Search Results — 2000 specimen records retrieved (1891 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA518562  Abies concolor F. C. Vasek 1976-7-4 760704 -5 Riverside San Jacinto Mountains, Pine Cove. 1829 Comment
  RSA519127  Abies concolor F. C. Vasek 1977-11-25 771125 -11 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  UC64453  Abies concolor W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1304 Riverside Strawberry V. San Jacinto Mt., Strawberry V. 1676 Comment
  CAS-BOT-BC229339  Abronia villosa Philip A. Munz 1937-5-31 15113 Riverside Below Anza Tablet [Table], head of Coyote Canyon 1005 Comment
  CAS-BOT-BC229351  Abronia villosa Milo S. Baker 1928-4-5 2848 b Riverside Palm Springs Comment
  RSA340185  Abronia villosa Robert F. Thorne, W. A. Tilforth 1980-5-28 54181 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UC1136567  Abronia villosa H. S. Yates 1937-6-27 6719 Riverside s end of Hemet Valley; San Jacinto Comment
  UC724233  Abronia villosa Aven and Ruth Nelson 1939-3-22 3216 Riverside s Indio (The 100 Palms resort, Highway 99) Comment
  RSA461202  Abronia villosa var. aurita P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA575827  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  SEINET3133246  Abronia villosa var. aurita R. W. Spellenberg, D. Jackson 1972-5-19 2822 Riverside 7 mi E of downtown Hemet on Hwy 74 579 Comment
  RSA0030910  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake. 1300 Comment
  RSA461037  Abronia villosa var. villosa N. C. Cooper 1942-4-17 609 Riverside Palm Springs Comment
  UCR123830  Abronia villosa var. villosa Steven R. Hill, K. Kramer 2001-4-27 33489 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  UCR249664  Abronia villosa var. villosa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7301 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  CSUSB1602  Acacia greggii Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
Read comments
Jun 3 2012
  UC1505824  Acacia greggii Robert T. Clausen and Harold Trapido 1940-6-18 4672 Riverside at mouth of Chino Canyon, Palm Springs, Salton Sea Basin Chino Canyon; Pacific Slope, Salton Sea Basin, Palm Springs 457 Comment
  UCR178532  Acacia greggii R. G. Swinney 1967-5-26 148 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA757824  Acamptopappus sphaerocephalus M. Wall 2010-5-6 556 Riverside San Gorgonio Pass area, off Tipton Rd. ca. 0.75 miles west of jct with Hwy 111 350 Comment
  SEINET11854510  Acamptopappus sphaerocephalus Unknown 1936-1 12815 Riverside Colorado Desert, N of Palm Springs Comment
  RSA38413  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1946-10-21 11598 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  RSA394138  Acer macrophyllum Christopher Davidson 1977-5-18 5614 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCR178159  Achillea millefolium John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  CAS-BOT-BC218714  Achnatherum coronatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9663 Riverside 3 miles below junction of Idylwild Road on State Highway #74 Comment
  RSA673498  Achnatherum coronatum Scott D. White, Sandy Leatherman 2000-4-19 7664 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  JOTR00963  Achnatherum hymenoides Cole, James E. 1941-1 982 Riverside Joshua Tree National Park. PINE CITY ROAD Comment
  RSA700957  Achnatherum speciosum Gary D. Wallace 1982-5-15 1998 Riverside Palms to Pines Highway, 7 level hill. Comment
  SBBG57061  Achnatherum speciosum M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  JOTR00871  Achnatherum speciosum Sipe, Frank 1958-3-9 234 Riverside Joshua Tree National Park. HIDDEN VALLEY 1249 Comment
  JOTR28927  Achyronychia cooperi La Doux, Tasha 2005-3-1 1163 Riverside Joshua Tree National Park. Between Sand Hills and Main Road to Cottonwood Comment
  SDSU13491  Acmispon argophyllus var. argophyllus Ryan Jacobson, Jeremy Mass 2000-10-24 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. 177 Comment
  CAS-BOT-BC204877  Acmispon argyraeus var. argyraeus Philip A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak 2407 Comment
  OBI12981  Acmispon glaber var. brevialatus Robert F. Hoover 1969-4-11 11221 Riverside Mouth of Morongo valley cyn Comment
  JOTR34268  Acmispon strigosus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3284 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  SBBG3488  Acmispon strigosus H. and M. Dearing 1941-3-7 4814 Riverside Cathedral City bajada Comment
  RSA775668  Adenophyllum porophylloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 804 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SD90105  Adenophyllum porophylloides Nancy Ryan Zabriskie, Walter Zabriskie 1972-12-30 554 Riverside Callaway Canyon, east slope San Jacinto Mountains. Comment
  UC667304  Adenophyllum porophylloides Annie M. Alexander and Louise Kellogg 1941-5-15 2181 Riverside in rock outcrop at base Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  SEINET232551  Adenostoma fasciculatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountains 1 mile up Bee Canyon off of Highway 74. Banning 15 minute quadrangle. 457 Comment
  UC403963  Adenostoma sparsifolium C. Van Deventer Aug 1903 Riverside San Jacinto Mt. Region Comment
  SD84928  Adiantum capillus-veneris Nancy Ryan Zabriskie, Walter Zabriskie 1971-11-27 466 Riverside Andreas Canyon, east slope of San Jacinto Mountains, ca. 25 feet north of stream bank, 200 yards below juncture with north canyon 359 Comment
  UCR13753  Adiantum capillus-veneris N. R. Zabriskie, W. M. Zabriskie 1971-11-27 466 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' north of stream bank, & c. 200 yards below juncture w/ 'north canyon'; Andreas Canyon, E slope of mountains. 360 Comment
  SEINET10720797  Agave deserti Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UC815099  Agrostis idahoensis P. A. Munz 1922-7-6 6013 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  SD187477  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes 548 Comment
  RSA696214  Allenrolfea occidentalis Keith E. Hoffmaster 1928-12-29 s.n. Riverside 9 mi from Dos Palmas Comment
  RSA708482  Allionia incarnata Scott D. White, Brian Leatherman 2005-5-4 11014 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  UC703084  Allionia incarnata Lester Rowntree 1937-5-26 Riverside Box Canyon near Mecca; Box Canyon Comment
  RSA698213  Allionia incarnata var. nudata J. Russell Bruff 1929-12-28 449 Riverside Dos Palmas Comment
  UC119988  Allium burlewii A. W. Anthony 1895-7-7 Riverside San Jacinto Mts. 2743 Comment
  CAS-BOT-BC464447  Allium burlewii Edmund C. Jaeger 1922-6-21 s.n. Riverside Caramba, Tacquitz creek,San Jacinto Mts. 1828 Comment
  UCD138539  Allium haematochiton Geoffrey Levin 1975-4-26 480 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  UCR37470  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  RSA190622  Allium lacunosum var. davisiae L. B. Ziegler 1967-6-25 s.n. Riverside Kenworthy Ranger Station, south end of San Jacinto Mountains. 1616 Comment
