Search Results — 2000 specimen records retrieved (1897 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CSUSB1072  Abronia villosa Steven J. Southwell 1971-5-2 Riverside Windy Gap sand dune west of Palm Springs on Highway 111, 100 yards of road. West Colorado Desert. 304 Comment
  RSA314631  Abronia villosa Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Herbst 1983-4-23 55427 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA782198  Abronia villosa Duncan S. Bell 2011-10-22 2985 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SD39330  Abronia villosa var. aurita Florence Post 1931-5-1 Riverside Lake Elsinore Region. Comment
  UCR127362  Abronia villosa var. aurita A. C. Sanders, D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  GMDRC7787  Abronia villosa var. villosa J. M. Andre 2015-3-6 33546 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  JOTR16747  Abronia villosa var. villosa Walters, Jim 1967-3-4 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE 1249 Comment
  RSA0029326  Abronia villosa var. villosa Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4685 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA776904  Abronia villosa var. villosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 964 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UC1922399  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR178579  Abronia villosa var. villosa R. G. Swinney 1967-2-11 0003 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  OBI37474  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Garden weed at Boyd residence, Good Hope Valley area, W of Perris Comment
  RSA592688  Acacia greggii var. arizonica Scott D. White, Duayne Haselfeld 1996-7-2 4272 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  CLARK-A1528-2417  Achyronychia cooperi John C. Roos 1937-4-23 2123 Riverside Garnet Comment
  SBBG56033  Acmispon argophyllus var. argophyllus B. Gustafson 1977-4-7 5586 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  RSA0120632  Acmispon rigidus Duncan S. Bell, Thomas Stoughton 2016-3-17 8961 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  SD258921  Acmispon rigidus Sarah J. De Groot, Cheryl Sevilla 2016-3-15 7635 Riverside Santa Rosa Mountains; Along Dunn Road betyween Haystack and Asbestos Mountans; SW of Palm Desert, NE of Potrero Spring, between Palm and Deep Canyons 1231 Comment
  SBBG16167  Acmispon strigosus H. and M. Dearing 1939-2-10 4630 Riverside Painted Cyn, E of Mecca Comment
  SD167117  Acmispon strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  UCD104447  Acmispon strigosus T. B. Salvato; Kent Beaman 2005-5-16 785 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  RSA588171  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak., 33 deg 27'.024 N - 116 deg 57'.923 W. 597 Comment
  UCR224047  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  JOTR36184  Adenophyllum porophylloides La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3333 Riverside Joshua Tree National Park. Queen Mountain: near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  SD229251  Adenostoma fasciculatum Dick Schwenkmeyer 2012-8-6 764 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCR21920  Adenostoma fasciculatum Steve Boyd 1980-5-11 248 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
  UCR97504  Adenostoma fasciculatum B. G. Pitzer 1997-3-23 2974 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
  RSA608234  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10068 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  CAS-BOT-BC69644  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UC63088  Agoseris grandiflora var. grandiflora H. M. Hall 1901-6-24 Riverside w side Squirrel Creek; San Jacinto Mountains 1676 Comment
  UC63089  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 Riverside in meadows of Thomas Valley; San Jacinto Mountains 1371 Comment
  SBBG59468  Agrostis exarata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UCR39540  Agrostis pallens A. C. Sanders 1980-7-22 1727 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  RSA71928  Aliciella latifolia F. W. Peirson 1921-3-22 2385 Riverside Andreas Canyon, Palm Springs region Comment
  RSA644307  Allionia incarnata Ed LaRue 1993-4-28 s.n. Riverside Colorado Desert: Blythe Landfill, along Blythe-Midland Rd., 3 mi. S of the Big Maria Mtns., 6 mi. W of Colorado R. 121 Comment
  RSA793616  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4197 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  RSA366452  Allium fimbriatum var. fimbriatum N. C. Cooper 1944-4-20 1237 Riverside Pinyon Flats, Palms to Pines Highway. San Jacinto Mountains. 1220 Comment
  CAS-BOT-BC131986  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  UCR172760  Allium haematochiton Abby Sirulnik, Ian G. Gillespie 2000-5-14 47 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  RSA190622  Allium lacunosum var. davisiae L. B. Ziegler 1967-6-25 s.n. Riverside Kenworthy Ranger Station, south end of San Jacinto Mountains. 1616 Comment
  UC1608290  Allium lacunosum var. kernense Steve Boyd, Tim Ross 1992-5-15 7386 Riverside along old Main Divide Road track about 1/4 mi se radio towers (se flank of Elsinore Peak at Onion Hill); Southern Santa Ana Mountains, Elsinore Peak, Onion Hill 1021 Comment
  RSA366486  Allium parishii Frances L. Cramer 1941-5-3 20322 Riverside Joshua Tree National Monument Comment
  UCR101432  Allium peninsulare A. C. Sanders 1997-4-10 20334 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR5959  Allium praecox Kenneth Hibberd 1966-3-27 660327- 01 Riverside Peninsular Range, La Sierra Ave., 2 mi south of Victoria Ave. on the road to Lake Mathews 366 Comment
  UC1931113  Allophyllum divaricatum Scott D. White, Justin Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. Comment
  RSA801955  Allophyllum glutinosum LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6154 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR251961  Alnus rhombifolia Max Brodie 2014-4-6 03 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  SD68947  Alopecurus saccatus Robert F. Thorne, E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau, open dessicated mud at margin of vernal marsh, Mesa de Colorado. 671 Comment
  UC1532831  Alopecurus saccatus Robert F. Thorne and Earl Lathrop 1975-5-25 45549 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  RSA557339  Amaranthus albus Julie Greene 1993-5-12 1324 Riverside San Jacinto Wildlife Area, SE end of visitor center road. E of Davis Rd. 436 Comment
  JOTR30298  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2007-9-6 132 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  POM307317  Amaranthus fimbriatus Henry J. Ramsey, Henry J. Ramsey 1939-10-1 2222 Riverside East of Indio. Comment
  CAS-BOT-BC226254  Amaranthus palmeri A. C. Sanders 2011-9-15 39896 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
  UCR106336  Amaranthus retroflexus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR110377  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23116 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CLARK-A1528-1533  Ambrosia acanthicarpa John C. Roos 1965-9-26 Riverside San Jacinto Mountains Comment
  RSA781884  Ambrosia acanthicarpa Duncan S. Bell 2011-10-22 3002 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET2043617 Image available Ambrosia acanthicarpa H. S. Gentry 1954-7-26 14252 Riverside Dripping Springs, along Rt. 79 Comment
  UCR92765  Ambrosia acanthicarpa F. M. Reed 1933-10-14 8191 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 245 Comment
  LA202918  Ambrosia dumosa A. M. Johnson; 1932-3-19 3874 Riverside below [S of] Palm Springs Comment
  RSA457783  Ambrosia dumosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCD128804  Ambrosia dumosa William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR101565  Ambrosia dumosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR227460  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 172 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, off Box Canyon Road (66th St./Hwy 195), campground east of Mecca 198 Comment
  HSC83015  Ambrosia salsola N. M. Fellows 1985-3-3 77 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  UCR243154  Ambrosia salsola LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4285 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-BC213973  Amsinckia L. R. Abrams 1926-3-26 11057 Riverside Palm Springs to Palm Canyon Comment
  RSA0089991  Amsinckia douglasiana Severauce 1926-2-20 s.n. Riverside Murray Canyon. Comment
  RSA0089634  Amsinckia intermedia Steve Boyd 1986-3-1 1366 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA180514  Amsinckia intermedia E. W. Lathrop 1960-3-24 4664 Riverside 14 miles west of Murrieta. Comment
  SEINET10455555  Amsinckia intermedia A. K. Evans 1976-4-13 Evans 5187 Riverside On same sheet as Dunn 2109, UMO 161837. Rocky slopes of Santa Rosa mountains. Comment
  HSC79040  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside UCR campus, between Lothian Dorm and Watkins Dr. Comment
  UC455990  Amsinckia menziesii var. menziesii I. J. C. O. Edwards 1908-5-31 Riverside Estudillo Rancho; San Marguerita Comment
  UCR120905  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24945 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA796104  Amsinckia tessellata Duncan S. Bell 2009-4-20 316 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC667283  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2224 Riverside 1/2 mi. n. Cottonwood Spring (Eagle Mt.); Colorado Desert, Eagle Mt. 914 Comment
  UCD166280  Anisocoma acaulis Jack Major 1962-4-18 794 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR244405  Anisocoma acaulis Jim Andre 2012-4-16 20955 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  CAS-BOT-BC79937  Antennaria microphylla W. F. Parish 1880-8-1 584 Riverside Summit San Jacinto Mt. Comment
  UC146535  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside San Jacinto Mountains 2834 Comment
  JEPS5302  Antirrhinum coulterianum W. L. Jepson 1928-4-19 12433 Riverside 5 mi n Elsinore 609 Comment
  SD186333  Antirrhinum coulterianum Andy C. Sanders, Mike Misenhelter 2005-6-15 30999 Riverside 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 340 Comment
  SDSU10433  Antirrhinum coulterianum Greg Snyder 1962-5-12 Riverside On South side of Hwy 115 at the entrance sot San Bernardino National Forest. Comment
Read comments
Mar 30 2014
  RSA78730  Antirrhinum filipes Philip A. Munz 1952-4-15 17345 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  UCR233157A  Antirrhinum filipes Jim Andre, Glenn L. Clifton 2011-2-22 17455 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SD227898  Antirrhinum nuttallianum A. C. Sanders 1994-5-15 14492 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  RSA110417  Antirrhinum nuttallianum subsp. nuttallianum Verne Grant 1955-7-13 20964 Riverside On burned chaparral slopes; with Adenostoma, Arctostaphylos, Diplacus; on crest of Santa Ana Range, Ortega summit 1067 Comment
  RSA192320  Antirrhinum nuttallianum subsp. nuttallianum H. A. Zuill 1966-6-23 236 Riverside San Mateo canyon about 12 miles SW of Murrieta. Comment
  RSA501015  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3134 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
  RSA519254  Apiastrum angustifolium 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
  UCR135828  Apiastrum angustifolium A. C. Sanders 2004-4-20 27519 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
  RSA403081  Apocynum androsaemifolium M. B. Dunkle 1933-7-21 3730 Riverside Idyllwild 1616 Comment
  POM366956  Aquilegia formosa var. truncata M. B. Dunkle 1933-7-20 3704 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR193890  Arabis glabra A. C. Sanders, Mitch Provance 2008-7-11 35821 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR80818  Arabis glabra Scott D. White 1993-5-29 1481 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UC667363  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument 1249 Comment
  RSA66252  Arabis johnstonii F. W. Peirson 1922-5-21 3030 Riverside Along east side of Hemet Valley 1357 Comment
  RSA78728  Arabis pulchra P. A. Munz 1952-4-15 17346 Riverside Ridge south of Pleasant Valley, Joshua Tree National Monument 1220 Comment
  POM184120  Arabis pulchra var. gracilis P. A. Munz, CL Hitchcock 1932-4-9 12242 Riverside 10 miles SE of Windmill Tank Comment
  SEINET10320300  Arceuthobium campylopodum E. G. Anderson 1935-8-21 6574 Riverside Idyllwild-Banning. 1650 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
  UCR273501  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42601 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  RSA19996  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet. 630 Comment
  RSA629405  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19524 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629423  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16846 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA631745  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15530 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631771  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15078 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631772  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16555 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631780  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19277 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA632643  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16585 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  SD113839  Arctostaphylos glauca Darley F. Howe 1969-5-15 4592 Riverside 0.3 mi. E of Dripping Springs campground 490 Comment
  SEINET10627175  Arctostaphylos glauca Greg Gust, Leith Nye 2005-3-11 Gust 551 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  SEINET2028704 Image available Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 miles southwest of summit of Moreno Grade, bad Lands, southwest of Beaumont. 610 Comment
  RSA633529  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20121 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633554  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21792 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633704  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16674 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633740  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20157 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635200  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16778 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  CAS-BOT-BC46552  Arctostaphylos patula H. M. Hall 1901-6-1 2419 Riverside San Jacinto Mts. Tauquitz Valley. 2438 Comment
  CAS-BOT-BC44372  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  POM367448  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
Read comments
Mar 24 2011
  RSA750750  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SBBG54018  Arctostaphylos pungens R. S. Woglum 1937-5-22 575 Riverside Santa Rosa Mtns, near Santa Rosa Indian Reservation Comment
  POM305341  Arctostaphylos rainbowensis Henry J. Ramsey, Henry J. Ramsey 1938-2-25 677 Riverside Temecula Comment
  RSA559374  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19484 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  RSA585641  Arctostaphylos rainbowensis D. L. Banks, S. D. Boyd 1995-3-15 0076 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  SD135211  Arctostaphylos rainbowensis Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-11 19485 Riverside Eastern Santa Margarita Mtns., W of Temecula, off Colman Rdl, 0.8 km N of Carancho Rd. and W of De Luz Rd. 170 Comment
  SD135192  Arenaria macradenia subsp. macradenia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern flanks of Santa Rosa Peak Comment
  SFV21857  Argemone corymbosa J. R. Pucci 2001-5-7 14 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  RSA0123182  Argemone munita Duncan S. Bell, LeRoy Gross 2016-3-30 9170 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UC488976  Argemone munita C. V. Meyer 1927-6-1 208 Riverside San Jacinto Mountains, Foot of Idyllwild Grade Foot of Idyllwild Grade; San Jacinto Mountains, Foot of Idyllwild Grade 762 Comment
  UCR120913  Argemone munita A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24952 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CAS-BOT-BC137652  Aristida adscensionis C. L. Hitchcock 1940-3-30 s.n. Riverside Cottonwood Spring. Comment
  SD248063  Aristida adscensionis J. M. Andre 2014-1-27 26667 Riverside Riverside Mountains; at mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR2156  Aristida adscensionis F. M. Reed 1926-5-8 5324 Riverside Perris Basin, Rocky hill near Good Hope Mine Comment
  UCR274669  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-18 132 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 99 Comment
  UCR92639  Aristida adscensionis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  SEINET4342621  Aristida californica N. D. Atwood 1993-3-27 17690 Riverside Sandy benches above and adjacent to coast. Corona Del Mar State Park along Newport coast Drive 30 Comment
  UC1130848  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  UCR112019  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  IRVC14696  Artemisia californica Victoria Sork 1973-4-5 sn Riverside Elsinore; 1.5 mi. N, 0.5 mi. W of intersection of Hwys 74 and 71. Comment
  RSA545214  Artemisia californica R. F. Thorne 1970-10 41875 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA638202  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  HSC25817  Asclepias albicans R. W. Spjut 1972-3-20 2287 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  UCR24890  Asclepias californica A. C. Sanders 1981-7-22 01745 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  RSA69917  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Near mouth of Thousand Palms Canyon, Coachella Valley 91 Comment
  SBBG5721  Asclepias subulata M. A. Piehl 1963-9-18 63841 Riverside US 60, 70, 7.5 mi W of jct with Joshua Tree Monument Rd 373 Comment
  SBBG5722  Asclepias subulata H. and M. Dearing 1940-11-10 5009 Riverside Thousand Palms Cyn 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
  SDSU2729  Asclepias subulata D. F. Howe 1963-5-15 3480 Riverside 26.5 miles west of Desert Center on #195. 457 Comment
  UCR16093  Asclepias subulata K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  RSA85574  Aspidotis californica J. C. Roos 1952-4-9 5499 Riverside north side of Mt. Rubidoux 381 Comment
  SEINET235114  Aspidotis californica F. M. Reed 1920-4-20 5829 Riverside Summit of Grade between Pala & Tewedula 914 Comment
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Sep 20 2013
  UC218669  Aspidotis californica Munz and Harwood 1920-2-28 3236 Riverside 2 mi se Corona 274 Comment
  RSA5226  Aster alpigenus var. andersonii C. B. Wolf 1932-8-5 3953 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA740075  Aster ascendens Scott D. White, Justin M. Wood 2008-6-16 12138 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  POM17575  Aster bernardinus Dr H. Baer 1923-9-23 s.n. Riverside 2 miles S of Murietta. Comment
  SEINET898556  Astragalus acutirostris Annie M. Alexander, Louise Kellogg 1941-1 2126 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  JEPS20775  Astragalus aridus Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13229 Riverside 2.4 mi s Rice (on road to Midland and Blythe); s of Rice Comment
  RSA3978  Astragalus aridus C. B. Wolf 1932-4-29 3116 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  POM9366  Astragalus aridus Mary F. Spencer 1920-2-24 1483 -a Riverside In desert sand. Comment
  RSA0002830  Astragalus chuckwallae P. A. Munz, D. D. Keck 1922-4-9 4779 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 762 Comment
  CLARK-A1703-1198  Astragalus coccineus Robin L. Kobaly 1977-3-31 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC177732  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  RSA415452  Astragalus crotalariae Miss Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. [county not specified] Comment
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Sep 7 2016
  UCR108487  Astragalus didymocarpus A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al 1995-3-19 16188 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA779009  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-4-1 643 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  UC68629  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5940 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  UCR127361  Astragalus douglasii A. C. Sanders, D. Malueg 2003-5-8 26563 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UC81306  Astragalus douglasii var. douglasii S. B. and W. F. Parish Apr. 1882 1407 Riverside Morongo Comment
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Jul 4 2007
  UC862990  Astragalus douglasii var. parishii Carl B. Wolf 1932-8-4 3923 Riverside on road to Banning 1 1/2 mi from Idyllwild (Strawberry Valley, San Jacinto Mts.); San Jacinto Mts., Strawberry Valley, 1 1/2 mi fr Idyllwild 1706 Comment
  RSA92568  Astragalus gambelianus J. C. Roos, L. Roos 1952-5-19 5689 Riverside On hills N of Moreno. 518 Comment
  CLARK-A1656-615  Astragalus lentiginosus var. coachellae Milton Walker 1978-1-27 Riverside Palm Springs 152 Comment
  RSA707592  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 01 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  CAS-BOT-BC187376  Astragalus lentiginosus var. variabilis Peter H. Raven 1958-5-5 12903 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  RSA776840  Astragalus nuttallianus var. austrinus Amber Swanson, Duncan S. Bell 2011-3-18 225 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  JOTR34280  Astragalus palmeri La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3295 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA415417  Astragalus palmeri L. E. Hoffman 1932-11-26 s.n. Riverside Pinon Flats, San Jacinto Mts. Comment
  CSUSB1291  Astragalus pomonensis Leland R. Dykes 1962-4-22 42 Riverside Santa Ana Mountains Santa Ana Mountains. San Mateo Canyon Road. 7 miles west of Palomar Road, Murrietta. Comment
  CSUSB1292  Astragalus pomonensis Heather Johnston 1967-4-9 040967 2 Riverside 1.2 miles south on Lawless Road from Route 395 exit. 50 yards up turnoff road, 5 yards from roadside (right side). 365 Comment
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Apr 6 2013
  UC718549  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside 1 mi w Val Verde (Gavilan Hills Region); , w of Val Verde 487 Comment
  POM9086  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-2-28 3253 Riverside 3 miles west of Corona. 305 Comment
  UCR108994  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 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
  SEINET2044652 Image available Atrichoseris platyphylla George Helmkamp 1995-3-16 Riverside Colorado Desert: desert pavement on alluvial fan below rocky slopes of Coxcomb Mountains, W of Rice Rd., 10.3 miles NE of Desert Center, 198 Comment
  UCR244423  Atrichoseris platyphylla Jim Andre 2012-4-16 20918 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  CLARK-A1528-393  Atriplex canescens Charlotte Stocks 1951-9-15 Riverside Coachella Indio 7.5'Q Comment
  POM318799  Atriplex canescens Patricia Wilder 1971-9-29 5282 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  SD143554  Atriplex canescens R. D. Goeden, D. W. Ricker 1978-11-16 Riverside Coachella Valley: Indio, Monroe St. 6 Comment
  RSA5448  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
  RSA696733  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
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Sep 10 2011
  RSA452372  Atriplex canescens var. linearis T. S. Clare 1930-4-14 s.n. Riverside Salton Sea. [Imperial to Riverside Co] Comment
  UCD169503  Atriplex coronata var. notatior Mitch Provance 2005-5-17 6594 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 396 Comment
  UCR241784  Atriplex coronata var. notatior A. C. Sanders, Timothy W. Chumley 2013-3-29 40721 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, vacant lot between burned house and fenced equipment yard, 0.6 km SE of Pierce St. 384 Comment
  UCR70526  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2196 Riverside Perris-Aguanga Basin region, San Jacinto River area, c. 1.8 km south of intersection of Pozos Ave. & Ramona Expressway; c. 500 m west of the river & 2 m east of Pozos Ave. 473 Comment
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Dec 9 2014
  UCR27595  Atriplex davidsonii John C. Roos 1962-5-24 s.n. Riverside San Jacinto Valley, Flats west of Hemet Comment
  UCR165816  Atriplex hymenelytra John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  POM278734A  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 581 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  CAS-BOT-BC176533  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  RSA0104081  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  SD87784  Atriplex polycarpa Frank W. Peirson 1927-11-25 7678 Riverside 1000-Palm Canyon. 120 Comment
  SEINET4135517  Atriplex polycarpa Faulkner 1978-3-21 339 Riverside 9 miles N of Blythe on Hwy 95.; 0 152 Comment
  RSA556460  Atriplex serenana var. davidsonii Julie Greene 1993-4-30 1247 Riverside San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, E of Davis Road. 433 Comment
  RSA727611  Atriplex serenana var. serenana R. E. Riefner 2006-8-13 06 -394 Riverside Perris-Aguanga Basin: SW of Perris along Hwy 74 at Good Hope, NE of Betty Rd. 470 Comment
  UCR182322  Atriplex suberecta Mitch Provance 2003-4-18 6605 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  CLARK-A1528-39  Avena barbata C. M. Flanagan 1973-5-20 OO 507 Riverside Morongo Indian Reservation 1158 Comment
  RSA342555  Avena barbata R. F. Thorne, C. W. Tilforth 1980-5-28 54211 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  POM213084  Baccharis brachyphylla C. B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  RSA30289  Baccharis brachyphylla C. B. Wolf 1942-10-13 11437 Riverside Morongo Pass, 3/4 mile below San Bernardino County line 671 Comment
  SD249125  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon to the north of Martinez Canyon, ca. 6.0 air miles southeast of the summit of Martinez Mountains. 394 Comment
  RSA614091  Baccharis emoryi A. C. Sanders, C. L. Sanders 1994-12-4 15882 Riverside Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas., Marked ''seep'' on Durmid 7.5' Quad. -23 Comment
  RSA289855  Baccharis salicifolia B. A. Prigge 1980-12-15 4124 Riverside Coachella Valley Stormwater Channel: 3.5 mi. S of Mecca -69 Comment
  UCR174146  Baccharis salicifolia A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32580 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
  SDSU13346  Baccharis salicifolia subsp. salicifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 31 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the Gorge, west of the pipe line crossing. 239 Comment
  CAS-BOT-BC99821  Baccharis sarothroides Carl B. Wolf 1932-10-13 4310 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  RSA89881  Baccharis sarothroides J. C. Roos 1950-10-28 5021 Riverside Box Springs. 473 Comment
  POM184191  Baccharis sergiloides M. French Gilman 1932-11-30 s.n. Riverside Whitewater Point. Comment
  SEINET2045193 Image available Baccharis sergiloides Dave Charlton 1986-12-26 647 Riverside Coxcomb Range, at E end of Joshua Tree National Monument, northernmost W-facing large canyon in the range, just N of Specter Peak 915 Comment
  CAS-BOT-BC295896  Bahiopsis parishii Ivan Johnston 1917-4-4 1060 Riverside Colorado Desert. Palm Canyon 457 Comment
  RSA346254  Bahiopsis parishii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54062 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  CHSC46064  Baileya multiradiata Troy Griffiths 1988-4-1 100 Riverside Vic. of Living Desert Reserve, ca. 3 mi SE of Palm Desert. 60 Comment
  CAS-BOT-BC99955  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  OBI27063  Baileya pauciradiata Unknown 1974-3-19 Riverside Rte I-10 frontage rd at Indian Wells Washington St, 6 mi E of Thousand Palms Comment
  SBBG7791  Baileya pauciradiata H. and M. Dearing 1937-4-10 2864 Riverside ca. 16 mi N of Indio Comment
  SEINET2047551 Image available Baileya pauciradiata Shirley Hill 1963-3-13 630313 Riverside 500 yards down desert wash on Vista Chino St., Palm Springs Comment
  RSA571292  Barbarea orthoceras Steve Boyd, D. L. Banks 1994-4-5 8272 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  RSA795919  Bebbia juncea Duncan S. Bell 2009-4-19 291 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UC68957  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5841 Riverside near Salton; Colorado Desert -45 Comment
  RSA439857  Bergia texana S. B. Parish 1891-11-3 s.n. Riverside Elsinore Lake. Comment
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Aug 8 2010
  RSA69817  Bidens frondosa J. C. Roos 1951-9-25 5265 Riverside Fairmount Park 259 Comment
  CAS-BOT-BC16095  Boechera californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside San Jacinto Mountains. Northwest of Idyllwild. Along fire road south of south end Marion Ridge Road, Pine Cove. 1938 Comment
  UC123745  Boechera platysperma F. M. Reed 1908-7-13 2527 Riverside Tahquitz Ridge San Jacinto Mountains 2590 Comment
  JEPS61277  Boerhavia coccinea W. L. Jepson 1928-4-25 12611 Riverside Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  UC465452  Boerhavia coccinea F. M. Reed 1917-5-19 3849 Riverside Colorado Desert, Palm Canyon Comment
