Search Results — 2000 specimen records retrieved (1904 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
  RSA0077541  Abies concolor G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  CAS-BOT-BC229333  Abronia villosa J. Von Loh 1978-1-23 3297 Riverside Palo Verde Mesa, 12 mi SW of Blythe 121 Comment
  CAS-BOT-BC229342  Abronia villosa Scott D. White 1996-4-14 3913 Riverside Perris Basin. 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
  CSUSB1069  Abronia villosa Dave Cerf 1971-4-18 Riverside White Water; Painted Hill- 2 miles north of White Water Canyon. 396 Comment
  CSUSB1082  Abronia villosa Sally Bell 1964-3-15 Riverside Cathedral City, in dry wash about 300 yards behind Travel Lodge Trailor Park off Highway 111. 91 Comment
  UC1392988  Abronia villosa R. F. Hoover 1969-4-14 11232 Riverside Just s of s city limit; Palm Springs Comment
  UCD109830  Abronia villosa Lewis S. Rose 1967-12-20 67184 Riverside 6 mi. se. of Thousand Palms. 9 Comment
  RSA68330  Abronia villosa var. aurita G. R. Campbell 1951-5-30 16148 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  RSA773658  Abronia villosa var. aurita Duncan S. Bell, Joy England 2010-10-5 1977 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  UCR2872  Abronia villosa var. aurita N. J. Matthews 1963-5-9 50963- 4 Riverside San Jacinto River Valley, Valle Vista, 45366 Highway 74, east of Hemet 549 Comment
  UCR59503  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  JEPS64729  Acacia greggii W. L. Jepson 1914-5-18 6021 Riverside n of Indio (Colorado Desert, Cottonwood Mountains, County Well); Colorado Desert, Cottonwood Mountains, County Well Comment
  CAS-BOT-BC177004  Acacia redolens A. C. Sanders; T. B. Salvato 2001-3-30 23856 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. ina Colada 366 Comment
  CAS-BOT-BC30949  Acamptopappus sphaerocephalus P. H. Raven 1958-5-18 12996 Riverside along State Highway 74, 4.9 miles north-east of Pinon Flats, San Jacinto Mountains Comment
  RSA0117838  Acamptopappus sphaerocephalus var. sphaerocephalus Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7803 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  SBBG7491  Acamptopappus sphaerocephalus var. sphaerocephalus H. and M. Dearing 1939-12-31 4044 Riverside N of Palm Springs Comment
  RSA221022  Acer macrophyllum E. W. Lathrop 1966-3-30 6129 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  SBBG122757  Achnatherum coronatum A. Parikh 1990-5-10 165 Riverside S shore of Diamond Valley Lake, 3.4 km S of jct of Warren and Simpson Rds, 4.9 km E of Winchester Rd 543 Comment
Read comments
Apr 23 2011
  CAS-BOT-BC389742  Achnatherum hymenoides M. Danielson 1963-12-23 s.n. Riverside Garnet Dunes Comment
  RSA741606  Achnatherum parishii subsp. parishii Scott D. White, Justin M. Wood 2008-6-16 12132 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  CHSC35868  Achnatherum speciosum Paul Bailey 1972-5-14 127 Riverside 6 miles NW of Aguanga near Hwy R-3 in Lancaster Valley. 365 Comment
  CAS-BOT-BC384738  Achyronychia cooperi LeRoy Abrams 1903-4-6 3206 Riverside Palm Springs Comment
  RSA423485  Achyronychia cooperi F. R. Fosberg 1932-3-13 8076 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA423498B  Achyronychia cooperi Robert L. Dressler 1949-3-19 387 Riverside Box Canyon, Orocopia Mts. Comment
  UCR214874  Achyronychia cooperi A. C. Sanders 2010-3-15 37388 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
  SD37813  Acmispon argophyllus var. argophyllus Edith A. Purer 1935-4-21 6475 Riverside Near Palm Springs, western edge of the Colorado Desert Comment
  JOTR31171  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  OBI39886  Acmispon glaber var. brevialatus M. Rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 208 Riverside Big Morongo Preserve. S of Morongo Valley. Main cyn where it opens into the Coachella Valley 503 Comment
  SD73624  Acmispon rigidus Helen V. Witham 1970-4-29 824 Riverside 22 miles east of Lake Hemet. 1299 Comment
  UCSB54191  Acmispon rigidus McKinley, Gale 1985-3-26 Riverside 1/4 mile east of site #9 in Ryan Campground in boulder area in Joshua Tree National Monument 1310 Comment
  CAS-BOT-BC226246  Acmispon strigosus A. C. Sanders 2011-4-6 38995 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
  POM10280  Adenostoma sparsifolium Wilder 1908-08 s.n. Riverside San Jacinto Mountains. Comment
  RSA596113  Adenostoma sparsifolium D. L. Banks 1996-11-7 1200 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  UC12021  Adenostoma sparsifolium Prof. Bernard Moses 1897-1-1 Riverside Hemet 762 Comment
Read comments
Mar 24 2011
  CAS-BOT-BC69643  Adiantum capillus-veneris Dr. Emmet Rixford 1917-4-17 s.n. Riverside Coachella Valley. Comment
  RSA687674  Adiantum capillus-veneris L. C. Wheeler 1933-12-1 2295 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UCR41242  Adiantum capillus-veneris N. M. Fellows, A. C. Sanders 1985-4-9 140 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  POM870  Adiantum jordanii O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA496653  Adiantum jordanii L. F. LaPre, J. Easton 1988-1-27 s.n. Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta. Comment
  SEINET5641184  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28521 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UC1130644  Agrostis alba H. S. Yates 1936-8-29 6374 Riverside Idlewild San Jacinto Quadrangle Comment
  CAS-BOT-BC139356  Agrostis idahoensis H. M. Hall 1901-7-1 2363 Riverside San Jacinto Mountains. Tahquitz Valley. 2438 Comment
  POM14449  Agrostis idahoensis P. A. Munz 1922-9-6 6399 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UCR96424  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA696215  Allenrolfea occidentalis Anonymous s.n. Riverside Colorado Desert. Comment
  UC116545  Allenrolfea occidentalis T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  UC1280904  Allenrolfea occidentalis H. E. McMinn 1937-3-6 5016 Riverside River Rd. ca. 20 mi. n. of Blythe Comment
  RSA462622  Allionia incarnata Albert J. Perkins 1916-4-15 s.n. Riverside Palm Springs. Comment
  RSA69992  Allionia incarnata F. W. Peirson 1922-12-28 5221 Riverside Andreas Canyon near Palm Springs Comment
  OBI30459  Allium haematochiton J. C. Roos 1966-3-24 s.n. Riverside Bundy Cyn Rd E of Elsinore Comment
  UCR256903  Allium haematochiton LeRoy Gross, Duncan S. Bell 2013-4-30 6022 Riverside Peninsular Range; San Jacinto Mtns., Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W and ended at 33.72912N 116.75098W 1556 Comment
  RSA543618  Allium munzii Steve Boyd 1991-5-7 6153 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA559944  Allium munzii Steve Boyd 1992-4-18 6905 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  RSA747571  Allium munzii Michael Honer 2003-4-11 1822 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 600 m NE and downslope of peak 2349 . 640 Comment
  UCR42428  Allium munzii Steve Boyd 1986-5-7 1827 Riverside Peninsular Range, Temescal Canyon, S slope of Alberhill Mountain 427 Comment
  POM178119  Allium praecox Marcus E. Jones 1929-4-6 26594 Riverside Norco Comment
Read comments
Mar 6 2011
  UCR49258  Allium praecox Steve Boyd 1986-4-2 1625 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR142694  Allophyllum Scott D. White, Et al. 1995-6-16 3332 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR156098  Allophyllum glutinosum T. B. Salvato, Kent Beaman 2005-5-16 841 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
  UCR92338  Allophyllum glutinosum Scott D. White, M. D. Wilcox 1995-7-13 3478 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA535475  Alnus rhombifolia Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  UC729541  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside 1/2 mi below Fish Hatchey (n base of mts.); San Jacinto Mts., Snow Creek Canyon 548 Comment
  RSA801724  Alopecurus pratensis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6167 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  UCR85527  Alopecurus saccatus Scott D. White 1993-4-25 1273 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
Read comments
Dec 21 2010
  JOTR35164  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 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
  SD175786  Amaranthus albus D. G. Kelch 2006-12-8 06 523 Riverside Santa Rosa Plateau, roadside. Comment
  UCR148485  Amaranthus blitum John F. Green 2005-1-25 s.n. Riverside San Bernardino Valley, Mira Loma area, just south of the San Bernardino county line near Ontario, north of Cloverdale Rd. between Harrison Ave. and Archibald Ave. 197 Comment
  UCD97222  Amaranthus fimbriatus Geoffrey Levin 1976-11-26 1191 Riverside Box Canyon, about 11 miles E of Mecca. 91 Comment
  UCR59715  Amaranthus fimbriatus A. C. Sanders 1989-9-19 9508 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA0093772  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR278799  Ambrosia confertiflora Arlee Montalvo, Erika Presley, Shani Pynn 2016-10-12 672 Riverside Temescal Valley; restored portion of wash in Dos Lagos - Temescal Wash Conservation Easement through Dos Lagos Golf Course, just N of main bridge below golf club, E of intersection of Temescal Canyon Dr. & Cabot Dr. 260 Comment
  CAS-BOT-BC22382  Ambrosia dumosa Howard E. McMinn 1924-7-5 1257 Riverside Oasis to Indio - Col(orado) Desert Comment
  CAS-BOT-BC22585  Ambrosia dumosa F. H. Billings 1926-2-6 23 a Riverside near Palm Springs Comment
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  POM41505  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SEINET735848  Ambrosia dumosa L. R. Landrum 1998-12-24 9367 Riverside West Palm Springs exit of Hwy 10 across street from Motel 6 in small remnant of desert vegetation. Comment
  UC1922419  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA90532  Ambrosia dumosa S. Carlquist 1958-3-30 425 Riverside 2 miles west of palm Springs, on Palm-Springs-Cabazon road. Comment
  RSA737349  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC1605396  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside San Mateo Canyon at confluence with Bluewater Canyon; Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  UCR174457  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32374 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  SBBG100464  Ambrosia salsola var. salsola W. L. Halvorson 1977-3-8 77 -76 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  UC68914  Ambrosia salsola var. salsola H. M. Hall 1905-5-1 5983 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR266818  Ammannia coccinea D. E. Bramlet 2005-7-13 3891 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR79469  Amorpha californica Steve Boyd, T. S. Ross 1992-5-15 7403 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero 671 Comment
  RSA450174  Amorpha fruticosa J. C. Roos 1966-5-5 s.n Riverside Gilman Hot springs, San Jacinto Valley. Comment
  UCR94248  Amorpha fruticosa Scott D. White 1996-4-14 3924 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA0089608  Amsinckia intermedia D. L. Banks, S. D. Boyd 1995-5-3 242 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD240913  Amsinckia intermedia Dave Silverman, Jeanette Duffels 2010-3-23 7821 Riverside Dunes at SSE tip of Palen Dsry Lake, on km SW of Palen Dunes Drive, 4.2 km N of I-10, 7.4 km ESE of Sidewinder Well. 130 Comment
  UC56849 Image available Amsinckia intermedia H. M. Hall 1902-4-1 2891 Riverside vicinity Winchester; Diamond Valley; Diamond Valley, Riverside Co. 548 Comment
Read comments
Mar 20 2011
  UCR162641  Amsinckia intermedia 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
  UCR4103  Amsinckia intermedia Ronald M. Cope 1965-3-5 S.N. Riverside valley 0.5 mi west of where Gage Canal goes underground after having crossed Le Conte Drive Comment
  UCR97027  Amsinckia intermedia Scott D. White 1997-2-28 4707 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SBBG119454  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Alberhill Mtn, NW foot near Lake St at Alberhill 378 Comment
  UCR93051  Amsinckia menziesii var. menziesii Steve Boyd 1986-4-2 1617 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0091445  Amsinckia tessellata F. W. Peirson 1919-4-13 995 Riverside Alkali Canyon, first canyon east of Palm Canyon near Palm Springs. 381 Comment
  UC68710  Amsinckia tessellata var. tessellata H. M. Hall Apr. 1905 5860 Riverside Canyon Springs; Colorado Desert Comment
  POM11976  Amsonia brevifolia var. tomentosa Philip A. Munz, D. D. Keck 1922-4-9 4844 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
Read comments
May 28 2011
  UC878737  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UCR139040  Anagallis arvensis D. L. Banks, V. W. Steinmann 1997-3-13 1414 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
  RSA559934  Ancistrocarphus filagineus Steve Boyd 1992-4-18 6903 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  UC56664  Anemopsis californica H. M. Hall 1897-5-31 594 Riverside Southern California, Riverside Riverside; Southern California, Riverside Comment
  RSA761266  Angelica Shawn Krosnick, Naomi Fraga, Lucinda A. McDade 2010-8-14 665 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JOTR31993  Anisocoma acaulis La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2223 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  SEINET9323908  Antheropeas lanosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  JEPS83435  Antirrhinum coulterianum David M. Thompson 1983-5-6 294 Riverside 1.9 mi e Aguanga, junction of Hwy. 79 and Hwy. 371, off Hwy. 79 (0.4 mi up wide gravel/dirt road); Aguanga, Aguanga Quad. (7.5', 1954) 792 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
  SD167043  Antirrhinum coulterianum S. J. Myers, John Green 2003-4-4 Riverside San Jacinto Mountains: Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UC284974  Antirrhinum coulterianum P. A. Munz 1923-6-14 7106 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 914 Comment
Read comments
Apr 1 2013
  CLARK-A1528-4165  Antirrhinum nuttallianum John C. Roos 1937-5-2 1398 Riverside La Sierra Comment
  CLARK-A1528-5198  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  UCR280933  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617- 09 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  UC64224  Antirrhinum nuttallianum subsp. nuttallianum H. M. Hall 1897-6-1 Riverside Riverside foothills Riverside Comment
  UCR174458  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 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
  CSUSB63  Apium leptophyllum Debbie Vigneault 1974-7-8 s.n. Riverside Santa Ana River Santa Ana River bottom, near Van Buren Blvd. 259 Comment
  UCR97437  Apocynum cannabinum G. R. Ballmer, K. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  UCR278861  Aptenia cordifolia Mitch Provance 2011-6-15 17103 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  UC9006  Aquilegia formosa H. M. Hall July 1901 Riverside San Jacinto Mtns 1524 Comment
  UCR193755  Aquilegia formosa A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35645 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA0126209  Arabis glabra P. A. Munz 1922-6-23 5769 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA0126304  Arabis hirsuta var. glabrata Orlando Mistretta 2009-7-10 3997 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
  RSA740235  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 -C Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA0128829  Arabis sparsiflora A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35611 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  RSA629161  Arctostaphylos Jon E. Keeley 1992-7-17 16798 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629372  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16859 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629414  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19501 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SDSU18353  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 370 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  POM158433  Arctostaphylos glauca P. A. Munz 1927-5-21 10852 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA1541  Arctostaphylos glauca B. D. Stark 1930-2-21 1472 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA631816  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21805 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  UC21882  Arctostaphylos glauca H. M. Hall 1901-6 Riverside Tauquitz Valley San Jacinto Mountains 1828 Comment
  UCR63999  Arctostaphylos glauca Richard Minnich 1990-8-23 s.n. Riverside Lakeview Mtns., off Juniper Springs Road near Juniper Springs 640 Comment
  UCR93093  Arctostaphylos glauca Scott D. White 1995-12-24 3801 Riverside Lakeview Mtns, c. 7 road mi. SE of Davis Road - Ramona Expressway intersection 671 Comment
  RSA228813  Arctostaphylos glauca var. glauca Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 589 Riverside Cleveland National Forest. 5 mi. south of Lake Elsinore along Forest Route 7S04. Comment
  RSA633702  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16672 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633757  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16707 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633758  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16694 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  UC21884  Arctostaphylos patula H. M. Hall 1901-6 2312 Riverside near Tahquitz; San Jacinto Mountains 2286 Comment
  CAS-BOT-BC434238  Arctostaphylos pringlei Tracy Tennant; Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  POM367417  Arctostaphylos pringlei subsp. drupacea Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  POM367418  Arctostaphylos pringlei subsp. drupacea Joseph A. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild. 1677 Comment
  RSA1789  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  SEINET2028711 Image available Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry valleyu, 1.5 miles from Idyllwold on road to Banning, San Jacinto Mountains 1710 Comment
  UCSB12964  Arctostaphylos pringlei subsp. drupacea Tinnin, Robert 1962-5-5 Riverside 20.5 miles south of Banning on highway to Idyllwild 1767 Comment
  CSUSB1373  Arctostaphylos pringlei var. drupacea Sue Freeman 1966-4-30 Riverside San Jacinto Mountains San Jacinto Mountains. Along Fuller Mill Creek in Yellow Pine Forest. 1523 Comment
  RSA635780  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16733 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  UCR201630  Arctostaphylos pungens Scott D. White, Justin M. Wood 2008-6-16 12119 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  LA212121  Arctostaphylos tomentosa Elliott Waite; 1950-4-30 s.n. Riverside Vandeventer Flats. 1523 Comment
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  CAS-BOT-BC207119  Argythamnia lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center Comment
  CAS-BOT-BC207123  Argythamnia lanceolata Lewis S. Rose 1959-1-8 59001 Riverside La Quinta 15 Comment
  CAS-BOT-BC137648  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Martinez Canyon, Santa Rosa Mountains. 365 Comment
  JOTR31934  Aristida adscensionis La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2172 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA718837  Aristida adscensionis Michael Honer, L. Hulse 2005-3-8 2043 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  UCR198199  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1916 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR252607  Aristida adscensionis T. B. Salvato, Matthew Malle 2013-4-15 7538 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 1.10 mi northeast of the junction of Lake Street and Hwy I-15 567 Comment
  RSA740945  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2008-6-17 12189 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UC815632  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside 1/2 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 548 Comment
  UCR112019  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR2163  Aristida purpurea var. parishii F. M. Reed 1927-3-19 5440 Riverside Sonoran (Colorado) Desert, upper fork of Salt Creek Wash [east of the Salton Sea] 549 Comment
  CAS-BOT-BC90192  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  UCR275357  Artemisia douglasiana T. B. Salvato, Melissa Clemons 2005-6-9 1500 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  CAS-BOT-BC90576  Artemisia dracunculus Parish 1901-1 15951 Riverside Strawberry Valley Comment
  JOTR34155  Artemisia dracunculus Harding, Mitzi, M. Wheeler 2013-9-21 83 Riverside Joshua Tree National Park. Queen Valley; SE of Barker Dam, near Wall Street Mill parking area 1304 Comment
  RSA692227  Artemisia dracunculus Scott D. White 2003-10-9 9823 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR277729  Artemisia dracunculus Mitch Provance 2012-10-15 1012- 06 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  RSA289831  Artemisia ludoviciana subsp. albula B. A. Prigge 1980-8-25 4025 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific R.R. 451 Comment
  RSA417412  Artemisia tridentata H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  UCR6699  Arthrocnemum subterminale O. F. Clarke, Sue Freeman 1967-11-3 s.n. Riverside Perris Basin, c. 3 mi. north of Lakeview & c. 3 mi. SSE of Moreno 434 Comment
  SEINET10455446  Asclepias David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2870 Riverside Pushawalla canyon, indio hills. On dry plateau; channel .5 mi. Nw. Comment
  JEPS5536  Asclepias albicans Marjorie D. Clary 1932-4-12 178 Riverside 8 mi sw Coachella; Colorado Desert, Santa Rosa Mts. 152 Comment
  POM3353  Asclepias californica P. A. Munz 1918-4-27 2151 Riverside Temescal Canyon Comment
  RSA0104763  Asclepias californica D. L. Banks 1995-4-11 176 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 829 Comment
  UC111252  Asclepias californica H. M. Hall Apr. 1897 Riverside Temecula Ck. Nigger Jim Canyon Comment
  POM305400  Asclepias erosa Henry J. Ramsey, Henry J. Ramsey 1939-10-1 700 Riverside West of Blythe. Comment
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Mar 6 2013
  SBBG5710  Asclepias erosa H. and M. Dearing 1938-3-5 1971 Riverside between Blythe and Desert Center Comment
  RSA535489  Aspidotis californica Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6637 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  SDSU17486  Aspidotis californica Jerry Jenkins 2001-3-30 2001 -006 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  RSA653655  Aster subulatus A. C. Sanders, Mitch Provance 1999-9-26 23126 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA764524  Aster subulatus var. ligulatus Justin M. Wood 2010-9-8 2603 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  CAS-BOT-BC177459  Astragalus aridus Edmund C. Jaeger 1939-4-7 s.n. Riverside Boulder Well, near Desert Center, Colorado Desert Comment
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  JOTR30251  Astragalus bernardinus Leary, C. and Leary, Pat 1979-5-5 2997 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 1676 Comment
  RSA525249  Astragalus didymocarpus var. didymocarpus Steve Boyd, T. S. Ross 1990-5-11 4627 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  POM299592  Astragalus didymocarpus var. dispermus E. C. Jaeger 1945-4-15 s.n Riverside 5 miles East of Garnet. 213 Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  UCR130223  Astragalus douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4120 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  SEINET3127349  Astragalus douglasii var. parishii F. M. Reed 1908-7-14 2456 Riverside San Jacinto Mts., Strawberry Valley Comment
  UC1930031  Astragalus douglasii var. parishii Scott D. White, Justin Wood 2008-6-5 12079 Riverside San JAcinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  CAS-BOT-BC228850  Astragalus gambelianus A. C. Sanders; T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range: south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR169872  Astragalus lentiginosus var. coachellae Nathan Moorhatch, M. D. Wilcox 2004-3-2 s.n. Riverside Sonoran (Colorado) Desert, NW corner of Desert Dunes Golf Course, just outside fence along dirt road [between Dos Palmas Corners and Seven Palms Ranch] 238 Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  RSA498234  Astragalus lentiginosus var. variabilis Robert L. Dressler 1949-3-19 417 Riverside 5 miles NE of Desert Center. Comment
  RSA27415  Astragalus nuttallianus var. imperfectus C. L. Hitchcock 1940-4-3 5935 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  JEPS54839  Astragalus palmeri Marjorie D. Clary 1931-4-4 6 Riverside Devils Canyon Santa Rosa Mts., , Devils Canyon (Coachella Valley) Comment
  SBBG35750  Astragalus palmeri D. Myrick 1966-4-3 1347 Riverside Hidden Valley; Joshua Tree Nat Monument Comment
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Dec 14 2016
  CAS-BOT-BC194141  Astragalus pomonensis M. E. Jones 1882-4-27 s.n. Riverside Temecula Comment
  CSUSB1295  Astragalus pomonensis I. S. Singh 1972-5-2 Riverside Highway 71, 5 miles south of Elsinore Comment
  POM202483  Astragalus pomonensis Marcus E. Jones 1934-5-10 s.n Riverside Temecula, San Luis Rey bridge. Comment
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Sep 16 2011
  RSA234088  Astragalus pomonensis R. F. Thorne 1969-6-6 39336 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  RSA415655  Astragalus pomonensis T. W. Minthorn s.n Riverside Near Moreno. Comment
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Mar 20 2011
  RSA711117  Astragalus pomonensis M. Wall, Lucille Wall 2006-3-17 411 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  UCR154972  Astragalus pomonensis A. C. Sanders, Kelly Volansky 2005-3-17 29216 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA450305  Astragalus tricarinatus J. C. Roos 1948-5-8 3826 Riverside Whitewater. 518 Comment
  RSA522711  Athysanus pusillus Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3897 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
  RSA778111  Atrichoseris platyphylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 925 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UC68978  Atrichoseris platyphylla H. M. Hall Apr 1905 5854 Riverside Canon Springs, Colorado Desert Colorado Desert Comment
  UCR214288  Atrichoseris platyphylla A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37485 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
  UCR75050  Atrichoseris platyphylla A. C. Sanders, E. Lawlor 1992-4-4 12105 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM307334  Atriplex canescens Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2205 Riverside Palm Springs Comment
  RSA0106716  Atriplex canescens Duncan S. Bell, Amanda Turek 2010-1-30 529 Riverside About 4 air miles northwest of the Arica Mountains; along the California Aqueduct, to the south of Highway 62. 282 Comment
  SEINET3930590  Atriplex canescens R. L. Piemeisel 1914-9-25 4044 Riverside 4 mi. W. of Indio Rd. to Indian well.; 0 Comment
  UCSB42261  Atriplex coronata Roos, John 1965-6-30 Riverside Perris Comment
  IRVC28861  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Perris; E of I-215; S of San Jacinto River; NW corner of jct Ellis Avenue and first road E of I-215. Southern Coastal 427 Comment
  UCR120544  Atriplex coronata var. notatior D. E. Bramlet 2000-5-9 3020 Riverside 610 m west of the San Jacinto River and 457 m north of San Jacinto Ave., 30 m east of Dunlap 131 Comment
  UCR18789  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside Perris-Aguanga Basin, 1 mi SE of Perris. San Jacinto River bottomlands. Comment
  JEPS49002  Atriplex elegans var. fasciculata Marjorie D. Clary 1932-5-20 964 Riverside Coral Reef Ranch Comment
  UCR203887  Atriplex glauca R. E. Riefner Jr. 2006-2-20 06- 29 Riverside city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  OBI18624  Atriplex hymenelytra David J. Keil 1976-12-12 11912 Riverside Ca. 5 mi E of Indio along I-10 Comment
  RSA736757  Atriplex lentiformis Scott D. White, Lynn Stafford 2007-6-27 11749 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  SEINET4135313  Atriplex linearis Stewart C. Sanderson 1993-11-18 93 -037 Riverside Mile 11, CA 177, 10 miles northeast of Desert Center, CA.; 0 Comment
  SD229127  Atriplex polycarpa Dick Schwenkmeyer 2012-11-6 870 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA478435  Atriplex serenana N. C. Cooper 1943-10-9 957 Riverside Hemet. 304 Comment
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Apr 29 2011
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR110401  Atriplex suberecta A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23184 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA522086  Atriplex suberecta Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  UCR120922  Avena barbata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24922 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR2188  Avena fatua F. M. Reed 1934-3-1 8703 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 274 Comment
  UCR108875  Avena sativa Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR9373  Ayenia compacta Richard A. Weaver 1970-1-14 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., western portion of range 915 Comment