  UC1286988  Allium marvinii C. L. Hitchcock 1966-3-15 24154 Riverside 1 mi e Glen Ivy Hot Springs Comment
  RSA366475  Allium munzii B. C. Templeton, I. W. Clokey, C. B. Clokey 1930-4-15 1477 Riverside Near Gavilan Peak w. of Perris 400 Comment
  RSA70180  Allium munzii F. W. Peirson 1922-4-28 2961 Riverside Temescal Canyon, western Riverside Co.. 320 Comment
  RSA673549  Allium peninsulare Scott D. White, Tasha LaDoux 2000-4-20 7703 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA751916  Allium peninsulare Scott D. White, Justin M. Wood 2009-5-22 12919 Riverside Old Control Road, above Halfway Spring. 1159 Comment
  UCR16651  Allophyllum divaricatum Tony Beck 1968-5-4 s.n. Riverside San Jacinto Mtns., 4 mi. south of Banning on Hwy '74' [ 243] 915 Comment
  RSA411101  Allophyllum glutinosum N. C. Cooper 1944-6-17 1407 Riverside San Jacinto Mountain. West side. 1372 Comment
  SEINET2444579  Allophyllum glutinosum A. C. Sanders, T. B. Salvato; Kelly Volansky 2006-5-22 32497 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. (Murrieta 7.5' Q.). 488 Comment
  UCR110996B  Allophyllum glutinosum George K. Helmkamp 1998-6-27 4102 A Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR158323  Allophyllum glutinosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30066 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM13056  Allophyllum violaceum E. C. Jaeger 1921-6-20 s.n. Riverside Tahquitz Valley, San Jacinto Mts. Comment
  UCR251961  Alnus rhombifolia Max Brodie 2014-4-6 03 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  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
  UCSB46786  Alstroemeria O. F. Clarke 1969-6-25 Riverside collected at 1012 Spruce Street Spruce Street Comment
  SD260880  Alternanthera caracasana Mitch Provance 2012-7-17 712 11 Riverside San Gorgonio Pass: South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio AVE. 1134 Comment
  RSA7375  Amaranthus albus Justin M. Wood 2008-10-29 208 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UCR26460  Amaranthus hybridus A. C. Sanders 1981-10-31 2393 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  RSA780557  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  UCR176692  Ambrosia acanthicarpa R. D. Goeden, Don W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet, along Hwy 74 south of inlet 1326 Comment
  SD143588  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 Riverside Moreno Badlands, west of Beaumont, south side of Highway 60, 2 miles west of Jackrabbit Trail 686 Comment
  CAS-BOT-BC22583  Ambrosia dumosa Donald W. Kyhos 1960-3-26 60 -17 Riverside Whitewater Canyon Comment
  CAS-BOT-BC22604  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -331 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  RSA777416  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 784 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA784725  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA792912  Ambrosia dumosa Aaron C. Sedgwick, Duncan S. Bell 2012-9-12 117 Riverside Rice Valley - Take Rice/Blythe Rd. south ~3 mi. from Hwy. 62, then head east on an unmarked BLM road. 235 Comment
  SBBG61677  Ambrosia dumosa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SD218270  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6 km south of Lake Cahuilla County Park. Comment
  UC1979834  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 986 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  UC896716  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCD128796  Ambrosia dumosa Geoffrey Levin 1976-10-17 1185 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  UCSB41267  Ambrosia dumosa Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wellls 210 Comment
  RSA4944  Ambrosia ilicifolia C. B. Wolf 1932-4-27 3053 Riverside At n base of Chuckwalla Mts. 5 mi. east of Desert Center, Colorado Desert. 152 Comment
Read comments
Sep 24 2011
  UCR228833  Ambrosia pumila A. C. Sanders, T. B. Salvato 2011-4-27 39332 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
  LA203755  Ambrosia salsola A. M. Johnson; 1932-3-19 3880 Riverside below [S of] Palm Springs Comment
  UC898008  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  UCR270409  Amelanchier utahensis John F. Emmel 2000-4-30 1646 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road at Garnet Queen Creek crossing 1890 Comment
  RSA7751  Ammannia coccinea C. M. Dammers 1933-12-4 s.n. Riverside Growing wild in center of city of Riverside Comment
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Nov 23 2010
  UCR161033  Ammi majus B. G. Pitzer 1993-5-6 s.n. Riverside Riverside, in the yard of the Pitzer residence, Wendel Way 335 Comment
  POM259131  Amorpha californica P. A. Munz 1938-8-14 15375 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  SEINET1004491  Amorpha fruticosa T. B. Salvato, Kent Beaman 2005-1 839 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of CA Hwy 74 549 Comment
  UCR154745  Amsinckia intermedia T. B. Salvato, Kent Beaman 2005-5-16 786 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
  UCR234221  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-20 39973 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  UCR241948  Amsinckia intermedia A. C. Sanders, Timothy W. Chumley 2013-3-28 40707 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  RSA0089921  Amsinckia menziesii var. menziesii D. L. Banks, Victor Steinmann 1997-3-13 1417 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR140314  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA779632  Amsinckia tessellata Duncan S. Bell 2010-4-1 665 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  JOTR34469  Amsinckia tessellata var. tessellata Andre, Jim 2012-4-16 20956 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  UC1329903  Amsonia tomentosa James E. Cole 1941-5-14 703 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1280 Comment
  UC1329904  Amsonia tomentosa James E. Cole 1941-5-5 695 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1310 Comment
  SDSU14315  Anagallis arvensis Joel Tracey 2002-4-20 11 Riverside Santa Margarita Ecological Reserve, 0.3 mileseast from parking area intersecting Santa Margarita River and Northside Field Station road, on north side of river. Large pool abuting low angle slab. 255 Comment
  SD134507  Ancistrocarphus filagineus Craig Reiser 1991-4-25 Riverside Just S of Harford County Park, S of Daleona Road Comment
Read comments
Mar 4 2013
  CAS-BOT-BC499167  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands: San Timoteo Canyon, El Casco area, N of San Timoteo Canyon Rd and E of Woodhouse Rd 626 Comment
  RSA18198  Anemopsis californica C. B. Wolf 1929-5-31 3738 Riverside 1 mi. NW of Santa Ana River on Corona-Chino road. Comment
  RSA653587  Anemopsis californica A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23183 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. [UTM 10km cell 436 Comment