  SD255216  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley north of I-10. 106 Comment
  CAS-BOT-BC434516  Boerhavia diffusa T. C. Fuller 1968-7-17 17388 Riverside 288 E. Main St., San Jacinto Comment
  CLARK-A1528-3270  Boerhavia torreyana John C. Roos 1965-9-26 Riverside Santa Rosa Mountains 701 Comment
  JOTR30751  Boerhavia triquetra La Doux, Tasha, Jim Andre 2007-9-6 134 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA751509  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park: Among boulders on NE end of Splitrock Picnic Area. 1327 Comment
  UCR215596  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 348 Riverside Mojave Desert, Joshua Tree National Park, northeast end of Splitrock Picnic Area 1327 Comment
  UCR103786  Bolboschoenus maritimus subsp. paludosus Scott D. White 1994-10-17 2466 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR89728  Bouteloua barbata J. M. Stewart 1990-9-23 657 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  SEINET11687202  Bouteloua barbata W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5194 Riverside Eagle Mountains Comment
  JEPS20764  Bouteloua barbata var. barbata Roxana S. Ferris and Rimo Bacigalupi 13240 Riverside Hwy US 95 11.3 mi n Blythe (wash arising in mts); Big Maria Mts. Comment
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Jun 2 2012
  JOTR30752  Bouteloua barbata var. barbata La Doux, Tasha, Jim Andre 2007-9-6 135 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UC205205  Bouteloua barbata var. barbata G. B. Grant 1900-1 6737 Riverside Palm Springs Colorado Desert Comment
  UCR189571  Boykinia rotundifolia Theresa Johnson 2006-7-18 234 Riverside Santa Ana Mountains, on border of Riverside/ Orange County off the lower Holy Jim Trail 1232 Comment
  OBI4180  Brandegea bigelovii Robert F. Hoover 1966-10-15 10170 Riverside Dead Indian Cyn Comment
  OBI8337  Brandegea bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12059 Riverside Along Box Cyn Rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  RSA0124121  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  UC1595706  Brandegea bigelovii W. Wisura, A. King, L. Newcomb 1992-4-10 4677 Riverside n of West Palm Springs (Gorgonio Pass, Stubbe Canyon); Gorgonio Pass, Stubbe Canyon Comment
  UC50321  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  CAS-BOT-BC36845  Brassica tournefortii Ira L. Wiggins 1941-3-24 9569 Riverside 0.3 mile south of Myonia, 4.6 miles north of Indio. Comment
  RSA0112087  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. 452 Comment
  CAS-BOT-BC106335  Brickellia atractyloides var. arguta W. L. Jepson 1928-4-24 s.n. Riverside On the rocky walls of canyon below spring, Cottonwood Spring 2407 Comment
  CAS-BOT-BC106186  Brickellia desertorum Scott D. White 1996-9-22 4527 Riverside Lakeview Mts - N of Homeland, along Juniper Flats Rd., ca. 1.2 road miles N of intersect. w/St. Hwy. 74. 502 Comment
  RSA191990  Brodiaea filifolia E. W. Lathrop 1966-5-1 6237 Riverside 3 miles W of Murrieta Comment
  UCR112147  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside Riverside, residential garden of O.F. Clarke at 1012 Spruce Street 305 Comment
  RSA559434  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD233246  Bromus carinatus Scott D. White, Justin M. Wood 2009-5-22 12896 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  SEINET244212 Image available Bromus carinatus var. carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  RSA597943  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside Riverside., (Near 33 deg 57.5'N, 117 deg 21'W.) 290 Comment
  UCR2217  Bromus catharticus F. M. Reed 1907-2-12 1205 Riverside Riverside, Arroyo Tequesquite, Bluffs Ranch 274 Comment
  JOTR35183  Bromus catharticus var. catharticus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3279 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA179507  Bromus diandrus E. W. Lathrop 1959-5-17 4535 -A Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  SD146100  Bromus madritensis subsp. rubens B. Pitzer, J. Ross 1998-3-8 3595 Riverside 395 Comment
  RSA326157  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 768 Riverside San Jacinto Mountains; Idyllwild along Tollgate Road at bridge crossing of Strawberry Creek. 1524 Comment
  UCR21938  Bromus rubens Steve Boyd 1980-5-11 227 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
  UCR234258  Bromus rubens A. C. Sanders 2012-4-12 40032 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  UCR97454  Bromus rubens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19843 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM10016  Bromus rubens C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jun 30 2012
  RSA716814  Bromus sterilis T. B. Salvato, Kent Beaman 2005-5-16 874 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  CAS-BOT-BC227261  Bromus tectorum A. C. Sanders; T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range: city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA0020664  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3599 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA748342  Bromus tectorum Justin M. Wood, Brandy Wood 2009-6-13 883 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA0020668  Bromus tectorum N. C. Cooper 1944-5-20 1295 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UCR2253  Bromus tectorum var. nudus F. M. Reed 1920-6-14 4443 Riverside San Jacinto Mountains, Open places in Strawberry Valley 1646 Comment
  SEINET2060496 Image available Caesalpinia E. R. Blakley 1952-8-17 B- 1558 Riverside Shavers Summit 515 Comment
  RSA405296  Caesalpinia virgata Robert Gustafson 1980-4-3 1530 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  RSA498294  Caesalpinia virgata Robert M. Perkins, H. de Forest 1937-3-15 399 Riverside 20 miles East of Indio. Comment
  RSA86999  Caesalpinia virgata F. W. Peirson 1917-4-1 s.n Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  UCR18980  Caesalpinia virgata John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  RSA0120322  Calandrinia ciliata Duncan S. Bell 2016-3-13 8924 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  RSA466561  Calandrinia ciliata Ora M. Clark 1929-4-7 2040 Riverside S. Hemet. Comment
  UCR111602  Calandrinia ciliata Mitch Provance 1998-4-8 1776 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR172199  Calandrinia ciliata 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
  UCR178838  Calandrinia ciliata T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 A Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCR18880  Callitriche marginata John C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs 488 Comment
  UCSB9236  Calocedrus decurrens Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 14 Lower Montane Community 1524 Comment
  SEINET10531073  Calocedrus decurrens James S. Miller 1992-5-8 Miller 7469 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  RSA588180  Calochortus concolor Darin L. Banks, Steve Boyd 1995-6-27 737 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Crosley Road, S of the Cutca Road junction; Approximately 1/8 mile S of the junction between the Cutca and Crosley Roads. 792 Comment
  RSA79328  Calochortus concolor Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17280 Riverside Highway 74, W of junction with road from Idyllwild. 1067 Comment
  UCR119822  Calochortus plummerae Mitch Provance 1998-6-24 750 Riverside Jurupa Mountains, Glen Avon Heights, area north of the end of Lindsay St. 253 Comment
  UCR133445  Calochortus splendens Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 455 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR168414  Calochortus splendens Gale Sphon 1959-5-2 325 Riverside Peninsular Ranges; Santa Ana Mountains region, Cleveland National Forest, between Upper and Lower San Juan Camps, 'Orange County 488 Comment
  JOTR32182  Calycoseris parryi Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  UCR80520  Calycoseris parryi D. E. Bramlet 1991-5-9 2134 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  RSA510055  Calycoseris wrightii B. Pitzer 1988-3-10 653 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR279416  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-25 42996 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SDSU18680 SDSU18680
Image available
Calyptridium monandrum Kristen Hasenstab, M. G. Simpson 2008-4-1 46 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  UCR86876  Calyptridium monandrum A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16242 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  SD146299  Calystegia macrostegia subsp. intermedia Mitch Provance 2000-6-24 2042 Riverside Riverside; Santa Ana River Wash, between the Market Street bridge and the 60 Freeway. 244 Comment
  UCR1647  Calystegia macrostegia subsp. tenuifolia William R. Bowen 1962-4-15 030 Riverside Cajalco Canyon near Lake Mathews 427 Comment
  CAS-BOT-BC199280  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  HSC78663  Camissonia bistorta R. F. Thorne, Drs. Fosberg, Herbst, Sachet 1983-4-23 55481 Riverside Sandy wash along Whitewater River where road crosses river below fish hatchery, ca. 4 mi N of Whitewater Post Office 640 Comment
  RSA496457  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3073 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR20791  Camissonia bistorta A. C. Sanders, Steve Boyd 1980-5-2 1416 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR280967  Camissonia bistorta Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 35 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  SEINET3005072  Camissonia brevipes G. Rink 2011-5-1 10510 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR41604  Camissonia brevipes A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6027 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA772126  Camissonia californica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4831 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA701085  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11240 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
  RSA449213  Camissonia claviformis subsp. aurantiaca Robert M. Perkins, H. de Forest 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA462362  Camissonia claviformis subsp. aurantiaca A. N. Dunn, A. M. Martin 1932-2-26 s.n. Riverside Coachella Comment
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May 24 2012
  RSA614564  Camissonia claviformis subsp. claviformis George K. Helmkamp 1988-4-4 3136 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). [UTM 10km cell: 11SPH-4E, 3N. Desert Center] 457 Comment
  UCR142853  Camissonia claviformis subsp. claviformis I. M. Johnston 1917-4-4 1076 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  SDSU3349  Camissonia confusa H. Wedberg 1958-3-30 187 Riverside At Upper San Juan Campground, on Hwy 74. Comment
  UCR36042  Camissonia confusa R. F. Thorne, Et al. 1983-4-23 55481 Riverside San Bernardino Mtns, Sandy wash along Whitewater River where road crosses river below fish hatchery, c. 4 mi north of Whitewater Post Office 640 Comment
  UCR42389  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UCR43745  Camissonia confusa R. F. Thorne, C. W. Tilforth 1980-5-28 54221 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  SEINET7040179  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.6 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 488471mE, 3712748mN. Comment
  RSA262088  Camissonia hirtella E. W. Lathrop 1968-6-1 6960 Riverside Main Divide Truck Trail between El Carriso [El Cariso] and San Mateo Canyon. Cleveland Nat'l. Forest. 1220 Comment
  CAS-BOT-BC176433  Camissonia intermedia Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley: Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., W of the railroad tracks 360 Comment
  SEINET238524  Camissonia micrantha Mitch Provance 1998-3-31 307 Riverside Jurupa Mountains: Pyrite Canyon 'Deep Pyrite Dune' ca 0.3 km S of the end of Savonia Dr. in Southridge Fontana just 335 Comment
  RSA0031748  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4465 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  RSA339683  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1980-5-28 54161 Riverside San Bernardino Mts: Dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. Comment
  UCR130119  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR163087  Camissonia refracta B. G. Pitzer 2000-5-7 4146 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA793019  Camissonia strigulosa Justin M. Wood 2011-4-4 3407 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UC20533  Camissonia strigulosa H. M. Hall May 1899 Riverside San Jacinto Mountains 1828 Comment
  OBI29873  Camissoniopsis bistorta Melissa Luckow, Rhonda Riggins 1982-4-15 828 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  RSA0112637  Camissoniopsis confusa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23904 Riverside Perris-Aguanga Basin region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta. 396 Comment
  SD143801  Camissoniopsis hirtella A. C. Sanders, P. MacKay, et al. 1997-5-4 20635 Riverside San Jacinto Mountains, north side along Highway 243, 1.5 mile below Twin Pines Ranch Road. 1067 Comment
  SDSU3367  Camissoniopsis hirtella H. Wedberg 1958-5-18 305 Riverside At view-type parking area west of Mountain Center, San Jacinto Mountains. Comment
  JOTR34272  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3288 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
  RSA612807  Capsella bursa-pastoris D. L. Banks 1997-3-1 1362 Riverside NW Palomar Mountains, Agua Tibia Mountains: 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. 423 Comment
  UC10417  Cardamine californica var. integrifolia W. H. Brewer Jan 1861 138 Riverside Agua Fria Canyon; Santa Ana Mountains Comment
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Jul 5 2010
  UC537214  Carex heteroneura M. E. Jones Sep 1933 Riverside San Jacinto Mts. Comment
  RSA608475  Carex heteroneura var. heteroneura L. C. Wheeler 1961-6-20 7896 Riverside West fork of Tahquitz Creek. 2378 Comment
  UCR201470  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-5 12089 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  SD112262  Carex subfusca Darley F. Howe 1941-6-9 1291 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  CHSC88465  Carex triquetra L. P. Janeway 2004-5-8 8060 Riverside Peninsular Ranges. Santa Ana Mountains; San Mateo Canyon, along Tenaja Trail about 650 m south-southwest of trailhead at Wildomar Road. 375 Comment
  UCR90608  Carex triquetra Scott D. White 1995-6-29 3390 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  JEPS46520  Castela emoryi E. E. Schellenger May 1920 Riverside Hayfields e Mecca (Colorado Desert); , Hayfields e of Mecca Comment
  JEPS3823  Castilleja applegatei subsp. martinii W. L. Jepson May 17 1901-Jun 1 1901 1451 Riverside trail to Santa Rosa Peak Comment
  RSA705880  Castilleja exserta M. Wall 2005-4-9 381 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park region. 703 Comment
  UC218253  Castilleja exserta P. A. Munz and I. M. Johnston 1922-5-19 5444 Riverside 2 mi below Kenworthy; San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR124653  Castilleja exserta B. C. Templeton, I. W. Clokey 1930-4-9 1070 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  UCR85645  Castilleja exserta A. C. Sanders 1993-4-5 13693 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR241654  Castilleja foliolosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 358 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA448786  Castilleja minor subsp. spiralis Anstruther Davidson 1887 Riverside Banning. Comment
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Mar 13 2011
  POM42518  Castilleja pruinosa Marcus E. Jones 1882-6-29 s.n. Riverside [Unspecified] Comment
  UC64339  Caulanthus heterophyllus H. M. Hall 1897-3-13 387 Riverside Wildomar Comment
  UCR137475  Caulanthus heterophyllus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR35190  Caulanthus simulans L. B. Ziegler 1969-4-2 341 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  RSA60296  Ceanothus cordulatus G. R. Campbell 1948-7-4 607 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  RSA570229  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7903 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UC1071019  Ceanothus crassifolius R. St. John 1930-4-14 113 Riverside w Paloma Valley (plot No. 46); San Jacinto quad 487 Comment
  UCR124167  Ceanothus crassifolius June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  POM146233  Ceanothus cuneatus J. B. Feudge 1925-3-15 1707 Riverside near Gilman Relief Hot Springs 610 Comment
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Mar 13 2011
  UCR201482  Ceanothus cuneatus var. cuneatus Scott D. White, Justin M. Wood 2008-6-18 12251 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  HSC88837  Ceanothus greggii T'ai Roulston, Robin Bencie, Rich Dwerlkotte 1989-3-22 112 Riverside 2 mi N of Anza-Borrego State Park in Nicholias Canyon 1300 Comment
  RSA161087  Ceanothus greggii var. perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles northwest of Lake Fulmor, San Jacinto Mountains. Comment
  POM254877  Ceanothus integerrimus W. Pequegnat 1940-5-17 s.n. Riverside Bear Springs. 1311 Comment
  RSA650467  Ceanothus leucodermis G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UCR23264  Ceanothus leucodermis J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  SD229240  Ceanothus palmeri Dick Schwenkmeyer 2012-4-18 703 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UC1595638  Ceanothus tomentosus Steve Boyd 1991-5-10 6209 Riverside Santa Ana Mountains, base range, just N of mouth of Hagador Canyon at bottom of Skyline Drive 426 Comment
  RSA91826  Cenchrus echinatus F. W. Peirson 1937-11-27 12246 Riverside La Quinta, Coachella Valley. 0 Comment
  UCR95727  Cenchrus incertus D. L. Banks, Lauren Raz 1996-8-29 1133 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  SEINET8734799 Image available Centaurea melitensis Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0;6 mi. from fork to dump on E. side of road Comment
  CAS-BOT-BC284479  Centaurea solstitialis Scott D. White; Mike Wilcox 1995-7-13 3473 Riverside Alluvial fan below unnamed canyon +- 1/4 mi SW of Grand Ave. (City of Lk. Elsinore), directly downslope from hairpin trun on SH 74, NE Santa Ana Mtn. foothills 487 Comment
  RSA625694  Centaurea solstitialis J. A. Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley, near hwy 215 Comment
  UCR281577  Centaurium venustum Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 119 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA689429  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -247 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  UCR249909  Centromadia pungens subsp. pungens R. E. Riefner Jr. 2012-7-23 12- 321 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  UCR127564  Cerastium glomeratum A. C. Sanders, T. B. Salvato 2003-5-21 26793 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  HSC47359  Cercocarpus montanus var. glaber Richard Spjut, C. E. Edson 1978-4-24 4952 Riverside Along Hwy. 74, 3 mi. from jct. with Hwy. 71 in San Jacinto Mtns. 915 Comment
  RSA775915  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2010-4-10 815 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SBBG7866  Chaenactis carphoclinia C. H. Muller 1952-4-6 9506 Riverside ca. 1 mi N of S entrance to Joshua Tree Nat Monument Comment
  JOTR31970  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2207 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  POM15070  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-4-13 1756 Riverside Chino canyon, Colorado Desert. 183 Comment
  POM351671  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1903-5-3 2250 Riverside Thermal. Comment
  POM351672  Chaenactis carphoclinia var. carphoclinia Christopher Davidson 1979-4-4 7679 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  RSA271141  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, John Dourley, Walter Wisura 1977-5-19 1326 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  SBBG37475  Chaenactis fremontii R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UCR269114  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4517 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 526 Comment
  UCR133691  Chaenactis glabriuscula 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
  RSA125546  Chaenactis glabriuscula var. glabriuscula R. Weatherby 1949-5-13 408 Riverside La Sierra district, Arlington 152 Comment
  RSA777338  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4700 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
  UCR115935  Chaenactis glabriuscula var. lanosa Mitch Provance 1998-4-7 1778 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon 396 Comment
  UC1543179  Chaenactis parishii Donald G. Nelson 1936-5-22 386 Riverside Ribbon Wood Camp Santa Rosa Mtns., Palm Springs Canyon (Pines to Palms Highway, on trail down to stream in Palm Springs Canyon, near base of Santa Rosa Mtns.) Comment
  SBBG98300  Chaenactis stevioides M. B. Dunkle 1935-3-17 4397 Riverside Desert Center 609 Comment
  UC69077  Chaenactis stevioides H. M. Hall 1905-4-1 5935 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  SEINET3365545  Chamaesyce abramsiana G. Rink 2011-10-6 11078 Riverside East of the McCoy Mountains, northwest of Blythe, in a swale that sometimes holds water 150 Comment
  VVC2108  Chamaesyce abramsiana Tim Thomas 2012-9-2 5876 Riverside Colorado Desert, WNW of Blythe, 8.4 miles N of I-10, just west of Black Ck Rd. 171 Comment
  VVC2109  Chamaesyce abramsiana Tim Thomas 2012-8-23 5874 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  UC868839  Chamaesyce albomarginata C. L. Hitchcock 1940-4-2 5925 Riverside Joshua TreeNational Monument, Cottonwood Springs Comment
  RSA432477A  Chamaesyce pediculifera M. B. Dunkle 1933-3-4 3040 Riverside Painted Canyon. Colorado Desert 30 Comment
  CDA4772  Chamaesyce serpens Scott D. White 1998-6-28 6795 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  POM13619  Chamaesyce setiloba E. C. Jaeger 1921-3-12 50 Riverside Colorado Desert: [Orocopia Mountains] Canon Spring Wash. Comment
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Aug 27 2016
  RSA600799  Chamaesyce setiloba L. C. Wheeler 1954-11-25 7107 Riverside Chuckwalla Mountains: Corn Springs Wash. 533 Comment
  CAS-BOT-BC70031  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Hwy. 74, c. 2 mi. up water service road, below crossing; Santa Rosa Mountains, north slope 1310 Comment
  CAS-BOT-BC70041  Cheilanthes covillei Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  JOTR30213  Cheilanthes covillei Leary, C. and Leary, Pat 1979-2-24 2807 Riverside Joshua Tree National Park. On west facing slope in Lower Covington Flats, north of Smithwater Canyon, Joshua Tree National Monument. Comment
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Feb 25 2013
  UC1511338  Cheilanthes covillei Robert F. Thorne, Avi Shmida, and Robert Whittaker 1978-4-23 52069 Riverside Palms to Pines Hwy Comment
  RSA556511  Cheilanthes newberryi Julie Greene 1993-4-10 1159 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA586044  Cheilanthes newberryi Darin L. Banks, Steve Boyd 1995-3-16 97 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, Arroyo Seco drainage. 536 Comment
  RSA632461  Cheilanthes newberryi Scott D. White 1999-5-28 7435 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
  UCR125199  Cheilanthes newberryi Mitch Provance 1998-5-24 529 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  RSA709882  Cheilanthes parryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4627 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR147842  Cheilanthes parryi Steve Boyd, Et al. 2004-5-14 11278 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR91556  Cheilanthes parryi A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15900 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
  RSA0106273  Chenopodium ambrosioides Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR115139  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2271 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  POM12953  Chenopodium californicum P. A. Munz, I. M. Johnston 1922-5-21 5536 Riverside Hemet Valley, San Jacinto Mountains 1418 Comment
  SD187393  Chenopodium californicum Scott D. White, Angelia Carey 2004-4-16 10154 Riverside Indian Creek and adjacent slopes. 548 Comment
  UCR17966  Chenopodium californicum A. C. Sanders 1976-4-20 00278 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR241920  Chenopodium californicum A. C. Sanders, Timothy W. Chumley 2013-3-28 40700 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  RSA676093  Chenopodium murale Scott D. White 2001-4-12 8316 Riverside Colorado Desert: 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
  SD234366  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  SEINET10784095  Chilopsis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12849 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR22207  Chilopsis linearis Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mtns., Juniper Flats Rd, just NW of the communication site Comment
  UCSB50076  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  LA204144  Chilopsis linearis subsp. arcuata Louis Wheeler; 1933-12-1 2281 Riverside San Gorgonio Pass, San Gorgonio wash at S.P. RR 640 Comment
  OBI38269  Chilopsis linearis subsp. arcuata David J. Keil 1985-8-30 18950 Riverside Along road through Joshua Tree NAtl Monument, 5 mi N of I-10 Comment
  POM13252  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside Banning. Base of McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  RSA247963  Chilopsis linearis subsp. arcuata R. F. Thorne, S. T. Blake 1965-6-1 34714 Riverside Morongo Valley pass 488 Comment
  UCD121659  Chilopsis linearis subsp. arcuata Marian L. Vincent; Richard H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Hwy. 111. 365 Comment
  CAS-BOT-BC451475  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside North fork of Tahquitz Creek 2209 Comment
  UCR103727  Chloris truncata A. C. Sanders 1997-3-26 20095 Riverside Lake Skinner area, N edge of Temecula vinyard district, Borel Rd., 0.1 mi. west of turnoff to Lake Skinner 488 Comment
  SEINET7067551  Chlorogalum parviflorum A. G. Vestal 1947-6-13 s.n. Riverside About 3.1 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 474171mE, 3702715mN. Comment
  UC1618028  Chorizanthe Donald G. Nelson 1936-5-21 383 Riverside n. Mt. Thomas (slopes just n. of meadow in valley, just e. of Hurkey Creek Camp area, e. of Lake Hemet) Comment
  RSA25154  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring. 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
  UCR26535  Chorizanthe fimbriata var. fimbriata A. C. Sanders, S. Hagopian 1981-5-20 2134 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCD99719  Chorizanthe fimbriata var. laciniata Geoffrey Levin 1975-4-5 495 Riverside Dripping Springs Forest Service Station, Cleveland Natl. Forest. 487 Comment
  CAS-BOT-BC191348  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  CAS-BOT-BC460911  Chorizanthe leptotheca H. M. Hall 1901-7-1 2255 Riverside San Jacinto Mountains: Fuller's Mills Mountains, west end 1584 Comment
  SD137670  Chorizanthe leptotheca Darin L. Banks, Peter Morrell 1995-5-4 312 Riverside Cleveland National Forest, north of Agua Tibia Wilderness Area, north slope of Agua Tibia Mtn., east of Dripping Springs Alcove Area, SE of Dripping Springs Campground, on arkose hills at north base of medasedimentary hills north of Wildhorse Peak 536 Comment
  UC534896  Chorizanthe leptotheca Susan G. Stokes 1934-7-1 311 Riverside road to Idyllwild (San Jacinto Mountain); San Jacinto Mountain 1219 Comment
  UCR104902  Chorizanthe parryi A. C. Sanders 1997-3-19 20009 Riverside Lake Skinner area, slopes north of Tucalota Creek c. 3/4 mi. (1.25 km) east of the lake 470 Comment
  RSA537268  Chorizanthe parryi var. parryi D. E. Bramlet 1991-5-3 2115 Riverside On a samll ridge of a steep canyon between Diamond and Crown Valleys, some 1100 m. S of Diamond Valley. The population is found on a S-tending ridge 76 m. N of a blue line stream and some 300 m. W of the existing Rawson Road. 177 Comment
  UC449703  Chorizanthe parryi var. parryi Mrs. Lottie M. Wilder 1903-4-26 14 Riverside Wilders Canyon Wilders Canyon (west Riverside) Comment
  SD138826  Chorizanthe procumbens Craig Reiser 1993-3-29 Riverside North of Lewis Valley Road and east of Sage Road Comment
  SEINET7063452  Chorizanthe procumbens A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. UTM Zone 11, 499198mE, 3715007mN. (WGS84/NAD83). 549 Comment
  POM183978  Chorizanthe rigida P. A. Munz 1932-3-14 11998 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  SEINET2026223 Image available Chorizanthe staticoides Scott D. White 2001-4-19 8380 Riverside Perris Basin. Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of I-215. 442 Comment
  RSA339659  Chorizanthe watsonii Robert F. Thorne, C. W. Tilforth 1980-5-28 54225 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SD224832  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. Rocky creek bed 883 Comment
  RSA5250  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  UCR58723  Chrysolepis sempervirens Reid Moran 1973-7-28 21107 Riverside Santa Rosa Mtns, Summit of Toro Peak 2500 Comment
