Search Results — 2000 specimen records retrieved (1894 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229021  Abies concolor Dick Schwenkmeyer 2012-9-20 835 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  CAS-BOT-BC229312  Abronia villosa Mrs. J. C. Angsbury 1926-1-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC229330  Abronia villosa L. R. Abrams 1913-7-16 5010 Riverside Between Elsinore & Corona Comment
  UC851647  Abronia villosa Lewis S. Rose 1940-3-13 40114 Riverside Whitewater desert 60 Comment
  RSA0012147  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  SD60431  Abronia villosa var. aurita Reid Moran 1964-7-27 11868 Riverside Canyon of Santa Margarita River 2.5 miles southsouthwest of Temecula. 199 Comment
  SEINET946025  Abronia villosa var. aurita Louis B. Ziegler 1966-1 80 Riverside San Jacinto Mountains, Hemet (Thomas/Garner) Valley. 1402 Comment
  UC454270  Abronia villosa var. aurita I. J. Condit 1910-6-24 Riverside Along San Jacinto River Valley San Jacinto Mts, San Jacinto River Valley Comment
  RSA461186  Abronia villosa var. villosa Louis C. Wheeler 1931-11-26 380 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA726576  Abronia villosa var. villosa Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1420 Riverside Along Palen Road near Hwy 177. 170 Comment
  OBI13405  Acacia greggii Tracey & Viola Call, Viola Call 1962-4-6 2114 Riverside 3 mi NW of Desert Hot Springs 274 Comment
  RSA416159  Acamptopappus sphaerocephalus var. sphaerocephalus N. C. Cooper 1948-5-13 2845 Riverside Banning. 701 Comment
  RSA603073  Acer macrophyllum Joseph A. Ewan 1933-3-19 10900 Riverside Tin Mine Canyon, Santa Ana Mountains. Comment
  RSA179521  Achnatherum coronatum E. W. Lathrop 1959-5-17 4561 Riverside 14 miles west of Murrieta, Redonda Mesa Comment
Read comments
Apr 28 2011
  RSA494351  Achnatherum coronatum Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  RSA783299  Achnatherum coronatum J. D. Olmsted 1962-6-23 5227 Riverside 1/2 mile south of conservation-detention school east of Oak Glen, southeast of San Bernardino Mountains 1524 Comment
  UCD50446  Achnatherum hymenoides John Thomas Howell 1928-3-11 3428 Riverside 6 miles se. of Garnett Station, Colorado Desert, Riverside County. 152 Comment
  RSA797564  Achyronychia cooperi Baker, Michelle Cloud-Hughes 2011-12-18 17501 Riverside 67km WNW of Blythe, 17km west of Palen Pass, 27km NNE of Desert Center 175 Comment
  SD224960  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3092 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  SEINET957101  Acmispon argophyllus H. S. Gentry 1957-1 16385 Riverside Dripping Springs. 732 Comment
  JOTR34270  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3286 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
  SD132392  Acmispon micranthus Jerilyn Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, on mesa top 609 Comment
  SDSU12933  Acmispon micranthus Jutta Buschbom 1991-6-1 34 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SBBG45066  Acmispon rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwood Spring Comment
  UCSB18876  Acmispon strigosus Winn, Will 1963-5-4 Riverside County Highway R-1, 13.3 miles N of Lake Fillmore Picnic area 853 Comment
  RSA220969  Acourtia microcephala E. W. Lathrop 1966-5-8 6507 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SBBG18424  Adenophyllum porophylloides M. A. Piehl 1963-6-1 63533 Riverside St Hwy 74, ca. 7.6 mi NE of Pinyon Flat Cmpgrd, S of Palm Desert 731 Comment
  LA207889  Adenostoma sparsifolium H. Lewis; 1939-10-22 1036 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  SEINET5641183  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  UCR193877  Agrostis A. C. Sanders, Mitch Provance 2008-7-11 35808 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
  RSA5908  Agrostis idahoensis C. B. Wolf 1932-8-5 3945 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  UCR2126  Agrostis idahoensis F. M. Reed 1908-7-11 2500 Riverside San Jacinto Mtns., trail to San Jacinto Peak 2927 Comment
  OBI32757  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside 9 mi W of Murrieta Comment
  RSA740791  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12419 Riverside Johnson Meadow 1415 Comment
  RSA469419  Aliciella latifolia Christopher Davidson 1979-4-4 7675 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SBBG81636  Aliciella latifolia subsp. latifolia S. A. Junak 1983-3-23 1636 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park Comment
  CAS-BOT-BC434478  Allionia incarnata Peter H. Raven 1958-3-15 11849 Riverside Box Canyon Comment
  UC665904  Allionia incarnata Ira L. Wiggins 1941-3-27 9682 Riverside s end of Coxcomb Mountains 8 mi ne of Desert Center; Coxcomb Mountains Comment
  CAS-BOT-BC131981  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  SEINET8467179 Image available Allium haematochiton S. D. White 2001-4-19 8376 Riverside Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 442 Comment
  UCD138541  Allium haematochiton Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  UCR280991  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 85 Riverside Elsinore Trough, S end of Baker St., east side of intersection with Bunker St. 387 Comment
  UCR29139  Allium haematochiton David J. Keil, M. G. McLeod 1979-3-18 12972 Riverside Peninsular Range, Alberhill Junction along Hwy 71 366 Comment
  CAS-BOT-BC472714  Allium lacunosum var. lacunosum S. Mashayekhi; S. Boyd; M. Biabani 2008-4-15 SM 011 Riverside E. of Elsinore Peak Comment
  SD137979  Allium marvinii Darin L. Banks, Steve Boyd 1995-5-9 397 A Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 790 Comment
Read comments
Jul 31 2010
  RSA770513  Allium munzii S. Mashayekhi, Steve Boyd, D. Buck, J. Mendosa 2010-4-22 SM 047 Riverside Top of Estelle Mt. Drainage to Dawson Canyon Comment
  UC1544767  Allium munzii Steve Boyd 1986-5-7 1827 Riverside top of small ridge extending out from base of mountain (s slope of Alberhill Mt.); Temescal Canyon, Alberhill Mt. 426 Comment
  RSA58798  Allium parryi Philip A. Munz, Percy C. Everett 1950-6-23 14914 Riverside 2 mi. NW of Pipe Creek, south end of San Jacinto Mountains 1402 Comment
  RSA740237  Allium parryi Scott D. White, Justin M. Wood 2008-6-17 12191 -B Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA180313  Allium peninsulare var. peninsulare E. W. Lathrop 1965-4-30 5699 Riverside 5 miles W of Murrieta. Alt 2000ft 610 Comment
  RSA556518  Allium praecox Julie Greene 1993-4-10 1130 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. El Casco 7.5 USGS Quad. R2W, T3S, Center of the SW/4 of Section 29. 475 Comment
  CAS-BOT-BC475445  Allium serra W. G. Wright 1894-5-1 s.n. Riverside Not specified Comment
  RSA87940  Allophyllum glutinosum Verne Grant 1954-6-10 9395 Riverside Just above Garnet Queen Mine on Santa Rosa Mt. 1829 Comment
  UC1080554  Allophyllum glutinosum Verne and Alva Grant 1951-6-4 16009 Riverside 2 mi. s. Temecula (on Hwy. 395) 335 Comment
  UCR167680  Amaranthus albus T. B. Salvato, Melissa Clemons 2005-6-23 1285 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  CDA23780  Ambrosia acanthicarpa Mike Lahti 2008-10-14 PDR# 1509229 Riverside Temecula. 0 Comment
  RSA425023  Ambrosia acanthicarpa J. C. Roos 1965-9-26 s.n. Riverside Hemet Valley, San Jacimto Mtns. Comment
  CAS-BOT-BC22581  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside Near Mule Springs Comment
  CAS-BOT-BC22606  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -333 Riverside Joshua Tree National Monument: about 6 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22613  Ambrosia dumosa R. F. Hoover 1969-4-11 11219 Riverside Mouth of Morongo Valley Canyon Comment
  POM308538  Ambrosia dumosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3157 Riverside Palm Springs Comment
  RSA0121414  Ambrosia dumosa Duncan S. Bell, LeRoy Gross 2016-3-30 9184 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA775936  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SBBG29419  Ambrosia dumosa D. Myrick 1968-3-4 1801 Riverside Desert Hot Springs 304 Comment
  SEINET2043626 Image available Ambrosia dumosa C. M. Hanagan 1971-5-22 Riverside Approximately 1/4 mi. from the corner of Sunnyslope and Bagley Drive in 29 Palms Comment
  UCR17119  Ambrosia dumosa J. Texera 1970-3-27 11 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  UCSB41267  Ambrosia dumosa Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wellls 210 Comment
  CLARK-A1528-1537  Ambrosia ilicifolia John C. Roos 1958-3-15 Riverside Chuckwalla Mountains Comment
  HSC47331  Ambrosia ilicifolia Richard Spjut, C. E. Edson 1978-5-6 5024 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  POM10073  Ambrosia psilostachya Charlotte M. Wilder 1904-7-14 358 Riverside Jurupa Hills, Wilders Canyon. Comment
  POM318866  Ambrosia psilostachya Patricia Wilder 1970-10-30 4835 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  UCR141258  Ambrosia psilostachya A. C. Sanders, Kelly Volansky 2004-10-6 28824 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCSB9148  Ambrosia psilostachya Ballard 1954-10-26 Riverside 3 miles south of Men's Reform School (Chino Institute), Chino 182 Comment
  UC809697  Ambrosia salsola var. salsola E. K. Balls 1949-4-2 12904 Riverside open slopes towards Salton Sea near Durmid (on Hwy 111); Colorado Desert -67 Comment
  UC12059 Image available Amelanchier utahensis H. M. Hall May 1899 Riverside e end Thomas Valley; San Jacinto Mountains 1517 Comment
  UCR128294  Amelanchier utahensis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR64263  Ammannia coccinea Scott D. White 1990-9-25 s.n. Riverside Santa Rosa Plateau, c. 5 mi (airline) SW of Temecula, on Via Yerba Road, east of Via Vaquero Road 415 Comment
  CAS-BOT-BC177259  Amorpha fruticosa Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  RSA0089613  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR112524  Amsinckia intermedia Mitch Provance 1998-2-13 9 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR228885  Amsinckia intermedia A. C. Sanders 2011-4-6 39006 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  SBBG120832  Amsinckia menziesii var. menziesii A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel S of intersection on Collier Ave and Riverside Dr, NE of Alberhill Crk, NW of Enterprise Way 389 Comment
  HSC82821  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi. W of Hayfield Lake, 2 mi. SW of the pumping station on small cutoff road from Hayfield Rd. to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR114829  Anagallis arvensis Mitch Provance 1998-7-23 923 A Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  RSA500099A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  CDA37845  Anemopsis californica Mike Lahti 2012-7-18 PDR# 1590492 Riverside Winchester; near the intersection of Washington St. and Keller Rd. 0 Comment
  RSA761324  Angelica Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 682 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1237988  Anisocoma acaulis John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61120 Riverside 100 yds e of bridge over, (feeding Hemet Res. along Hwy 74) Hurkey Creek; Hemet Reservoir Comment
Read comments
Mar 24 2011
  UCSB6331  Anisocoma acaulis Graney, Don 1953-3-22 Riverside Morongo Canyon Comment
  UCR118634  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside, abandoned orange orchard north of 1012 Spruce St. 305 Comment
  SEINET2044246 Image available Antheropeas wallacei A. C. Sanders, Dave Hawks 1986-4-16 Riverside On the ridge above Whitewater Canyon, W of Bonnie Bell. Whitewater UTM, 10kmcell: NH-N5, E3. 915 Comment
  RSA708156  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA425789  Antirrhinum coulterianum R. S. Woglum 1937-5-22 588 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
Read comments
Apr 7 2011
  SD143717  Antirrhinum coulterianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  CLARK-A1528-4162  Antirrhinum filipes John C. Roos 1947-2-15 3238 Riverside Comment
  POM14369  Antirrhinum filipes Philip A. Munz, D. D. Keck 1922-4-9 4756 Riverside Shavers Well, near Mecca. 76 Comment
  UCR126175  Antirrhinum filipes Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley/Santa Rosa Mountains, Cathedral Canyon, east side of the housing development called 'The Cove 152 Comment
  UCR79265  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  SEINET6057800  Antirrhinum nuttallianum Parish, Greata 4746 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR107893  Antirrhinum nuttallianum G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  SDSU14193  Antirrhinum nuttallianum subsp. nuttallianum Kristin Andrade, Mike Simpson 2002-4-20 13 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  UC444964  Antirrhinum nuttallianum subsp. nuttallianum Edmund C. Jaeger 1927-4-2 Riverside Box Springs Mountains Comment
  POM3376  Apocynum sibiricum Crawford, Johnston 1917-6-9 1229 Riverside Santa Ana River near Corona. Comment
  SBBG61519  Arceuthobium campylopodum R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  RSA629381  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15085 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629438  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16557 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631725  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19280 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631743  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16500 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631791  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19565 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631803  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20166 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 6 km south of Pinyon Pines, Santa Rosa Mountains. 1585 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631826  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16611 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  RSA631841  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20170 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1450 Comment
  SDSU13993  Arctostaphylos glauca Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2146 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  UCR167779  Arctostaphylos glauca Richard Minnich 2002-10-28 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns; SE of VABM Inspiration; near the second peak (c. 0.4 mi) NW of Salton View (Keys View) Parking Lot 1677 Comment
  RSA633579  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20132 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633662  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16656 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633673  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20110 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633739  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20120 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  SEINET7048003  Arctostaphylos patula Steven R. Hill, Kate Kramer and family 2001-4-26 33470 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  RSA635598  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16760 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  CLARK-A1528-1139  Arctostaphylos pringlei subsp. drupacea Sherri Stange 1980-5-26 Riverside San Jacinto Mountains 1523 Comment
  RSA6037  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA652425  Arctostaphylos pringlei subsp. drupacea Edward Kai 1970-5-21 s.n. Riverside Idyllwild off Hwy 74. 1524 Comment
  CAS-BOT-BC46343  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at deer Springs trailhead and adjacent area. USGS San Jacinto Pk. 7.5' topo. 1828 Comment
  RSA636010  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19558 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636153  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19470 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  SD180724  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 407 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  UCR189784  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  UCR101403  Arenaria douglasii A. C. Sanders 1997-4-10 20328 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  CAS-BOT-BC401681  Argemone munita subsp. munita Ynez Whilton Winblad 1937-4-23 s.n. Riverside Between Beaumont and Riverside Comment
  JEPS48605  Argemone munita subsp. munita W. L. Jepson 1939-4-17 19162 Riverside about 2 mi e of Temescal Village (1 mi s of bridge over Temescal Creek on old road to Oak Grove, Temecula); Temecula 304 Comment
  SD114910  Argemone munita subsp. robusta D. Diaz 1982-5-18 Riverside Santiago Peak. Comment
  HSC25955  Arida carnosa Richard Spjut 1972-1-6 2111 Riverside Colorado Desert; ca. 2 miles N. of Palm Springs on Indian Ave. Comment
  CAS-BOT-BC137653  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  JOTR35938  Aristida adscensionis De Groot, Sarah J., Evan Meyer and Abby Hird 2013-3-23 6886 Riverside Joshua Tree National Park. north and northwest part of Lost Palms Oasis 960 Comment
  RSA0027581  Aristida adscensionis Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 36 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  UCR198192  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1891 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  CLARK-A1528-4482  Aristida purpurea John C. Roos 1965-8-15 Riverside San Jacinto Valley Comment
  UCR188224  Aristida purpurea Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1704 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  JOTR30088  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., frequent in road shoulder. 1385 Comment
  HSC85327  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills; Harford Springs County Park, south end of park 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
  IRVC472  Artemisia californica R. H. Whittaker, W. A. Niering 1963-6-6 SJ 223 248 Riverside San Jacinto Mtns: San Jacinto Ridge 655 Comment
  SEINET7048062  Artemisia californica Steven R. Hill 2001-4-29 33539 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
  UCR59135  Artemisia californica N. M. Fellows 1986-1-18 165 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mt 506 Comment
  RSA741734  Artemisia douglasiana Michael Wall 2008-10-3 493 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  UCR116674  Artemisia dracunculus A. C. Sanders, Carolyn Washburn 2001-5-10 24238 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  IRVC496  Artemisia ludoviciana subsp. incompta R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Above saw mill. Peninsular Ranges, Santa Rosa Mountains 1936 Comment
  RSA90123  Artemisia ludoviciana subsp. incompta E. K. Balls, Percy C. Everett 1953-8-19 18542 Riverside About Mountain Home Spring, Santa Rosa Mountain 1921 Comment
  CAS-BOT-BC90853  Artemisia nova Louis B. Ziegler 1964-8-15 s.n. Riverside on an area of about ten across about one and one-half miles north of Kenworthy Ranger Station, Garner Valley, 1615 Comment
  UCR4395  Asclepias albicans Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  RSA305671  Asclepias eriocarpa C. W. Tilforth, Walter Wisura 1979-10-11 1912 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley 1341 Comment
  SDSU2736  Asclepias erosa D. F. Howe 1963-5-15 3482 Riverside 18 miles east of Desert Center on U.S. 60 or 70. 152 Comment
  UC22975  Asclepias erosa H. M. Hall June 1901 2111 Riverside along borders Colorado Desert (e base of mountains); San Jacinto Mountains Comment
  UCR4504  Asclepias fascicularis John Dean 1965-7-28 s.n. Riverside Eastern Colorado Desert, 10 mi. north of Blythe on US Hwy 95 Comment
  SBBG5722  Asclepias subulata H. and M. Dearing 1940-11-10 5009 Riverside Thousand Palms Cyn Comment
  UC68698  Asclepias subulata H. M. Hall May 1905 5995 Riverside near Indio; Colorado Desert 60 Comment
  UCR82887  Asclepias subulata A. C. Sanders, S. White & C. Sanders 1994-10-9 15829 Riverside San Bernardino Mtns., Mission Canyon Road 520 Comment
  SEINET10779844  Asclepias subulata Mrs. B. L. Clary 1931-5-3 Clary 177 Riverside Box Canyon, Colorado Desert Comment
  RSA708639  Aspidotis californica Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10786 Riverside Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  SD138004  Aspidotis californica Darin L. Banks, Steve Boyd 1995-3-15 70 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area Comment
  CLARK-A1528-1613  Aster menziesii John C. Roos 1951-10-19 Riverside San Timoteo Canyon dry, semi-alkaline road side; with Artemisia douglasiana and Distichlis stricta; ; El Casco 7.5'Q 609 Comment
  UCR236547  Astragalus aridus Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-15 1214 Riverside Sonoran (Colorado) Desert, 30 miles west of Blythe near Palen Dry Lake, from I-10 exit Corn Springs Rd. north for about 8 miles 130 Comment
  CAS-BOT-BC182583  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Comment
  RSA498261  Astragalus didymocarpus var. dispermus Robert M. Perkins, H. de Forest 1937-3-15 382 Riverside Just West of Desert Center. Comment
  UCR208881  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Peninsular Range, Dripping Spring, near Temecula River 457 Comment
  UCR207696  Astragalus douglasii var. parishii Justin M. Wood, Brandy N. Wood 2009-6-13 888 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  POM306062  Astragalus filipes Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n Riverside Palms to Pines Highway. Comment
  RSA500980  Astragalus gambelianus Steve Boyd 1989-4-2 3202 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR158256  Astragalus gambelianus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30107 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC187121  Astragalus lentiginosus var. borreganus S. B. Parish 1907-4-15 6119 Riverside Western base of the Colorado Desert 360 Comment
  RSA507459  Astragalus lentiginosus var. coachellae D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
  RSA500086  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  RSA613644  Astragalus pachypus var. jaegeri D. L. Banks, Victor W. Steinmann 1997-3-13 1475 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA27336  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin. Comment
  UC537183  Astragalus palmeri M. E. Jones 1933-4-2 Riverside s Coachella Valley (Palms to Pine Road); s of Coachella Valley 1066 Comment
  CSUSB1295  Astragalus pomonensis I. S. Singh 1972-5-2 Riverside Highway 71, 5 miles south of Elsinore Comment
  PASA2745  Astragalus pomonensis Frank W. Peirson 1920-6-6 7696 Riverside Dripping Spring, Temecula River 457 Comment
  POM26491  Astragalus pomonensis George B. Grant 1898-3-15 1609 Riverside Riverside. Comment
  RSA180278  Astragalus pomonensis E. W. Lathrop 1965-3-30 5599 Riverside 14 miles W of Murrieta. Comment
  UC863010  Astragalus pomonensis Carl B. Wolf 1932-5-25 3697 Riverside 1 1/2 mi sw of summit Moreno Grade (Bad Lands, sw of Beaumont); Bad Lands, sw of Beaumont, summit Moreno Grade 548 Comment
  UCR127359  Astragalus pomonensis A. C. Sanders, D. Malueg 2003-5-8 26566 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR266482  Astragalus pomonensis Mitch Provance, Eric Kline 2015-3-26 315- 47 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  UCR281790  Astragalus pomonensis Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 99 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  CLARK-A1528-2762  Astragalus tricarinatus John C. Roos 1967-3-25 Riverside Whitewater Canyon 457 Comment
  POM96857  Astragalus tricarinatus M. French Gilman 1926-5-9 A 3 Riverside Colorado Desert. Morogo Wash. Comment
  RSA614428  Astragalus tricarinatus Aaron Liston, L. H. Rieseberg, Oscar Dorado 1992-3-26 852 Riverside Whitewater Canyon, 0.8 miles N of Whitewater Comment
  UCR91225  Athysanus pusillus Scott D. White 1996-3-31 3866 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  JOTR31971  Atrichoseris platyphylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2208 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA418187  Atrichoseris platyphylla N. C. Cooper 1949-4-8 3289 Riverside Shaver's Summit east of Indio 610 Comment
  UCR167264  Atrichoseris platyphylla John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CLARK-A1528-393  Atriplex canescens Charlotte Stocks 1951-9-15 Riverside Coachella Indio 7.5'Q Comment
  RSA5459  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET3930581  Atriplex canescens Grant D. Brown 1950-12-2 589 Riverside About 1 mile up Mockingbird Canyon in Riverside City limits.; 0 305 Comment
  UCR109568  Atriplex canescens R. D. Goeden, Don W. Ricker 1964-1-23 s.n. Riverside Coachella Valley, Indio, Jefferson St. at Hwy 111, near Whitewater River Channel 15 Comment
  CAS-BOT-BC170200  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mountains N. of Blythe Comment
  LA204701  Atriplex canescens subsp. canescens Norman C. Cooper; 1943-10-9 954 Riverside Hemet 304 Comment
  JEPS59546  Atriplex canescens subsp. linearis Mary Beal 1939-10-25 710 Riverside Palm Springs area , Palm Springs area (Mojave Desert) Comment
  JOTR34411  Atriplex canescens var. laciniata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3097 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring, near oasis 914 Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  HSC47343  Atriplex canescens var. linearis R. W. Spjut, Judy Adams 1978-11-22 5240 Riverside Colorado Desert, between Indian Wells and Indio along Hwy. 111 0 Comment
  CAS-BOT-BC168530  Atriplex confertifolia D. Bramlet 1991-6-1 2182 Riverside 1.4 km. west of Nuevo and some 10 m. south of the end of 12th Street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  RSA520931  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2060 Riverside In uncultivated portion of an agricultural field, some 1760 m. W of Nuevo, approximately 260 m. northeast of the intersection of Nuevo Rd. & Pico Ave. 473 Comment
  RSA532564  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2178 Riverside 1.4 km west of Nuevo and some 10 m. south of the end of the 12th street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  UCR66970  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2050 Riverside 2.3 km south of Perris, just east of Perris Valley Airport, c. 400 m east of N part of runway; c. 500 m south of Case Road. 433 Comment
  UCR260322  Atriplex davidsonii A. C. Sanders 2015-2-19 41253 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  CLARK-A1528-5398  Atriplex patula subsp. hastata John C. Roos, Lucille Roos 1951-10-24 5339 Riverside Pedley 228 Comment
  RSA478375  Atriplex polycarpa Allen 1920-10 s.n. Riverside Palm Springs. Comment
  RSA778411  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-5 57 Riverside Corn Springs Campground. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 497 Comment
  UCR49997  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  SEINET3004918  Atriplex rosea G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10336 Riverside Canal two miles north of Blythe. 70 Comment
  UCR201865  Atriplex suberecta Justin M. Wood 2008-8-31 118 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  UCR281872  Atriplex triangularis Mitch Provance 2012-11-9 1112- 19 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  POM243559  Baccharis brachyphylla E. C. Jaeger 1938-10-21 s.n Riverside Joshua Tree National Monument. 12 miles south of Warrens Well. In rocky gulches. Comment
  UCR281865  Baccharis brachyphylla A. C. Sanders, Jim Malusa 2017-9-19 43333 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.75 km SW (209 deg. ) of Tabaseca Tank 711 Comment
  CAS-BOT-BC106744  Baccharis salicifolia Geo. B. Grant 1898-3-16 s.n. Riverside Riverside Comment
  POM10241  Baccharis salicifolia E. L. Koethen 1897-1 30 Riverside Riverside Comment
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Nov 21 2015
  SBBG7732  Baccharis salicifolia H. and M. Dearing 1942-3-17 4834 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR189288  Baccharis salicifolia Fred M. Roberts, S. Leatherman 2007-9-19 6591 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SDSU199  Baccharis salicifolia subsp. salicifolia F. Young Berg 1933-10-2 Riverside Roadside near Chino. Comment
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Mar 10 2014
  RSA0108945  Baccharis sarothroides Duncan S. Bell, Amanda Bell 2012-1-28 3065 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  CDA10400  Baccharis sergiloides T. C. Fuller 1959-4-8 2472 Riverside Edge of Colorado River, 6 miles south of Ripley. 0 Comment
  JOTR28778  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UC166726  Baccharis sergiloides Geo. B. Grant May 1 1906-May 10 1906 96 Riverside Palm Springs Colorado Desert Comment
  RSA23272  Bahiopsis parishii Ernest Braunton 1940-03 2032 Riverside Berdoo Canyon. Comment
  RSA442011  Bahiopsis parishii Robert Gustafson 1980-5-5 1563 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA719045  Baileya pauciradiata Michael Honer 2005-3-11 2055 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UC665848  Baileya pauciradiata Ira L. Wiggins 1941-3-24 9571 Riverside 0.3 mi s, 4.6 mi n of Indio Myoma Comment