  RSA77438  Angelica tomentosa F. W. Peirson 1924-7-29 5024 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  RSA33652  Antirrhinum coulterianum N. C. Cooper 1944-6-4 1325 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA425818  Antirrhinum filipes F. R. Fosberg 1932-3-13 8084 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SD227898  Antirrhinum nuttallianum A. C. Sanders 1994-5-15 14492 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UC1929409  Antirrhinum nuttallianum Scott D. White 2004-4-26 10259 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCR214311  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38404 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA125361  Antirrhinum nuttallianum subsp. nuttallianum R. Weatherby 1950-5-25 1096 Riverside 3 miles west of Lakeview Comment
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Jul 11 2012
  SEINET7063233  Apiastrum angustifolium A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR107748  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 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
  SD122932  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Road, 7 miles west of Rancho California. 365 Comment
  RSA192218  Apocynum sibiricum H. A. Zuill 1966-6-5 202 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UC667363  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument 1249 Comment
  RSA134779  Arabis pulchra A. Martin s.n. Riverside Riverside Comment
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  POM354262  Arceuthobium campylopodum Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  RSA629149  Arctostaphylos Jon E. Keeley 1992-7-17 16768 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629173  Arctostaphylos Jon E. Keeley 1992-7-17 16792 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629174  Arctostaphylos Jon E. Keeley 1992-7-17 16793 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  UC1121515  Arctostaphylos R. St. John 1929-5-2 23 Riverside Toro Peak Indio Quadrangle, Santa Rosa Mountains 1676 Comment
  RSA629413  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19502 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  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
  RSA629437  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19531 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA552710  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-2-21 6666 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  RSA78310  Arctostaphylos glandulosa var. adamsii P. A. Munz, E. K. Balls 1952-8-21 17984 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA631792  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19566 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631807  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15073 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA633563  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21750 Riverside Dirt road to Santa Rosa Mountain, 1.8 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1605 Comment
  RSA5251  Arctostaphylos patula subsp. platyphylla C. B. Wolf 1932-8-5 3988 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  CAS-BOT-BC44369  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  LA42421  Arctostaphylos pringlei subsp. drupacea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  RSA635647  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16613 Riverside Road to Santa Rosa Mtn. (7S02), 1.5 km south of Hwy 74. 1540 Comment
  RSA635783  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16532 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  SBBG5490  Arctostaphylos pungens M. Van Rensselaer 1937-6-24 Riverside Santa Rosa Indian Reservation Comment
  UC21839  Arctostaphylos pungens H. M. Hall 1901-6-12 2102 Riverside w side San Jacinto Mountains Comment
  SDSU17430  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 396 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UCR209397  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6516 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, north side of El Calamar Road and Via Escalon, 0.8 km west-northwest of the summit of Mesa de La Punta 447 Comment
  SD137811  Arenaria douglasii Darin L. Banks, Steve Boyd 1995-5-3 291 Riverside Cleveland national Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 509 Comment
  RSA0045241  Argemone intermedia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  RSA586838  Argemone munita subsp. munita D. L. Banks, Peter L. Morrell 1995-5-4 305 Riverside Cleveland National Forest. Agua Tibia Wilderness. 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. 622 Comment
  RSA575735  Aristida adscensionis S. J. Darbyshire, J. Cayouette 1994-9-17 4638 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  SEINET192378  Aristida adscensionis I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 mi northeast of Desert Center. Comment
  JOTR35999  Aristida californica Harding, Mitzi, Mark Wheeler 2012-9-4 210 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  SEINET244313 Image available Aristida hamulosa A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin; S of Hemet, 1/4 mi. S of Gibbel Rd. about 1 mi E of State St., foothills forming east end of Diamond Valley, 1 mi SSE of Hemet Butte, S of mouth of Avery Cyn. 518 Comment
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Jul 14 2014
  CAS-BOT-BC137531  Aristida purpurea var. nealleyi Philip A. Munz 1946-10-20 11575 Riverside At edge of Wash, Palms to Pines Highway, 11.5 miles south of Palm Springs to Indio Road. 1036 Comment
  UCR2162  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 152 Comment
  RSA125963  Artemisia californica E. K. Balls, Percy C. Everett 1957-11-4 22755 Riverside Snow Creek. 610 Comment
  CAS-BOT-BC90418  Artemisia douglasiana Lathrop; Thorne 1967-9-26 6612 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  RSA736544  Artemisia dracunculus Scott D. White, Angelia Carey 2004-7-2 10589 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SDSU12991  Artemisia dracunculus Michael G. Simpson with Claudia A. Luke 1999-10-27 2011 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  OBI35675  Artemisia ludoviciana Louis B. Ziegler 1964-8-10 2 Riverside San Jacinto Mts-Garner (Hemet) Valley. Kenworthy ranger station Comment
  RSA125855  Artemisia tridentata E. K. Balls, Percy C. Everett 1957-11-6 22794 Riverside South end of San Jacinto Mountains, State Highway 74 1372 Comment
  RSA0023092  Asclepias albicans John F. Emmel 1995-4-21 1367 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  JOTR32021  Asclepias erosa La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2251 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  RSA401228  Asclepias erosa N. C. Cooper 1944-5-20 2641 Riverside Palm Springs. 137 Comment
  RSA543155  Asclepias erosa Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6105 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
  CDA39815  Asclepias subulata W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  CAS-BOT-BC65781  Aspidotis californica Munz; Harwood 1920-2-28 3236 Riverside 2 mi S.E. of Corona 274 Comment