  SD255081  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot and Amy Rouillard 2015-10-19 8717 Riverside Transverse Ranges: San Bernardino Mountains region: Whitewater Canyon, along the Pacific Creset Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  RSA191400  Baccharis emoryi E. W. Lathrop, R. F. Thorne 1967-9-26 6638 Riverside 6 miles NW of Murrieta. Comment
  CLARK-A1656-735  Baccharis glutinosa Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  CAS-BOT-BC106742  Baccharis salicifolia Aven Nelson 1930-3-1 11169 a Riverside Near water course, Palm Springs Comment
  UCR113604  Baccharis salicifolia A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23672 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR140708  Baccharis salicifolia A. C. Sanders 2004-5-12 27860 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  UCR97239  Baccharis salicifolia Scott D. White 1997-2-9 4674 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UC500623  Baccharis salicifolia subsp. salicifolia Aven Nelson 1930-3-1 11169 a Riverside Palm Springs, near water course Comment
  CAS-BOT-BC106671  Baccharis salicina I. M. Johnston 1917-12-1 1811 Riverside Chino Creek south of Ontario 152 Comment
  RSA89881  Baccharis sarothroides J. C. Roos 1950-10-28 5021 Riverside Box Springs. 473 Comment
  IRVC512  Baccharis sergiloides D. Christy 1965-4-17 Riverside Palm Springs Sonoran Desert Comment
  UCR207615  Baccharis sergiloides O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CAS-BOT-BC295900  Bahiopsis parishii B. D. Stark 1932-6-15 3742 Riverside Colorado Desert. Eagle Mts., above Utopia 228 Comment
  POM10164  Bahiopsis parishii Philip A. Munz 1921-4-30 4503 Riverside Pinyon Wells 1220 Comment
  RSA0065645  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 39 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  SD129625  Bahiopsis parishii A. C. Sanders 1989-9-19 9504 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target 680 Comment
  CAS-BOT-BC99955  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC99962  Baileya pauciradiata N. Aitkenhead 1977-2-1 2110 Riverside 1000 Palms Sand Dune Natural Area Comment
  SBBG65724  Baileya pauciradiata L. Rowntree 1930-5-8 Riverside cyn S of Deep Cyn Comment
  SD5792  Baileya pleniradiata Frances Keys 1929-6-28 Riverside Palm Springs; Desert Queen Ranch. Comment
  RSA220990  Barbarea orthoceras E. W. Lathrop 1966-3-23 6118 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  POM350774  Bebbia juncea Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA796030  Bebbia juncea Duncan S. Bell 2009-4-18 255 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  SBBG60788  Bebbia juncea M. N. Ackley 1928-3-31 234 Riverside Hidden Spring Cyn 182 Comment
  JEPS19303  Bebbia juncea var. aspera W. L. Jepson 1901-5-22 1410 Riverside Palm Canon San Jacinto Mts. Comment
  UC472351  Bebbia juncea var. aspera F. M. Reed 1904-8-22 643 Riverside Riverside and vicinity Riverside 304 Comment
  POM14866  Bergia texana H. Baer 1922-11-12 s.n. Riverside San Jacinto River Bed, Near Elsinore Comment
  RSA550477  Bergia texana D. E. Bramlet 1992-5-15 2286 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approximately 790 m. west of Davis Road. 433 Comment
  CAS-BOT-BC207044  Bernardia incana C. F. Saunders 1914-5-1 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC207047  Bernardia incana Frank W. Peirson 1928-4-25 7917 Riverside Cottonwood Spring Comment
  RSA651245  Bernardia incana N. R. Zabriskie, Walter Zabriskie 1971-4-9 364 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  UCR94069  Bernardia myricifolia Scott D. White, Duayne Haselfeld 1996-7-2 4257 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  CAS-BOT-BC16095  Boechera californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside San Jacinto Mountains. Northwest of Idyllwild. Along fire road south of south end Marion Ridge Road, Pine Cove. 1938 Comment
  JOTR33811  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  UCR42362  Boerhavia coccinea B. G. Pitzer 1986-5-4 0198 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
  POM259509  Boerhavia triquetra E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  CLARK-A1528-3271  Boerhavia wrightii John C. Roos 1937-8-22 14 Riverside Comment
  UCR195799  Bouteloua aristidoides var. aristidoides Jim Andre, T. La Doux 2007-9-6 8706 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  RSA773657  Bouteloua barbata Duncan S. Bell, J. D. England 2010-10-5 1976 Riverside San Bernardino National Forest: Garner Valley, approximately 2.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  RSA792931  Bouteloua barbata Aaron C. Sedgwick, Cody Leslie 2012-9-20 120 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  UCR137044  Bowlesia incana A. C. Sanders 2004-5-5 27771 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  OBI14836  Brandegea bigelovii Lewis S. Rose 1957-1-8 57018 Riverside Palm Desert 91 Comment
  POM7546  Brandegea bigelovii P. A. Munz, R. D. Harwood 1920-4-2 3564 Riverside Between Blythe Junction and Blythe 305 Comment
  RSA305948  Brandegea bigelovii Fay A. MacFadden 1940-3-17 15295 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Comment
  RSA789361  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 35 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SEINET3217333 Image available Brandegea bigelovii T. B. Salvato 2010-4-20 4056 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  UCR193961  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range, Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  UC10285  Brassica nigra H. M. Hall Jun 1 1901-Jul 1 1901 2282 Riverside in the vicinity of Strawberry Valley (San Jacinto Mountains, around camps); San Jacinto Mountains 1584 Comment
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Sep 20 2011
  SD152905  Brassica rapa Steve Boyd, Orlando Mistretta 1992-4-23 7062 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Local along trail on dry rocky slopes. 244 Comment
  UCR225718  Brassica tournefortii A. C. Sanders 2011-3-30 38909 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  POM351102  Brickellia arguta Robert Gustafson 1982-5-19 2572 Riverside Pines to Palms Hwy (74), vicinity of Big Horn Sheep overlook. Comment
  POM159822  Brickellia arguta var. arguta E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  UC1523410  Brickellia atractyloides Robert F. Thorne and W. A. Tilforth 1980-5-28 54208 Riverside 3.2 mi n, w from Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernadino Mts. 609 Comment
  CAS-BOT-BC106342  Brickellia atractyloides var. arguta H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs - Colorado Desert 670 Comment
  POM13296  Brickellia californica E. C. Jaeger 1921-10-9 119 Riverside Tacquitz Canyon, Palm Springs. Comment
  SEINET10797623  Brickellia microphylla var. watsonii A. K. Evans 1976-4-13 Evans 5214 Riverside Desert canyons of Santa Rosa Mountains. Comment
  RSA234087  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Rancho, Mesa de Colorado 625 Comment
  UCR191207  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 928 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  UCR191208  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 930 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 564 Comment
  UCR16042  Brodiaea terrestris subsp. kernensis S. Riddell 1973-5-17 730517- 01 Riverside 8 mi west of Perris on Hwy 74 457 Comment
  RSA570555  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8014 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. 1000 Comment
  SBBG56586  Bromus carinatus M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  SEINET14401098  Bromus carinatus M. G. McLeod 1971-1 467 Riverside Idyllwild Comment
  SEINET223812 Image available Bromus carinatus var. carinatus Elizabeth Neese 1979-4-11 7104 Riverside Road jct halfway between Blythe & Rice Comment
  UCR43418  Bromus catharticus B. G. Pitzer 1986-5-24 250 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
  UCR209337  Bromus grandis Fred M. Roberts, Robt. L. Allen 2008-6-23 7056 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  SEINET7048210  Bromus hordeaceus Steven R. Hill, Andrew C. Sanders 2001-5-4 33722 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  RSA556456  Bromus hordeaceus subsp. molliformis Julie Greene 1993-4-30 1263 Riverside San Jacinto Wildlife Area. North of San Jacinto River drainage. 433 Comment
  POM112726  Bromus rubens Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  POM197848  Bromus rubens Donald A. Johansen, Joseph A. Ewan 1932-4-10 7057 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  RSA0021329  Bromus tectorum Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4655 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  SD236136  Bromus tectorum A. C. Sanders, T. B. Salvato 2006-6-2 33089 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 548 Comment
  RSA498389  Caesalpinia virgata T. W. Minthorn 1926-5-13 s.n Riverside East of Banning Comment
  UC667278  Caesalpinia virgata Annie M. Alexander and Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas; Colorado Desert Comment
  UC69317  Calandrinia ambigua L. A. Greata Apr. 1905 Riverside Coachella Comment
  CLARK-A1528-3832  Calandrinia ciliata John C. Roos 1966-3-24 Riverside Winchester Comment
  UC56760  Calandrinia ciliata H. M. Hall 1902-4-7 2754 Riverside vicinity Riverside; Alessandro Comment
  UCR169470  Calandrinia ciliata John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCSB9236  Calocedrus decurrens Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 14 Lower Montane Community 1524 Comment
  UC3383  Calochortus concolor H. M. Hall 1897-7-30 962 Riverside El Toro Mt. San Jacinto Mts. 2529 Comment
  UC3384  Calochortus concolor H. M. Hall Jun 1901 2103 Riverside e base San Jacinto Mts. (along the borders of the Colorado Desert); Colorado Desert, San Jacinto Mts. Comment
  RSA369043  Calochortus palmeri var. munzii N. C. Cooper 1944-5-20 1262 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  UCR117699  Calochortus plummerae Mitch Provance 1998-6-11 652 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  RSA496570  Calochortus splendens Bill Wagner 1988-4-5 s.n. Riverside NW of Murrieta. 381 Comment
  RSA525421  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4529 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  SD136974  Calochortus splendens Steve Boyd, Tim Ross 1992-5-4 7199 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 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
  UC63832  Calochortus weedii H. M. Hall 1895-6-9 Riverside Temescal Comment
  SD136973  Calochortus weedii var. weedii Steve Boyd, Tim Ross 1992-6-10 7624 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  POM351399  Calycadenia tenella Christopher Davidson 1977-5-25 5646 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCR4320  Calycadenia tenella D. Gordon 1952-5-19 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus 335 Comment
  UCR48370  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  JOTR30980  Calycoseris parryi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1957 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  CHSC99602  Calycoseris wrightii LeRoy Gross 2005-3-3 1582 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  UCR26070  Calycoseris wrightii John C. Roos, Lucille Roos 1949-4-9 4209 Riverside Sonoran (Colorado) Desert, near the Riverside Mtns., 30 miles north of Blythe 137 Comment
  SEINET7063457  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  UCR97460  Calystegia macrostegia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19887 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA734501  Calystegia macrostegia subsp. tenuifolia Michael Wall 2008-5-31 465 Riverside San Jacinto Valley, Bautista Rd. south east of Hemet; along Bautista road, ca. 5.5 miles SE of Fairview Ave. 732 Comment
  UC1292286  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside on road to Elsinore 10 mi n Pala; n of Pala Comment
  CAS-BOT-BC199283  Calystegia sepium subsp. limnophila S. B. Parish; W. F. Parish July 1881 916 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  SEINET9288250  Camissonia Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  CAS-BOT-BC168227  Camissonia bistorta Abby Sirulnik 2000-4-13 06 Riverside Peninsular Ranges: Southwestern Riverside County Multispecies Reserve, ca. 3 mi NE of Skinner Reservoir 610 Comment
  CDA37642  Camissonia bistorta T. C. Fuller 1964-4-14 11819 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA192043  Camissonia bistorta E. W. Lathrop 1959-4-2 4444 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  RSA543743  Camissonia bistorta Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6047 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
  RSA799380  Camissonia boothii subsp. condensata Duncan S. Bell 2013-4-7 4756 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  SEINET3005040  Camissonia brevipes G. Rink 2011-4-25 10475 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 118 Comment
  UCR198164  Camissonia brevipes Michael Honer, L. Hulse 2004-4-3 1898 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  RSA775814  Camissonia brevipes subsp. brevipes Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 838 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  RSA466166  Camissonia californica N. C. Cooper 1944-4-23 1107 Riverside Cabazon. 457 Comment
  RSA495452  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2980 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA775220  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4438 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  JEPS31800  Camissonia campestris W. L. Jepson May 17 1901-Jun 1 1901 1251 Riverside San Jacinto Comment
  UC20448  Camissonia campestris subsp. campestris Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  POM177939  Camissonia cardiophylla Joseph A. Ewan 1931-4-4 4154 Riverside Summit east of Shaver's Well. 518 Comment
  UCR165268  Camissonia claviformis 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
  RSA4891  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3007 Riverside Palm Springs. 152 Comment
  UCR115352  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16275 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA679818  Camissonia hirtella LeRoy Gross, Valerie Soza 2003-5-8 831 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA525263  Camissonia ignota Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4576 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  POM13246  Camissonia intermedia P. A. Munz, I. M. Johnston 1922-5-19 5354 Riverside 5 miles NE of Murietta. 457 Comment
  CSUSB865  Camissonia micrantha Pat Halligan 1968-4-18 Riverside Wash between Lothian Hall and the physics building on UCR campus. Comment
  RSA593996  Camissonia micrantha D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0939 B 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
  RSA137358  Camissonia pallida subsp. hallii David Gregory 1958-4-11 1 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  RSA186572  Camissonia pallida subsp. hallii Peter H. Raven 1958-5-5 12884 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  CLARK-A1656-710  Camissonia pallida subsp. pallida Theo Glenn 1979-3-3 Riverside Palm Springs Comment
  RSA80983  Camissonia pallida subsp. pallida G. R. Campbell 1952-4-5 18369 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  RSA675983  Camissonia refracta Scott D. White 2001-4-17 8347 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR102697  Camissonia refracta B. G. Pitzer 1998-1-24 3380 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA500556  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3604 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC219287  Camissonia strigulosa P. A. Munz and I. M. Johnston 1922-5-20 5466 Riverside Kenworthy San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UC454559  Camissonia strigulosa I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  UCR155055  Camissonia strigulosa Jason L. Hlebakos 2005-5-30 817 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCSB42114  Camissonia strigulosa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns Comment
  UC1537618  Camissoniopsis bistorta Gordon H. True Jr. 1935-2-20 1 Riverside Box Springs Sycamore Canyon (mouth of canyon) 365 Comment
  UCR166106  Camissoniopsis pallida subsp. hallii A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16252 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UC1922539  Camissoniopsis pallida subsp. pallida Michael Honer with L. Hulse 2005-3-7 2028 Riverside Colorado Desert; Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. Comment
  RSA508011  Carex multicaulis Steve Boyd, Carol Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2298 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  CAS-BOT-BC119864  Carex nebrascensis Peter H. Raven 1958-5-17 12963 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  CAS-BOT-BC119867  Carex nebrascensis H. M. Hall 1901-7-1 2484 Riverside In meadows or along creeks of Tamarack Valley, San Jacinto Mt. Comment
  POM49864  Carex sartwelliana Phillip A. Munz 1924-7-27 8758 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  POM19848  Carex subfusca Mary F. Spencer 1923-6-12 2177 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA249867  Carex subfusca Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  SD134357  Carex subfusca R. Mitchel Beauchamp 1971-5-15 2421 Riverside San Jacinto Mtns. Along stream below Lake Fulmore 1600 Comment
  RSA425879  Castilleja affinis I. W. Clokey, C. B. Clokey, Bonnie C. Templeton 1930-4-15 449 Riverside Perris to Gavalian Peak 600 Comment
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Nov 8 2011
  JEPS57286  Castilleja affinis subsp. affinis L. R. Heckard and R. C. Bacigalupi 1968-5-5 1808 Riverside 1.3 mi e Dripping Springs Campground (w of Radec) 457 Comment
  JEPS26101  Castilleja angustifolia Peter H. Raven 1958-5-5 12893 Riverside Split Rock Joshua Tree National Monument Comment
  UCR146438  Castilleja applegatei subsp. martini R. F. Thorne, Et al. 1969-6-24 38086 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA448700  Castilleja applegatei subsp. martinii Christopher Davidson 1975-6-16 2816 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  RSA633320  Castilleja applegatei subsp. martinii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38086 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon 1677 Comment
  UCSB26811  Castilleja applegatei subsp. martinii Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mnts. 2377 Comment
  RSA773593  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-14 1305 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA793014  Castilleja exserta Justin M. Wood 2011-4-4 3402 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR21985  Castilleja exserta Steve Boyd 1980-4-8 115 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SBBG128622  Castilleja exserta subsp. exserta S. R. Hill, A. C. Sanders 2001-5-4 33712 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  RSA33474  Castilleja foliolosa N. C. Cooper 1944-5-7 1182 Riverside Banning. 701 Comment
  RSA400080  Castilleja foliolosa Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  RSA400577  Castilleja foliolosa P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA400578  Castilleja foliolosa Robert Gustafson, Christopher Davidson 1985-5-20 3114 Riverside San Jacinto Mts., Hwy. 74 ca 2 miles below Moutain Center. Comment
  POM250367  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs. Comment
  RSA0010955  Castilleja miniata subsp. miniata Mary F. Spencer 1922-6-26 1977 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  JEPS6193  Castilleja minor subsp. spiralis Peter Kamb 1950-9-13 1939 Riverside Hall Canyon; San Jacinto Mts. 1645 Comment
  UC885440  Castilleja minor subsp. spiralis Crawford and Johnston 1917-6-9 1222 Riverside near Corona; Santa Ana River Comment
  JOTR37756  Caulanthus cooperi Hodges, Stephen R. 2016-2-29 712 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UCR29602  Caulanthus heterophyllus Don Emery 1983-3-11 s.n. Riverside Peninsular Range, Aguanga, 1 mi north of Hwy. 79 at a point 1 mi west of its jct with Hwy 371. Comment
  UCR65282  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3846 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  JOTR34076  Caulanthus lasiophyllus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2971 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  CAS-BOT-BC48455  Ceanothus crassifolius Herbert L. Mason; Munz; Peirson 1926-4-30 3120 Riverside Southwestern Riverside Co. - Temecula canyon, 2 miles south of Temecula Comment
  RSA577527  Ceanothus crassifolius D. L. Banks, S. D. Boyd 1995-2-16 52 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 976 Comment
  SEINET10824794  Ceanothus crassifolius Nye Leith, Greg Gust 2005-3-11 Nye 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR79353  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-1 7722 Riverside Peninsular Range, Vail Lake area, ridge about 1 mi. west of lake, east of 'Little' Oak Mt 610 Comment
  UCR16497  Ceanothus cuneatus P. A. Rauch 1966-4-5 s.n. Riverside San Jacinto Mtns., [Hwy 74] at hairpin turn [White Post Turn], roadside 1098 Comment
  UCR135732  Ceanothus greggii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9033 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  POM254861  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA6107  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  UCR138754  Ceanothus leucodermis Scott D. White 1997-5-18 5183 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR5995  Ceanothus leucodermis David M. Peterson 1966-3-9 660309- 13 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  RSA0019585  Ceanothus leucodermis Toppenberg 1961-5-12 s.n. Riverside Hwy to Idyllwild, Beaumont side. Comment
  RSA0019575  Ceanothus megacarpus var. megacarpus Orlando Mistretta 1992-6-10 517 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA606750  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27408 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
  SJSU15170  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR79354  Ceanothus ophiochilus Steve Boyd, K. Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7169 A Riverside Peninsular Range, Vail Lake area: ridge about 1 mi. west of lake, east of 'Little' Oak Mt. 610 Comment
  UCR131678  Ceanothus palmeri C. B. Wolf 1941-8-12 11142 Riverside San Jacinto Mtns., 3.5 miles NW of Idyllwild on Dark Canyon Road 1829 Comment
  CAS-BOT-BC51930  Ceanothus perplexans Dr. A. Davidson 1892-5-1 s.n. Riverside Banning Comment
  UCR213850  Ceanothus perplexans Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  RSA192053A  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1965-3-30 5592 Riverside 16 miles west of Murrieta. Comment
  UCR20816  Celtis sinensis A. C. Sanders 1980-5-22 1507 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  UCR280836  Centaurea melitensis T. B. Salvato, Gregg Miller 2005-6-3 1370 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA74576  Centaurea repens J. C. Roos 1947-7-5 2908 Riverside Junction of San Timoteo and Live Oak Creeks. 457 Comment
  UCR199743  Centaurea solstitialis Scott D. White, Justin Wood 2008-5-29 12043 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  RSA487200  Centaurium venustum James L. Reveal 1988-5-23 6862 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
  UCR21550  Centaurium venustum W. W. Mayhew 1980-7-18 s.n. Riverside Santa Rosa Mtns., 1 mi. south of Hwy 74 on the road to Santa Rosa Peak. 1585 Comment
  UCR249909  Centromadia pungens subsp. pungens R. E. Riefner Jr. 2012-7-23 12- 321 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  JOTR31184  Centrostegia thurberi La Doux, Tasha, G. Clifton 2009-5-14 1981 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UC1595609  Cerastium glomeratum Steve Boyd and Orlando Mistretta 1991-5-22 6288 Riverside base of Agua Tibia Mt. (Vail Lake area, e. of Dorland Mt., w. of Kolb Creek) 548 Comment
  UC195339  Cercidium floridum subsp. floridum S. B. Parish 1916-5-13 10833 Riverside Shafer's Well Colorado Desert Comment
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Mar 10 2011
  UC68619  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5931 Riverside McCoy Wash Colorado Desert Comment
  JOTR31896  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2145 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  UC565569  Chaenactis carphoclinia var. carphoclinia Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  SBBG29427  Chaenactis fremontii D. Myrick 1968-3-2 1793 Riverside Desert Hot Springs 304 Comment
  UCR177001  Chaenactis fremontii Tracy Tennant, J. S. Ross 1998-4-30 MOR- 71 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCR177149  Chaenactis fremontii Scott D. White, Michael Honer 2003-4-25 9091 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR85082  Chaenactis fremontii A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-12 16032 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCR261179  Chaenactis glabriuscula A. C. Sanders, Katie Young, John Hale 2015-4-22 41607 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1.2 km NW (296 deg. ) of One Horse Spring 461 Comment
  RSA543769  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6029 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
  UCR132934  Chaenactis parishii 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
  JOTR31225  Chaenactis stevioides La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2009 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  RSA0108934  Chaenactis stevioides Duncan S. Bell, Amanda Bell 2012-1-28 3076 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  RSA777675  Chaenactis stevioides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR167062  Chaenactis stevioides Scott D. White 2005-3-29 10836 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR61907  Chaenactis stevioides D. F. Howe 1980-4-15 s.n. Riverside Sonoran (Colorado) Desert, south slope of McCoy Mountains, Interstate Hwy 10, 1 mile west of Mesa Verde 122 Comment
  POM351830  Chaenactis stevioides var. stevioides M. B. Dunkle 1935-3-17 4397 Riverside Desert Center. 610 Comment
  SEINET3228134  Chamaesyce abramsiana G. Rink, T. Thomas and K. Routson 2012-9-2 11657 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 180 Comment
  JOTR33670  Chamaesyce albomarginata La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2660 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  POM14016  Chamaesyce albomarginata P. A. Munz, D. D. Keck 1922-4-13 4926 Riverside Hayfields,' Chuckwalla Valley 152 Comment
  SEINET7062847  Chamaesyce albomarginata A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile west of Lake Elsinore. Railroad Canyon. UTM Zone 11, 464455mE, 3724990mN. (WGS84/NAD83). 393 Comment
  UC17622  Chamaesyce albomarginata H. M. Hall 1901-6-1 2151 Riverside e base San Jacinto Mountains (along borders of Colorado Desert) Comment
  POM195636  Chamaesyce micromera L. C. Wheeler 1931-11-26 369 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UC406706  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside e Desert Center Comment
  JEPS52397  Chamaesyce parishii S. B. Parish 1912-6-28 8113 Riverside Mojave Desert,Mecca Comment
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Sep 4 2011
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA433508A  Chamaesyce polycarpa E. A. McGregor 1964-1-30 s.n. Riverside Dry bed of Lake Elsinor. Comment
  RSA599304  Chamaesyce polycarpa L. C. Wheeler 1954-9-25 7095 Riverside South end of Mule Mountains, near Ripley. Comment
  SBBG100585  Chamaesyce polycarpa W. L. Halvorson 1977-2-5 77 -14 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument 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
  UCR275019  Cheilanthes June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC66313  Cheilanthes clevelandii A. C. Sanders; Mitch Provance; E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 914 Comment
  RSA524228  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4022 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA660498  Cheilanthes clevelandii A. C. Sanders, Mitch Provance 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  UCR150602  Cheilanthes covillei R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38136 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  POM12437  Cheilanthes newberryi Philip A. Munz 1922-4-30 5127 Riverside Hemet Butte Comment
  RSA543297  Cheilanthes newberryi Steve Boyd 1991-3-17 5514 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
  RSA556511  Cheilanthes newberryi Julie Greene 1993-4-10 1159 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA605762  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  CAS-BOT-BC70376  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  UCR181631  Chenopodium Mitch Provance 2003-6-7 7610 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  SEINET5544053  Chenopodium album H. S. Gentry 1954-1 14247 Riverside Near Aguanga. Comment