  POM248436  Bassia hyssopifolia Philip Crow 1939-7-11 s.n. Riverside Blythe. Comment
  POM49357  Bebbia juncea Philip A. Munz 1924-6-21 8203 Riverside Temecula Canyon. Comment
  UCR21998  Bebbia juncea Steve Boyd 1980-7-12 332 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET10616171  Bebbia juncea David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3629 Riverside Found in a wash 200 yards below springs. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  CAS-BOT-BC100131  Bebbia juncea var. aspera W. L. Jepson 1912-10-22 5249 Riverside Blythe Intake, Palo Verde Valley 137 Comment
  JOTR34039  Bebbia juncea var. aspera La Doux, Tasha, M. Harding 2010-4-7 2922 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UCD129535  Bebbia juncea var. aspera Geoffrey Levin 1975-4-5 468 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  UC1280787  Berberis aquifolium var. dictyota H. E. McMinn 1935-6-27 4076 Riverside Arthut Gilman's Ranch Banning Comment
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Dec 13 2011
  CLARK-A1528-315  Berberis dictyota Margaret, Lee Dean 1965-4-5 Riverside Bernasconi Hills 487 Comment
  UCR85191  Bernardia myricifolia A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  UCR109637  Berula erecta T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  CAS-BOT-BC140664  Bidens laevis Oleg Pryadko 2008-5-2 058 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  SDSU11582  Bloomeria crocea Ronald H. Bigelow 1962-5-23 Riverside Schloss Foundation, Just southeast from branch in road from HWY 395 to Santa Margarita River. Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  POM12847  Bloomeria crocea var. crocea Philip A. Munz 1922-6-24 5809 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  UC597596  Boechera californica Philip A. Munz 1937-5-30 15085 Riverside nw slope Santa Rosa Mts. 2133 Comment
  SBBG72287  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  RSA0123112  Boerhavia coccinea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9019 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR23481  Boerhavia coccinea John C. Roos 1966-9-20 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
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Sep 24 2017
  CLARK-A1528-3270  Boerhavia torreyana John C. Roos 1965-9-26 Riverside Santa Rosa Mountains 701 Comment
  RSA0018886  Boerhavia triquetra Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6023 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA608164  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR211497  Boerhavia triquetra Jim Andre, T. La Doux 2008-9-13 10264 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
  RSA594210  Boerhavia triquetra var. intermedia L. B. Ziegler 1967-8-26 s.n. Riverside Pinyon Flats Comment
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Feb 20 2009
  UCR264219  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41866 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  PASA1886  Boisduvalia glabella Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  RSA38417  Bothriochloa barbinodis P. A. Munz 1946-10-21 11588 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  RSA484738  Bothriochloa barbinodis A. C. Sanders, E. J. Lawlor 1988-10-22 8724 Riverside Santa Rosa Mountains Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA0062783  Bouteloua aristidoides Duncan S. Bell, Evan Meyer 2014-10-22 7657 Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  SEINET3920388  Bouteloua barbata Faulkner 1978-3-21 338 Riverside 9 miles N. of Blythe on Hwy 95.; 0 152 Comment
  SEINET7294492 Image available Bouteloua barbata var. barbata Louis B. Ziegler 1967-1 s.n. Riverside Dry valley floor, lower edge of Yellow Pine Belt; Hemet Valley, San Jacinto Mts. 1402 Comment
  UCR241677  Brachypodium distachyon O. F. Clarke 2010-5-4 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UC635681  Brandegea bigelovii H. L. Mason 1928-3-10 4213 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCSB41346  Brandegea bigelovii Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd., 7 miles southwest of junction with Chuckwalla Rd., Colorado Desert 457 Comment
  RSA751260  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  SD132412  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside; at the end of the dirt road in Two Trees Canyon. Comment
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Sep 10 2011
  UCR91451  Brassica geniculata Scott D. White 1995-3-30 2673 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
  RSA783014  Brassica tournefortii J. Andre 2011-2-9 15931 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
  UCR75078  Brassica tournefortii A. C. Sanders, E. J. Lawlor 1992-4-4 12122 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA93718  Brickellia arguta F. W. Peirson 1928-4-24 7900 Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  CAS-BOT-BC106193  Brickellia desertorum Edmund C. Jaeger 1921-10-9 118 Riverside Palm Springs, Colorado Desert Comment
  CLARK-A1528-5510  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  RSA89894  Brickellia desertorum J. C. Roos, L. Roos 1950-10-28 5020 Riverside N base Mt. Russell, 1 mi SE of Moreno. 550 Comment
  SBBG45061  Brickellia desertorum C. B. Wolf 1931-10-14 2454 Riverside Snow Crk, ca. 0.5 mi below the Fish Hatchery, N base of San Jacinto Mtns 548 Comment
  UCR140894  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  CLARK-A1528-1673  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  RSA263716  Brodiaea filifolia E. W. Lathrop 1968-6-2 6965 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
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Apr 7 2011
  UCD60266  Bromus A. A. Beetle 1946-6-10 4345 Riverside Mt. San Jacinto. Ridge at top of Tahquitz Valley. 2438 Comment
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  SEINET251969 Image available Bromus arizonicus A. C. Sanders 1995-3-22 16221 Riverside San Gorgonio Pass, San Jacinto Mountains: on and near a rocky spur at the north foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabezon. 390 Comment
  RSA179505  Bromus carinatus E. W. Lathrop 1964-5-24 5393 Riverside 8 miles west of Murrieta Comment
  JOTR35261  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
  RSA615098  Bromus diandrus D. L. Banks 1997-3-29 1581 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border;, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA179503  Bromus grandis E. W. Lathrop 1960-6-7 4868 Riverside 10 miles west of Murrieta. Redonda Mesa. Comment
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Apr 28 2011
  RSA740616  Bromus grandis Scott D. White, Justin M. Wood 2008-6-19 12254 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCR2232  Bromus hordeaceus F. M. Reed 1906-5-31 970 Riverside Riverside, on Sedgwick Street in a little arroyo 274 Comment
  SEINET3923278  Bromus rubens Lydia Paneri 1982-4-17 53 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Hillside waste area.; 0 Comment
  UCR154831  Bromus rubens A. C. Sanders, Mike Misenhelter 2005-3-23 29278 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA91692  Bromus rubens F. W. Peirson 1918-03 1557 Riverside Palm Springs Comment
  OBI35843  Bromus sitchensis J. & L. Roos, L. Roos 1954-5-29 6122 Riverside Cyn 1 mi SE of summit of Reche Cyn 686 Comment
  POM47669  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA27032  Caesalpinia virgata C. L. Hitchcock 1940-3-29 5850 Riverside 12 miles east of Indio. Comment
  RSA5167  Caesalpinia virgata C. B. Wolf 1932-4-26 s.n Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  RSA651714  Caesalpinia virgata Viki Cruz 1983-5-8 004 *k Riverside Collected at the end of dirt road two miles off of Indian Trail Road. Magnesia Canyon, Santa Rosa Mts 396 Comment
  RSA653708  Caesalpinia virgata Scott D. White 2000-3-27 7640 Riverside Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry. 46 Comment
  UC604866  Caesalpinia virgata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9564 Riverside 2 mi. up Painted Canyon (Mecca Hills); , Painted Canyon Comment
  UCR166540  Caesalpinia virgata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10878 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA0105077  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA701342  Calandrinia ciliata Michael Wall 1996-5-13 136 Riverside Cherry Valley N of Beaumont Oak Glen Rd, 2.6 mi N of Cherry Valley Blvd, W side of rd. Comment
  UCR171960  Calandrinia ciliata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR259231  Calandrinia ciliata Mitch Provance, Jeremiah George 2012-4-24 412- 08 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  UCR17994  Calandrinia ciliata var. menziesii Mark Morris, Richard C. Barkelew 1929-3-10 s.n. Riverside San Jacinto Mountains, Indian [Creek] Canyon or adjacent dry hills Comment
  POM10103  Calocedrus decurrens E. A. Zumbro 1903-08 s.n Riverside Idylwild [Idyllwild] Comment
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Jan 11 2007
  RSA748158  Calocedrus decurrens K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 16 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  UCSB10556  Calocedrus decurrens Ralph, F. 1959-5-16 Riverside Near the foot if Devil's Slide Trail entering the Wilderness area of Mt. San Jacinto State Park 1828 Comment
  RSA377349  Calochortus concolor Russell S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains. Comment
  CAS-BOT-BC483415  Calochortus invenustus Mary F. Spencer 1919-6-20 1353 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  CAS-BOT-BC483416  Calochortus invenustus H. M. Hall 1901-7-1 2475 Riverside Tahquitz Valley, San Jacinto Mountains 2712 Comment
  UCR215366  Calochortus palmeri var. munzii Fred M. Roberts 2006-6-28 6347 Riverside Peninsular Range; San Jacinto Mountains, Little Thomas Mountain; upper Spillway Canyon, Thomas Mountain Road, 2.9 km by road from jct. SR74 and 2.1 km (air) north of Little Thomas Mountain 1440 Comment
  CAS-BOT-BC483503  Calochortus splendens E. W. Lathrop 1965-5-18 5759 Riverside 8 miles west of Murrieta 609 Comment
  RSA369018  Calochortus weedii Robert Gustafson, Gary D. Wallace 1983-6-23 2709 Riverside Santa Ana Mountains, Clinton Keith Road near junction with Tenaja Road. Comment
  UCR217523  Calochortus weedii var. intermedius Rose Cook, Kim Sparks 2010-6-10 04 Riverside Perris-Aguanga Basin, French Valley, c. 615m northeast of Hogbacks and 1.67km northwest of the intersection of Hwy 79 and Auld Road. 25m west of Jeanette Road 393 Comment
  RSA68622  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2180 Riverside Grade south of Temecula River, going toward Dripping Spring 427 Comment
  UCR4320  Calycadenia tenella D. Gordon 1952-5-19 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus 335 Comment
  RSA80994  Calycoseris parryi G. R. Campbell 1952-4-5 18380 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  RSA0121001  Calycoseris wrightii Duncan S. Bell, LeRoy Gross 2016-3-8 8832 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  SEINET8481392 Image available Calycoseris wrightii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40646 Riverside Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  SBBG1920  Calyptridium monandrum H. and M. Dearing 1937-4-10 224 Riverside 16 mi N of Indio Comment
  UCR116785  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24163 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
  UC454261  Calyptridium monospermum I. J. Condit 1910-6-23 Riverside summit of San Jacinto Mountain 3291 Comment
  RSA788871  Calyptridium parryi Gary D. Wallace 2003-7-8 4031 Riverside Hidden Lake. Comment
  SDSU17441  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 373 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 20 meters south of sign marking high point, in sandy opening among boulders. 3292 Comment
  UCR20549  Calystegia fulcrata W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  UCR35149  Calystegia macrostegia L. B. Ziegler 1972-7-19 491 Riverside San Jacinto Valley. Dry wash of the San Jacinto River 473 Comment
  SD152879  Calystegia macrostegia subsp. intermedia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6695 Riverside Santa Ana Mountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC221319  Calystegia macrostegia subsp. tenuifolia John Thomas Howell 1930-5-10 4801 Riverside At top of St. John's Grade Comment
  RSA291569  Calystegia occidentalis subsp. fulcrata C. W. Tilforth, John Dourley 1980-7-15 2077 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UCR241181  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 11 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  SEINET7073381  Camissonia bistorta A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR4125  Camissonia bistorta Ronald M. Cope 1965-5-2 s.n. Riverside Box Springs Mtns., W side of Pigeon Pass, 7 mi. north of freeway (State Hwy 60), on Box Springs Mountain 610 Comment
  UCR213396  Camissonia boothii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37465 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
  RSA175081  Camissonia boothii subsp. condensata Robert F. Thorne 1963-3-29 32426 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA485834  Camissonia brevipes subsp. brevipes T. S. Elias 1988-2-26 10678 Riverside Eagle Mountains. East of Joshua Tree National Monument. Comment
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Mar 21 2011
  JOTR29161  Camissonia californica La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1238 Riverside Joshua Tree National Park. Key's view Comment
  RSA523538  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3998 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA678219  Camissonia californica Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1086 Riverside Big Morongo Wash. 473 Comment
  UCR233150A  Camissonia californica Jim Andre, Glenn L. Clifton 2011-2-22 17462 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR85381  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16153 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  UC168845  Camissonia campestris subsp. campestris Marcus E. Jones, A. M. 1882-4-24 3168 Riverside San Jacinto Comment
  POM255920  Camissonia cardiophylla C. L. Hitchcock 1940-4-1 5899 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA682857  Camissonia claviformis subsp. aurantiaca Scott D. White 2003-3-20 8829 Riverside Coachella Valley: Immediately north of the I-10 / Jefferson Av. freeway interchange. 12 Comment
  SEINET3093303 Image available Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2655 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  POM48921  Camissonia confusa P. A. Munz 1924-5-18 8142 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UCR116886  Camissonia graciliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24217 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  RSA585511  Camissonia hirtella D. L. Banks, Steve D. Boyd 1995-5-9 372 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA782529  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  UCR96811  Camissonia intermedia Scott D. White 1993-3-12 1184 Riverside Near Winchester 466 Comment
  UCR224308  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon, Santa Ana River, c. 0.75 mi downstream of Prado Dam, just northeast of Green River housing estate 137 Comment
  SEINET1109638  Camissonia pallida A. C. Sanders, K. C. Rose 1995-1 16368 Riverside San Bernardino Mtns. Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  RSA186157  Camissonia pallida subsp. pallida William Theobald 1960-4-10 62 Riverside Pinyon Crest Road 2.5 miles from Palms-to-Pines Highway. Comment
  POM299273  Camissonia refracta A. M. Alexander, Louise Kellogg 1941-5-15 2184 Riverside Base of Eagle Mountains. 915 Comment
  POM67091  Camissonia refracta Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR110958  Camissonia strigulosa George K. Helmkamp 1998-6-27 4103 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
  POM9585  Camissonia strigulosa I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  SD148111  Camissoniopsis bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley rd., 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) on decomposed granite slopes along a dirt road, generally N-facing slopes with sandy soil 438 Comment
  UC1228539  Camissoniopsis ignota C. L. Hitchcock and C. V. Muhlick 1962-3-16 22151 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  RSA769195  Carex bolanderi P. F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside Bridge over North Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains 1785 Comment
  POM14976  Carex fracta Mary F. Spencer 1922-6-27 1982 Riverside Dutch Flats, San Jacinto Mountains. 1220 Comment
  UC1930173  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside San Jacinto Mountains; junction of Dark Canyon and Fuller Mill Creek Comment
  POM14316  Carex multicostata Phillip A. Munz 1922-7-7 6052 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  UC729830  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  SD73491  Carex praegracilis E. W. Lathrop 1959-5-17 4571 Riverside 10 miles west of Murrieta; open grasslands; open woods on slopes and valleys; dense grassy stream bank in shallow oak woodland valley. Comment
  UCR178312  Carex praegracilis T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 934 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  CAS-BOT-BC117860  Carex sartwelliana D. E. Breedlove 1961-7-29 872 Riverside Fuller Mill Creek where it crosses Riverside Hwy # 1. San Jacinto Mountains. 1645 Comment
  SEINET11125985 Image available Carex sartwelliana P. Zika, Otting, N 2010-1 25299 Riverside San Bernardino National Forest, N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Jacinto Mountains (SnJt) Comment
  UCSB18913  Carex schottii Keefe, Joseph 1965-5-18 Riverside 100 meters east of stream; Fullermill Creek Campground; north of Idyllwild 1645 Comment
  RSA500081  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3231 Riverside Vail Lake Area. Sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  SD65544  Castilleja applegatei subsp. martinii Robert L. Rutherford 1944-6-17 1418 Riverside San Jacinto Mtn., above Banning, canyon floor 1372 Comment
  SEINET3289840 Image available Castilleja applegatei subsp. martinii M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1445 Riverside Peninsular Ranges; San Jacinto Mountains region: Northeast side of Tahquitz Peak, on trail to Saddle Junction. 2637 Comment
  RSA0010921  Castilleja densiflora subsp. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade. 762 Comment
  HSC93129  Castilleja exserta subsp. exserta Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA0010926  Castilleja exserta subsp. exserta N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  RSA751915  Castilleja foliolosa Scott D. White, Justin M. Wood 2009-5-22 12918 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  UC1951109  Castilleja foliolosa Scott D. White, Justin Wood 2009-5-22 12918 Riverside SAN JACINTO MOUNTAINS: Old Control Road, above Halfway Spring. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR115997  Castilleja foliolosa A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23318 Riverside Shipley-Skinner Reserve area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley 579 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
  UC56735  Caulanthus hallii W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1902 Riverside Santa Rosa Mt., Coyote Canyon 1584 Comment
  UCR44203  Caulanthus hallii A. C. Sanders 1986-6-1 6555 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UC75765  Caulanthus heterophyllus Miss M. Alice King March, 1893 Riverside bet. Elsinore and Menifee; bet. Elsinore and Menifee Comment
  UCR112578  Caulanthus heterophyllus D. E. Bramlet 1992-4-2 2203 Riverside San Bernardino Mtns., San Gorgonio River at the confluence with Hathaway Creek on the Morongo Indian Reservation; 15.2m north of Morongo Road and 2.2km northeast of the San Bernardino freeway (I-10). 701 Comment
  RSA0026296  Caulanthus simulans John F. Emmel 1991-4-28 1166 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  UC455343  Ceanothus cordulatus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  LA41978  Ceanothus crassifolius W. E. Pequegnat; 1939-4-8 34 Riverside Santa Ana Mts Comment
  RSA234078  Ceanothus crassifolius Robert F. Thorne, E. W. Lathrop 1969-6-6 39332 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA562563  Ceanothus crassifolius Steve Boyd, W. Appleby 1993-3-14 7726 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  RSA606761  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27423 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCD111427  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 miles southeast of Temecula on Highway 71. Comment
  RSA575058  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -B Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA0067949  Ceanothus cuneatus John F. Emmel 1994-4-17 1294 Riverside San Jacinto Mtns.; canyon 0.7-0.8 air mile ESE of Keen Camp Summit, north of Lake Hemet. 1387 Comment
  HSC47408  Ceanothus leucodermis Richard Spjut, C. E. Edison 1978-5-5 5021 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  POM305701  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1038 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA583614  Ceanothus leucodermis Steve Boyd, Darin Banks 1995-3-30 8409 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  SBBG119994  Ceanothus leucodermis A. C. Sanders with M. Misenhelter 2005-3-23 29263 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SD7232  Ceanothus leucodermis Daniel Cleveland May 1882 Riverside Temecula Comment
  HSC18364  Ceanothus oliganthus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23109 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA569995  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7910 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SD136148  Ceanothus ophiochilus Kirsten Winter, Deveree Volgarino 1993-3-18 Riverside Agua Tibia Wilderness, along Highway 79 south of Woodchuck Park 609 Comment
  UC1611574  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7914 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 Comment
  RSA0019593  Ceanothus palmeri Keith E. Hoffmaster 1937-6-6 776 Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  CAS-BOT-BC51927  Ceanothus perplexans H. M. Hall 1901-6-1 2156 Riverside Eastern base, along the borders of the Colorado Desert Comment
  CAS-BOT-BC51928  Ceanothus perplexans Carl B. Wolf 1932-5-24 3655 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above Fish Hatchery 792 Comment
  RSA0022336  Ceanothus perplexans Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA0022331  Ceanothus perplexans P. A. Munz 1922-7-3 5959 Riverside South side of Santa Rosa Mts. 1677 Comment
  UC1073273  Ceanothus spinosus George B. Rossbach 1955-4-28 345 Riverside Route 78 se Banning (San Jacinto Mountains, just s of n boundary of San Bernardino National Forest); s of n boundary San Bernardino Nat For, San Jacinto Mts. Comment
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Jun 9 2012
  UC1071422  Ceanothus tomentosus R. St. John 1931-3-4 193 Riverside Tin Mine Canyon 609 Comment
  UCR137484  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-3-29 1574 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  SBBG4566  Ceanothus tomentosus var. olivaceus H. and M. Dearing 1939-4-5 3089 Riverside 5 mi N of Beaumont Comment
  POM78963  Cenchrus longispinus I. M. Johnston 1925-7-1 s.n. Riverside 1 mile W of Wineville on Ontario Road [Mission Blvd.] Comment
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Apr 2 2011
  UC63138  Centaurea melitensis H. M. Hall 1900-6-1 Riverside Riverside Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  RSA391501  Centaurium venustum M. M. Thompson 1947-6-9 c 2066 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC729471  Centaurium venustum Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  SD134523  Centromadia pungens subsp. laevis Craig Reiser 1990-6-10 Riverside Adjacent to Temecula Creek within urban Temecula Comment
  UC1746510  Centromadia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside between Hwy 79 (Winchester Rd.) and Scott Rd. upper Warm Springs Creek; Domenigoni Valley; upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  UCR217501  Centromadia pungens subsp. laevis Ana Hernandez, Kim Sparks 2009-6-23 011 Riverside Perris basin, Sycamore Canyon, I km north of Alessandro Blvd., along trail next to river. 446 Comment
  SD51948  Cerastium fontanum Reid Moran 1962-7-7 9856 Riverside By Strawberry Creek, 2.0 muiles southwest of Idyllwild. 1550 Comment
  CSUSB929  Cercidium floridum M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  RSA5170  Cercidium floridum C. B. Wolf 1932-4-26 2981 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  CSUSB1862  Cercocarpus betuloides A. H. Wheeler 1974-7-22 Riverside San Jacinto Mountains Palms To Pines Highway- Juniper Flats 1219 Comment
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Dec 4 2011
  LA47755  Cercocarpus betuloides L. Haines; L. Erickson 1937-4-10 sn Riverside Palms to Pines Highway Comment
  JOTR30770  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UC219550  Cercocarpus betuloides var. betuloides P. A. Munz 1922-6-30 5925 Riverside Santa Rosa; Santa Rosa Mountains, Santa Rosa 1981 Comment
  RSA543201  Chaenactis artemisiifolia Steve Boyd 1991-5-2 6101 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR174518  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32508 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
  CAS-BOT-BC293742  Chaenactis carphoclinia Mona Bourell 1987-4-14 3269 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca 150 Comment
  RSA0107467  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2009-3-29 157 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  SD21518  Chaenactis carphoclinia Frank F. Gander 1938-5-21 5763 Riverside Shaver's Summit. Comment
  UCD130234  Chaenactis carphoclinia Geoffrey Levin 1975-4-5 466 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  POM15070  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-4-13 1756 Riverside Chino canyon, Colorado Desert. 183 Comment
  POM15196  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-3-29 1444 Riverside Painted Canyon. 152 Comment
  UC69071  Chaenactis carphoclinia var. peirsonii H. M. Hall 1905-4-1 5809 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  CAS-BOT-BC276925  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside S side of LIttle San Bernardino Mountains. Dillon Road and 1000 Palms Oasis Rd Junction S of Joshua Tree National Park, parallel to I-10. 5 miles E of Junction Dillon Road and Fargo Canyon Road. Near small hill with blow sand on top 2000' 609 Comment
  CAS-BOT-BC276926  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazon Comment
  JEPS30922  Chaenactis fremontii P. Stockwell 1940-4-24 1504 Riverside 1 mi e of Cabazon Comment
  SBBG54452  Chaenactis fremontii L. R. Abrams 1926-3-25 11045 Riverside between Banning and Cabazon Comment
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Mar 13 2011
  SD247580  Chaenactis fremontii J. Mark Porter, Leigh A. Johnson 1997-3-10 11464 Riverside Whitewater Canyon, ca. 1.0 mile north of Whitewater (along Interstate 10). 473 Comment
  UC31002  Chaenactis fremontii S. B. Parish Apr 4 1896-Apr 13 1896 4119 Riverside desert base of San Jacinto Mt.; , Palm Springs (Agua Caliente) 152 Comment
  UCSB12971  Chaenactis glabriuscula Elliott, Millicent 1962-5-5 Riverside 6.6 miles south of junction of 8th Street (Banning) with U.S. 70-00; San Jacinto Mountains 1158 Comment
  POM305652  Chaenactis glabriuscula var. glabriuscula Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1014 Riverside Aguanga. Comment
  RSA615322  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  UCR96275  Chaenactis glabriuscula var. glabriuscula Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Along creek, just SE of Hogbacks 328 Comment
  UCR20191  Chaenactis parishii Jeanine Derby 1977-1 s.n. Riverside Santa Rosa Mtns., Santa Rosa Mountain, along FS Route 7S02 [near Mountain Home Spring] 1951 Comment
  RSA776767  Chaenactis stevioides Amber Swanson 2011-4-8 381 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  POM147695  Chaenactis stevioides var. stevioides Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
  RSA779629  Chaenactis stevioides var. stevioides Duncan S. Bell 2010-4-1 672 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  RSA793471  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  UC17620  Chamaesyce albomarginata Geo. F. Reinhardt June, 1897 Riverside Comment
  RSA784930  Chamaesyce polycarpa Duncan S. Bell 2012-2-12 3098 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET9256499  Chamaesyce polycarpa B. Ertter, J. L. Strachan 1980-5-20 3465 Riverside W side Whitewater Hill, E side Whitewater Wash, NW end of Coachella Valley, N of I-10. 457 Comment
  RSA640168  Chamaesyce prostrata L. C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave. Corona. Comment