  POM183883  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1932-10-16 12842 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  RSA0112103  Chrysothamnus paniculatus Duncan S. Bell 2009-10-9 486 Riverside Northwest of the Arica Mountains. 281 Comment
  JEPS23428  Chylismia brevipes subsp. brevipes W. L. Jepson 1928-4-25 12609 Riverside n Mecca; Cottonwood Spr. 731 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
  JEPS23474  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  UC873926  Chylismia claviformis subsp. aurantiaca C. L. Hitchcock 1940-3-29 5865 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  UCSB30313  Chylismia claviformis subsp. aurantiaca Sauls, Mary 1977-2-27 Riverside 5 mi. W. of junction Hwy. 195 and interstate 10; Box Canyon wash 365 Comment
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Nov 16 2015
  UCR117809  Cirsium occidentale var. occidentale Mitch Provance 1998-6-11 683 A Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  SBBG133363  Cirsium scariosum var. citrinum S. D. White, J. M. Wood 2008-5-15 11975 Riverside Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom, San Jacinto Mtns 1357 Comment
  RSA571291  Cirsium vulgare Steve Boyd, Darin L. Banks 1994-4-5 8271 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potreto, along the Lucas Canyon Trail. 732 Comment
  CAS-BOT-BC438858  Cistanthe monandra Peter H. Raven 1958-5-18 12979 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  POM182082  Cistanthe monandra P. A. Munz 1932-3-14 11978 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA501025  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3146 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA586033  Cistanthe monandra D. L. Banks, Steve Boyd 1995-3-16 0085 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, Arroyo Seco drainage. 506 Comment
  RSA678340  Cistanthe monandra Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10477 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR243129  Clarkia dudleyana Kate Kramer 2012-5-25 262 Riverside San Jacinto Mtns., along Highway 243, between Poppet Flats Road and Vista Grande Fire Station 1381 Comment
  UCR107381  Clarkia epilobioides B. G. Pitzer 1997-3-23 2957 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
  SEINET255567  Clarkia purpurea Unknown 2005-5-7 30034 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. 457 Comment
  RSA448298  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-5-25 5643 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  POM15055  Clarkia rhomboidea Mary F. Spencer 1922-6-18 1367 Riverside Idyllwild, San Jacinto Mountains. Comment
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Nov 19 2011
  SDSU13496  Claytonia parviflora subsp. parviflora Shawn Johnston, Calf. Plant Taxonomy Class 2000-4-1 16 Riverside Santa Margarita Ecological Reserve North end. Comment
  POM13461  Claytonia parviflora subsp. viridis P. A. Munz 1922-5-19 5394 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  RSA359868  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA511345  Claytonia perfoliata subsp. perfoliata B. Pitzer, E. Misquez 1988-3-20 672 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  UCR93017  Claytonia perfoliata subsp. perfoliata G. P. Schultz 1994-4-7 73 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCR265590  Claytonia rubra Jordan Zylstra 2014-3-23 14015 Riverside San Jacinto Mountains, south of K-Flat, west of Apple Canyon Road 1463 Comment
  SD137655  Clematis pauciflora Darin L. Banks, Steve Boyd 1995-3-16 93 Riverside Cleveland national forest, Agua tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  SDSU20292  Clematis pauciflora Adrienne D. Russell, Michael G. Simpson 2000-4-29 129 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky hillside between trailer and gorge on edge of lot, driveway. Comment
  SEINET3075576 Image available Clematis pauciflora B. Pit, E. Misquez 1988-3-20 675 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi W of El Cariso Village, just across the highway from Ortega Parks Store. 549 Comment
  UC667312  Clematis pauciflora Annie M. Alexander and Louise Kellogg 1941-5-4 2115 Riverside Joshua Tree Nat'l Monument, Barker Dam 1310 Comment
  RSA124985  Cleome isomeris P. H. Raven 1958-1-23 10409 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
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Sep 10 2011
  RSA650744  Cleome isomeris R. J. Silva 1949-2-15 s.n. Riverside Found 15 mi. east of Beaumont. 716 Comment
  SEINET10420078  Coldenia brevicalyx N. Dunn, A. M. Martin 1932-3-26 Riverside Coachella. Comment
  SD73630  Collinsia concolor Helen V. Witham 1970-5-1 845 Riverside steep north slope, Bautista Canyon, southeast of Hemet 800 Comment
  UCR91439  Collinsia concolor Scott D. White 1995-3-30 2649 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UC26634  Collinsia parviflora H. M. Hall May 20 1899-May 22 1899 1119 Riverside San Jacinto Mountains, Strawberry Valley Strawberry Valley; San Jacinto Mountains, Strawberry Valley 1615 Comment
  CDA35599  Condalia globosa var. pubescens Robert Cowell 1959-5-4 Riverside North of Bradshaw Stage Road, ca. 3/4 mile east of the Imperial Gas Line road, between Chocolate and Chuckwalla Mtns. 0 Comment
  SEINET3091117 Image available Convolvulus arvensis C. M. Flanagan 1971-5-25 Riverside East La Cadena Drive near Center Street, Highgrove. Comment
  UCR166292  Convolvulus simulans Chris E. True 2005-4-18 s.n. Riverside Peninsular Range, South of Lake Mathews near ranger station for Lake Mathews/Estelle Mtn. Preserve 451 Comment
  UCR37486  Conyza bonariensis Steve Boyd 1981-3-2 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  UCR106913  Conyza canadensis D. L. Banks 1996-11-5 1178 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  UCR146488  Conyza canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mtns foothills, Indian Creek watershed, above confluence with San Jacinto River 579 Comment
  RSA555204  Cordylanthus nevinii John F. Emmel 1983-9-17 892 Riverside San Jacinto Mts.; Idyllwild; on north-facing slope of West Ridge, 0.3 mile SSW of Camp Emerson. 1622 Comment
  SBBG27300  Cordylanthus nevinii I. W. Clokey 1935-8-21 Riverside Fuller's Crk 1500 Comment
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Dec 5 2007
  JOTR29501  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA0097955  Cordylanthus rigidus subsp. setiger Duncan S. Bell 2014-11-14 7718 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA412306  Cordylanthus rigidus subsp. setiger Albert J. Perkins 1916-9-2 s.n. Riverside Idyllwld. Comment
  RSA6032  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1932-8-4 3917 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  JOTR32156  Coreopsis californica var. californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2310 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side of canyon (Stop 5) Comment
  UC489090  Corethrogyne filaginifolia C. V. Meyer 1928-7-30 574 Riverside San Jacinto Mts., Saunder's Meadow 1676 Comment
  UCR19712  Crassula aquatica John C. Roos 1952-4-9 5514 Riverside Rolling flats at Edgemont, near Box Springs 488 Comment
  UCR222299  Crassula aquatica R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55210 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UCR40461  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  UCR82247  Cressa truxillensis J. M. Stewart 1994-5-2 864 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  CAS-BOT-BC181564  Crossosoma bigelovii Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  SEINET10483986  Crossosoma bigelovii Betty Venrick 1961-3-17 Venrick 506 Riverside White Water Canyon, 1/2 mile below fish hatchery. San Bernadino Mt. range. Drainage area: Salton Sea. Veg. type: Colorado desert. Soil granitic 762 Comment
  JEPS52473  Croton californicus R. L. Pendleton 1905-9-25 Riverside Riverside Comment
  LA204871  Croton californicus Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA480575  Croton californicus N. C. Cooper 1943-9-26 935 Riverside Cabazon. 549 Comment
  UCD141968  Croton californicus Robert F. Thorne; C. W. Tilforth 1980-5-28 54159 Riverside San Bernardino Mts: Colorado Desert slopes, south-facing and west-facing, N-S rocky ridge at east side of Whitewater River at mouth of canyon. Around 1/4-1/2 mile east of Whitewater Post Office. Comment
  UCR220007  Croton setiger A. C. Sanders 2010-11-18 38686 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  SEINET9291336  Cryptantha Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  CLARK-A1528-2210  Cryptantha angustifolia John C. Roos 1947-2-14 3254 Riverside Eagle Mountains Comment
  RSA0029325  Cryptantha angustifolia Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4688 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA795929  Cryptantha angustifolia Duncan S. Bell 2009-4-20 301 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SD126015  Cryptantha angustifolia F. R. Fosberg 1928-3-17 5141 Riverside Thousand Palms Canyon 60 Comment
  UC1112454  Cryptantha angustifolia Peter H. Raven 1958-1-23 11427 Riverside 6.5 miles northwest of Indio (fringing U.S. Hwy 99) Comment
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Jun 9 2012
  UC857066  Cryptantha angustifolia Mary F. Spencer 1922-4-8 2066 a Riverside near Palm Springs; Colorado Desert 121 Comment
  UCR245947  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  SEINET10840765  Cryptantha angustifolia David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3732 Riverside On same sheet as Dunn 2044, UMO 162052. Borage. Found growing in a wash. Pushawalla Canyon, Indio Hills of the Colorado desert; W of Indio. Comment
  POM368286  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR182321  Cryptantha barbigera Mitch Provance 2003-4-18 6604 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  UCR242120  Cryptantha barbigera Jim Andre 2011-2-9 15915 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR279506  Cryptantha barbigera A. C. Sanders, Jim Malusa 2017-3-27 43111 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  RSA0042543  Cryptantha barbigera Philip A. Munz 1949-4-13 13045 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert. 1097 Comment
  SEINET10455558  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3722 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA781905  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 885 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA781913  Cryptantha barbigera var. barbigera Duncan S. Bell 2010-5-1 896 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  RSA0079100  Cryptantha cycloptera Steve Boyd, Orlando Mistretta 1986-3-13 1449 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SDSU18645  Cryptantha decipiens Michael G. Simpson, Kristen Hasenstab 2008-4-1 2940 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  HSC86868  Cryptantha intermedia Dave Hawks 1988-4-2 Riverside Tule Creek drainage, 1.75 mi. NE of Aguanga, SE of intersection of Dove and Sycamore Sts., S of Hwy. 371 762 Comment
  HSC86914  Cryptantha intermedia S. J. Myers 1988-2-1 Riverside Boulder Springs development, immediately SE of intersection of Hwy. 60 and Nason St., Moreno Valley 518 Comment
  POM230207  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa. 61 Comment
  POM3894  Cryptantha intermedia F. L. Robinson, Crocker 1916-4-5 s.n. Riverside Elsinore Region Comment
  UC1605428  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Harford Springs Co. Park Gavilan Hills, Gavilan Plateau, Harford Springs Co. Park 609 Comment
  UC79456  Cryptantha intermedia C. R. Orcutt 1890-7-20 Riverside Hemet Valley Comment
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Mar 24 2011
  UCR249633  Cryptantha intermedia Mike Bell 2008-3-19 038 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR25080  Cryptantha intermedia A. C. Sanders 1980-7-18 1637 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR260533  Cryptantha intermedia T. B. Salvato 2014-5-29 8028 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR97705  Cryptantha intermedia Scott D. White 1997-2-28 4717 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SDSU21781  Cryptantha juniperensis Mitch Provance 6532 Riverside San Bernardino Valley: Rialto, Colton Dune System, N side of Slover Ave. between Pepper Ave. and the tank farm (ca. 0.5 mi. W of Pepper Ave.) 320 Comment
  RSA0128989  Cryptantha maritima J. Mark Porter, Valerie Soza, G. Wallace 2001-4-2 12331 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 472 Comment
  RSA776189  Cryptantha maritima Amber Swanson, Duncan S. Bell 2011-3-10 206 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  UC24728  Cryptantha maritima W. G. Wright 1890-1 1760 Riverside Colorado Desert Comment
  UCR163920  Cryptantha maritima A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29141 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET10456346  Cryptantha maritima David B. Dunn 1948-2-21 Dunn 3676 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  UCR52018  Cryptantha maritima var. pilosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2179 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JOTR34473  Cryptantha micrantha Andre, Jim 2012-4-16 20951 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  RSA0039698  Cryptantha micrantha J. M. Andre 2013-3-27 24798 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  RSA314632  Cryptantha micrantha R. F. Thorne, Drs Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55426 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA633317  Cryptantha micrantha var. lepida R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38080 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR177331  Cryptantha micrantha var. micrantha Scott D. White, Michael Honer 2003-5-13 9242 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  RSA614473  Cryptantha microstachys D. L. Banks 1997-4-5 1702 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR160322  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Peninsular Ranges; Santa Ana Mtns Region, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 793 Comment
Read comments
Jul 5 2010
  UCR16163  Cryptantha microstachys I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  UCR177829  Cryptantha microstachys S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR135721  Cryptantha muricata Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9025 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR135722  Cryptantha muricata Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9028 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA0079441  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, Kyle Boyd 1989-6-24 3749 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  UCD119982  Cryptantha nevadensis 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. 1372 Comment
  JOTR35042  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3495 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
  RSA0124380  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-31 9196 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
  UCR279355  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-23 42950 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  UCR103304  Cryptantha pterocarya var. pterocarya George K. Helmkamp 1998-4-4 3149 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  HSC25820  Cryptantha racemosa Richard Spjut 1972-3-20 2289 Riverside Colorado Desert; N base of the Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  POM98999  Cryptantha utahensis E. C. Jaeger 1926-3-20 s.n. Riverside Cottonwood Springs, S base of Eagle Mts Comment
  UCR39238  Cryptantha utahensis M. L. Rosczyk, G. K. Helmkamp 1985-4-4 213 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  RSA5435  Cryptogramma acrostichoides C. B. Wolf 1932-8-5 3978 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  POM184192  Cucurbita digitata M. French Gilman 1932-10-30 8 Riverside Whitewater. Comment
  UCR116778  Cucurbita foetidissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24169 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  POM158459  Cuscuta californica var. papillosa P. A. Munz 1970-5-21 10870 Riverside 10 miles S.W. of Cochulla Comment
  RSA263689  Cuscuta ceanothi E. W. Lathrop 1966-5-8 6418 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UC23252  Cuscuta subinclusa H. M. Hall 1901-8-6 Riverside s side San Jacinto Mountains 1356 Comment
  UCR82816  Cuscuta subinclusa A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15792 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  UCR19706  Cyclospermum leptophyllum John C. Roos, L. Roos 1953-5-9 5917 Riverside Riverside, Fairmont Park 259 Comment
  SEINET11044078 Image available Cylindropuntia californica var. parkeri Marc A. Baker, Emily Mastrelli 2015-4-20 18330 Riverside The Badlands 600m SSW of the intersection of San Timoteo Canyon Road and Redlands Blvd., 23 km ENE of central Riverside, 20 km SE of central San Bernardino 567 Comment
  CAS-BOT-BC56160  Cylindropuntia echinocarpa L. R. Abrams 1926-3-26 11211 Riverside Field redacted by CAS, contact the data manager for more information Comment
  GMDRC5838  Cylindropuntia echinocarpa J. M. Andre 2013-3-27 24824 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  UCR251900  Cylindropuntia echinocarpa Jim Andre 2013-3-27 24824 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  SEINET10468117  Cynodon dactylon Billy Joe Cox 1975-6-26 Cox 4198 Riverside Co. Imperial. Palo Verde, 1-3 km E, (ca. 32 mi S of Blythe); creosote desert scrub; sandy and gravelly entisols; 70 Comment
  UCR119811  Cyperus erythrorhizos A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23064 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  CAS-BOT-BC113929  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Shores of Elsinore Lake Comment
  UCR130129  Cyperus odoratus Joseph A. Ewan 1931-10-3 5215 Riverside Santa Ana River, 4 miles NW of Corona 162 Comment
  UCR59235  Cyperus parishii Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  UCR101431  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  RSA482015  Cystopteris fragilis Richard Noyes, L. Arnseth 1988-9-10 726 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  CLARK-A1703-1200  Dalea emoryi Charlotte Stocks 1962-6-25 Riverside Indio Comment
  RSA0029323  Dalea mollis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4687 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  SFV4380  Dalea mollissima F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  UCR139720  Dalea mollissima B. G. Pitzer 1989-4-16 1296 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  POM13632  Dasyochloa pulchella E. C. Jaeger 1921-3-28 1042 Riverside Redrock Canyon, 15 miles east of Mecca Comment
  RSA603267  Dasyochloa pulchella Joseph A. Ewan 1933-2-20 10843 Riverside Southwest side Pinto Basin Comment
  UC1929900  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UC884555  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shavers Wells Comment
Read comments
Dec 13 2011
  UCR21177  Datura wrightii Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  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
  RSA666895  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR182524  Daucus pusillus Mitch Provance 2005-5-17 6575 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR187479  Daucus pusillus Theresa Johnson 2006-5-10 090 Riverside Peninsular Range, Alberhill, old clay mine area off Coal Road, north of Terra Cotta 488 Comment
  UCR260562  Daucus pusillus T. B. Salvato 2015-4-2 8106 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  UC1929933  Deinandra fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  CAS-BOT-BC294114  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Elsinore - Warm Springs Valley Comment
  SD129598  Deinandra kelloggii Ed LaRue 1989-6-11 Riverside West side of Lakeview Mountains, ca. 1 mile southeast of Nuevo. 640 Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  SD186076  Deinandra mohavensis A. C. Sanders, Steve Boyd, et al. 1998-10-25 22271 Riverside Mt. Edna Road, ca. 0.2 mile west of Highway 243. 1121 Comment
  SD234296  Deinandra paniculata Mitch Provance 2003-6-7 7606 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  SDSU12290  Deinandra paniculata Jonathan Snapp Cook 1999-4-14 25 Riverside Skunk Hollow vernal pool. NE of Temecula. Off of Pourray Raod. About 100 meters west of reserve gate. 305 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
  RSA0020482  Delphinium parishii subsp. parishii L. Haines, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
  RSA13191  Delphinium parryi E. R. Johnson 1935-5-5 6759 Riverside Gavilan Hills, Cajalco District. North Side of Carob Ranch. Comment
  RSA395914  Delphinium parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA618173  Delphinium parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA784544  Delphinium patens subsp. hepaticoideum J. D. Olmsted 1959-5-13 627 Riverside Drainage area to Santa Ana River: Beacon Pines Ranch on Spring Trail, 100 yd below Main Divide T.T. 823 Comment
  JEPS10814  Descurainia obtusa subsp. adenophora H. M. Hall Jun 1901 2152 Riverside Vandeventer Flat; San Jacinto Mountains 1371 Comment
  RSA67308  Descurainia pinnata G. R. Campbell 1951-4-22 16000 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt. [Santa Rosa Mt Truck Trail]. 1371 Comment
  UC64338  Descurainia pinnata subsp. menziesii H. M. Hall 1895-3-10 70 Riverside near Riverside (Fairmount Hill); Fairmount Hill Comment
  CAS-BOT-BC402297  Dicentra chrysantha Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA0106275  Dicentra chrysantha Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  SD52955  Dicentra chrysantha Peter H. Raven 1962-4-29 17485 Riverside Ortega Highway, 1.0 mile above its east base. 487 Comment
  SEINET12044711  Dichelostemma capitatum F. A. Thackery 1927-1 289 Riverside Banning Comment
  RSA367463  Dichelostemma capitatum subsp. capitatum F. A. Thackery 1927-3-30 289 Riverside Banning Comment
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Mar 13 2011
  RSA523967  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4013 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR41503  Dichelostemma capitatum subsp. capitatum B. G. Pitzer 1986-2-22 18 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  SBBG51155  Dichelostemma capitatum subsp. pauciflorum W. Zabriskie 1973-3-21 Riverside Beeseep Cyn, Deep Cyn drainage 304 Comment
  CSUSB20  Dichelostemma pulchellum R. Pirot 1975-5-23 Riverside Juniper Flats Road and Highway 74, Homeland. 542 Comment
  POM145442  Dicoria canescens Marcus E. Jones 1928-1-3 9144 Riverside Indio. Comment
  UC1177917  Dicoria canescens S. Galen Smith 1948-1-1 344 Riverside 10 mi n Coachella Comment
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  UCSB7955  Dicoria canescens Dearing, Hugh; Dearing, Margaret 1939-11-12 Riverside W. Colorado Desert Comment
  RSA0019264  Dimorphotheca ecklonis D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0953 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA735857  Dimorphotheca sinuata Scott D. White, Justin M. Wood 2008-4-16 11881 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UCR277403  Dimorphotheca sinuata Anonymous 1942-4-26 s.n. Riverside Palm Springs 183 Comment
  OBI8386  Diplacus bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12063 Riverside Along Box Canyon Rd ca 20 mi ENE of Mecca in orocopia Mts 274 Comment
  CAS-BOT-BC152914  Diplacus brevipes R. S. Woglum 1937-5-22 528 Riverside Temecula, Riverside county (southwest) Comment
  CAS-BOT-BC152264  Diplacus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon, just south of Interstate 15 Comment
  RSA682566  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, UCR Botanical Garden, near the west fence above the Latin American section. 366 Comment
  RSA562484  Distichlis spicata Steve Boyd, Timothy S. Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCR121896  Distichlis spicata Ian G. Gillespie 2001-5-7 79 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
  UCR264613  Distichlis spicata Mitch Provance 2011-6-6 17005 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  RSA134883  Ditaxis claryana L. S. Rose 1959-1-8 s.n. Riverside La Quinta. Comment
  SD143928  Ditaxis neomexicana G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2702 Riverside Little Maria Mountains, Colorado desert, Midland road, 3.8 miles SE of Midland Comment
  UCR211493  Ditaxis neomexicana Jim Andre, T. La Doux 2008-9-13 10261 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UCR5218  Ditaxis neomexicana O. F. Clarke 1966-10-5 661005- 07 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  RSA793974  Ditaxis serrata var. californica Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4351 Riverside Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam. 97 Comment
  RSA530740  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Palm Springs Station; Colorado Desert 400 Comment
  RSA697423  Dithyrea californica J. R. Bruff 1927-3-12 2 -R Riverside Fingal Comment
  RSA699587  Dithyrea californica J. R. Bruff 1932-3-22 s.n. Riverside Between Garnet and Edom Comment
  RSA5472  Dodecatheon alpinum subsp. majus Carl B. Wolf 1932-8-5 s.n. Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  POM305364  Dodecatheon clevelandii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 654 Riverside Between Corona and Elsinore. Comment
  SD132874  Downingia cuspidata Tim Cass, Fred Sproul 1979-6-1 209 Riverside Mesa de Buro, Pond A Comment
  CAS-BOT-BC41606  Draba corrugata var. corrugata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. 2438 Comment
  SD135181  Draba corrugata var. saxosa Craig Reiser, Dylan Hannon 1993-5-30 Riverside Near saddle between Santa Rosa Peak and Toro Peak Comment
  UC489272  Draba corrugata var. saxosa C. V. Meyer 1928-7-27 549 Riverside San Jacinto Peak 3291 Comment
  UC856110  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  UC64549  Drymocallis glandulosa var. viscida H. M. Hall June, 1901 2204 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1615 Comment
  IRVC138  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-6-6 SJ 249 Riverside San Jacinto Mountains; Indian Creek. Peninsular Ranges 640 Comment
  IRVC139  Dryopteris arguta R. H. Whittaker 1963-5-27 SJ 7 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  IRVC145  Dryopteris arguta Barbara Mawdsley 1965-4-24 HS 528 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  UCR26974  Dryopteris arguta E. W. Lathrop 1966-5-8 6470 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  SEINET7048070  Dudleya lanceolata Steven R. Hill 2001-4-29 33547 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
  UC147249  Dudleya lanceolata C. M. Wilder 1905-6-1 584 Riverside Wilder's Canyon Juniper Hills Comment
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Apr 2 2011
  UCR240273  Dudleya lanceolata Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 339 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR78336  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside tributary to Olsen Canyon, c. 76m south of the canyon, and 90m east of the existing dirt road, c. 213m NE of the existing El Sobrante Landfill 375 Comment
  CAS-BOT-BC109606  Dudleya saxosa subsp. aloides C. B. Wolf 1932-5-25 3690 Riverside Gilman Ranch in foothills north of Banning. 1463 Comment
  RSA770928  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4738 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 W116.65119 604 Comment
  UC933327  Dudleya saxosa subsp. aloides Reid Moran 1946-3-20 1944 Riverside San Andreas Canyon Comment
  SEINET4604429 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker 2007-10-17 16623 .1 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain 1420 Comment
  CAS-BOT-BC32714  Echinocereus engelmannii var. munzii P. A. Munz; I. M. Johnston 1922-5-21 5570 Riverside Field redacted by CAS, contact the data manager for more information 1417 Comment
  RSA0086967  Echinochloa crus-galli var. zelayensis H. de Forest, Jack Rumpel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 548 Comment
  CLARK-A1528-202  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside 243 Comment
  CDA4578  Eclipta prostrata Gene Drake 1975-7-3 Riverside Riverside Canal, Nixon at McKinley, Riverside. 0 Comment
  CHSC23210  Elatine chilensis Robert F. Thorne; E. Lathrop 1969-5-19 37968 Riverside Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  UC1922815  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UC68611  Eleocharis macrostachya H. M. Hall 1905-4-27 5919 Riverside Paloverde Valley Colorado Desert 76 Comment
  POM181843  Eleocharis parishii H. M. Hall 1901-06 2013 Riverside East base of San Jacinto Mountains. Comment
  RSA570756  Elymus X gouldii Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  UCR133331  Elymus condensatus 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
  JOTR30223  Elymus elymoides subsp. elymoides Leary, C. and Leary, Pat 1979-5-5 2980 Riverside Joshua Tree National Park. Near lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  RSA575840  Elymus glaucus subsp. glaucus Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'', tributary of Dawson Canyon drainage northern flank of Estelle Mountain. 427 Comment
  LA14869  Elymus triticoides F. M. Reed; 1907-5-26 1363 Riverside Spring Brook near foot of Rubidoux Mt Comment
  SD178092  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region; Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  JEPS1600  Emmenanthe penduliflora L. J. Childs May 1920 Riverside Mecca Hills Colorado Desert (canyon E of lava shallow) Comment
