172  Romneya coulteri var. coulteri S. B. Parish 1897-5-29 4394 Riverside Temescal. 396 Comment
  UCR77586  Rorippa palustris subsp. occidentalis Steve Boyd 1991-7-13 6407 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA449716  Rosa californica M. B. Dunkle 1933-7-20 3705 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA544411  Rosa californica Steve D. Boyd, Tim S. Ross 1991-6-14 6379 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
  POM11501  Rubus parviflorus Philip A. Munz 1922-7-6 6028 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  SBBG3103  Rubus parviflorus M. Lewis 1947-8-26 10 Riverside Dark Cyn 1981 Comment
  CAS-BOT-BC433324  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside Mecca. Salton Sink 57 Comment
  RSA561070  Rumex crispus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7343 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA586294  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-5-3 204 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
  UC489273  Rumex salicifolius var. denticulatus C. V. Meyer 1928-7-30 586 Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  POM19661  Rumex salicifolius var. salicifolius Mary F. Spencer 1923-1 2237 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  RSA5232  Sagina saginoides C. B. Wolf 1932-4-5 3958 -A Riverside 1st really wet meadow on trail from Tahquitz Valley to San Jacinto Peak. 2744 Comment
Read comments
Aug 11 2012
  SBBG58867  Salix exigua M. N. Ackley 1928-3-10 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  LA208613  Salix exigua var. exigua Marcus E. Jones; 1930-3-15 26531 Riverside Eagle Mountains Comment
  RSA0010967  Salix exigua var. exigua I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 290 Comment
  LA208628  Salix exigua var. hindsiana Mrs. H. P. Bracelin; 1932-4-12 599 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
  POM122567  Salix gooddingii Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms. Comment
  POM46946  Salix gooddingii Mary F. Spencer 1918-4-8 813 Riverside Palm Springs. 137 Comment
  RSA601106  Salix gooddingii A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18103 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  JOTR30777  Salix laevigata La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1887 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  POM360929  Salix lasiolepis M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek near Aguanga. Riverside and San Diego county line. 610 Comment
  UC1930020  Salix lasiolepis Scott D. White, Justin Wood 2008-5-15 11963 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  JEPS38361  Salix scouleriana W. L. Jepson 1903-8-6 2277 Riverside Dark Canyon San Jacinto Mt., Dark Canyon 1524 Comment
  CDA5807  Salpichroa origanifolia F. J. Willmarth 1964-6-15 Riverside Temecula Hotel, Temecula. 0 Comment
  UCR201981  Salsola paulsenii Karin Cleary-Rose 1997-1 s.n Riverside Sonoran (Colorado) Desert, Coachella Valley, six mile segment of Jefferson St. in La Quinta and Indio, between Indio Blvd. and Ave. 54 10 Comment
  RSA525435  Saltugilia australis Steve Boyd, D. E. Bramlet 1990-4-29 4480 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA123825  Saltugilia splendens P. H. Raven, Richard Snow 1957-7-26 11119 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  RSA627515  Saltugilia splendens Scott D. White, Julie Greene 1998-8-1 6969 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA411318  Salvia apiana N. R. Zabriskie, Walter Zabriskie 1972-4-9 508 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  UC534837  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  RSA543192  Salvia carduacea Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6112 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
  SBBG101700  Salvia carduacea S. Boyd, T. Ross, M. Hammitt 1991-5-2 6112 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371 600 Comment
  JOTR34005  Salvia columbariae La Doux, Tasha, M. Harding 2010-4-7 2893 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
  RSA175251  Salvia columbariae Robert F. Thorne 1963-3-29 32435 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 534 Comment
Read comments
Apr 24 2011
  RSA23267  Salvia columbariae Ernest Braunton 1940-03 2036 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  SD38584  Salvia columbariae E. A. Purer 1935-4-21 6468 Riverside W edge of Colorado Desert Comment
  UC144540  Salvia columbariae C. F. Baker 1904-4-5 4143 Riverside Hemet Comment
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Jul 4 2010
  UCD125516  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCD125732  Salvia columbariae Gordon Pilone 1961-3-1 98 Riverside White Water Canyon, 1/2 mile below fish hatchery. 457 Comment
  UCSB5770  Salvia columbariae Hawkins, L. 1956-4-14 Riverside at entrance to Whitewater Canyon Comment
  UC883901  Salvia eremostachya B. D. Stark 1933-4-2 Riverside 3 mi below Pinyon Flats (Palms to Pines Rd); San Jacinto Mts. 1066 Comment
  RSA0024814  Salvia greatae Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4462 Riverside Orocopia Mountains; south end of range, on the north side of Salt Creek to the north of Clemens Well. 302 Comment
  UCLA70163  Salvia greatae Hall and Greata 1905-4-22 5848 Riverside Canyon Springs Wash; Dos Palmas; Canon Springs Wash, Riverside Co. Comment