  JOTR30052  Chamaesyce serpyllifolia La Doux, Tasha, Jade Mohajerin 2006-10-12 1662 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  JEPS20750  Chamaesyce setiloba Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13254 Riverside Highway U.S. 95, 11.3 mi n Blythe; Big Maria Mts. Comment
  POM11987  Cheilanthes covillei E. C. Jaeger 1922-8-20 1006 Riverside Long Valley to Palm Springs 2133 Comment
  RSA685715  Cheilanthes covillei N. R. Zabriskie, W. M. Zabriskie 1971-4-9 365 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  UC218616  Cheilanthes covillei Ivan Johnston Apr Riverside Palm Canyon Comment
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Jul 4 2015
  POM929  Cheilanthes covillei I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  JEPS35126  Cheilanthes parryi S. B. and W. F. Parish April, 1882 504 Riverside Agua Caliente Colorado Desert (Mts bordering the Colorado Desert) Comment
  POM160095  Cheilanthes parryi E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  RSA86209  Cheilanthes parryi F. W. Peirson 1920-12-28 1504 Riverside Murray Canyon, near Palm Springs 304 Comment
  UC424876  Cheilanthes parryi Milo S. Baker 1928-4-2 32926 Riverside Palm Canyon Comment
  CAS-BOT-BC70383  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  RSA554284  Chenopodium album Scott D. White 1992-2-25 92 -12 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA661033  Chenopodium berlandieri A. C. Sanders, Mitch Provance 1999-9-26 23076 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR252003  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2014-7-2 41177 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SD152884  Chenopodium berlandieri var. sinuatum Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7661 Riverside Southern Santa Ana Mountains, upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  RSA478500  Chenopodium californicum M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  SD233273  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains: Quinn Flat Meadow. Meadow and adjacent uplands. 1372 Comment
  JOTR01006  Chenopodium californicum Cole, James E. 1941-6-9 855 Riverside Joshua Tree National Park. STUBBY SPRING AREA 1371 Comment
  RSA0042479  Chenopodium murale Duncan S. Bell, Evan Meyer 2014-4-2 6492 Riverside Orocopia Mountains; Orocopia Mountain Wilderness boundary; southern section of range; approximately 0.4 air mile south of Canyon Spring. 352 Comment
  CAS-BOT-BC231791  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-26 s.n. Riverside Lost Palms Canyon, Eagle Mts. 762 Comment
  RSA722348  Chilopsis linearis J. Russell Bruff 1931-4-25 458 Riverside Whitewater Wash 3 mi. west of Palm Springs. Comment
  RSA793476  Chilopsis linearis Duncan S. Bell, Aaron Sedgwick 2012-9-13 4208 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal., Or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  SBBG133564  Chilopsis linearis S. D. White, A. Carey 2004-7-2 10565 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  RSA609746  Chilopsis linearis subsp. arcuata R. S. Woglum 1934-4-12 1354 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  CAS-BOT-BC184866  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley. 20 miles west of Blythe on the Mecca Road. 121 Comment
  UCD57941  Chloris virgata H. B. Richardson 1941-2-17 s.n. Riverside Riverside at Date Gardens, Coachella Valley. Comment
  RSA516902  Chorizanthe brevicornu Steve Boyd, Orlando Mistretta 1986-3-13 1422 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  SEINET7063566  Chorizanthe brevicornu A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA314444  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55432 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA392605  Chorizanthe brevicornu var. brevicornu F. R. Fosberg 1932-3-13 8066 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA772060  Chorizanthe brevicornu var. brevicornu Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4626 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG81486  Chorizanthe brevicornu var. brevicornu S. A. Junak 1983-3-23 1623 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR4619  Chorizanthe brevicornu var. brevicornu Frank C. Vasek 1960-3-17 600317- 05 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  UCR18389  Chorizanthe corrugata Holly Hartman 1979-4-25 s.n. Riverside Western Colorado Desert, Painted Canyon in the Mecca Hills Comment
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  UCR66982  Chorizanthe leptoceras D. E. Bramlet, D. J. Bradney 1989-6-12 1915 Riverside Arroyo Seco, 1000 ft. south of Hwy 79 and 700 ft west of U.S.F.S. Dripping Springs Campground, on sandy beaches c. 200 ft. west of Arroyo Seco channel 485 Comment
  CAS-BOT-BC191355  Chorizanthe leptotheca Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM13287  Chorizanthe parryi var. parryi E. C. Jaeger 1920-3-25 1058 Riverside Palm Springs. Comment
  RSA11625  Chorizanthe parryi var. parryi C. Epling, W. M. Robinson 1934-6-24 s.n. Riverside Near Banning, San Gorgonio Wash in the Little San Bernardino Mts. Comment
  RSA487196  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  SBBG34231  Chorizanthe parryi var. parryi T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR189568  Chorizanthe polygonoides var. longispina Diane Menuz 2006-4-10 083 Riverside Peninsular Range- Temesal Canyon, Alberhill. North of Lake Elsinore, south of Highway 71 Comment
  UCR228830  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-4 38973 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR48478  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0121214  Chorizanthe rigida Duncan S. Bell, LeRoy Gross 2016-3-8 8818 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  UCR51957  Chorizanthe rigida Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2105 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA559367  Chorizanthe staticoides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR121193  Chorizanthe staticoides D. E. Bramlet 1989-5-20 1880 Riverside Perris-Aguanga Basin region, Lake Skinner area, 7500 ft. (1.4 mi) east of Lake Skinner Dam and 500 ft. (c. 0.1 mi.) north of access road 518 Comment
  SEINET6894766  Chorizanthe staticoides W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  UC729665  Chorizanthe xanti Carl B. Wolf 1932-5-25 3677 Riverside Snow Creek Canyon 1 mi below Fish Hatchery (n base San Jacinto Mountains); , Snow Creek Canyon 396 Comment
  UCR42359  Chorizanthe xanti B. G. Pitzer 1986-5-4 0199 Riverside Colorado Desert/San Bernardino Mtns., Whitewater Canyon, at N edge of hatchery to c. 0.25 mi. N; c. 5 mi. north of Interstate Hwy 10 on Whitewater Canyon Road. 732 Comment
  RSA660917  Chrysothamnus nauseosus Mitch Provance 1998-5-4 1716 Riverside Belltown area, 'gravel pits' just S of 26th St. and Hall Ave. 250 Comment
  RSA144221  Chrysothamnus nauseosus subsp. bernardinus William McKinley Klein 1960-8-22 1587 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  UC1184445  Chylismia brevipes subsp. pallidula Peter H. Raven 1958-3-1 11745 Riverside US Hwy 95 8.6 mi n Blythe Comment
  CAS-BOT-BC293737  Chylismia cardiophylla subsp. cardiophylla Mona Bourell 1987-4-14 3278 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  UCD103851  Chylismia claviformis John Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert. Salton Basin. Coachella Canal right-of-way, between siphons 22 and 23, S of Salt Creek. 23 Comment
  CAS-BOT-BC160634  Chylismia claviformis subsp. aurantiaca Donald W. Kyhos 1964-3-1 64 -3 Riverside 0.7 miles from U. S. Highway 99 on road to Snow Creek Comment
  SD187441  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1424 Riverside Northeastern Colorado Desert region; along Palen Road near Highway 177. 170 Comment
  RSA509545  Cicer arietinum Jim Hitchcock 1989-4-12 s.n Riverside University of California Agricultural Operations Buildings. E of Pennsylvania Ave. Growing (as a weed) next to the buildings. Comment
  POM307245  Cistanthe monandra Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2103 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC171997  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Temescal Canyon, terrace escarpment E side of Indian Wash, S of 1-15 Comment
  UCR92053  Clarkia epilobioides Scott D. White, M. Jacobsmeyer 1996-4-20 3954 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UCR176752  Clarkia similis Joseph Cahill 1998-5-20 6- 02 Riverside Peninsular Range, Box Springs Mountains, 0.5 mi. up along trail from parking lot off Pigeon Pass Rd. from Moreno Valley 732 Comment
  SD217337  Clarkia unguiculata Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside Agua Tibia Mountains: Northwest foothills of Dorland Mountains; South end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 meters inside the preserve boundary gate. 3 meters East of the main road along an open field. 448 Comment
  POM307314  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1938-4-22 2225 Riverside Santa Rosa Mts. Comment
  RSA0021842  Claytonia parviflora subsp. parviflora A. C. Sanders 2002-5-4 25040 Riverside San Jacinto Mtns.: Idyllwild, Pine Crest Ave., NE of Hwy 243. 1677 Comment
  SD73598  Claytonia parviflora subsp. parviflora Helen V. Witham 1970-5-1 848 Riverside steep north bank, Bautista Canyon, southeast of Hemet 800 Comment
  POM11521  Claytonia parviflora subsp. utahensis P. A. Munz 1922-6-30 5909 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR120156  Claytonia perfoliata Mitch Provance 1998-2-28 124 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  OBI32523  Claytonia perfoliata subsp. mexicana Richard L. Irwin 1962-4-15 26 Riverside Sycamore Cyn- ca. 1.4 mi S on Cyn Crest Dr from Penn Ave; then to left on dirt rd ca 0.3 mi; then to right about 1/2 mi to end of rd; then over rise and to crk 335 Comment
  RSA221081  Clematis lasiantha E. W. Lathrop 1966-4-28 6220 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. 610 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
  RSA525355  Collinsia concolor Steve D. Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4451 -B Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UC219054  Collinsia concolor Munz and Johnston 1922-5-19 5433 Riverside Hemet Valley; San Jacinto Mtns; Hemet Valley 1402 Comment
  UCR107386  Collinsia concolor B. G. Pitzer 1997-3-23 2962 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
  RSA0117422  Collinsia concolor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  SBBG47466  Collinsia heterophylla N. C. Cooper 1944-6-17 1429 Riverside Pine Cove 1371 Comment
  JOTR30263  Colubrina californica Leary, Pat 1987-5-21 3833 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  UCR41549  Colubrina californica A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6141 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCR205442  Convolvulus simulans Jeff B. Galvin 2008-4-14 008 Riverside Perris-Hemet Basin, Public land c. 900 m west of Briggs St., c. 1.1 km south of Scott Rd. 466 Comment
  RSA561493  Conyza canadensis Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7657 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR177634  Cordylanthus rigidus John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR227599  Cordylanthus rigidus Duncan S. Bell, Colleen Wheeler 2010-7-19 1634 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.9 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1376 Comment
  RSA0010997  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1631 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA500132  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3678 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA395352  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA585647  Coreopsis californica var. californica D. L. Banks, Steve Boyd 1995-3-16 0083 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
  RSA762735  Corethrogyne filaginifolia Patrick Garrett, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 76 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA801945  Cornus sericea subsp. occidentalis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6175 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  UCR207549  Coronilla O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CLARK-A1528-5017  Cotula australis John C. Roos 1965-12-20 Riverside Riverside 243 Comment
  UCR171901  Crassula connata 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
  UCR260882  Crassula connata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41491 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  CAS-BOT-BC175815  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain. In [Tahquitch Canon] Tahquitz Canyon Comment
  CAS-BOT-BC175816  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Along road between Morongo Valley and Coachella Valley Comment
  UC1490304  Crossosoma bigelovii Rolf Y. Berg 1980-4-2 Riverside Whitewater Canyon; ca 2.5 mi from mouth Comment
  UCR89665  Crossosoma bigelovii Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  RSA480574  Croton californicus M. B. Dunkle 1933-3-4 3060 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA594005  Croton californicus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 A 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
  SD230228  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 1111, 1 km northwest of Palm Slprings (measured from the intersection with San Rafael Dr.) south of the highway. 214 Comment
  SD236275  Croton californicus A. C. Sanders, Mike Misenhelter 2008-6-10 35447 Riverside San Bernardino Valley: Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel. 231 Comment
  UCD141982  Croton californicus Marian L. Vincent; Richard H. Swade 1963-10-19 465 Riverside Snow Creek Road; 2 miles from its intersection with California State Hwy.111. 365 Comment
  IRVC28961  Cryptantha Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9026 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  UC1539722  Cryptantha angustifolia Chas. B. Fiker 1946-4-17 3417 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UCR104845  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR224440  Cryptantha angustifolia Dave Silverman 2010-3-30 7871 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  UCR247325  Cryptantha angustifolia David Fraker, Aaron C. Sedgwick 2012-3-22 10 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; south of Joshua Tree National Park on both sides of Hwy 177 [Desert Center-Rice Rd.], c. 5 miles north of Hwy I-10, c. 3 miles south of Desert Lily Sanctuary 183 Comment
  CHSC8299  Cryptantha barbigera Edward L. Smith 1958-3-21 374 Riverside Located 6 mi. s. of Rice, near Priest's Well. Little Santa Maria Mtns. 365 Comment
  RSA480006  Cryptantha barbigera Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2137 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  UCR6095  Cryptantha barbigera Barry A. Vittor 1966-3-11 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles NE of Salton Sea State Park 30 Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR137634  Cryptantha barbigera var. fergusoniae George K. Helmkamp 1998-2-5 2645 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR226581  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-18 15827 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR244395  Cryptantha barbigera var. fergusoniae Jim Andre 2012-4-16 20975 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR214707  Cryptantha costata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37524 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UCR256948  Cryptantha costata Duncan S. Bell 2012-4-5 3308 Riverside Sonoran (Colorado) Desert, Palen sand dunes on the southwest side of the Palen Mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley; c. 6.75 air miles directly north of Hell 141 Comment
  UCR276381  Cryptantha costata Jim Andre 2015-4-23 32749 Riverside Sonoran (Colorado) Desert, Rice Valley; along Rice-Midland Rd., 3.1 miles south of Hwy 62, eastern end of Arica Mountains 253 Comment
  GMDRC2328  Cryptantha decipiens J. Andre, T. La Doux 2006-4-11 8140 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along paved road through Wilson Canyon at Fried Liver Wash. Elev. 2814 ft. 858 Comment
  POM368272  Cryptantha decipiens Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA49393  Cryptantha dumetorum P. A. Munz 1949-4-11 13020 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA784959  Cryptantha holoptera Duncan S. Bell 2012-2-12 3117 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  HSC101202  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  RSA628464  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  UC402774  Cryptantha intermedia C. F. Baker 1903-4-5 4138 Riverside Hemet Comment
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Mar 24 2011
  UC78535  Cryptantha intermedia J. C. Nevin Riverside San Jacinto Mts. Comment
  UCR47759  Cryptantha intermedia F. R. Fosberg 1929-5-3 S- 01058 Riverside Peninsular Range, Temecula River, c. 10 mi above Temecula Comment
  UCR58484  Cryptantha intermedia Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  POM369474  Cryptantha maritima M. B. Dunkle 1932-3-25 2903 -b Riverside Near Cathedral Canyon 152 Comment
  RSA80738  Cryptantha maritima F. W. Peirson 1927-4-12 7172 Riverside Painted Canyon, near Mecca Comment
  VVC2476  Cryptantha maritima var. pilosa Tim Thomas 2013-3-18 5938 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UC551812  Cryptantha micrantha F. R. Fosberg 1932-3-13 10625 Riverside Thousand Palms Canyon Comment
  POM12804  Cryptantha micrantha var. lepida P. A. Munz 1922-6-26 5839 Riverside Santa Rosa Mtns. Santa Rosa [peak?] 1982 Comment
  POM318740  Cryptantha micrantha var. lepida Patricia Wilder 1968-7-5 4319 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  RSA608561  Cryptantha micrantha var. lepida R. S. Woglum 1941-6-12 3055 a Riverside Idyllwild Comment
  POM47458  Cryptantha micrantha var. micrantha Mary F. Spencer 1918-4-13 844 Riverside Palm Springs. 137 Comment
  UCR162961  Cryptantha microstachys S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  JEPS67735  Cryptantha muricata W. L. Jepson 1928-4-19 12429 Riverside n of Elsinore 609 Comment
  RSA585729  Cryptantha muricata D. L. Banks, S. D. Boyd 1995-5-9 391 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
  JOTR30307  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1740 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 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
  RSA0123086  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8969 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
  RSA0079492  Cryptantha pterocarya var. stenoloba Duncan S. Bell 2011-4-7 2177 A Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  RSA0121054  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-29 9116 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
  UC729878  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3078 Riverside summit San Jacinto Peak; San Jacinto Mts 3293 Comment
  UC28907  Cucurbita foetidissima Geo. R. Hall Sept. 1901 Riverside Riverside Comment
  RSA543156  Cucurbita palmata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6106 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
  RSA719238  Cucurbita palmata Michael Honer, L. Hulse 2004-4-3 1914 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
  RSA85825  Cupressus forbesii F. W. Peirson 1922-5-28 3058 Riverside Canyon floor in canyon east from Santa Ana River Canyon. at 400 ft. 121 Comment
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Feb 28 2013
  UC520001  Cuscuta subinclusa Joseph Andorfer Ewan 1932-7-9 7497 Riverside Santa Ana River at Chino Creek; Santa Ana River Comment
  SEINET8900302  Cylindropuntia californica var. parkeri Marc Baker 1986-8-31 7047 Riverside Aguanga: just north of the San Diego County line. Comment
  UCSB18434  Cylindropuntia ganderi del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.3 miles S of junction with State Highway 111 914 Comment
  JOTR32387  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR22187  Cynodon dactylon E. W. Lathrop 1959-4-26 4504 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  RSA597789  Cyperus involucratus Scott D. White 1996-3-31 3853 Riverside Bundy Canyon, SE of Lake Elsinore; ca 1 road mile (ca 0.2 mile) E of Bundy Canyon Road exit from Hwy I-15. 451 Comment
  UCR208341  Cyperus involucratus O. F. Clarke 2004-4-14 s.n. Riverside San Bernardino Valley Region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  UCR265057  Cyperus involucratus Mitch Provance 2012-11-9 612- 52 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  CSUSB1203  Dalea californica Margaret-Lee Dean 1965-4-15 Riverside 1 mile west of Indian Ave. on highway 60, north of Palm Springs. 213 Comment
  RSA0106713  Dalea mollis Duncan S. Bell 2011-9-30 2943 A Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  POM66988  Dalea mollissima Marcus E. Jones 1924-2-7 s.n Riverside Salton Sink near Oasis. Comment
  RSA404193  Dalea mollissima L. C. Wheeler 1931-11-26 391 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  JOTR36187  Dasyochloa pulchella La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3336 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  RSA129648  Dasyochloa pulchella H. S. Yates 1937-3-24 6454 Riverside Deep Canyon, Coachella Valley 457 Comment
  RSA158233  Datura wrightii David P. Gregory 1961-6-6 469 Riverside Growing along a back road through an orange grove near the Santa Ana River west of Prado Dam. Comment
  UC884535  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shafer Wells Comment
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Apr 24 2011
  SEINET7048151  Datura wrightii Steven R. Hill 2001-5-3 33652 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA487426  Daucus pusillus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR172282  Daucus pusillus 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
  UC2030092  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  UCR281840  Deinandra paniculata R. E. Riefner Jr. 2017-8-12 17- 385 Riverside Perris-Aguanga Basin, city of Temecula, along the levee of Murrieta Creek, north side of Diaz Road, at Remington Avenue 327 Comment
  RSA550040  Delphinium parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4667 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UCR158710  Delphinium parryi A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30007 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
  RSA0080671  Delphinium patens E. Crow 1929-4-7 307 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  CAS-BOT-BC82953  Dendromecon rigida P. A. Munz 1932-4-24 12392 Riverside Snow Creek Canyon San Jacinto Mountains. 457 Comment
  CAS-BOT-BC198169  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside 10 mi. NE of Murietta along roadside, Menifee Valley Comment
  CAS-BOT-BC198172  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop; O. Clark; S. Carlquist 1968-4-18 37430 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 670 Comment
  POM13163  Descurainia obtusa subsp. adenophora P. A. Munz 1922-6-30 5906 Riverside Santa Rosa, Santa Rosa Mtns. About deserted Indian village. 1982 Comment
  CAS-BOT-BC43353  Descurainia pinnata subsp. glabra L. R. Abrams 1926-3-26 11073 Riverside Palm Canyon. Comment
  RSA0123288  Descurainia pinnata subsp. glabra Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9001 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
  RSA0120624  Descurainia pinnata subsp. intermedia Duncan S. Bell, Thomas Stoughton 2016-3-15 8935 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  UCR113154  Dichelostemma capitatum A. C. Sanders 1998-3-11 21666 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  RSA613449  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Victor Steinmann 1997-3-13 1443 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA775809  Dichelostemma capitatum subsp. capitatum Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 889 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  CAS-BOT-BC292179  Dicoria canescens John C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  CAS-BOT-BC292189  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside Whitewater Wash along Snow Creek Road near State Highway 111 350 Comment
  SFV11885  Dicoria canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR92770  Dicoria canescens F. M. Reed 1928-2-15 5707 Riverside Sonoran (Colorado) Desert, west of Edom along the highway 213 Comment
  OBI36067  Dieteria canescens var. ziegleri J. Derby, T. Krantz 1977-10-1 s.n. Riverside Santa rosa Mt., along road to Santa Rosa summit 2073 Comment
  CHSC1758  Diplacus brevipes E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  CAS-BOT-BC152264  Diplacus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon, just south of Interstate 15 Comment
  RSA0016056  Diplacus fremontii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38096 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SD124542  Diplacus fremontii J. Sauer, Jan Devine 1980-5-17 6098 Riverside San Jacinto mountains; near Lake Fulmor Comment
  RSA0019415  Diplacus fremontii Noel Holmgren, Liew Fah Seong 1969-6-17 3580 Riverside San Jacinto Mountains, county road R1, at Black Mountain turnoff, 8.5 miles north of Idyllwild. Comment
  SD25160  Diplacus longiflorus Frank F. Gander 1939-5-14 7499 Riverside Banning Comment
  RSA0019303  Diplacus puniceus A. C. Sanders 2004-4-20 27534 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR182520  Diplotaxis tenuifolia Mitch Provance 1996-2-27 1075 Riverside Upper Santa Ana River Valley, Riverside, Hillside area, near Dewey St. 232 Comment
  UCR72465  Diplotaxis tenuifolia Michael A. Patten 1992-5-27 92- 20 Riverside Green River Golf Club, near San Bernardino and Orange county lines 131 Comment
  UCR207623  Distichlis spicata O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  RSA338322  Ditaxis lanceolata L. M. Shultz, John S. Shultz 1985-4-18 8327 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15). 610 Comment
  RSA676153  Ditaxis lanceolata Scott D. White 2001-4-3 8262 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA690981  Ditaxis lanceolata Scott D. White, Michael Honer 2003-5-14 9306 -B Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SEINET3004975  Ditaxis lanceolata G. Rink 2011-3-30 10401 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  JOTR32617  Ditaxis neomexicana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1634 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA690986  Ditaxis neomexicana Scott D. White, Michael Honer 2003-5-15 9309 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  RSA763984  Ditaxis neomexicana Justin M. Wood, D. M. Ray 2010-10-21 3001 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR244303  Ditaxis neomexicana Jim Andre 2012-4-15 20856 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA0014720  Dithyrea californica J. Andre 2013-3-27 24797 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UC472687  Dithyrea californica M. F. Spencer 1918-3-28 Riverside near Palm Springs; Colorado Desert 100 Comment
  UCR17077  Dithyrea californica James K. Ryan 1969-3-15 52 Riverside Sonoran (Colorado) Desert, Windy Point, off Hwy 111 between Banning and Palm Springs c. 8 mi NE of Palm Springs (only point where mtn ridge reaches hwy), Coachella Valley 152 Comment
  UC22357  Dodecatheon alpinum H. M. Hall 1897-8-11 801 Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
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Jun 8 2012
  CAS-BOT-BC129970  Dodecatheon redolens H. M. Hall 1901-7-1 2335 Riverside Vicinity of Deer Springs 2743 Comment
  RSA508242  Downingia cuspidata R. F. Thorne 1974-5-23 44682 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  POM259184  Draba saxosa P. A. Munz 1938-8-14 15391 Riverside East of Toro Peak, Santa Rosa mts. 2439 Comment
  POM13651  Drymocallis glandulosa var. glandulosa Philip A. Munz, I. M. Johnston 1922-5-21 5534 Riverside Hemet Valley, 1524 Comment
  POM188070  Drymocallis glandulosa var. glandulosa L. Crutcher 1933-7-1 17 Riverside Creek below Camp Tahquitz. Comment
  HSC35460  Dryopteris arguta J. D. Ackerman, A. M. Montalvo 1975-6-26 526 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  UCR3506  Dudleya lanceolata Frances Miller 1964-5-9 M- 6432 Riverside 20 ft below R.R. tracks, base of Box Springs Mtns., near end of Big Springs Rd. 381 Comment
  UCR43423  Dudleya saxosa B. G. Pitzer 1986-5-24 0251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  CAS-BOT-BC109649  Dudleya saxosa subsp. aloides D. W. Kyhos 1960-6-1 s.n. Riverside Bed of San Gorgonio River 2 miles north of Banning. Comment
  UCR34873  Dyssodia pentachaeta L. B. Ziegler 1966-6-15 060 Riverside San Jacinto Mountains, Pinyon Flats, N end on S slope of small hill c. 0.25 mi from old loading corral. 1250 Comment
  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
  RSA0125227  Echinocereus engelmannii var. engelmannii B. A. Prigge 1980-8-5 3860 Riverside Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
  CAS-BOT-BC197075  Echinochloa crus-galli S. B. Parish 1913-9-20 8618 Riverside Mecca, Salton Sink 57 Comment