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Nov 19 2011
  POM17934  Emmenanthe penduliflora P. A. Munz 1923-6-14 7122 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA771665  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4900 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
  UCR135993  Emmenanthe penduliflora 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
  UCR182440  Emmenanthe penduliflora Mitch Provance 2003-5-5 4421 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR91411  Emmenanthe penduliflora Scott D. White 1995-4-5 2723 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JOTR30979  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1956 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  CAS-BOT-BC131163  Encelia actoni Lewis S. Rose 1935-12-21 35680 Riverside Cabazon 609 Comment
  UCR42325  Encelia actoni N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 193 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
  UCR82902  Encelia actoni A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15801 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  LA202448  Encelia farinosa Philip A. Munz; 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  RSA0117922  Encelia farinosa Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7645 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA570254  Encelia farinosa Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-20 7888 Riverside Southern end of Cadiz Valley, just east of the Coxcomb Mountains and northwest of the Granite Mountains, west edge of Highway 177, just south of intersection with Highway 62. 400 Comment
  RSA703817  Encelia farinosa LeRoy Gross 2005-3-3 1607 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W to 33.72053N, 115.11051W 207 Comment
  RSA775597  Encelia farinosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 796 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA784750  Encelia farinosa Duncan S. Bell 2012-2-12 3094 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET2050574 Image available Encelia farinosa C. F. Shutts 1949-3-28 100 Riverside Palms Springs to Pine Highway State 74. Santa Rosa Mountains. Palm Springs 747 Comment
  UCR165826  Encelia farinosa John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR233584  Encelia farinosa A. C. Sanders, John F. Green 2012-3-26 39994 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  SDSU14248  Encelia farinosa var. farinosa Michael Powers 2002-4-2 7 Riverside On north side of Via Tornado Road to north of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 200 feet west of parking lot in riverbed. 233 Comment
  UCR262468  Enchylaena tomentosa A. C. Sanders, Richard Block 2015-7-4 41746 Riverside Peninsular Range, Riverside, R. & J. Block residence on Two Trees Rd. in Belvedere Heights neighborhood 396 Comment
  CAS-BOT-BC126750  Ephedra R. F. Thorne; M. Z. Thorne 1973-3-30 42689 Riverside Colorado Desert; Little San Bernardino Mountains region: Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, outwash of Mission Creek 488 Comment
  RSA314157  Ephedra aspera W. Wisura 1983-7-9 3916 Riverside 10.5 mi from the junction with Hwy 111 along Hwy 74. Comment
  RSA383849  Ephedra aspera N. R. Zabriskie, W. M. Zabriskie 1974-3-30 696 Riverside S of juncture with North Canyon, Andreas Canyon, E slope San Jacinto Mtns. Between Sites A-8 and A-9 335 Comment
  UCR234805  Ephedra californica Jim Andre, Glenn L. Clifton 2011-2-22 17472 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  SBBG395  Ephedra nevadensis H. and M. Dearing 1942-3-10 4828 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR269208  Ephedra trifurca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SEINET3220674 Image available Ephedra viridis P. Leary 1975-4-12 1049 Riverside 3/4 mile N of Sheep Pass, Joshua Tree National Monument. 1402 Comment
  POM20023  Epilobium angustifolium subsp. circumvagum Mary F. Spencer 1923-7-10 2204 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UCR101463  Epilobium brachycarpum A. C. Sanders, K. C. Rose 1998-9-29 22248 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR128237  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2003-10-16 27352 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR282410  Epilobium brachycarpum Mitch Provance 2009-7-1 709- 08 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  JOTR36393  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  JOTR35178  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  UC64301  Epilobium ciliatum subsp. ciliatum H. M. Hall July 1901 2640 Riverside Johnston Ranch San Jacinto Mountains, vicinity of Strawberry Valley (along watercourses) 1600 Comment
  OBI5915  Epilobium glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside Along trl from Tahquitz Valley to San Jacinto Peak. San Jacinto Mts 2560 Comment
  UC162736  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1896-9-3 323 Riverside San Jacinto Mountains Comment
  CLARK-A1528-3377  Epipactis gigantea John C. Roos 1941-8-2 87 Riverside San Jacinto Mountains 2133 Comment
  POM312132  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Canyon. 366 Comment
  RSA263778  Epipactis gigantea R. Weatherby 1950-5-18 2967 Riverside Hagador [Hagador Canyon]. 396 Comment
  RSA607567  Epipactis gigantea Louis C. Wheeler 1964-6-19 8487 Riverside Chino Creek, oasis near Palm Springs. Comment
  RSA607913  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains: Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR113926  Eragrostis pectinacea Mitch Provance, A. C. Sanders 2000-7-4 2080 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CLARK-A1656-789  Eremalche exilis Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  RSA432722  Eremalche rotundifolia Robert L. Dressler 1949-3-19 403 Riverside Box Canyon, Orocopia Mts. Comment
  UCR165272  Eremalche rotundifolia John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  RSA0045065  Eremogone macradenia var. macradenia P. H. Raven 1958-5-5 12899 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  CAS-BOT-BC160053  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  RSA00105462  Eriastrum densifolium subsp. austromontanum C. W. Tilforth, Jeff Barnes 1976-8-21 1222 Riverside 0.5 miles north of Idyllwild 1524 Comment
  RSA0097953  Eriastrum densifolium subsp. mohavense Duncan S. Bell 2014-11-14 7720 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  SD48054  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along U. S. Highway 99, 0.25 mile west of the junction with the road to Twenty-nine Palms. Comment
  UC2062556  Eriastrum eremicum subsp. eremicum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5116 Riverside North foot of Mt. San Jacinto: Along Snow Creek Road just south of Highway 111, south of I-10. Comment
  CAS-BOT-BC514467  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-5-23 2219 Riverside 4 mi NE of Cottonwood Spring, Eagle Mountains, Colorado Desert 1112 Comment
  OBI11567  Eriastrum eremicum subsp. eremicum R. F. Hoover 1969-4-14 11229 Riverside Palm Springs, Just south of south city limit Comment
  JOTR33875  Eriastrum harwoodii La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3056 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy fans leading to Pinto Wash 357 Comment
  SEINET4565924  Eriastrum harwoodii Duncan S. Bell 2010-4-2 682 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 3 miles northwest of Priest Well; collecting along a sandy slope above the main western drainage for the Arica mountains.; 0 464 Comment
  UCR245660  Eriastrum harwoodii Duncan S. Bell 2010-4-2 686 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; c. 2.5 air miles northwest of Priest Well; at the head of the main western drainage for the mountain range 559 Comment
  UCR98680  Eriastrum sapphirinum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA0121588  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2000-5-25 23398 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA0121557  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17283 Riverside 6.7 miles W along Highway 74 from junction with road from Idyllwild. 915 Comment
  RSA0121584  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1966-5-15 6300 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  SEINET10424706 Image available Eriastrum sapphirinum subsp. dasyanthum Norman C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  SD181418  Eriastrum sapphirinum subsp. sapphirinum Scott D. White 2000-8-5 8111 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River) (Idyllwild) 1402 Comment
  CAS-BOT-BC515043  Eriastrum sapphirinum subsp. sapphirinum Winifern W. Swarth 1914-9-17 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  JOTR34488  Ericameria cooperi Andre, Jim 2012-4-16 20972 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR51859  Ericameria cuneata Steve Boyd 1987-11-23 2094 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  RSA754133  Ericameria cuneata var. spathulata W. Schlegel, Kate Kramer 2009-11-9 62 Riverside Idyllwild: Keenwild Helibase in some rocks right below the landing platform/on the edge of the landing platform. Comment
  POM9675  Ericameria cuneata var. spathulata E. C. Jaeger 1921-11-15 257 Riverside Near Keyes Ranch. 1220 Comment
  CAS-BOT-BC287640  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 373 Riverside About 2 miles up water service road leading S from Highway 72, Deep Canyon, N slope Santa Rosa Mts 1310 Comment
  JOTR32642  Ericameria nauseosa var. mohavensis La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2563 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA736981  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10666 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UC322979  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  UCR180130  Ericameria palmeri var. pachylepis Mitch Provance 2003-4-26 9891 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
  UC1751187  Ericameria paniculata S. B. Parish 655 Riverside Whitewater Comment
  SD224831  Ericameria parryi Scott D. White 1996-8-16 4488 Riverside Idyllwild Area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.). 1707 Comment
  UCD131584  Ericameria teretifolia G. L. Webster; R. Hildreth 1966-12-9 7454 Riverside Joshua Tree National Monument, Split Rock. Comment
  JEPS3946  Erigeron breweri var. jacinteus H. M. Hall Jun 1 1901-Jul 1 1901 2322 Riverside rocky ridges and peaks near Tauquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  SBBG54332  Erigeron divergens C. Davidson 1978-6-15 7379 Riverside rd from Hwy 74 to Santa Rosa Mtn, ca. 2 mi W of jct to Santa Rosa Springs Cmpgrd 2087 Comment
  UCR167831  Erigeron foliosus T. B. Salvato, Melissa Clemons 2005-6-2 1336 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR220150  Erigeron foliosus D. E. Bramlet 1989-5-15 1858 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  UCR16872  Erigeron foliosus var. foliosus Kirk Taylor 1976-5-23 76-5-23- 12 Riverside Peninsular Range, Mesa de Colorado, 7 mi west of Murrieta on Tenaja Rd 549 Comment
  CAS-BOT-BC296246  Erigeron foliosus var. foliosus Peter H. Raven 1958-5-17 12935 Riverside 3.4 miles southeast of Banning on road to Idyllwild, San Jacinto Mountains Comment
  POM251759  Eriochloa acuminata A. R. Roos 1937-11-22 7 Riverside East washington Ave., Riverside. Comment
  CAS-BOT-BC189080  Eriodictyon crassifolium N. K. Berg 1904-4-3 s.n. Riverside San Jacinto Comment
  OBI40179  Eriodictyon crassifolium N. Miles Fellows 1984-3-20 10 Riverside Oasis de Los Osos Preserve, off Snow Crk cyn at then orth foot of the San Jacinto mtns., 1 mi W of Snow Creek Village. 488 Comment
  RSA456545  Eriodictyon crassifolium L. B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch, Hemet Valley, San Jacinto Mtns. Comment
  RSA613864  Eriodictyon crassifolium B. Pitzer 1997-4-12 3128 Riverside Lakeview Mts, Pulsar Road, 3/4 miles uphill (by road) from the base of the hills at the end of Warren Road & approx. 3/4 miles (air) SW of Mt. Rudolph. 622 Comment
  UCR174617  Eriodictyon crassifolium Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 348 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  RSA792160  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35621 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  RSA393083  Eriogonum apiculatum Albert J. Perkins 1895-9-25 s.n. Riverside Near Summit of Tahquitz Comment
  SBBG161  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk Comment
  UC412786  Eriogonum apiculatum F. M. Reed 1908-7-14 2487 Riverside summit of Tahquitz pass San Jacinto Mts. 2438 Comment
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May 1 2011
  CAS-BOT-BC242846  Eriogonum davidsonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA766422  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 999 Riverside San Jacinto Mtns. 1646 Comment
  UC6238  Eriogonum davidsonii H. M. Hall June, 1901 2088 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCD99872  Eriogonum davidsonii G. L. Webster; R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., Yucca-Juniperus parkland at Split Rock. Comment
  UCR106735  Eriogonum davidsonii John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR139099  Eriogonum deflexum B. G. Pitzer 1989-4-16 1302 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CAS-BOT-BC249955  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 713 Riverside Mesa Mira Comment
  CAS-BOT-BC250140  Eriogonum fasciculatum var. polifolium Munz; Street 1919-5-7 2745 Riverside Palm Springs 198 Comment
  RSA339070  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1980-5-28 54214 b Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  CLARK-A1528-3738  Eriogonum gracile C. Epling, William Robison 1933-6-24 Riverside San Gorgonio Wash Comment
  UC1395199  Eriogonum gracile James L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside 1.5 mi sw, along California Highway 74, near turnoff to McConville Camp summit of Santa Ana Mountains (9 mi sw of Elsinore and 22 mi ene of San Juan Capistrano) Comment
  UC56796  Eriogonum gracile H. M. Hall 1902-8-6 2655 Riverside vicinity of Riverside 457 Comment
  UC69224  Eriogonum gracile F. M. Reed 1905-9-16 818 Riverside vicinity Riverside (Terraces Ranch); Terraces Ranch Comment
  UCR274187  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-7 1441 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA479903  Eriogonum gracile var. gracile Steve Boyd 1987-9-27 2092 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  RSA66029  Eriogonum gracile var. gracile F. W. Peirson 1924-7-29 5029 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA766083  Eriogonum inflatum Joseph A. Ewan 1930-4-18 3087 Riverside Dry Morongo Creek below Morongo Valley. 518 Comment
  RSA615042  Eriogonum molestum G. R. Ballmer 1991-8-11 s.n. Riverside Santa Rosa Mountains, Santa Rosa Mountain Rd (Truck Trail going up Santa Rosa Mountain), ca. 8 mi. SE of the junction with Hwy 74. West of Deep Canyon. Comment
  SD95200  Eriogonum nidularium G. L. Webster, R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument parkland at Split Rock 1310 Comment
  UCR125895  Eriogonum nudum var. pauciflorum A. C. Sanders, Mark Elvin 2001-8-17 24596 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  JOTR30958  Eriogonum pusillum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1933 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA799084  Eriogonum pusillum Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6881 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  SJSU1822  Eriogonum pusillum J. W. Tilden 1957-4-18 1097 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCR177332  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  CAS-BOT-BC253012  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC263514  Eriogonum thomasii L. R. Abrams 1926-3-27 11120 Riverside Near Whitewater Comment
  RSA775399  Eriogonum thomasii Duncan S. Bell 2011-4-10 2251 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UC1080450  Eriogonum thomasii P. C. Everett and E. K. Balls 1958-4-29 22960 Riverside U.S.Hwy 60/70 (Indio to Blythe) 5 mi e U.S. Hwy. 99 121 Comment
  CAS-BOT-BC262874  Eriogonum thurberi Annie M. Alexander; Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  RSA0056351  Eriogonum thurberi Nancy Anderson 1955-5-19 s.n. Riverside Dead Indian Canyon. 304 Comment
  UC666509  Eriogonum trichopes Annie M. Alexander and Louise Kellogg 1941-5-28 2262 Riverside Metropolitan Aqueduct Road e Hayfield Comment
  CAS-BOT-BC268189  Eriogonum umbellatum var. munzii Frank W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  HSC17375  Eriogonum umbellatum var. munzii R. A. Eagle 1963-6-30 5 Riverside San Jacinto Mtns., Azalea Trails Girl Scout Camp Comment
  UC64572  Eriogonum umbellatum var. munzii H. M. Hall 1901-7-17 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 1828 Comment
  RSA65011  Eriogonum wrightii var. membranaceum F. W. Peirson 1937-11-27 12320 Riverside Deep Canyon Rd. at Forest Service camp, a mile or so east of crossing of the Palm Canyon Stream. N. base of Santa Rosa Mountains. 1372 Comment
  UC729614  Eriogonum wrightii var. membranaceum Mr. Dammers December 1933 Riverside Gavilan Hills Comment
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May 20 2013
  CAS-BOT-BC261791  Eriogonum wrightii var. nodosum Philip A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north base of Santa Rosa Mts. 1097 Comment
  LA207105  Eriogonum wrightii var. nodosum Harlan Lewis; 1939-10-22 1044 Riverside Santa Rosa Mountains, Palms to Pines Highway 304 Comment
  RSA65012  Eriogonum wrightii var. nodosum F. W. Peirson 1920-12-28 2340 Riverside Along Palm Canyon stream below the Canyon. Comment
  UC138186  Eriophyllum ambiguum var. paleaceum S. B. Parish and W. F. Parish Apr 1 1882-Jan 1 1900 1208 Riverside Agua Caliente Agua Caliente Comment
  CAS-BOT-BC297337  Eriophyllum confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 miles SE of Banning on road to Idylwild, San Jacinto Mts Comment
  CAS-BOT-BC297349  Eriophyllum confertiflorum B. Pitzer 1997-4-1 3051 Riverside Lakeview Mts, ca 0.75 air miles SSW of Mt Rudolph, ca 1 air mile NE of Contour (Juniper Flats) Rd 655 Comment
  UCR231776  Eriophyllum confertiflorum John F. Green 2008-4-23 08- 18 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  POM294262  Eriophyllum wallacei Lyman Benson 1945-3-29 11642 Riverside 2 miles south of Whitewater. 366 Comment
  UCR97436  Erodium brachycarpum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19842 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR201456  Erodium cicutarium Scott D. White, Justin M. Wood 2008-5-15 11969 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR120805  Erodium macrophyllum Ian G. Gillespie 2000-4-19 10 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR158513  Erodium moschatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30025 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1528-2960  Erodium obtusiplicatum John C. Roos 1966-3-22 Riverside Edgemont Comment
  RSA0108818  Erodium texanum Duncan S. Bell, Amanda Turek 2009-3-30 185 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR214276  Erodium texanum A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37482 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UC1483307  Eryngium aristulatum var. parishii Robert F. Thorne 1974-5-23 44662 Riverside top of Mesa de Colorado (w. edge of mesa n.w. of large vernal marsh, Rancho California, Santa Rosa Plateau); Santa Rosa Plateau, Rancho California 624 Comment
  HSC78564  Erysimum capitatum A. C. Sanders 1980-7-18 1651 Riverside Thomas Mtn., campground to the summit at the lookout 1982 Comment
  RSA530206  Erysimum capitatum var. capitatum E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley 1799 Comment
  SD218386  Erythranthe diffusa P. A. Munz 1922-4-30 5153 Riverside Hills south of Tuscaloa Creek on road from Aguanga. Comment
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Feb 18 2013
  SDSU14002  Erythranthe guttata Jonathan S. Austin, Michael G. Simpson 2002-4-20 22 Riverside About 50 feet from parking area off Tornado road. Riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 229 Comment
  RSA0014884  Erythranthe tilingii Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. 2439 Comment
  RSA0014888  Erythranthe tilingii G. R. Campbell 1948-7-4 616 Riverside On streambank at Azalea Trails Girl Scout Camp, near Idyllwild. Comment
  JOTR33941  Eschscholzia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2830 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  GMDRC5579  Eschscholzia androuxii Shannon M. Still, Robert Lee 2009-3-3 457 Riverside Little San Bernardino Mountains: Salvia in bloom here, along ith chia, palo verde, Hymenoclea 677 Comment
  RSA33577  Eschscholzia californica N. C. Cooper 1944-6-4 1362 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UC68548  Eschscholzia californica H. M. Hall 1905-4-13 5753 Riverside Beaumont Comment
  CDA24566  Eschscholzia minutiflora T. C. Fuller 1962-4-4 7998 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  RSA652810  Eschscholzia minutiflora Colleen Callan 1992-5-2 18 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCD94205  Eschscholzia minutiflora Shannon M. Still 2008-3-21 316 Riverside California. Riverside County: Little Maria Mountains on Midland Road. In a wash north of pass through the mountains just off west side of the road. 272 Comment
  SD244188  Eucalyptus A. C. Sanders, Timothy W. Chumley 2013-3-28 40710 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15, near old clay mines (Alberhill 7.5'Q) 395 Comment
  RSA736788  Eucalyptus camaldulensis Scott D. White, Angelia Carey 2004-7-2 10599 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SDSU13824  Eucalyptus camaldulensis W. Miller with C. Mosse Riverside Comment
  UCR132713  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-10 11123 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA672508  Eucalyptus viminalis A. C. Sanders, Chet McGaugh 1991-7-19 11143 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  UCR116971  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2001-5-3 24096 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR241820  Eucrypta chrysanthemifolia A. C. Sanders, Timothy W. Chumley 2013-4-2 40756 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  CLARK-A1656-724  Eucrypta chrysanthemifolia var. chrysanthemifolia Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  OBI52783  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Myers 1988-1 s.n. Riverside Temescal Cy, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck Trl 381 Comment
  UC702031  Eucrypta chrysanthemifolia var. chrysanthemifolia Frank W. Gould 1943-4-17 2114 Riverside 12 mi s Corona (on Elsinore road) Comment
  UCR18161  Eucrypta micrantha A. C. Sanders 1978-3-18 376 Riverside Santa Rosa Mountains, near the foot of Hwy 74 396 Comment
  UCSB4514  Eulobus californicus Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of US 99, & 3 air miles S of Riverside-San Bernardino county line 609 Comment
  RSA736107  Euphorbia L. C. Wheeler 1950-4-7 6759 Riverside Ca. 3 mi. west of Dale Lake, just west of two pumping plants on main 29 Palms- Amboy Rd. Comment
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Aug 15 2012
  SD181547  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains; 0.5 mile east of Ranger Peak. 1372 Comment
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Feb 17 2013
  UCR242866  Euphorbia abramsiana Catherine MacGregor 2012-9-13 s.n. Riverside Sonoran (Colorado) Desert, west of Blythe, 1.55 km E of Wileys Well Rd., 2.73 km south of I-10, 3.7 km NE of state prison 127 Comment
  JOTR34092  Euphorbia eriantha La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1020 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, approx. 2.5 miles north of park boundary 711 Comment
  RSA70377  Euphorbia palmeri F. W. Peirson 1922-5-21 4257 Riverside Southeast of Keene camp. San Jacinto mtns, 1463 Comment
  CLARK-A1528-2704  Euphorbia polycarpa John C. Roos 1952-4-9 5496 Riverside Riverside 335 Comment
  SDSU12950  Euphorbia polycarpa Jutta Buschbom 1991-6-10 33 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR132892  Euphorbia polycarpa Scott D. White 1996-3-16 3829 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR135818  Euphorbia polycarpa A. C. Sanders, Guy Bruyea 2004-4-2 27431 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR31670  Euphorbia polycarpa John C. Roos 1947-11-1 3755 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  UCR202586  Euphorbia serpillifolia subsp. serpillifolia Scott D. White, Justin M. Wood 2008-7-8 12375 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  SD181569  Euphorbia setiloba Scott D. White 1999-4-20 7272 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95, ca. 7.0 miles north of Interstate 10. 89 Comment
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UC1287006  Fagonia laevis C. L. Hitchcock 1966-3-16 24209 Riverside 4 mi s Palm Desert (along Palms to Pines Highway) 609 Comment
  UCR226728  Fagonia laevis Jim Andre 2011-2-9 15910 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  POM259510  Fagonia pachyacantha E. C. Jaeger 1939-12-28 s.n. Riverside Eytel Canon branching from Fargo Canon, 5 mi. east Indio. Comment
  RSA114349  Fagonia pachyacantha Percy C. Everett, E. K. Balls 1956-5-2 21556 Riverside East base of Eagle Mts., 4 miles north of turn-off of Hwy. 60/70, west of Desert Center 305 Comment
  OBI2141  Ferocactus cylindraceus P. A. Holden 1969-4-11 730 Riverside Near jctn of I-60, 70 and State 62 highways Comment
  CDA15517  Festuca arundinacea M. Lahti 1999-5-21 PDR 1238959 Riverside Southern California; Hemet. 0 Comment
  JOTR33748  Festuca bromoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2746 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR117318  Festuca dertonensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 727 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR137695  Festuca megalura D. L. Banks, V. W. Steinmann 1997-3-13 1481 B Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UC1930196  Festuca pratensis Scott D. White, Justin Wood 2008-6-24 12289 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. Comment
  CDA2821  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-1 11119 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  RSA594044  Filago californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 C Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR127333  Filago californica A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR216069  Fouquieria splendens Helen Kennedy, Fred R. Ganders 2008-4-9 6262 Riverside Sonoran (Colorado) Desert, c. 0.5 mi. from junction of Hwy 10 and Cottonwood Spring Road on dirt road to west, SE of Joshua Tree National Park 529 Comment
  JEPS44673  Fragaria vesca Carl V. Meyer Jun 1927 195 Riverside San Jacinto Mt. Comment
  SBBG82060  Frankenia salina O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  UC723892  Fraxinus dipetala Joseph Andorfer Ewan 1933-3-19 10897 Riverside Tin Mine Canyon Santa Ana Mountains Comment
  UCR58483  Fraxinus dipetala Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  SDSU12976  Fraxinus velutina Michael G. Simpson 1999-10-27 2041 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC878152  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  UCR132723  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR91647  Fremontodendron californicum subsp. californicum D. L. Banks, V. W. Steinmann 1995-7-10 0755 Riverside Agua Tibia Mtns, NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, west of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage south of the peak 'Agua 915 Comment
  UCR118811  Fumaria officinalis O. F. Clarke 2000-3-14 s.n. Riverside Peninsular Range, Riverside, in yard of O.F. Clarke residence at 266 Frost Court 360 Comment
  UCR258635  Funastrum cynanchoides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7899 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
  RSA765482  Funastrum cynanchoides var. hartwegii Doris Hoover Bowers 1972-4-15 1801 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  SD229053  Funastrum heterophyllum Dick Schwenkmeyer 2012-5-22 710 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 mi. south of intersection of highways 10 and 111, Riverside County, CA. 511 Comment
  RSA23268  Funastrum hirtellum Ernest Braunton 1940-03 2037 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA644216  Funastrum hirtellum V. W. Steinmann, P. I. Moscosa, Timothy S. Ross 1998-4-14 1364 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 182 Comment
  SEINET7248310  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-1 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCD166245  Galium Jack Major 1962-4-17 778 -b Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  RSA339348  Galium angustifolium subsp. angustifolium Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54076 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  CAS-BOT-BC223052  Galium angustifolium subsp. gracillimum H. K. Wagnon 1944-5-25 401 Riverside Along Tahquitz Creek, alluvial fan of Tahquitz Canon [Canyon], Palm Springs Comment
  SEINET4855469  Galium angustifolium subsp. jacinticum Unknown 1966-6-18 4244 Riverside Black Mountain road, 0.9 mi above junction of road to Pine Wood, San Jacinto Mountains. 1982 Comment
  UCR174053  Galium aparine A. C. Sanders 2006-5-19 32430 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