  UCR114093  Chenopodium album A. C. Sanders, Mitch Provance 1999-9-26 23131 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR114542  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1999-6-18 22810 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA478503  Chenopodium californicum George R. Johnstone 1934-3-27 s.n. Riverside Near Temecula, along inland route. Comment
  UC1329982  Chenopodium californicum James E. Cole 1941-6-9 855 Riverside Stubby Spring area Joshua Tree National Monument 1402 Comment
  UCR265473  Chenopodium fremontii Jordan Zylstra 2014-8-17 14023 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  JEPS59753  Chenopodium murale W. L. Jepson 1901-5-16 1224 Riverside Riverside 266 Comment
  UCR108713  Chenopodium murale Scott D. White, Pam DeVries 1998-2-9 6081 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  RSA64957  Chenopodium pratericola F. W. Peirson 1918-03 s.n. Riverside Field near Indio. Comment
  RSA666524  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2255 Riverside Jurupa Mountains: Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. [Coordinates are off] 287 Comment
  CSUSB985  Chilopsis linearis Michael J. Arbaugh 1978-6-4 S. N. Riverside Coachella Valley Located along wash 1.2 miles north on Desert View Road and Amethyst Road junction in West Palm Springs Village. Comment
  UCR178539  Chilopsis linearis R. G. Swinney 1967-5-26 146 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCR193859  Chilopsis linearis A. C. Sanders 2008-7-25 35925 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road at foot of Jackrabbit Trail, N of Mystic Lake and E of Quail Lake Golf Course 462 Comment
  UCSB11470  Chilopsis linearis Dearing, Hugh; Dearing, Margaret 1940-6-7 Riverside 7 miles north of Palm Springs Comment
  RSA114358  Chilopsis linearis subsp. arcuata P. C. Everett, E. K. Balls 1956-5-2 21560 Riverside 3.1 mi. n. from jct. with Hwy. 60/70 along rd. to Lost Palms Canyon, sw Eagle Mts. 716 Comment
  SEINET10550623  Chilopsis linearis subsp. arcuata Rose 1935-12-22 Rose 35682 Riverside Colorado Desert, Palm Canyon Wash. 183 Comment
  UCR35107  Chimaphila menziesii L. B. Ziegler 1966-6-28 070 Riverside San Jacinto Mountains, North Fork of the San Jacinto River (Dark Canyon), above Idyllwild-Banning Road 1677 Comment
  CAS-BOT-BC184865  Chloris virgata Malcom A. Nobs; S. Galen Smith 1948-9-3 490 Riverside Imperial Valley. 2 miles north of Indio. Comment
  POM257310  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
  RSA0031419  Chorizanthe brevicornu Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4468 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR116844  Chorizanthe brevicornu Helen Kennedy, Fred R. Ganders 1980-4-15 4060 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  RSA0034932  Chorizanthe brevicornu A. Lee Haines 1974-7-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  CAS-BOT-BC191705  Chorizanthe brevicornu var. brevicornu Geo. B. Grant 1906-4-20 6715 Riverside Palms Springs Comment
  RSA392610  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1979-4-4 7696 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UCR21931  Chorizanthe coriacea Steve Boyd 1980-5-2 159 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR238217  Chorizanthe coriacea Mark A. Elvin 2005-5-24 4320 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UCR174622  Chorizanthe fimbriata Jennifer H. Jones 2006-6-6 387 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  CAS-BOT-BC191256  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  UCR19068  Chorizanthe leptotheca John C. Roos 1952-6-8 5748 Riverside Reche Canyon 549 Comment
  UCR19249  Chorizanthe parryi var. parryi John C. Roos 1950-5-27 4819 Riverside Peninsular Range, Hills NE of summit of Reche Canyon 762 Comment
  SBBG101663  Chorizanthe polygonoides var. longispina S. Boyd 1991-5-20 6265 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  UCR174095  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32551 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
  UCR237874  Chorizanthe polygonoides var. longispina Mark A. Elvin 2003-3-26 2365 B Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 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
  UCR91227  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-25 2395 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  CAS-BOT-BC257201  Chorizanthe procumbens Clare B. Hardham 1962-4-6 8549 Riverside Rte 395 - Intersection with Rd to Rainbow - near Temecula Canyon Comment
  RSA676042  Chorizanthe rigida Scott D. White 2001-4-17 8342 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SEINET9809164 Image available Chorizanthe wheeleri Sharon J. McCormick 1976-5-24 Riverside Santa Cruz Island, Channel Islands, Wash near field station Comment
  RSA696806  Chrysothamnus paniculatus J. Russell Bruff 1927-11-24 8 Riverside Whitewater. Comment
  SEINET11860603  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert, Whitewater Wash, 3 mi SE of Palm Springs Station 305 Comment
  JEPS23428  Chylismia brevipes subsp. brevipes W. L. Jepson 1928-4-25 12609 Riverside n Mecca; Cottonwood Spr. 731 Comment
  JOTR37496  Chylismia brevipes subsp. brevipes Hodges, Stephen R., L. Ashfield 2016-1-20 625 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UCSB4429  Chylismia claviformis Haller, John 1958-3-22 Riverside S. of Hwys 60, 70; 5.8 miles E. of Desert Center Comment
  UC1184366  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside alluvial fan Fargo Canyon Comment
  UC873926  Chylismia claviformis subsp. aurantiaca C. L. Hitchcock 1940-3-29 5865 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  CLARK-A1528-1777  Cirsium occidentale John C. Roos 1952-4-13 5523 Riverside Box Springs Mountains 487 Comment
  RSA314660  Cistanthe monandra R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55479 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA615135  Citrus sinensis A. C. Sanders 1997-3-2 19774 Riverside N of Spruce St between the RR and the Gage Canal. near foot of Box Springs Mtns. 305 Comment
  RSA448265  Clarkia dudleyana Gale Sphon 1959-5-2 322 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA505480  Clarkia dudleyana E. W. Lathrop 1989-5-10 s.n. Riverside 4 miles SW of Corona, West slope of Tin Mine Canyon. Comment
  UC1280013  Clarkia dudleyana Peter H. Raven with R. Snow 1957-7-26 11084 Riverside 0.9 mi n Vista Grande Ranger Station (along Banning to Idyllwild road); San Jacinto Mountains Comment
  UCR256915  Clarkia purpurea Naomi Fraga, Duncan S. Bell 2009-5-6 2708 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  UC69181  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1905 6240 Riverside Box Springs Mt. vicinity of Riverside (e base); Box Springs Mt., vicinity of Riverside 609 Comment
  UCR91429  Claytonia parviflora subsp. parviflora Scott D. White 1995-3-30 2650 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
  UCR97442  Claytonia parviflora subsp. parviflora A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19862 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UC7946  Claytonia parviflora subsp. viridis H. M. Hall Jun 1901 2218 Riverside Onstatt's Valley; San Jacinto Mts. 1981 Comment
  UCR139030  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. The area along Magee Truck Trail betweem the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  POM158457  Clematis pauciflora P. A. Munz 1927-5-21 10872 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  UC1125907  Clematis pauciflora R. St. John 1931-2-19 186 Riverside w. Elsinore; Elsinore Quad. Comment
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Nov 27 2011
  UC63842  Clematis pauciflora Miss Maggie M. Todd Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  UCR93822  Cnicus benedictus P. J. MacKay 1996-6-15 006 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  UCR62143  Collinsia childii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2273 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM19573  Collinsia concolor Mary F. Spencer 1923-6-9 2166 Riverside In Idyllwild. 1646 Comment
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Oct 22 2011
  RSA0117428  Collinsia concolor Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6062 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CLARK-A1528-849  Collinsia heterophylla F. Zaebst 1959-4-29 Riverside Temecula Comment
  UCR16022  Collinsia heterophylla Kirk Taylor 1976-5-23 760523 17 Riverside Peninsular Range; Santa Ana Mtns., Mesa de Colorado, 9 mi west of Murrieta on Tenaja Rd. 549 Comment
  UCR41565  Condalia globosa var. pubescens A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mtns, 9 miles south of Hwy I-10 on the Gasline Road, 2 mi. airline south of the Model Mine 579 Comment
  UCR40539  Convolvulus arvensis Steve Boyd 1985-6-23 1003 Riverside Peninsular Range; Santa Ana Mtns., 5.2 mi. west of Rancho California on De Luz Road 396 Comment
  UCR189581  Convolvulus simulans Diane Menuz 2006-5-23 104 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  UCR205452  Convolvulus simulans Annie L. Bustamante 2008-3-24 110 Riverside Perris-Hemet Basin, C. 100 m west of Briggs St., c. 1 km south of Scott Rd. 432 Comment
  RSA0018944  Cordylanthus nevinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 657 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA412309  Cordylanthus rigidus subsp. setiger H. de Forest, Jack Rempel 1933-10-29 18676 Riverside Snow Creek Canyon. 655 Comment
  RSA51632  Coreopsis californica L. S. Rose 1949-4-19 s.n. Riverside 4 miles NW of Alberhill. 305 Comment
  JOTR31012  Coreopsis californica var. californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1301 Riverside Joshua Tree National Park. Stop 7: Hexie Mountains, Pleasant Valley, along Geology Tour road loop, just south of where loop begins 1039 Comment
  CDA19738  Corethrogyne filaginifolia var. virgata H. R. Leach 1958-9-12 s.n. Riverside Southern California; River Valley. 0 Comment
  SEINET272198  Cornus glabrata A. C. Sanders, T. Tennant 1997-11-14 21596 Riverside Morongo Indian Reservation ; San Bernardino Mtns.: W end of Burro Flats wooded canyon at border between chaparral hillside and annual grassland past 1158 Comment
  UCR35134  Cornus glabrata L. B. Ziegler 1968-6-10 317 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1433 Comment
  UCR98070  Cotula coronopifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19897 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  SEINET7073458  Crassula connata A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR116996  Crassula connata A. C. Sanders, T. B. Salvato 2001-5-3 24101 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR139159  Crassula connata S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR196894  Crassula connata A. C. Sanders, T. B. Salvato 2008-2-19 34425 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  CLARK-A1528-2611  Cressa truxillensis John C. Roos 1937-5-10 2074 Riverside Lake Elsinore Comment
  UC23223  Cressa truxillensis A. J. McClatchie May 1892 54 Riverside near Elsinore Comment
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Jul 22 2010
  UCR274538  Cressa truxillensis Mitch Provance, Ken Halama 2003-6-15 17050 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CAS-BOT-BC175814  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Rocky wall of Morongo [Canon] Canyon, n. Colorado Desert 609 Comment
  POM296499  Crossosoma bigelovii Lyman Benson 1945-3-29 11632 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  RSA625172  Crossosoma bigelovii L. C. Wheeler 1963-3-17 8247 Riverside Santa Rosa mountains: Martinez Canyon. 670 Comment
  SD232668  Crossosoma bigelovii A. C. Sanders, K. Rose 1995-4-5 16349 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 519 Comment
  UC1490304  Crossosoma bigelovii Rolf Y. Berg 1980-4-2 Riverside Whitewater Canyon; ca 2.5 mi from mouth Comment
  UCR274217  Crossosoma bigelovii Duncan S. Bell, Evan Meyer 2014-10-29 7678 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  UCR119447  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23100 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  POM368207  Cryptantha angustifolia N. C. Cooper 1949-4-8 3268 Riverside Mecca Pass east of Indio. 610 Comment
  POM368208  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UC1229796  Cryptantha angustifolia Peter M. Ray 1949-3-12 1363 Riverside n of 1000 Palms (Aqueduct Road, n side of Coachella Valley); Coachella Valley Comment
  RSA336415  Cryptantha barbigera R. F. Thorne, Walter Wisura, A. Shmida, Whittaker 1978-4-23 52054 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA339323  Cryptantha barbigera R. F. Thorne, C. W. Tilforth 1980-5-28 54210 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA339706  Cryptantha barbigera R. F. Thorne, C. W. Tilforth 1980-5-28 54245 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UC662479  Cryptantha barbigera Philip A. Munz 1937-5-29 15102 Riverside Shumway, edge of Pinyon Flats Santa Rosa Mts., Pinyon Flats 1219 Comment
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Dec 18 2011
  UCR89563  Cryptantha barbigera George K. Helmkamp 1994-3-10 42 15 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  JOTR33722  Cryptantha barbigera var. fergusoniae La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2723 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UCR196106  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8149 Riverside S Mojave Desert, Joshua Tree National Park, near water tank just south of Black Rock Visitor Center 1260 Comment
  UCR127341  Cryptantha corollata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25845 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  CAS-BOT-BC218862  Cryptantha costata A. C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains 152 Comment
  GMDRC5831  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  UCR214407  Cryptantha costata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37513 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. ESE (98 deg. ) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 129 Comment
  UCR232396  Cryptantha costata Dave Silverman 2010-3-23 7819 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  JOTR29494  Cryptantha decipiens Andre, Jim, Tasha La Doux 2006-4-11 8140 Riverside Joshua Tree National Park. Along paved road through Wilson Canyon at Fried Liver Wash 857 Comment
  JOTR30318  Cryptantha dumetorum La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1752 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  UCR72244  Cryptantha holoptera Theo Glenn 1991-5-30 91- 113 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  SD240920  Cryptantha inaequata Dave Silverman 2010-3-24 7825 Riverside South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Drive, and 3.7 km N of Interstate 10. 130 Comment
  CAS-BOT-BC168489  Cryptantha intermedia A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30040 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA499709  Cryptantha intermedia Ora M. Clark 1929-4-6 1938 Riverside W. San Jacinto Comment
  SBBG37501  Cryptantha intermedia R. N. Muller 1967-4-8 3 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UC56844  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  UCR199560  Cryptantha intermedia Scott D. White 2004-4-26 10270 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR59504  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3241 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  HSC82900  Cryptantha maritima A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  JOTR29433  Cryptantha maritima La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1367 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  POM118681  Cryptantha maritima Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM46800  Cryptantha maritima Mary F. Spencer 1920-3-24 1520 Riverside Rocks near Indian Wells. 9 Comment
  RSA728603  Cryptantha micrantha Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1893 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  UC24833  Cryptantha micrantha H. M. Hall 1901-6-24 Riverside Fuller's Mill, w side of San Jaicnto Mountains San Jacinto Mountains 1767 Comment
  POM13688  Cryptantha micrantha var. lepida E. C. Jaeger 1921-6-20 s.n. Riverside Caramba., [Caramba Camp, 5.5 mi southwest of Palm Springs, lat/long and T/R/S below from Durham 1998: Calif. Geogr. Names; elev from Jaeger s label] 1707 Comment
  UCR60440  Cryptantha micrantha var. micrantha R. F. Thorne, M. Z. Thorne 1973-3-30 42666 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  JEPS119484  Cryptantha microstachys Clark Cowan 1978-4-25 1273 Riverside San Jacinto Mountains. 5.1 miles (8.1 km) west on Highway 74 from junction with 243, approaching Hemet. Comment
  RSA543954  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6185 b Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA655219  Cryptantha microstachys Scott D. White 1999-6-6 7442 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA717464  Cryptantha microstachys Scott D. White 2006-4-28 11318 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR174311  Cryptantha microstachys A. C. Sanders 2006-5-19 32395 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
  UCR252608  Cryptantha microstachys T. B. Salvato, Matthew Malle 2013-4-4 7498 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  UCR98694  Cryptantha microstachys 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
  RSA503402  Cryptantha muricata J. D. Olmsted 1962-5-10 3611 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  UCR174132  Cryptantha muricata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32635 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCD119940  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  JOTR30317  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1751 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  SDSU18709  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 67 Riverside Joshua Tree National Park. North side of Split Rock. 1294 Comment
  JOTR35073  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3525 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA0079266  Cryptantha pterocarya var. pterocarya J. D. Olmsted 1958-3-30 89 Riverside A few miles north of southern entrance to Joshua Tree National Monument on Cottonwood Pass Road. 838 Comment
  UCR25968  Cryptantha racemosa John C. Roos 1948-5-1 3815 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  JOTR34336  Cryptantha utahensis Andre, Jim 2012-4-11 20678 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA192295  Cucurbita foetidissima H. A. Zuill 1966-6-27 248 Riverside 2 - 4 miles WSW of Murrieta. Comment
  RSA735070  Cucurbita foetidissima Scott D. White, Angelia Carey 2004-6-4 10475 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR271362  Cucurbita foetidissima A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42465 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 canyon south of the lab near old original house site 475 Comment
  CDA30995  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Drive at Jamawag Road, north of Leon Road. Comment
  RSA0048447  Cucurbita palmata A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mountains. 640 Comment
  UCR214153  Cuscuta denticulata T. B. Salvato 2010-4-20 4052 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  SBBG30056  Cuscuta subinclusa L. C. Wheeler 1933-12-1 2284 Riverside San Gorgonio wash at Southern Pacific Railroad, San Gorgonio Pass 640 Comment
  UCR266411  Cycloloma atriplicifolium D. E. Bramlet, Fred M. Roberts 2005-6-6 3872 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  UCR93043  Cycloloma atriplicifolium Scott D. White 1992-9-11 797 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
  RSA65624  Cylindropuntia echinocarpa F. W. Peirson 1928-4-24 7901 Riverside Hills north and northeast of Cottonwood Springs, north end of Colorado Desert. Comment
  RSA0098478  Cylindropuntia ganderi var. ganderi Marc A. Baker 2015-7-4 18385 .2 Riverside San Jacinto Mountains, 25 km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain. 1236 Comment
  HSC46678  Cylindropuntia ramosissima B. C. Templeton Apr 1965 10526 Riverside Joshua Tree Comment
  RSA297076  Cymopterus panamintensis var. acutifolius John F. Emmel 1974-4-27 486 Riverside Canyon 0.4 air mile NE of peak 3263 on 1956 USGS topographic quad. N end Coxcomb Mts. 762 Comment
  UCR246557  Cynanchum utahense Duncan S. Bell 2009-4-19 273 Riverside Arica Mountains, west side of range, c. 2.5 air miles SW of Priests Well 391 Comment
  UCR275358  Cyperus eragrostis T. B. Salvato, Melissa Clemons 2005-6-9 1501 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  SD146117  Cyperus erythrorhizos A. C. Sanders, D. Bramlet, et al 1999-10-15 23179 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles south east of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Springs (El Casco 7.5' Quadrant); gentle slope, fine clay on dried lake bed; common annual on lower shore zone. 131 Comment
  CDA2591  Cyperus esculentus G. D. Barbe 1973-10-19 1732 Riverside Marshburn Farms. Southeast corner of Van Buren and Road 62, west of Thermal. 0 Comment
  UCR14419  Cyperus odoratus Leonel Sternburg 1974-8-27 s.n. Riverside Santa Ana River Bottom Regional Park. Comment
  CAS-BOT-BC114014  Cyperus rotundus Ralph Hoffman 1927-9-10 s.n. Riverside Cultivated ground near Fontana Comment
  CAS-BOT-BC114017  Cyperus rotundus Frederick Morris Reed 1905-11-12 842 Riverside Raviria Ranch, Blaine Street. Comment
  CHSC97910  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio Comment
  UC60275  Cyperus squarrosus H. M. Hall 1901-1 2663 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  OBI13258  Dalea mollis Lewis S. Rose 1959-1-10 59007 Riverside La Quinta 15 Comment
  SEINET2066052 Image available Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-22 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of HWY 62, along Colorado River Aqueduct (East of Granite Pass 7.5Q). 277 Comment
  CDA26961  Dalea mollissima W. E. Henson 1930-3-1 3694 Riverside Chuckawalla Valley. 0 Comment
  CLARK-A1528-470  Dalea mollissima Rodney Hendrick 1965-3-14 Riverside Box Canyon 182-274 Comment
  UC863727  Dalea mollissima Lewis S. Rose 1936-12-26 36829 Riverside 37 mi. e. Indio (Indio-Blythe Rd.) 762 Comment
  RSA91432  Dalea mollissima F. W. Peirson 1922-4-11 4428 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs 244 Comment
  CLARK-A1656-854  Dalea parryi Jon Mark Stewart 1983-11-14 83-60 Riverside Santa Rosa Mountains 822 Comment
  RSA129648  Dasyochloa pulchella H. S. Yates 1937-3-24 6454 Riverside Deep Canyon, Coachella Valley 457 Comment
  SEINET259017  Dasypyrum villosum B. L. Johnson G 850 Riverside CULTIVATED; Grown at: University of California Los Angeles Comment
  SD70874  Datisca glomerata Helen V. Witham 1969-7-2 168 Riverside De Luz Creek crossing, 4 miles north of De Luz (mak 6/06) 249 Comment
  RSA33373  Datura wrightii N. C. Cooper 1943-9-10 905 Riverside Banning. 610 Comment
  RSA512137  Datura wrightii Ed LaRue 1989-4-20 s.n. Riverside Moreo Valley, old Riverside International Raceway, on Day Street, ca. 1/2 mi. S. of Hwy 60. Comment
  UCR219985  Datura wrightii A. C. Sanders, D. L. Sanders 2010-11-28 38699 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR41237  Datura wrightii N. M. Fellows 1984-3-20 8 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA263731  Daucus pusillus E. W. Lathrop 1966-5-8 6517 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR59694  Daucus pusillus Steve Boyd, T. Ross, et al 1989-5-7 3538 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  UCR19802  Deinandra mohavensis W. W. Mayhew 1977-10-2 s.n. Riverside San Jacinto Mtns, Hwy 243, 1 mi SE of Poppet Flat Road 1372 Comment
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Jan 8 2013
  CAS-BOT-BC131039  Deinandra paniculata A. C. Sanders; T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA735899  Deinandra paniculata Scott D. White, Justin M. Wood 2008-6-3 12058 Riverside Perris Basin: March ARB. Comment
  POM10163  Delphinium parishii C. F. Baker 1921-4-30 4504 Riverside Pinyon Wells 1220 Comment
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Jun 24 2012
  CAS-BOT-BC7977  Delphinium parishii subsp. parishii Emmet Rixford 1917-4-17 S.N. Riverside Coachella Valley. Comment
  LA207619  Delphinium parishii subsp. subglobosum Carl Epling; Mrs. Epling 1937-6-7 sn Riverside 1 mi. above Pine Flat Comment
  SD140017  Delphinium parryi Scott White 1993-4-22 1249 Riverside North Aberhill Ranch, in hills N of Walker Canyon 487 Comment
  UCR162975  Delphinium parryi N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 187 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR193923  Delphinium parryi A. C. Sanders, Mitch Provance 2008-7-11 35786 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
  UCR49250  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  RSA400046  Delphinium patens subsp. hepaticoideum E. Crow 1929-3-17 194 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CAS-BOT-BC198168  Deschampsia danthonioides W. A. Silveus 1938-4-16 2644 Riverside Marsh flying field near Elsinore Comment
  HSC6715  Descurainia pinnata C. L. Hitchcock, C. V. Muhlick 1964-3-22 23247 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  RSA0120236  Descurainia pinnata subsp. brachycarpa Duncan S. Bell, Thomas Stoughton 2016-4-14 9282 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  POM369392  Descurainia pinnata subsp. glabra N. C. Cooper 1944-5-20 1235 Riverside Pinon Flats, Palms to Pines Hwy. 1220 Comment
  UCR16447  Dicentra chrysantha K. Stolte 1978-5-28 s.n. Riverside 3-4 miles east of Junction of Hwy 79 and 371 ('71'), on Hwy 79 Comment
  RSA523966  Dichelostemma capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4012 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR142195  Dichelostemma capitatum June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR18534  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  POM356429  Dicoria canescens L. E. Hoffman 1932-11-26 17094 Riverside Beaumont - Banning Pass [San Gorgorino Pass] Comment
  RSA431198  Dicoria canescens J. C. Roos 1957-12-26 6660 Riverside 6 miles NW of Thousand Palms, Coachella Valley. 152 Comment
  SBBG8045  Dicoria canescens H. and M. Dearing 1940-11-10 5014 Riverside near Whitewater Comment
  RSA773123  Dimorphotheca sinuata Duncan S. Bell, Ryan Parker 2010-6-1 1234 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 779 Comment
  SD129180  Diplachne fusca var. uninervia G. Helmkamp 1989-9-16 Riverside Circa 1/2 mile South of Highway I-8 West of Blythe, in disturbed soil beside alfalfa field at Seeley Road and State Highway 78. 74 Comment
  SD186339  Diplacus brevipes Andy C. Sanders, M. Misenhelter 2005-6-15 30959 Riverside 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summitof (Big) Oak Mtn., SW of Rocky Ridge and SE of Black hills 640 Comment
  SD90541  Diplacus brevipes Robert F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mts.: Abobe James Reserve in Hall Canyon 1676 Comment
  CAS-BOT-BC150678  Diplacus longiflorus Carl B. Wolf 1931-5-11 1960 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  SBBG102809  Diplacus longiflorus D. M. Thompson 1992-5-18 1069 Riverside Lakeview (at Roman Expressway) along Davis Rd; 3.8 road mi S of St Hwy 60 484 Comment
  RSA0018434  Diplacus longiflorus var. calycinus Christopher Davidson 1975-6-16 2803 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  CAS-BOT-BC195679  Distichlis spicata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA114357  Ditaxis lanceolata Percy C. Everett, E. K. Balls 1956-5-2 s.n. Riverside E. base, Eagle Mountains, 8 miles north of jct. with highway 60/70 on road to Eagle Mountain Pumping Station; Creosote Bush Scrub 366 Comment
  RSA171926  Ditaxis lanceolata R. F. Thorne 1963-3-29 32442 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  RSA576024  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCD142304  Ditaxis lanceolata V. W. Steinmann; P. I. Moscosa, T. S. Ross 1998-4-14 1366 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 600 Comment
  UCR114113  Ditaxis lanceolata B. G. Pitzer, J. Ross 1998-3-8 3609 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR200301  Ditaxis lanceolata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11225 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR173880  Ditaxis neomexicana Scott D. White, Michael Honer 2003-5-15 9309 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  UCR41751  Ditaxis neomexicana A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6046 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  RSA530741  Dithyrea californica N. C. Cooper 1949-3-15 3031 Riverside Palm Springs 122 Comment
  UC1922395  Dithyrea californica Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1427 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  POM95407  Dithyrea californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA321312  Dodecahema leptoceras L. B. Ziegler 1967-6-14 158 Riverside Bautista Creek Canyon 750 Comment
  RSA500531  Dodecahema leptoceras Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA753813A  Dodecahema leptoceras D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  UC456194  Dodecatheon alpinum I. J. Condit 1910-6-21 Riverside Tahquitz Camp San Jacinto Mts., Tahquitz Camp 2438 Comment