  UCR92782  Echinochloa crus-galli Scott D. White 1995-7-7 4355 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR9300  Eclipta prostrata K. Black 1969-10-26 s.n. Riverside Santa Ana River bottom near the Van Buren Bridge Comment
  CAS-BOT-BC113604  Eleocharis acicularis Frederick Morris Reed 1908-7-12 2480 Riverside Lake Surprise, San Jacinto Mts. 2743 Comment
  UC838792  Eleocharis bella Philip A. Munz 1922-5-20 5472 Riverside Kenworthy San Jacinto Mountains 1432 Comment
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Mar 25 2011
  CAS-BOT-BC112919  Eleocharis macrostachya H. M. Hall; L. A. Greata 1905-4-1 5919 Riverside Colorado River bottoms. Comment
  SD186018  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd. 412 Comment
  UC489185  Eleocharis macrostachya C. V. Meyer 1928-7-30 580 Riverside Saunders Meadow Ssouthern California, San Jacinto Mountains 1676 Comment
  UCR275578  Eleocharis macrostachya T. B. Salvato, Jennifer Weiland 2005-6-13 605- 1 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA381084  Eleocharis montevidensis Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61177 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA760354  Eleocharis palustris Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55212 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
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Jul 19 2017
  RSA714377  Eleocharis parishii T. B. Salvato, John Green 2004-5-27 605 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR241485  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 237 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  SBBG59329  Elymus elymoides R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  OBI32773  Elymus glaucus E. W. Lathrop 1965-4-26 5689 Riverside 4 mi SE of Murrieta Comment
  RSA249846  Elymus glaucus subsp. glaucus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38111 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon 1677 Comment
  SD232144  Elymus trachycaulus Scott D. White, Justin M. Wood 2008-6-19 12273 Riverside San Jacinto mountains, Meadows at Baldy mountain 483 Comment
  UC37060  Elymus trachycaulus H. M. Hall July 1901 2569 Riverside Dark Canyon San Jacinto Mountains 2133 Comment
  CAS-BOT-BC204300  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1901-6-1 2174 Riverside San Jacinto Mountains. In the meadows of Thomas Valley 1371 Comment
  CLARK-A1528-4608  Elymus triticoides John C. Roos 1937-5-19 2062 Riverside Norco Comment
  UCR2372  Elymus triticoides F. M. Reed 1907-6-23 1445 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA682848  Emmenanthe penduliflora Scott D. White 2003-3-23 8841 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  JEPS34095  Encelia actoni Marjorie D. Clary 1932-5-12 1904 Riverside Lost Horse Canyon north Colorado Desert, Little San Bernardino Mountains, Lost 1066 Comment
  RSA713875  Encelia actoni Michael Wall 2006-6-6 419 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  CLARK-A1528-1806  Encelia californica John C. Roos 1952-4-16 5557 Riverside Box Springs Mountains 396 Comment
  CAS-BOT-BC131330  Encelia farinosa Ivan Johnston 1917-4-4 1112 Riverside Near Palm Springs 152 Comment
  UC1118066  Encelia farinosa A. Lewis Mar 1933 180 Riverside Rubidoux Mountain Riverside Quad., Rubidous Mountain 304 Comment
  UC1334659  Encelia farinosa Nancy Ryan Zabriskie 1969-4-1 173 Riverside near Palm Springs; Andreas Canyon 152 Comment
  UCD131206  Encelia farinosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCD20086  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -210 Riverside Growing at mouth of Whitewater Canyon, about 15 miles northwest of Palm Springs. Comment
  POM356681  Encelia farinosa var. farinosa D. A. Young 1969-3-21 308 Riverside 3 miles SE of Hwy 74 (8 miles S of Palm Desert) near the fence of the University of California. 366 Comment
  POM356686  Encelia farinosa var. farinosa B. C. Templeton 1930-4-9 1001 Riverside North of Palm Springs. Colorado desert 400 Comment
  RSA554022  Encelia farinosa var. farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA795739  Encelia frutescens Jim Andre 2012-3-18 21290 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  RSA336056  Ephedra aspera Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52061 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA383851  Ephedra aspera N. R. Zabriskie, W. M. Zabriskie 1972-3-28 480 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 610 Comment
  RSA597528  Ephedra aspera L. C. Wheeler 1956-2-24 7175 Riverside Pines to Palms Highway ca. 0.45 mi. downhill from 3000 ft. marker. Rocky east facing slope 915 Comment
  RSA703486  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -a Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  CAS-BOT-BC81539  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  LA81891  Ephedra californica Robert F. Thorne; 1964-5-3 33851 Riverside near hwy ca 4 mi. S of Morongo Valley and ca 3 mi. S of San Bernandino Co. line Comment
  RSA696370  Ephedra californica Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  SEINET3866930  Ephedra californica Howard C. Stutz 1979-12-31 8621 Riverside Palm Springs.; 0 Comment
  UCR260236  Ephedra californica A. C. Sanders, Jim Malusa 2015-3-9 41358 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 686 Comment
  UCR72190  Ephedra californica Theo Glenn 1991-5-2 91- 123 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  RSA678363  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  CAS-BOT-BC81859  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  SD27997  Ephedra trifurca Carl B. Wolf 1932-4-29 Riverside 3 miles south of Rice on Blythe Road 214 Comment
  UCR106734  Epilobium brachycarpum John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA413258  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. 355 Comment
  CAS-BOT-BC171741  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  UCR90591  Epilobium ciliatum Scott D. White 1995-6-29 3408 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  POM6841  Epipactis gigantea Philip A. Munz, L. T. Street 1919-5-7 2735 Riverside Tahquitz Canyon, San Jacinto Mountains 244 Comment
  RSA324165  Epipactis gigantea George Henry Grinnell 1921-5-20 s.n. Riverside Riverside. Comment
  UC4487  Epipactis gigantea Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC4492  Epipactis gigantea H. M. Hall July, 1901 2370 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1645 Comment
  UC218660  Equisetum laevigatum P. A. Munz and I. M. Johnston 1922-5-21 5515 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  UCR265591  Eragrostis cilianensis Jordan Zylstra 2014-7-6 14017 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  CLARK-A1528-60  Eragrostis diffusa Fred B. Essig 1966-9-6 Riverside Riverside Comment
  UCR2396  Eragrostis pectinacea var. pectinacea F. M. Reed 1906-7-7 1122 Riverside Riverside, Chicago Ave. and Blaine St 287 Comment
  CHSC1041  Eremalche rotundifolia V. Holt 1935-4-16 Riverside E. Colorado Desert. Comment
  RSA777539  Eremalche rotundifolia Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 899 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UC1168715  Eremalche rotundifolia Peter H. Raven 1958-2-15 11567 Riverside Corn Springs Chuckwalla Mts., Corn Springs Comment
  UC68596  Eremalche rotundifolia H. M. Hall Apr, 1905 5793 Riverside 8 mi. w. Coachella; Colorado Desert 60 Comment
  CHSC109246  Eremogone macradenia var. macradenia Scott D. White; Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). Meadow and adjacent uplands. 1390 Comment
  RSA0105499  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC514304  Eriastrum densifolium subsp. austromontanum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JOTR31166  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SD258993  Eriastrum eremicum subsp. eremicum Sarah J. De Groot 2005-5-16 4967 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through bajada of Little San Bernardino Mountains. 495 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
  UCR277789  Eriastrum eremicum subsp. eremicum Sarah J. De Groot 2005-5-16 4967 Riverside Litle San Bernardino Mountains, Desert Hot Springs area, vicinity of Morongo Creek. Along Worsley Rod paralleling Hwy 62 between Dillon Road and Indian Avenue 495 Comment
  CAS-BOT-BC514465  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5956 Riverside Pinto Basin Comment
  CAS-BOT-BC514466  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway 243 Comment
  CAS-BOT-BC514474  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-5-23 2219 Riverside 4 mi NE of Cottonwood Spring, Colorado Desert 1112 Comment
  RSA0120072  Eriastrum eremicum subsp. eremicum P. A. Munz, R. D. Harwood 1920-4-4 3526 Riverside Pass south of Palm Springs. 152 Comment
  RSA0120079  Eriastrum eremicum subsp. eremicum R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55433 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UC455634  Eriastrum sapphirinum I. J. Condit 1910-6-24 Riverside lower slopes and in canyon San Jacinto Mts. Comment
  UC52480  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside San Jacinto Mountains 1584 Comment
  UCR112491  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2000-5-30 23441 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  JEPS69085  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1923-6-14 7103 Riverside East or Glen Ivy Hot Springs side Santa Ana Mts., Santiago Peak 914 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
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR34965  Ericameria linearifolia L. B. Ziegler 1968-4-16 275 Riverside San Jacinto Mtns, W slope of mtns at Dry Creek & Hwy 74 1067 Comment
  CDA4604  Ericameria palmeri var. pachylepis T. C. Fuller 1961-10-18 7159 Riverside Santa Ana River Canyon, Green River Station, 0.5 mile west of Prado Dam Road, on Highway 91. 0 Comment
  RSA675712  Ericameria palmeri var. pachylepis Scott D. White 2000-10-20 8137 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  RSA221018  Ericameria parishii E. W. Lathrop 1966-3-30 6119 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  SD229094  Ericameria pinifolia Dick Schwenkmeyer 2012-3-26 665 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  CLARK-A1528-1824  Erigeron foliosus John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  POM3885  Eriodictyon crassifolium Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mts. Comment
  RSA456545  Eriodictyon crassifolium L. B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch, Hemet Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC189122  Eriodictyon crassifolium var. crassifolium H. M. Hall 1901-6-1 2006 Riverside Western Base Comment
  SEINET7048168  Eriodictyon crassifolium var. crassifolium Steven R. Hill 2001-5-3 33674 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA783130  Eriogonum J. D. Olmsted 1959-9-23 1005 Riverside Hemet-Idyllwild road above Mt. Center and garbage pit where road from Saunder's Mdws. comes along stream draining DSS pond 1524 Comment
  UCR193731  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35649 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC248619  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SDSU5921  Eriogonum apiculatum F. Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  UC489082  Eriogonum apiculatum C. V. Meyer 1928-7-26 527 Riverside San Jacinto Mt. 2072 Comment
Read comments
Nov 12 2011
  UCR146124  Eriogonum apiculatum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains, East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  SEINET7064411  Eriogonum cithariforme var. cithariforme A. G. Vestal 1963-5-19 s.n. Riverside Ca. 0.5 mile west of Cahuilla. (NAD83/WGS84). UTM Zone 11, 522925mE, 3711215mN. 1091 Comment
  UCR262263  Eriogonum davidsonii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3741 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
  UCR74368  Eriogonum deflexum Theo Glenn 1991-4-30 91- 57 Riverside Sonoran (Colorado) Desert, McCoy Mtns., NW of Blythe 170 Comment
  CAS-BOT-BC256130  Eriogonum deflexum var. deflexum Howard Scott Gentry 1936-11-1 2968 Riverside West side of Colorado Desert 152 Comment
  RSA517915  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1333 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  RSA772961  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4771 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA33599  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-5-19 1296 Riverside Banning. 701 Comment
  UC75787  Eriogonum fasciculatum var. foliolosum Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR260541  Eriogonum fasciculatum var. foliolosum T. B. Salvato 2014-5-29 8040 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR93086  Eriogonum fasciculatum var. foliolosum A. C. Sanders, S. Ogg 1994-7-28 15190 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  POM9567  Eriogonum fasciculatum var. foliolosum P. A. Munz, Harwood 1920-2-28 3257 Riverside 3 mi W. of Corona. 335 Comment
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  UCR162622  Eriogonum gracile S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  RSA1557  Eriogonum gracile var. gracile J. T. Howell 1928-7-9 1063 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA518778  Eriogonum gracile var. gracile Scott D. White 1990-10-23 s.n. Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd. 488 Comment
  RSA0103443  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8561 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  UCR69795  Eriogonum gracile var. incultum A. C. Sanders, Chet McGaugh 1991-7-19 11140 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA759116  Eriogonum gracile var. incultum Robt. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside South Main Divide Road, 4.7 road mi. SE of junction with Ortega Hwy (SR74). Just S of the gated entrances to Rancho Capistrano housing developments. 938 Comment
  POM46950  Eriogonum inflatum var. deflatum Mary F. Spencer 1918-4-13 906 Riverside Palm Springs. 152 Comment
  UC412857  Eriogonum inflatum var. deflatum Mrs. F. Stephens 1902-8-20 Riverside Chuckwalla Mts. Comment
  UC849551  Eriogonum inflatum var. inflatum I. W. Clokey, B. C. Templeton 1930-4-9 4683 Riverside n Palm Springs; Colorado Desert 170 Comment
  CAS-BOT-BC263116  Eriogonum maculatum H. M. Hall 1899-6-1 1268 Riverside San Antonio Mountains. North side 1828 Comment
  RSA761996  Eriogonum nudum var. pauciflorum Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA160411  Eriogonum parishii J. D. Olmsted 1959-9-23 1001 Riverside N Fork San Jacinto River drainage area: Flat on NW side of Idyllwild Banning Rd. halfway up grade south of Dark Canyon Creek crossing 1799 Comment
  CHSC26395  Eriogonum pusillum Dieter H. Wilken; Gary D. Wallace 1966-3-4 673 Riverside Base of the Little San Bernardino Mtsn. west of Indio along the Dillon Rd. 304 Comment
  JOTR29564  Eriogonum pusillum Andre, Jim, Tasha LaDoux 2006-4-11 6738 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  JOTR33762  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2760 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  JEPS56499  Eriogonum reniforme W. L. Jepson 1928-4-25 12629 Riverside Pinto Basin Mohave Desert, Virginia Dale region, Pinto Basin 822 Comment
Read comments
Oct 28 2011
  UC185100  Eriogonum reniforme S. B. and W. F. Parish Apr 1882 Riverside Agua Caliente Comment
  JOTR35200  Eriogonum thomasii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3256 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  UC665902  Eriogonum thomasii Ira L. Wiggins 1941-3-27 9679 Riverside s end of Coxcomb Mountains 8 mi ne Desert Center; Coxcomb Mountains Comment
  UCR251904  Eriogonum thomasii Jim Andre 2013-3-27 24828 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UC1922708  Eriogonum thomasii Michael Honer with L. Hulse 2004-4-2 1878 Riverside Colorado Desert; Little San Bernardino Mountains region: East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. Comment
  POM47236  Eriogonum thurberi Mary F. Spencer 1920-4-6 s.n. Riverside Palm Springs. 122 Comment
  JOTR29308  Eriogonum trichopes La Doux, Tasha, Mike Bell 2006-5-17 1385 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC666509  Eriogonum trichopes Annie M. Alexander and Louise Kellogg 1941-5-28 2262 Riverside Metropolitan Aqueduct Road e Hayfield Comment
  CLARK-A1528-3723  Eriogonum wrightii John C. Roos 1967-10-28 Riverside Whitewater 426 Comment
  RSA520083  Eriogonum wrightii var. membranaceum Steve Boyd, Dave Bramlet 1988-10-8 2866 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  CLARK-A1528-1249  Erioneuron pulchellum John C. Roos 10/251946 3146 Riverside Chuckwalla Mountains 365 Comment
  CAS-BOT-BC297347  Eriophyllum confertiflorum A. C. Sanders; Kerry Knudsen; T. B. Salvato 2004-5-18 27906 Riverside Peninsular Ranges: Alberhill Mt 445 Comment
  POM182206  Eriophyllum confertiflorum P. A. Munz 1932-4-24 12391 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  JOTR30220  Eriophyllum confertiflorum var. confertiflorum Leary, C. and Leary, Pat 1979-5-5 2993 Riverside Joshua Tree National Park. Common on a west facing slope above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. Comment
  CAS-BOT-BC301798  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  POM13860  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Sedco Station, Temescal Canyon Comment
  UCR136250  Erodium brachycarpum A. C. Sanders 2004-4-20 27571 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
  CDA4668  Erodium cicutarium T. C. Fuller 1963-4-23 10296 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  UCR101101  Erodium macrophyllum Jack Easton 1998-4-16 s.n. Riverside Murrieta region, 'The Willows', a development c. 1 mi. SW of Skunk Hollow, Santa Gertrudis Creek drainage. 366 Comment
  UCR139195  Erodium moschatum Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  RSA700097  Erodium moschatum Virginia Moran 2003-4-2 s.n. Riverside Collected from Warm Springs Preserve, managed by the Center for Natural Lands Management. Located approximately 8 km. north of Temecula, approximately 3 km. northeast of the end of Hunter Road. Comment
  POM14911  Erodium texanum Mary F. Spencer 1922-3-28 504 Riverside Mecca ?. -49 Comment
  RSA530311  Erysimum capitatum var. capitatum M. B. Dunkle 1933-7-19 3681 Riverside Tahquitz Peak. San Jacinto Mts. 2651 Comment
  RSA0016060  Erythranthe breweri N. C. Cooper 1944-7-16 1567 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  RSA0020088  Erythranthe floribunda Scott D. White 1999-6-6 7441 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA0015892  Erythranthe moschata F. W. Peirson 1924-7-28 5007 Riverside Pine Flats Camp 1799 Comment
  GMDRC7794  Eschscholzia androuxii J. M. Andre 2015-3-6 33562 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 561 Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  RSA433640  Eschscholzia caespitosa subsp. caespitosa D. A. Young 1969-3-28 P 394 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  SD137695  Eschscholzia californica Darin L. Banks, Steve Boyd 1995-5-3 244 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 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
  SBBG23074  Eschscholzia minutiflora D. Myrick 1965-3-4 1074 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  RSA445444  Eschscholzia minutiflora var. darwinensis N. C. Cooper 1949-4-8 3251 Riverside Mecca Pass east of Indio. 610 Comment
  RSA0023220  Eschscholzia papastillii Robert F. Thorne 1963-3-29 32369 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  CAS-BOT-BC419619  Eschscholzia parishii Ynez Whilton Winblad 1937-3-22 s.n. Riverside Near Mecca Comment
  JEPS51818  Eschscholzia parishii S. B. Parish 1920-3-25 20027 Riverside Palm Springs Colorado Desert Comment
  UC1080223  Eschscholzia parishii P. C. Everett and E. K. Balls 1958-5-7 23114 Riverside Joshua Tree National Monument; s end 1066 Comment
  SEINET10871889  Eschscholzia parishii Noel H. Holmgren, Patricia K. Holmgren 1974-3-23 Holmgren 7466 Riverside Box canyon wash, 11.4 mi e-ne of mecca. T6s. R10e. Sec 35. Common in wash. 244 Comment
  CHSC98094  Eucalyptus A. C. Sanders 1988-5-29 7878 B Riverside University of California, Riverside. Botanic Garden. Australian Section, gred cell P-5 (near O-4). 366 Comment
  CHSC98207  Eucalyptus A. C. Sanders 1992-3-1 12039 Riverside University of California, Riverside. Australian section of UCR Botanical Garden. Grid Cell R-3. UCR BG Ass. # unknown, label lost. #121A on Kucera/Morgan temp. Aust. sect. map. NW edge of trail. 366 Comment
  RSA0010829  Eucalyptus Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  HSC85458  Eucrypta chrysanthemifolia Steve Boyd 1986-4-2 1602 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR279411  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-25 42999 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
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  LA204660  Euonymus occidentalis var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside N fork, San Jacinto River Comment
  UCR240520  Euphorbia abramsiana Tim Thomas, Alice Karl 2011-10-18 5526 Riverside Sonoran (Colorado) Desert, Hayfield Lake, 4 mi east of Chiriaco Summit, just north of Hwy I-10, northwest portion of lake be 437 Comment
  UCR176691  Euphorbia albomarginata R. D. Goeden, Don W. Ricker 1965-6-24 s.n. Riverside Riverside, east of Gage Canal near end of Massachusetts Ave. 320 Comment
  RSA716065  Euphorbia lathyris Scott D. White, Justin M. Wood 2006-9-13 11644 Riverside Perris Basin/San Jacinto Mtn Foothills: Gibbel Flat in the Santa Rosa Hills 610 Comment
  JEPS51904  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1307 Riverside Strawberry Valley; Mt. San Jacinto Comment
  RSA0119995  Euphorbia pediculifera Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9086 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA589758  Euphorbia polycarpa V. W. Steinmann, D. L. Banks 1996-4-20 845 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, just south of the summer cottage along the trail to the water treatment facility. 450 Comment
  UCR183013  Euphorbia polycarpa Mitch Provance 2003-5-5 4422 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR214124  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37732 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UC1922388  Euphorbia setiloba Michael Honer with L. Hulse 2004-4-3 1910 Riverside Colorado Desert; Little San Bernardino Mountains Region: Rockhouse Canyon, approx. 2 mi N of intersection with Fargo Canyon. Comment
  UCR163869  Euphorbia setiloba B. G. Pitzer 2000-11-4 4244 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR28986  Euphorbia setiloba A. C. Sanders 1982-12-19 3452 B Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  UCR5297  Euphorbia setiloba O. F. Clarke 1966-10-5 661005- 04 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  SD247415  Euphorbiaceae O. F. Clarke 2004-3-19 Riverside Peninsular Range: Riverside; UCR Botanical Garden (Riverside East 7.5'Q) 340 Comment
  SD143859  Eustoma exaltatum A. C. Sanders, C. L. Sanders, S. White 1994-10-9 15811 Riverside San Bernardino Mountains:Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell, in wet soil near spring 550 Comment
  POM258736  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside between Hayfields Reservoir and Desert Center. Indio-Blythe Highway. Comment
  RSA11580  Fagonia laevis N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  RSA391194  Fagonia laevis Robert Gustafson 1980-4-3 1522 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UCR112103  Fagonia laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23354 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR233184A  Fagonia laevis Jim Andre, Glenn L. Clifton 2011-2-22 17421 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCR90301  Fagonia laevis F. M. Reed 1920-3-25 4271 Riverside Sonoran (Colorado) Desert, Near Indian Wells Comment
  UCR121665  Fatoua villosa A. C. Sanders, T. B. Salvato 2001-10-8 24878 Riverside Santa Ana River Valley Region, Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E Campus Dr., just north of the reservoir 351 Comment
  UCSB4264  Ferocactus cylindraceus Gray, Caroline 1956-4-14 Riverside Devil's Garden; 3 mi. off Highway 99 Comment
  UCR19356  Festuca grayi John C. Roos 1952-4-2 5463 Riverside Riverside, near Box Springs 457 Comment
  UCR105434  Festuca microstachys A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20636 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
  UCR241680  Festuca microstachys var. pauciflora T. B. Salvato 2013-3-22 7397 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR156298  Festuca myuros T. B. Salvato, Kent Beaman 2005-5-16 831 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
  VVC562  Festuca octoflora A. C. Sanders 1995-3-12 16089 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR260593  Ficus carica A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41553 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  RSA272184  Filago californica C. W. Tilforth 1978-4-30 1581 b Riverside Low, rounded hills east of Norco Comment
  RSA314664  Filago californica R. F. Thorne, Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55488 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR214144  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37725 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  CDA5872  Flaveria trinervia C. E. Pratt 1961-8-29 Riverside S.L. Graves property, 154 West Avenue L , Calimesa. 0 Comment
  CAS-BOT-BC384198  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 290 Riverside About 50' SW of #291 (female). About 1/2 mi. up canyon east of turnout parking area 1/2 mi. up Santa Rosa Mt. Rd. from Hwy. 74. Santa Rosa Mountains 1371 Comment
  CAS-BOT-BC223601  Fouquieria splendens subsp. splendens Roxana S. Ferris 1918-6-15 992 Riverside 2 miles east of Shavers Well Comment
  JEPS45714  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts., Colorado River Comment
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Nov 9 2014
  RSA0018443  Fragaria vesca M. B. Dunkle 1933-7-20 3707 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM13788  Fraxinus dipetala P. A. Munz, I. M. Johnston 1922-5-5 5149 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  UC1929896  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  RSA192339  Fraxinus velutina var. coriacea E. W. Lathrop 1966-3-2 6048 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  RSA24174  Fraxinus velutina var. coriacea Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts, Penrod Canyon, SE of Kenworthy Guard Station. 1524 Comment
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Oct 27 2008
  RSA771883  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  UCR67352  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4064 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  UCR240767  Fumaria officinalis O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA712545  Funastrum cynanchoides var. cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  RSA494647  Funastrum cynanchoides var. hartwegii B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  RSA458582  Funastrum hirtellum T. S. Clare 1930-4-13 s.n. Riverside Thousand Palms. Colorado desert. Comment
  POM307260  Galium andrewsii subsp. andrewsii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2126 Riverside Santa Rosa Mountains. Comment
  VVC459  Galium angustifolium A. C. Sanders, J. Mac 1997-5-4 20665 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UC28168  Galium angustifolium subsp. angustifolium H. M. Hall 1899-6-1 Riverside near Temecula Comment
  RSA689703  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1696 b Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  RSA701505  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1297 Riverside Along Chimeny Flats Road (5S06) near intersection with Red Hill Road (5S10), on the way to Alvin Meadows. 1463 Comment
  JEPS15258  Galium nuttallii subsp. nuttallii L. T. Dempster with R. Bacigalupi and G. T. Robbins 1956-6-21 1019 Riverside grade s Temecula; grade s of Temecula Comment
  SDSU13926  Galium porrigens var. porrigens Michael G. Simpson, Kim O'Connor 2000-4-29 2071 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UC1979634  Galium porrigens var. porrigens D. L Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  POM15038  Galium stellatum Mary F. Spencer 1922-4-3 589 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert. 213 Comment
  POM367817  Galium stellatum H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  UCR261967  Garrya flavescens Tom Scott 2011-1 2011- 571 .7 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 6.5 miles up canyon 1492 Comment
  CAS-BOT-BC192125  Garrya fremontii H. M. Hall 1901-7-1 2452 Riverside Tahquitz [Tanquitz] Valley, San Jacinto Mt. 2133 Comment
  RSA559952  Gastridium phleoides Steve Boyd, Orlando Mistretta 1992-4-23 7063 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCR92696  Gazania linearis A. C. Sanders 1996-4-12 18027 Riverside Moreno Valley: old field/vacant lot on W side of Frederic St. between Eucalyptus and Myers 494 Comment
  POM30733  Geraea canescens W. G. Wright s.n. Riverside Agua Caliente (Palm Spring), Colorado Desert. Comment