  UCR20792  Galium aparine A. C. Sanders, Steve Boyd 1980-5-2 1412 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR22051  Galium aparine Steve Boyd 1980-4-27 150 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA552709  Galium porrigens Steve D. Boyd, Tim S. Ross 1992-2-21 6665 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR262238  Galium porrigens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3717 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  CAS-BOT-BC217621  Galium stellatum subsp. stellatum Annie M. Alexander; Louise Kellogg 1941-5-18 2200 Riverside North slope of Eagle Mountains 1066 Comment
  UCR109782  Gamochaeta pensylvanica R. D. Goeden, Don W. Ricker 1972-5-20 s.n. Riverside Riverside, UCR Campus, outside insectary building near Entomology 341 Comment
  RSA391431  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Ledge [Oak Cliffs], mouth of San Jacinto Canyon Comment
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Nov 20 2011
  UC484104  Garrya veatchii B. D. Stark 1930-3-18 Riverside Mt. San Jacinto Comment
  JEPS27520  Gayophytum diffusum subsp. parviflorum W. L. Jepson 2298 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  CAS-BOT-BC303574  Geraea canescens L. R. Abrams 1926-3-26 11086 Riverside Indian Wells to Indio Comment
  UCR249662  Geraea canescens T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7299 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
  SEINET10726153  Geraea canescens David B. Dunn 1946-2-23 Dunn 1962 Riverside Collected in mud flats dry and caked and split. All American Canal catch basin from desert washes. Orocopia Mts. northeast of the Salton Sea. Very arid country. Comment
  SEINET10726154  Geraea canescens David B. Dunn 1948-3-14 Dunn 3765 Riverside Found 5 miles west of Thousand Palms. Comment
  SEINET10726155  Geraea canescens Billy Joe Cox 1975-4-23 Cox 4176 Riverside Palo Verde, 1-3 km W, (ca, 32 mi S of Blythe). 70 Comment
  RSA667080  Geranium robertianum A. C. Sanders, T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region; Riverside, UCR Botanical Garden, E side of the campus. 121 Comment
  UCR133125  Gilia A. C. Sanders 1985-5-4 5778 Riverside Santa Rosa Mtns, Hwy 74 at Santa Rosa Mountain Rd. 1402 Comment
  RSA678422  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  RSA735921  Gilia angelensis Scott D. White, Jamie Minor 2008-3-13 11771 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  UCR111601  Gilia angelensis Mitch Provance, J. Ross 1999-4-1 1734 Riverside Jurupa Mountains, Pediment of the extreme W end of the range, on the E side of Country Village Road. 250 Comment
  UCR120813  Gilia angelensis Ian G. Gillespie, Steve Boyd 2000-4-15 2 Riverside Lake Mathews, Drainage on E side of Monument Peak 488 Comment
  UCR127344  Gilia angelensis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25848 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR214546  Gilia angelensis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37859 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  SEINET6045950  Gilia australis I. W. Clokey 1935-4-16 6830 Riverside East of Hemet. Comment
  UCR18311  Gilia australis A. C. Sanders 1978-3-5 483 Riverside San Jacinto Mountains/Western Colorado Desert, Andreas Canyon near Palm Springs 396 Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  UCSB54147  Gilia capitata subsp. abrotanifolia Brownell, Kathleen 1980-5-16 Riverside 2 mi. W. on Murieta Rd. from DeLuz Rd.; Santa Ana Mts. Comment
  UCR237213  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  RSA0054867  Gilia gilioides subsp. glutinosa Keith E. Hoffmaster 1937-6-6 780 Riverside San Jacinto Mts, along Palms to Pines road. Comment
  RSA350823  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
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Oct 22 2011
  RSA0004796  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
  UCR168684  Gilia ochroleuca T. B. Salvato, John F. Green 2004-5-27 587 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC407612  Gilia ochroleuca subsp. exilis Robert F. Thorne; F. R. Fosberg; M. Sachetti 1983-4-23 55471 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 624 Comment
  HSC85263  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  RSA0017097  Gilia ochroleuca subsp. exilis Steve Boyd, Dave Bramlet 1991-5-13 6254 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA0017280  Gilia ochroleuca subsp. exilis Scott D. White, Steve Ogg 1994-4-21 2004 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UC908024  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside near Auto Camp (Temescal Canyon); Temescal Canyon 304 Comment
  JOTR35208  Gilia stellata Harding, Mitzi, Tasya Herskovitz 2011-4-20 185 Riverside Joshua Tree National Park. Burned slopes above Keys View parking area 1597 Comment
  LA210342  Gilia stellata K. Watkins; E. McClintock 1937-4-10 sn Riverside Palms to Pines Highway near road to Shumay Comment
  RSA71802  Gilia stellata F. W. Peirson 1933-4-16 10640 Riverside Deep Canyon to Idyllwild road 1067 Comment
  RSA782184  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 183 Comment
  UC68723  Gilia stellata H. M. Hall Apr., 1905 5790 Riverside 10 mi w Indio (Colorado Desert); , w of Indio 30 Comment
  RSA618004  Glinus lotoides R. E. Riefner Jr. 1998-8-13 98 -471 Riverside Elsinore Trough. Wildomar Comment
  RSA463721  Gnaphalium beneolens B. Pitzer, Jack Easton 1987-3-10 398 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi E of town of Anza on N side of Hwy 371. 1341 Comment
  UCR106347  Gnaphalium canescens subsp. beneolens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA276715  Gnaphalium chilense John F. Emmel 1978-9-25 621 Riverside Santa Rosa Mts, Mtn Home Spring. 1921 Comment
  UC1979606  Gnaphalium luteoalbum D. L Banks, Steve Boyd 1995-5-17 0463 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  UCR91735  Gnaphalium luteoalbum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18105 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA713787  Gnaphalium palustre A. C. Sanders, Kelly Volansky 2005-3-17 29209 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  SDSU14192  Gnaphalium stramineum David Mabs 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. About a hundred yards up river from where Tornado Road crosses. 235 Comment
  JOTR31076  Grayia spinosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2339 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UC354428  Guillenia lasiophylla Edmund C. Jaeger 1925-12-12 Riverside near Palm Springs; Eagle Canyon 106 Comment
  CAS-BOT-BC304638  Gutierrezia californica Meredith A. Lane 1982-10-13 3028 Riverside 45.2 km (28.1 mi) E of Kern Camp Summit of the San Jacinto Mountains on California State Highway 74 Comment
  UC63369  Gutierrezia californica E. A. Zumbro 1902-10-1 360 Riverside Riverside Comment
  UCR199575  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SEINET10948021  Gutierrezia microcephala A. K. Evans 1976-4-13 Evans 5208 Riverside Desert canyons of Santa Rosa Mountains. Comment
  POM259263  Gutierrezia sarothrae P. A. Munz 1938-8-14 15388 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  SD260183  Gutierrezia sarothrae T. B. Salvato, Arlee Montalvo 2015-8-22 8232 Riverside San Jacinto Mountains: Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74. 1402 Comment
  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
  CDA3156  Halogeton glomeratus H. Lloyd 1948-10-2 Riverside Near Corona. 0 Comment
  UCR34960  Haplopappus acradenius subsp. eremophilus L. B. Ziegler 1964-9-30 043 Riverside San Jacinto Mountains, Garner (Hemet) Valley, from Kenworthy area 1418 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
  UC480841  Helenium bigelovii A. W. Anthony 1895-7-13 Riverside San Jacinto Mt. 243 Comment
  POM320308  Helianthemum scoparium var. scoparium Worthman 1968-5-16 156 Riverside 6.7 mi. west of Murietta. 244 Comment
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Jun 16 2013
  POM319674  Helianthus annuus subsp. lenticularis Patricia Wilder 1971-9-29 5270 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  SBBG45071  Helianthus californicus I. W. Clokey with E. G. Anderson 1935-8-21 6934 Riverside N fork of San Jacinto River 1500 Comment
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  UCR19739  Helianthus gracilentus W. W. Mayhew 1977-10-1 s.n. Riverside San Jacinto Mtns., [Hwy 243] 1 mi SE of Poppet Rd. 1341 Comment
  UCR35180  Heliotropium curassavicum var. oculatum L. B. Ziegler 1974-5-20 525 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  UCR49109  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita Ecological Reserve, Santa Margarita River, near aqueduct crossing 245 Comment
  UCR58493  Hemizonia kelloggii Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  RSA736956  Hemizonia mohavensis Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 23 Riverside W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation. 1215 Comment
  RSA674594  Hemizonia paniculata Scott D. White 2000-5-5 7771 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  RSA791795  Hemizonia paniculata J. George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Road and Collier Ave. junction. 384 Comment
  SEINET1907236  Hemizonia paniculata Kent Beaman 1998-1 Riverside Peninsular Range; Gavilan Plateau: west of Perris off Elliss Rd., Santa Rosa Mine Rd, near Maywood Gun Club. 518 Comment
  UCR134655  Hemizonia paniculata Mitch Provance 1998-4-9 406 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR116653  Hemizonia pungens subsp. laevis A. C. Sanders, Carolyn Washburn 2001-5-10 24249 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR66975  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside N shoulder of Ramona Expressway, 440 m west of Lakeview & c. 587 m east of San Jacinto River 477 Comment
  UCR133332  Herniaria hirsuta subsp. cinerea 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
  JOTR16736  Hesperocallis undulata Leary, Pat 1975-4-27 1116 Riverside Joshua Tree National Park. TWO MILES EAST OF PINTO WELLS 487 Comment
  RSA0016113  Hesperocallis undulata Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24399 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA377051  Hesperocallis undulata L. H. Jones 1910-3-17 s.n. Riverside In Sand, Riverside Mountain, Colorado river. Comment
  RSA377052  Hesperocallis undulata Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA3979  Hesperocallis undulata Carl B. Wolf 1932-4-29 s.n. Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  RSA562056  Hesperocallis undulata Steve Boyd, Carol Boyd 1992-4-19 6928 Riverside N end of the Granite Mountains along powerline road near junction of Highway 177 and Highway 62. Area of transition between Mojave and colorado Deserts. Comment
  CAS-BOT-BC508662  Hesperocallis undulata Eliz. Parsons 1917-3-31 s.n. Riverside Mecca Comment
  UCR138813  Hesperocnide tenella D. L. Banks 1997-2-17 1269 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  UCR22052  Hesperocnide tenella Steve Boyd 1980-4-27 151 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  CLARK-A1045-1310  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  SD136868  Heterocodon rariflorum Steve Boyd, Tim Ross & Dave Bramlet 1993-5-13 7380 B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Wildhorse Canyon. 409 Comment
  RSA0075887  Heterotheca grandiflora Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR167931  Heterotheca grandiflora T. B. Salvato, John F. Green 2004-5-27 657 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
  SDSU1699  Heterotheca sessiliflora F. Young Berg 1933-8-28 1547 Riverside Idyllwild, San Jacinto Mts. Comment
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Mar 10 2014
  RSA575904  Heterotheca sessiliflora subsp. echioides Steve Boyd 1994-10-14 8381 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  SD136914  Heterotheca sessiliflora subsp. echioides Steve Boyd 1994-10-14 8381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland Nationsl Forest. 299 Comment
  CAS-BOT-BC310832  Heterotheca sessiliflora subsp. fastigiata D. E. Breedlove 1961-8-5 950 Riverside Hemet Valley, San Jacinto Mountains. Along State Highway 74, 5 miles east of Keen Camp 134 Comment
  SEINET156046  Hibiscus denudatus Norman C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  CAS-BOT-BC289175  Hilaria rigida J. Von Loh 1978-1-23 60325 A Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  SD259940  Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley: east side of Arica Muntains, along Rice-Midland Rd., 2.2 mi. south of Rice (Hwy 62). Rice 7.5'Q 242 Comment
  UCR214699  Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SDSU12876  Hirschfeldia incana J. Jill Steinberg, Janet Knotts and Kevin Contreras 1998-3-25 32 Riverside Approxiately 200 feet north of Santa Margarita (SDSU) Field Station trailer, on trail to road leading down to Santa Margarita River. 335 Comment
  CAS-BOT-BC207559  Hoffmannseggia microphylla Aven Nelson; Ruth Nelson 1939-3-28 3310 Riverside In the road-side swales, between Mecca and Hidden Springs Comment
  SD258922  Hoffmannseggia microphylla Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road; Side canyon forking N from Little Box Canyon, E of Box Canyon;; E side of Mecca Hills, E-NE of Mecca 281 Comment
  UCSB3086  Hoffmannseggia microphylla Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  UC718285  Hoita orbicularis Carl B. Wolf 1936-6-17 7964 Riverside Tenaja Rd 1 mi s La Cienaga (headwaters of creek); Santa Ana Mts., San Mateo Creek 609 Comment
  UCR189580  Holocarpha virgata subsp. elongata Andrea Salzman 2006-10-12 196 Riverside Peninsular Range; Santa Ana Mountains, along road from Tenaja Gaurd Station, above Tenaja Canyon. San Mateo Canyon 599 Comment
  RSA263653  Holodiscus discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 mi. west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1372 Comment
  SEINET10789442  Hordeum Robert F. Thorne 1973-5-23 Thorne 43873 Riverside Santa Rosa Plateau. Mesa de Colorado. 610 Comment
  UC1931198  Hordeum brachyantherum subsp. californicum Scott D. White, Justin Wood 2008-7-9 12418 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR202606  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR231750  Hordeum depressum John F. Green 2008-4-21 03- 03 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and Alabaster Loop, east of the San Jacinto River 457 Comment
  RSA556438  Hordeum intercedens Julie Greene 1993-4-17 1201 Riverside West of Davis Road. 433 Comment
  UCD169405  Hordeum intercedens A. C. Sanders; T. B. Salvato 2011-4-4 38974 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. and Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  SEINET259013 Image available Hordeum vulgare subsp. spontaneum B. L. Johnson Riverside CULTIVATED ; CULTIVATED at Riverside; seed collected at Curia Cypress [?Cyprus]. Comment
  RSA633327  Horkelia clevelandii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38078 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  SBBG2939  Horkelia clevelandii H. and M. Dearing 1940-6-9 4365 Riverside Palms to Pines Hwy near Herkey Crk Comment
  SEINET5327479  Hosackia oblongifolia var. oblongifolia I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San jacinto Mts. 1500 Comment
  UCR90381  Hulsea heterochroma D. L. Banks, Steve Boyd 1995-6-2 0564 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  POM360725  Hulsea vestita subsp. callicarpha Anonymous 1949-6-29 s.n. Riverside San Jacitno Mt. Above Banning 1220 Comment
  RSA0059090  Hulsea vestita subsp. callicarpha Norman C. Cooper 1944-7-16 1556 Riverside San Jacinto Mtn., above Pine Cove. 2073 Comment
  CSUSB1758  Hunnemannia fumariifolia Morse 1974-6-29 Riverside North end of Linsay Street (Glen Avon). 228 Comment
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Oct 22 2011
  SD90463  Hydrocotyle ranunculoides Robert F. Thorne, E. Lathrop 1969-6-6 39347 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  UCR92447  Hydrocotyle ranunculoides A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18113 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  POM361063  Hymenoclea salsola Ora M. Clark 1929-2-24 1537 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA458203  Hypericum androsaemum E. C. Jaeger 1921-7-1 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  POM254338  Hypochaeris glabra P. A. Munz 1941-5-18 16661 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  RSA192190  Hypochaeris radicata E. W. Lathrop 1960-6-6 4827 Riverside 14 miles W. of Murrieta. Comment
  CAS-BOT-BC219756  Hyptis emoryi Barbara Ertter; Jeffrey Strachan 1980-5-20 3478 Riverside Highway 74 (Pines to Palms Highway) near Black Hill between Palm Desert and Santa Rosa Mt 914 Comment
  JOTR31870  Hyptis emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCD166271  Hyptis emoryi Jack Major 1962-4-17 786 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  UCR104802  Hyptis emoryi George K. Helmkamp 1998-2-5 2649 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR52026  Hyptis emoryi Steve Boyd, S. Meury, , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2102 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR166827  Ipomoea purpurea Michael D. Wilcox 2005-11-19 s.n. Riverside San Bernardino Valley, Mira Loma, 13 acre fallow field at the south east junction of Hamner Ave. and Galena St., at the San Bernardino County line approximately 1.6 miles north of Swan Lake Trailer park 229 Comment
  RSA487823  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of its junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  CAS-BOT-BC311605  Isocoma acradenia var. eremophila Carl B. Wolf 1941-1-5 9817 Riverside Caleb, Colorado Desert 60 Comment
  POM319665  Isocoma menziesii var. vernonioides Patricia Wilder 1971-11-11 5302 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  CAS-BOT-BC69943  Isoetes howellii Robert F. Thorne; Earl Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau: large vernal marsh on s. end of Mesa de Colorado, Rancho California. 624 Comment
  UC596807  Isomeris arborea Rensselaer J. Smith May 1904 Riverside Whitewater Comment
  CHSC35206  Isomeris arborea var. arborea James Henrickson 1973-3-18 8610 b 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
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Apr 6 2013
  UC76429  Iva axillaris subsp. robustior Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  POM13631  Ivesia santolinoides E. C. Jaeger 1921-07 1043 Riverside Ridge to east of Tahquitz Valley 2591 Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  PASA627  Juncus canaliculatus Frank W. Peirson 1924-7-28 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  RSA0097956  Juncus mexicanus Duncan S. Bell 2014-11-14 7717 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA368337  Juncus rugulosus L. C. Wheeler 1932-9-4 1331 Riverside Santa Ana River at Chino Creek 183 Comment
  UCR23188  Juncus rugulosus P. Tomlinson 1981-5-24 40 Riverside Peninsular Range, Near Mesa de Colorado, c. 1 mi south of Tenaja Rd., 3 mi east of Squaw Mtn, and c. 0.25 mi north of central Mesa Colorado 652 Comment
  POM259178  Juncus saximontanus Phillip A. Munz 1938-8-13 15324 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA575885  Juncus textilis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, south flank of the range in upper Arroyo del Toro, Bull Canyon Road. Comment
  RSA304314  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3481 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2.0 miles S of Highway 74 (Pines to Palms Highway). 1585 Comment
  CLARK-A1528-19  Juncus xiphioides C. M. Flanagan 1973-6-13 OO 711 Riverside Morongo Indian Reservation 1127 Comment
  CLARK-A1656-856  Juncus xiphioides Jon Mark Stewart 1983-11-14 83-62 Riverside Santa Rosa Mountains 822 Comment
  RSA402299  Justicia californica L. E. Hoffman 1932-11-26 s.n. Riverside Near Palm Springs--Colorado Desert. Comment
  RSA778831  Justicia californica Jim Andre 2011-2-9 15901 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SEINET10437711 Image available Justicia californica J. R. Haller 1960-4-2 1552 Riverside North side of US Highway 60-70, 1.7 miles west of the south entrance road to Joshua Tree National Monument, about 22 miles east of Indio 488 Comment
  SEINET2163599 Image available Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs. 140 Comment
  SEINET5778644 Image available Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs Comment
  CAS-BOT-BC235503  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  RSA0119982  Keckiella antirrhinoides Duncan S. Bell, Thomas Stoughton 2016-4-13 9270 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA771102  Keckiella antirrhinoides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4716 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 W116.65119. 604 Comment
  SJSU7917  Keckiella antirrhinoides G. B. Youngberg 1956-3-20 225 Riverside near La Sierra College, Arlington 231 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  LA209287  Keckiella antirrhinoides var. antirrhinoides Anna Lang; 1971-4-19 sn Riverside San Timoteo Badlands; slope near roadcut along Redlands Blvd 640 Comment
  UCR116980  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, T. B. Salvato 2001-5-3 24083 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA160543  Keckiella rothrockii subsp. jacintensis J. D. Olmsted 1959-7-1 704 Riverside 1/4 mi. N of trunoff to Strawberry Cienega along trail from saddle to San Jacinto Park.; 4 mi ENE of Idyllwild; San Jacinto Mtn. Range. 2744 Comment
  UC489080  Keckiella rothrockii var. jacintensis C. V. Meyer 1928-7-27 Riverside Round Valley; San Jacinto Mt. 2773 Comment
  POM10224  Koeleria macrantha F. M. Reed 1907-5-5 1338 Riverside Fairmont Park Comment
  RSA180390  Koeleria macrantha E. W. Lathrop 1965-5-18 5761 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  UCD86077  Koeleria macrantha F. M. Reed 1906-6-16 1073 Riverside Vicinity of Riverside, City Creek Grate. 1463 Comment
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May 1 2011
  CAS-BOT-BC273669  Koeleria pyramidata Cecil Hart 1922-5-21 27 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC273672  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  SEINET10910278  Krameria J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12830 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  CAS-BOT-BC61430  Krameria bicolor K. Bonner 1977-10-29 2585 Riverside Midland Road W. of Blythe 121 Comment
  SBBG68478  Krameria bicolor Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  SEINET3151183  Krameria canescens S. B. Parish 1907-4-23 6109 Riverside Western border of the Colorado desert 150 Comment
  LA45704  Krameria erecta Virginia Mars; 1951-5-27 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  JEPS64826  Krameria grayi W. L. Jepson 1912-10-28 5238 Riverside near Riverside Mts. (<Botanical Expedition along the Colorado River Needles to Yuma..>); Colorado River, near Riverside Mts. 91 Comment
  JOTR32043  Krameria grayi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2258 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA790193  Krameria grayi Jim R. Shevock 1986-3-23 11356 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center. 350 Comment
  UC449697  Krameria grayi E. E. Schellenger 1911-4-25 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs Comment
  RSA596115  Lactuca serriola D. L. Banks 1996-11-7 1198 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  CLARK-A1528-4705  Lamarckia aurea John C. Roos 1947-3-21 3373 Riverside Reche Canyon 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
  RSA727084  Larrea tridentata Naomi S. Fraga, Lisa Rojas 2005-2-10 1373 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR19763  Larrea tridentata Michael Nugent 1969-4-15 3 Riverside Sonoran (Colorado) Desert, 12 mi north of Palm Springs on Hwy 111 at Windy Point; sand dune area at the base of the E-facing slope 915 Comment
  CAS-BOT-BC412730  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside Vicinity of Riverside 304 Comment
  SEINET10479878  Lastarriaea coriacea James L. Reveal 1988-5-23 Reveal 6865 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, on sandy granitic soil north of the highway and south of the San jacinto River, associated with Encelia and Eriogonum at about 2000 feet elevation. Sec. 10, T5S, R1E. 610 Comment
  CAS-BOT-BC338921  Lasthenia californica H. M. Hall 1902-4-22 2941 Riverside Rialto. Vicinity of Riverside Comment
  CAS-BOT-BC352708  Lasthenia coronaria Rimo Bacigalupi; Gene Newcomb 1952-4-25 4399 Riverside Along State Hwy 79 close to summit of St. Johns Grade, about 3/4 mile south of Sage 731 Comment
  UCR152634  Lasthenia coronaria A. C. Sanders 2005-4-22 29588 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR104636  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-12 2452 Riverside San Jacinto Wildlife Area. 46m S and 23m west of the N end of Pond No. 1. 1.4 km NE of the reserve at Davis rd. 433 Comment
  UCR189572  Lasthenia glabrata subsp. coulteri Theresa Johnson 2007-3-27 309 Riverside San Jacinto Valley, San Jacinto Wildlife Area east of Davis Road, on southern edge of self-guided tour's 'Marsh A 433 Comment
  UCR75965  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-29 2246 Riverside San Jacinto Valley, c. 530 m west of Gilman Springs Rd (State hwy 79), & c. 760 m south of Bold Style Ave. Just NW of the Quail Ranch golf course 435 Comment
  RSA695577  Lasthenia gracilis Keith E. Hoffmaster 1936-4-26 712 Riverside Box Springs grade. Comment
  UCR260561  Lasthenia gracilis T. B. Salvato 2015-4-2 8104 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  UCR270179  Lathyrus vestitus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42398 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA501003  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3121 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
  SD8722  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-1 Riverside Temecula Comment
  POM361633  Layia glandulosa Christopher Davidson 1973-4-19 1990 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  JEPS40023  Layia platyglossa W. L. Jepson 1901-5-20 1322 Riverside Thomas Valley (prob. Garner Valley); Mt. San Jacinto Range 1341 Comment
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Feb 16 2013
  RSA585518  Layia platyglossa D. L. Banks, S. D. Boyd 1995-5-9 0380 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR241016  Layia platyglossa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1216 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-03 976 Comment
  UCR250572  Layia platyglossa A. C. Sanders 2014-4-18 41035 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  UCR3424  Layia platyglossa John Kitasako 1964-5-10 45268 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley, 6 mi SE of Hemet Reservoir 1372 Comment
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Jan 7 2013
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA741206  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11961 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA660539  Lepechinia cardiophylla Orlando Mistretta 1992-6-10 516 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UCR126389  Lepechinia cardiophylla E. W. Lathrop 1973-6-28 7440 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR127542  Lepidium A. C. Sanders, T. B. Salvato 2003-5-21 26784 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  POM265283  Lepidium fremontii I. L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  RSA429901  Lepidium fremontii Susan Hutchinson 1927-02 s.n. Riverside Waste places, Colorado Desert. Comment
  RSA429902  Lepidium fremontii D. A. Young 1969-3-28 464 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA485839  Lepidium fremontii T. S. Elias 1988-2-26 10677 Riverside Joshua Tree National Monument, Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  SBBG70822  Lepidium fremontii S. W. Hutchinson, M. N. Ackley -Feb-1927 143 Riverside Desert Center 182 Comment
  UCR281236  Lepidium latipes Mitch Provance, Jeremiah George 2017-3-23 317- 65 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  SDSU12850  Lepidium pinnatifidum Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998I Riverside Road to southwest of SDSU Margarita Field Station, ca. 1000 feet SW on road to switchback, northwest of bend in road. 262 Comment
  CAS-BOT-BC13022  Lepidium virginicum Peter H. Raven; Sidney R. Snow 1956-6-30 9528 Riverside 4.7 miles east of Temecula on Highway 71. Comment
  UCR167863  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 645 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
  RSA495818B  Lepidium virginicum var. virginicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2928 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA450059  Leptochloa panicea subsp. mucronata J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  SEINET3005063  Leptochloa uninervia G. Rink 2011-4-30 10501 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA152143  Leptosiphon ciliatus Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  UCR128246  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2003-10-16 27337 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  CAS-BOT-BC339367  Lessingia glandulifera var. glandulifera Otto T. Solbrig 1958-8-21 2770 Riverside Side of stopping area on Highway 74, between Valle Vista and Keen Camp (3.5 miles west of Keen Camp) Comment
  POM253439  Lessingia glandulifera var. glandulifera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  POM361809  Lessingia glandulifera var. glandulifera H. de 1932-8-28 15808 Riverside W side San Jacinto Valley. Comment