  RSA585635  Aspidotis californica Darin L. Banks, Steve Boyd 1995-3-15 70 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR25365  Asplenium vespertinum John C. Roos 1952-4-16 5548 Riverside Damp canyon off Reche Canyon. 518 Comment
  SBBG67452  Astragalus M. E. Jones 1929-3-9 Riverside Whitewater Comment
  RSA782074  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  RSA659768  Astragalus didymocarpus J. C. Roos 1952-4-30 5606 Riverside Hills between Camp Haan and Riverside 518 Comment
  CAS-BOT-BC178442  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  CAS-BOT-BC178447  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15143 Riverside Northwest slope of Santa Rosa Peak 2225 Comment
  RSA642086  Astragalus douglasii var. parishii Orlando Mistretta, Mark Elvin 1995-6-19 1777 Riverside Highway 74. 1418 Comment
  UC14752  Astragalus douglasii var. parishii H. M. Hall June, 1901 2123 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); eastern base San Jacinto Mountains, Colorado Desert Comment
  UCR207696  Astragalus douglasii var. parishii Justin M. Wood, Brandy N. Wood 2009-6-13 888 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  CAS-BOT-BC178435  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9659 Riverside 0.3 miles west of Mountain Center, San Jacinto Mts. 1371 Comment
  CAS-BOT-BC186906  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  RSA0037331  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  UC397239  Astragalus lentiginosus var. coachellae Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside Whitewater Colorado Desert, Whitewater (Colorado Desert, in sand around station) Comment
  UCR186855  Astragalus lentiginosus var. variabilis Naomi Fraga, Et al. 2005-3-30 1541 Riverside Sonoran (Colorado) Desert/Mojave Transition, dunes in the southern portion of the Pinto Basin. Joshua Tree National Park 549 Comment
  SEINET7042775  Astragalus nuttallii W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  UCR101917  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  UC987815  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside e Quail Spring (Joshua Tree National Monument); , e of Quail Spring 1300 Comment
  CAS-BOT-BC192825  Astragalus pomonensis C. F. B. 1904-4-5 4131 Riverside Hemit [Hemet] Comment
  RSA500574  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CAS-BOT-BC193164  Astragalus sabulonum S. B. Parish 1913-2-7 8450 Riverside Mecca, Salton Sink 60 Comment
  RSA19083  Athyrium filix-femina I. W. Clokey, E. G. Anderson 1935-8-21 6504 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA692510  Athyrium filix-femina subsp. cyclosorum Sisson 1930-11-12 20 Riverside San Jacinto Mtns.: Near Idyllwild. Strawberry Creek. 1982 Comment
  SBBG56269  Athyrium filix-femina var. cyclosorum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  CAS-BOT-BC17418  Athysanus pusillus H. M. Hall 1897-2-27 367 Riverside Rawson. Comment
  UCR91225  Athysanus pusillus Scott D. White 1996-3-31 3866 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA735223  Atrichoseris platyphylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11245 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG46705  Atrichoseris platyphylla Leota Davidson 1966-4-5 224 Riverside E of intersection at Wiley Well, Chuckwalla Mtns Comment
  UCD129390  Atrichoseris platyphylla M. F. Wojciechowski; M. J. Sanderson 1993-3-24 279 Riverside Little Maria Mountains, near Midland. Comment
  UCR279345  Atrichoseris platyphylla A. C. Sanders, Jim Malusa 2017-3-23 42943 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA784837  Atriplex J. D. Olmsted 1959-9-23 1011 Riverside 2.25 mi S of Hemet Lake along Hwy 74, San Jacinto Mts. drainage area to Hemet Lake 1387 Comment
  RSA57457  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
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Feb 26 2013
  SEINET3930042  Atriplex argentea var. mohavensis Steve Boyd 1985-8-7 1117 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
  CAS-BOT-BC170212  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5226 Riverside Mockingbird Canyon near Arlington Comment
  CAS-BOT-BC170217  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 378 Riverside 2 mi. SE Salton Bench Mark -76 Comment
  UCR228401  Atriplex canescens var. canescens Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-31 117 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111 740 Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  POM278955  Atriplex canescens var. linearis Grant D. Brown 1951-3-28 615 Riverside Date Palm Beach 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
  UCR112392  Atriplex davidsonii A. C. Sanders, K. C. Rose 1998-5-21 21850 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
  UCR266362  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  RSA0031555  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  RSA478265  Atriplex hymenelytra E. C. Jaeger 1922-3-29 746 Riverside Painted canyon, near Mecca. Comment
  RSA727387  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 -a Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC1076210  Atriplex hymenelytra Herbert L. Mason 1928-3-10 4207 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  UC66493  Atriplex lentiformis E. E. Schellenger 1904-10-16 54 Riverside between Coachella and Wolters [Walters = Mecca] Comment
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Jun 18 2011
  RSA289849  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  RSA787597  Atriplex polycarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-12-15 727 Riverside Palen Valley. Hwy 177. N of Desert Center. Site #2. 274 Comment
  IRVC26844  Atriplex semibaccata S. D. White 2001-4-13 8322 Riverside Badlands: County landfill area north of Moreno valley; ca. 1/4 air miles NW of SR60 junction with Gilman Springs Road. Southern Coastal 595 Comment
  UCR261193  Atriplex serenana var. serenana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41717 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  UCR89874  Atriplex suberecta Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA774514  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4467 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 W116.64315 487 Comment
  GMDRC4943  Avena fatua J. Andre 2011-2-18 15820 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  UCR139033  Avena fatua D. L. Banks, V. W. Steinmann 1997-3-13 1448 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
  RSA209596  Ayenia compacta Richard A. weaver 1970-1-14 s.n. Riverside Chuchwalla Mts. (west portion of range). Gravelly canyon bottom. Eaten by mammals. Comment
  CAS-BOT-BC502093  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mtns Aerial Gunnery Range, 2.25 mi E of Gasline Rd 646 Comment
  JOTR29288  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 Comment
  UCR117216  Baccharis salicifolia B. G. Pitzer 2000-4-20 4123 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  CAS-BOT-BC106630  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  UCR19494  Baccharis salicina John C. Roos 1965-10-6 s.n. Riverside Santa Ana River at Pedley 201 Comment