  RSA263756  Dodecatheon clevelandii E. W. Lathrop 1971-3-21 7452 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  UCR216393  Dodecatheon clevelandii Mike Bell 2008-3-30 021 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR37495  Dodecatheon clevelandii Steve Boyd 1981-3-2 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. by the road behind lookout Comment
  RSA0104456  Draba cuneifolia Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7745 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  RSA82946  Drymocallis glandulosa R. M. Straw 1953-6-5 454 Riverside Fuller Mill Creek Camp, on Idyllwild to Banning Rd. Comment
  CLARK-A1528-27  Dryopteris arguta Noel Wallace 1937-8-15 BS 16 Riverside Box Springs Mountains Comment
  RSA0124009  Dudleya lanceolata Duncan S. Bell 2016-4-14 9281 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCR127557  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR180697  Dudleya multicaulis Mitch Provance 2003-4-26 9880 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  CAS-BOT-BC416941  Dudleya pulverulenta L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  SDSU13053  Dudleya pulverulenta James C. Dice with J. Dewald 1987-9-28 728 Riverside North side of Temecula Gorge, ca. 4.1 km ENE of Galivan Mountain. T82, R2W, northeast 1/4 of northeast 1/4 of section 27. 347 Comment
  RSA0123698  Dudleya saxosa subsp. aloides Duncan S. Bell, LeRoy Gross 2016-3-30 9166 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA164074  Dudleya saxosa subsp. aloides Donald W. Kyhos 1960-06 2 Riverside Bed of San Gorgonio River 2 mi. N or Banning. Comment
  RSA249461  Dudleya saxosa subsp. aloides John F. Emmel 1973-5-12 451 Riverside Dos Palmas Spring & Carrizo Creek wash, NE of Pinyon Crest, E end of San Jacinto Mts. 1067 Comment
  RSA791724  Dudleya saxosa subsp. aloides R. F. Thorne 1995-3-29 63016 Riverside White Water Canyon. 600 Comment
  RSA779017  Echinocactus polycephalus var. polycephalus Duncan S. Bell 2010-4-1 677 Riverside Arica Mountains: east side of mountain range approximately 1.5 air miles northwest of Priests Well, and approximately 5.7 air miles southwest of the ghost town of Rice. 389 Comment
  UCR59537  Echinocereus engelmannii subsp. engelmannii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3581 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  POM78996  Echinochloa crus-galli I. M. Johnston 1925-7-19 s.n. Riverside Pedley. Comment
  SD146025  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23117 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spring 433 Comment
  HSC37506  Ehrendorferia chrysantha J. D. Ackerman, A. M. Montalvo 1975-6-26 529 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  RSA675022  Ehrharta calycina Scott D. White, Tasha LaDoux 2000-4-20 7691 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UC219278  Elatine californica P. A. Munz and I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley San Jacinto Mts 1386 Comment
  RSA357153  Elatine chilensis R. F. Thorne 1973-5-23 43851 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  RSA0108752  Elatine chilensis R. F. Thorne, E. W. Lathrop 1969-5-19 37968 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  UCR280798  Eleocharis bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 B 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
  SD133249  Eleocharis macrostachya A. C. Sanders, E. Rey, et al 1991-4-19 10925 Riverside Edgemont area; east of Sycamore Canyon; 0.8 miles west of Highway I-215 on East Ridge Dive (=Eucalyptus); just west of Pepsi Plant; gently rolling plain. 466 Comment
  POM313068  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1948-9-3 502 Riverside Thermal. Comment
  RSA289841  Eleocharis parishii B. A. Prigge 1980-9-17 4073 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  JOTR00975  Eleocharis parishii Cole, James E. 1941-5-27 810 Riverside Joshua Tree National Park. BARKER DAM Comment
  UCR107742  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 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
  SD178092  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region; Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  RSA0031712  Emmenanthe penduliflora Tamara Joy Hanna 1991-5-19 49 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 mi from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  RSA49178  Emmenanthe penduliflora P. A. Munz 1949-4-13 13055 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA772573  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5009 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UCR133664  Emmenanthe penduliflora Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR140321  Emmenanthe penduliflora A. C. Sanders 2004-5-12 27886 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET12279716  Emmenanthe penduliflora H. M. Hall 1902-1 2986 Riverside vicinity of Riverside, in the Upper Sonoran Zone 457 Comment
  UC101061  Encelia actoni Dr. R. J. Smith 1904-1-1 302 Riverside Cabezon Comment
  UC31392  Encelia actoni H. M. Hall 1901-6-1 2007 Riverside San Jacinto Comment
  UCR87933  Encelia actoni A. C. Sanders, N. Ferguson 1994-6-2 14624 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA691956  Encelia californica Scott D. White, Michael Honer 2003-4-9 8979 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
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  HSC84144  Encelia farinosa Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtns.; 1 mi. up Bee Canyon off of Hwy. 74 457 Comment
  UC1118072  Encelia farinosa A. Lewis 1933-1-28 143 Riverside San Jacinto Quadrangle, Reservoire Butte 579 Comment
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Oct 30 2011
  UCD19707  Encelia farinosa Donald W. Kyhos 1963-4-3 63 -6 Riverside East of junction of Mockingbird Canyon Rd. on Van Buren Blvd. in Arlington. Comment
  JOTR35369  Encelia frutescens Harding, Mitzi, M. Wheeler 2011-1-26 153 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  UCSB70499  Encelia virginensis Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) South on Highway 74 from junction with Highway 111 at Indian Wells; Whittaker transect #W-220 950 Comment
  NY70188  Ephedra aspera L. M. Shultz 1985-4-10 8330 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15) 615.7 Comment
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Apr 5 2011
  SD229015  Ephedra aspera Dick Schwenkmeyer 2013-6-11 915 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  POM282135  Ephedra californica Lyman Benson 1933-3-31 4163 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  UCR227829  Ephedra californica R. F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR240047  Ephedra californica A. C. Sanders, Chika Mori 2011-6-15 39665 Riverside Sonoran (Colorado) Desert, NW Coachella Valley, Worsley Rd. 0.1 mile above North Indian Dr., at mouth of Dry Morongo Canyon, just east of Hwy 62 534 Comment
  UCR41339  Ephedra californica N. M. Fellows 1985-3-3 98 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  SBBG29377  Ephedra nevadensis D. Myrick 1968-3-4 1803 Riverside Desert Hot Springs 304 Comment
  HSC88285  Ephedra trifurca Elizabeth Neese 1979-4-11 7108 Riverside 3 mi. S of Rue, 40 mi. NW of Blythe Comment
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Jul 8 2010
  CAS-BOT-BC165934  Epilobium campestre A. C. Sanders; T. B. Salvato 2001-5-25 24376 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  CAS-BOT-BC171746  Epilobium canum subsp. latifolium Lewis S. Rose 1945-12-28 45340 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert 213 Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA0103095  Epilobium glaberrimum subsp. glaberrimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8545 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA588572  Epilobium glaberrimum subsp. glaberrimum E. C. Jaeger 1921-7-1 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  SEINET13710791  Epipactis gigantea A. Alexis, A. Alexis 1978-1 Riverside Along State Highway 74 Near Sitton Peak Comment
  RSA741376  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside Johnson Meadow. 1415 Comment
  UCR158283  Eragrostis cilianensis Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  SEINET10907798  Eragrostis diffusa Philip A. Munz 1928-9-6 Munz 11286 Riverside Hills near Santa Ana River, Ontario-to-Corona road Comment
  UCR113924  Eragrostis pilosa var. pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA605216  Eremalche exilis A. C. Sanders, G. Helmkamp, P. Mackay 1995-3-12 16022 Riverside Sonoran (Colorado) Desert Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111). -7 Comment
  SD28021  Eremalche exilis Carl B. Wolf 1932-4-27 3027 Riverside Mecca-Blythe Road; 0.75 mile west of Utopia. 152 Comment
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Dec 11 2011
  UCR214881  Eremalche exilis A. C. Sanders 2010-3-23 37550 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR6071  Eremalche exilis A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 8.4 mi. NW of Palm Springs Post Office on Highway 111, 200 yards north of highway 244 Comment
  SD113835  Eremalche rotundifolia Darley F. Howe 1952-4-28 2197 Riverside Box Canyon, east of Mecca. Comment
  UCR92752  Eremalche rotundifolia George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA450313  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  CAS-BOT-BC160051  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  JEPS31754  Eremothera refracta W. L. Jepson 1928-4-25 12595 Riverside n Mecca; Cottonwood Mts., Cottonwood Spr. Comment
  RSA0105510  Eriastrum densifolium subsp. austromontanum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA0105460  Eriastrum densifolium subsp. austromontanum Mary F. Spencer 1921-6-30 1190 Riverside Idyllwild. San Jacinto Mountains. 1616 Comment
  SEINET3224412  Eriastrum diffusum G. Goodwin 2012-6-15 3466 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  SD45397  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  RSA0110192  Eriastrum harwoodii Duncan S. Bell 2010-5-2 914 Riverside West side of the Arica Mountains; in main western drainage; approximately 2.5 air miles west of Priest Well. 417 Comment
  RSA0120679  Eriastrum harwoodii Duncan S. Bell 2012-4-5 3305 Riverside 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. Approx. 6.75 air miles directly north of Hell. 137 Comment
  UC133930  Eriastrum sapphirinum Charlotte M. Wilder 1903-6-4 45 Riverside near Riverside; Wilder's Comment
  UC718526  Eriastrum sapphirinum P. C. Everett 1935-6-18 7176 Riverside on road to Santiago Peak near Ortega Highway; Santa Ana Mts., San Juan Canyon 701 Comment
  UCR58302  Eriastrum sapphirinum George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  RSA0122955  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6946 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  UCR139651  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, just off Wickard Rd. c. 1 mile east of the "Menifee-Antelope Community Hall", 5 miles due south of Sun City 476 Comment
  CAS-BOT-BC299528  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-23 12299 Riverside Murietta Comment
  UC415762  Ericameria palmeri var. pachylepis E. C. Jaeger 1921-11-15 Riverside Morongo Pass Comment
  JOTR33714  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  UC1751187  Ericameria paniculata S. B. Parish 655 Riverside Whitewater Comment
  UCR9133  Ericameria pinifolia Frank C. Vasek 1969-10-14 s.n. Riverside Box Springs Mtns, on an imaginary line c. 1/2 way between the terminus of Pennsylvania Ave. (now Martin Luther King Blvd, 2000) & the radio transmission towers Comment
  LA203162  Ericameria teretifolia Lewis S. Rose; 1936-12-24 36815 Riverside San Jacinto Mountains, Palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  UC1329851  Ericameria teretifolia James E. Cole 1941-10-20 929 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  CAS-BOT-BC293301  Ericameria teretifolia Lewis S. Rose 1936-12-24 36815 Riverside San Jacinto Mts., Palms to Pines Highway. 24 mi. SW. of Indio 1066 Comment
  RSA720457  Erigeron breweri var. covillei Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1693 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1585 Comment
  UC68919  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench Comment
  UCR225682  Erigeron foliosus var. foliosus Steve Boyd, Valerie Soza 2004-6-22 11548 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCD65715  Eriochloa acuminata Malcolm A. Nobs; S. Galen Smith 1948-9-3 495 Riverside Imperial Valley, 2 miles north of Indio. Comment
  LA102173  Eriochloa aristata var. aristata John C. Roos; 1965-9-26 sn Riverside Indio Comment
  UCR26265  Eriochloa contracta John C. Roos 1963-8-10 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley, Blythe 82 Comment
  UCR87934  Eriodictyon crassifolium var. crassifolium A. C. Sanders, N. Ferguson 1994-6-2 14623 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  CAS-BOT-BC188973  Eriodictyon parryi H. M. Hall 1896-9-2 332 Riverside San Jacinto Mountains Comment
  CLARK-A1528-2971  Eriodictyon trichocalyx John C. Roos 1948-5-1 3814 Riverside Whitewater 609 Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  OBI26129  Eriogonum David J. Keil 1976-12-12 11907 Riverside Ca 5 mi E of Indio along I-10 Comment
  SBBG61842  Eriogonum apiculatum R. Hoffmann 1929-9-7 Riverside Fuller's Mill Comment
  JEPS122476  Eriogonum davidsonii J. M. Andre 2012-6-15 30517 Riverside San Jacinto Mountains; along Highway 243, 8.6 miles south of Interstate 10 (Banning), just northeast o Hungry Hollow and Poppet Flat; San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  JOTR29585  Eriogonum davidsonii Andre, Jim 2006-4-26 6764 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA666776  Eriogonum davidsonii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA783168  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 384 Riverside San Jacintos, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  SEINET269566  Eriogonum davidsonii G. R. Ballmer, K. T. Stockwell 1995-6-24 Riverside San Jacinto Mountains: along trail from Mason Ranch Road to Pacific Crest Trail near Pyramid Peak 1981 Comment
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Jul 6 2014
  UC534918  Eriogonum davidsonii Susan G. Stokes 1933-7-1 76 Riverside road to Idyllwild Comment
  UCR89690  Eriogonum davidsonii G. R. Ballmer 1992-5-17 92 35 Riverside Santa Rosa Mtns, Deep Canyon, trail from Hwy 74 to bottom of canyon, in vicinity of Pinyon Crest 915 Comment
  CDA22575  Eriogonum deflexum T. C. Fuller 1962-10-2 9699 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  RSA393270  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3315 Riverside Desert Center. 610 Comment
  RSA191436  Eriogonum elongatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6655 Riverside 4 mi. NW of Murietta, 1 mi. W of Santa Rosa Ranch. Comment
  RSA443545  Eriogonum elongatum J. C. Roos 1965-9-14 s.n. Riverside Hills south of Beaumont. Comment
  SEINET208629  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1914-5-17 5986 Riverside unspecified 762 Comment
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Jul 30 2013
  CAS-BOT-BC249956  Eriogonum fasciculatum var. foliolosum P. A. Munz; R. D. Harwood 1920-2-28 3257 Riverside 3 mi west of Corona 335 Comment
  SD1336  Eriogonum fasciculatum var. foliolosum F. Woodstock 1926-3-15 Riverside Palm Springs Comment
  UC1393130  Eriogonum fasciculatum var. foliolosum John L. Strother 1970-7-7 993 Riverside at Alberhill Alberhill Comment
  UCR92291  Eriogonum fasciculatum var. foliolosum Scott D. White, M. A. Patten 1995-8-16 3547 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
  JOTR30059  Eriogonum fasciculatum var. polifolium La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1691 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  POM158443  Eriogonum fasciculatum var. polifolium P. A. Munz 1927-5-21 10880 Riverside 10 miles SW of Coahiula. 1372 Comment
  RSA613762  Eriogonum fasciculatum var. polifolium B. Pitzer 1997-4-20 3195 Riverside Lakeview Mtns: Warren Rd., just before it connects with Pulsar View Rd., ca. 1 air mi. N of Juniper Flats Rd. 518 Comment
  RSA650861  Eriogonum fasciculatum var. polifolium C. J. Humphrey, Herbert Humphrey 1936-6-7 49 Riverside In foothills 18 miles East of Riverside. 549 Comment
  UC1329836  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-21 765 Riverside Quartz Outcrop Joshua Tree National Monument, Quartz Outcrop 914 Comment
  UCR121337  Eriogonum fasciculatum var. polifolium A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25034 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCSB1525  Eriogonum fasciculatum var. polifolium Ullman, Sydney 1956-4-14 Riverside Town of Whitewater Comment
  CAS-BOT-BC253494  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2857 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild, San Jacinto Mountains Comment
  CAS-BOT-BC253497  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6614 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Statoin, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  UCR177631  Eriogonum gracile John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., near Reed Valley on powerline trail west of Juan Diego Flats, NW of Cahuilla Mountain 1067 Comment
  RSA239204  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp. Comment
  RSA561411  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7682 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
  RSA289829  Eriogonum gracile var. incultum Barry A. Prigge 1980-8-25 4021 Riverside San Gorgonio Pass: 1 mi. SE of Fingal siding, S Pacific RR. 445 Comment
  JOTR29505  Eriogonum heermannii var. argense Bell, Mike, Colleen Ely 2006-9-6 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Echo Cove parking area 1286 Comment
  CAS-BOT-BC257579  Eriogonum inflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  SEINET4087516  Eriogonum inflatum G. T. Manthey 1977-1 1630 Riverside Road leading from Mecca to Joshua Tree National Monument. Comment
  UC666511  Eriogonum inflatum var. deflatum Annie M. Alexander and Louise Kellogg 1941-5-28 2263 Riverside e on Metropolitan Aqueduct road Hayfield (on bank below road); Colorado Desert Comment
  RSA783167  Eriogonum lobbii J. D. Olmsted 1959-7-1 790 Riverside 0.5 mi. below Deer Springs on Deer Springs trail north of Idyllwild, N Fk. San Jacinto River drainage, west-southwest slope 2500 Comment
  CAS-BOT-BC270596  Eriogonum molestum Peter H. Raven; R. Snow 1957-7-26 11124 Riverside 1.8 mi. above Lake Fulmor, San Jacinto Mts. Comment
  UCD100480  Eriogonum nidularium G. L. Webster; R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument, at Split Rock. 1310 Comment
  RSA423124  Eriogonum plumatella Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  UCR5712  Eriogonum pusillum Frank C. Vasek 1960-3-17 600317- 04 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
  UCSB18463  Eriogonum pusillum Schevill, Peggy 1963-5-5 Riverside State Highway 74; about 5 miles N-NW of Pinyon Flats Campground 731 Comment
  UCSB22184  Eriogonum pusillum Keefe, Joseph 1967-3-23 Riverside above Twentynine Palms Hwy; 3.8 mi N of Mission Creek Road; Morongo Valley 685 Comment
  CAS-BOT-BC253019  Eriogonum reniforme John H. Thomas 1957-3-30 6575 Riverside About 3 miles southeast of White Tank near the road to Cholla Cactus Garden about 20 miles northeast of Indio, Joshua Tree National Monument 883 Comment
  CAS-BOT-BC253023  Eriogonum reniforme John Thomas Howell 1931-6-5 6654 Riverside 1 mile east of Whitewater Comment
  UC185100  Eriogonum reniforme S. B. and W. F. Parish Apr 1882 Riverside Agua Caliente Comment
  UCR41744  Eriogonum reniforme A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6069 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  RSA0127853  Eriogonum reniforme G. Rink 2013-3-29 11917 Riverside About twelve miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. Comment
  JOTR32352  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 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
  RSA776626  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 940 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UC634598  Eriogonum thomasii Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  RSA0009607  Eriogonum thomasii Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  CAS-BOT-BC262869  Eriogonum thurberi Peter H. Raven; Sidney R. Snow 1956-6-30 9542 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  POM47236  Eriogonum thurberi Mary F. Spencer 1920-4-6 s.n. Riverside Palm Springs. 122 Comment
  RSA424979  Eriogonum thurberi Anstruther Davidson 1892-04 s.n. Riverside Palm Springs. Comment
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Oct 3 2010
  RSA525239  Eriogonum thurberi Steve Boyd, Tim S. Ross 1990-5-11 4616 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UC1032224  Eriogonum trichopes H. S. Yates 1937-6-28 6737 Riverside near Palm Springs; San Jacinto Quadrangle Comment
  UC666509  Eriogonum trichopes Annie M. Alexander and Louise Kellogg 1941-5-28 2262 Riverside Metropolitan Aqueduct Road e Hayfield Comment
  LA207117  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1938-8-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  UC1080367  Eriogonum wrightii var. membranaceum E. K. Balls and P. C. Everett 1957-8-20 22674 Riverside Hamilton Grade along rd. from Palms to Pines Hwy. to Aguanga; Hamilton Grade 1463 Comment
  UC6553  Eriogonum wrightii var. membranaceum H. M. Hall July, 1901 2608 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR131586  Eriogonum wrightii var. nodosum L. C. Wheeler 1933-12-1 2294 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Tahquitz Canyon 152 Comment
  UCR145966  Eriogonum wrightii var. nodosum June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC297346  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta, S of the Hogbacks. N of Hunter Rd to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Rd on the W 402 Comment
  CLARK-A1528-207  Eriophyllum confertiflorum C. M. Flanagan 1973-5-20 OO 523 Riverside Morongo Indian Reservation 1158 Comment
  RSA36563  Eriophyllum confertiflorum Sara M. Schenck 1942-6-3 s.n. Riverside Black Rock Springs, Joshua Tree National Monument. 1140 Comment
  RSA695682  Eriophyllum confertiflorum Kenneth Beard 1934-04 s.n Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
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Oct 31 2011
  UCR231808  Eriophyllum confertiflorum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 15 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UC917903  Eriophyllum confertiflorum var. confertiflorum Frank W. Gould 1943-4-18 2150 Riverside 1 mi w Banning (in the foothills of the San Jacinto Mountains); San Jacinto Mountains Comment
  CAS-BOT-BC301791  Eriophyllum multicaule Frank W. Peirson 1922-4-29 2927 Riverside Road to Leach Canyon, about 1 mile north of Lake Elsinore Comment
  POM358077  Eriophyllum multicaule E. Crow 1929-04 337 Riverside N of Alberhill. Comment
  POM358078  Eriophyllum multicaule B. C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  UC891163  Eriophyllum multicaule Marcus E. Jones, A. M. 1882-4-25 3173 Riverside San Jacinto Comment
  CAS-BOT-BC296972  Eriophyllum wallacei S. B. Parish 1916-5-13 10802 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  UCR155320  Erodium brachycarpum A. C. Sanders, Mike Misenhelter 2005-3-23 29247 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR202505  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  OBI14091  Erodium texanum Robert F. Hoover 1969-4-14 11238 Riverside Palm Springs, just S of S city limit Comment
  SEINET7048022  Erodium texanum Steven R. Hill, Kate Kramer 2001-4-27 33491 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  UCR174958  Erysimum capitatum Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 352 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  RSA0020239  Erythranthe floribunda Steve Boyd 1991-6-8 6330 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  SD120077  Erythranthe parishii Louis B. Ziegler 1969-6-12 381 Riverside San Jacinto Mountains - Hemet Valley. In streambed, near Pine Meadows region 1431 Comment
  RSA0014883  Erythranthe primuloides J. D. Olmsted 1959-7-7 740 Riverside Skunk Cabbage Meadow, 5 mi. east of Idyllwild. Tahquitz Creek drainage area. 2409 Comment
  UCD96515  Eschscholzia androuxii Shannon M. Still; Robert Lee 2009-3-3 455 Riverside California. Riverside County: Joshua Tree National Park. Cottonwood bajada. 636 Comment
  POM293998  Eschscholzia californica Lyman Benson, Robert Benson 1952-4-8 14850 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UC64136  Eschscholzia californica H. M. Hall 1897-4-18 445 Riverside Beaumont Comment
  SEINET13710935  Eschscholzia californica S. W. Austin, S. W. Austin 1969-1 27 Riverside W Side of Mts, E of Rr Tracks & N of RaviNE North of Big Springs Rd, Above 2000 Ft 610 Comment
  CHSC8444  Eschscholzia minutiflora Edward Laidlaw Smith 1958-3-21 370 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  RSA445667  Eschscholzia minutiflora N. C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  RSA445668  Eschscholzia minutiflora M. B. Dunkle 1937-3-25 4917 Riverside Colorado Desert. Shaver's Well Comment
  RSA703804  Eschscholzia minutiflora LeRoy Gross 2005-3-3 1605 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SD258461  Eschscholzia minutiflora J. M. Andre 2013-3-27 24834 Riverside Riverside Mountains; along Wilson River Crossing Rd, 0.8 mile east of Highway 95, 12.4 miles south of Vidal Jct. Sandy bluffs above Colorado River flood plain. 114 Comment
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  UCD94285  Eschscholzia minutiflora Shannon M. Still 2009-2-21 438 Riverside California. Riverside County. 223 Comment
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Sep 2 2017
  UCD95441  Eschscholzia papastillii P. C. Everett; E. K. Balls 1958-4-29 23013 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 548 Comment
  UCD96466  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 260 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  RSA445440  Eschscholzia parishii Robert Gustafson 1980-4-3 1529 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  RSA703477  Eschscholzia parishii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1421 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA767449  Eschscholzia parishii Jim Andre, Tasha La Doux 2009-3-10 11234 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
  SD260096  Eschscholzia parishii J. Andre 2012-4-11 20783 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  RSA776842  Eschscholzia parishii Amber Swanson, Duncan S. Bell 2011-3-18 227 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  UCR260606  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  RSA420931  Eucrypta chrysanthemifolia Christopher Davidson 1973-4-1 1801 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  UCR120658  Eucrypta chrysanthemifolia D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1807 A Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UC1424860  Eucrypta chrysanthemifolia var. chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside hills e Norco Comment
  UCR149996  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR237628  Eucrypta micrantha Duncan S. Bell 2010-3-20 607 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  RSA0124118  Eulobus californicus Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8742 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  LA104420  Euonymus occidentalis var. parishii Robert F. Thorne; 1969-10-25 41851 Riverside San Jacinto Mountains, James Reserve Comment
  RSA113529  Euonymus occidentalis var. parishii E. K. Balls, C. H. Dodson 1955-9-20 21442 Riverside Just below Dark Canyon campground. 1616 Comment
  UCR240266  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2072 Riverside Sonoran (Colorado) Desert, NW of Blythe, north side of 6th Ave. c. 1/2 mile west of Colorado River 87 Comment
  RSA295244  Euphorbia eriantha N. R. Zabriskie, Walter M. Zabriskie 1968-2-11 111 Riverside East of trail approaching Eagle Pk., Andreas Canyon. Comment
  UCR114025  Euphorbia maculata Mitch Provance 2000-6-24 2048 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR181163  Euphorbia ophthalmica R. E. Riefner Jr. 2005-8-7 05- 591 Riverside Sonoran (Colorado) Desert, Coachella Valley; Rancho Mirage, along Hwy 111 76 Comment
  UC219065  Euphorbia palmeri P. A. Munz 1922-6-28 5882 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  UC869050  Euphorbia palmeri C. Epling and Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  RSA220978  Euphorbia peplus E. W. Lathrop 1966-5-8 6410 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA717574  Euphorbia polycarpa A. C. Sanders 2004-2-6 27386 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called Trilogy at Glen Ivy, south of Brown Canyon 442 Comment
  UCR112556  Euphorbia polycarpa A. C. Sanders 1998-3-17 21747 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  OBI14406  Euphorbia polycarpa var. hirtella Robert F. Hoover 1966-10-15 10157 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  SD83592  Euphorbia polycarpa var. hirtella R. Mitchel Beauchamp 1970-11-15 1391 Riverside 7 miles east of Mecca in sandy areas 89 Comment