  UC33152  Lessingia glandulifera var. glandulifera H. M. Hall 1901-8-1 2626 Riverside in vicinity Strawberry Valley; San Jacinto Mountains, Strawberry Valley 1584 Comment
  POM147626  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside alkaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, ca. 7 mi. due W of Temecula] 625 Comment
  CAS-BOT-BC130875  Lilium parryi Mary F. Spencer 1919-7-3 1235 Riverside San Jacinto Mt. 1676 Comment
  RSA716346  Limonium ramosissimum R. E. Riefner 2006-8-2 6 -356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Rd. 289 Comment
  JOTR33964  Linanthus bigelovii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2850 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  UCR1078  Linanthus dianthiflorus Robert A. Hawthorne 1957-3-23 s.n. Riverside Santa Ana Mtns., [road (Guava St.?) to Vail Ranch], 4 mi. southwest of Murrieta 366 Comment
  POM73995  Linanthus dianthiflorus subsp. dianthiflorus Marcus E. Jones 1903-5-11 10278 Riverside Whitewater. 305 Comment
  RSA0095278  Linanthus filiformis J. C. Roos 1958-3-15 s.n. Riverside 3 miles SE of Desert Center, Chuckwalla Mtns. Comment
  UC2029974  Linanthus floribundus Scott D. White, Tasha LaDoux 20 Apr 2000 7702 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  RSA778832  Linanthus jonesii J. Andre 2011-2-9 15904 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  CLARK-A1528-3477  Linanthus liniflorus John C. Roos 1952-5-26 5712 Riverside Reche Canyon 457 Comment
  JEPS58470  Linanthus liniflorus W. L. Jepson 1914-5-25 6076 Riverside Beaumont Comment
  UC23766  Linanthus parviflorus Geo. R. Hall 1901-3-17 1674 Riverside near Riverside Comment
  UCR41453  Linaria bipartita B. G. Pitzer 1986-2-22 0017 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  UCR1599  Linaria maroccana R. L. Irwin 1962-5-8 0078 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  RSA0010985  Lithophragma affine Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2124 Riverside Santa Rosa Mountains. Comment
  RSA0010983  Lithophragma affine N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  RSA0010986  Lithophragma affine Ora M. Clark 1929-3-29 1949 Riverside S. Hemet. Comment
  CSUSB1428  Lobularia maritima Annette Price 1962-3-31 012 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. Comment
  SEINET3141203  Loeseliastrum schottii R. W. Spellenberg, N. Zucker 2001-3-25 13181 Riverside Box Canyon 8 km E of valley edge E of Mecca 140 Comment
  UCSB38657  Loeseliastrum schottii Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. w/ Hwy 111 at Indian Wells; Whittaker transect #W-220 950 Comment
  RSA0123282  Logfia arizonica Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8995 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SDSU13914  Logfia gallica Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2135 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  RSA557890  Lomatium lucidum Steve Boyd, Orlando Mistretta 1992-4-22 7004 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA587146  Lomatium lucidum D. L. Banks, S. D. Boyd 1995-6-2 557 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak '3790., On the boundary of sections 32 & 33. 1042 Comment
  SEINET7073338  Lomatium utriculatum 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
  SDSU21254  Lonicera interrupta S. H. Bullock 1972-5-20 262 Riverside San Jacinto Mtns. Banning: Idyllwild rd. 3 mile S. US I-10. N exposure. 707 Comment
  RSA0043382  Lotus grandiflorus John F. Emmel 1996-6-22 1414 Riverside San Jacinto Mts.; tributary of Dark Canyon, just below Fern Basin Campground (0.1-0.2 air mile west of the campground). 1853 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
  UCR155156  Lotus hamatus A. C. Sanders, Kelly Volansky 2005-3-17 29205 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
  UCR182312  Lotus hamatus Mitch Provance 2003-4-5 6613 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  RSA680834  Lotus heermannii var. heermannii Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8665 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
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  RSA406728  Lotus nevadensis var. nevadensis N. C. Cooper 1944-6-16 1445 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA90355  Lotus nevadensis var. nevadensis F. W. Peirson 1924-7-27 4989 Riverside San Jacinto Mountains: Dark Canyon. 2226 Comment
  UCR87861  Lotus oblongifolius Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA339624  Lotus procumbens R. F. Thorne, C. W. Tilforth 1980-5-28 54164 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  SEINET3523644  Lotus procumbens var. procumbens A. C. Sanders, H. Spilman, CNPS field trip 1993-4-24 13788 Riverside SE end of San Bernardino Mountains: S end of Whitewater Bench, E side of the mouth of Whitewater Canyon 450 Comment
  JOTR31881  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA406793  Lotus rigidus Anstruther Davidson 1895-04 s.n. Riverside Palm Springs; Colorado Desert. Comment
  UC922960  Lotus rigidus Annie M. Alexander and Louise Kellogg 1940-3-21 890 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  RSA406911  Lotus scoparius M. B. Dunkle 1933-5-6 3384 Riverside Dry Morongo Creek. Comment
  RSA658884  Lotus scoparius Douglas A. Springer 1981-2-16 6 Riverside 2.9 miles E of La Serra Rd., E of Corona. Comment
  RSA770427  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4875 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
  UCR192716  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2008-6-10 35448 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  GMDRC2047  Lotus scoparius var. brevialatus J. Andre 2006-4-26 6766 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA586121  Lotus scoparius var. brevialatus D. L. Banks, S. D. Boyd 1995-4-5 0161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
  RSA715347  Lotus scoparius var. brevialatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32672 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  UCR21838  Lotus scoparius var. brevialatus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  JEPS29296  Lotus strigosus Rimo Bacigalupi, and L. R. Heckard 1962-3-25 8391 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of the Santa Ana Mountains); Santa Ana Mountains 304 Comment
  RSA795819  Lotus strigosus C. P. Cowan 1978-4-25 1267 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UC864941  Lotus strigosus I. W. Clokey and B. C. Templeton 1930-4-9 4662 Riverside n of Banning 1100 Comment
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Mar 13 2011
  UCR107403  Lotus strigosus B. G. Pitzer 1997-3-23 2975 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
  UCR20782  Lotus strigosus A. C. Sanders, Steve Boyd 1980-5-2 1393 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  VVC945  Lotus strigosus G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2718 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  POM7040  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2379 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA496656  Lotus tomentellus B. Pitzer 1988-3-10 643 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR189545  Ludwigia peploides subsp. peploides Fred M. Roberts, S. Leatherman 2007-9-19 6582 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  POM182070  Lupinus arizonicus P. A. Munz 1932-3-14 11986 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM349945  Lupinus arizonicus A. M. Johnson 1933-4-28 s.n. Riverside 2 miles up from Palm Springs highway, Hemet Mt. road. Comment
  RSA160028  Lupinus arizonicus David B. Dunn 1946-2-22 1965 Riverside All American Canal catch basin from desert washes. Orocopia Mts. north east of the Salton Sea. Comment
  RSA414834  Lupinus arizonicus H. de Forest 1937-3-15 s.n. Riverside West of Desert center Comment
  RSA781805  Lupinus arizonicus Duncan S. Bell 2010-5-1 876 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR138567  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR165300  Lupinus arizonicus John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCR200297  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11217 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
  CLARK-A1528-492  Lupinus bicolor Annette Price 1962-5-1 O 58 Riverside Murrieta Comment
  RSA678421  Lupinus bicolor Michael Wall 2003-4-6 261 Riverside San Jacinto Valley, vacant lot off Ramona Expressway at Donna Ave. adjacent to Soboba Health Clinic. Property for sale for Future housing development. 506 Comment
  RSA735922  Lupinus bicolor Scott D. White, Jamie Minor 2008-3-13 11770 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  SEINET7073311 Image available Lupinus bicolor A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR136254  Lupinus bicolor A. C. Sanders 2004-4-20 27570 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
  RSA561785  Lupinus bicolor subsp. marginatus Steve Boyd 1992-4-14 6843 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Mar 23 2007
  RSA0121052  Lupinus concinnus Duncan S. Bell, LeRoy Gross 2016-3-29 9114 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
  SEINET3208892  Lupinus concinnus G. Goodwin 2012-6-14 3447 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR110938  Lupinus concinnus George K. Helmkamp 1998-6-27 4097 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA673506  Lupinus concinnus subsp. optatus Scott D. White, Bill La Haye 2000-5-27 7936 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET10485231  Lupinus densiflorus var. glareosus August J. Breitung 1953-6-12 Breitung 15552 Riverside Santa rosa mts., Hwy 74, san bernardino nat'l forest. Petals lilac to cream. Comment
  OBI30168  Lupinus hirsutissimus Iversen 1974-4-27 s.n. Riverside El Cariso Crk Comment
  POM24329  Lupinus hirsutissimus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA413692  Lupinus hirsutissimus N. C. Cooper 1945-5-5 2249 Riverside San Gorgonio Mountains above Banning 762 Comment
  RSA594769  Lupinus hirsutissimus D. L. Banks, Dylan Hannon 1996-5-3 0995 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  SEINET8042261  Lupinus hirsutissimus Unknown 404 Riverside Boxsprings Mts. Comment
  RSA442334  Lupinus hyacinthinus George R. Johnston 1928-9-3 s.n. Riverside San Jacinto Mt. 3277 Comment
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Jul 6 2008
  UCR93020  Lupinus latifolius G. P. Schultz 1994-4-7 72 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  LA205136  Lupinus latifolius var. parishii C. B. Wolf; 1936-6-17 7954 Riverside Santa Ana Mountains, along Ortega Hwy, San Juan Canyon 2.6 mi. E of Orange County Line 457 Comment
  UCD39069  Lupinus microcarpus var. densiflorus Beecher Crampton 1963-5-7 6780 Riverside 5 miles (in direct line) s.e. of Elsinore, Bundy Road. Western part of county. Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  CLARK-A1528-2850  Lupinus sparsiflorus John C. Roos 1937-4-18 1357 Riverside Cabazon Comment
  JOTR16695  Lupinus sparsiflorus Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR34361  Lupinus sparsiflorus Andre, Jim 2012-4-16 20876 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA620640  Lupinus sparsiflorus B. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3585 Riverside San Bernardino Mountains: Wildlands Conservancys Mission Creek Preserve. 762 Comment
  RSA775449  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4409 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC68636  Lupinus sparsiflorus H. M. Hall Apr 1905 5759 Riverside Palm Springs; Colorado Desert 152 Comment
  POM305375  Lupinus succulentus Henry J. Ramsey, Henry J. Ramsey 1938-3-28 643 Riverside Elsinore Comment
  SD237444  Lupinus succulentus A. C. Sanders, T. B. Salvato 2011-4-1 38948 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 mk NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash (Lake Elsinore 7.5'Q) 402 Comment
  RSA586157  Lupinus truncatus D. L. Banks, S. D. Boyd 1995-3-30 0122 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 726 Comment
  RSA590648  Lupinus truncatus E. W. Lathrop 1965-5-9 5745 Riverside 6 miles W of Murrieta. Comment
  CAS-BOT-BC231425  Lycium andersonii F. M. Reed 1917-12-1 s.n. Riverside Tequesquite Canon [Canyon], Riverside Comment
  SEINET3825223 Image available Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon, 2 miles north of Boulevard from Banning to Indio Comment
  UCR712  Lycium andersonii Alan Chamberlain 1957-3-16 s.n. Riverside Riverside, Box Springs Mtns, SSW slope of 2556 ft. peak above streambed in Big Springs Canyon 396 Comment
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  CAS-BOT-BC231481  Lycium brevipes var. brevipes W. I. Follett; E. B. Follett 1966-4-25 s.n. Riverside Ancient beach line N. of Salton Sea State Park headquarters Comment
  JOTR35295  Lycium cooperi Andre, Jim 2012-4-11 20792 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  POM10257  Lythrum californicum Unspecified 1903-09 175 Riverside West Riverside bridge Comment
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Apr 7 2011
  POM248435  Machaeranthera asteroides Philip Grow 1939-7-3 s.n. Riverside Blythe. Comment
  RSA479915  Mahonia dictyota Steve Boyd 1987-11-23 2095 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  RSA0056000  Malacothamnus densiflorus T. B. Salvato, Matthew Malle 2013-4-5 7512 Riverside Perris-Aguanga Basin: Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle. 604 Comment
  CAS-BOT-BC203973  Malacothamnus fasciculatus Lester Rowntree 1937-11-6 s.n. Riverside Pines to Palms Comment
  UCR261167  Malacothamnus fasciculatus A. C. Sanders, Katie Young, John Hale 2015-4-22 41599 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR123633  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, A. C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, W side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. c. 1370 ft. NE of San Diego Co. line 186 Comment
  POM157908  Malacothrix clevelandii P. A. Munz 1927-5-20 10813 Riverside 10 miles south of Hemet Comment
  POM229455  Malacothrix clevelandii P. A. Munz 1937-5-30 15087 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
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Sep 4 2009
  RSA673873  Malacothrix clevelandii Scott D. White 2000-5-27 7939 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR104960  Malacothrix clevelandii A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20629 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
  UCR19711  Malacothrix clevelandii John C. Roos, L. Roos 1954-5-15 6119 Riverside summit of Reche Canyon 732 Comment
  UCR72183  Malacothrix coulteri Theo Glenn 1992-3-31 92 10 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  JOTR33975  Malacothrix glabrata La Doux, Tasha, M. Harding 2010-4-7 2863 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA554211  Malacothrix glabrata Theo Glenn 1991-4-9 91 -5 Riverside Big wash in Eagle Mountains 786 Comment
  UC831116  Malacothrix glabrata C. L. Hitchcock 1940-4-4 5929 Riverside 1.5 mi ne Cottonwood Spring (along 29 Palms Road, Joshua Tree National Monument) Comment
  RSA588604  Malva parviflora D. L. Banks, Steve D. Boyd 1995-10-17 815 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC63861  Malvella leprosa H. M. Hall 1897-5-17 533 Riverside vicinity of Perris 457 Comment
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Feb 5 2013
  UCR23603  Malvella leprosa John C. Roos 1952-6-18 5776 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  POM13095  Mammillaria tetrancistra P. A. Munz 1921-12-31 5012 Riverside Andreas Canyon, Palm Springs. Comment
  JEPS42475  Marah macrocarpa Marjorie D. Clary 1932-3-20 1476 Riverside 10 mi ne Garnet (drains Moreno Valley); Colorado Desert, Conchilla Range, Mission Creek 457 Comment
  SD138007  Marah macrocarpa Darin L. Banks, Steve Boyd 1995-3-30 131 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, Agua Tibia Mountain, Woodchuck Trail 633 Comment
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Jun 4 2009
  SD260213  Marah macrocarpa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42393 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site (Pechenga 7.5'Q) 465 Comment
  UCR216399  Marah macrocarpa var. macrocarpa Mike Bell 2008-3-30 026 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  JOTR29083  Marina parryi La Doux, Tasha 2005-3-30 1200 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA85835  Marsilea vestita F. W. Peirson 1930-5-10 8768 Riverside along the boulevard opposite March Field, south of Riverside 457 Comment
  UCR12617  Marsilea vestita K. H. Fisher 1968-5-14 10 Riverside Santa Ana Mountains, Murrieta, cattle reservoir 50 yards from Tenaja Rd & 8 mi from Washington St. 549 Comment
  UCR20966  Marsilea vestita A. C. Sanders, Steve Boyd 1980-5-19 1479 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UC1605508  Marsilea vestita subsp. vestita Terry O'Brien May 1995 2126 Riverside ca. 5 mi sw of Grand Ave. in Murrieta (on Clinton Keith Rd., Pool C2 in Lathrop & Thorne); Mesa de Colorado, Santa Rosa Plateau Preserve 600 Comment
  SD124724  Matelea parvifolia A. C. Sanders, Pitzer, Charlton, et al. 1986-3-2 6053 Riverside Chuckwalla Bench, south side of the Chuckwalla Mountains, on the Bradshaw Road about 2 miles east of the gasline road. 640 Comment
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Aug 29 2010
  UCR213837  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR217530  Meconella denticulata Diane Menuz 2009-4-30 489 Riverside Penimsular Ranges: Santa Ana Mts., Cleveland National Forest; c. 0.38 km east of Wildomar Rd., along Tenaja Canyon, near entrance and parking area 573 Comment
  SEINET238796 Image available Melia azedarach A. C. Sanders 1997-1 20616 Riverside Lake Skinner area; old house site at gated road junction into Shipley Reserve area ca. 1 km NE of Lake Skinner in mout 457 Comment
  POM1219  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canon (West of Elsinore). 366 Comment
  UCR2535  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Murray Canyon 457 Comment
  SEINET10599377  Melica frutescens Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4689 A Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. T8S R1W S26 N1/2. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. 579 Comment
  UCR168613  Melica imperfecta T. B. Salvato, John F. Green 2004-5-27 579 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA519229  Melilotus indicus Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UCR273502  Melinis repens subsp. repens A. C. Sanders, Glen Morrison 2016-8-4 42614 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Corona Cala Camino near intersection with El Cerezo Rd., south side of Redonda Mesa 732 Comment
  UCR149976  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  POM3010  Mentzelia affinis I. M. Johnston, P. A. Munz 1918-4-27 2163 Riverside Near Corona. 274 Comment
  UC68742  Mentzelia affinis H. M. Hall apr 1905 5766 Riverside Colorado Desert, Cathedral Cayon 91 Comment
  UCR72155  Mentzelia desertorum Theo Glenn 1991-5-8 91- 85 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  POM13053  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4836 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  UCR166291  Mentzelia jonesii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR92259  Mentzelia laevicaulis Scott D. White 1995-8-23 3573 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC19597  Mentzelia laevicaulis var. laevicaulis Geo. F. Reinhardt June 1897 Riverside Southern California, San Jacinto Valley Comment
  RSA264571  Mentzelia longiloba var. longiloba C. W. Tilforth, John Dourley 1977-5-19 1323 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  RSA446777  Mentzelia micrantha N. C. Cooper 1944-6-4 1351 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  SEINET3005061  Mentzelia multiflora subsp. longiloba G. Rink 2011-4-29 10499 Riverside Campus of Palo Verde College, near Blythe 118 Comment
  RSA5165  Mentzelia obscura Carl B. Wolf 1932-4-26 2976 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  POM161745  Menyanthes trifoliata R. C. Bacigalupi 1927-7-11 1703 Riverside Grassy Lake meadows. 1890 Comment
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Mar 15 2014
  SD152926  Micropus californicus Steve Boyd, Tim Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR90392  Micropus californicus var. californicus D. L. Banks, Steve Boyd 1995-5-9 0338 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 732 Comment
  RSA660566  Microseris heterocarpa Starr Streight 1982-4-17 21 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA85097  Microseris heterocarpa J. C. Roos 1952-4-2 5457 Riverside at Edgemont, near Box Springs 488 Comment
  UCR102881  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR120954B  Microseris heterocarpa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 B Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR182514  Microseris heterocarpa Mitch Provance 2005-5-17 6596 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR250580  Microseris heterocarpa A. C. Sanders 2014-4-18 41022 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  UCR281247  Microseris heterocarpa Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 39 Riverside Temescal Valley, East side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail. 361 Comment
  UCR90391  Microseris heterocarpa D. L. Banks, Steve Boyd 1995-5-9 0326 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR182357  Microseris lindleyi Mitch Provance 2005-5-17 6556 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  SDSU13959  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  SDSU10749  Mimulus aurantiacus H. Wedberg 1962-5-23 948 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  LA209117  Mimulus aurantiacus var. pubescens Elizabeth McClintock; 1935-5-12 sn Riverside Massacre Canyon near San Jacinto Comment
  POM8474  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2293 Riverside Butte west of Lakeview. 610 Comment
  UCR91463  Mimulus aurantiacus var. pubescens Scott D. White 1995-3-30 2668 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  JEPS15209  Mimulus aurantiacus var. puniceus A. Lewis May 1934 409 Riverside San Juan Canyon Cleveland National Forest, Corona Quadrangle Comment
  POM256706  Mimulus aurantiacus var. puniceus W. Pequegnat 1940-6-15 s.n. Riverside Bear Springs 1311 Comment
  UC943921  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1891 Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  UC943922  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  UCR107382  Mimulus aurantiacus var. puniceus B. G. Pitzer 1997-3-23 2958 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
  UCR3990  Mimulus aurantiacus var. puniceus Art Whistler 1965-4-7 s.n. Riverside Peninsular Range, On the E side of Hwy 395, just north of San Diego County line at the entrance to 'Bibleland 229 Comment
  RSA676273  Mimulus bigelovii Scott D. White 2001-4-3 8226 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA49354  Mimulus bigelovii var. bigelovii P. A. Munz 1949-4-11 13012 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  RSA535794  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 ESE of I-10 interchange at Desert Center along dirt road parallel to I-20 (S side of freeway), not far beyond, E of the Desert Center Pumping Station. 82 Comment
  RSA736296  Mimulus brevipes Scott D. White, Justin M. Wood 2008-5-27 12035 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SEINET4095872  Mimulus brevipes C. Davidson 1975-1 2812 Riverside 5.4 miles north of Alameda Station on road R1 from Idyllwild to Banning. 1652 Comment
  UCR133168  Mimulus diffusus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UCR217568  Mimulus diffusus Jeff B. Galvin 2009-4-21 87 Riverside Peninsular Ranges, Lake Skinner Multi-Species Reserve, South of Tucalota Creek, just east of the equestrian trail 471 Comment
  CLARK-A1528-4246  Mimulus floribundus Pete Holliday 1969-5-19 Riverside Riverside Comment
  JOTR31050  Mimulus guttatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UC76436  Mimulus nasutus Miss M. Alice King March, 1893 Riverside Menifee Comment
  RSA586335  Mimulus palmeri D. L. Banks, S. D. Boyd 1995-5-3 200 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
  UC27074  Mimulus palmeri H. M. Hall 1901-6-22 2230 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR82901  Mimulus parishii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15803 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC667306  Mimulus rubellus Annie M. Alexander and Louise Kellogg 1941-5-6 2128 Riverside 13 mi sw 29 Palms; Joshua Tree National Monument 1371 Comment
  SEINET7067553  Mimulus viscidus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. UTM Zone 11, 476286mE, 3704448mN. Comment
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Jul 13 2018
  JEPS51437  Minuartia douglasii W. L. Jepson 1901-5-27 1477 Riverside hill between Cahuilla and Aguanga 624 Comment
  RSA0105080  Mirabilis californica var. californica Daphne K. Christopher, Hannah Stevens 2003-4-6 101 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  UCR132705  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  CAS-BOT-BC434681  Mirabilis laevis var. crassifolia G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  RSA0027987  Mirabilis laevis var. crassifolia Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA0027991  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4085 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
  POM250680  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs. Comment
  RSA678385  Mirabilis laevis var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10450 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC1595570  Mirabilis tenuiloba W. Wisura, A. King, and L. Newcomb 1992-4-10 4663 Riverside Mission Creek Ranch w of Hwy 62 below Morongo Valley Comment
  JOTR31982  Mohavea confertiflora La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2157 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  POM308421  Mohavea confertiflora Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3099 Riverside 10 miles east of Indio. Comment
  RSA408759  Mohavea confertiflora Christopher Davidson 1979-4-4 7692 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SBBG81713  Mohavea confertiflora S. A. Junak 1983-3-23 1646 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  RSA0010770  Mollugo verticillata Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6342 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  RSA515346  Monardella lanceolata var. lanceolata Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, mouth of Miller Canyon, N of Mesa de Burro. 351 Comment
  POM247469  Monardella linoides subsp. linoides P. A. Munz 1941-10 17238 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  UC1931123  Monardella linoides subsp. linoides Scott D. White, Justin Wood 2008-7-10 12457 Riverside San Jacinto mountains: Fobes spring (Palm View Peak) Comment
  RSA450083  Monardella macrantha subsp. hallii J. C. Roos 1962-6-30 s.n. Riverside Sugarloaf, Santa Ana Mountains Comment
  LA96108  Monardella nana Carl Epling; 1941-6-5 sn Riverside Santa Rosa Mountains, 1.2 mi E of Ribbonwood Camp, Pines to Palms Hwy Comment
  LA96109  Monardella nana Elizabeth McClintock; 1941-6-8 69 Riverside 3 mi. E of Ribbonwood Camp, Pines to Palms Hwy Comment
  RSA300464  Monardella nana subsp. arida Walter Wisura 1982-5-29 3826 Riverside San Jacinto Mountains, along Pacific Crest Trail ca. 2 miles from Hwy 1524 Comment
  SEINET4151978 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 80 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 5.5 miles beyond canyon where stream crosses road 2317 Comment
  UCR135712  Monardella nana subsp. arida Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9011 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  SEINET10582419  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 57 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.5 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on top of left road cut (heading back towards Hwy. 74). T7S,R5E,S29. 1 medium-sized clump, really an outlier of 56. With Lotus scoparius and grasses. Comment
  RSA750293  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Black Mt. 2 miles beyond the snow gate. Comment
  CAS-BOT-BC349811  Monoptilon bellioides L. R. Abrams 1926-3-26 11105 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  POM363605  Monoptilon bellioides Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  RSA450538  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  RSA457759  Monoptilon bellioides Steve Boyd, S. Meury, Laurel Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2126 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA81012  Monoptilon bellioides G. R. Campbell 1952-4-5 18367 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UC1786301  Monoptilon bellioides Dale E. Johnson with J. L. Strother 1974-4-25 98 Riverside Palm Desert, wash just NW of turnoff to Hemet on California 111 (Palm Springs-Banning rd). Comment
  UC494674  Monoptilon bellioides Philip A. Munz 1932-5-14 11997 Riverside above edge of wash Coachella Valley, Deep Canyon 91 Comment
  RSA648069  Muhlenbergia asperifolia J. C. Roos 1946-9-14 3002 Riverside Dos Palmas Springs east of Asbestos Mt. 1066 Comment
  UCR2778  Muhlenbergia asperifolia F. M. Reed 1907-9-21 1951 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Spring Brook in Pellisier's horse pasture 250 Comment
  RSA559443  Muhlenbergia microsperma Steve Boyd 1992-4-15 6869 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA676130  Muhlenbergia microsperma Scott D. White 2001-4-17 8330 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