  HSC14360  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi. W of Aguanga Comment
  RSA434137  Salvia mellifera Christopher Davidson 1973-4-1 1814 Riverside Hwy 71/79, appx. 7 mi from jct. of 395 south. 412 Comment
  SEINET10581798  Salvia mellifera Nye Leith, Greg Gust 2005-3-11 Nye 65 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UC1124804  Salvia mellifera A. Lewis 1934-3-3 315 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. 609 Comment
  UCR20748  Salvia mellifera A. C. Sanders, Steve Boyd 1980-5-2 01451 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR251936  Salvia mellifera Harun Bektas 2011-4-26 15 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  CLARK-A1528-3123  Salvia mohavensis John C. Roos 1947-2-15 3234 Riverside Eagle Mountain Comment
  JOTR29144  Salvia mohavensis La Doux, Tasha 2005-6-15 1221 Riverside Joshua Tree National Park. Lost Horse Valley; south of Barker Dam trailhead 1310 Comment
  POM171398  Salvia mohavensis I. M. Johnston 1930-6-15 3774 Riverside At extreme SE corner of the Eagle Mountains. Comment
  CAS-BOT-BC233338  Salvia vaseyi Barbara Ertter; Jeffrey Strachan 1980-5-20 3477 Riverside Highway 74, Pines to Palms Highway near Black Hill between Pal Desert and Santa Rosa Mountain 914 Comment
  SD48345  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22670 Riverside 6.6 miles southwest along State Highway 74 from Palm Village (junction with State Hwy. 111) 502 Comment
  UCR207188  Sambucus mexicana Darren T. Hasegawa 2007-4-17 s.n. Riverside Peninsular Range, Box Springs Mountain Park, Riverside, c. 1.5 mi. east of 60 fwy. 427 Comment
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR171897  Sanicula arguta 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
  UCR79221  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  UC1929753  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside TEMESCAL CANYON: Just west of I-15 Freeway and northeast of Lawson Dr. Comment
  RSA343867  Sanicula crassicaulis R. F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60659 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  UCR34989  Sanicula tuberosa L. B. Ziegler 1970-5-14 403 Riverside San Jacinto Mtns, above Hemet Valley on flat top of Pleistocene alluvium 1585 Comment
  CSUSB1165  Schismus arabicus Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  CLARK-A1528-5533  Schismus barbatus John C. Roos 1951-3-24 5033 Riverside Riverside 396 Comment
  UC1146064  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 29093 Riverside 3 mi se of Glen Ivy Hot Springs Comment
  SEINET10597129  Schismus barbatus Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 4046 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Sprins Guard Sta. Chaparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. 488 Comment
  UCR130131  Schoenoplectus americanus I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR130151  Schoenoplectus americanus F. R. Fosberg 1932-3-13 08079 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR201873  Schoenoplectus americanus Justin M. Wood 2008-9-22 152 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCD124837  Scrophularia californica J. S. Ross; T. Tennant, G. White 1998-5-21 MOR 213 Riverside San Bernardino Mountains: Morongo Indian Reservation, upper Hathaway Canyon, ca. 1.25 miles north of the junction of the lower and upper canyons. Comment
  RSA425207  Scrophularia californica subsp. floribunda Christopher Davidson 1977-5-18 5615 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UC1713652  Scutellaria siphocampyloides Elizabeth McClintock 1940-7-21 Riverside near Santa Rosa Springs; Santa Rosa Mountains Comment
  UC25773  Scutellaria siphocampyloides H. M. Hall Aug. 1896 334 Riverside San Jacinto Mountains 1828 Comment
  RSA0074745  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA684086  Selaginella bigelovii Robert Gustafson 1980-5-5 1569 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash 610 Comment
  CAS-BOT-BC62088  Selaginella eremophila L. R. Abrams 1926-3-26 11077 Riverside Palm Canyon Comment
  CAS-BOT-BC62256  Selaginella watsonii Carl B. Wolf 1932-8-5 3976 Riverside San Jacinto Mts., summit of San Jacinto Peak 3293 Comment
  RSA684101  Selaginella watsonii Joseph Andorfer Ewan 1930-9-1 314 Riverside Summit of San Jacinto Mountain. 3294 Comment
  RSA28015  Senecio douglasii var. monoensis C. L. Hitchcock 1940-4-5 5964 Riverside 3 miles below Cottonwood Springs Comment
  UCR241644  Senecio flaccidus var. douglasii T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 362 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR13319  Senecio mohavensis O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, Plateau above Box Canyon, along State Hwy 195, c. midway between Hwy I-10 and the Salton Sea Comment
  UCR279582  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-28 43153 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA449948  Senecio vulgaris J. C. Roos 1967-2-7 s.n. Riverside City of Hemet. Comment
  SFV1759  Senegalia greggii F. L. McPherson 1959-5-9 s. n. Riverside 1 mile south of Palm Springs in the vicinity of Palm Springs Desert Museum. Comment
  UCR85281  Senna armata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument. East side of the Hexie Mtns., SW of Bench Mark 2394, south of Pinto Mtn., & Pinto Basin Road 732 Comment