  UCR239870  Euphorbia prostrata O. F. Clarke 2004-5-4 s.n. Riverside Riverside, UCR Campus 335 Comment
  UCR156097  Euphorbia serpillifolia T. B. Salvato, Kent Beaman 2005-5-16 861 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
  UC1931118  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  SD224944  Euphorbia setiloba G. K. Helmkamp 1998-4-4 3161 Riverside Colorado Desert: 7.1 mi N of Hwy I-10 on Eagle Mrn Rd, to the vicinity of the pumping station. 305 Comment
  UCD142866  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7462 Riverside Joshua Tree National Mon., Cottonwood Canyon. 701 Comment
  CDA39715  Eustoma exaltatum Leo Kroonen 1943-10-18 s.n. Riverside Corona. 0 Comment
  SD187366  Euthamia occidentalis Scott D. White, Angelia Carey 2004-9-16 10758 Riverside Indian Creek watershed, above confluence with San Jacinto river. 579 Comment
  SDSU11512  Fagonia chilensis var. laevis A. H. Gallup 1949-3-28 376 Riverside Near Palms to Pines Hwy. 732 Comment
  POM182066  Fagonia laevis Philip A. Munz 1932-3-14 11982 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  RSA77840  Fagonia laevis F. Brubaker, Margaret Slaton 1929-4-28 495 -54 Riverside Hidden Springs, Colorado Desert Comment
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Nov 11 2011
  RSA439066  Ferocactus cylindraceus H. de Forest 1924-4-15 s.n. Riverside Near Whitewater Highway. Palm Springs Road. Comment
  CLARK-A1528-4652  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Fairmount Park 259 Comment
  UCR18355  Festuca myuros George K. Helmkamp 1977-5-19 s.n. Riverside San Jacinto Mtns., Near Twins Pines Turnoff on Hwy 243, Valley [Hi Co.] Park area 1220 Comment
  UCR214287  Festuca octoflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37486 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
  UCR87146  Festuca octoflora A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16234 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA717499  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA561818  Filago californica Steve Boyd 1992-4-14 6824 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA1241  Forestiera pubescens B. D. Stark 1930-3-17 1486 a Riverside Cajalco District, Riverside County. Comment
  UC511831  Forestiera pubescens Frank W. Peirson 1933-4-13 10647 Riverside road from Deep Canyon to Idyllwild (at Palm Creek crossing) 1386 Comment
  UCR4475  Forestiera pubescens L. B. Ziegler 1963-3-18 s.n. Riverside 2 mi south of Mt. Russel (S of Moreno) Comment
  UC19171  Fouquieria splendens subsp. splendens H. M. Hall 1902-4-11 2789 Riverside Coyote Canyon Colorado Desert (w borders of Colorado) 152 Comment
  UCR274537  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR92241  Fraxinus dipetala Scott D. White 1994-3-29 1935 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SD186260  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Viverside, along Spring Brook between Lake Evans and the Santa Ana River. 238 Comment
  UC22603  Fraxinus velutina Mrs. Flora C. R. Price 1901-8-1 Riverside sw base San Jacinto Mt. 670 Comment
  POM158458  Funastrum cynanchoides var. hartwegii P. A. Munz 1927-5-21 10871 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  POM75819  Funastrum cynanchoides var. hartwegii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA2592  Funastrum cynanchoides var. hartwegii J. T. Howell 1928-7-9 1065 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  JOTR36473  Funastrum hirtellum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3441 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  POM259736  Funastrum hirtellum E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  RSA25130  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  LA35621  Galium andrewsii Ronald A. Cross; April 1952 - May 1952 Riverside California State Hwy. 74 near Santa Rosa Summit (aprox. 3 Mi. south) Comment
  RSA0120004  Galium andrewsii Duncan S. Bell, Thomas Stoughton 2016-4-13 9257 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  POM11431  Galium andrewsii subsp. andrewsii Philip A. Munz 1922-7-3 5958 Riverside South side of Santa Rosa Mts. 1677 Comment
  UCR201640  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-18 12211 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  LA208321  Galium angustifolium Carl Epling; 1932-6-24 Riverside San Jacinto Mountains, near Idlywild Comment
  SEINET237962  Galium angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23396 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR180698  Galium angustifolium Mitch Provance 2003-4-26 9881 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA6036  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-8-4 3921 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  RSA674659  Galium angustifolium subsp. angustifolium Scott D. White 2000-8-5 8117 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA720458  Galium angustifolium subsp. angustifolium Naomi S. Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1694 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1585 Comment
  RSA87112  Galium angustifolium subsp. angustifolium F. W. Peirson 1920-6-22 4500 Riverside Dripping Springs, Temecula River 457 Comment
  UCR147545  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 b Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA524227  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4021 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1979678  Galium aparine Darin L. Banks, Steve Boyd 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. Comment
  UCR108396  Galium aparine D. L. Banks, V. W. Steinmann 1997-3-13 1463 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
  RSA701501  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1296 Riverside Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows. 1418 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
  UC64376  Galium parishii H. M. Hall 1897-8-11 825 Riverside near Long Valley; San Jacinto Mountains, Tamarack Valley 2560 Comment
  RSA543617  Galium porrigens Steve D. Boyd 1991-5-7 6152 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  JOTR29311  Galium stellatum var. eremicum La Doux, Tasha, Mike Bell 2006-5-17 1388 Riverside Joshua Tree National Park. East Deception Canyon Comment
  LA208441  Galium stellatum var. eremicum Ralph Hoffmann; 1931-6-14 509 Riverside 6 mi S of 29 Palms on road to Gold Park Comment
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Mar 9 2014
  LA208453  Galium stellatum var. eremicum Ira L. Wiggins; Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs canyon Comment
  CAS-BOT-BC178388  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside By Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N Slope Santa Rosa Mts. 1097 Comment
  CAS-BOT-BC158023  Garrya veatchii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18121 Riverside San Bernardino Mtns.; Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats, along the road below the pond 1097 Comment
  POM15056  Gayophytum diffusum subsp. parviflorum Mary F. Spencer 1922-7-2 703 Riverside Idyllwild, San Jacinto Mountains. 1524 Comment
  POM17812  Gayophytum diffusum subsp. parviflorum P. A. Munz, D. D. Keck 1923-6-14 7092 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  UCR248028  Gelsemium sempervirens O. F. Clarke 2010-7-30 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  CAS-BOT-BC303572  Geraea canescens David D. Dunn 1946-2-23 1962 Riverside All American Canal catch basin from desert washes. Orascopia Mts NE of the Salton Sea Comment
  RSA0107852  Geraea canescens Duncan S. Bell, Amanda Turek 2009-3-30 164 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA278960  Geraea canescens B. A. Prigge, L. Martinez 1978-3-23 2403 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
  SD186237  Geranium dissectum A. C. Sanders 2004-4-20 27569 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA4383  Gilia angelensis Dorothy R. Wolf 1932-3-20 29 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UC880102  Gilia angelensis I. W. Clokey, B. C. Templeton 1930-4-9 4661 Riverside n Banning; n of Banning 1100 Comment
  UCR232052  Gilia angelensis John F. Green 2008-4-15 0408- 15 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
  UCR263018  Gilia angelensis Daphne K. Christopher, Hannah I. Stevens 2003-4-6 106 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 540 Comment
  UCR97492  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19882 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR42390  Gilia capitata D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA67077  Gilia capitata subsp. abrotanifolia Verne Grant, Alva Grant 1951-6-4 16010 Riverside Small canyon 2 mi. s. of Temecula on Hwy 395. 335 Comment
  RSA71798  Gilia capitata subsp. abrotanifolia F. W. Peirson 1924-7-29 5034 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  SBBG101800  Gilia capitata subsp. abrotanifolia S. Boyd with T. Ross, M. Hammitt 1991-5-2 6049 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SD251265  Gilia capitata subsp. abrotanifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49729 Riverside Santa Ana Mountains: Bear Spring. Comment
  CHSC108904  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1349 Comment
  RSA171376  Gilia diegensis J. D. Olmsted 1962-5-3 3504 Riverside San Jacinto Mts 1616 Comment
  UC908061  Gilia latifolia Frank W. Peirson 1926-1-31 6498 Riverside Dos Palmas Comment
  UCR169782  Gilia minor Scott D. White, Jennifer H. Jones 2005-5-24 10913 B Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  CAS-BOT-BC407603  Gilia ochroleuca subsp. exilis Carl Meyer 1927-6-1 193 Riverside Below Saunder's Meadow, San Jacinto Mountains 1584 Comment
  SD38842  Gilia ochroleuca subsp. exilis Edith A. Purer 1935-4-21 6441 Riverside Pine Valley, Pines to Palms Highway. Comment
  UCR201467  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-5-15 11979 Riverside San Jacinto Mountains, Johnson Meadow 1476 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
  RSA172282  Gilia stellata R. F. Thorne 1963-3-29 32396 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA703478  Gilia stellata LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1422 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  UC667389  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2168 a Riverside 5.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 502 Comment
  UCR18175  Gilia stellata A. C. Sanders 1978-4-1 516 Riverside Santa Rosa Mtns, Pinyon Flats area, east side of Sugarloaf Mountain above Highway 74 1220 Comment
  UCR88428  Gilia stellata A. C. Sanders, K. C. Rose 1995-4-5 16348 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SEINET4042367  Gilia tenuiflora O. M. Clark 1929-1 1687 Riverside South Cabazon, southern California. Comment
  RSA585812  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0346 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
  UCR282350  Glinus lotoides Mitch Provance, Jeremiah George 2017-7-26 717- 01 Riverside San Bernardino Valley, Jurupa Valley, northeast side of the Riverside Basin, just SE of Philadelphia St. and Wineville Rd. 247 Comment
  SD146272  Glycyrrhiza lepidota A. C. Sanders, Mitch Provance and B. Pitzer 2000-9-27 23678 Riverside Southwest side of Mt. Rubidoux, northwest of intersecdtion of Tequesquite Ave. and Gregory Rd., nbear confluence of Arroyo Tequesquite and the river. 231 Comment
  RSA596185  Gnaphalium canescens subsp. beneolens D. L. Banks 1996-11-7 1211 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  CAS-BOT-BC307401  Gnaphalium palustre Philip A. Munz 1941-5-18 16649 Riverside About 15 miles northeast of Temecula Comment
  RSA713787  Gnaphalium palustre A. C. Sanders, Kelly Volansky 2005-3-17 29209 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  SEINET6413738  Gnaphalium palustre R. Spellenberg 2014-5-7 14777 Riverside S of Moreno Valley, 1.6 km N of Ramona Expressway on Davis Road, toward San Jacinto Wildlife Area. 435 Comment
  UC64146  Gnaphalium palustre H. M. Hall 1897-8-11 812 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2743 Comment
  CLARK-A1528-227  Gutierrezia bracteata R. P. Sunderman 1968-5-1 1 Riverside Riverside 335 Comment
  CAS-BOT-BC304638  Gutierrezia californica Meredith A. Lane 1982-10-13 3028 Riverside 45.2 km (28.1 mi) E of Kern Camp Summit of the San Jacinto Mountains on California State Highway 74 Comment
  CDA6150  Gutierrezia californica T. C. Fuller 1961-10-18 7160 Riverside Green River Station, Highway 91, 0.5 mile west of Prado Dam Road. 0 Comment
  RSA0094904  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41738 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  RSA543298  Gutierrezia californica Steve Boyd 1991-3-17 5513 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
  UCR14021A  Gutierrezia sarothrae George K. Helmkamp 1973-10-3 s.n. Riverside San Jacinto Mtns, On Palms to Pines Hwy at junction to Idyllwild [Mountain Center] Comment
  CLARK-A1528-1881  Haplopappus cuneatus John C. Roos 1942-10-24 2575 Riverside Joshua Tree National Park Comment
  UCR197062  Haplopappus menziesii A. C. Sanders, D. L. Sanders 2008-9-27 36101 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CAS-BOT-BC231099  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, just E of claymine area 487 Comment
  CAS-BOT-BC231100  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR113542  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR167790  Hedypnois cretica T. B. Salvato, Gregg Miller 2005-6-3 1383 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  RSA2830  Helianthemum scoparium var. aldersonii J. T. Howell 1928-7-8 1046 Riverside Santa Ana Mountains above Glen Ivy 1220 Comment
  UCR167807  Helianthus annuus T. B. Salvato, Melissa Clemons 2005-6-23 1314 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA0036833  Helianthus annuus Phil Elliott 1981-2-16 5 Riverside West of Lake Matthews, On Cajalco Rd., 1 mile north of CA Hwy.71. Comment
  POM360007  Helianthus gracilentus N. C. Cooper 1949-6-29 4301 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR3836  Helianthus gracilentus John Minnich 1964-6-5 640605- 02 Riverside Santa Ana Mtns, Hwy 74 610 Comment
  RSA450431  Hemizonia fasciculata J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  UCR235082  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40231 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  UCR275199  Hemizonia kelloggii T. B. Salvato, Gregg Miller 2005-6-7 1453 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  UCR58493  Hemizonia kelloggii Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  UCR195120  Hemizonia mohavensis A. C. Sanders, Tim Thomas 2008-8-1 35966 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR266357  Hemizonia paniculata D. E. Bramlet 2005-6-28 3884 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR79491  Hesperocnide tenella Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7359 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCR92701  Hesperocnide tenella A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18033 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA559362  Heterocodon rariflorum Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-13 7380 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA740766  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-19 12264 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  UCSC001315  Heterocodon rariflorum Peter Kamb 1948-7-11 1202 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  SEINET2052698 Image available Heterotheca fastigiata B. Pitzer 1986-5-24 235 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi. N of hatchery boundary. Whitewater 7.5' quad. 731 Comment
  SD63342  Heuchera hirsutissima Walter Bertsch 1957-6-29 955 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  CAS-BOT-BC425261  Heuchera rubescens Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Peak, San Jacinto Mts. 3293 Comment
  JOTR31944  Hibiscus denudatus La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2182 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA457780  Hibiscus denudatus Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2218 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 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
  UC489128  Hieracium horridum C. V. Meyer 1928-7-31 610 Riverside Tahquitz Peak San Jacinto Mts., Tahquitz Peak 2682 Comment
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Aug 3 2008
  SEINET229274 Image available Hilaria rigida L. M. Shultz, JS Shultz 1985-4-15 8244 Riverside Chuckawalla Valley depression along Wiley's well rd 122 Comment
  UCR124099  Hilaria rigida Steven R. Hill 2001-5-3 33679 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UC519796  Hirschfeldia incana Joseph Andorfer Ewan 1932-7-9 7992 Riverside 1 mi N of Rincon (Chino Creek bottoms at Santa Ana River) Comment
  SDSU7779  Hoffmannseggia microphylla unknown 1952-4-27 Riverside Junction of All-American Canal and Highway east of Mecca. Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  RSA192094  Holocarpha virgata subsp. elongata E. W. Lathrop 1965-9-22 6025 Riverside 8 miles W of Murrieta Comment
  RSA449811  Holodiscus microphyllus Anstruther Davidson 1896-07 2745 Riverside Top of San Jacinto Mountains Comment
  UCR103749  Hordeum depressum D. E. Bramlet 1993-3-30 2302 Riverside Siegal Ranch Road approximately 60 m south of Cajalco Road and 976 m east of the intersection of Cajalco Road and Sierra Avenue, 2 m west of Siegal Ranch Road 427 Comment
  UCR112394  Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  RSA731978  Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range: NE edge of city of Elsinore, off Nichols Rds. along Baker St. near Durant Siding. 383 Comment
  CAS-BOT-BC280868  Hordeum marinum Scott D. White 1996-4-14 3892 Riverside Perris Basin, W Riverside Co. Perris Area: Near Perris Airport; ca. 100 m N of Case Rd. and 100 m W of San Jacinto River Channel 430 Comment
  UCR234426  Hordeum murinum Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA706634  Hordeum murinum subsp. glaucum L. M. Prince, N. Refulio 2002-3-16 02 -266 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
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Jan 14 2010
  CAS-BOT-BC148559  Horkelia clevelandii Cecil Hart 1926-7-4 s.n. Riverside San Jacinto Mts. Comment
  UC114266  Horkelia clevelandii A. W. Anthony 1895-7-1 Riverside San Jacinto Mts. Comment
  JEPS68628  Horsfordia alata Marjorie D. Clary 1930-4-26 Riverside Coachella Coachella Valley Comment
  UCR220297  Horsfordia alata Dave Goodward 2005-2-27 s.n. Riverside Peninsular Range, Toro Canyon 366 Comment
  OBI13209  Hosackia crassifolia var. crassifolia Carl B. Wolf 1940-7-2 9719 Riverside E. Side of Santa Ana Mts Indian Cyn Truck Trl, 1/4 mi below Main Divide Comment
  POM360713  Hulsea vestita subsp. callicarpha Anstruther Davidson 1891-1 2032 Riverside [Idylwild] Idyllwild Comment
  RSA5897  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3970 Riverside Along Trail from Tahquitz Valley to San Jacinto Peak, above the small stream and wet meadow feeding Tahquitz Creek. 2895 Comment
  RSA757753  Hymenoclea salsola LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4285 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA771744  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4762 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  RSA388391  Hypericum perforatum R. F. Thorne 1985-7-18 60067 Riverside Santa Rosa Plateau: Upper Clinton Keith Road 488 Comment
  CAS-BOT-BC219764  Hyptis emoryi F. O. Ballou 1926-2-25 s.n. Riverside Painted Canon [Canyon] near Mecca Comment
  CAS-BOT-BC219767  Hyptis emoryi J. Beley 1974-2-21 0430 Riverside 3 1/2 mi North of Benchmark 215 NE of Indio Comment
  CDA40745  Hyptis emoryi T. C. Fuller 1963-4-23 10285 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  POM6882  Hyptis emoryi P. A. Munz 1919-3-25 2304 Riverside Palm Springs. Comment
  RSA20010  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA420174  Hyptis emoryi M. B. Dunkle 1932-3-25 2907 Riverside Palm Springs. Comment
  UCR104824  Hyptis emoryi George K. Helmkamp 1998-4-4 3178 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  SEINET12330780  Hyptis emoryi W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5516 Riverside Eagle Mts., on Power Line Rd, 383 Comment
  SEINET13948486 Image available Hyptis emoryi Rateaver 1944-1 51 Riverside Tahquitz Creek near Palm Springs Comment
  SEINET6744646 Image available Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside 900 ft alt. 7 mi southwest of Indian Wells, Riverside County California Comment
  CAS-BOT-BC311614  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Salton Basin. Indio -6 Comment
  CAS-BOT-BC311615  Isocoma acradenia var. eremophila S. B. Parish 1913-2-28 8475 Riverside Mecca, Salton Sink -60 Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  LA97872  Isocoma acradenia var. eremophila A. Kent-Evans; 1976-4-13 P.S. 39 Riverside Palm Springs 609 Comment
  JEPS108704  Isomeris arborea C. Spurrier, M. J. Way 2001-6-6 3 Riverside Big Morongo Canyon Preserve, 2.3 km n of water company entrance on Kickapoo Trail 515 Comment
  RSA697316  Isomeris arborea Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  UC11135  Isomeris arborea H. M. Hall May 1899 1186 Riverside Aguanga Smith's Mt. (n slope of Smith's Mt) Comment
  UC1324899  Isomeris arborea H. U. Stauffer and R. F. Thorne 1964-5-5 5922 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  RSA609952  Iva axillaris subsp. robustior D. E. Bramlet 1996-4-15 2453 Riverside San Jacinto Wildlife Area, SW corner of reserve; adjacent to the existing maintenance road and 105 m N of the Ramona Expressway. 433 Comment
  CLARK-A1703-1214  Jasminum mesnyi Charles S. Papp 1965-1-12 805 Riverside Riverside Comment
  UCR49988  Jepsonia parryi S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  CAS-BOT-BC167115  Juglans californica A. C. Sanders 2004-6-30 28395 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 518 Comment
  UCR246479  Juglans hindsii R. E. Riefner Jr. 2012-7-23 12- 322 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  UCR174258  Juncus balticus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32677 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
  POM14375  Juncus bufonius Phillip A. Munz 1922-4-29 5063 Riverside 0.5 mile south of Lake Elsinore. Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UCR19750  Juncus bufonius E. W. Lathrop 1966-5-11 6281 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi SW of Murrieta on the De Luz Road, first canyon to the right of the road 396 Comment
  UCR225161  Juncus bufonius Steve Boyd, Gary Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  UCR37626  Juncus bufonius George K. Helmkamp 1984-5-2 D 18 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR76173  Juncus bufonius A. C. Sanders 1993-4-1 13672 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
  UCR127145  Juncus bufonius var. congestus A. C. Sanders, Guy Bruyea 2003-6-12 26887 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  RSA763169  Juncus effusus Scott D. White, Justin M. Wood 2009-5-22 12923 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  RSA368206  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  RSA692228  Juncus effusus subsp. austrocalifornicus Scott D. White 2003-10-9 9815 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  UCR24961  Juncus macrophyllus A. C. Sanders 1980-7-22 1714 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  RSA69630  Juncus mexicanus F. W. Peirson 1924-6-1 4676 Riverside River lands along Santa Ana River. 152 Comment
  UCR177325  Juncus mexicanus Scott D. White, Michael Honer 2003-5-27 9416 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR35287  Juncus mexicanus L. B. Ziegler 1972-7-12 490 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1372 Comment
  RSA741267  Juncus rugulosus Scott D. White, Justin M. Wood 2008-7-10 12452 Riverside Fobes Spring 1500 Comment
  RSA14373B  Juncus tiehmii Phillip A. Munz 1922-5-20 5473 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
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May 29 2011
  RSA496127  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3006 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA757748  Juniperus californica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4346 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR93044  Juniperus californica Scott D. White 1995-12-24 3797 Riverside Lakeview Mtns., Juniper Flats Road, c. 1.2 road mi north of the junction w/ SR 74. 610 Comment
  CAS-BOT-BC234598  Justicia californica Ivan Johnston 1917-4-4 1079 Riverside Near Palm Springs Comment
  LA202783  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  RSA398815  Justicia californica Robert M. Perkins, H. de Forest 1937-3-15 387 Riverside 20 miles east of Desert Center. Comment
  RSA463156  Justicia californica Lyman D. Benson 1933-3-31 4183 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SEINET2163599 Image available Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs. 140 Comment
  UCR188198  Kalanchoe tubiflora A. C. Sanders 2007-1-12 33276 Riverside Riverside; UCR campus, weed in UCR Botanical Garden cactus garden 351 Comment
  GMDRC3101  Kallstroemia californica J. Andre, T. La Doux 2008-9-13 10262 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  CAS-BOT-BC235503  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  SBBG50962  Keckiella antirrhinoides subsp. microphylla R. S. Woglum 1941-5-17 3038 Riverside Coyote Cyn Comment
  SD73629  Keckiella antirrhinoides var. antirrhinoides Helen V. Witham 1970-5-1 844 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  SEINET959100  Kelloggia galioides G. K. Helmkamp, E. A. Helmkamp 2005-1 9742 Riverside Northern Sierra Nevada Foothills: 20 mi. WSW of Lake Tahoe; Ice House Road, N of CA Highway 50 and 1.5 mi S of junction with Ice House Reservoir (Kyburz 7.5Q). 1637 Comment
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Nov 8 2013
  SEINET3386523 Image available Kochia scoparia R. E. Riefner Jr. 2006-5-30 214 Riverside Romoland, Sherman Rd. near Ethanac Rd 440 Comment
  UCR132896  Kochia scoparia Gevin Kenney 1997-8-29 s.n. Riverside San Jacinto Valley, 0.5 mi. SW of Gilman Springs Rd. off Bridge St. 436 Comment
  UCR275211  Kochia scoparia A. C. Sanders, Karen Kirtland 2016-9-23 42629 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR112073  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Riverside area, Jurupa Mtns., pass west of Rattlesnake Mtn., along the east side of Armstrong Rd., c. 1/8 mi. south of the San Bernardino Co. line 313 Comment
  UCR2493  Koeleria macrantha F. M. Reed 1932-7-2 7294 Riverside San Jacinto Mountains, Camp Emerson, Idyllwild 1524 Comment
  UCR96423  Koeleria macrantha Scott D. White 1996-8-1 4434 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC61432  Krameria bicolor W. R. Dudley 1903-12-1 s.n Riverside Desert back of Indian Reservation, Palm Springs Comment
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  CAS-BOT-BC43711  Krameria erecta Carl B. Wolf 1932-4-29 3098 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  RSA801712  Krameria grayi Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs. Comment
  RSA266381  Lactuca serriola J. C. Roos 1937-8-17 2546 Riverside San Jacinto. Comment
  UCR99856  Lamium amplexicaule Scott D. White 1993-3-3 1101 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR141151  Langloisia schottii June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  HSC17018  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside N of Milpitas Wash, Ogilby-Blythe Rd. Comment
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Mar 2 2013
  RSA390030  Larrea tridentata Bonnie C. Templeton 1930-4-4 1076 Riverside North of Palm Springs. Dry wash. Lower sonoran 400 Comment
  UCR227438  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-3-30 110 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, 4 mi from Ramon Road on Thousand Palms Canyon Road 381 Comment
  UCR227448  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 176 Riverside Mojave Desert, Orocopia Mountains Wilderness, SR 2013/Red Canyon Road at wilderness boundary sign 689 Comment
  POM122104  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM13463  Lastarriaea coriacea P. A. Munz, I. M. Johnston 1922-5-19 5364 Riverside 5 miles NE of Murietta. 457 Comment
  RSA392781  Lastarriaea coriacea E. Crow 1929-4-21 338 Riverside North of Alberhill Comment
  POM8719  Lasthenia californica P. A. Munz 1920-4-11 3806 Riverside Santa Ana River Canyon, near Rincon. 305 Comment
  SEINET7073409  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  RSA495408  Lasthenia coronaria Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2939 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA695657  Lasthenia coronaria J. R. Bruff 1927-3-12 3 -I Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
  SJSU11845  Lasthenia coronaria K. W. Radford 1956-3-26 109 Riverside 5 mi S of Morongo Valley Comment
  UCR98855  Lasthenia coronaria A. C. Sanders, G. Helmkamp 1997-3-15 19988 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA550490  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2221 Riverside 1.6 km West of Nuevi and 120m north of the end of 11th street. the population is some 45m east of the San Jacinto River. The site is near an area of man made ponds. 433 Comment