  CAS-BOT-BC99866  Baccharis sergiloides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC99875  Baccharis sergiloides Geo. B. Grant 96 -6746 Riverside Palm Springs Comment
  CDA10400  Baccharis sergiloides T. C. Fuller 1959-4-8 2472 Riverside Edge of Colorado River, 6 miles south of Ripley. 0 Comment
  RSA772579  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5044 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 W116.66011 750 Comment
  UC1979618  Baccharis sergiloides D. L. Banks, Steve Boyd 1995-10-26 0831 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. Comment
  UCR92158  Baccharis sergiloides D. L. Banks, Steve Boyd 1995-10-17 0804 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  CDA41202  Bacopa monnieri G. D. Barbe, J. L. Johnson 1983-1-25 4037 Riverside Colorado River at mouth of Alligator Slough; boat ramp and picnic grounds; Lost Lake Resort. 0 Comment
  RSA252707  Bacopa monnieri J. T. Gordon 1974-11-16 775 Riverside forming small mounds in damp soil along Colorado River at Agnes Wilson Rd. 104 Comment
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Jun 12 2020
  JOTR34348  Bahiopsis parishii Andre, Jim 2012-4-11 20697 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
  CAS-BOT-BC99952  Baileya pauciradiata Lewis S. Rose 1935-12-22 35684 Riverside 2 mi. E. of Palm Springs 91 Comment
  CLARK-A1656-656  Baileya pauciradiata Lois Ann Scott 1978-2-3 Riverside Indio Hills 609 Comment
  RSA92874  Baileya pauciradiata F. W. Peirson 1926-2-22 6503 Riverside Thousand Palm Canyon, Coachella Valley 122 Comment
  JEPS22575  Baileya pleniradiata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6207 Riverside 20 mi n of Desert Center (along the Parker Dam Highway from Rice to Desert Center, also 3-4 mi e of the e base of the Coxcomb Mts., Colorado Desert); Colorado Desert, Parker Dam Highway 243 Comment
  UCR21998  Bebbia juncea Steve Boyd 1980-7-12 332 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SDSU6472  Bebbia juncea var. aspera H. Wedberg 1962-7-28 983 Riverside About 7 miles from Hemet on the road to Moutain Center, in wash opposite the 2000' sign. Comment
  UCR136189  Bebbia juncea var. aspera Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  CLARK-A1528-99  Beloperone californica unknown 1964-5-11 Riverside La Quinta Comment
  HSC78521  Bergia texana J. C. Roos 1952-5-28 5730 Riverside San Jacinto River bottomland, 1 mi. SE of Perris. 427 Comment
  RSA662539  Bergia texana J. C. Roos 1952-5-28 5730 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
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May 15 2016
  RSA653500  Bidens laevis A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23679 Riverside SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
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Apr 23 2011
  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
  CAS-BOT-BC13901  Boechera johnstonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside West slope of Mount San Jacinto. 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
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  SEINET4565888  Boerhavia coulteri Duncan S. Bell 2011-10-22 3004 -B Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  RSA778387  Boerhavia wrightii Amber Swanson 2011-10-9 648 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  SDSU13640  Bolboschoenus maritimus subsp. paludosus W. Miller 1972-8-24 Riverside Comment
  RSA526165  Bothriochloa barbinodis Steve Boyd, Timothy S. Ross 1990-5-11 4668 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CAS-BOT-BC145586  Bouteloua aristidoides J. Von Loh 1977-10-30 2589 Riverside Ford Dry Lake. Comment
  UCSB51403  Bouteloua aristidoides John C. Roos 1946-9-14 3026 Riverside collected in in the Inyon Flats, in the Santa Rosa Mountains Pinyon Flats 1219 Comment
  JEPS20782  Bouteloua aristidoides var. aristidoides Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13239 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising in mountains); Big Maria Mts. Comment
  RSA0042974  Bowlesia incana A. C. Sanders, Timothy W. Chumley 2013-3-29 40714 Riverside Alberhill, Lake St. near bridge over Temescal Wash between Temescal Canyon Rd. and I-15 Fwy 380 Comment
  POM16502  Boykinia rotundifolia H. Baer 1923-6-24 s.n. Riverside Lee Lake, Temescal Canyon. Comment
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Jul 14 2012
  UCR215512  Brassica geniculata Daphne K. Christopher, Hannah I. Stevens 2003-4-4 095 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR59915  Brassica kaber Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, University of California agricultural experimental farms, c. 1/2 mi south of Alessandro Blvd at NE corner of Cactus Avenus and Nason Street Comment
  UC55781  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  RSA482938  Brassica rapa N. C. Cooper 1949-3-15 3029 Riverside Palm Springs 122 Comment
  RSA505050  Brassica tournefortii A. C. Sanders, O. F. Clarke 1989-4-5 9034 Riverside Box Springs Mtns., on the E edge of Riverside. S-facing slope at the end of the dirt road in Two Trees Canyon. Comment
  RSA770682  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4684 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
  UCR130125  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR180361  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA0127781  Brassica tournefortii G. Rink 2013-3-17 11865 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  UC1281263  Brickellia atractyloides H. E. McMinn 1935-6-27 4064 Riverside Palms to Pines Highway Comment
  UC68943  Brickellia atractyloides H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs Colorado Desert 670 Comment
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Oct 9 2010
  RSA751015  Brickellia desertorum R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55478 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD90488  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Santa Rosa Plateau, Rancho California, Mesa de Colorado, grassy area east of large vernal marsh. 625 Comment
  RSA745531  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  CAS-BOT-BC486547  Brodiaea terrestris subsp. kernensis H. M. Hall 1901-6-1 2093 Riverside Meadows in the vicinity of Strawberry Valley, San Jacinto Mountains 1402 Comment
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  UCD34817  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside County, Riverside, jct. of Pennsylvania and Iowa aves.. Comment
  UCR137360  Bromus carinatus 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
  JOTR35183  Bromus catharticus var. catharticus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3279 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA775807  Bromus diandrus Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 887 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR158271  Bromus diandrus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29502 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR117651  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3970 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR169471  Bromus hordeaceus 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