  SD247289  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Red Cloud Casnyon 7.5'Q) 679 Comment
  SEINET244828 Image available Muhlenbergia microsperma Scott D. White 1999-5-19 7368 Riverside Lake Skinner Area 549 Comment
  UCR125760  Muhlenbergia rigens A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25658 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCR127575  Muilla maritima D. E. Bramlet 2003-4-18 3375 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 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
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  RSA421098  Nama demissa M. B. Dunkle 1937-3-25 4947 Riverside Colorado Desert. Comment
  RSA718828  Nama demissa Michael Honer, L. Hulse 2004-4-3 1923 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
  RSA778009  Nama demissa var. demissa Jim Andre 2011-2-9 15920 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCD119569  Nama demissa var. demissa William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR139450  Nama hispida E. C. Jaeger 1922-4-9 720 Riverside Sonoran (Colorado) Desert, Wiley's Well, 20 mi SW of Blythe 183 Comment
  UCR89893  Nama hispida A. C. Sanders 1992-4-5 12162 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  RSA779931  Nassella cernua Marc Baker, Michelle Cloud-Hughes 2011-6-10 17360 Riverside Along Morris Ranch Road, 400 m north of Kenworthy Station, 4 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner VAlley, just east of Thomas Mountain 1418 Comment
  SBBG89095  Nassella pulchra B. Pitzer, K. Kirtland 1986-3-6 200 Riverside N side of Pauba Valley, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  SD160886  Navarretia atractyloides Virginia Moran 2003-5-28 Riverside Peninsular Ranges;Perris-Aguanga Basin region:Wilson Valley Mitigation Bank,mgd by Center for Natural Lands Mgmt:S 33 of two that comprise mitigation bank. (S27&33).Accessed frm Wilson Valley Rd. Sage 7.5 Quad. Growing in road at west gated entrance. Comment
  UCR167832  Navarretia atractyloides T. B. Salvato, Melissa Clemons 2005-6-2 1337 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA0015059  Navarretia fossalis D. E. Bramlet, Fred Roberts, I. Anderson 2005-6-10 3875 Riverside 4.5 miles west of Hemet. The site is located 1000 feet south of Stetson and 300 feet east of California. 456 Comment
  RSA593894  Navarretia fossalis R. E. Riefner 1995-11-29 95 -406 Riverside Davis Rd. San Jacinto Wildlife Sanctuary, 0.4 miles S of Old San Jacinto River. Comment
  UCR154543  Navarretia prostrata Jason L. Hlebakos 2005-5-18 705 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  CAS-BOT-BC109111  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  UCR18162  Nemacladus glanduliferus A. C. Sanders 1978-3-19 00255 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  HSC85393  Nemacladus longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  SEINET10458387  Nemacladus longiflorus Hall 1898-6-28 Hall 960 Riverside Strawberry Valley 1829 Comment
  UCR280949  Nemacladus longiflorus var. longiflorus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 68 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR68864  Nemacladus pinnatifidus Steve Boyd, T. S. Ross 1990-5-11 4705 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  SBBG101661  Nemacladus ramosissimus S. Boyd 1991-5-20 6260 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  UCR260544  Nemacladus ramosissimus T. B. Salvato, Matt Malle 2014-5-29 8023 B Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR67359  Nemacladus ramosissimus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3995 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA591746B  Nemacladus tenuis var. tenuis J. C. Roos 1966-3-26 s.n. Riverside 2 mi S.E. of Desert Center. Comment
  POM3491  Nemophila menziesii H. M. Hall 1899-05 s.n. Riverside San Jacinto Mtns. 1601 Comment
  UC63802  Nemophila menziesii H. M. Hall May 17, 1901-Jun 1, 1901 1806 Riverside Strawberry Valley Comment
  UCR165916  Nemophila menziesii T. B. Salvato, John F. Green 2004-5-27 557 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA38410  Nicolletia occidentalis P. A. Munz 1946-10-21 11602 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
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Sep 25 2011
  UC2015579  Nicotiana clevelandii A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16184 Riverside Coachella Valley: Willow Hole, 4 miles south of Desert Hot Springs. Comment
  UCR20781  Nicotiana quadrivalvis A. C. Sanders, Steve Boyd 1980-5-2 1387 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR31981  Nolina bigelovii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2217 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA643661  Nolina parryi James C. Dice 1985-6-13 618 Riverside Pinyon Flat, ca. 1.3 km north of Highway 74, at northwest edge of community of Pinyon Pines. 1250 Comment
  RSA747436  Nolina parryi T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 137 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  SD122666  Nolina parryi C. C. Parry 1876-1 Riverside Probably Riverside County. Desert east of San Bernardino, (See cotype at MO for more specific locality information). Photograph of specimen only. Comment
  UCR129868  Notholaena californica subsp. californica P. A. Munz 1921-12-31 4704 Riverside Sonoran (Colorado) Desert, Andreas Canyon 427 Comment
  CAS-BOT-BC171493  Oenothera californica Ethel H. Campbell 1921-5-1 1 a Riverside Between Riverside & Ontario Comment
  JOTR34271  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
  POM12929  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  RSA0004528  Oenothera decorticans var. condensata P. A. Munz 1926-1-31 9960 Riverside Dos Palmos Spring, Colorado Desert Comment
  SJSU10942  Oenothera deltoides T. N. Seeno 1963-4-12 274 Riverside by Hwy 60-70, 20 mi W of Blythe Comment
  UCR100864  Oenothera deltoides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2689 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UC1122209  Oenothera deltoides subsp. deltoides H. S. Yates 1937-3-23 6419 Riverside 5 mi n Edom; Thermal Quadrangle Comment
  UCR263649  Oenothera deltoides subsp. deltoides David Fraker, Aaron C. Sedgwick 2012-3-22 015 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  JEPS44071  Oenothera elata subsp. hirsutissima Marjorie D. Clary 1932-8-7 236 Riverside Snow Creek Colorado Desert, San Jacinto Mts. 426 Comment
  RSA771101  Oenothera elata subsp. hirsutissima Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4717 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 W116.65132 604 Comment
  POM301775  Oligomeris linifolia J. Cole 1942-5-19 962 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UCR72381  Oligomeris linifolia Theo Glenn 1991-5-15 91- 37 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UC212341  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Cottonwood Springs; Colorado Desert 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
  JEPS100417  Oncosiphon piluliferum Dean W. Taylor 2003-5-8 18551 Riverside Davis Road 0.5 miles north of Lakeview, San Jacinto Wildlife Area 434 Comment
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Feb 19 2009
  UCR240168  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12- 82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  RSA87939  Opuntia phaeacantha Verne Grant 1954-6-10 19655 Riverside Northwest of Santa Rosa Mountains. 1372 Comment
  NY9648  Orcuttia californica C. W. Thorne 1975-8-29 47312 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY9649  Orcuttia californica C. W. Thorne 1975-8-29 47318 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JEPS11678  Orobanche californica subsp. feudgei W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1458 Riverside Van Deventer's Ranch. Comment
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May 1 2016
  UCR35210  Orobanche californica subsp. feudgei L. B. Ziegler 1972-6-14 483 Riverside San Jacinto Mtns, Hemet (= Garner) Valley. 1402 Comment
  RSA0076203  Orobanche californica subsp. feudgei Philip A. Munz 1927-5-21 10897 Riverside Coahuila Valley, Ansa. [Cahuilla Valley, Anza] 1372 Comment
  JEPS85950  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4528 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UC1324937  Orobanche cooperi H. U. Stauffer and R. F. Thorne 1964-5-5 5924 Riverside 6.5 km s of Morongo Valley (4.8 km s of County border) 550 Comment
  SEINET188370  Orobanche ludoviciana var. latiloba C. L. Hitchcock 1940-4-4 5940 Riverside Pinto Basin. Comment
  RSA0076582  Orobanche multicaulis Barry A. Prigge, L. Martinez 1978-3-23 2414 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  SD22443  Oxytheca caryophylloides Susan G. Stokes Riverside San Jacinto Mt. Comment
  JEPS58023  Oxytheca trilobata W. L. Jepson 1901-5-25 1434 Riverside Coyote Canyon Comment
  SEINET1908452  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-1 35762 Riverside Peninsular Range; San Jacinto Mtns.: 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad. 1463 Comment
  UC990926  Oxytheca trilobata Susan G. Stokes 1933-7-2 Riverside near Idyllwild Comment
  UC537184  Paeonia californica M. E. Jones 1933-4-5 Riverside Hemet Comment
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Mar 24 2011
  CAS-BOT-BC327898  Palafoxia arida R. F. Hoover 1966-10-15 10156 Riverside Dead Indian Creek wash, S of Palm Desert Comment
  OBI15593  Palafoxia arida Lewis S. Rose 1959-1-8 59002 Riverside La Quinta 15 Comment
  RSA707591  Palafoxia arida Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 02 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  SEINET10799059  Palafoxia arida Billy Joe Cox 1975-4-23 Cox 4133 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe); Riverside-Imperial counties. 70 Comment
  JOTR28879  Palafoxia arida var. arida La Doux, Tasha 2004-2-24 1114 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA28088  Palafoxia arida var. arida I. L. Wiggins 1941-3-27 28088 Riverside 4 miles northeast of Desert Center on road to Rice. Comment
  RSA771035  Palafoxia arida var. arida Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4542 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA80968  Palafoxia arida var. arida G. R. Campbell 1952-4-6 18417 Riverside Box Canyon, road leading from Hwy 60-70 to Salton Sea. 457 Comment
  JOTR29502  Panicum hirticaule subsp. hirticaule Bell, Mike 2006-9-14 s.n. Riverside Joshua Tree National Park. southeast Pinto Mountains; near Mission Well/ Sunrise Mill, off Old Dale Road 435 Comment
  CLARK-A1045-882  Papaver californicum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  UCR281269  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 27 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  RSA709794  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  RSA0125268  Parietaria hespera var. hespera Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8758 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  UCR199618  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA0027383  Parkinsonia florida Kristin Forgrave, Sarah J. De Groot 2013-6-4 14 Riverside On Graham Pass Rd 10 mi from Chuckwalla Valley Rd 362 Comment
  RSA600665  Paspalum dilatatum L. C. Wheeler 1949-8-24 6752 a Riverside Riverside. Comment
  RSA192234  Paspalum distichum E. W. Lathrop 1964-9-13 5416 Riverside 8 miles west of Murrieta Comment
  RSA781998  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 119 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  CAS-BOT-BC355863  Pectis papposa var. papposa Frank W. Peirson 1938-11-12 12636 Riverside Imperial Valley Boulevard, about sea level Comment
  JEPS34818  Pectis papposa var. papposa W. L. Jepson 1914-5-24 6061 Riverside Palm Springs Colorado Desert, Palm Springs 121 Comment
  JOTR16608  Pectis papposa var. papposa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE BETWEEN RYAN MOUNTAIN AND CAP ROCK 1310 Comment
  RSA0087459  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR250571  Pectocarya anisocarpa A. C. Sanders 2014-4-18 41036 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. near Horsethief Canyon Road, east of Horsethief Canyon Wash and site of old DePalma's Italian Village Restaurant 381 Comment
  CLARK-A1656-709  Pectocarya heterocarpa Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  UCR234813  Pectocarya heterocarpa Jim Andre, Glenn L. Clifton 2011-2-22 17478 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  UCR116972  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-5-3 24097 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SDSU18953  Pectocarya linearis subsp. ferocula C. Matt Guilliams, Jeannine Ross 2008-3-12 535 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 436 Comment
  RSA264580  Pectocarya penicillata C. W. Tilforth 1977-3-6 1261 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 & Forestry Rd. 6S06. Comment
  UCR99865  Pectocarya penicillata Scott D. White 1993-3-3 1099 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  CAS-BOT-BC169710  Pectocarya peninsularis John Thomas Howell 1928-1-28 3282 Riverside Thousand Palms, Colorado Desert Comment
  UCR211817  Pectocarya peninsularis Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  JOTR34344  Pectocarya platycarpa Andre, Jim 2012-4-11 20691 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  POM368810  Pectocarya platycarpa Martha Hilend 1928-3-11 86 Riverside Morongo Valley, Colorado Desert. Comment
  RSA0112091  Pectocarya platycarpa Duncan S. Bell 2010-2-21 545 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  RSA695831A  Pectocarya platycarpa J. R. Bruff 1928-4-2 97 -A Riverside Canyon wash west of Morango Comment
  UCR92606  Pectocarya platycarpa George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  JOTR35041  Pectocarya recurvata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3494 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
  RSA703418  Pectocarya recurvata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1430 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA709881  Pectocarya recurvata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4625 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR213268  Pectocarya recurvata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37441 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
  UCR250198  Pectocarya recurvata A. C. Sanders 2014-4-23 41043 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  UCR42930  Pectocarya recurvata D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  UCSB8771  Pectocarya recurvata Bell, David 1969-3-31 Riverside River Bend Campground; along U.S. Highway 95; 15 miles north of Blythe; Mojave Desert 152 Comment
  SD247369  Pectocarya setosa A. C. Sanders, Steve Boyd, et al. 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mountains; Elsinore Peak, ca. 0.4 mile SE of the summit.\ 1014 Comment
  SD39276  Pectocarya setosa Edith A. Purer 1935-4-21 6451 Riverside Pine Valley, Pines to Palms Highway Comment
  UCR16845  Pedicularis densiflora Robert A. Clark 1966-3-19 031966- 05 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive 6 miles from entrance off Chase Ave., Corona 762 Comment
  RSA5899  Pedicularis semibarbata Carl B. Wolf 1932-8-5 3972 Riverside Slopes of San Jacinto Peak, 1/2 / 2/3 mi. below simmit of trail to Idyllwild. 3049 Comment
  UC103245  Pedicularis semibarbata A. W. Anthony 1895-7-7 Riverside San Jacinto Mountains 2743 Comment
  UCR158640  Pellaea mucronata S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  RSA686890  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
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May 13 2011
  SD227704  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 399 Comment
  UCR120823  Penstemon centranthifolius Ian G. Gillespie, Summer Karsh 2000-5-13 42 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  RSA97214  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  RSA39403  Penstemon heterophyllus var. australis M. Dillon 1947-4-28 14702 Riverside Hidden Canyon at foot of Skyline Drive, southwest of Corona. Comment
  RSA0014857  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View near Idyllwild. 1646 Comment
  RSA586122  Penstemon spectabilis var. spectabilis D. L. Banks 1995-4-11 165 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, along the Dripping Springs Trail. 646 Comment
  UC27505  Penstemon spectabilis var. spectabilis H. M. Hall 1898-6-27 954 Riverside El Toro Mt. at ______ Springs San Jacinto Mountains, El Toro Mt., Coyote Canyon (Coyote Canyon) 1737 Comment
  RSA773165  Pentachaeta aurea Duncan S. Bell, Valentin Arvizu 2010-5-24 1104 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  SBBG133365  Pentachaeta aurea S. D. White, J. M. Wood 2008-5-15 11987 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  SD140250  Pentagramma triangularis Scott White 1993-4-22 1237 Riverside North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SBBG59640  Perideridia parishii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  JOTR35388  Peritoma arborea var. angustata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 176 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  RSA0042441  Perityle emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-4 147 Riverside 1.3 miles down dirt BLM road from paved 58th Avenue; 4WD road south of Lake Cahuila and La Quinta. Just northeast of mouth of Devil Canyon, east side of Santa Rosa Mountains, west edge of Coachella Valley 37 Comment
  SEINET201068  Perityle emoryi H. E. Parks Riverside Mouth of Santa Rosa Canyon near Indio. Comment
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Mar 20 2014
  UCR104801  Perityle emoryi George K. Helmkamp 1998-2-5 2648 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  CAS-BOT-BC419045  Persicaria lapathifolia Scott D. White 1996-9-22 4539 Riverside Perris Basin, W. Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing. 435 Comment
  POM12018  Petalonyx linearis E. C. Jaeger 1920-4-7 1197 Riverside Rockhouse Canyon, Santa Rosa Mts. Comment
  RSA0065562  Petalonyx linearis Foster 1961-5-5 s.n. Riverside Highway 74, Palms to Pines, near Palm Desert. Comment
  CSUSB920  Petalonyx thurberi John N. Bullock 1970-5-8 Riverside 100 meters southeast of Ca. State Highway 195, 8.9 m. east of the All American Canal. 292 Comment
  JOTR30078  Petalonyx thurberi subsp. thurberi La Doux, Tasha, Bill Truesdell 2006-10-3 1718 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA741554  Petunia parviflora Justin M. Wood 2008-9-22 159 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR119812  Petunia parviflora A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23062 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  RSA709856  Peucephyllum schottii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4608 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA776236  Phacelia Duncan S. Bell 2010-3-20 606 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC667339  Phacelia affinis Annie M. Alexander and Louise Kellogg 1941-5-5 2123 Riverside Lost Horse Valley Joshua Tree National Monument 1280 Comment
  POM259462  Phacelia ambigua E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA27430  Phacelia ambigua C. L. Hitchcock 1940-3-30 5877 Riverside Cottonwood Spring. Comment
  RSA554212  Phacelia ambigua Theo Glenn 1991-4-9 91 -4 Riverside Big wash in Eagle Mountains 787 Comment
  UCR148850  Phacelia ambigua Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  POM18746  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA0106641  Phacelia campanularia Scott D. White 2000-5-3 7766 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  POM14360  Phacelia campanularia subsp. vasiformis P. A. Munz, D. D. Keck 1922-4-9 4766 Riverside Shavers Well, near Mecca. 76 Comment
  RSA79157  Phacelia campanularia subsp. vasiformis P. A. Munz, P. C. Everett 1952-5-2 16247 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC666536  Phacelia campanularia subsp. vasiformis Reid Moran 1941-5-5 856 Riverside Cottonwood Pass Eagle Mts. Comment
  SEINET1906693  Phacelia cicutaria var. hispida A. C. Sanders, Seung, Chul Kim, Plant Taxonomy Class 2005-1 30009 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. 457 Comment
  UCR241935  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-3-28 40696 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UCR84655  Phacelia cicutaria var. hispida Scott D. White, S. Ogg 1994-4-21 1966 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JOTR31856  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2113 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR72170  Phacelia crenulata var. ambigua Theo Glenn 1991-5-7 91- 96 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  JOTR35064  Phacelia crenulata var. crenulata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3516 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  SDSU6595  Phacelia crenulata var. minutiflora Joanie M. Wojtan, Bio 596 class. 1992-4-5 5 IV92B Riverside Collected next to Box Canyon Road, ca. 6.7 northeast of Hwy. 111. 480 Comment
  SEINET4391066 Image available Phacelia crenulata var. minutiflora Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4583 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock 402 Comment
  HSC13742  Phacelia distans D. W. Snell 1964-3-26 18 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  JEPS2004  Phacelia distans W. L. Jepson 1901-5-17 1241 Riverside San Jacinto River San Jacinto Valley Comment
  JEPS2400  Phacelia distans E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA770309  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4496 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UC881075  Phacelia distans C. L. Hitchcock 1940-3-29 5858 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  UCR91406  Phacelia distans Scott D. White 1995-4-5 2721 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JEPS2059  Phacelia fremontii Marjorie D. Clary 1932-4-29 861 Riverside Dead Indian Trail 15 mi w Indio; Colorado Desert, Conchilla Desert 304 Comment
  JEPS89045  Phacelia minor Rimo Bacigalupi and L. Heckard 1962-3-25 8407 Riverside Temescal Guard Station to Warm Springs Valley (lower slopes of mt. as viewed e-ward from Hwy 71); Estelle Mountain 335 Comment
  POM47787  Phacelia minor Mary F. Spencer 1918-3-27 795 Riverside Palm Canyon, Palm Springs. 244 Comment
  RSA612495  Phacelia minor D. L. Banks 1997-2-23 1322 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
  SDSU6654  Phacelia minor D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  UC1523628  Phacelia minor Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60626 Riverside along Clinton Keith Rd near base of plateau; Santa Rosa Plateau 430 Comment
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Aug 4 2007
  UCD120566  Phacelia minor Robert C. Bechtel 1952-3-28 24 Riverside Perris. 443 Comment
  UCSB10390  Phacelia minor Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  POM14110  Phacelia neglecta P. A. Munz, D. D. Keck 1922-4-9 4873 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA709970  Phacelia neglecta Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4587 -b Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR98690  Phacelia ramosissima S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA0108824  Phacelia rotundifolia Duncan S. Bell, Amanda Turek 2009-3-30 179 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SD107746  Phalaris aquatica C. W. Tilforth, B. Busenberg 1890-7-17 2022 Riverside open flat at large telephone signal reflector panel, south end of Thomas Mtn. Rd., south of Lake Hemet & west of Hiway 74 Comment
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Feb 4 2013
  IRVC9215  Phalaris canariensis B. T. Gittins 1966-5-15 1323 Riverside 3 mi. SE Murietta near border of Rancho California, canyon near ranch gate. Gavilan Hills Comment
  UCR26337  Phalaris lemmonii John C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) 457 Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  SEINET245299  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley; West of edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UC52482  Phlox austromontana H. M. Hall 1897-5-19 553 Riverside Thomas Valley San Jacinto Mts. 1371 Comment
  UCR35058  Phlox gracilis L. B. Ziegler 1968-4-12 274 Riverside San Jacinto Mtns., Hemet Valley at Quinn Flats 1372 Comment
  UC702032  Pholistoma auritum Frank W. Gould 1943-4-17 2113 Riverside 12 mi. s. Corona (on Elsinore road) Comment
  UCR88302  Pholistoma membranaceum A. C. Sanders, K. C. Rose 1995-4-5 16391 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  HSC79285  Phoradendron californicum G. K. Helmkamp 1984-5-2 - 11 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  RSA420765  Phoradendron californicum M. B. Dunkle 1933-3-4 3042 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA420774  Phoradendron californicum Robert Gustafson 1981-4-7 2152 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  SD136735  Phoradendron leucarpum subsp. tomentosum Steve Boyd 1992-5-5 7212 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  JOTR31882  Physalis crassifolia La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2134 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  RSA101223  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA79899  Physalis crassifolia J. Ewan 1931-4-2 4089 Riverside Moist sand under Smoke Trees; 2 mi. north of Oasis. Comment
  UCR88301  Physalis crassifolia A. C. Sanders, K. C. Rose 1995-4-5 16364 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR113987  Physalis philadelphica Mitch Provance, A. C. Sanders 2000-7-4 2111 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR269855  Physaria tenella A. C. Sanders, Jim Malusa 2016-3-17 42359 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road 2.85 miles south of Bradshaw Trail 701 Comment
  SEINET6330733 Image available Pilularia americana Robert F. Thorne, E. Lathrop, et al. 1969-5-19 37966 Riverside Santa Rosa Plateau: N end of large vernal marsh, Mesa de Colorado, Rancho California 625 Comment
  UCD136790  Pilularia americana Robert F. Thorne; E. Lathrop, et al. 1969-5-19 37966 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 624 Comment
  RSA5238  Pinus flexilis C. B. Wolf 1932-8-5 3982 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA5898  Pinus flexilis C. B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along the trail above Round Valley. 2927 Comment
  UC1612270  Pinus flexilis O. P. Medsger 1901-7-30 Riverside San Jacinto Mt. 3200 Comment
  UC1600403  Pinus lambertiana H. M. Hall 1901-1-1 2613 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
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Feb 3 2014
  JEPS47935  Pinus monophylla W. L. Jepson 1916-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Pinyon Well Canyon; Colorado Desert, Cottonwood Mts., Pinyon Well Canyon Comment
  RSA384369  Pinus monophylla N. C. Cooper 1943-9-11 893 Riverside San Jacinto Mtns. Eastern slope at roadside 1220 Comment
  UC1543055  Pinus monophylla Donald G. Nelson 1936-5-22 339 Riverside near base Santa Rosa Mountains (on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp); Ribbon Wood Camp, Pines to Palms Highway Comment
  UCR120898  Plagiobothrys collinus A. C. Sanders, D. Malueg 2002-4-8 24910 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
  UCR12247B  Plagiobothrys collinus O. F. Clarke 1973-1-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  UCR172255  Plagiobothrys collinus 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
  SEINET7073313  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  SEINET998820  Plagiobothrys collinus var. californicus Mitch Provance 2003-1 6608 Riverside San Bernardino Valley: SW extreme of the Jurupa Mountains, Glen Avon, slopes N of the northern extreme of Campbell St. 274 Comment
  SD181656  Plagiobothrys collinus var. fulvescens Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mts. Near Bedford Canyon. 351 Comment
  UCR93038  Plagiobothrys collinus var. fulvescens Steve Boyd 1986-4-2 1594 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA709076  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro. 10 Comment
  SEINET272335  Plagiobothrys nothofulvus A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19911 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  RSA614092  Plagiobothrys tenellus D. L. Banks 1997-4-5 1695 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  SBBG103908  Plagiobothrys tenellus S. D. White 1993-4-20 1209 Riverside Estelle Peak, Gavilan Hills 822 Comment
  UCR59753  Plagiobothrys tenellus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3009 Riverside Peninsular Range, Vail Lake area, hills west of Kolb Creek arm of lake 488 Comment
  RSA556512  Plantago bigelovii subsp. californica Julie Greene 1993-4-10 1155 a Riverside San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  UCR280604  Plantago elongata R. E. Riefner Jr. 2017-4-2 17- 144 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  RSA262104  Plantago erecta E. W. Lathrop 1971-3-21 7459 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  RSA615041  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside, box Springs Mtns, S end of the range along Gernert road (dirt), in valley draining to Box Spring Canyon 457 Comment
  UCR214890  Plantago erecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37686 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
  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
  UC665820  Plantago ovata Ira L. Wiggins 1941-3-24 9588 Riverside 1 mi n Imperial County line (on e side of Salton Sea); Salton Sea Comment