  RSA105932  Geraea canescens Richard Mallory 1955-4-6 476 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  SFV17346  Geraea canescens J. D. Dilley, J. N. Hogue 1998-4-24 281 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash on Corn Springs Road, 1 mile southwest of Interstate Highway 10. 274 Comment
  RSA0127783  Geraea canescens G. Rink 2013-3-17 11863 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  RSA5235  Geranium richardsonii Carl B. Wolf 1932-8-5 3959 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  POM250437  Gilia angelensis I. W. Clokey, B. C. Templeton 1930-4-9 s.n. Riverside North of Banning. 1100 Comment
  RSA563887  Gilia angelensis Scott D. White 1993-4-20 1217 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  JEPS86052  Gilia australis W. L. Jepson 1928-4-19 12434 Riverside 5 mi northerly Elsinore; northerly of Elsinore Comment
  SEINET6046694  Gilia capitata Unknown 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. Roadside. Comment
  UCR26282  Gilia capitata subsp. abrotanifolia John C. Roos, L. Roos 1952-4-27 5585 Riverside San Timoteo Canyon, south of Redlands 427 Comment
  RSA771781  Gilia modocensis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -b Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  CAS-BOT-BC407619  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside Temecula Canyon, 1 mile S of Temecula Comment
  RSA0016238  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4728 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG101670  Gilia ochroleuca subsp. exilis S. Boyd 1991-5-20 6278 Riverside NW of Lake Elsinore; lower Rice Cyn 0.5 mi E of Cleveland Nat Forest boundary 518 Comment
  UCD117882  Gilia scopulorum C. W. Tilforth 1973-4-29 779 Riverside 9 miles south of bridge at base of Seven Level Hill, south of Palm Desert, Highway 74. Comment
  UCR80824  Gilia splendens Scott D. White 1993-5-29 1466 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  JOTR30655  Gilia stellata La Doux, Tasha, Jim Andre 2008-3-21 150 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  JOTR30802  Gilia stellata La Doux, Tasha 2008-3-10 1823 Riverside Joshua Tree National Park. Northwest end of Eagle Mountains, near road to Cottonwood Canyon 898 Comment
  RSA0105292  Gilia stellata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7755 Riverside Morongo Canyon Preserve; collecting in side canyon off of Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 777 Comment
  RSA23227  Gilia stellata Ernest Braunton 1940-4-3 2018 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA767450  Gilia stellata J. Andre, T. La Doux 2009-3-10 11253 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  UCR162851  Gilia stellata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 239 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, W edge of main canyon near the BLM gate 534 Comment
  UCR50577  Gilia stellata B. G. Pitzer 1988-3-10 0660 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  JOTR00893  Gilia stellata Sipe, Frank 1958-3-10 266 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA725967  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns.: Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. 1220 Comment
  POM48365  Glyceria striata P. A. Munz, I. M. Johnston 1924-7-27 8784 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA0060583  Gnaphalium californicum Bob Rogers 1984-4-14 8 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  RSA314478  Gnaphalium luteoalbum R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55375 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR101368  Gnaphalium palustre A. C. Sanders, K. C. Rose 1998-9-29 22245 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR174347  Gnaphalium palustre A. C. Sanders 2006-5-19 32402 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
  JOTR01043  Guillenia lasiophylla Cole, James E. 1941-4-10 518 Riverside Joshua Tree National Park. TWIN TANKS Comment
  HSC5732  Gutierrezia californica C. L. Hitchcock, C. V. Muhlick 1964-3-17 23084 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA486456  Gutierrezia sarothrae Richard Noyes, L. Arnseth 1988-10-30 760 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA561421  Gutierrezia sarothrae Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7688 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR18660  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon, Haas Ranch 457 Comment
  RSA0066621  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SBBG120608  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  UCR217545  Harpagonella palmeri Diane Menuz 2008-4-9 399 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  RSA0066626  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  SDSU17493  Hedypnois cretica Jerry Jenkins 2001-3-31 2001 -015 Riverside Santa Margarita Ecological Reserve. Edge of avacado grove west of station and just above river. UTM zone 6, 481900E, 3699200N. UTM transfered to GIS. Comment
  JEPS35425  Helenium bigelovii Carl V. Meyer 1928-7-26 531 Riverside w side trail from Idyllwild to San Jacinto Peak (above Roach Sawmill) 2743 Comment
  RSA648739  Helianthemum scoparium var. scoparium J. C. Roos 1941-2-1 226 a Riverside south of thePlateau, Reche Canyon. Comment
  CDA6474  Helianthus gracilentus F. J. Willmarth 1961-5-26 Riverside Along Cherry Ave, north of Cherry Valley, Beaumont District. 0 Comment
  UCR133359  Helianthus gracilentus Tracy Tennant, J. S. Ross 1998-4-30 MOR- 63 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
  UCSB7391  Helminthotheca echioides Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute 213 Comment
  RSA0036782  Hemizonia fasciculata Andrew Haimov, April Sleigh 1992-5-7 82 Riverside East side of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA343882  Hemizonia fasciculata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60655 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  RSA688832  Hemizonia kelloggii Scott D. White, Michael Honer 2003-4-9 8994 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  IRVC29264  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Moreno Valley 534 Comment
  RSA663305  Hemizonia paniculata Mitch Provance 1998-3-6 702 Riverside Jurupa Mountains: Glen Avon Hts., Boulder Park, 0.7 km W of Pyrite St.on the N side of Granite Hill Dr. 305 Comment
  RSA674810  Hemizonia paniculata Scott D. White 2001-6-29 8629 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  RSA689385  Hemizonia paniculata Scott D. White 2003-6-9 9522 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR134656  Hemizonia paniculata Mitch Provance 1998-4-10 413 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR58479  Hemizonia paniculata S. J. Myers, D. Mitchell 1989-9-29 s.n. Riverside Peninsular Range, Hemet area, SE corner of Lakeview Mtns., [near] Hwy 74, 0.75 mi west of California Ave. 470 Comment
  RSA628429  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR130514  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 248 Riverside Elsinore Trough, back basin of Lake Elsinore, south of Lake Elsinore inlet and west of Diamond Stadium off Pete Lehr Drive 384 Comment
  UCR177722  Hemizonia pungens subsp. laevis Michael Wall 1996-7-6 146 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  UCR181160  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR230594  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  SBBG25149  Hesperocallis undulata Leota Davidson 1966-4-3 235 Riverside ca. 3 mi off Interstate 10 on Wyley Wells Rd, ca. 31 mi E of Desert Center, Chuckawalla Mts Comment
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Jul 1 2016
  UC69218  Hesperocallis undulata E. E. Schellenger Apr. 1905 Riverside Colorado Desert, Santa Maria Mountains Colorado Desert; , Santa Maria Mountains Comment
  CAS-BOT-BC434234  Hesperoyucca whipplei Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 41 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Hathaway Canyon. 884 Comment
  UCR193297  Heterocodon rariflorum A. C. Sanders, Tim Thomas 2008-6-20 35545 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR260526  Heteromeles arbutifolia T. B. Salvato 2014-5-29 8044 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR51858  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range, Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek 366 Comment
  CAS-BOT-BC176955  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  CAS-BOT-BC310923  Heterotheca villosa J. C. Roos 1965-9-16 s.n. Riverside On State St. near Florida St., Hemet Comment
  CAS-BOT-BC203353  Hibiscus denudatus Peter H. Raven 1958-1-24 11459 Riverside Fargo Canyon Comment
  UCR180226  Hibiscus denudatus Scott D. White, Pam Devries 2006-3-14 11252 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR241550  Hibiscus denudatus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40636 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 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
  UCR239242  Hilaria rigida Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 166 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  UC862203  Hoffmannseggia I. W. Clokey 1935-4-17 6717 Riverside Shafer Wells Comment
  POM193292  Hoffmannseggia glauca Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  UCR274853  Hoffmannseggia glauca April Garbat, Sarah J. De Groot 2013-4-30 058 Riverside Sonoran (Colorado) Desert, Ford Dry Lake, north of Hwy I-10 122 Comment
  RSA698741  Hoffmannseggia microphylla W. Marquart 1938-3-12 s.n. Riverside 15 mi. W of Blythe. Comment
  SD123998  Hoffmannseggia microphylla C. W. Tilforth 1976-7-21 1221 Riverside Colorado Desert, Painted Canyon NE of Mecca Comment
  UCR133950  Holocarpha virgata subsp. elongata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR141247  Holocarpha virgata subsp. elongata A. C. Sanders, Kelly Volansky 2004-10-6 28810 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  RSA515318  Hordeum depressum Jeri Hirshberg 1989-4-19 s.n. Riverside South of town of Murrieta, W of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W) 610 Comment
  SEINET13276723 Image available Hordeum depressum Mitch Provance, Matt Amalong 2015-1 415 -13 Riverside Temecula/Murrieta Region: About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. (Winchester 7.5' Q.) 438 Comment
  SEINET13386937 Image available Hordeum depressum Mitch Provance, Matt Amalong 2015-1 415 -13 Riverside Temecula/Murrieta Region: About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. (Winchester 7.5' Q.) 438 Comment
  RSA601787  Hordeum intercedens D. E. Bramlet 1997-3-13 2497 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  UCR201820  Hordeum intercedens Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR75532  Hordeum marinum subsp. gussoneanum A. C. Sanders 1993-5-12 14002 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR182376  Hordeum murinum Andrea Salzman, Carlos Navarro 2006-5-9 97 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 436 Comment
  POM295696  Hordeum murinum subsp. glaucum Lyman Benson 1932-3-26 3167 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
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Dec 4 2011
  RSA314629  Hordeum murinum subsp. leporinum R. F. Thorne, Drs Fosberg, Sachet, Herbst 1983-4-23 55420 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SDSU13568  Hordeum vulgare var. trifurcatum W. Miller 1972-7-12 Riverside x Comment
  CAS-BOT-BC148560  Horkelia clevelandii Mary F. Spencer 1919-6-19 1202 Riverside Idyllwild, San Jacinto Mts. 1645 Comment
  SJSU1908  Horsfordia newberryi R. L. Fisher 1957-4-20 Riverside near Indio Comment
  CAS-BOT-BC201091  Hosackia crassifolia Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  HSC86248  Hosackia crassifolia Jane Hildreth 1981-6-4 25 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  RSA125315  Hulsea vestita subsp. callicarpha R. Weatherby 1949-6-6 637 Riverside Santa Rosa Mountain. 1982 Comment
  UC32859  Hulsea vestita subsp. callicarpha H. M. Hall Jun 1 1901-Jul 1 1901 2313 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  CLARK-A1528-1959  Hymenoclea salsola John C. Roos 1947-2-15 3246 Riverside Eagle Mountains Comment
  RSA650958  Hymenoclea salsola Marion P. Harthill 1973-2-17 1564 Riverside W. Palm Springs. 366 Comment
  RSA93950  Hymenoclea salsola Margaret Stason, F. Brubaker 1928-3-3 7697 Riverside Hidden Spring Canyon near Mecca. Comment
  SEINET2055704 Image available Hymenoxys cooperi P. Leary 1975-6-6 1267 Riverside 1/4 mile E of the shaft in Johnny Long Canyon, Joshua Tree National Monument 1310 Comment
  RSA388391  Hypericum perforatum R. F. Thorne 1985-7-18 60067 Riverside Santa Rosa Plateau: Upper Clinton Keith Road 488 Comment
  OBI13685  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  RSA420175  Hyptis emoryi E. Crow 1929-2-24 177 Riverside Andreas Mesa, SW Palm Springs. Colorado Desert. Comment
  SEINET2065619 Image available Hyptis emoryi E. R. Blakley 1962-11-25 5483 Riverside 5 mi W of Blyth on US 60 & 70 121 Comment
  SEINET10498868  Hyptis emoryi Noel H. Holmgren 1973-3-21 Holmgren 6421 Riverside Big maria mtns, 12 m n of downtown blythe. T4s,r22e,sec 35. Common in wash bottom with paloverde. Shrub up to 6 ft tall. 290 Comment
  CAS-BOT-BC311606  Isocoma acradenia var. eremophila W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] Comment
  CDA32895  Isocoma menziesii var. menziesii Mike Lahti 2009-10-25 PDR# 1501843 Riverside On banks of Temecula Creek, near downtown Temecula. 0 Comment
  RSA697316  Isomeris arborea Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  UC1463089  Isomeris arborea Arthur S. Barclay and Juan Arguelles 1965-3-4 1797 Riverside 4 mi n State Highway 79 junction with State Highway 71 (along State Highway 79) Comment
  RSA736259  Iva axillaris subsp. robustior Scott D. White, Justin M. Wood 2008-4-3 11792 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  UC2062455  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7433 Riverside S side Tahquitz Peak, San Jacinto Mountains. Comment
  JOTR30787  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
  POM115620  Ivesia saxosa A. M. Alexander, Louise Kellogg 1941-5-6 2125 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  CLARK-A1045-339  Jepsonia parryi George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  UCR209201  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UC1787289  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside San Bernardino Mountains; Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 792 Comment
  POM1559  Juncus acutus subsp. leopoldii I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert. Palm Canyon. 244 Comment
  RSA386938  Juncus bufonius K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 913 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR117312  Juncus bufonius A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 735 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR164299  Juncus bufonius S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  POM14371  Juncus bufonius var. occidentalis Phillip A. Munz 1922-5-5 5161 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  UC1532809  Juncus bufonius var. occidentalis Robert F. Thorne and Earl Lathrop 1975-5-20 45500 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro 609 Comment
  CAS-BOT-BC110089  Juncus cooperi A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-4 15887 Riverside Colorado Desert, Salton Sink. Dos Palmas Spring and immediated vicinity. -30 Comment
  UCR24963  Juncus macrophyllus A. C. Sanders 1980-8-23 1758 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA69630  Juncus mexicanus F. W. Peirson 1924-6-1 4676 Riverside River lands along Santa Ana River. 152 Comment
  RSA494627  Juniperus californica Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  UCR136166  Juniperus californica A. C. Sanders 2004-6-20 28218 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR20717  Juniperus californica A. C. Sanders, S. D. Boyd 1980-5-2 1424 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC234578  Justicia californica T. F. Daniel; K. Ullman; M. L. Butterwick 2006-2-19 10531 Riverside Philip L. Boyd Deep Canyon Desert Research Center, ca. 8 km south of Palm Desert. Coyote Creek 270 Comment
  SD173267  Justicia californica Melvin M. Sweet 2005-4-14 125 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  RSA0027471  Kallstroemia californica Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 55 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA0027476  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran Basin and Range- Chuckwalla Valley. From Blythe, head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross over interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of rd, near intersection of Graham Pass Rd. 120 Comment
  UCR242293  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UC620601  Keckiella antirrhinoides I. W. Clokey, E. G. Anderson 1936-4-16 6885 Riverside e of Hemet (hillside along San Jacinto River) 600 Comment
  UC667295  Keckiella antirrhinoides Annie M. Alexander and Louise Kellogg 1941-5-21 2215 Riverside n base Eagle Mountains; Colorado Desert 1158 Comment
  UCR15968  Keckiella antirrhinoides Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  CAS-BOT-BC236728  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  NY786515  Keckiella antirrhinoides var. antirrhinoides L. M. Shultz 1980-4-16 4022 Riverside Side canyon of Whitewater Canyon, San Bernadino Mountains 609.6 Comment
  UCR95457  Keckiella cordifolia D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1119 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  UC103114  Keckiella rothrockii var. jacintensis S. B. and W. F. Parish Aug 1880 473 Riverside San Jacinto Mts. Comment
  SD178242  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR133703  Keckiella ternata N. C. Cooper 1944-7-15 1581 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  POM17871  Keckiella ternata subsp. ternata Philip A. Munz, D. D. Keck 1923-6-14 7082 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  RSA293263  Keckiella ternata subsp. ternata D. C. Michener 1980-7-17 3708 Riverside Unnamed fire road from Vista Grande guard station to northeast. Disturbed sited and rock outcrops along road. 1250 Comment
  UCR125203  Kochia scoparia Mitch Provance 1998-5-27 546 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  RSA561076  Koeleria macrantha Steve Boyd, O. Mitsretta 1992-4-22 7003 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
  UCR35301  Koeleria macrantha L. B. Ziegler 1968-5-21 294 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 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
  RSA747837  Krameria grayi Scott D. White, Justin M. Wood 2009-4-28 12615 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CLARK-A1528-1976  Lactuca serriola John C. Roos 1965-10-7 Riverside Beaumont Comment
  UC76422  Laennecia coulteri Miss M. Alice King 1892-12-1 Riverside JPNI describes Menifee: (w Riverside Co, valley n of Paloma Valley) Menifee Comment
  UCR232032  Lamarckia aurea John F. Green 2008-4-15 0408- 18 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR265048  Lamium amplexicaule Mitch Provance 2013-4-8 413- 09 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA0084167  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1456 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SD225025  Laportea ovalifolia A. C. Sanders 1995-11-30 17926 Riverside Riverside: week in the UCR Botanic Garden. 365 Comment
  OBI75821  Larrea divaricata P. A. Holden 1969-4-23 777 Riverside At foot of Morongo Pass just W of hwy 62 about 8 mi W of Desert Hot Springs Comment
  SEINET13945631 Image available Larrea divaricata Philip A. Munz 1940-1 15665 Riverside S base of Pinto Mts, road Dale to Cottonwood Springs; 2000 ft alt. 610 Comment
  CAS-BOT-BC166021  Larrea tridentata Roxana S. Ferris 1918-6-13 958 Riverside 1 mi. south of Cabazon in White Water Wash Comment
  RSA33309  Larrea tridentata N. C. Cooper 1943-10-3 942 Riverside Whitewater Canyon. Riverbank 762 Comment
  RSA652037  Larrea tridentata Peter Gail 1961-5-13 s.n. Riverside Along Palms to Pines Highway, 2 miles north of junction. Comment
  SD229309  Larrea tridentata Dick Schwenkmeyer 2013-6-11 916 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UC571108  Larrea tridentata Curtis Ferris 1932-3-20 69 Riverside Oasis Comment
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Jun 24 2008
  UC665863  Larrea tridentata Ira L. Wiggins 1941-3-24 9567 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCR228391  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 149 Riverside Colorado Desert; Little San Bernardino Mountains region, W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk) 366 Comment
  RSA390027  Larrea tridentata Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  SD119901  Lasthenia californica Robert McAllister 1969-4-21 343 Riverside San Jacinto Valley; from area near Avery Canyon. 490 Comment
  SD144037  Lasthenia californica Scott D. White 1997-2-28 4724 Riverside Elsinore area: SE of Hwy 74, ca. 1 mi E of jtn. with I-15 Freeway. 459 Comment
  CLARK-A1528-251  Lasthenia coronaria 1938-4-4 Riverside Riverside Comment
  POM361561  Lasthenia coronaria Ora M. Clark 1929-3-16 1698 Riverside South Cabazon. Comment
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Mar 13 2011
  UCR172198  Lasthenia coronaria 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
  CLARK-A1528-257  Lasthenia glabrata subsp. coulteri Danny Sall 1970-5-4 10 Riverside 365 Comment
  POM361604  Lasthenia gracilis N. C. Cooper 1949-3-15 3010 Riverside Banning. 701 Comment
  RSA198969  Lasthenia gracilis R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  RSA33497  Lasthenia gracilis N. C. Cooper 1944-3-24 998 Riverside Banning. 701 Comment
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR269899  Lasthenia gracilis D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3653 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR49234  Lasthenia gracilis Steve Boyd 1986-4-2 1614 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR6013  Lathyrus vestitus K. T. Seng 1966-4-13 660413- 11 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 Comment
  UC15352  Lathyrus vestitus var. alefeldii unknown 1889-1 Riverside near Riverside Comment
  UCR123634  Lathyrus vestitus var. vestitus Steven R. Hill, A. C. Sanders 2001-5-4 33727 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  JOTR16604  Layia glandulosa Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT 1645 Comment
  JOTR37761  Layia glandulosa Hodges, Stephen R. 2016-2-29 717 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UCR103184  Layia platyglossa Scott D. White, Julie Greene 1997-3-12 4788 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR114018  Layia platyglossa Mitch Provance 2000-4-8 2008 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR91639  Layia platyglossa D. L. Banks, Steve Boyd 1995-5-9 0380 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
  UCSB37773  Layia platyglossa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns. Comment
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May 24 2013
  UCSB46694  Layia platyglossa Reed, Susan 1977-03 Riverside On the left side of Cajalco Rd., 1.5 miles west of Lake Matthews 365 Comment
  POM15185  Layia platyglossa subsp. campestris Mary F. Spencer 1922-4-23 1081 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  UCR89385  Lemna minuta A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15870 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  RSA594041  Lemna valdiviana Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 945 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
  UCR113932  Lemna valdiviana Mitch Provance, A. C. Sanders 2000-7-4 2098 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CLARK-A1528-5692  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  RSA596527  Lepidium didymum D. L. Banks 1996-7-16 1132 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road). 426 Comment
  RSA162736  Lepidium fremontii J. D. Olmsted 1958-4-29 78 Riverside Transition zone with interior drainage into Pinto Basin 5 miles N of Jct betw Cottonwood Pass and Cottonwod Spring Roads on the former, with become Pinto Basin road, Joshua Tree National Monument. 732 Comment
  RSA779782  Lepidium fremontii var. fremontii Duncan S. Bell 2010-4-2 691 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  RSA766606  Lepidium lasiocarpum Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-22 164 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  UCR103290  Lepidium lasiocarpum George K. Helmkamp, E. A. Helmkamp 1998-2-5 2677 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  SEINET269469  Lepidium latifolium Scott D. White, Steve Ogg 1994-10-17 2479 Riverside City of Temecula Murrieta Creek channel directly west of Las Haciendas/Del Rio intersect. USGS 71/2' Murrieta quad. 299 Comment
  UCR111604  Lepidium nitidum Mitch Provance, J. Ross 1999-4-1 1733 Riverside Jurupa Mountains, Pediment of the extreme W end of the range, on the E side of Country Village Road. 250 Comment
  UCR97576  Lepidium nitidum var. nitidum Scott D. White 1997-2-28 4722 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR241768  Lepidium strictum A. C. Sanders 2013-4-9 40785 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., near intersection of McLaughlin and Dawson Rd., SE of Perris 439 Comment
  UCD115877  Lepidium virginicum R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, near Herky Creek. Comment
  POM139  Lepidium virginicum var. pubescens Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA689410  Lepidium virginicum var. pubescens Scott D. White, Michael Honer 2003-4-9 8998 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  SD254575  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 miles ESE (97a^z) of Winchester (Winchester 7.5'Q) 608 Comment
  UCR113551  Lepidospartum squamatum Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1754 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  UCR116305  Lepidospartum squamatum B. G. Pitzer 1998-2-1 3450 .2 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR125295  Lepidospartum squamatum A. C. Sanders 2002-11-21 25626 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  RSA289874  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4089 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  UCR78662  Leptochloa uninervia Scott D. White 1992-9-11 796 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  UCR90015  Leptochloa uninervia Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR92237  Leptochloa uninervia Scott D. White, S. Ogg 1994-10-17 2477 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA668920  Leptodactylon jaegeri Heidi West, Lisa Fields 2000-7-18 s.n. Riverside On the south-facing side of a small rock outcrop (about 30ft. diameter), approximately 20ft. up on a ledge. The outcrop is 0.23 air miles east of Divide Peak, also east of Long Valley Creek and about 0.10 air mile NW of Hidden Lake. 2668 Comment
  RSA67071  Leptosiphon ciliatus Verne Grant, Alva Grant 1951-7-22 16106 Riverside Along road to Dark Canyon campsite, 0.25mi from main hwy, north of Idyllwild. 1707 Comment
  CAS-BOT-BC227048  Leptosiphon floribundus subsp. glaber C. F. Baker 1904-4-4 4113 Riverside Elsinore Comment
  RSA586117  Leptosiphon floribundus subsp. glaber D. L. Banks, S. D. Boyd 1995-4-5 0157 Riverside Cleveland National Forest, Agua Tibia Wildeness Area. N slope of Agua Tibia Mtn., E of the Dripping Sprngs Alcove, E of the Dripping Springs Trial, in the N flowing drainage that empties into Arroyo Seco 549 Comment
  SBBG101739  Leptosiphon liniflorus S. Boyd with D. Bramlet 1991-5-13 6253 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 548 Comment
  RSA500977  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3182 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD73177  Leptosiphon parviflorus D. F. Howe 1969-5-15 Riverside Hear Dripping Springs Camp 456 Comment
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Mar 6 2013
  HSC85389  Leptosiphon pygmaeus Steve Boyd 1986-4-13 1688 Riverside Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  RSA525334  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4464 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  UCR138552  Lessingia glandulifera var. glandulifera Steve Boyd, D. E. Bramlet 1988-10-8 2884 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  RSA191452  Leymus condensatus E. W. Lathrop, Robert F. Thorne 1967-9-26 6669 Riverside 5 miles NW of Murieta. Comment
  SDSU13579  Leymus condensatus W. Miller, C. Mosse 1972-7-5 Riverside Comment
  CAS-BOT-BC451637  Lilaea scilloides Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  SEINET10501653  Lilaea scilloides Robert F. Thorne 1974-5-23 Thorne 44658 Riverside Santa rosa plateau, rancho california: near junction of tenaja road and road to Ranch headquarters in cold, clear water of small stream, with ranunculus Aquatilis, marsilea mucronata, eleocharis montevidensis parishii, potamogeton Foliosus, callitriche heterophylla bolanderi, etc. 610 Comment