  CAS-BOT-BC161813  Bromus rubens Miles Fellows 1982-3-16 s.n. Riverside At the base of the north facing hillside 30 yards west of the entrance to the University of California RIverside Botanic Garden. Comment
  UCR233067  Bromus rubens Edith B. Allen 2012-1-21 112- 03 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  UCR58480  Bromus tectorum Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  RSA0020666  Bromus tectorum N. C. Cooper 1944-5-20 1232 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 436 Comment
  JEPS49879  Caesalpinia virgata Eleonor Davisson 1967-4-11 Riverside between Mecca and Joshua Tree Nat'l Monument (Box Canyon); Box Canyon Comment
  JOTR31771  Caesalpinia virgata Andre, Jim, Tasha La Doux 2009-3-10 11238 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA605770  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  UC15305  Caesalpinia virgata S. B. Parish Apr 4 1896-Apr 13 1896 4114 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  UCR3468  Caesalpinia virgata Sally Bell 1964-3-26 s.n. Riverside Western Colorado Desert, off Dillon Road, c. 3 mi. NE of the town of Indio, c. 500 yards west of the road. -7 Comment
  RSA556439  Calandrinia ciliata Julie Greene 1993-4-17 1199 Riverside West of Davis Road. 433 Comment
  UCR102893  Calandrinia ciliata A. C. Sanders 1997-3-26 20101 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR16503  Calandrinia ciliata Joe Buriel 1966-3-18 s.n. Riverside Riverside, off Mockingbird Canyon Road, 1.5 mi south of Van Buren turnoff 457 Comment
  UCR118659  Callisia repens A. C. Sanders 2001-11-20 24886 Riverside San Bernardino Valley Region, Riverside, yard of house at 422 Campus View Dr. 341 Comment
  SD107764  Callitriche heterophylla var. bolanderi Robert F. Thorne 1974-5-23 44676 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream (mak 9/06) 609 Comment
  SBBG22940  Calochortus plummerae H. and M. Dearing 1940-6-9 4362 Riverside E of Hemet 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
  RSA561011  Calochortus splendens Steve Boyd, Timothy S. Ross 1992-5-4 7199 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  POM256722  Calochortus weedii var. intermedius W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
  UCR274303  Calochortus weedii var. weedii T. B. Salvato, Melissa Clemons 2005-6-6 1423 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  CAS-BOT-BC497282  Calochortus weedii var. weedii John Thomas Howell 1931-5-30 6586 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA180367  Calycadenia tenella E. W. Lathrop 1960-6-6 4837 Riverside 14 miles W. of Murrieta. Comment
  UC63097  Calycoseris parryi H. M. Hall 1901-5-1 1857 Riverside e base, along the borders of the Colorado Desert San Jacinto Mountains Comment
  POM307226  Calycoseris wrightii Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1995 Riverside 50 miles N of Blythe Comment
  SD167060  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  SD73616  Calyptridium monandrum Helen V. Witham 1970-4-29 834 Riverside 20 miles east of Lake Hemet. 1299 Comment
  UCR202234  Calyptridium monandrum 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
  RSA726762  Calystegia macrostegia Scott D. White 1991-5-10 91 -131 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA586129  Calystegia macrostegia subsp. arida D. L. Banks 1995-4-11 0172 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, E of the Dripping Springs Trail. 950 Comment
  UCR213495  Calystegia macrostegia subsp. arida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38408 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 491 Comment
  RSA394918  Calystegia macrostegia subsp. tenuifolia N. C. Cooper 1947-4-5 2037 Riverside Los Alamos Canyon, Elsinore. Comment
  POM307299  Calystegia occidentalis subsp. fulcrata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2153 Riverside Santa Rosa Mountains. Comment
  SBBG5746  Calystegia occidentalis subsp. fulcrata H. and M. Dearing 1940-6-9 4368 Riverside Palms to Pines Hwy near Herkey Crk Comment
  UCR273979  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 13 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  RSA465912  Camissonia bistorta Robert L. Rutherford 1652 Riverside Banning, Big Oaks Canyon 1220 Comment
  SEINET3093103 Image available Camissonia bistorta Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi S of intersection with Wilson Valley Road. (Sage 7.5' USGS quad). Comment
  UCR108840  Camissonia bistorta Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR116771  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23898 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR172246  Camissonia bistorta John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR98681  Camissonia bistorta 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
  JOTR32163  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2315 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA135156  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11486 Riverside Colorado Desert. A single plant in roadside fringe, Salt Creek wash, 2.6 miles N of Durmid, E side of Salton Sea. Comment
  RSA466165  Camissonia californica N. C. Cooper 1944-4-23 1106 Riverside Cabazon. 457 Comment
  UCR87646  Camissonia californica A. C. Sanders 1994-5-29 14550 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  CAS-BOT-BC154113  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  RSA448931  Camissonia claviformis subsp. aurantiaca P. A. Munz 1930-4-6 13708 Riverside 1000 Palms. Comment
  UCR196390  Camissonia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1424 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  RSA727870  Camissonia claviformis subsp. claviformis Naomi S. Fraga, Lisa Rojas 2005-2-10 1352 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR102925  Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2682 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  POM20021  Camissonia confusa Mary F. Spencer 1923-06 2202 Riverside Idyllwild, San Jacinto Mt. 2561 Comment
  RSA186613  Camissonia confusa Peter H. Raven 1962-4-28 17488 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  UCR44447  Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  POM306066  Camissonia hirtella Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1320 Riverside Santa Rosa Mountains. Comment
  RSA186678  Camissonia hirtella Peter H. Raven 1962-4-28 17487 Riverside Ortega Highway 1 mile above its east base, Santa Ana Mountains 488 Comment
  RSA702748  Camissonia hirtella Scott D. White, Michael Honer 2004-4-6 10040 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA449220  Camissonia pallida subsp. pallida H. de Forest 1933-4-16 17594 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  RSA25368  Camissonia refracta C. L. Hitchcock 1940-4-1 5898 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  HSC86987  Camissonia strigulosa David Charlton 1988-5-21 1966 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  POM302488  Camissonia strigulosa J. C. Roos 1943-8-8 2703 Riverside Dry flat, Hall Canyon, San Jacinto Mts. 1768 Comment