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Sep 17 2011
  RSA552711  Lasthenia gracilis Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UC34661  Lasthenia gracilis H. M. Hall 1902-4-26 2971 Riverside vicinity Riverside; Box Springs Mt. 701 Comment
  UCR101786  Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1333 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  RSA92915  Lasthenia gracilis F. W. Peirson 1918-03 1374 Riverside Whitewater Grade, nw. corner of Colorado Desert. Comment
  RSA90289  Lathyrus vestitus subsp. alefeldii F. W. Peirson 1922-4-28 2946 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  SDSU13576  Lathyrus vestitus var. alefeldii C. Mosse, W. Miller 1972-7-11 Riverside Comment
  UC194447  Lathyrus vestitus var. alefeldii H. M. Hall 1913-6-7 9435 Riverside Temecula Creek Comment
  JOTR16604  Layia glandulosa Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT 1645 Comment
  RSA773042  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5039 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR87663  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR127331  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  CLARK-A1528-260  Layia platyglossa subsp. campestris Roberta H. Smith 1969-5-4 24 Riverside Lake Matthews 435 Comment
  SEINET11257130  Lepidium densiflorum D. Atwood 1993-3-27 17692 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  UC1929735  Lepidium dictyotum Scott D. White, Justin Wood 2008-4-3 11798 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  RSA429907  Lepidium fremontii E. C. Jaeger 1922-3-2 s.n. Riverside 29 Palms Comment
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May 28 2011
  RSA600181  Lepidium fremontii L. C. Wheeler 1959-12-27 7649 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA0123116  Lepidium lasiocarpum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9023 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA357784  Lepidium lasiocarpum R. F. Thorne 1973-3-30 42672 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR260577  Lepidium lasiocarpum A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41538 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, southwest side of Temescal Canyon Rd. near El Hermano Road junction 313 Comment
  UCR266358  Lepidium lasiocarpum D. E. Bramlet 2005-6-28 3886 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR30098  Lepidium lasiocarpum George K. Helmkamp 1983-4-5 483 8 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA736758  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  SBBG133576  Lepidium latifolium S. D. White, L. Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  RSA617998  Lepidium nitidum var. howellii R. E. Riefner 1998-4-22 98 -285 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA612508  Lepidium nitidum var. nitidum D. L. Banks, Joe Moreno 1997-2-5 1266 Riverside NW Palomar Mtns, Agua Tibia Mountains: Pechanga Indian Reservation. Recently burned area at the northerd boundary of the Reservation, just north of Anza Road. 409 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
  SBBG37499  Lepidium virginicum R. N. Muller 1967-5-5 33 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  RSA429666  Lepidium virginicum var. pubescens E. Crow 1929-4-21 334 Riverside North of Alberhill Comment
  UCR225214  Lepidium virginicum var. robinsonii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5163 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
  UCR97684  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19924 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  CAS-BOT-BC329439  Lepidospartum squamatum John Thomas Howell 1927-8-1 2905 Riverside Lower part of Morongo Canon, N Colorado Desert 609 Comment
  CAS-BOT-BC329444  Lepidospartum squamatum Carl B. Wolf 1932-10-11 4269 Riverside Mouth of Whitewater Wash. 304 Comment
  CAS-BOT-BC329447  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Gavilan Hills Region 2 mi. sw of Ferris 426 Comment
  UCR199617  Lepidospartum squamatum Scott D. White, Angelia Carey 2004-7-2 10557 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CLARK-A1528-4711  Leptochloa filiformis John C. Roos 1958-9-28 Riverside Coachella Comment
  UC2031379  Leptochloa mucronata Duncan S. Bell with John Anderson, Kim Clark, Debbie George, Jim George, and Ed Howland 2013-9-28 6021 Riverside Chuckawalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air miles SE of Hopkins Well. Comment
  POM3599  Leptodactylon californicum Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  SEINET1906295  Leptodactylon californicum Sarah J. De Groot, Elizabeth A. Kempton 2006-1 5211 Riverside Along Hwy 243, N slope of San Jacinto Mountains. 730 Comment
  UC52496  Leptodactylon pungens H. M. Hall 1901-6 2418 Riverside just below Big Wet Seneca Tauquitz Valley; San Jacinto Mountains, Tauquitz Valley below Big Wet Seneca 2621 Comment
  CAS-BOT-BC227051  Leptosiphon floribundus subsp. glaber W. G. Wright No date on label s.n. Riverside Unspecified Comment
  SBBG93109  Leptosiphon lemmonii G. Ballmer 1990-5-6 Riverside vicinity of Crown Valley; S of Domenigoni Valley and N (and W) of Rawson Cyn, where rd goes S into hills from Newport Rd 548 Comment
  UCR141240  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2004-10-6 28829 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CAS-BOT-BC339366  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  RSA761687  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 703 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA516755  Leymus condensatus Ed LaRue 1989-4-25 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons., (All of sec. 33, W/2 sec. 34, NW/4 sec. 3 (T 6S) small portion of eastern sec. 35) 488 Comment
  RSA123492  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
  UCR248027  Ligustrum O. F. Clarke 2011-5-2 s.n. Riverside Riverside, UCR Botanic Garden 412 Comment
  CAS-BOT-BC451636  Lilaea scilloides Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  UCR241499  Lilium humboldtii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 222 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA740935  Limosella acaulis Scott D. White, Justin M. Wood 2008-7-9 12437 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UC963792  Linanthus dianthiflorus Herbert L. Mason 1928-3-11 4256 Riverside San Gorgonio Pass Comment
  RSA359854  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD231405  Linanthus jonesii J. Mark Porter, Sara DeGroot 2005-3-9 14247 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  UCR226903  Linanthus jonesii Jim Andre 2011-2-9 15942 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  UC219561  Linanthus liniflorus P. A. Munz 1922-6-23 5781 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UC52463  Linanthus liniflorus H. M. Hall 1897-5-5 526 Riverside Leon Comment
  UCR176577  Linanthus nuttallii Joseph Cahill 1998-5-26 15- 03 Riverside Peninsular Range; Santa Ana Mtns., above Lake Elsinore, [near El Cariso Guard Station] just outside Cleveland National Forest 808 Comment
  SEINET7063565  Linanthus parryae 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
  UCR220320  Linaria canadensis var. texana John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  RSA435721  Linum lewisii N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCR35278  Lithophragma affine subsp. mixtum L. B. Ziegler 1972-4-7 444 Riverside San Jacinto Mtns., canyon on N slope Baldy Mtn. 1646 Comment
  RSA496128  Loeflingia squarrosa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-18 3007 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  RSA644007  Loeflingia squarrosa var. squarrosa V. W. Steinmann, M. T. Wedlake 1995-4-8 657 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  RSA781796  Loeseliastrum matthewsii Duncan S. Bell 2010-5-1 883 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
  RSA689548  Loeseliastrum schottii Scott D. White, Michael Honer 2003-4-25 9123 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA77059  Loeseliastrum schottii F. W. Peirson 1914-04 953 Riverside Whitewater at head of Coachella Valley. Comment
  UC909104  Loeseliastrum schottii Frank W. Peirson 1926-2-22 6506 Riverside n. of grove palms 1000-Palm Canyon 152 Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  CAS-BOT-BC342259  Logfia filaginoides Lewis S. Rose 1937-4-9 37116 Riverside Palm Springs 137 Comment
  UCR265563  Lomatium mohavense Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 4 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR42746  Lomatium mohavense A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6463 Riverside Santa Rosa Mtns., Pinyon Flats, 0.1 mi. south of Hwy 74 on the road to the refuse transfer station and the dolomite mine, south of the campground 1225 Comment
  UCSB18674  Lomatium mohavense Winn, Will 1963-5-5 Riverside Pinyon Flats Campground 1219 Comment
  POM157935  Lomatium vaginatum P. A. Munz 1927-5-21 10834 Riverside Coahuila Valley. Comment
  UCR121347  Lonicera subspicata A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25022 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  UCR172790  Lonicera subspicata Wayne Law, Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  RSA38362  Lonicera subspicata var. denudata P. A. Munz 1946-10-19 11567 Riverside 1 miles east of Anza. 1159 Comment
  RSA0020465  Lophocereus schottii Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6031 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  POM1865  Lotus argophyllus var. argophyllus H. M. Hall 1902-04 2899 Riverside Vicinity of Sage 762 Comment
  HSC85289  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR174115  Lotus hamatus A. C. Sanders, T. B. Salvato 2006-6-2 33085 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  POM48904  Lotus heermannii P. A. Munz, I. M. Johnston 1924-7-29 8852 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR174614  Lotus heermannii Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 347 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  UCR23912  Lotus heermannii John C. Roos 1952-6-13 5768 Riverside [Box Springs Mountains], Pigeon Pass. 427 Comment
  RSA161280  Lotus oblongifolius P. H. Raven, R. Snow 1957-7-26 11112 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  POM1917  Lotus rigidus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  RSA406911  Lotus scoparius M. B. Dunkle 1933-5-6 3384 Riverside Dry Morongo Creek. Comment
  SEINET209255 Image available Lotus scoparius subsp. brevialatus C. Baker 1957-5-4 Riverside Collected in Santa Ana Wash, 2 miles north of Redlands 419 Comment
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Mar 24 2014
  UCR192716  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2008-6-10 35448 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  CLARK-A1045-875  Lotus strigosus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  POM28285  Lotus strigosus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA799918  Lotus strigosus Justin M. Wood, D. M. Ray 2011-4-28 3851 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  SEINET3004995  Lotus strigosus G. Rink, M. Baker 2011-4-3 10423 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UC1545282  Lotus strigosus Charles B. Fiker 1946-3-6 3331 Riverside between Aguanga and Coahuila Comment
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Sep 12 2016
  UCR16275  Lotus strigosus Steven Wickler 1974-4-21 004 Riverside San Jacinto Valley, immediately off of Hemet-San Jacinto offramp, U.S. Hwy 60, 8 mi. east of Riverside 518 Comment
  POM259965  Lotus tomentellus P. A. Munz 1940-3-23 15722 Riverside north end of Pinto Basin 610 Comment
  RSA180410  Lotus wrangelianus E. W. Lathrop 1965-4-9 5723 Riverside 6 miles W of Murrieta. Comment
  RSA670676  Lotus wrangelianus B. C. Templeton, I. W. Clokey 1930-4-9 1026 Riverside North of Banning 457 Comment
  UCR22191  Lotus wrangelianus John C. Roos 1952-4-9 5478 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR177641  Lupinus agardhianus S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  POM46812  Lupinus arizonicus Mary F. Spencer 1920-3-16 1494 Riverside Mecca -60 Comment
  UC1129709  Lupinus arizonicus H. S. Yates 1937-3-23 6420 Riverside 5 mi nw Edom; Thermal Quad., nw of Edom Comment
  UCR102714  Lupinus arizonicus B. G. Pitzer 1998-1-24 3399 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR103307  Lupinus arizonicus George K. Helmkamp 1998-4-4 3156 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  SEINET10488541  Lupinus arizonicus James S. Henrickson 1963-3-29 Henrickson 1185 Riverside 8 miles e of mecca, along hwy 195; sandy open arroyo, on slight rise off the Desert floor; infrquent, with other desert annuals 183 Comment
  RSA502901  Lupinus bicolor Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA715328  Lupinus bicolor John Green 2006-4-27 s.n. Riverside Peninsular ranges, Foothills of Santa Ana Mtns./Santa Rosa Plateau: Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte. 351 Comment
  UCR117219  Lupinus bicolor B. G. Pitzer 2000-4-20 4124 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR87664  Lupinus bicolor A. C. Sanders 1994-5-29 14561 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA776230  Lupinus concinnus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 874 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  RSA86961  Lupinus concinnus subsp. concinnus F. W. Peirson 1922-4-30 s.n. Riverside Near summit of St. Johns Grade, south of Hemet. Comment
  UCR26542  Lupinus excubitus A. C. Sanders, S. Hagopian 1981-5-20 2152 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  POM307275  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2144 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC216698  Lupinus excubitus var. excubitus Mary F. Spencer 1919-6-19 1195 Riverside Idyllwild 1645 Comment
  UCR106012  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 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
  UCR138142  Lupinus excubitus var. hallii D. L. Banks, V. W. Steinmann 1997-3-13 1444 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
  RSA78781  Lupinus formosus Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17278 Riverside Just W of junction of Hwy 74 and road to Anza, south of Idyllwild 1372 Comment
  UC73154  Lupinus formosus Dr. R. J. Smith 1904-5-17 Riverside Cabazon Comment
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Mar 13 2011
  POM12097  Lupinus hirsutissimus Mary F. Spencer 1921-4-17 1869 Riverside Banning. Comment
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Mar 13 2011
  RSA413699  Lupinus hirsutissimus Ora M. Clark 1929-3-16 1685 Riverside South of Cabazon, Colorado Desert. Comment
  SBBG98285  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning 701 Comment
  RSA414786  Lupinus hyacinthinus E. C. Jaeger 1922-7-3 s.n. Riverside Tahquitz Valley San Jacinto Mts 2104 Comment
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Mar 21 2011
  SD229156  Lupinus hyacinthinus Dick Schwenkmeyer 2012-9-20 838 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  LA31765  Lupinus longifolius Mary V. Hood; 1944-4-7 44- 9 k* Riverside Agaunga 587 Comment
  CAS-BOT-BC207239  Lupinus peirsonii Lester Rowntree 1937-5-7 s.n. Riverside Alder Canyon Comment
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Sep 4 2019
  CLARK-A1045-233  Lupinus sparsiflorus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  SBBG3695  Lupinus sparsiflorus H. and M. Dearing 1949-4-9 6745 Riverside Joshua Tree Nat Monument Comment
  UC1178511  Lupinus sparsiflorus Peter Kamb 1948-4-11 904 Riverside Whitewater wash near Whitewater (Coachella Valley); Coachella Valley 457 Comment
  UC1929821  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10469 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
  UC668375  Lupinus sparsiflorus Annie M. Alexander and Louise Kellogg 1941-4-22 2064 Riverside Morongo Valley Gorge 701 Comment
  RSA607589  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1938-5-1 1618 a Riverside Peninsular Ranges: San Jacento Valley; Hemet. Comment
  SBBG3713  Lupinus succulentus H. and M. Dearing 1939-4-5 3091 Riverside Hemet Valley Comment
  SBBG3714  Lupinus succulentus H. and M. Dearing 1939-4-5 3091 Riverside Hemet Valley Comment
  RSA590648  Lupinus truncatus E. W. Lathrop 1965-5-9 5745 Riverside 6 miles W of Murrieta. Comment
  UCR225717  Lupinus truncatus A. C. Sanders 2011-3-30 38910 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  CAS-BOT-BC231414  Lycium andersonii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9552 Riverside Cottonwood Springs Canyon Comment
  CAS-BOT-BC231415  Lycium andersonii W. L. Jepson 1912-10-28 5240 Riverside Riverside Mts., Colorado River 121 Comment
  CAS-BOT-BC231417  Lycium andersonii D. E. Breedlove 1962-3-11 1891 Riverside On State 74, 3.7 miles south-west of Palm Desert 335 Comment
  CAS-BOT-BC231422  Lycium andersonii I. M. Johnston 1918-5-30 2028 Riverside Elsinore 365 Comment
  SEINET892346  Lycium chinense O. F. Clarke 1997-1 Riverside Riverside. O.F. Clarke residence, 1012 Spruce Street. (Riverside East) 305 Comment
  SD241094  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range: Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Road (Romoland 7.5'Q) 427 Comment
  UCR281010  Lythrum californicum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 22 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UC1949954  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55215 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA562476  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-5 7260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  CAS-BOT-BC514237  Maianthemum stellatum Mary F. Spencer 1919-6-6 1322 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  SEINET11981875  Malacothamnus davidsonii E. A. Purer 1935-1 6472 Riverside E slope of San Jacinto Mt., western Colorado Desert Comment
  RSA263741  Malacothamnus fasciculatus E. W. Lathrop 1968-5-17 6893 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  SD43520  Malacothamnus fasciculatus Philip A. Munz 1946-10-19 11570 Riverside Chaparral-covered slope of dry disintegrated granite; 3 miles east of Anza. 1219 Comment
  UCR16332  Malacothamnus fasciculatus Robert M. Hasegawa 1976-4-14 s.n. Riverside Box Springs Mtns., 1/8 mi. from end of east Big Springs Road 274 Comment
  LA41779  Malacothamnus fasciculatus var. fasciculatus A. H. Lange; 1951-5-25 sn Riverside Comment
  UC33276  Malacothrix clevelandii H. M. Hall June 1901 2087 Riverside exposed s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR19711  Malacothrix clevelandii John C. Roos, L. Roos 1954-5-15 6119 Riverside summit of Reche Canyon 732 Comment
  UCR20727  Malacothrix clevelandii A. C. Sanders 1980-5-14 153 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UCR59693  Malacothrix clevelandii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3539 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC347686  Malacothrix glabrata Roxana S. Ferris 1953-4-20 12633 Riverside U.S. Highway 60 & 70, south of hayfields between crossing of Eagle Mt. Iron Mine R.R., and Shaver summit Comment
  JEPS36807  Malacothrix glabrata W. L. Jepson 1928-4-25 12620 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  POM184719  Malacothrix glabrata C. L. Hitchcock 1932-4-7 12212 Riverside 5 miles S of Cottonwood Springs, East Riverside County Comment
  POM6608  Malacothrix glabrata P. A. Munz, L. T. Street, Williams 1919-3-28 2370 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA678270  Malacothrix glabrata Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1080 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UC494757  Malacothrix glabrata C. L. Hitchcock 1932-4-7 12212 Riverside 5 mi s Cottonwood Springs Comment
  UCR235923  Malacothrix glabrata Jeremiah George 2012-6-4 s.n. Riverside San Gorgonio Pass, Banning, 0.1 mi. east of intersection of Bobcat Rd. and Turtle Dove Lane 707 Comment
  RSA776240  Malacothrix stebbinsii Duncan S. Bell 2010-3-20 599 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR209338  Malus Fred M. Roberts, Robt. L. Allen 2008-6-23 7053 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  RSA575924  Malvella leprosa Steve Boyd, D. L. Banks 1994-9-29 8364 Riverside Lake Elsinore, floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA7218  Mammillaria tetrancistra B. D. Stark 1932-6-15 3738 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  SEINET10448093  Marah macrocarpa James S. Miller 1992-5-8 Miller 7457 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  UC494398  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside Corn Springs, e Riverside County Corn Springs Comment
  UCR50576  Marina parryi B. G. Pitzer 1988-3-10 0646 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
  UCR141230  Marsilea vestita A. C. Sanders, Mike Misenhelter 2004-10-6 28838 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR22154  Matelea parvifolia J. Zabriskie 1976-6-2 850 Riverside Peninsular Range, Santa Rosa Mtns, along Cactus Springs Trail near Horsethief Creek 1009 Comment
  SEINET10615460  Matricaria globifera Andrew C. Sanders 2001-5-8 Sanders 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. (Riverside east 7.5' Q, T3S R4W S26, SE/4). Weedy roadside on disturbed plains. 465 Comment
  UCR201426  Matricaria matricarioides Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  CAS-BOT-BC474718  Matricaria occidentalis R. E. Riefner, Jr. 2015-6-3 15 -169 Riverside City of Hemet, ca 100 yds N of W. Devonshire Ave. and Meyers St. 473 Comment
  RSA0012172  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-3-28 38817 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  CSUSB1094  Medicago sativa Shirley Hill 1963-3-31 630331 2 Riverside Corner of 8th and Lincoln in Banning. 100 feet from road. Comment
  LA102174  Melica californica John C. Roos; 1950-4-22 4754 Riverside Reche Canyon, 0.5 mi NE of the summit 792 Comment
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Feb 23 2014
  CAS-BOT-BC281606  Melica imperfecta Steve Boyd; et al. 1990-4-3 4103 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mt, just S of the E summit 701 Comment
  POM8820  Melica imperfecta I. M. Johnston 1920-5-8 2275 Riverside Butte due west of Lakeview Comment
  SEINET8073928 Image available Melica imperfecta Scott D. White 2006-1 11291 Riverside Perris Basin/San Jacinto Mtn Foothills; Santa Rosa Hills, south of Hemet 549 Comment
  UCR120602  Melica imperfecta Steven R. Hill 2001-5-3 33668 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR22153  Melica imperfecta Steve Boyd 1980-5-3 173 Riverside Harford Springs Co. Park, NW corner of the Gavilan plateau. N end of the juniper grove Comment
  UCR104096  Melica imperfecta var. refracta Scott D. White 1997-5-25 5235 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA741426  Melilotus indicus Justin M. Wood 2008-12-2 264 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR121348  Melilotus indicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25021 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  UCR174103  Melilotus indicus A. C. Sanders 2006-5-19 32437 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
  UCR174243  Melilotus indicus A. C. Sanders, T. B. Salvato 2006-6-2 33075 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
  RSA0038370  Mentzelia affinis A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  SD241093  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Southern McCoy Mountains, east bajada flank, 1.8 km west of Black Creek Road, 4.4 km north of I-10 and 7.0 km ENE of McCoy Pk. 174 Comment
  UCR102722  Mentzelia involucrata B. G. Pitzer 1998-1-24 3408 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR148479  Mentzelia involucrata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA314447  Mentzelia involucrata var. megalantha Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55437 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA49187  Mentzelia involucrata var. megalantha P. A. Munz 1949-4-12 13032 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  RSA600853  Mentzelia laevicaulis C. Epling, Wm. Robinson 1936-7-1 s.n. Riverside Banning: Jack Rabbit Trail. Comment
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Mar 21 2011
  SEINET3005059  Mentzelia multiflora subsp. longiloba G. Rink 2011-4-29 10497 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR241673  Mercurialis annua O. F. Clarke 2010-12-31 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  UCR160323  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  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
  POM158061  Microseris lindleyi A. M. Alexander, Louise Kellogg 1941-5-3 2106 Riverside 13 miles SW of 29 Palms, Joshua Tree National Monument. 1372 Comment
  SEINET10808319  Microseris lindleyi Mitch C. Provance 2003-4-26 Provance 9897 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common). 274 Comment
  RSA192069  Mimulus aurantiacus var. pubescens E. W. Lathrop 1965-4-4 5638 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA114665  Mimulus aurantiacus var. puniceus Verne Grant 1955-6-1 9608 Riverside Ortega Summit of Santa Ana Mts. Chaparral, recently burned. 811 Comment
  RSA82107  Mimulus aurantiacus var. puniceus F. W. Peirson 1925-5-20 6014 Riverside 1 mile northwest of Dripping Spring, east of Temecula. 457 Comment
  RSA0059089  Mimulus bigelovii Norman C. Cooper 1944-6-17 1417 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA420956  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3065 Riverside Painted Canyon 91 Comment
  RSA500541  Mimulus brevipes Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3611 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA388422  Mimulus cardinalis Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61190 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR217640  Mimulus diffusus Jeff B. Galvin 2010-6-26 121 Riverside Santa Ana Mountains, Ridge between Bedford Canyon and McBride Canyon, 50 m northwest of road, Bedford Motorway, on steep northwest-facing slope 839 Comment
  JEPS8218  Mimulus fremontii var. fremontii W. L. Jepson and H. M. Hall 1901-5-19 1293 Riverside San Jacinto Canyon 640 Comment
  UCR48527  Mimulus fremontii var. fremontii Steve Boyd 1986-4-19 1698 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  CSUSB1923  Mimulus guttatus Debbie Vigneault 1974-7-8 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Blvd. 259 Comment
  RSA0120464  Mimulus guttatus Duncan S. Bell 2016-4-16 9308 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC454795  Mimulus guttatus I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR137034  Mimulus guttatus A. C. Sanders 2004-5-5 27781 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UC1374895  Mimulus pilosus Noel H. Holmgren and Liew Fah Seong 1969-6-17 3584 Riverside County road R1 at Black Mountain Turnoff (8.5 mi n of Idyllwild); San Jacinto Mountains Comment
  LA95899  Mimulus rattanii Frank W. Peirson; 1931-5-30 9379 Riverside Santiago Peak, Glen Ivy Trail 1219 Comment
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Sep 20 2019
  RSA561073  Minuartia douglasii Steve Boyd 1993-5-12 7340 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
  UCR97468  Mirabilis californica A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19886 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SBBG22011  Mirabilis laevis var. villosa R. F. Thorne 1964-5-3 33848 Riverside near hwy ca. 4 mi S of Morongo Valley and 3 mi S of San Bernardino Co line Comment
  RSA464621  Mirabilis multiflora var. pubescens N. R. Zabriskie, W. M. Zabriskie 1972-3-30 500 Riverside west of Hwy 74, Santa Rosa Mountains 976 Comment
  UCR12145  Mirabilis tenuiloba Art Whistler 1966-4-24 s.n. Riverside Western Colorado Desert, Deep Canyon Comment
  RSA408765  Mohavea confertiflora M. B. Dunkle 1933-3-4 3049 Riverside Painted Canyon 30 Comment
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May 20 2014
  RSA408772  Mohavea confertiflora Robert M. Perkins, H. de Forest 1937-3-15 374 Riverside N. of Blythe, along Co. Riverside. Comment
  RSA776136  Mohavea confertiflora Duncan S. Bell, Amanda Turek 2010-4-10 806 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR166857  Mohavea confertiflora Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA608162  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  LA63042  Monardella australis subsp. australis Martha Hilend; 1928-8-7 sn Riverside Mt San Jacinto, between Summit and Round Valley Comment
  LA57205  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside Pinon Flats, Pines to Palms Hwy Comment
  LA96102  Monardella nana Elizabeth McClintock; 1941-7-18 121 Riverside San Jacinto Mountains, after the beginning of the chinquipin Comment
  LA96104  Monardella nana Elizabeth McClintock; 1941-7-21 129 Riverside San Jacinto Mountains, trail from Round Valley 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
  UC1499889  Monardella nana Elizabeth McClintock 1941-5-31 52 Riverside 5 3/4 miles from Anza Monument turn off Comment
  UC25476  Monardella nana H. M. Hall May 1901 1852 Riverside Between Van Deventers and Palm Canyon eastern base of mountains along the borders of the desert, San Jacinto Mountains, Colorado Desert 1219 Comment