  POM12754  Lilium parryi Philip A. Munz 1922-7-7 6066 Riverside Meadow N of Tahquitz Valley. San Jacinto Mountains. 2226 Comment
  RSA377162  Lilium parryi M. B. Dunkle 1933-7-20 3708 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA741006  Limnanthes gracilis subsp. parishii Scott D. White, Justin M. Wood 2008-6-18 12218 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA192031  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  RSA468466  Linanthus californicus Ora M. Clark 1929-2-24 1536 Riverside N slope of San Jacinto S of Cabazon Comment
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Nov 9 2011
  RSA525414  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4522 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  JOTR35139  Linanthus dichotomus subsp. dichotomus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3250 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  SBBG87393  Linanthus jonesii A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6007 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR22120  Linanthus lemmonii Steve Boyd 1980-4-13 126 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR193408  Linanthus liniflorus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35577 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1570 Comment
  UCR213830  Linanthus liniflorus Scott D. White, Justin M. Wood 2009-5-21 12845 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  RSA614390  Linaria canadensis var. texana D. L. Banks, Victor W. Steinmann 1997-3-13 1525 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
  UCR104597  Linaria canadensis var. texana G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  POM127859  Linum lewisii P. A. Munz 1922-6-27 5848 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  UCR100153  Lithophragma Scott D. White 1994-4-23 2035 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UCR4190  Lithophragma affine R. H. Sauer 1965-4-28 s.n. Riverside Riverside, Box Springs Mtns, 4.2 mi from beginning of dirt road to radio towers 488 Comment
  UC120278  Loeflingia squarrosa var. squarrosa D. Cleveland 1882-5-3 Riverside San Jacinto Plain Comment
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Nov 9 2009
  JOTR29601  Loeseliastrum matthewsii Andre, Jim 2006-4-26 6758 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  POM75005  Loeseliastrum schottii Marcus E. Jones 1906-4-27 9983 Riverside Palm Springs. Comment
  JEPS20926  Logfia filaginoides W. L. Jepson 1935-4-19 17074 Riverside San Gorgonio Pass Comment
  UCR194218  Lolium perenne Scott D. White, Angelia Carey 2004-6-4 10460 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR23302  Lolium perenne subsp. multiflorum John C. Roos 1952-5-14 5661 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  SEINET251731 Image available Lolium rigidum Walter Graves 2002-6-11 602 -2 Riverside Grown iat U.C.R. in Agricultural Operations Fields 305 Comment
  UCR115430  Lomatium lucidum Scott D. White, D. E. Bramlet 1999-4-22 7245 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA336410  Lomatium mohavense subsp. longilobum R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  LA204616  Lonicera subspicata Victor Duran; 1933-7-2 3496 Riverside Santa Rosa Mountains, Vandeventer Flat 1523 Comment
  UCR262272  Lonicera subspicata A. C. Sanders 2006-5-13 32292 Riverside Peninsular Range, 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
  UCSB26906  Lonicera subspicata var. denudata Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mountains Comment
  UCR59530  Lonicera subspicata var. johnstonii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3616 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  SEINET272332  Lotus argophyllus A. C. Sanders, O. F. Clarke; H. Forster 1997-3-2 19765 Riverside Box Springs Mtns.: E side of the range in Pigeon Pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  RSA90068  Lotus argophyllus var. argophyllus F. W. Peirson 1922-4-30 2933 Riverside Summit of St. John's Grade, south of Hemet Comment
  RSA741176  Lotus corniculatus Justin M. Wood, Brandy N. Ulrich 2008-7-14 17 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  UC80918  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  UCR97646  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 19937 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  RSA697967  Lotus humistratus J. R. Bruff 1928-5-2 169 Riverside Cottonwood Springs. Comment
  SEINET3694576 Image available Lotus humistratus A. C. Sanders 1997-3-19 20046 Riverside Lake Skinner area: lower S slopes of Bachelor Mtn. 472 Comment
  UCR174358  Lotus humistratus A. C. Sanders 2006-5-19 32382 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
  UCR22014  Lotus humistratus Steve Boyd 1980-5-22 299 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  RSA719528  Lotus nevadensis var. nevadensis Naomi Fraga 2006-7-11 1713 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR17520  Lotus nevadensis var. nevadensis Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA406241  Lotus oblongifolius Robert L. Rutherford 1944-7-2 1476 Riverside Palomar Mtn. 1066 Comment
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Jun 15 2013
  UCR241229  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 505 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA303528  Lotus rigidus J. R. Shevock 1971-5-8 1043 Riverside Near Skull Rock; Joshua Tree National Mon. 1372 Comment
  UC864881  Lotus salsuginosus var. brevivexillus C. L. Hitchcock 1940-3-30 5872 Riverside Cottonwood Spring Comment
  RSA406911  Lotus scoparius M. B. Dunkle 1933-5-6 3384 Riverside Dry Morongo Creek. Comment
  VVC2873  Lotus scoparius Tim Thomas, P. J. MacKay 2010-4-12 5030 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA717050  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25846 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 366 Comment
  CLARK-A1528-2809  Lotus strigosus John C. Roos 1937-3-24 1339 Riverside Pigeon Pass Comment
  CSUSB1246  Lotus strigosus Leland E. Francois 1966-3-6 3666 2 Riverside One mile north of Lakeview, Calif. on a dirt road (no name) which runs north directly out of town. 448 Comment
  RSA192127  Lotus strigosus E. W. Lathrop 1959-4-1 4397 Riverside 18 mi SW of Elsinore & Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
  RSA495418  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2938 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR116468  Lotus strigosus A. C. Sanders, T. B. Salvato 2001-3-30 23866 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR13738  Lotus strigosus var. hirtellus N. R. Zabriskie, W. W. Zabriskie 1972-6-18 527 Riverside Peninsular Range; San Jacinto Mtns., along fire road south of the S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild 1939 Comment
  UCR35029  Lotus strigosus var. hirtellus L. B. Ziegler 1968-4-30 279 Riverside Peninsular Ranges, San Jacinto Mountains, Hemet (= Garner) Valley, at Thomas Subdivision. 1402 Comment
  RSA406332  Lotus strigosus var. strigosus Ora M. Clark 1929-2-23 1527 Riverside South Cabazon. Comment
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Mar 13 2011
  UCR165809  Lotus strigosus var. tomentellus 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
  UCR167249  Lotus strigosus var. tomentellus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR92489  Lotus tomentellus George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, 5.6 mi NE of Desert Center on Rice Rd. 152 Comment
  RSA501009  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3128 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  CLARK-A1528-2653  Ludwigia peploides Robert A. Hawthorne 1957-5-1 Riverside Fairmont Park 243 Comment
  POM349944  Lupinus arizonicus Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  SD186207  Lupinus bicolor T. B. Salvato, Melissa Clemons 2005-6-2 1356 Riverside Temescal Valley, Gavilan Hills, ca. 0.5 mile southeast of Steele Peak, 4.0 miles southwest of Perris. 573 Comment
  UCR213306  Lupinus bicolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37699 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR241249  Lupinus bicolor T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1209 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
  UCR91435  Lupinus bicolor Scott D. White 1995-3-30 2637 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA613464  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1997-3-13 1457 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA652738  Lupinus bicolor subsp. microphyllus David B. Dunn, H. Lint 1955-4-1 11844 Riverside About two miles east of Cabazon, along the railroad right of way. 487 Comment
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May 24 2012
  JEPS65048  Lupinus concinnus W. L. Jepson 1901-5-19 1297 Riverside Chalk Hill Mt. San Jacinto, Chalk Hill 1371 Comment
  UCR60918  Lupinus concinnus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3166 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA543773  Lupinus concinnus subsp. concinnus Steve D. Boyd 1991-5-7 6175 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA407145  Lupinus concinnus subsp. orcuttii N. C. Cooper 1944-4-22 1159 Riverside Banning. 732 Comment
  JOTR33773  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2927 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  CAS-BOT-BC216699  Lupinus excubitus var. excubitus Bulletin Torrey Club 1924-9-1 s.n. Riverside Unspecified Comment
  JOTR16714  Lupinus excubitus var. hallii Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA653551  Lupinus excubitus var. hallii Scott D. White 1999-5-24 7405 (2 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA430284  Lupinus formosus David B. Dunn, LeDoux, Kenney 1973-6-15 20760 Riverside 4 miles NW of Jct of Hwy 74 and 71 on Hwy 74. 1402 Comment
  SBBG69088  Lupinus formosus Mrs. J. D. Wright 1929-6-25 Riverside Idyllwild Comment
  UC1542843  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside gas station on the sw corner at the Jct of Hwy 74 and 71 1432 Comment
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May 24 2012
  SEINET10543984  Lupinus formosus David B. Dunn, Douglas G. LeDoux; Patricia L. Kenney 1973-6-15 Dunn 20760 Riverside Coll along the sandy roadside. Sparse yellow pines. 4 Mi nw of jct of hwy 74 and 71 on 74. 1402 Comment
  LA205046  Lupinus formosus var. bridgesii Elizabeth McClintock; 1941-5-19 4 Riverside Santa Rosa Indian Reservation Comment
  UCR2890  Lupinus hirsutissimus Paul W. White 1963-5-11 51163- 14 Riverside Peninsular Ranges/ San Jacinto Mountains, 5 mi. east of Cranston Ranger Station on State Hwy 74 out of Hemet 915 Comment
  UCR84614  Lupinus hirsutissimus Scott D. White, S. Ogg 1994-4-21 1998 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM123543  Lupinus hyacinthinus Philip A. Munz, I. M. Johnston 1924-7-27 8772 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  RSA716394  Lupinus microcarpus var. densiflorus Scott D. White, Angelia Carey 2004-4-5 9980 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR48352  Lupinus microcarpus var. densiflorus Steve Boyd 1986-4-22 1763 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  CDA27545  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava Street (DeLuz Road) 0.4 mile south of junction Washington Avenue in Murietta. 0 Comment
  CSUSB1451  Lupinus sparsiflorus Dean Jones 1966-4-13 Riverside Pigeon Pass Road about 2.1 miles north of Indio Freeway in Riverside. 396 Comment
  RSA0125291  Lupinus sparsiflorus Duncan S. Bell 2016-3-3 8777 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SD224969  Lupinus sparsiflorus G. K. Helmkamp 1998-4-3 3091 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  UCR133383  Lupinus sparsiflorus Mitch Provance, J. S. Ross 1998-3-27 1001 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR137689  Lupinus sparsiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1486 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
  UCR47241  Lupinus sparsiflorus B. G. Pitzer, L. F. LaPre 1987-3-2 0433 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCSB3377  Lupinus sparsiflorus Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road; San Jacinto Mt. Range; Colorado Desert drainage area 563 Comment
  UCR172227  Lupinus succulentus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  CLARK-A1656-750  Lupinus truncatus Theo Glenn 1982-3-21 Riverside Snow Creek Comment
  UC1537126  Lupinus truncatus Gordon H. True Jr. 1935-4-8 228 Riverside Mockingbird Canyon 457 Comment
  UCR147708  Lupinus truncatus Steve Boyd, Aydee Virgen 2004-4-13 10879 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM14115  Luzula comosa Phillip A. Munz 1922-5-19 5396 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  CHSC1919  Lycium andersonii M. Anthony 1954-4-15 Riverside So. of Joshua National Monument, near Hiway 60. Comment
  RSA49183  Lycium andersonii Philip A. Munz 1949-4-13 13051 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UC1286996  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside about 5 mi ne Aguanga Comment
  UCR59227  Lythrum californicum Ed LaRue 1989-5-9 s.n. Riverside Peninsular Range, N side of Temescal Wash, north of frontage road along Hwy 71, c. 1/2 mi (airline) NW of Alberhill 396 Comment
  SD187433  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR163983  Machaeranthera cognata Ted Rado 2005-8-1 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, extreme SE end of Indio (Mecca) Hills, west of Dillon Rd. 61 Comment
  UCR34958  Madia elegans subsp. wheeleri L. B. Ziegler 1968-6-12 312 Riverside San Jacinto Mtns, Thomas Mtn 1982 Comment
  CAS-BOT-BC514238  Maianthemum stellatum P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  CSUSB1367  Malacothamnus fasciculatus James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. Comment
  UCR174266  Malacothamnus fasciculatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32669 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  RSA606377  Malacothrix clevelandii Jon E. Keeley 1994-4-22 25323 Riverside Shipley Reserve. 590 Comment
  CAS-BOT-BC347698  Malacothrix glabrata Scott D. White 1996-4-14 3897 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  CAS-BOT-BC347710  Malacothrix glabrata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM10233  Malacothrix glabrata Charlotte M. Wilder 1904-5-15 125 Riverside North side of Jurupa Hills, NW of Riverside Comment
  RSA110397  Malacothrix glabrata E. K. Balls 1955-6-5 20954 Riverside In dry Morongo wash, nw. end of cochella valley. Comment
  RSA25142  Malacothrix glabrata C. L. Hitchcock 1940-4-3 5929 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA760820  Malacothrix glabrata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 111 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UC1536762  Malacothrix glabrata G. H. True 1935-4-15 241 Riverside Mockingbird Canyon 457 Comment
  UCR84640  Malacothrix glabrata Scott D. White, Steve Ogg 1994-4-21 1986 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR261204  Malosma laurina A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41729 Riverside Temesal Canyon, hilltop above DePalma Rd., about mid way between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  POM265802  Malvella leprosa J. C. Roos 1937-5-23 2308 Riverside La Sierra, West Riverside County Comment
  SD190351  Marah macrocarpa A. C. Sanders 2004-4-20 27525 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line. 640 Comment
  UCR135861  Marah macrocarpa A. C. Sanders 2004-4-20 27525 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
  UCR2975  Marah macrocarpa Wm. Horn Jr. 1963-3-17 630317- 01 Riverside San Bernardino/ upper Santa Ana River Valley, Box Springs Mtns., east edge of Riverside, [Big Springs Canyon near spring marked on topo] 0.5 mi east of the east end of Big Springs Road 427 Comment
  JOTR35347  Marina parryi Harding, Mitzi, Mark Wheeler 2012-2-28 114 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  POM128975  Marina parryi Childs 1920-12-1 s.n. Riverside Martinez Canyon, Santa Rosa Mts, Colorado Desert Comment
  RSA799876  Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  UC1287111  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside 20 mi sw Blythe; Mule Mts. Comment
  SD136816  Marrubium vulgare Steve Boyd, Tim Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Verdugo Potrero, near the Verdugo Trailhead. 730 Comment
  SEINET244843  Marrubium vulgare A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24936 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR120915  Marrubium vulgare A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24936 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR23347  Marsilea vestita John C. Roos 1965-9-16 s.n. Riverside Lakeview Comment
  POM14400  Matelea parvifolia P. A. Munz, D. D. Keck 1922-4-9 4881 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  RSA0028709  Medicago minima Norman C. Cooper 1944-5-6 1214 Riverside Banning. 701 Comment
  UCR102814  Medicago polymorpha A. C. Sanders 1997-3-19 20057 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR155827  Medicago polymorpha John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA526164  Medicago polymorpha Steve Boyd, T. S. Ross 1990-5-11 4667 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA612938  Medicago polymorpha D. L. Banks 1997-3-29 1639 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  SDSU13941  Medicago sativa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2158 Riverside Santa Margarita Ecological Reserve (SDSU), along north-south running dirt road. 396 Comment
  POM114751  Melica imperfecta Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA179494  Melica imperfecta E. W. Lathrop 1959-5-29 4592 Riverside 14 miles W of Murrieta; Tenaja Canyon in the Cleveland National forest Comment
  RSA519239  Melica imperfecta 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
  SD144118  Melica imperfecta Scott D. White 1997-5-25 5235 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing 975 Comment
  UC618994  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon; Cleveland National Forest, Corona Quad. 762 Comment
  UCR100412  Melica imperfecta Scott D. White, M. A. Patten 1995-8-16 3543 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCR101441  Melica imperfecta A. C. Sanders 1997-4-10 20323 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR112406  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23454 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR20447  Melica imperfecta E. W. Lathrop 1966-4-13 6171 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  SDSU12980  Melilotus albus Michael G. Simpson with Claudia A. Luke 1999-10-27 2018 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  RSA652195  Melilotus albus N. D. Hogg 1969-5-24 s.n. Riverside Palm Springs. Comment
  UCR20709  Melilotus indicus A. C. Sanders, Steve Boyd 1980-5-2 1425 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR92142  Melilotus indicus D. L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  CLARK-A1528-5703  Menodora spinescens John C. Roos 1948-5-15 3860 Riverside Eagle Mountain Comment
  UCR90602  Mentha spicata Scott D. White 1995-6-29 3388 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  CAS-BOT-BC223708  Mentzelia John H. Thomas 1957-3-30 6551 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  LA91117  Mentzelia affinis Peter H. Raven; 1958-3-15 11845 Riverside Box Canyon, E of Mecca Comment
  RSA708489  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UCR167459  Mentzelia involucrata John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CHSC8267  Mentzelia involucrata var. megalantha Edward L. Smith 1957-4-3 235 Riverside Located 1 mi. n hwy. 99 to La Palms, Calif., in a wash. San Bernardino Mts. 91 Comment
  RSA0038376  Mentzelia involucrata var. megalantha A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  UCR12576  Mentzelia micrantha Bill Schultz 1972-4-30 720430- 6 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  RSA771698  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4698 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 W116.65126 604 Comment
  LA212357  Metrosideros excelsa Lee Haines; 1951-5-20 5150 Riverside Palms to Pines Highway. 1158 Comment
  LA209009  Micranthes californica John O'Leary; 1975-3-30 337 Riverside San Timoteo Canyon. 0.5 mi E of Treemont [?] 655 Comment
  UCR272459  Microseris douglasii Mitch Provance, Jeremiah George 2012-3-15 312- 04 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  RSA359525  Microseris douglasii subsp. platycarpha Steve Boyd 1986-3-9 1387 Riverside Temescal Canyon: Alberhill Mt., south slope just east of claymine area 427 Comment
  UCR116505B  Microseris douglasii subsp. platycarpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR90774  Microseris douglasii subsp. platycarpha D. E. Bramlet 1994-4-20 2369 Riverside Perris-Aguanga Basin region, Shipley Reserve/SE corner of Lake Skinner Co. Park, beside a large, ephemeral drainage south of the equestriam trail, approx 762 m SE of the park entrance road and 579 m NW of East Benton Road 518 Comment
  CLARK-A1045-155  Microseris elegans George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UCR213301  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37706 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  CHSC26267  Mimetanthe pilosa Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA0018783  Mimulus N. C. Cooper 1949-6-29 4345 Riverside Pine Cove. Comment
  SDSU10755  Mimulus aurantiacus W. E. Rehlaender 1983-4-22 31 Riverside NE rim of Sycamore Canyon, about 1 mile SW of Hwy 60 and 2.5 miles SSE of UCR Campus. Comment
  UCD122228  Mimulus aurantiacus Maureen H. Pendleton 1988-2-1 s.n. Riverside Ca. 2 1/2 mi. S of Temecula between I-215 and Rainbow Canyon Road. 411 Comment
  JEPS87308  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1070 Riverside 3.0 mi s of foot Banning Grade (Hwy 243 at 90 deg. turn allowing access to I-10 interchange); San Jacinto Mts. 910 Comment
  RSA38702  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11506 Riverside D. longiflorus 50 ft. away; D. Clevelandii 10 ft.; hybrid colony in center, more woody than D. Clevelandii; Indian Canyon, along Indian Canyon Truck Trail. 960 Comment
  JEPS8177  Mimulus bigelovii var. bigelovii Dr. L. M. Newlon 1922-4-4 452 Riverside near Palm Springs; Palm Canyon Comment
  JOTR32322  Mimulus bigelovii var. bigelovii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA420963  Mimulus bigelovii var. bigelovii Anstruther Davidson 1903-5-1 1178 Riverside Working Canyon Comment
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May 28 2010
  RSA420965  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3318 Riverside Desert Center. 610 Comment
  RSA776644  Mimulus bigelovii var. bigelovii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1101 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  RSA570551  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 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 rd. 792 Comment
  RSA282793  Mimulus diffusus C. W. Tilforth, B. Busenberg 1980-6-10 1988 Riverside Along Thomas Mtn. Rd. West of Hwy 74 and south of Lake Hemet. Comment
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May 23 2008
  UCR193372  Mimulus fremontii A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35638 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR280945  Mimulus fremontii Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 71 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
  JEPS8218  Mimulus fremontii var. fremontii W. L. Jepson and H. M. Hall 1901-5-19 1293 Riverside San Jacinto Canyon 640 Comment
  UC1475132  Mimulus fremontii var. fremontii S. B. and W. F. Parish Apr. 1882 1218 Riverside Morongo Comment
  SBBG47461  Mimulus guttatus N. C. Cooper 1944-6-17 1415 Riverside above Banning 1219 Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  CSUSB915  Mimulus longiflorus Steve G. Nelson 1974-5-22 Riverside Box Spring Mountains Box Springs Mountains. Found at edge of rock outcrop 457 Comment
  SBBG22451  Mimulus moschatus H. and M. Dearing 1942-3-9 4820 Riverside Eagle Cyn near Palm Springs Comment
  UCR232779  Mimulus moschatus William Schlegel, Andrew Troutte 2008-8-8 008 Riverside Peninsular Range; San Jacinto Mtns., c. 2 km NE of Black Mountain summit 2267 Comment
  UCR231771  Mimulus pilosus John F. Green 2008-4-23 08- 20 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
  LA209440  Mimulus tilingii Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  POM17816  Minuartia douglasii P. A. Munz 1923-6-14 7086 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  UCR37618  Mirabilis bigelovii George K. Helmkamp 1984-5-2 D 24 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  CLARK-A1528-637  Mirabilis californica Fred B. Essig 1967-5-7 67-5- 7 -6 Riverside Box Springs Mountains Comment
  CAS-BOT-BC502090  Mirabilis laevis A. C. Sanders; Jim Malusa 2015-9-10 41860 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  CLARK-A1528-3923  Mirabilis laevis Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  RSA503407  Mirabilis laevis J. D. Olmsted 1962-5-10 3610 Riverside L. Matthews Road ca. 1/2 mi. W of dam. 427 Comment
  POM758  Mirabilis laevis var. crassifolia J. D. Abrams 1901-05 s.n. Riverside Elsinore. Comment
  RSA27931  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  SEINET3161569  Mirabilis laevis var. retrorsa T. Reeves, D. J. Pinkava 1974-3-19 11767 Riverside dirt road overlooking Whitewater Comment
  SBBG1888  Mirabilis multiflora H. and M. Dearing 1940-6-8 4342 Riverside Pinyon Flat Camp, Palms to Pines Hwy Comment
  JEPS61316  Mirabilis multiflora var. pubescens W. L. Jepson 1901-5-22 1376 Riverside Palm Canyon and return to <Van Deventer's> Palm Canyon 914 Comment
  CLARK-A1528-638  Mirabilis tenuiloba Charlotte Stocks 1962-6-27 Riverside Whitewater Canyon Comment
  RSA700932  Mirabilis tenuiloba Keith E. Hoffmaster 1933-4-14 s.n. Riverside Taquitz canyon Comment
  JOTR35327  Mohavea confertiflora Harding, Mitzi, Mark Wheeler 2012-2-28 94 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA457757  Mohavea confertiflora Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2118 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SDSU10812  Mohavea confertiflora A. H. Gallup 1949-3-28 384 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], east slope, Colorado Desert drainage area, in bottom of dry wash. 152 Comment
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Jan 30 2013
  UC1080455  Mohavea confertiflora P. C. Everett and E. K. Balls 1958-4-29 1650 Riverside just w of Cactus City (U.S. Highway 60/70, Indio to Blythe) 502 Comment
  CHSC116478  Monardella lanceolata R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Hieghway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA401586B  Monardella lanceolata var. lanceolata N. C. Cooper 1947-4-5 2079 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR220072  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Peninsular Ranges: San Jacinto Mountains, Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  LA57203  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside Pinon Flats, Palms to Pines Hwy Comment
  UC1499862  Monardella nana Elizabeth McClintock 1940-5-19 10 Riverside 2 miles off Pines to Palms Highway on road to Santa Rosa Mt. Comment
  RSA750401  Monardella nana subsp. arida Elizabeth McClintock 1941-5-22 s.n. Riverside Anza Monument, 5 miles south of Anza, on road to Coyote Canyon. Comment
  SEINET2442172  Monardella nana subsp. arida Unknownnown 1941-6-29 79 Riverside Road up Santa Rosa Mt. 41/2 miles beyond canyon where stream crosses road. Comment
  RSA750289  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-11 97 Riverside Banning-Idyllwild road. Fuller Mill Creek. Comment
  JOTR30272  Monardella robisonii Leary, Pat, Cari Leary 1987-5-9 3819 Riverside Joshua Tree National Park. 1.8 km south of Keys Ranch, T2S R8E sec5 [UTMs estimated, January 2010] Comment
  RSA65882  Monolepis nuttalliana F. W. Peirson 1918-03 1834 Riverside Field near Indio. Comment
  JEPS31451  Monoptilon bellioides W. L. Jepson 1926-4-11 11632 Riverside near Palm Springs Sta.; Conchilla Desert Comment
  RSA444320  Monoptilon bellioides Walter Wisura 1988-3-1 4189 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA517245  Monoptilon bellioides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1337 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  UCR274210  Muhlenbergia asperifolia Duncan S. Bell 2014-11-14 7713 Riverside Santa Rosa Mountains, Santa Rosa Wilderness area, west side of Martinez Mountain, Cactus Spring 1292 Comment
  CLARK-A1045-226  Muhlenbergia microsperma George K. Helmkamp 1979-3-18 Riverside Shavers Valley 3 miles south of Interstate highway 10 on Cottonwood Springs Road [Box Canyon Road]; Cottonwood Spring 15'Q Comment
  POM13028  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-13 4947 Riverside Eagle Mountains. 244 Comment
  RSA0049531  Muhlenbergia microsperma J. C. Roos 1952-4-9 5507 Riverside East face Mt. Rubidoux. 365 Comment
  UC53683  Muhlenbergia richardsonis H. M. Hall 1897-8-10 786 Riverside Tamarack Valley San Jacinto Mountains 2651 Comment