  UCR101797  Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 1997-3-5 1331 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  SD148111  Camissoniopsis bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley rd., 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) on decomposed granite slopes along a dirt road, generally N-facing slopes with sandy soil 438 Comment
  SDSU13992  Camissoniopsis ignota Michael G. Simpson, Adrienne Russell 2000-4-29 2073 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  RSA0039598  Camissoniopsis pallida subsp. pallida Deidre Conocchioli, Duncan S. Bell 2014-3-4 141 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA653195  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside Riverside: UCR campus. 365 Comment
  RSA0042251  Carex alma N. Miles Fellows, Andrew C. Sanders 1985-5-7 168 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village. 488 Comment
  UCR281827  Carex barbarae Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 106 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  JOTR32971  Carex douglasii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2722 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC72393  Carex fracta H. M. Hall Jul 1901 2459 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  POM14316  Carex multicostata Phillip A. Munz 1922-7-7 6052 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  UCR50155  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR7747  Carex senta Vicki Barnum 1968-5-17 s.n. Riverside San Jacinto Mountains, Mt. San Jacinto, Long Valley, within 0.5 mi of tram walkway 2622 Comment
  SD136989  Carex spissa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Wildhorse Canyon; from confluence with Los Alamos Canyon upstream approx. 1 mile; common in seepy ground understory of oak woodland on slope in side drainage just above first major waterfall. 410 Comment
  RSA364711  Carex subfusca M. B. Dunkle 1933-7-23 3759 Riverside San Jacinto Peak, San Jacinto Mountains. 3049 Comment
  UC72158  Carex subfusca Dr. H. E. Hasse Riverside San Jacinto Mts. Comment
  JEPS16162  Castilleja applegatei subsp. martinii Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4076 Riverside 1.1 mi s Keen Summit (along State Highway 74); San Jacinto Mountains 1524 Comment
  RSA507965  Castilleja applegatei subsp. martinii Steve D. Boyd, C. Boyd, R. Noyes, L. Arnseth 1988-5-28 2283 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR158255  Castilleja exserta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30108 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR281788  Castilleja exserta Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 101 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  UCR96872  Castilleja exserta Scott D. White 1993-3-12 1175 Riverside Near Winchester 466 Comment
  JEPS5399  Castilleja foliolosa John Ingram 1954-4-27 205 Riverside 10 mi e Morongo Valley road junction with U.S. Hwys 60, 70 and 99 Comment
  POM8715  Castilleja foliolosa P. A. Munz 1920-4-11 3813 Riverside Santa Ana River Canyon. 305 Comment
  RSA586138  Castilleja foliolosa D. L. Banks 1995-4-11 181 Riverside 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. 780 Comment
  RSA615324  Castilleja minor subsp. spiralis Scott D. White 1997-5-25 5223 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  RSA741184  Castilleja minor subsp. spiralis Scott D. White, Justin M. Wood 2008-6-16 12116 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR19744  Castilleja minor subsp. spiralis E. W. Lathrop 1966-6-1 6358 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Range, Los Alamos Road, 14 mi NW of Murrieta Comment
  UCR101331  Caucalis microcarpa A. C. Sanders 1997-4-10 20320 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA162742  Caulanthus cooperi J. D. Olmsted 1958-3-29 70 Riverside 3 miles N of Cottonwood Spring in Joshua Tree national Monument which is 8 miles from the southern entrance. 915 Comment
  JOTR35488  Caulanthus hallii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3176 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCR112578  Caulanthus heterophyllus D. E. Bramlet 1992-4-2 2203 Riverside San Bernardino Mtns., San Gorgonio River at the confluence with Hathaway Creek on the Morongo Indian Reservation; 15.2m north of Morongo Road and 2.2km northeast of the San Bernardino freeway (I-10). 701 Comment
  UCR17672  Caulanthus heterophyllus E. W. Lathrop 1971-3-24 7484 Riverside Santa Ana Mtns, Bedford Truck Trail of the Cleveland Nat'l Forest, Trabuco District 1220 Comment
  CAS-BOT-BC126757  Caulanthus lasiophyllus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA559936  Caulanthus lasiophyllus var. rigidus Steve Boyd 1992-4-18 6887 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UC64615  Caulanthus simulans H. M. Hall May 17, 1901-Jun 1, 1901 Riverside Coahuilla , summit Nigger Jim Hill 1524 Comment
  SDSU10275  Ceanothus cordulatus Frank Gander 1941-6-8 1106 Riverside Strawberry Creek, San Jacinto Mtns. 1524 Comment
  RSA575073  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -U Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575074  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -W Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA606767  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27352 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UC1018191  Ceanothus crassifolius J. Warren 1952-3-16 Riverside Ortega Hwy Mt. Lilac (by Lake Elsinore) 609 Comment
  UC1071027  Ceanothus crassifolius R. St. John 1930-3-16 106 Riverside Lakeview Mountains 609 Comment
  UC1594219  Ceanothus crassifolius Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3019 Riverside 1 mi w Vail Lake 609 Comment
  UCD111427  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 miles southeast of Temecula on Highway 71. Comment
  SEINET13945835 Image available Ceanothus cuneatus I. W. Clokey, E. G. Anderson 1935-1 6734 Riverside East of Hemet, Riverside County. 820 Comment
  SD229243  Ceanothus greggii var. perplexans Dick Schwenkmeyer 2012-8-6 767 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UC1070691  Ceanothus greggii var. perplexans A. E. Wieslander 1929-4-3 56 Riverside en route to Banning San Jacinto quad. 762 Comment
  CAS-BOT-BC51284  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore - S. Cal. Comment
  CLARK-A1528-3895  Ceanothus leucodermis John C. Roos 1952-4-23 5574 Riverside Highgrove Comment
  RSA25757  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside 1 6/10 mi.So.of Idylwild on road to Tahquitz Lodge 1524 Comment
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Sep 18 2011
  RSA399768  Ceanothus leucodermis H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  RSA701751  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA736543  Ceanothus leucodermis Scott D. White, Angelia Carey 2004-7-2 10590 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD42463  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts. 1.6 Mi S. Idylwild on Rd. to Tahquitz Lodge [= Keen Camp, says Andy Sanders] 1524 Comment