  UCR100875  Plantago ovata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2698 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR275539  Plantago ovata D. E. Bramlet 2010-3-1 4458 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  POM68827  Plantago ovata var. fastigiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  RSA770451  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4563 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  CAS-BOT-BC93212  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside Snow Creek Canyon, 0.5 mile below the fish hatchery, north base of San Jacinto Mountain. 548 Comment
  RSA777162  Platanus racemosa Steve Boyd, Robert L. Allen 2005-9-25 11658 Riverside Chino Canyon, southern base of the range, western margin of Chino Creek along upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway. 793 Comment
  CAS-BOT-BC91884  Platystemon californicus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22163 Riverside 5 miles southeast of Elsinore. Comment
  CSUSB1045  Platystemon californicus P. A. Rauch 1966-4-4 Riverside Box Springs Mountains East slope of Sugarloaf Mountain (Box Springs Mountains). 457 Comment
  RSA615388  Platystemon californicus A. C. Sanders, G. K. Helmkamp 1997-3-15 s.n. Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn, NE slopes of a small hill. 473 Comment
  RSA66240  Platystemon californicus F. W. Peirson 1922-4-28 5325 Riverside Temescal Canyon, SW Riverside Co. 274 Comment
  SEINET7073303  Platystemon californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCSB46705  Platystemon californicus Reed, Susan 1977-03 Riverside left side of Cajalco Rd; 1.5 miles west of Lake Matthews 365 Comment
  SEINET7073301  Platystemon californicus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  SEINET3817958 Image available Plectritis macrocera Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  SD260006  Pleurocoronis pluriseta J. M. Andre 2012-4-11 20791 Riverside Joshua Tree National Park: NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi south of Hwy 62 at 29 Palms. Conejo Well 7.5'Q 729 Comment
  CLARK-A1528-282  Pluchea purpurascens Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  POM8378  Pluchea sericea Mary F. Spencer 1918-3-28 782 Riverside In Palm canyon. 183 Comment
  RSA615394  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn, across the northern arm of the lake from the boat ramp. 457 Comment
  SD5511  Pluchea sericea Fidella G. Woodcock 1928-4-27 Riverside Palm Springs Comment
  UC88356  Pluchea sericea unknown 60 Riverside Salt Creek Comment
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Mar 12 2011
  RSA597934  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Murray Canyon 213 Comment
  UC820904  Poa fendleriana subsp. longiligula P. A. Munz and I. M. Johnston 1922-5-21 5505 Riverside Kenworthy; San Jacinto Mts 1402 Comment
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Mar 25 2011
  UCR2697  Poa nervosa F. M. Reed 1908-7-11 2496 Riverside San Jacinto Mtns, Mt. San Jacinto 2927 Comment
  SEINET193422 Image available Poa nevadensis Frank W. Gould 1944-4-5 2235 Riverside 17 miles east of Temecula on highway 79 Comment
  UCR19665  Poa secunda John C. Roos 1950-2-25 4710 Riverside Pass between Reche Canyon and Pigeon Pass Road 457 Comment
  UCR97264  Poa secunda Scott D. White 1993-3-12 1170 Riverside Near Winchester 466 Comment
  JOTR33942  Poa secunda subsp. secunda La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2831 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  LA12631  Poa secunda subsp. secunda L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  UC1132782  Poa secunda subsp. secunda A. Lewis Mar 1934 322 Riverside Bedford Motorway Bedford Canyon; Cleveland Nat'l Forest, Corona Quadrangle Comment
  UCR217659  Polygala cornuta var. fishiae Diane Menuz, Joe Veverka 2007-8-2 334 Riverside Santa Ana Mountains, Temecula Canyon, Santa Margarita Ecological Reserve, 2km north of San Diego County line and 3.75 km west of Hwy I-15, 300 m upstream of sharp bend in the Santa Margarita River, near the intersection of a tributary to the southeast. 222 Comment
  UCR162954  Polygonum argyrocoleon Fred M. Roberts, D. E. Bramlet 2005-4-1 6142 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR88166  Polygonum argyrocoleon A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16075 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR91950  Polygonum argyrocoleon George K. Helmkamp 1996-3-11 1002 Riverside Sonoran (Colorado) Desert, Colorado River Valley, 35th Avenue and California Hwy 78, 1.7 mi north of PaloVerde 72 Comment
  UCR167932  Polygonum aviculare T. B. Salvato, Gregg Miller 2005-6-3 1362 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
  POM2363  Polygonum bistortoides I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA339614  Polygonum lapathifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55371 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR167199  Polypogon monspeliensis S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR2723  Polypogon monspeliensis F. M. Reed 1906-5-19 960 Riverside Riverside, Rubidoux Ave. near Brockton Ave. 250 Comment
  RSA0051251  Polypogon monspeliensis John C. Roos 1952-4-23 5576 Riverside West side of Box Springs Mts. above Canyon Crest Heights. 457 Comment
  SEINET10767438  Populus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12842 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  CAS-BOT-BC102590  Populus fremontii P. A. Munz; L. Street; G. Williams 1919-5-3 2660 Riverside Near Chino, near Santa Ana River Comment
  UCR251962  Populus fremontii Max Brodie 2014-4-6 02 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  RSA775119  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5029 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
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May 22 2012
  JEPS34993  Porophyllum gracile W. L. Jepson May 17 1901-Jun 1 1901 1398 Riverside Palm Canyon and return to Van Deventer's Ranch Comment
  SDSU13924  Porophyllum gracile Michael G. Simpson 2000-5-13 2118 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UCR156464  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 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
  RSA450979  Portulaca oleracea Stephen M. Beckstrom-Sternberg 1985-9-10 1027 Riverside U.C.R. garden plots. Comment
  UCR277755  Potamogeton Mitch Provance 2011-7-29 17037 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UC860692  Potentilla gracilis var. fastigiata P. A. Munz 1922-7-6 5986 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  SJSU5255  Prenanthella exigua R. C. McGehee 1970-4-15 205 Riverside Wileys Well, 26 mi SW of Blythe Comment
  SEINET3365546  Proboscidea althaeifolia G. Rink 2011-10-6 11077 Riverside East of the McCoy Mountains, northwest of Blythe 150 Comment
  CAS-BOT-BC206978  Prosopis glandulosa var. torreyana Street; Durant 1918-5-12 s.n. Riverside San Jacinto Hot Springs Comment
  RSA0105950  Prosopis glandulosa var. torreyana Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA348735  Prosopis glandulosa var. torreyana Christopher Davidson 1979-4-4 7710 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA5534  Prosopis pubescens Carl B. Wolf 1932-10-14 4348 Riverside 2 miles south of Coachella -30 Comment
  RSA652820  Prunus fasciculata Colleen Callan 1992-5-2 23 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UC667311  Prunus fasciculata Annie M. Alexander and Louise Kellogg 1941-5-26 2244 Riverside Monsen Canyon, Eagle Mountains, Colorado Desert Monsen Canyon; Eagle Mountains, Colorado Desert, Monsen Canyon 914 Comment
  RSA336035  Prunus fremontii Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52068 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
  LA208168  Prunus virginiana var. demissa C. Epling; William Robison 1935-6-30 Riverside N fork San Jacinto River Comment
  UC860997  Prunus virginiana var. demissa C. Epling, Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  CAS-BOT-BC356342  Psathyrotes ramosissima Lewis S. Rose 1935-12-23 35686 Riverside Colorado Desert. 7 mi. S. of Cathedral City 152 Comment
  RSA263880  Psathyrotes ramosissima C. W. Tilforth 1976-7-20 1212 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert. Comment
  UC485714  Pseudognaphalium biolettii Robinson and Crocker 1916-3-29 569 Riverside canyon near Murrieta; Santa Ana Mts. Comment
  CAS-BOT-BC356794  Pseudognaphalium californicum Scott D. White 1995-6-29 3380 Riverside Murrieta area, W Riverside Co. Murrieta Creek, NW of Murrieta, upstream from Cole Ck. confluence, at Calle de Oso Oro Rd. crossing 350 Comment
  JOTR35159  Pseudognaphalium canescens Harding, Mitzi, T. Herskovits 2011-9-14 158 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  POM14280  Psilocarphus brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SD37586  Psilocarphus brevissimus Edith A. Purer 1936-4-6 6880 Riverside South of Elsinore Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  CAS-BOT-BC353627  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside West of Indio 0 Comment
  JEPS41699  Psorothamnus emoryi Marjorie D. Clary 1932-4-29 Riverside West side, Colorado Desert Comment
  RSA91374  Psorothamnus emoryi F. W. Peirson 1921-4-12 571 Riverside Near Indian Wells. Comment
  CAS-BOT-BC340919  Psorothamnus schottii Marcus E. Jones 1927-4-16 s.n. Riverside Colo. Desert. Hidden Spring, near Shaver's Well Comment
  RSA404246  Psorothamnus schottii Anstruther Davidson 1895-4-10 s.n. Riverside Palm Springs. Comment
  RSA630290  Psorothamnus schottii R. S. Woglum 1937-04 302 Riverside Mojave Desert: Palm Springs. Comment
  UC50193  Psorothamnus schottii L. D. Copeland Apr. 1904 4 Riverside West Canyon , West Canyon (Palm Springs) Comment
  UCR158145  Psorothamnus schottii Lyman Benson 1949-3-28 13578 Riverside Sonoran (Colorado) Desert, Coachella Valley below Santa Rosa Mtns., east end of Pines to Palms Highway [Palm Desert] just above junction of Palm Springs-Indio Road 76 Comment
  CAS-BOT-BC72616  Pteridium aquilinum Louis C. Wheeler 1931-10-4 201 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR16719  Pteridium aquilinum Dave Baasch 1972-5-11 720511- 01 Riverside San Jacinto Mtns, just above Lake Fulmor near Idyllwild 1646 Comment
  UCR37496  Pteridium aquilinum var. pubescens Steve Boyd 1981-2-13 s.n. Riverside Peninsular Range, Gavilan Hills, N base of Estelle Mountain. Comment
  CAS-BOT-BC421257  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 421 Comment
  POM10467  Pterostegia drymarioides F. M. Reed 1904-6-5 s.n. Riverside Bank near Fairmont Park Comment
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Jul 4 2010
  RSA343093  Pterostegia drymarioides Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60621 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  UCR112974  Pterostegia drymarioides B. G. Pitzer, T. Tennant 1998-2-21 3542 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  UCR121301  Pterostegia drymarioides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25010 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  RSA249100  Pulicaria hispanica O. F. Clarke 1972-9-17 s.n. Riverside Santa Ana river bottom. Adjacent river view drive Rubidoux 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
  JOTR32641  Purshia tridentata var. glandulosa La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2562 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA0080589  Pyrola dentata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1441 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UC876185  Pyrola picta Mary F. Spencer 1923-7-30 2264 Riverside San Jacinto Mountain, Idyllwild, Banning Road Idyllwild; San Jacinto Mountain, Idyllwild 1828 Comment
  JEPS37680  Quercus X morehus W. L. Jepson May 17 1901-Jun 1 1901 1444 Riverside Santa Rosa Indian Village Comment
  CAS-BOT-BC61816  Quercus agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal valley: Wright Ranch Comment
  LA43654  Quercus agrifolia George A. Schaefers; 1953-5-23 sn Riverside San Jacinto Mountains, 4 mi. N of Pinon Flats, Hwy 74 1371 Comment
  UCR158949  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31544 Riverside San Jacinto Mtns., lower Bautista Canyon, 1.1 mi. above Forest Service boundary, 3.2 miles above retention dam at mouth 744 Comment
  RSA0039065  Quercus berberidifolia Jeremiah George 2012-8-8 080812 -1 Riverside San Timoteo Canyon, south of El Casco So. Calif. Edison substation, west side of San Timoteo Creek, west of dirt SCE line access road 655 Comment
  RSA717583  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  UCR265837  Quercus berberidifolia Mitch Provance 2012-5-24 512- 20 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
  RSA503826  Quercus cornelius-mulleri E. Crow 1928-11-12 45 Riverside Morongo Valley, Colorado Desert. Comment
  RSA592673  Quercus cornelius-mulleri Scott D. White, Duayne Haselfeld 1996-7-2 4265 Riverside Pinyon Flat Area: N of Highway 74, ca. 10 road miles E of junction with Highway 371. W-facing slope of Sugarloaf Mountain and adjacent valley. 1250 Comment
  UCD14093  Quercus cornelius-mulleri Stephen K. Langer 1995-4-6 s.n. Riverside California, San Diego Co.; Smuggler's Canyon, Anza-Borrego Desert State Park; Comment
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Feb 22 2013
  UCR135711  Quercus cornelius-mulleri Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9022 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA628257  Quercus engelmannii B. Schwenn 1988-9-27 s.n. Riverside Santa Rosa Mnts: San Bernardino National Forest, Cactus Spring trail where trail crosses Horsethief Creek. 1341 Comment
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Oct 5 2017
  HSC82874  Quercus palmeri A. C. Sanders, Steve Boyd 1980-4-17 1345 Riverside Along Palms to Pines Hwy. 74, 0.2 mi W of its junction with rd. to Anza (Hwy. 371) 1463 Comment
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Sep 10 2011
  SEINET13953263 Image available Quercus palmeri J. C. Roos 1965-1 Riverside Summit of Pines to Palms Road (Hwy 74) south of Palm Desert, Santa Rosa and San Jacinto Mountains. Comment
  UCR18990  Quercus wislizeni John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Near summit of Palms to Pines Hwy 1524 Comment
  SBBG122738  Quercus wislizeni var. frutescens R. E. Riefner 2006-10-11 06 -530 Riverside E of Rainbow Cyn, N of Rainbow Heights, Termite's Hike Trail 595 Comment
  UCSB1291  Quercus wislizeni var. frutescens Haller, John 1950-5-20 Riverside Montane Forest Comment
  RSA606382  Rafinesquia californica Jon E. Keeley 1994-4-22 25322 Riverside Shipley Reserve 670 Comment
  RSA614300  Rafinesquia californica D. L. Banks, Victor W. Steinmann 1997-3-13 1508 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
  POM182081  Rafinesquia neomexicana P. A. Munz 1932-3-14 11977 Riverside Deep Canyon, Coachella Valley 91 Comment
  POM41556  Rafinesquia neomexicana Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  RSA605191  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16135 Riverside Coachella Valley, mouth of San gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 329 Comment
  SEINET1909588  Ranunculaceae A. C. Sanders 2004-1 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
  UCR1023  Ranunculus cymbalaria J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., stream running into Hemet Lake 1326 Comment
  SD233920  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mountains, E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. & Watkins Drive (Riverside E 7.5' Q). 334 Comment
  UC1922903  Ranunculus testiculatus Scott D. White 2005-3-24 10809 Riverside East Mojave Desert: Mountain Pass. Sandy bajadas, canyons, and washes N of the I-15 Freeway and S of the Molycorp quarry. (Mescal Range) Comment
  OBI53618  Raphanus sativus Steve Myers 1988-2-1 s.n. Riverside Boulder Springs dev, immed SE of intersection ofhwy 60 and Nason St, Moreno Valley 518 Comment
  UCR4160  Raphanus sativus R. H. Sauer 1965-3-1 s.n. Riverside City of Riverside, west end of Big Springs Road 335 Comment
  RSA0049510  Raphanus sativus Margaret Murphy 1983-5-1 0017 -B Riverside Dry riverwash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR277523  Rhamnus ilicifolia Mitch Provance, Jeffrey S. Ross-Ibarra 2007-1-20 17200 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  RSA276725  Rhododendron occidentale John F. Emmel 1978-6-26 611 Riverside San Jacinto Mts; Devils Slide Trail above Humber Park, at crossing of small stream from Powderbox Spring. 2220 Comment
  UCR120923  Rhus aromatica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CAS-BOT-BC167973  Rhus ovata Carl B. Wolf 1932-5-24 3643 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  CDA35354  Rhus ovata T. C. Fuller 1963-4-23 10294 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  RSA358576  Rhus ovata Larry E. DeBuhr 1972-2-25 508 Riverside Santa Rosa Mountains along forest road 7S02 to santa Rosa Pk. 1738 Comment
  SD71843  Rhus ovata Helen V. Witham 1969-7-2 213 Riverside Sandia Creek, on road from DeLuz to Murietta. 299 Comment
  UCR199693  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR87634  Rhus ovata A. C. Sanders 1994-5-29 14549 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCSB3758  Rhus ovata Kamb, Peter 1947-3-3 Riverside Upper Sonora Zone; Banning-Idyllwild road below Barton lookout, San Jacinto Mts. 914 Comment
  SD73468  Rhus trilobata var. pilosissima E. W. Lathrop 1969-6-6 7110 Riverside 8 miles west of Murrieta, on the Tenaja Truck Trail between Santa Rosa Road and Los Alamos Canyon Comment
  RSA651630  Ribes aureum var. gracillimum Bennie Finnell 1948-5-17 s.n. Riverside Found near Hunt Ranch 8 mi. South of Corona. 221 Comment
  CAS-BOT-BC173131  Ribes indecorum A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  POM294431  Ribes indecorum Lyman Benson, Robert Benson 1952-3-23 14840 Riverside Northeast of Santa Rosa peak, Pines to palms Hwy, view point for Jacinto Mt. Colorado desert. 1159 Comment
  UCR47227  Ribes indecorum B. G. Pitzer, Jack Easton 1987-3-10 405 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  LA26119  Ribes montigenum Harlan Lewis; 1941-7-22 sn Riverside San Jacinto Mountains, San Jacinto Peak 3291 Comment
  CAS-BOT-BC212234  Ribes quercetorum Elmer I. Applegate 1927-2-1 4972 Riverside Near Oak Grove, road to Warner Ranch. Comment
  VVC473  Ribes speciosum P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  SD187383  Rorippa nasturtium-aquaticum Scott D. White, Angelia Carey 2004-5-7 10316 Riverside Indian Creek and adjacent foothills. 548 Comment
  RSA192335  Rosa californica H. A. Zuill 1966-6-5 200 b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UC519954  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley San Jacinto Mts. 1584 Comment
  UCSB37900  Rosa californica Sanders, A. 1980-7-18 Riverside Thomas Mountain; along a small dry creek in Spillway Canyon about 2 miles SW of Hwy. 74 along Thomas Mtn. Rd; T 6S, R 3E, S 1/2 sec. 17. 1463 Comment
  POM14993  Rumex acetosella Mary F. Spencer 1922-6-16 s.n. Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UC452559  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside railway water works, Mecca Salton Sink -57 Comment
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Feb 3 2011
  RSA180404  Rumex crispus E. W. Lathrop 1965-5-30 5777 Riverside 6 miles W of Murrieta. Comment
  UCR85578  Rumex dentatus Julie A. Greene 1993-6-11 1331 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north of new pond 441 Comment
  UCR176197  Rumex hymenosepalus Amber Bruno 2005-4-3 05 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR155043  Rumex obtusifolius A. C. Sanders, Kelly Volansky 2005-3-17 29226 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
  CAS-BOT-BC433761  Rumex pulcher Mitch Provance; A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  RSA627516  Rumex salicifolius var. salicifolius Scott D. White 1998-7-31 6930 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UC126710  Sagina decumbens subsp. occidentalis F. M. Reed 1908-7-12 2442 Riverside margin of Lake Surprise San Jacinto Mts., Lake Surprise Comment
  POM306692  Salazaria mexicana Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1690 Riverside Near Desert Center. Comment
  RSA0059625  Salicornia subterminalis Steve Boyd, Dave Bramlet 1996-4-19 8609 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR85565  Salicornia subterminalis Julie A. Greene 1993-4-10 1148 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  CAS-BOT-BC103895  Salix exigua H. M. Hall 1901-6-1 2105 Riverside Eastern base, along the borders of the Colorado Desert Comment
  SBBG58867  Salix exigua M. N. Ackley 1928-3-10 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UCR171899  Salix exigua 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
  UCR41239  Salix exigua N. M. Fellows 1985-3-3 79 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA0105852  Salix exigua Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed between Riverside Ave & Market St. Bridge. Comment
  CAS-BOT-BC108120  Salix gooddingii Marjorie Clary 1934-3-3 s.n. Riverside Carrizo Canyon [Canon], 18 mi. w. of Indio 304 Comment
  POM186278  Salix gooddingii C. Epling, Joseph A. Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore. Comment
  SD233938  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  SJSU179  Salix gooddingii C. B. Wolf 1932-4-28 3085 Riverside back of Colorado R c. 800 m from Stste Inspection Station on way to Blythe Bridge 91 Comment
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Mar 26 2011
  UCR104901  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR127541  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR138720  Salix gooddingii Julie A. Greene 1993-4-17 1219 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  POM50387  Salix laevigata W. W. Eggleston 1924-3-10 19539 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  UCR92663  Salix laevigata Scott D. White, Shelton Dowthit, et al. 1996-3-31 3849 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  POM319101  Salix lasiolepis Patricia Wilder 1971-3-20 4910 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA0095102  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3877 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR162395  Saltugilia australis S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  RSA27034  Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA411321  Salvia apiana N. C. Cooper 1944-5-19 1299 Riverside Banning. 701 Comment
  RSA411322  Salvia apiana N. C. Cooper 1944-5-6 2635 Riverside Whitewater Canyon. 457 Comment
  UCR133363  Salvia apiana Tracy Tennant, J. S. Ross 1998-4-30 MOR- 75 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UC574920  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
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Sep 17 2016
  POM13462  Salvia columbariae P. A. Munz 1922-5-19 5367 Riverside 5 miles NE of Murietta. 457 Comment
  SD249232  Salvia columbariae J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 390 Comment
  SDSU7472  Salvia columbariae Stan Matler 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  SEINET3242547  Salvia columbariae Norman C. Cooper 1944-1 1149 Riverside Banning, Riverside Co. 701 Comment
  UC1124712  Salvia columbariae A. Lewis Mar 1934 326 Riverside Bedford Canyon; Corona Quad. 335 Comment
  UCR113160  Salvia columbariae A. C. Sanders 1998-3-11 21660 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR224449  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR261149  Salvia columbariae A. C. Sanders, Katie Young, John Hale 2015-4-22 41593 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  UCR50919  Salvia columbariae A. C. Sanders 1988-5-11 7799 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  CHSC26489  Salvia mellifera James Henrickson 1970-4-10 4529 Riverside 8 air miles ESE of Temecula along Hwy. 71-19. 542 Comment
  SEINET11196321  Salvia mellifera Unknown 2006-5-13 32275 Riverside Temecula Comment
  HSC47584  Salvia vaseyi Richard Spjut, C. E. Edson 1978-5-5 5013 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. 610 Comment
  RSA125250  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22669 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  POM12853  Sambucus caerulea P. A. Munz 1922-6-24 5791 Riverside Pipe Creek, Hemet Valley 1402 Comment
  UCR154445  Sambucus mexicana A. C. Sanders, Mike Misenhelter 2005-6-15 30974 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA601893  Samolus parviflorus Louis C. Wheeler 1932-9-4 1359 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA585642  Sanicula arguta D. L. Banks 1995-3-15 78 Riverside NW Palomar Mts. Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. Dorland Mnt. area. 793 Comment
  UC1537168  Sanicula bipinnatifida Gordon H. True Jr. 1935-3-14 110 Riverside e of Gavilan Peak (Gavilan Hills); Gavilan Hills 609 Comment
  JOTR32907  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2009-3-10 11250 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA704586  Schismus arabicus LeRoy Gross 2005-3-3 1585 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR166851  Schismus arabicus Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR249661  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 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
  CLARK-A1656-759  Schismus barbatus Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  RSA466562  Schismus barbatus Christopher Davidson 1973-4-1 1803 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA770452  Schismus barbatus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4564 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR26326  Schismus barbatus John C. Roos 1940-3-3 912 Riverside Sonoran (Colorado) Desert, around Palm Springs 183 Comment
  RSA596534  Schismus barbatus D. L. Banks 1996-7-16 1125 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road);, along a disturbed hillside and adjacent roadside 426 Comment
  RSA651603  Schismus barbatus Marion P. Harthill 1973-2-17 1580 Riverside Scissors Crossing, [to?] Palm Springs 731 Comment
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May 2 2016
  RSA651615  Schismus barbatus Marion P. Harthill 1971-3-19 27 Riverside Palm Desert. Comment
  UCR50002  Scirpus cernuus Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  POM1415  Scirpus microcarpus I. M. Johnston 1918-5-30 2015 Riverside Lee Lake, Temescal Canyon. 335 Comment
  SBBG101770  Scrophularia californica S. Boyd with T. Ross 1991-6-14 6401 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR116419  Scrophularia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24189 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR172808  Scrophularia californica Abby Sirulnik 2000-5-7 31 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  RSA249459  Scrophularia californica subsp. floribunda John F. Emmel 1973-3-3 413 Riverside South Fork of San Jacino River, west of Hemet. 793 Comment
  RSA314663  Scrophularia californica subsp. floribunda Robert F. Thorne, F. R. Fosberg 1983-4-23 55485 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  SEINET8020853  Scutellaria bolanderi G. F. Reinhardt 1897-1 s.n. Riverside San Jacinto Valley Comment
  LA55076  Scutellaria mexicana A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  SD135263  Scutellaria siphocampyloides Craig Reiser, Dylan Hannon 1993-5-31 Riverside N side of Santa Rosa Peak Comment
  CAS-BOT-BC69803  Selaginella bigelovii L. R. Abrams 1926-3-26 11082 Riverside Palm Springs. Comment
  RSA773193  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4892 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm). 915 Comment
  UC1481743  Selaginella bigelovii C. C. Hall 1922-12-10 Riverside Relief Hot Springs Comment
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Mar 13 2011
  SEINET10971467  Selaginella bigelovii George Engelmann 1880-11-11 Engelmann s.n. 1880 Riverside Whitewater near San Gorgonia Pass, rocky hillsides. Comment
  CAS-BOT-BC62253  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak 3285 Comment
  POM49865  Selaginella watsonii Philip A. Munz, I. M. Johnston 1924-7-27 8761 Riverside Dark Canyon, San Jacinto Mountains. 2409 Comment
  RSA543735  Senecio californicus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6070 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
  LA203929  Senecio flaccidus var. douglasii Norman C. Cooper; 1944-5-20 2624 Riverside San Jacinto Mountains, Palms to Pines Highway 457 Comment
  RSA472962  Senecio flaccidus var. douglasii Erwin Miller, Jack Reupelt 1934-4-28 s.n. Riverside Pass between Lost Horse and Pleasant Valley. 1220 Comment
  UC496515  Senecio flaccidus var. monoensis Philip A. Munz 1932-10-16 12840 Riverside Palm Creek Santa Rosa Mts. 1463 Comment
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  POM160081  Senecio mohavensis E. C. Jaeger 1927-3-23 s.n. Riverside Hidden Springs. Comment
  UCR97666  Senecio vulgaris A. C. Sanders, G. Helmkamp 1997-3-15 19949 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  SD229165  Senegalia greggii Dick Schwenkmeyer 2012-11-6 863 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR162620  Senna artemisioides Nathan Moorhatch 2003-3-19 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Cathedral City, Whitewater River channel at Date Palm Drive 91 Comment
  SEINET238485 Image available Sesuvium verrucosum A. C. Sanders, D. Bramlet; Mihai Costea T. Salvato 1999-1 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1 mile W of Jackrabbit Trail on Gilman Springs Rd. 0.4 mi. W of Quail L 436 Comment