  RSA144246  Muhlenbergia rigens William McKinley Klein 1960-8-22 1584 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. 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
  PASA2572  Myosurus minimus Frank W. Peirson 1922-4-29 2945 Riverside Lake Elsinore Comment
  POM11832  Myosurus minimus subsp. apus P. A. Munz 1922-4-29 5061 Riverside 3 miles south of Elsinore 381 Comment
  UCR136623  Myosurus minimus subsp. apus F. W. Peirson 1922-4-29 2945 Riverside Elsinore Trough, Lake Elsinore, about mudflat south of lake 375 Comment
  SD105726  Myosurus minimus var. apus T. Cass 1979-6-1 Riverside Vernal pool, Mesa de Burro, Santa Rosa Plateau 680 Comment
  RSA522093  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3761 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  UCR139620  Navarretia atractyloides A. C. Sanders 2004-7-1 28388 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR157964  Navarretia atractyloides T. B. Salvato, A. C. Sanders 2005-5-17 930 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
  UCR98705  Navarretia atractyloides 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
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR266257  Navarretia fossalis D. E. Bramlet 2006-5-25 4003 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto River bed, 20 m south of the Nuevo Road bridge 430 Comment
  UCR70681  Navarretia fossalis D. E. Bramlet 1991-6-1 2170 Riverside Perris-Aguanga Basin region, San Jacinto River, about 2.2 km west of Lakeview, within the riverbed, 1 mi north of MWD (Colorado Aqueduct) easement road 473 Comment
  RSA450147  Navarretia hamata J. C. Roos 1965-6-30 s.n. Riverside ortega Highway, Santa Ana Mtns. Comment
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May 21 2011
  RSA800111  Nemacaulis denudata var. gracilis Duncan S. Bell 2013-4-7 4763 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4.1 air miles south of the ghost town of Rice or approximately 3.3 air miles east northeast of Priests Well. 207 Comment
  RSA777633  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 770 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  SEINET10840560  Nemacladus longiflorus Samuel B. Parish Parish 1628 Riverside San Jaciento Mountains Comment
  RSA0126323  Nemacladus longiflorus var. longiflorus Katherine Brandegee 1905-5-12 s.n. Riverside Near Riverside. Comment
  JEPS22350  Nemacladus orientalis Rimo Bacigalupi with Roxana S. Ferris 1958-3-21 6252 Riverside 11.3 mi n Blythe (e slope of Big Maria Mts, 0.25 above Colorado River); Big Maria Mts., Colorado River 170 Comment
  RSA777654  Nemacladus orientalis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 756 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA586485A  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-5-9 0342 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA659780  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UC130503  Nemacladus ramosissimus Mrs. C. M. Wilder 1909-7-15 967 Riverside Hemet Dam; San Jacinto Mts. Comment
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Mar 25 2011
  UCR243501  Nemacladus sigmoideus Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21071 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA510051  Nemacladus tenuis var. aliformis B. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 604 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  RSA439263B  Nemacladus tenuis var. tenuis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  CLARK-A1703-30  Nemophila menziesii Cameron Duncan 1966-3-9 Riverside Riverside 213 Comment
  JEPS1478  Nemophila menziesii W. L. Jepson 1939-4-17 19125 Riverside Corona Comment
  UC1537401  Nemophila menziesii Gordon H. True Jr. 1935-2-22 11 Riverside Mockingbird Canyon 457 Comment
  RSA769524  Nemophila menziesii var. integrifolia Duncan S. Bell, Valentin Arvizu 2010-5-10 977 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA770697  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4803 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA772851  Nerium oleander Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4840 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  CAS-BOT-BC349864  Nicolletia occidentalis Philip A. Munz 1953-5-31 18517 Riverside Juniper Flats, Joshua Tree National Monument 1356 Comment
  RSA653431  Nicotiana attenuata Scott D. White 1999-5-24 7399 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA654980  Nicotiana attenuata A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns.: Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road. 1341 Comment
  CSUSB769  Nicotiana bigelovii Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  POM8814  Nicotiana bigelovii var. wallacei Philip A. Munz, R. D. Harwood 1920-5-5 3833 Riverside Near Wineville 457 Comment
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Jun 11 2012
  CHSC1925  Nicotiana glauca V. Holt 1942-3-29 Riverside Santa Rosa mountains. Comment
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Mar 23 2014
  RSA413247  Nicotiana glauca James C. Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduc crossing. 247 Comment
  SEINET7907894  Nicotiana glauca D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd between Perris & Lake Elsinore 488 Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UC303675  Nicotiana obtusifolia S. B. Parish 1919-3-27 19200 Riverside Palm Springs; Colorado Desert Comment
  UCR226792  Nicotiana obtusifolia Jim Andre 2011-2-9 15917 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
  SBBG53762  Nuttallanthus texanus S. Boyd 1980-5-8 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UC1929613  Nuttallanthus texanus Scott D. White 2003-3-21 8797 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  RSA146103  Oenothera californica subsp. californica Peter H. Raven 1959-5-18 14244 Riverside Hemet Meadows, San Jacinto Mtns. Comment
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SEINET7249060  Oenothera deltoides Teresa B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-1 Riverside Comment
  SEINET6630452  Oenothera deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles. North East of Desert Center Comment
  RSA264557  Oenothera deltoides subsp. deltoides C. W. Tilforth, J. Dourley, Walter Wisura 1977-5-19 1321 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  UCD84927  Oenothera deltoides subsp. deltoides Chuck Hughes 2010-3-21 199 Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  POM48992  Oenothera elata subsp. hirsutissima P. A. Munz, I. M. Johnston 1924-7-29 8823 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA597060  Olea europaea D. L. Banks, Lauren Raz 1996-11-5 1157 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA399179  Oligomeris linifolia N. C. Cooper 1949-4-8 3283 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA567652  Oligomeris linifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12095 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA80685  Oligomeris linifolia F. W. Peirson 1927-4-12 7161 Riverside Painted canyon, near Mecca. Comment
  UCR77772  Oligomeris linifolia Steve Boyd, D. E. Bramlet 1991-5-13 6244 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  CAS-BOT-BC248281  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-4-4 38975 Riverside Peninsular Range: Lake Elsinore, Hwy 74 (Riverside Dr.) at Baker St. 382 Comment
  RSA748350  Oncosiphon piluliferum Justin M. Wood 2009-5-15 715 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR128311  Oncosiphon piluliferum Scott D. White, Michael Honer 2003-6-17 9551 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  JOTR29440  Opuntia basilaris var. basilaris La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1374 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA296173  Opuntia basilaris var. basilaris B. A. Prigge 1980-8-5 3858 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  POM288042E  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  CHSC14089  Orcuttia californica N. Hogg 1969-4-30 Riverside Mesa de Burro; ca. 4 miles w of Murrietta; on the bottom of a 'cattle tank,' ne portion of the mesa. Comment
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Apr 3 2011
  SBBG68733  Orobanche cooperi L. Rowntree 1930-5-8 Riverside Mecca Comment
  RSA0124000  Orobanche fasciculata Duncan S. Bell, Thomas Stoughton 2016-4-13 9250 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA0084145  Orobanche fasciculata G. Corwin, Ivan M. Johnston 1919-6-8 2896 Riverside San Bernardino Mountains. Box Springs. 1463 Comment
  SEINET10745019  Orobanche fasciculata George Yatskievych 1981-4-26 Yatskievych 81 -137 Riverside State Highway 74, ca. 4 mi SE of Bee Canyon. 823 Comment
  CSUSB462  Oryzopsis hymenoides Leland E. Francois 1966-4-23 42366 2 Riverside East side of Salton View look out, located in Joshua Tree National Monument. 1580 Comment
  UC455212  Oxytheca trilobata I. J. Condit 1910-6-21 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  PASA2619  Paeonia brownii Sally Ellis 1940-3-18 Riverside Dripping Springs Comment
  CAS-BOT-BC327941  Palafoxia arida J. Von Loh 1978-1-24 3308 Riverside Near Nichols Warm Spring 121 Comment
  RSA779596  Palafoxia arida Duncan S. Bell 2009-3-7 28 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA795926  Palafoxia arida Duncan S. Bell 2009-4-19 283 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR148845  Palafoxia arida 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
  UCR249510  Palafoxia arida T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7280 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
  JEPS34756  Palafoxia arida var. arida W. L. Jepson Oct 22 1912-Nov 7 1912 5237 Riverside Riverside Mts. 45 Comment
  RSA772528  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 4434 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
  SEINET10475248  Palafoxia linearis var. linearis Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4923 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  SD187320  Panicum acuminatum var. acuminatum Scott D. White, Jennifer H. Jones 2005-5-25 11112 Riverside Santa Ana Mountains: Rainbow area; mountain foothills west of I-15 and immediately north of San Diego County line. 334 Comment
  CAS-BOT-BC253751  Panicum capillare Justin M. Wood 2008-9-19 130 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge 305 Comment
  CHSC109691  Panicum capillare Justin M. Wood 2008-7-9 130 Riverside SW Perris Basin: Temecula-Murrieta Creek, downstream of 1st street bridge. 299 Comment
  CLARK-A1528-1258  Panicum capillare John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  VVC1448  Panicum capillare A. C. Sanders, J. Mac 1996-11-23 19662 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  CDA32593  Panicum urvilleanum K. E. Hoffmaster 1958-12-22 Riverside Indio area, in young grapefruit orchard. 0 Comment
  RSA715088  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  RSA522712  Parietaria hespera var. californica Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3898 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
  UCR115919  Parietaria hespera var. californica Mitch Provance 1998-4-24 1114 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  GMDRC3550  Parietaria hespera var. hespera J. Andre, T. La Doux 2009-2-25 10811 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  UC1929823  Parietaria hespera var. hespera Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10475 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  JOTR34331  Parkinsonia florida Andre, Jim 2012-4-11 20837 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  UCR255954  Parkinsonia florida Deidre Conocchioli, Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness Area, west of Coachella Valley, 3 mi south of Lake Cahuilla 110 Comment
  UCR86194  Parkinsonia florida A. C. Sanders 1995-5-23 17124 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  RSA766070  Paspalum pubiflorum R. E. Riefner Jr. 2009-10-10 09 -225 Riverside City of Corona, Santa Ana River below Prado Dam, ca. 0.5 mi SW of 71 Fwy. 135 Comment
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  JOTR35015  Pectis papposa var. papposa La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3113 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SFV11423  Pectis papposa var. papposa M. L. Vincent, R. H. Swade 1963-10-19 447 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  UCR108477  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16145 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  POM368802  Pectocarya heterocarpa M. B. Dunkle 1937-3-25 4933 Riverside Colorado Desert. Shaver s Well Comment
  RSA191740  Pectocarya heterocarpa R. F. Thorne 1963-3-29 32389 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA645674  Pectocarya linearis Scott D. White 1999-5-2 7293 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  RSA660562  Pectocarya linearis Starr Streight 1982-4-17 76 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR111561  Pectocarya linearis Mitch Provance 1998-5-4 1710 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  POM368787  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet. 770 Comment
  SEINET272156  Pectocarya penicillata A. C. Sanders 1997-3-1 19754 Riverside Box springs Mountains: E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch E of Hidden Springs Rd. intersecti 579 Comment
  UCR158504  Pectocarya penicillata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30043 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
  UCR804  Pectocarya penicillata J. E. Dimitman 1957-4-1 s.n. Riverside at the top of Pigeon Pass Comment
  RSA0125296  Pectocarya platycarpa Duncan S. Bell 2016-3-3 8782 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  UCR214882  Pectocarya platycarpa A. C. Sanders 2010-3-15 37396 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR52024  Pectocarya platycarpa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2200 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  POM305611  Pectocarya recurvata Henry J. Ramsey, Henry J. Ramsey 1937-2-26 906 Riverside Whitewater. Comment
  RSA524459  Pectocarya recurvata Steve Boyd 1990-4-3 4062 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 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
  UC1212092  Pectocarya recurvata Peter M. Ray 1949-3-6 1135 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  POM281157  Pedicularis densiflora Ethel Rush 1951-4-12 170 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. Comment
  UCR24459  Pedicularis densiflora John C. Roos 1966-4-23 s.n. Riverside Peninsular Range; Santa Ana Mtns, south of Corona Comment
  UCSB18151  Pediomelum californicum Gates, Mary 1964-5-17 Riverside Pinyon Flats Campground, State Highway 74, 25 miles SE of Indio 1219 Comment
  SD255602  Pellaea andromedifolia Mitch Provance 2012-5-24 512 18 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson Street (Beaumont 7.5'Q) 868 Comment
  RSA561123  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-12 7312 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR225215  Pellaea mucronata T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5162 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  SEINET10568080  Pellaea mucronata David B. Dunn 1941-1-12 Dunn 675 Riverside Palms to Pines Hwy; opposite the Hermit Ranger Station. Comment
  RSA0100144  Pellaea mucronata subsp. mucronata Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8582 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC1951230  Pennisetum setaceum Scott D. White, Justin Wood 2009-4-29 12619 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Seven Palms Valley 7.5' Quad. Comment
  JEPS3111  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside on State Highway No. 71, 3 mi e Temecula; e of Temecula Comment
  RSA658634  Penstemon centranthifolius G. Fall 1970-5-18 0 -156 Riverside Gavalin Hills. Collected 2.8 mi. S. of Mocking Bird Cyn. Rd. on Gavalin Hills Rd. 274 Comment
  UCR107743  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR87656  Penstemon centranthifolius A. C. Sanders 1994-5-29 14581 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR35256  Penstemon clevelandii var. connatus L. B. Ziegler 1973-6-6 511 Riverside San Jacinto Mtns, Hemet (Garner) Valley. Between mill site and the mine shaft of the Kenworthy Mine. 1418 Comment
  CLARK-A1528-4302  Penstemon eatonii John C. Roos 1948-5-15 3839 Riverside Eagle Mountains Comment
  POM4279  Penstemon grinnellii H. M. Hall 1901-07 2548 Riverside Fuller's Mills Mountain. 2134 Comment
  RSA402132  Penstemon labrosus N. C. Cooper 1944-7-7 1587 Riverside San Jacinto Mts (above Pine Cove). 2073 Comment
  RSA401805  Penstemon spectabilis E. C. Jaeger 1921-6-24 s.n. Riverside Stratton's Ranch, McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  UC1063197  Penstemon spectabilis A. Lewis Mar 1934 321 Riverside Bedford Canyon Cleveland National Forest, Corona Quadrangle Comment
  RSA96912  Penstemon spectabilis R. M. Straw 1953-6-5 448 Riverside 0.3 mi. west of Palms to Pine Hwty, on road to Anza. Comment
  NY661178  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-25 485 Riverside Northwest slope of Santa Rosa Mountain, along truck trail, San Jacinto Mountains 1828.8 Comment
  UC489038  Pentachaeta aurea C. V. Meyer Jun 1927 184 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  JEPS34965  Perityle emoryi Lawrence Saylor 1935-3-24 214 Riverside Pinto Basin Comment
  RSA25474  Perityle emoryi C. L. Hitchcock 1940-3-31 5893 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  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
  UCSB9816  Perityle emoryi Beeks, Richard 1952-4-4 Riverside Seven miles above Mecca in Box Canyon Comment
  JOTR35184  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  CAS-BOT-BC167767  Petalonyx thurberi S. B. Parish 1912-6-28 8121 Riverside Mesas near Mecca Comment
  RSA795941  Petalonyx thurberi Duncan S. Bell 2009-4-19 279 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR17237  Petalonyx thurberi N. R. Zabriskie, W. W. Zabriskie 1971-10-23 452 Riverside Western Colorado Desert/ San Jacinto Mtns, near Andreas Canyon Club Gate, South Palm Canyon Drive, Palm Canyon drainage, E slope of San Jacinto Mtns Comment
  UCR207529  Petunia parviflora O. F. Clarke 2007-4-28 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR20986  Petunia parviflora A. C. Sanders, Steve Boyd 1980-5-19 1478 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  CAS-BOT-BC326771  Peucephyllum schottii Peter H. Raven 1958-1-23 11429 Riverside Fargo Canyon Comment
  SD27949  Peucephyllum schottii Carl B. Wolf 1932-4-26 1473 Riverside Colorado Desert, 8 miles east of Mecca on Blythe Road 89 Comment
  UCR148860  Peucephyllum schottii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  RSA0106811  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  RSA797660  Phacelia Robert F. Thorne, E. W. Lathrop 1977-5-18 49763 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  UC667339  Phacelia affinis Annie M. Alexander and Louise Kellogg 1941-5-5 2123 Riverside Lost Horse Valley Joshua Tree National Monument 1280 Comment
  RSA699149  Phacelia ambigua W. Marquart 1938-12-12 s.n. Riverside 15 mi. W. of Blythe. Comment
  RSA0043368  Phacelia ambigua var. minutiflora Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17712 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  RSA102328  Phacelia campanularia S. B. Parish, W. F. Parish 1882-04 216 Riverside Borders of the Colorado Desert, Whitewater. Comment
  UC672427  Phacelia campanularia subsp. campanularia Herbert L. Mason 1928-3-10 4183 Riverside Snow Creek Colorado Desert, Whitewater River Valley Comment
  POM14360  Phacelia campanularia subsp. vasiformis P. A. Munz, D. D. Keck 1922-4-9 4766 Riverside Shavers Well, near Mecca. 76 Comment
  CLARK-A1528-5437  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  SFV5032  Phacelia crenulata F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  RSA0043223  Phacelia crenulata var. ambigua Duncan S. Bell 2009-3-7 18 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  UC1523544  Phacelia crenulata var. ambigua Robert F. Thorne 1963-3-29 32368 Riverside 5 miles E of Mecca, Mecca Hills Comment
  UCR103581  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-1-17 2541 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR169392  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 595 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
  RSA426223  Phacelia distans Ora M. Clark 1929-3-17 1697 Riverside Colorado Desert, south of Cabazon. Comment
  RSA781797  Phacelia distans Duncan S. Bell 2010-5-1 883 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
  UCR168242  Phacelia distans P. A. Munz 1949-4-13 13047 Riverside Sonoran (Colorado) Desert, above Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  RSA0106452  Phacelia minor Daphne K. Christopher, Hannah Stevens 2003-4-4 87 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA522756  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3863 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
  RSA60725  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside 9 miles southeast of Temecula on highway 71. Comment
  RSA614537  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR162642  Phacelia minor S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR261177  Phacelia minor A. C. Sanders, Katie Young, John Hale 2015-4-22 41603 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
  UCR97662  Phacelia minor A. C. Sanders, G. Helmkamp 1997-3-15 19918 Riverside Peninsular Range, Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 567 Comment
  RSA0106602  Phacelia minor Robert F. Thorne 1995-3-29 63029 Riverside White Water Canyon. 600 Comment
  UCR24948  Phacelia mutabilis A. C. Sanders 1980-8-23 1756 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA351343  Phacelia parryi Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60626 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  SBBG29878  Phacelia pedicellata E. Braunton 1940-4-3 2020 a Riverside Berdoo Cyn, 10 mi E of Indio 304 Comment
  CDA40393  Phacelia ramosissima var. suffrutescens T. C. Fuller 1964-4-14 11830 Riverside On disturbed cut above road, Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA678929  Phalaris angusta Scott D. White, Michael Honer 2003-6-3 9472 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR251303  Phalaris minor T. B. Salvato, Matthew Malle 2014-4-8 7828 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  UCR76159  Phalaris minor A. C. Sanders 1993-4-1 76159 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  POM14012  Phlox austromontana E. C. Jaeger 1921-7-1 s.n. Riverside Palms to Pines trail. 1738 Comment
  JOTR30634  Pholisma arenarium La Doux, Tasha 2008-5-29 1798 Riverside Joshua Tree National Park. Queen Valley 1365 Comment
  UCR241919  Pholistoma auritum A. C. Sanders, Timothy W. Chumley 2013-3-28 40699 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  UCR85177  Pholistoma membranaceum A. C. Sanders, P. J. MacKay, A. Knapp, C. L. Sanders, et al. 1995-2-19 15935 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
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Oct 25 2011
  POM2149  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 229 Comment
  UC217921  Phoradendron californicum P. A. Munz and D. Keck 1922-4-14 4992 Riverside Colorado Desert, Indian Wells 106 Comment
  UCR148051  Phoradendron californicum Steve Boyd, Et al. 2004-5-14 11299 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
  UCR99806  Phoradendron californicum B. G. Pitzer 1996-11-11 2932 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  UC1078933  Phoradendron macrophyllum Job Kuijt 1958-3-14 1498 Riverside Strawberry Creek, Hwy. 74 914 Comment
  CLARK-A1528-4811  Phragmites australis John C. Roos 1947-11-1 3760 Riverside Eagle Mountain Comment
  RSA289848  Phragmites australis B. A. Prigge 1980-9-17 4056 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA4899  Physalis crassifolia Carl B. Wolf 1932-4-27 3015 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA778488  Physalis crassifolia Duncan S. Bell 2009-3-8 53 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCSB99  Pinus monophylla Cline, C. 1960-5-15 Riverside Edge of Pinon Flats Camp; 15.5 miles SW of Palm Desert; San Bernardino National Forest 1219 Comment
  POM293251  Pinus quadrifolia Lyman Benson 1956-12-1 15705 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  UC1931138  Pinus quadrifolia Scott D. White, Justin Wood 2008-6-17 12190 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak) Comment
  RSA701503  Piperia transversa Naomi Fraga, Sarah J. De Groot 2004-7-8 1300 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  UCR103792  Piptatherum miliaceum Scott D. White 1994-10-21 2510 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UCR107706  Pityrogramma triangularis var. triangularis A. C. Sanders 1997-3-1 19735 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR172247  Plagiobothrys acanthocarpus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  CLARK-A1528-339  Plagiobothrys californicus var. californicus Roberta H. Smith 1969-5-4 26 Riverside Lake Mathews 435 Comment
  UCR250114  Plagiobothrys canescens A. C. Sanders 2014-4-9 40998 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCR92045  Plagiobothrys collinus Scott D. White 1995-3-30 2666 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
  LA210032  Plagiobothrys collinus var. californicus L. Haines; L. Erickson 1937-4-9 Riverside near Winchester Comment
  RSA648063  Plagiobothrys collinus var. californicus Starr Streight 1982-4-17 36 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  SBBG128891  Plagiobothrys collinus var. fulvescens A. C. Sanders, T. W. Chumley 2013-4-2 40735 Riverside Temescal Cyn at W side of Horsethief Cyn Rd, S of I-15 Fwy, SE of Corona (Lee) Lake 390 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
  UC1608292  Plagiobothrys fulvus Steve Boyd and Tim Ross 1992-5-5 7247 Riverside grassland area s Oak Flats (sw of Bluewater Trail); southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  POM13871  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5092 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA543871  Plagiobothrys leptocladus Steve Boyd, Dave Bramlet 1991-5-13 6228 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture of N of Santa Fe RR tracks, W of San Diego Aqueduct Comment
  RSA388325  Plagiobothrys tenellus Steve Boyd 1986-5-7 1840 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA234044  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-12 37931 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR222298  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55209 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
  CHSC8393  Plantago Edward L. Smith 1958-3-22 410 Riverside Located in sand dunes 3 mi. s of Rice. Santa Maria Mts. 335 Comment
  RSA0135564  Plantago elongata R. E. Riefner 2017-4-2 17 -144 Riverside City of Hemet, W Hemet, S of W Florida Ave. (SR 74), SW ca. 0.35 mi from Lyn Ave and California Ave. 482 Comment
  UCR18533  Plantago lanceolata A. C. Sanders 1978-6-11 478 Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  UCD124517  Plantago major E. W. Lathrop 1966-5-8 6414 Riverside Santa Ana Mountains. 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  RSA727869  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 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
  POM312789  Plantago ovata var. fastigiata D. Taylor 1951-3-23 19 Riverside N of Blythe along Colorado River, Maria Mt Rang. 335 Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  SD133046  Plantago patagonica Scott White 1991-5-13 91 78 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR166079  Plantago patagonica S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 854 Comment
  UCR280925  Platanus racemosa Mitch Provance 2017-5-25 517- 64 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  JEPS29293  Platystemon californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8388 Riverside about 5 mi se Corona (just n of Bedford Canyon); eastern base of Santa Ana Mountains, n of Bedford Canyon 304 Comment
  RSA180244  Platystemon californicus E. W. Lathrop 1959-4-2 4434 Riverside 18 miles west of Murrieta. Comment
  RSA652524  Platystemon californicus Dolores Perez 1981-4-11 26 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  UC1228584  Platystemon californicus C. L. Hitchcock, C. V. Muhlick 1962-3-16 22163 Riverside 5 mi se Elsinore Comment
  UCR249824  Platystemon californicus T. B. Salvato, John Lovio 2013-3-19 7363 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UC2061636  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine St. at Peach Tree St. Comment
  CLARK-A1045-75  Plectritis ciliosa subsp. insignis George K. Helmkamp 1978-5-20 Riverside San Jacinto Mountains 2 miles east of Mountain Center; grassy slope; Idyllwild 15'Q Comment
  JEPS6894  Plectritis ciliosa subsp. insignis Marcus E. Jones, A. M. 1882-4-24 3167 Riverside San Jacinto Comment
  RSA414079  Pleuraphis rigida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7821 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA4953  Pleurocoronis pluriseta C. B. Wolf 1932-4-27 3045 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA648065  Pleurocoronis pluriseta J. C. Roos 1946-10-26 3141 Riverside Chuckwalla Mtns. Comment