  CSUSB2026  Monardella nana subsp. arida J. Bennett 1979-6-3 s.n. Riverside Santa Rosa Mt., along Hwy. 74, 100 feet E of road to the summit. Comment
  RSA651093  Monardella nana subsp. arida Harold Lint 1958-5-25 2033 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA750402  Monardella nana subsp. arida Elizabeth McClintock 1940-9-1 s.n. Riverside San Jacinto Mts. Trail between Tahquitz Valley and Hidden Lake. Comment
  SEINET4151979 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-1 076 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  RSA249859  Monardella nana subsp. tenuiflora Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38140 Riverside San Jacinto Mountains: San Bernardino National Forest. Hill above James Reserve and Lake Fulmor. 1677 Comment
  RSA750282  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 88 Riverside San jacinto Mts. Trail to Suicide Rock, about 3 1/4 miles from Fern Valley. Comment
  RSA750294  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 103 Riverside Black Mt. 0.5 mile beyond Black Mt. Spring. Comment
  RSA556441  Monolepis nuttalliana Julie Greene 1993-4-17 1206 Riverside San Jacinto Wildlife Area. W of San Jacinto River, W of Davis Rd. 439 Comment
  HSC49189  Monoptilon bellioides D. L. Goforth 1979-4-11 116 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  POM13677  Monoptilon bellioides E. C. Jaeger 1923-3-18 1033 Riverside Painted Canyon near mecca. Comment
  UC485270  Monoptilon bellioides Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UC672208  Monoptilon bellioides Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR30048  Monoptilon bellioides A. C. Sanders 1983-4-24 3799 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  UCR2577  Muhlenbergia filiformis F. M. Reed 1908-7-12 2444 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  SEINET10522199  Muhlenbergia filiformis David B. Dunn 1946-8-17 Dunn 2692 a Riverside Grass in a wet meadow area. Near the stream at the camp in Taquitz Valley. San Jacinto Mts. 2438 Comment
  CAS-BOT-BC275296  Muhlenbergia microsperma Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13241 Riverside In wash rrising in Big Maria Mountains, Highway US 95, 11.3 miles N of Blythe Comment
  RSA718838  Muhlenbergia microsperma Michael Honer, L. Hulse 2005-3-8 2042 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  UCD87108  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mts. Creek bed adjoining Herkey Creek Camp. 1341 Comment
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May 1 2011
  SD137972  Muilla maritima Darin L. Banks, Steve Boyd 1995-5-3 269 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of Dripping Springs Alcove Area, along the lower alluvial benches of arroyo Seco. 512 Comment
  RSA532577  Myosurus minimus subsp. apus D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2121 Riverside 30m east of California Ave. and 75m north of the AT and SF railroad tracks. The population is NE of the intersection of California Ave. and Marvin Hull Road. Some 10-300m west of MWD Canal. 498 Comment
  RSA532578  Myosurus minimus subsp. apus D. E. Bramlet 1991-6-1 2189 Riverside 6.1 km west of Hemet and some 135-670m west of the intersection of Florida and Warren. The population is some 8-15m north of Florida Ave. and 5m east of the MWD Canal. 152 Comment
  RSA543872  Myosurus minimus subsp. apus Steve Boyd, Dave Bramlet 1991-5-13 6227 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UC854358  Myosurus minimus subsp. apus P. A. Munz, I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  UCSB5303  Nama depressa Krogen, Roger 1957-1 Riverside 26 mi. E of Indio on Hwy. 60-70; near S entrance to Joshua Tree Nat. Parl Comment
  UCD87909  Nassella cernua Fred M. Reed 1906-3-17 927 Riverside Riverside. Tequesquito Arroyo at end of Chicago Ave. Comment
  RSA736254  Nassella pulchra Scott D. White, Justin M. Wood 2008-4-3 11794 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  RSA544297  Navarretia atractyloides Steve Boyd, T. S. Ross 1991-6-14 6350 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
  UCR280982  Navarretia atractyloides Mitch Provance 2017-5-25 517- 68 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UCR57139  Navarretia atractyloides Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  RSA550478  Navarretia fossalis D. E. Bramlet 1992-5-15 2285 Riverside San Jacinto Wildlife area/ Drying bed of a shallow lake, some 60 m. west of the old San Jacinto channel levee. The site is found 730m from the intersection of the old San Jacinto channel w/ the new San Jacinto River channel., The lake is approximatly 790m west of Davis road. 433 Comment
  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
  POM4574  Nemacladus longiflorus var. longiflorus S. B. Parish 1917-6-11 11304 Riverside Santa Ana River. Comment
  RSA0126425  Nemacladus longiflorus var. longiflorus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4516 -a Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR4406  Nemacladus orientalis Frank C. Vasek 1960-3-24 600324- 27 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  RSA526511  Nemacladus pinnatifidus Steve Boyd, Timothy S. Ross 1990-5-11 4705 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  SEINET10461021  Nemacladus pinnatifidus Willis L. Jepson 1928-4-25 Jepson 12601 B Riverside Cottonwood Springs, Eagle Mountains, Colorado Desert 732 Comment
  SD255696  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  SEINET3282748 Image available Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim 2005-5-7 30061 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCR120657  Nemacladus ramosissimus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1807 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR25922  Nemacladus ramosissimus John C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  SD46094  Nemacladus tenuis var. aliformis Herbert L. Mason 1952-4-7 14211 Riverside Palm Springs, Palm Canyon Comment
  RSA771734  Nemophila menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4780 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  SD7444  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UCR889  Nemophila menziesii Rex Sanders 1973-4-21 s.n. Riverside Peninsular Range, Cajalco Road, 3 mi. west of Mockingbird Canyon Road, south of Lake Matthews 244 Comment
  RSA359870  Nemophila menziesii Steve Boyd 1986-4-2 1610 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR16823  Nemophila menziesii var. integrifolia S. Nelson 1974-5-2 2 Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  SD247515  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mountains: Fobes Canyon, c 1/2 mile south of Fobes Ranch along Fobes Ranch Road. (Palm View Peak 7.5'Q) 1555 Comment
  RSA16361  Nicotiana bigelovii var. wallacei Percy C. Everett 1935-6-18 7171 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  SD237630  Nicotiana clevelandii Dave Silverman, Onkar Singh 2010-3-27 7861 Riverside McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, and 6 km N of Blythe Airport. 131 Comment
  RSA426701  Nicotiana glauca Clyde Stratton 1943-7-23 s.n. Riverside Riverside. Comment
  RSA648308  Nicotiana glauca Mark Hotchkiss 1977-4-12 s.n. Riverside La Loma hills. 0.25 mi. N. of Center St. Comment
  RSA4900  Nicotiana obtusifolia Carl B. Wolf 1932-4-27 s.n. Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UC68728  Nicotiana obtusifolia H. M. Hall 1905-4-21 5837 Riverside near Salton; Colorado Desert -30 Comment
  RSA617997  Nitrophila occidentalis R. E. Riefner 1998-10-15 98 -519 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  CAS-BOT-BC131850  Nolina bigelovii A. C. Sanders; G. Helmkamp; O. Clarke; B. Pitzer; et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sec. of (N of peak 2552 to BMk 1899) arroyo 610 Comment
  JOTR30200  Nolina parryi La Doux, Tasha 2009-6-3 1847 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  LA205784  Nolina parryi Tom O'Donnell; 1953-5-24 sn Riverside San Jacinto Mountains, Pinon Flats, Hwy 74 Comment
  CLARK-A1528-669  Oenothera californica Becky Alejandre 1970-5-7 Riverside Riverside 408 Comment
  JEPS44055  Oenothera californica Carl V. Meyer 1929-6-18 768 Riverside Hemet Valley San Jacinto Mts. (floor) Comment
  RSA618390  Oenothera californica D. L. Banks 1997-5-5 1973 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SD3334  Oenothera californica Ruth B. Randall 1926-2-22 294 Riverside Coachella Valley. Comment
  UCD106786  Oenothera californica R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UC63396  Oenothera californica subsp. californica H. M. Hall 1904-5-20 4952 Riverside along S.P.R.R. vicinity of Riverside 262 Comment
  RSA0036090  Oenothera claviformis Norman C. Cooper 1944-3-26 1028 Riverside Morongo Pass 457 Comment
  RSA144922  Oenothera deltoides subsp. deltoides J. W. MacSwain, R. W. Thorp 1959-3-7 59 -46 Riverside 2 miles west of Hopkins Well. Comment
  CLARK-A1528-5707  Oenothera dentata John C. Roos 1937-4-18 1365 Riverside Cabazon Comment
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Jun 24 2020
  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
  RSA785414  Oenothera scapoidea Keith E. Hoffmaster 1935-3-31 568 Riverside Palm Springs Comment
  CAS-BOT-BC427462  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road. 121 Comment
  UCR103586  Oligomeris linifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2715 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR154611  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin, San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  UCR235094  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-5-27 40197 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  RSA744312  Opuntia basilaris var. basilaris Michael Wall 2009-4-3 500 Riverside On ranch property along Bautista Rd.ca. 4.1 miles ESE of jct. with Fairview Ave. Most clumps 20 to 30 ft. from road to the south of property driveway but some growing right along the dirt driveway., Three clumps observed growing not far off the road another 1600 ft to the south. 688 Comment
  RSA748225  Opuntia basilaris var. basilaris T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 116 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  UCR3291  Opuntia littoralis Chuck Elliott 1964-5-13 s.n. Riverside City of Riverside, [Box Springs Mtns], 0.25 mi. past Two Trees Road and Belvedere 366 Comment
  RSA353376  Opuntia munzii A. C. Sanders 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd., 5.2 miles W of Graham Pass Rd., S side of the Chuckwalla Mountains. 640 Comment
  RSA7220  Opuntia phaeacantha B. D. Stark 1932-6-5 1510 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  RSA6210  Opuntia polyacantha var. erinacea B. D. Stark 1932-09 4374 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
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Dec 11 2011
  RSA65623  Opuntia ramosissima F. W. Peirson 1928-4-24 7906 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  SEINET12766525  Orthocarpus bracteosus N. Duane Atwood, L. Stritch 1993-4-2 17901 A Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands.; 0 671 Comment
  RSA543782  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6039 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC218234  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside shelter of rocks on n side summit of San Jacinto (summit of San Jacinto); San Jacinto Mts., summit of San Jacinto 3276 Comment
  POM121835  Oxytheca trilobata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM12807  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat. 1707 Comment
  RSA122751  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mile NE of Keen Camp. 1616 Comment
  UCSB2032  Paeonia californica Krogen, Roger 1957-1 Riverside 2 mi. N of Whitewater Comment
  CAS-BOT-BC327906  Palafoxia arida Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9524 Riverside Pinto Basin 16 miles from Cottonwood Springs Comment
  RSA0040099  Palafoxia arida Duncan S. Bell, Deidre Conocchioli 2014-3-18 6253 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR277616  Palafoxia arida var. arida Aaron C. Sedgwick, April Garbat 2012-10-17 141 Riverside Sonoran (Colorado) Desert, c. 0.25 mile south of Hwy I-10 on Cottonwood Springs [Box Canyon] Rd. 488 Comment
  UCSB45960  Panicum hirticaule Roos, John 1965-9-5 Riverside 18 miles W. of Blythe Comment
  RSA586731  Papaver californicum D. L. Banks, S. D. Boyd 1995-5-17 454 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  CHSC109711  Parietaria hespera Steve Boyd; A. Maurice, P. Lubinsky, L. 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. Area burned in 2001. Comment
  LA210409  Parietaria hespera Carl Epling; 1927-3-27 sn Riverside San Jacinto Mountains, Tahquitz Canyon Wash, Palm Springs 138 Comment
  RSA0042108  Parietaria hespera Duncan S. Bell, Deidre Conocchioli 2014-3-11 6227 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA0123682  Parietaria hespera var. hespera Duncan S. Bell, LeRoy Gross 2016-3-9 8859 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  RSA180387  Parietaria hespera var. hespera E. W. Lathrop 1960-6-8 4925 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  RSA605789  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  UCR199618  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCSB17562  Parkinsonia florida Winn, Will 1963-4-8 Riverside 31 mi. E of Desert Center on U.S. Highway 60-70 243 Comment
  SEINET10907017  Parkinsonia florida Billy Joe Cox 1975-6-26 Cox 4202 Riverside 1-3 km W, (ca 32 mi S of Blythe). 70 Comment
  RSA667027  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  RSA0049953  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail. 151 Comment
  UCR163057  Pectis papposa B. G. Pitzer, G. R. Ballmer 2000-10-14 4233 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  SD96353  Pectis papposa var. papposa David Keil 1975-8-27 K 10994 Riverside 8 miles west of Desert Center along I-10 Comment
  SD247366  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41475 Riverside San Gorgonio Pass; 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10. 445 Comment
  RSA703366  Pectocarya heterocarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1445 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR177262  Pectocarya heterocarpa Scott D. White 2003-3-20 8828 Riverside Coachella Valley, Immediately north of the I-10 / Jefferson Avenue fwy interchange 18 Comment
  UCR72202  Pectocarya heterocarpa Theo Glenn 1992-3-31 92 19 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR107715  Pectocarya linearis A. C. Sanders 1997-3-1 19744 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
  UCR245890  Pectocarya linearis subsp. ferocula R. F. Thorne 1995-3-29 63021 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  CHSC163  Pectocarya penicillata G. Spurlock 1935-4-12 Riverside Redlands. [Label says 'Riverside Co.]. Comment
  JEPS68207  Pectocarya penicillata W. L. Jepson 1901-5-20 1323 Riverside Thomas Valley San Jacinto Mts., Thomas Valley 1341 Comment
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Feb 16 2013
  RSA500073  Pectocarya penicillata Steve Boyd, L. Arnseth, Timothy S. Ross 1989-4-2 3239 a Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  UCR165267  Pectocarya peninsularis 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
  POM368801  Pectocarya platycarpa M. B. Dunkle 1934-3-18 3854 Riverside W of Shaver s Well, SE of Indio 244 Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  RSA77862  Pectocarya platycarpa F. W. Peirson 1920-2-16 1014 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  JOTR30140  Pectocarya recurvata La Doux, Tasha 2008-2-4 1707 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA695831B  Pectocarya recurvata J. R. Bruff 1928-4-2 97 -B Riverside Canyon wash west of Morango Comment
  RSA777441  Pectocarya recurvata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 974 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  SEINET2042515 Image available Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  CAS-BOT-BC71397  Pellaea mucronata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 362 Riverside Deep Canyon, south of Hwy. 74, c. 2 miles up water service road, north slope Santa Rosa Mountains 1310 Comment
  CHSC8343  Pellaea mucronata Edward L. Smith 1958-3-6 342 Riverside Located in Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  IRVC3146  Pellaea mucronata Charley Ford 1965-4-20 HS 590 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA543733  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6068 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
  RSA20209  Penstemon X parishii Carl B. Wolf 1938-6-11 9416 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA58861  Penstemon californicus Philip A. Munz, Percy C. Everett 1950-6-23 14912 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  UCR189574  Penstemon californicus Theresa Johnson 2006-6-9 161 Riverside Pennisular Range; San Jacinto Mountains, Garner Valley. South of Morris Creek, north of Pipe Creek, c. 0.5 mi east of Highway 74 Comment
  RSA489134  Penstemon centranthifolius Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA507962  Penstemon centranthifolius Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA747867  Penstemon centranthifolius Justin M. Wood 2009-5-11 702 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR16844  Penstemon centranthifolius Rodney Hendrick 1965-5-2 s.n. Riverside Perris-Aguanga Basin, 5 mi. west of Aguanga on Hwy 71 610 Comment
  UCR29644  Penstemon clevelandii subsp. connatus Wende Rehlaender 1983-5-28 117 Riverside Peninsular Ranges, Santa Rosa Mountains, Pinyon Flats Campground, c. 13.5 mi. along Hwy 74 from Palm Desert; 3.5 mi. north of Santa Rosa Mountain, 3 mi. south of Asbestos Mountain Comment
  POM4279  Penstemon grinnellii H. M. Hall 1901-07 2548 Riverside Fuller's Mills Mountain. 2134 Comment
  UCR23082  Penstemon heterophyllus W. W. Mayhew, B. A. Carlson 1981-6-6 s.n. Riverside San Jacinto Mtns, Valley Hi County Park off Hwy 243 1220 Comment
  JEPS11262  Penstemon labrosus W. L. Jepson 2310 Riverside Tauquitz Valley San Jacinto Mt., Tauquitz Valley (Southern California) 2438 Comment
  UCR121885  Penstemon spectabilis Ian G. Gillespie 2001-5-7 87 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as the Sycamore Canyon Area. In a sandy wash at the north east corner of the intersection of Indian Truck Tr. and De Palma Rd. Associated species: Cryptantha microstachys, Hirschfeldia incana, Amsinckia menziesii. 366 Comment
  UCR137604  Pentachaeta aurea 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
  RSA687392  Pentagramma triangularis May N. Ackley 1928-4-1 85 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  SEINET9628508 Image available Pentagramma triangularis subsp. triangularis C. J. Rothfels, M. D. Windham, J. Beck, A. L. Grisz, E. Schuettpeltz, K. Pryer 2008-5-14 2558 Riverside San Jucinto Mountains, San Bernardino National Forest, South Fork Canyon, south side of Hwy 74, approx. 5.5 km west of Mountain Center (as the crow flies). 651 Comment
  SEINET3089060 Image available Peritoma arborea B. Pitzer 1998-1-24 3403 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd, & wash directly S of rd. 500 Comment
  UCR133973  Peritoma arborea Mitch Provance, J. S. Ross 1998-3-27 MOR- 962 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  SD39386  Peritoma arborea var. angustata Jack Rempel 1931-4-11 Riverside Colorado Desert near Palm Springs Railroad Station. Comment
  JEPS34960  Perityle emoryi Mary Beal 1941-4-6 861 Riverside Box Canyon Colorado Desert, Coachella Valley, Mecca Hills Comment
  JOTR35343  Perityle emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 110 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA0118004  Perityle emoryi Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7624 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA471857  Perityle emoryi H. M. Hall 1902-04 2793 Riverside Coyote canyon 152 Comment
  RSA471858  Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA615329  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Colorado Desert: Chuckwalla Valley, 0.3 mile S of Chuckwalla Road on Graham Pass Road. Comment
  UCR148329  Perityle emoryi John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  SEINET10800183  Perityle emoryi David B. Dunn 1971-2-22 Dunn 1971 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  JOTR35333  Petalonyx linearis Harding, Mitzi, Mark Wheeler 2012-2-28 99 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  CAS-BOT-BC167758  Petalonyx thurberi Nancy Ryan Zabriskie; Walter Zabriskie 1971-10-23 452 Riverside Near Andreas Canyon Club gate, South Palm Canyon Drive, Palm Canyon drainage, east slope San Jacinto Mountains 167 Comment
  CAS-BOT-BC167761  Petalonyx thurberi R. F. Hoover 1966-10-15 10155 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  UCD117309  Petalonyx thurberi F. R. Lawson 1929-12-12 11- 8 Riverside Mecca. Comment
  UCR1498  Petalonyx thurberi Paul M. Estes 1962-5-21 129 Riverside Sonoran (Colorado) Desert, 5 mi east of Indio on Hwy 99 0 Comment
  UCR92254  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2492 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street 311 Comment
  POM14297  Peucephyllum schottii P. A. Munz, D. D. Keck 1922-4-9 4810 Riverside South base of Eagle Mtns. 183 Comment
  RSA770291  Peucephyllum schottii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4751 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UCR123870  Peucephyllum schottii Steven R. Hill 2001-4-29 33540 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  RSA783086  Phacelia J. D. Olmsted 1959-6-23 651 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild. 1646 Comment
  UCR214908  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains, ridgeline east of Whitewater Canyon, c. 2 miles north of town of White Water (Hwy I-10), near Super Creek Quarry 747 Comment
  UC1087288  Phacelia cicutaria var. hispida E. K. Balls and P. C. Everett 1958-3-19 22873 Riverside hills 1 mi e Hwy. 17 to Elsinore 198 Comment
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Mar 1 2014
  UC718114  Phacelia cicutaria var. hispida Carl B. Wolf 1935-4-7 6299 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCR121338  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25033 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  SD134446  Phacelia ciliata Craig Reiser 1991-4-30 Riverside Southeast of Lake Perris near the San Jacinto River Comment
  UC64056  Phacelia ciliata var. ciliata H. M. Hall 1897-3-20 394 Riverside Temescal Comment
  HSC28423  Phacelia crenulata Richard Spjut 1973-4-6 3269 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  UC1287157  Phacelia crenulata var. ambigua C. L. Hitchcock 1966-3-16 24210 Riverside along Palms to Pines Hwy 4 mi s Palm Desert 609 Comment
  UCR279512  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-27 43113 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR72243  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 115 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  RSA0110949  Phacelia crenulata var. ambigua Michael Honer, L. Hulse 2004-4-2 1872 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  UCR254600  Phacelia crenulata var. minutiflora Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24386 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UC284216  Phacelia davidsonii P. A. Munz and D. Keck 1923-6-14 7068 Riverside Glen Ivy Trail to Santiago Peak 1463 Comment
  RSA428221  Phacelia distans H. de Forest 1929-3-16 14648 Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  UC672713  Phacelia imbricata subsp. patula Harlan Lewis 1942-1 1709 Riverside near Idyllwild; Saunders Meadow Comment
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Sep 23 2013
  RSA203061  Phacelia minor James Henrickson 1967-4-30 2462 Riverside 2 miles N of Lake Elsinore. 396 Comment
  RSA736702  Phacelia minor Scott D. White 2004-4-26 10247 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR231807  Phacelia minor Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 03 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR41743  Phacelia minutiflora A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6068 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 1/2 mi. west of Graham Pass Rd., on powerline road 1/2 mi. south of old Hwy 60 (Chuckwalla Road) 134 Comment
  UCR176895  Phacelia ramosissima Tracy Tennant 1998-7-1 s.n. Riverside Double Butte, between Winchester and Homeland 762 Comment
  SEINET10780805  Pholisma arenarium George Yatskievych, Michael D. Windham; Fay, Wei Li 2011-5-10 Yatskievych 11 -13 Riverside Ca. 6 mi NW of junction with State Highway 371 (in Anza) along Bautista Road, San Bernadino National Forest; sandy bench in drainage of Bautista Creek. 1100 Comment
  RSA49358  Pholistoma membranaceum P. A. Munz 1949-4-11 13008 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  JOTR29443  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1341 Riverside Joshua Tree National Park. Hayfield spring Comment
  RSA132730  Phoradendron californicum Del Wiens 1953-12-5 868 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  RSA727012  Phoradendron californicum Naomi S. Fraga, Lisa Rojas 2005-2-10 1413 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR1505  Phoradendron californicum Donna Lee Hobbs 1962-2-2 2-2-62- 01 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 mi north of Deep Canyon Research Station gate on Deep Canyon Road Comment
  UCR228864  Phoradendron californicum Jim Andre 2011-2-9 15909 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
  UCR240037  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  RSA228805  Phoradendron macrophyllum Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 604 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  RSA28050  Physalis crassifolia I. L. Wiggins 1941-3-27 9673 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SBBG44461  Physalis crassifolia W. B. Holt 1941-10-23 21 -1941 Riverside few mi E of Pinto Basin Comment
  UCR102698  Physalis crassifolia B. G. Pitzer 1998-1-24 3381 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR103308  Physalis crassifolia George K. Helmkamp 1998-4-4 3166 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR51931  Physalis crassifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2152 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UC1535405  Phytolacca americana Don Domenigoni 1986-4-21 Riverside Hemet, at the Young property Hemet Comment
  UC1265379  Pilularia americana Robert F. Thorne and Earl Lathrop 1969-5-12 37919 Riverside s end Mesa de Colorado (Rancho California); Santa Rosa Plateau 624 Comment
  SEINET10612064  Pinus attenuata Porter P. Lowry II 1980-12-6 Lowry II 3125 Riverside Along State Hwy. 74, 14.2 mi SE of jct. with Stae Hwy. 79. San Bernardino National Forest. 1128 Comment
  CAS-BOT-BC78556  Pinus coulteri P. C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (N.) main divide motorway 1219 Comment
  RSA384332  Pinus flexilis George R. Johnstone 1928-9-8 s.n. Riverside Mt. San Jacinto, Calif. Wind swept timber. 3288 Comment
  POM230743  Pinus ponderosa I. W. Clokey, E. Y. Anderson 1935-8-21 6506 Riverside Idlewilde-Banning. Calif. San Jacinto Range. 1500 Comment
  CLARK-A1528-3562  Pinus quadrifolia John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  NY62443  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR47229  Pinus quadrifolia B. G. Pitzer, Jack Easton 1987-3-10 0397 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UCSB146  Pinus quadrifolia Rensselaer, Maunsell 1937-9-21 Riverside W. of Vandeventer Flat, San Jacinto Mts. Comment
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Dec 18 2011
  UCR48487  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA656541  Plagiobothrys canescens A. C. Sanders 2000-5-25 23422 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR230198  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-29 39361 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR182310  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-5 6609 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  RSA0013027  Plagiobothrys collinus var. ursinus LeRoy Gross, Caitlin Elam 2013-5-14 6046 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR58494  Plagiobothrys fulvus var. campestris Jeri Hirshberg 1989-4-4 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, and SW of Mesa de Burro 610 Comment
  POM368988  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside near Perris Comment
  UCR266817  Plagiobothrys leptocladus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 08 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  SD185172  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, wouth of Murrieta; small mesa southwest of Mesa de Burro. 579 Comment
  JEPS68147  Plagiobothrys tenellus W. L. Jepson 1935-4-17 19141 Riverside 1.5 mi n Elsinore 457 Comment
  JEPS68148  Plagiobothrys tenellus W. L. Jepson 1935-4-17 19147 Riverside 1.5 mi n Elsinore 457 Comment
  RSA0028762  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 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