  SEINET13276827 Image available Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-1 42000 Riverside Peninsular Range: along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. (Pechanga 7.5' Q.) 401 Comment
  SD233238  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessedvia Old Control Road. Spring surrounded by small patch of wetland. 1159 Comment
  CAS-BOT-BC438208  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Temescal Canyon: Warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd. Comment
  RSA87505  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19561 Riverside junction of Pines-to-Palms highway and cutoff to Idyllwild, about 4 miles NW of Hemet Reservoir. Comment
  UCR122537  Sidalcea malviflora subsp. sparsifolia George K. Helmkamp, E. A. Helmkamp 2001-5-20 6664 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  RSA95373  Sidalcea malviflora subsp. sparsifolia F. W. Peirson 1922-5-20 4309 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA801726  Silene antirrhina LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6165 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  UCR177511  Silene antirrhina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32541 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR280626  Silene antirrhina Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 10 Riverside Gavilan Hills, Alberhill Canyon, tower site 0.3 miles east of dirt road portion of Lake St., about 0.8 miles NNE of Lake St. and Walker Canyon Rd. 497 Comment
  UCR27228  Silene lemmonii E. W. Lathrop 1966-5-29 6391 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  CAS-BOT-BC389575  Silene parishii Philip A. Munz 1938-8-13 15329 Riverside Near Santa Rosa Peak 2377 Comment
  CAS-BOT-BC389584  Silene parishii P. A. Munz; E. K. Balls 1952-8-21 17977 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  SBBG33799  Silene parishii R. Moran 1968-8-3 15369 Riverside N slope, 1 mi W of summit, Santa Rosa Mtn 2150 Comment
  GMDRC2591  Simmondsia chinensis J. Andre, T. La Doux 2008-3-21 8834 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  RSA0103314  Simmondsia chinensis Jim M. Andre 2012-4-11 20706 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA421792  Simmondsia chinensis E. C. Jaeger 1922-3-25 754 Riverside Murray Canon, near Palm Springs. 305 Comment
  CAS-BOT-BC74896  Sinapis alba Carl B. Wolf 1936-4-21 7769 Riverside 4 miles west of Riverside and south of Jurupa Road. 304 Comment
  RSA0013620  Sisymbrium altissimum LeRoy Gross, Duncan S. Bell 2013-4-30 6027 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
  RSA594760  Sisymbrium altissimum D. L. Banks, Dylan Hannon 1996-5-3 1002 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
  UCR138917  Sisymbrium altissimum Julie A. Greene 1993-4-3 1077 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  CLARK-A1528-367  Sisymbrium irio David T. Wright 1966-3-19 Riverside Corona Comment
  UC1536928  Sisymbrium irio Gordon H. True Jr. 1935-3-1 33 Riverside Box Springs 365 Comment
  UCR1480  Sisymbrium orientale B. L. Estes 1961-3-30 s.n. Riverside [Riverside, UCR campus] 100 yards SE of the Citrus Experiment Station Administration Building 366 Comment
  RSA335039  Solanum americanum Steve D. Boyd 1985-7-23 1017 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  RSA0020264  Solanum americanum Louis C. Wheeler 1932-9-4 1322 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  RSA516760  Solanum douglasii 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
  SDSU13006  Solanum douglasii Michael G. Simpson 1999-10-27 2048 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  NY826945  Solanum elaeagnifolium D. L. Banks 1996-5-16 1038 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the E side of the road next to a vineyard. 399 Comment
  RSA321314  Solanum elaeagnifolium A. C. Sanders, O. F. Clarke, R. Allert 1984-7-18 5109 Riverside Common in a weedy parking near the intersection of Wheeler and Miller St., near Hunt Park, Arlington area. 259 Comment
  RSA594518  Solanum elaeagnifolium D. L. Banks, Rashmi Pant 1996-5-13 1023 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station (100 m E of where Hwy. 79 leaves the Forest Service Boundary)., On the S side of Hwy. 79. 488 Comment
  CSUSB1318  Solanum lanceolatum Charles Herrick 1974-5-1 Riverside UCR Recycling Center near glass area. Comment
  CAS-BOT-BC237739  Solanum mauritianum A. C. Sanders 1993-1-30 s.n. Riverside Rustin Ave. ca. 1 block N of Spruce St., Riverside East 7.5' Q, Riverside 289 Comment
  UCR207276  Solanum rostratum O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CDA6228  Solanum sarrachoides F. J. Willmarth 1959-5-2 2405 Riverside Gordon Dunlap ranch, Arlington. 0 Comment
  CAS-BOT-BC157238  Solanum umbelliferum M. L. Campbell 1921-3-18 39 Riverside Banning Comment
  RSA427387  Solanum umbelliferum Bonnie C. Templeton 1930-4-9 1080 Riverside Moreno Grade, S.W. of Beaumont 700 Comment
  RSA495462  Solanum umbelliferum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2991 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake dam. 418 Comment
  RSA575822  Solanum umbelliferum Steve D. Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610