  RSA709904  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA747988  Pleurocoronis pluriseta Scott D. White, Justin M. Wood 2009-4-28 12601 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC1929845  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside SONORAN DESERT: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajadas, washes, and mtn. foothils near powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR227002  Pleurocoronis pluriseta Jim Andre 2011-2-2 16223 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  RSA639702  Pluchea odorata Scott D. White 1998-12-2 7199 Riverside Temescal Canyon - Lake Elsinore area. 366 Comment
  UCR224463  Poa annua A. C. Sanders, T. B. Salvato 2011-3-28 38811 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  CAS-BOT-BC254571  Poa fendleriana subsp. longiligula H. M. H. 1901-5-17 1913 Riverside Santa Rosa Mountain 2590 Comment
  RSA740652  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA747875  Poa pratensis Justin M. Wood 2009-5-11 693 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR138764  Poa pratensis Scott D. White 1997-5-18 5163 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  RSA524229  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA700019  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  UCR2687  Poa secunda F. M. Reed 1905-2-26 671 Riverside Riverside, Arroyo Tequesquite, 1/8 mile east of the Victoria Clubhouse, bank of Arroyo Tequesquite 274 Comment
  POM19164  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside Temecula Canyon. Comment
  UC1929950  Polygonum aviculare subsp. depressum Scott D. White, Justin Wood 2008-6-16 12139 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UC489278  Polygonum bistortoides C. V. Meyer 1928-7-26 537 Riverside Deer Springs San Jacinto Mt. 2743 Comment
  RSA0065553  Polygonum lapathifolium var. lapathifolium T. C. Thomas 1974-8-19 s.n. Riverside Fairmont Park spillway. Santa Ana River. Comment
  UCR59663  Polypodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2952 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR199630  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA741557  Polypogon viridis Justin M. Wood 2008-9-30 169 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  IRVC169  Polystichum imbricans subsp. curtum Bruce Reynolds 1965-4-24 HS 557 Riverside Route 74; 1/4 mile S of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  UCR230922  Populus fremontii T. B. Salvato, Richard Camacho 2011-6-12 5474 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe Comment
  UCR125293  Populus nigra A. C. Sanders 2002-11-21 25634 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UC1446193 Image available Portulaca oleracea subsp. papillatostellulata A. Danin 1978-3-13 Riverside Palm Springs, Riverside Co. Comment
  JEPS396  Potamogeton diversifolius Carl V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  SEINET10543381  Potentilla David B. Dunn 1946-8-16 Dunn 2672 Riverside Open dry trail soil by jolly springs. San jacinto mts Comment
  UCR202447  Potentilla glandulosa Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR217560  Potentilla rimicola Jeff B. Galvin, Lee A. Ripma 2008-7-24 74 Riverside Peninsular Ranges, San Jacinto Mountains, south of Deer Springs drainage, between 7 Pines and Marion Mountain trails 2427 Comment
  RSA778115  Prenanthella exigua Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 930 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR35112  Proboscidea louisianica L. B. Ziegler 1967-7-10 185 Riverside Foothills of San Jacinto Mtns., wash 1.5 mi. west of Sage 671 Comment
  SBBG70929  Prunus emarginata R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UC12740  Prunus emarginata H. M. Hall July, 1901 Riverside Fuller's Mills Mountains, from w side Fuller's Mills Mountains; San Jacinto Mountains, Fuller's Mills Mountains 1584 Comment
  CAS-BOT-BC158294  Prunus fasciculata var. fasciculata Peter H. Raven 1958-5-5 12889 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  JEPS89201  Prunus fremontii Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-23 8366 Riverside 1.5 mi above and s of Seven Level Hill (at base of Black Hill, along state hwy 74, 11.5 mi above and s of beginning of hwy 74 at Palm Desert); Black Hill 911 Comment
  RSA78209  Prunus fremontii J. C. Roos, L. Roos 1953-3-21 5908 Riverside Mouth of Andreas Canyon, south of Palm Springs. 274 Comment
  UC729658  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek Canyon, just above fish hatchery, n base of San Jacinto Mountains Snow Creek Canyon; San Jacinto Mountains, Snow Creek Canyon 670 Comment
  RSA0039857  Psathyrotes ramosissima Duncan S. Bell, Evan Meyer 2014-4-2 6505 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA472316  Psathyrotes ramosissima H. S. Gentry 2152 Riverside West side of Colorado Desert -30 Comment
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Apr 8 2011
  UC68969  Psathyrotes ramosissima H. M. Hall May 1905 5864 Riverside Chuckawalla Springs Colorado Desert Comment
  SD193244  Pseudognaphalium beneolens A. C. Sanders, Kelly Volansky 2005-8-31 31595 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 0.5 mile north of Tenaja Road. 671 Comment
  RSA736540  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR117085  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato 2001-5-16 24302 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
  JOTR32526  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR116994  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2001-5-3 24103 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SBBG68078  Psorothamnus arborescens Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  CAS-BOT-BC354258  Psorothamnus arborescens var. minutifolius F. Almeda 1976-6-5 2822 Riverside 4-5 mi. N of Interstate Hwy #10 off Whitewater Canyon Comment
  UC128527  Psorothamnus arborescens var. simplicifolius Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  UCR216244  Psorothamnus arborescens var. simplicifolius Mike Bell 2008-3-19 046 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  JOTR31716  Psorothamnus emoryi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1525 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  POM1901  Psorothamnus emoryi J. S. Chase 1916-04 s.n. Riverside Palm Springs. Comment
  RSA403993  Psorothamnus emoryi H. S. Gentry 1936-1 6200 Riverside 15 mi. N of Desert Center 152 Comment
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Oct 13 2010
  UCR130872  Psorothamnus emoryi A. C. Sanders, K. C. Rose 1999-5-28 22795 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 4 Comment
  CAS-BOT-BC352325  Psorothamnus fremontii var. fremontii Robert F. Thorne 1964-5-3 33849 Riverside near hwy. ca. 4 miles S of Morongo Valley and ca. 3 miles S of San Bernardino County line Comment
  SEINET2063918 Image available Psorothamnus polydenius A. C. Sanders, B. G. Pitzer, B. L. Phillips 1988-10-15 8717 Riverside Mojave Desert, S edge of Fort Irwin Miltary Training Center, NE of Barstow, on E slope of Paradise Range, Lane Mtn. 15' Quad. 640 Comment
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Sep 13 2015
  CAS-BOT-BC340905  Psorothamnus schottii Street; Munz 1919-5-7 2749 Riverside Palm Springs 182 Comment
  CAS-BOT-BC340906  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-17 2193 Riverside Colorado Desert. Near Dos Palmas Comment
  OBI32603  Psorothamnus schottii A. C. Sanders 1983-4-24 3800 Riverside NW end of the Orocopia Mts along hwy 195 +- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the road enters the Box Cyn 366 Comment
  RSA404253  Psorothamnus schottii Robert Gustafson 1982-5-19 2560 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. 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
  UCSB3058  Psorothamnus schottii Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  JEPS41654  Psorothamnus spinosus Marjorie Clary Oct 1930 13 Riverside Coral Reef Ranch Coachella Valley -13 Comment
  RSA0019787  Psorothamnus spinosus April Garbat, Kristin Forgrave 2013-5-29 75 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA0112107  Psorothamnus spinosus Duncan S. Bell, Amanda Turek 2009-3-30 193 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCD108391  Psorothamnus spinosus Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCSB3065  Psorothamnus spinosus Keator, Glenn 1959-5-17 Riverside West edge of Colorado Desert between Palm Desert and Palm Springs Comment
  SEINET951768  Pteridaceae Norman C. Cooper 1944-1 1085 Riverside Andreas Canyon, Riverside County 457 Comment
  SFV13153  Pteridium aquilinum var. pubescens M. J. Thor 1982-9-17 144 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  POM48358  Pterospora andromedea P. A. Munz 1924-7-27 8795 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  SD158299  Pterospora andromedea Fritz Clark 1999-7-24 Riverside San Jacinto Mountains, Camp Marion, under pines 2438 Comment
  RSA171395  Pterostegia drymarioides J. D. Olmsted 1962-5-2 3466 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  SBBG89257  Pterostegia drymarioides J. Adams 1966-4-28 729 Riverside dirt rd from Murrieta to De Luz, Santa Rosa Plateau 762 Comment
  RSA0094465  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCR240624  Pyrola aphylla Tracy Tennant, Mitch Provance 1998-6-16 MOR- 412 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  SD260962  Quercus Mitch Provance 2012-4-20 412 36 Riverside San Timoteo Canyon, 0.8 mi south-southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd. / Oak Valley Parkway. 671 Comment
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  CAS-BOT-BC61821  Quercus agrifolia B. Trowbridge 1979-4-13 6074 Riverside ca. 5 miles west of Temecula off Hwy. 71 457 Comment
  UCR278560  Quercus agrifolia Mitch Provance 2012-7-28 712- 10 Riverside San Gorgonio Pass, Banning, Montgomery Creek and adjacent plateaus, south of Westward Ave., and west of Banning High School 695 Comment
  SD257284  Quercus agrifolia Mitch Provance, Jeremiah George 2012-8-4 812 44 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Portrero 751 Comment
  RSA559451  Quercus agrifolia var. agrifolia Steve Boyd, T. S. Ross 1992-5-5 7217 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR161944  Quercus agrifolia var. oxyadenia Mike Misenhelter 2005-9-9 s.n. Riverside San Bernardino Mtns., northeast of intersection of Basil Lane and Butterfly Drive, just south of Wildwood Canyon Road, north of Cherry Valley 1052 Comment
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  SDSU13905  Quercus berberidifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2130 Riverside Santa Margarita Ecological Reserve (SDSU), southeast region, El Valle meadow. 648 Comment
  UCD162842  Quercus berberidifolia D. O. Burge 2015-3-17 1692 Riverside Rainbow area. 410 Comment
  UCD45293  Quercus berberidifolia K. R. Montgomery 1969-7-9 69 29 Riverside Elevation 3500', Wilson Valley, 18 miles south of Hemet, Riverside County, California. 1066 Comment
  UCR273002  Quercus berberidifolia Mitch Provance 2012-9-13 912- 02 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  RSA526499  Quercus chrysolepis Steve Boyd, T. S. Ross 1990-5-11 4694 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA503824  Quercus cornelius-mulleri M. B. Dunkle 1933-5-6 3378 Riverside Dry Morongo Creek. Comment
  UCD45615  Quercus cornelius-mulleri Mary L. Bowernan 1946-4-15 4101 Riverside Joshua Tree National Monument, Live Oak Tank (3 mi. W. of junction of Keyes Point and Pinto Basin Highway), adjacent to wash (20 feet from #4100, an aberrant oak tree). Comment
  UCR54431  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8719 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  CAS-BOT-BC257626  Quercus dumosa P. S. Manos 1988-10-27 676 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  UCR161009  Quercus engelmannii John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  LA205319  Quercus kelloggii Bruce Freeman; 1969-3-25 690325 -3 Riverside San Jacinto Mountains, James Reserve Comment
  CAS-BOT-BC104995  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  CAS-BOT-BC104996  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside Idyllwild Area: N of Strawberry Valley, between Bear Trap Cyn and Lily Creek 1615 Comment
  UC1010264  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mts. 518 Comment
  UCSB1285  Quercus wislizeni var. wislizeni White, Arthur 1960-5-14 Riverside Road between Banning and Idyllwild, 7 mi. S of the intersection with Hwy. 70 & 99, 75 yds. SE of road Comment
  UCR174150  Rafinesquia californica A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32525 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA663886  Rafinesquia neomexicana C. R. Annable 1995-3-9 2253 Riverside ca. 14.5km NW of Palm Springs. N slope of Whitewater Hill. Comment
  UCR244321  Rafinesquia neomexicana Jim Andre 2012-4-16 20925 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  UCR279567  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-29 43176 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  SEINET3159744  Ranunculus alismifolius F. M. Reed 1908-7-12 2519 Riverside San Jacinto mountains Comment
  RSA357768  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1973-5-23 43839 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  CAS-BOT-BC378491  Ranunculus californicus var. californicus E. W. Lathrop 1960-4-8 4745 Riverside 14 mi west of Murrieta Comment
  UCR172754  Ranunculus sceleratus Abby Sirulnik 2000-5-7 36 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. south of Poppet Flat Road. W side of Lake Fulmor 1616 Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  UCR102732  Rhamnus crocea B. G. Pitzer 1998-1-25 3422 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  OBI52784  Rhamnus ilicifolia Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck trl 381 Comment
  UCR53758  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 18 Riverside Southern Mojave Desert, Near Split Rock, Joshua Tree National Monument Comment
  SD229133  Rhododendron occidentale Dick Schwenkmeyer 2012-8-28 828 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  HSC99159  Rhus aromatica Paul J. CaraDonna 2008-1 124 Riverside Jumbo Rock Campground, N of site 78, Joshua Tree National Park. 1329 Comment
  CAS-BOT-BC167967  Rhus ovata Gordon H. True 1977-1-11 8106 Riverside Hills between Hemet and Aguanga Post Office 609 Comment
  RSA776283  Rhus ovata Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 885 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  RSA714380  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA523482  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  POM15061  Ribes malvaceum var. viridifolium Mary F. Spencer 1922-4-22 1887 Riverside Canyon Prope [near] Banning 701 Comment
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Mar 13 2011
  CAS-BOT-BC219233  Ribes nevadense Nancy Ryan Zabriskie; Walter Zabriskie 1971-5-16 406 Riverside Beside Banning Road below Pine Cove, W slope San Jacinto Mountains 1524 Comment
  RSA557888  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 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
  UCR217664  Romneya coulteri Ana Hernandez, Jeff B. Galvin 2010-5-6 020 Riverside Santa Ana Mountains, At the mouth of Rice Canyon on East Horsethief Trail next to riparian drainage 494 Comment
  UCR235073  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region, hills between I-15 and Temescal Canyon Rd., 0.22 km south (178 deg. ) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake 325 Comment
  RSA618368  Romneya coulteri var. trichocalyx D. L. Banks 1997-6-16 2060 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Pechanga Road, approximately 20 m south of the intersection of Hunter Lane and Moreno Road. 377 Comment
  UCR156614  Rorippa sphaerocarpa T. B. Salvato, A. C. Sanders 2005-5-17 904 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
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Feb 18 2009
  RSA544411  Rosa californica Steve D. Boyd, Tim S. Ross 1991-6-14 6379 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA720435  Rosa californica Naomi S. Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1698 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1616 Comment
  CAS-BOT-BC158733  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  UCR125221  Rumex crispus Mitch Provance 1998-5-29 558 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  SD239867  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range: foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mile west of Lake St. on north side of I-15, near Temescal Canyon Road undercrossing, at north edge of Concordia Ranch Road (Alberhill 7.5'Q) 370 Comment
  UCR132909  Rumex salicifolius John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR150028  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR41218  Rumex salicifolius var. denticulatus N. M. Fellows, A. C. Sanders 1985-5-7 176 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA737229  Salicornia virginica Justin M. Wood 2008-9-22 149 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM319629  Salix exigua Patricia Wilder 1971-11-11 5294 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UC634546  Salix exigua Margaret Stason 1927-3-12 Riverside Thousand Palms; Colorado Desert Comment
  JOTR31070  Salix exigua var. hindsiana La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2052 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  UC4990  Salix exigua var. hindsiana Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC108114  Salix gooddingii Ivan Johnston 1917-4-4 1056 Riverside Palm Canyon - Colorado Desert 457 Comment
  POM184883  Salix gooddingii Carl. W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert. Comment
  UCR270191  Salix gooddingii A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42412 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
  RSA707986  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR232067  Salix laevigata John F. Green 2008-4-24 13- 05 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR25939  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  UCR100293  Salix lasiolepis B. G. Pitzer 1997-4-20 3179 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  CAS-BOT-BC126317  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR45197  Salsola paulsenii A. C. Sanders 1986-5-10 6497 Riverside Western Colorado Desert, Coachella Valley, mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 mi south of Mecca -70 Comment
  UC908107  Saltugilia australis Frank W. Peirson 1921-3-22 4136 Riverside Murray Canyon Colorado Desert, Murray Canyon Comment
  UC52475  Saltugilia splendens subsp. splendens H. M. Hall Aug 1896 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  UCR11221  Salvia X bernardina Dennis E. Kucera 1970-4-14 s.n. Riverside Peninsular Range; Moreno Valley, Residence of D.E. Kucera at 11681 Dalehurst Road, Sunnymead 625 Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. Comment
  UCR214322  Salvia apiana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38382 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR94650  Salvia apiana Scott D. White 1996-5-27 4070 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  HSC14332  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  POM305796  Salvia columbariae Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1063 Riverside Corona-Elsinore. Comment
  RSA340149  Salvia columbariae Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54025 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  SDSU18372  Salvia columbariae C. Matt Guilliams 2008-2-21 463 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. 418 Comment
  UC1979530  Salvia columbariae Darin L. Banks, Steve Boyd 1995-4-5 133 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. Comment
  UCR251346  Salvia columbariae S. J. Myers 2014-5-21 1069 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA613429  Salvia mellifera D. L. Banks 1997-4-5 1663 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  SBBG120625  Salvia mellifera A. C. Sanders, T. B. Salvato, K. Volansky, M. Balk 2006-5-24 32530 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 579 Comment
  UCR120296  Salvia mellifera Mitch Provance 1998-2-13 16 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR124652  Salvia mellifera B. C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  UCR155322  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-3-23 29250 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  CAS-BOT-BC224865  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert 1402 Comment
  SEINET10643229  Sambucus caerulea Greg Gust, Leith Nye 2005-3-10 Gust 533 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  CHSC203  Sambucus mexicana Sonia R. Westerberg 1938-4-17 Riverside Lake Elsinore Comment
  UCR240998  Sambucus mexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 19 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  POM305803  Sanicula arguta Henry J. Ramsey, Henry J. Ramsey 1937-4-2 I- 56 Riverside Elsinore. Comment
  POM9015  Sanicula bipinnatifida P. A. Munz, Harwood 1920-3-20 3382 Riverside 5 miles S of Corona. 305 Comment
  UC796594  Sanicula graveolens LeRoy Abrams 1901-6-15 1840 Riverside Santiago Peak Comment
  UCR218473  Sarcostemma hirtellum Jim Andre, T. La Doux 2009-3-10 11250 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  CSUSB57  Schinus molle Peggy Merritt 1972-5-5 Riverside Lot on NE corner of Park and 7th streets. Dry waste place. Comment
  SEINET6809369  Schinus molle John Thieret, Brandenburg, David 1982-6-5 53095 Riverside Rancho Mirage; Rancho Mirage Comment
  RSA778242  Schismus arabicus Duncan S. Bell 2009-3-8 47 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET3197218 Image available Schismus arabicus Andrew C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q) 130 Comment
  UCR224465  Schismus barbatus A. C. Sanders, T. B. Salvato 2011-3-28 38813 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  SEINET11681573  Schismus barbatus Unknown 1936-1 12842 Riverside Colorado Desert 5 mi N of Palm Springs Comment
  SDSU13637  Schoenoplectus americanus W. Miller, C. Mosse 1972-7-11 Riverside Comment
  POM1416  Scirpus microcarpus L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA752879  Scirpus microcarpus Orlando Mistretta 2009-7-10 3999 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  UCR241635  Scrophularia californica T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 351 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  POM184168  Scrophularia californica subsp. floribunda Philip A. Munz 1932-3-24 12029 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  CAS-BOT-BC237865  Scrophulariaceae Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  CAS-BOT-BC341100  Scutellaria mexicana R. F. Hoover 1966-10-15 10176 Riverside Bighorn Drive, San Jacinto Mts. Comment
  UCSB10512  Scutellaria mexicana Haller, Norman 1953-5-24 Riverside 11 miles So. of Palm Springs; Indio Rd; Palms to Pines Hiwy. 74 914 Comment
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Nov 19 2014
  UCR151435  Scutellaria tuberosa D. L. Banks 1997-3-5 1704 Riverside Palomar Mtns., Agua Tibia Mtns: Agua Tibia Wilderness Araea. south of Dorland Mtns. just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  RSA543296  Selaginella bigelovii Steve Boyd 1991-3-17 5515 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR261512  Selaginella bigelovii Joseph Cahill 2011-1-8 111- 23 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR7779  Selaginella bigelovii Pat Halligan 1968-4-19 s.n. Riverside San Bernardino Valley Region, Riverside, Box Springs Mtns, NW slope of Sugarloaf Mountain Comment
  RSA5022  Senecio californicus Dorothy R. Wolf 1932-3-20 22 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  UCR1622  Senecio californicus Leland R. Dykes 1962-4-1 14 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  CAS-BOT-BC323970  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  RSA0121006  Senecio mohavensis Duncan S. Bell, LeRoy Gross 2016-3-8 8827 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  UCR244881  Senecio mohavensis Jim Andre 2012-3-19 21389 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR139037  Senecio vulgaris D. L. Banks, V. W. Steinmann 1997-3-13 1427 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR91493  Senecio vulgaris Scott D. White 1995-4-5 2706 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SD48392  Senegalia greggii E. K. Balls, P. C. Everett 1957-8-20 22664 Riverside Morongo Pass, 8.75 miles north along the road to 29 Palms from the junction with US Hwy 60/70/99, in dry rocky wash & cliffs 640 Comment
  RSA387357  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
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Jan 6 2008
  UCR4568  Setaria parviflora O. F. Clarke 1959-8-6 590806- 01 Riverside Riverside, residence of O.F.Clarke, 1012 Spruce St. 300 Comment
  CSUSB592  Sidalcea malviflora Ray O. Perez 1955-5-20 Riverside Lake Hemet Lake Hemet- north shore Comment
  POM282905  Sidalcea malviflora Lyman Benson 1932-3-26 3182 Riverside Summit Temecula Grade. 610 Comment
  SEINET273044  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 Riverside Lake Skinner area; near N foot of Black Mtn slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  POM13148  Sidalcea malviflora subsp. sparsifolia P. A. Munz, I. M. Johnston 1922-5-19 5428 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA741171  Sidalcea malviflora subsp. sparsifolia Scott D. White, Justin M. Wood 2008-5-15 12007 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  CAS-BOT-BC109425  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  CAS-BOT-BC109426  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  SD116584  Sidotheca trilobata Barbara Ertter, Jeffrey Strachan 1980-5-21 3479 Riverside Santa Rosa Mountain road (Forest Road 7S02) 2.9 miles south of Highway 74 (Pines to Palms Highway) 1676 Comment
  CAS-BOT-BC174888  Silene laciniata J. C. Roos 1965-6-19 s.n. Riverside Sky Line Drive, south of Corona. Santa Ana Mtns. Comment
  RSA78303  Silene parishii var. viscida P. A. Munz, E. K. Balls 1952-8-21 17977 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UC1292202  Silene verecunda subsp. platyota F. C. Vasek 1957-9-29 Riverside jct Highway 74 about 6 mi e Hemet (3.4 mi s and e of Highway 74); Bautista Canyon, e of Hemet 487 Comment
  UCR205288  Silene verecunda subsp. platyota Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1701 Riverside San Jacinto Mountains, junction of Dark Canyon and Fuller Mill Creek 1585 Comment
  CAS-BOT-BC202939  Simmondsia chinensis Ivan Johnston 1917-4-4 1081 Riverside Palm Canyon 365 Comment
  CHSC171  Simmondsia chinensis M. Anthony 1954-4-15 Riverside Near Joshua Tree Mon. Comment
  RSA597462  Simmondsia chinensis Louis C. Wheeler 1959-12-27 7651 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SEINET7248312  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2014-1 6288 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA593693  Sinapis arvensis Steve Boyd, Dave Bramlet 1996-4-19 8633 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southeastern of the Bernasconi Hills in the San Jacinto River floodplain, ca 0.5 mi NE of Lakeview Hot Springs, just N of Ramona Expressway on the W side of the river. 432 Comment
  GMDRC6571  Sisymbrium altissimum J. M. Andre 2012-6-15 30527 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA431722  Sisymbrium altissimum N. C. Cooper 1944-4-23 1098 Riverside Banning 701 Comment
  RSA612612  Sisymbrium altissimum D. L. Banks, Victor Steinmann 1997-3-13 1497 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
  RSA65838  Sisymbrium altissimum F. W. Peirson 1922-4-22 5331 Riverside Field S of Lake Elsinore. Comment
  UCR265596  Sisymbrium irio Jordan Zylstra 2014-3-18 14006 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA0108980  Sisymbrium orientale Duncan S. Bell, Amanda Bell 2012-1-29 3081 Riverside North of the Arica Mountains; northwest section of Rice Valley; collecting at the ghost town of Rice along Highway 62. 284 Comment
  SD187387  Sisymbrium orientale Scott D. White, Angelia Carey 2004-5-7 10327 Riverside Indian Creek and adjacent foothills. 548 Comment
  UCR176190  Sisymbrium orientale Amber Bruno 2005-4-14 15 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
  CDA5922  Solanum americanum Scott D. White 1998-6-28 6789 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  POM319104  Solanum americanum Patricia Wilder 1970-10-15 4754 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  CAS-BOT-BC231747  Solanum lanceolatum A. C. Sanders; O. F. Clarke; R. Allert 1984-7-18 5110 Riverside Riverside, in a vacant field northeast of the intersection of Tyler and Cypress Avenue 304 Comment
  RSA125534  Solanum umbelliferum R. Weatherby 1949-6-6 215 Riverside Mtn. spring, Santa Rosa Mtn. 1982 Comment
  RSA125555  Solanum umbelliferum R. Weatherby 1949-5-21 491 Riverside Between Raduc and Hemet. 610 Comment
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May 29 2013