  RSA761688  Plantago Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 704 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR113044  Plantago erecta Mitch Provance 1998-3-31 304 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the quarries. 366 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
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
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Feb 17 2013
  JEPS7192  Plantago ovata S. B. Parish 1913-2-7 8446 Riverside Mecca Salton Basin -60 Comment
  UC710903  Plantago ovata C. L. Hitchcock 1940-4-4 5952 Riverside Pinto Basin Comment
  UCR60796  Plantago ovata Steve Boyd, Orlando Mistretta 1986-3-13 1432 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UCR259219  Plantago patagonica Mitch Provance, Jeremiah George 2012-4-24 412- 09 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  UCR35065  Plantago patagonica L. B. Ziegler 1972-5-30 465 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  CSUSB1033  Platanus racemosa A. Belding 1967-5-12 S.N. Riverside B.S.A. Camp Evans, at the end of Indian Hill Rd. Riparian Valley Comment
  UCR270186  Platanus racemosa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42409 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
  RSA13858  Platystemon californicus P. A. Munz 1922-4-29 5078 Riverside 0.5 mile south of Lake Elsinore 412 Comment
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Sep 25 2011
  RSA586844  Platystemon californicus D. L. Banks, Peter Morrell 1995-5-4 311 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 732 Comment
  UC1930029  Platystemon californicus Scott D. White, Justin Wood 2008-5-15 11983 Riverside San Jacinto Mountains: Johnson Meadow. (Idyllwild) Comment
  UC50129  Platystemon californicus Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  UCR138836  Platystemon californicus D. L. Banks 1997-4-5 1682 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR201468  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR93018  Platystemon californicus G. P. Schultz 1994-4-7 71 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  CDA7048  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -397 Riverside City of Temecula, Wolf Valley, Wolf Valley Road at Wolf Creek Road. Comment
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Dec 13 2012
  CLARK-A1528-4441  Plectritis ciliosa Hoorieh 1980-5-10 Riverside San Jacinto Mountains 1432 Comment
  UC578616  Pleuraphis rigida H. S. Yates 1936-4-7 5431 Riverside 10 mi e Whitewater; Thermal Quad., e of Whitewater Comment
  UC354432  Pleurocoronis pluriseta Edmund C. Jaeger 1925-12-12 Riverside near Palm Springs; Eagle Canyon 91 Comment
  POM319673  Pluchea sericea Patricia Wilder 1971-11-11 5305 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA772056  Pluchea sericea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4621 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR194223  Pluchea sericea Scott D. White, Angelia Carey 2004-6-4 10482 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR250872  Pluchea sericea S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1.2 mi. SE of Mecca at intersection of 68th St. and Johnson Ave. -60 Comment
  UCR121696  Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  RSA0013700  Poa bulbosa subsp. vivipara LeRoy Gross, Grace Cho 2013-4-9 5998 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR2712  Poa nervosa F. M. Reed 1908-7-10 2486 Riverside San Jacinto Mtns, big meadow in Round Valley 2744 Comment
  CAS-BOT-BC247395  Poa pratensis F. A. Blake 1901-6-2 s.n. Riverside Reyneta Comment
  SEINET1911032  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12260 Riverside San Jacinto Mountians: Meadows at Baldy Mtn. 1585 Comment
  RSA298881  Poa secunda Frank W. Gould 1943-4-18 2153 Riverside On steep grassy slopes 1 mile west of Banning; foothills of the San Jacinto Mountains. Comment
  UCSB18304  Poa secunda subsp. secunda Smalley, G. 1964-5-9 Riverside 2.5 miles south of Banning on Banning to Idyllwild Road 853 Comment
  RSA678954  Polycarpon tetraphyllum Scott D. White, Michael Honer 2003-6-3 9460 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR17333  Polygonum argyrocoleon O. F. Clarke 1978-10-20 s.n. Riverside Riverside; Rubidoux area, 0.5 mi. north of Santa Ana River, north side of Limonite, 0.3 mi west of Clay St. intersection Comment
  RSA65917  Polygonum ramosissimum F. W. Peirson 1938-4-10 12379 Riverside 1-2 miles west of Blythe. Comment
  UC2026433  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 MILES NNE OF PALO VERDE: Avenue 32 & Rannells Blvd. Comment
  RSA192261  Polypodium californicum E. W. Lathrop 1965-4-2 4425 b Riverside 18 miles W of Murrieta in the Cottonwood Canyon of the Tenaja Range Comment
  POM48373  Polypodium hesperium P. A. Munz, I. M. Johnston 1924-7-27 8778 Riverside North side of rocks, Dark Canyon, San Jacinto Mountains 2194 Comment
  RSA757444  Polypogon monspeliensis R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55221 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR82908  Polypogon monspeliensis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15794 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET12240499  Poncirus trifoliata A. C. Sanders, Krueger, R. 2010-4-29 38112 Riverside Riverside, UCR Citrus Variety Collection, Agricultural Operations area, near int of Canyon Crest Dr 317 Comment
  RSA771107  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4727 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  SD137856  Porophyllum gracile Darin L. Banks, Steve Boyd 1995-5-9 361 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, Dripping Springs,West Woodchuck Cgd. 790 Comment
  UCR280994  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 56 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UC489190  Potamogeton diversifolius C. V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  RSA713904  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-6-24 s.n. Riverside Long Valley Comment
  UC12562  Potentilla gracilis var. fastigiata H. M. Hall 1897-9-11 806 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2438 Comment
  CAS-BOT-BC540424  Potentilla gracilis var. fastigiata H. M. Hall 1901-6-1 2296 Riverside San Jacinto Mountains, in the vicinity of Strawberry Valley 1615 Comment
  RSA682853  Prenanthella exigua Scott D. White, Michael Honer 2003-5-13 9234 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  UCR101521  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside Colorado/Mojave Desert, Little Maria Mountains, bajada at SW end of Rice Valley along Midland Road, just north of pass between Little and Big Maria Mountains. 274 Comment
  UCR103739  Proboscidea louisianica A. C. Sanders 1997-11-20 21620 Riverside Lake Skinner Reserve area, along road (on cut) on E side of Lake Skinner near Multispecies Reserve Headquarters 457 Comment
  UC454648  Prosopis glandulosa var. torreyana J. E. Roadhouse 1906-8-14 803 Riverside Temescal Canyon Comment
  UC574978  Prosopis glandulosa var. torreyana C. Epling and Wm. Robison 1933-6-24 Riverside near Indio Comment
  POM296501  Prunus fasciculata Lyman D. Benson 1945-3-29 11631 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  UC861037  Prunus fremontii Ivan Johnston Apr 4 1917-Apr 6 1917 1101 Riverside Colorado Desert, Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 304 Comment
  CLARK-A1528-3071  Prunus ilicifolia K. R. Montgomery 1969-9-9 Riverside Reed Valley Comment
  RSA472319  Psathyrotes ramosissima Anstruther Davidson 1922-04 3530 Riverside Palm Springs. Comment
  POM98745  Psathyrotes ramosissima P. A. Munz 1926-1-31 9963 Riverside Dos Palmas Spring Comment
  RSA3115  Pseudognaphalium biolettii C. B. Wolf 1932-2-11 2644 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  UCR256806  Pseudognaphalium biolettii T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7862 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  JOTR30280  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  MACF019472  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 273 Riverside Approx. 9 mi. west of intersection of St. 243 and 74, going toward Hemet. San Bernardino National Forest 1036 Comment
  RSA16329  Pseudotsuga macrocarpa Percy C. Everett 1935-6-18 7205 A Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (North) Main Divide Motorway. 1220 Comment
  RSA393769  Psilocarphus brevissimus Christopher Davidson 1977-5-25 5663 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  UCR166802  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-20 05- 238 Riverside SE (c. 0.5 mi) from end of California Avenue, off Florida Avenue (Hwy 74) and N of Stetson Avenue 463 Comment
  CAS-BOT-BC362109  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  UC170156  Psilostrophe cooperi E. E. Schellenger 1894-12-4 93 Riverside Chuckawalla Bench Colorado Desert Comment
  UCR29643  Psoralea californica Wende Rehlaender 1983-5-28 115 Riverside Peninsular Ranges, Santa Rosa Mountains, Pinyon Flats Campground, c. 13.5 mi. along Hwy 74 from Palm Desert; 3.5 mi. north of Santa Rosa Mountain, 3 mi. south of Asbestos Mountain Comment
  HSC47347  Psorothamnus arborescens var. minutifolius Richard Spjut, Judy Adams 1978-11-22 5235 Riverside Colorado Desert: N of Palm Springs along Indian Ave. 0 Comment
  JEPS41644  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-11 6024 Riverside Cottonwood Mts. , Cottonwood Mts. (Colorado Desert) Comment
  RSA771793  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4608 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SFV11880  Psorothamnus arborescens var. simplicifolius 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
  UC73148 Image available Psorothamnus arborescens var. simplicifolius M. T. Gilman 1904-1 51 Riverside West part of Colorado Desert; ; Colorado Desert Comment
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Jun 23 2011
  UCR17307  Psorothamnus arborescens var. simplicifolius K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  RSA498748  Psorothamnus schottii W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs. Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  UC1329933  Psorothamnus schottii James E. Cole 1941-4-16 602 Riverside Southern edge of Riverside County Comment
  UCR89662  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  UC21691  Pterospora andromedea H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1920 Comment
  JOTR34218  Pterostegia drymarioides La Doux, Tasha, M. Harding 2010-4-7 3025 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC6926  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR237627  Pterostegia drymarioides Duncan S. Bell 2010-3-20 608 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  RSA658  Pycnanthemum californicum J. T. Howell 1928-7-7 1032 Riverside Near Glen Ivy. 457 Comment
  RSA0082840  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  UCD47676  Quercus X acutidens D. Q. Cavagnaro 1963-9-17 84 Riverside State Highway 79, 11.4 miles west of Aguanga, Riverside County, California. 426 Comment
  RSA640178  Quercus agrifolia var. agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal Valley: Wright Ranch. Comment
  UCR158903  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31554 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  SEINET13297596 Image available Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8349 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  CHSC21929  Quercus cornelius-mulleri L. A. Bellue; R. A. Schlising 1970-11-7 2955 Riverside Near Kenworhty Forest Station on Morris Ranch Road, 3.3 miles north of Highway 74. Comment
  UC847934  Quercus cornelius-mulleri Carl B. Wolf 1932-10-12 Riverside Pinyon Well Colorado Desert, Little San Bernardino Mts. 1219 Comment
  RSA335003  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  UCR280969  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 32 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UC667287  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-5-26 2243 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  RSA571664  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  CAS-BOT-BC104453  Quercus turbinella Carl B. Wolf 1932-10-12 4295 Riverside Colorado Desert, Little San Bernardino Mts., Pinyon Well (Slopes above) 1219 Comment
  POM145260  Quercus turbinella E. C. Jaeger 1927-12-20 s.n. Riverside Palm Canyon, Eagle Mts. 915 Comment
  SD260965  Quercus wislizeni Mitch Provance 2010-7-6 610 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 751 Comment
  UC917880  Quercus wislizeni Frank W. Gould 1943-4-18 2136 Riverside 8 mi e Idlewild Comment
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Sep 29 2011
  UCR18990  Quercus wislizeni John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Near summit of Palms to Pines Hwy 1524 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  RSA477132  Quercus wislizeni var. frutescens Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  RSA339664  Rafinesquia neomexicana R. F. Thorne, C. W. Tilforth 1980-5-28 54216 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA472423  Rafinesquia neomexicana N. R. Zabriskie, Walter M. Zabriskie 1973-3-20 583 Riverside Coyote Canyon just above jepp road end, Deep Canyon drainage, north slope Santa Rosa Mountains 335 Comment
  UCR205287  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 10490 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 366 Comment
  RSA721996  Ranunculus californicus R. S. Woglum 1934-3-18 630 Riverside Snow Creek, Coachella Valley Comment
  UC56754  Ranunculus californicus H. M. Hall Apr. 1902 2889 Riverside Coahuilla Comment
  CLARK-A1528-361  Raphanus sativus Fred B. Essig 1966-5-21 Riverside Santa Ana River Comment
  UC56738  Raphanus sativus H. M. Hall April 1902 2989 Riverside vicinity of Riverside; Southern California 457 Comment
  RSA33888  Raphanus sativus N. C. Cooper 1944-4-22 1151 Riverside Banning. 762 Comment
  CAS-BOT-BC56044  Rhamnus ilicifolia H. E. McMinn 1925-7-1 1489 Riverside Control at base of grade to Idyllwild, San Jacinto Mts. Comment
  VVC445  Rhamnus ilicifolia Markell Kohn 1959-4-20 s.n. Riverside Box Springs Mtns, On Stone Ranch Rd 3 mi SW of intersection of Pigeon Pass/Stone Ranch Rds. 50 yds N of northern most radio station. 579 Comment
  JEPS58762  Rhododendron occidentale W. L. Jepson 2271 Riverside San Jacinto Mountain, Dark Canyon Dark Canyon; San Jacinto Mountain, Dark Canyon 1676 Comment
  RSA60298  Rhododendron occidentale var. californicum G. R. Campbell 1948-7-4 609 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  UCR25781  Rhus aromatica John C. Roos 1953-4-13 5524 Riverside Riverside, Box Springs Mountains 489 Comment
  LA62867  Rhus ovata Harlan Lewis; 1939-10-23 1040 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  RSA650226  Rhus ovata Carol Zuck 1981-2-16 42 Riverside On I-74, 17.5 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  POM11525  Rhus trilobata var. anisophylla P. A. Munz 1922-7-3 5956 Riverside S slope of Santa Rosa Mountains 1524 Comment
  SEINET959435  Ribes cereum A. C. Sanders 2006-1 32826 Riverside Schell Creek Range: Canyon c. 0.7 mi. above Rosebud Spring, c. 0.5 mile SW of VABM Connor ( 2633m), 2.5 miles SSW of Hwy 50/93. 2400 Comment
  UCR24929  Ribes cereum var. cereum A. C. Sanders 1980-8-23 1754 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  CAS-BOT-BC173141  Ribes indecorum Wesley O. Griesel 1959-3-24 s.n. Riverside Highway 79, 7 miles south of Hemet 609 Comment
  CAS-BOT-BC212608  Ribes montigenum Edmund C. Jaeger 1921-6-19 s.n. Riverside Round Valley, San Jacinto Mountains 2743 Comment
  RSA0022093  Ribes montigenum E. C. Jaeger 1921-06 s.n. Riverside Round Valley, San Jacinto Mtns. 2744 Comment
  POM12115  Ribes nevadense Mary F. Spencer 1921-6-1 706 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
  POM256958  Ribes speciosum W. Pequegnat 1939-12-29 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 610 Comment
  RSA0088969  Ricinus communis R. G. Swinney 1967-5-26 11741 Riverside Snow Creek. 335 Comment
  RSA449714  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  SBBG121983  Rosa californica S. D. White, A. Carey 2004-5-7 10334 Riverside Indian Crk and adjacent foothills 549 Comment
  RSA450256  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  POM366435  Rubus ursinus E. Crow 1929-4-21 343 Riverside North of Alberhill. Comment
  UCR1486  Rubus ursinus R. L. Irwin 1962-4-21 0032 Riverside c. 0.2 mile west of Lake Evans, Riverside 244 Comment
  RSA783814  Rumex acetosella John Olmsted 1958-6-15 174 Riverside San Jacinto River drainage area. Idyllwild School of Music and Arts. In pasture near Strawberry Creek. 1524 Comment
  SEINET3087570 Image available Rumex crispus J. Freeman 1988-5-29 Riverside Santa Ana River 0.25 mi E. of Hamner Ave. on N. side 274 Comment
  UC56650  Rumex crispus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR84876  Rumex hymenosepalus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16203 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  CLARK-A1528-768  Rumex salicifolius Bruce Freeman 1968-5-22 680522-2 Riverside Riverside Comment
  UCR202243  Rumex salicifolius 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
  CAS-BOT-BC445713  Sagittaria latifolia I. M. Johnston 1925-7-7 5288 Riverside Santa Ana River, 3 miles S. of Wineville 182 Comment
  CAS-BOT-BC500429  Salazaria mexicana A. C. Sanders; Jim Malusa 2015-3-11 41410 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  HSC79238  Salazaria mexicana G. K. Helmkamp 1983-10-8 - 32 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  RSA0059625  Salicornia subterminalis Steve Boyd, Dave Bramlet 1996-4-19 8609 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR201823  Salicornia subterminalis 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
  UC494328  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (4 mi. w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  UC494348  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana River, either side of rd.) 240 Comment
  CAS-BOT-BC108101  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  RSA18197  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  UC437377  Salix gooddingii Ivan Johnston 1917-4-4 Riverside Palm Canyon 457 Comment
  UCR37445  Salix gooddingii Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  POM177828  Salix laevigata Marcus E. Jones 1930-3-2 s.n. Riverside Corona. Comment
  RSA191446  Salix laevigata E. W. Lathrop, Robert F. Thorne 1967-9-26 6633 Riverside 6 miles NW of Murrieta. Comment
  SDSU13821  Salix laevigata W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR174233  Salix lasiolepis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32666 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCSB1712  Salsola tragus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  SD67650  Saltugilia australis I. W. Clokey, E. G. Anderson 1935-4-16 6830 Riverside East of Hemet. 600 Comment
  UC908751  Saltugilia australis Frank W. Peirson 1928-4-19 7848 Riverside hills n Elsinore; hills n of Elsinore 457 Comment
  JOTR30236  Saltugilia latimeri Leary, C. and Leary, Pat 1979-5-5 3002 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 Comment
  RSA357771  Saltugilia splendens R. F. Thorne, M. Z. Thorne 1973-3-30 42669 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA770780  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4618 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA791927  Salvia apiana A. C. Sanders 2012-4-12 40031 Riverside Peninsular Range; Santa Ana Mountains: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road. 314 Comment
  UCR139646  Salvia apiana A. C. Sanders 2004-6-30 28387 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR140707  Salvia apiana A. C. Sanders 2004-5-12 27864 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR234259  Salvia apiana A. C. Sanders 2012-4-12 40031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 314 Comment
  POM13400  Salvia apiana var. compacta E. C. Jaeger 1922-8-22 1013 Riverside Long Valley to Palm Springs. 1524 Comment
  RSA69373  Salvia carduacea G. R. Campbell 1951-5-30 16142 Riverside Just east of Cahuilla. 1098 Comment
  UCR201000  Salvia carduacea Justin M. Wood, Scott D. White and Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  HSC14336  Salvia columbariae D. W. Snell 1964-3-26 26 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  RSA180506  Salvia columbariae E. W. Lathrop 1960-5-27 5226 Riverside 6 miles west of Murrieta. Comment
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  UC1537560  Salvia columbariae Gordon H. True Jr. 1935-2-20 5 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCLA70055  Salvia columbariae O. A. Plunkett 1926-2-22 Riverside Morongo Pass; Colorado Desert 609 Comment
  UCR137374  Salvia columbariae June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Red Cloud Mine Road near I-10 427 Comment
  UCR216409  Salvia columbariae Michael L. O'Leary 2008-4-16 07 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCSB11998  Salvia columbariae Schevill, Peggy 1963-5-5 Riverside Joshua Tree Woodland; About 5 miles north by northwest; Pinyon Flats Campground; Calif Hwy 74 1021 Comment
  RSA664086  Salvia columbariae var. columbariae Bruce Albert 1982-4-17 70 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  JEPS62715  Salvia eremostachya W. L. Jepson and H. M. Hall 1901-5-22 1397 Riverside near Vandeventer's; Palm Canyon of San Jacinto 609 Comment
  JEPS16867  Salvia greatae Marjorie D. Clary 1938-4-17 2845 Riverside n of Salton Sea (Clemen's Well); Orocopia Mountains, Big Salt Creek Wash 243 Comment
  UCR174957  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  CAS-BOT-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA82389  Salvia vaseyi F. W. Peirson 1930-6-1 8930 Riverside Morongo Canyon, head of Coachella Valley. 610 Comment
  RSA132549  Sambucus mexicana Donald A. Johansen 1933-7-14 714 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  UC28631  Sambucus mexicana H. M. Hall 1901-6 2517 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  RSA601891  Samolus parviflorus Louis C. Wheeler 1933-5-28 1746 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR37479  Sanicula arguta Steve Boyd 1981-3-16 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UC105440  Sarcostemma cynanchoides subsp. hartwegii J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  JEPS22636  Sarcostemma hirtellum Rimo Bacigalupi with Roxana S. Ferris 1958-3-21 6253 Riverside ca. 13 mi. n. of Blythe (on rd. to Midland); w. slope Big Maria Mts. 262 Comment
  RSA596532  Schedonorus arundinaceus D. L. Banks 1996-7-16 1127 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road);, along a disturbed hillside and adjacent roadside 426 Comment
  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
  UCR89564  Schismus arabicus George K. Helmkamp 1994-3-10 42- 14 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA406333  Schismus barbatus Christopher Davidson 1973-4-1 1799 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SD247293  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  UCR20979  Schoenoplectus americanus A. C. Sanders, S. D. Boyd, J. Zabriskie 1980-4-17 1338 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  POM1404  Schoenoplectus maritimus I. M. Johnston 1918-5-30 2026 Riverside Lee Lake, Temescal Canyon. 335 Comment
  RSA596542  Schoenoplectus maritimus Darin L. Banks, Lauren Raz 1996-8-29 1143 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  UC841025  Scirpus maritimus P. A. Munz 1922-4-29 5107 Riverside s Elsinore (Sedco, water along roadside); Sedco, s of Elsinore Comment
  UCR94485  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside Santa Ana Mtns, W of 'Onion Hill', SE of Elsinore Peak Area along trail following old Main Divide Road grade. 1006 Comment
  UCR172808  Scrophularia californica Abby Sirulnik 2000-5-7 31 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  UCR91461  Scrophularia californica Scott D. White 1995-3-30 2674 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
  JEPS11409  Scrophularia californica subsp. floribunda W. L. Jepson May 17 1901-Jun 1 1901 1216 Riverside Riverside Comment
  RSA761227  Scutellaria siphocampyloides Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 730 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA761228  Scutellaria siphocampyloides Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 729 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG71220  Scutellaria siphocampyloides Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  RSA747868  Secale cereale Justin M. Wood 2009-5-11 701 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA0042605  Sedum spathulifolium John F. Emmel 1984-5-2 896 Riverside San Jacinto Mts.; along South Fork San Jacinto River, 0.1 to 0.2 air mile W. of the trail crossing of the river. 1121 Comment
  CLARK-A1528-23  Selaginella bigelovii Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  RSA495801  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2910 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  SEINET10470979  Selaginella eremophila Ivan Murray Johnston 1917-4-4 Johnston 1047 Riverside Palm Canyon Comment
  CAS-BOT-BC323973  Senecio flaccidus var. douglasii P. C. Everett 1935-6-17 7145 Riverside Santa Ana Mts., Coldwater Can. Trail to Santiago Pk, 1 mi. above Glen Ivy Resort. 548 Comment
  UC496515  Senecio flaccidus var. monoensis Philip A. Munz 1932-10-16 12840 Riverside Palm Creek Santa Rosa Mts. 1463 Comment
  CAS-BOT-BC364529  Senecio vulgaris Edmund C. Jaeger 1921-6-12 s.n. Riverside Fairmont Park, Riverside Comment
  JOTR29469  Senegalia greggii La Doux, Tasha, N. Pietrasiak 2006-6-16 1680 Riverside Joshua Tree National Park. Stop # 1= N Eagle Mountains, approx. 2 miles NE Cottonwood visitor center 1051 Comment
  LA204900  Senegalia greggii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
  RSA0093798  Senna armata Jim M. Andre 2012-4-11 20725 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  RSA575912  Sesuvium verrucosum Steve Boyd, Darin Banks 1994-9-29 8372 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA675695  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UC472847  Sesuvium verrucosum M. F. Spencer 1922-3-25 51 Riverside Mecca, Colorado Desert Mecca; , Colorado Desert Comment
  UCD97029  Sesuvium verrucosum A. C. Sanders; D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR95719  Setaria viridis D. L. Banks, Lauren Raz 1996-8-29 1136 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  UCR119437  Sidalcea malviflora A. C. Sanders, Mitch Provance 1999-9-26 23102 Riverside San Jacinto Mountains, Garner Valley, along Hwy 74 east of the upper end of Hemet Lake, SE of Lake Hemet store 1326 Comment
  RSA433912  Sidalcea malviflora subsp. sparsifolia M. B. Dunkle 1933-7-20 3701 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CLARK-A1528-3243  Sidalcea neomexicana John C. Roos 1966-5-19 Riverside San Jacinto Valley Comment
  RSA543865  Silene antirrhina Steve Boyd, David E. Bramlet 1991-5-13 6249 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA559425  Silene antirrhina Steve Boyd 1992-4-15 6876 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR68717  Silene multinervia Steve Boyd 1990-5-11 4628 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  CAS-BOT-BC389579  Silene parishii H. M. Hall 1901-7-1 2549 Riverside San Jacinto Mountains. Fuller's Mills Mountains 2194 Comment
  UC8489  Silene verecunda subsp. platyota H. M. Hall August 1901 2590 Riverside along creeks of Tamarack Valley San Jacinto Mountains, Tamarack Valley 2743 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
  UCR35133  Silene verecunda subsp. platyota L. B. Ziegler 1968-6-11 310 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) 1418 Comment
  UCR260259  Simmondsia chinensis A. C. Sanders, Jim Malusa 2015-3-9 41360 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
  SD137827  Sisymbrium altissimum Darin L. Banks 1995-4-11 163 Riverside Agua Tibia Mountains Watershed; North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail 760 Comment
  UCR22141  Sisymbrium altissimum Steve Boyd 1980-6-2 307 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau 640 Comment
  UCR119438  Sisymbrium erysimoides A. C. Sanders, T. B. Salvato 2000-5-18 23394 Riverside Sonoran (Colorado) Desert, Coachella Valley, east side of the Coachella Canal south of Ave. 56 and north of Ave. 60, where Imperial Irrigation Dist. powerline leaves wash 18 Comment
  RSA311422  Sisymbrium erysimoides O. F. Clarke 1973-05 s.n. Riverside Box Springs Mtns. north of Univ. of California, Riverside. Comment
  GMDRC9812  Sisymbrium irio J. M. Andre 2017-3-1 38038 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  UCR167450  Sisymbrium irio 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
  UCR239897  Sisymbrium officinale 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
  SD224902  Sisymbrium orientale Scott D. White 1995-3-30 2679 Riverside Moreno Valley. Hills directly S of SR 60, W of bend in Moreno Beach Dr. Comment
  UCR180346  Sisymbrium orientale Scott D. White, Angelia Carey 2004-4-5 10028 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR98693  Sisymbrium orientale 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
  RSA180388  Sisyrinchium bellum E. W. Lathrop 1960-4-8 4740 Riverside 14 miles W of Murrieta. Comment