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Sep 18 2011
  UCR172762  Ceanothus leucodermis Abby Sirulnik 2000-5-7 37 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  SD137647  Ceanothus oliganthus var. orcuttii Darin L. Banks 1995-3-16 99 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope ofAgua Tibia Mtn., E of the Dripping Springs alcove, Arroyo Seco drainage. 548 Comment
  SD130891  Ceanothus ophiochilus Chris Frazier 1991-3-22 Riverside 1 mile west of Vail Lake Comment
  RSA0019595  Ceanothus palmeri Scott D. White, Justin M. Wood 2008-6-5 12059 Riverside San Jacinto Mountains: Hwy 243 near Poppet Flats 1305 Comment
  UC314551  Ceanothus palmeri Marcus E. Jones, A. M. 1926-6-20 Riverside 20 mi n Idyllwild; n of Idyllwild Comment
  SD136766  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 609 Comment
  CDA7301  Centaurea X pouzinii Gene Drake 1989-12-8 Riverside Corona. DeGroot Dairy, Archibald and Greenwine. 0 Comment
  RSA618393  Centaurea melitensis Darin L. Banks 1997-5-5 1970 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
  UCR94643  Centaurea melitensis Scott D. White 1996-5-27 4076 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  CSUSB829  Centaurium venustum William E. Wayburn 1973-5-26 Riverside 10.9 miles southwest of Murrieta on Tenaja Road. 548 Comment
  RSA263672  Centaurium venustum E. W. Lathrop 1968-6-2 6963 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
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Jun 6 2020
  RSA487201  Centaurium venustum James L. Reveal 1988-5-22 6861 Riverside Rainbow canyon 13 iles south of Pala Road in Wolf Valley, aout 25 miles north of rainbow along US Hwy 395. 518 Comment
  UC456205  Centaurium venustum I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 1219 Comment
  CSUSB295  Centranthus ruber Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected in Santa Ana Mountains along Highway 74, 7.94 miles from the Orange County line, Cleveland National Forest, in Riverside city, above west end Lake Elsinore. 3 meters from roadside in decomposing granite soil, northeast-facing slope, east ... Comment
  RSA689430  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -243 Riverside City of Lake Elsinore, vicinity of Campbell St. and Diamond Drive Comment
  UCR281273  Centromadia pungens subsp. laevis Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 49 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  HSC24846  Centrostegia thurberi James Henrickson 1971-5-29 5573 Riverside 15 mi. SW of Twentynine Palms, 2.5 mi. N of Salton View in Joshua Tree National Monument 1280 Comment
  JOTR33968  Centrostegia thurberi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2854 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  SD6128  Centrostegia thurberi 1917-5-1 Riverside Mojave Desert near Hesperia Comment
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Nov 20 2011
  CAS-BOT-BC135493  Cercocarpus betuloides var. betuloides James R. Shevock 1976-11-24 5384 Riverside Along Calif. Highway 74 near El Cariso Station - Santa Ana Mountains, Cleveland National Forest 670 Comment
  POM187418  Cercocarpus ledifolius L. Crutcher 1933-8-22 4 Riverside Red Tahquitz, San Jacinto Mountains. Comment
  SEINET7062960  Chaenactis artemisiifolia A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  CAS-BOT-BC276392  Chaenactis carphoclinia John H. Thomas 1957-3-30 6561 Riverside 8.1 miles E of Cactus City, about 20 miles E of Coachella, Colorado Desert 426 Comment
  CAS-BOT-BC276397  Chaenactis carphoclinia F. O. Ballow 1926-2-27 s.n. Riverside Painted Canyon Comment
  CDA7361  Chaenactis carphoclinia T. C. Fuller 1963-4-23 10277 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  OBI51900  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mts. Dillon rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 610 Comment
  POM351697  Chaenactis fremontii Ora M. Clark 1929-3-16 1694 Riverside South of Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA341992  Chaenactis fremontii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54054 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA504982  Chaenactis fremontii D. Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree Nat'l Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road 610 Comment
  SBBG7877  Chaenactis fremontii H. and M. Dearing 1937-4-10 2869 Riverside ca. 16 mi N of Indio Comment
  UCR132866  Chaenactis fremontii Kent Beaman 1983-4-2 02 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  RSA700020  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-25 9105 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
  SFV3811  Chaenactis glabriuscula P. G. Kilburn 1958-5-17 810 Riverside 3 miles south of Banning. 305 Comment
  UCR92182  Chaenactis glabriuscula D. L. Banks 1995-5-3 0191 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
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Jun 4 2012
  CAS-BOT-BC277402  Chaenactis glabriuscula var. glabriuscula Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC277407  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  SD173226  Chaenactis glabriuscula var. glabriuscula Juergen Schrenk 2006-5-7 52 Riverside Anza Borrego State Park, Pacific Crest Trail above Tule Spring. (IPB 4/07) Comment
  JEPS30566  Chaenactis glabriuscula var. lanosa Donald M. Kyhos 1957-6-18 57 -186 Riverside 11.5 mi s of Palms-to-Pines Highway (road to Aguanga); San Jacinto Mountains Comment
  HSC5297  Chaenactis macrantha C. L. Hitchcock 1966-3-16 24208 Riverside Along Palms to Pines Hwy., 4 mi. S of Palm Desert 610 Comment
  POM351836  Chaenactis stevioides var. stevioides L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA435979  Chamaesyce albomarginata N. C. Cooper 1948-5-13 2849 Riverside Devil's Garden. 244 Comment
  RSA797565  Chamaesyce micromera Marc Baker, Michelle Cloud-Hughes 2011-12-18 17502 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SBBG118575  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside near cynyn E of Painted Cyn Comment
  UC218620  Cheilanthes clevelandii S. B. Parish 1918-4-3 11690 Riverside mouth of San Jacinto River Canyon 914 Comment
  IRVC3129  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-27 SJ 5 Riverside Mountain Center; Hemet Highway [74]; slope ESE 20 degrees; slightly concave. Peninsular Ranges, San Jacinto Mountains 1448 Comment
  POM115608  Cheilanthes covillei A. M. Alexander, Louise Kellogg 1941-5-21 2211 Riverside Colorado Desert: north slope of Eagle Mountains 1280 Comment
  UCR163400  Cheilanthes covillei O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA523539  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3999 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA690939  Cheilanthes newberryi Scott D. White, Michael Honer 2003-5-27 9397 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak e2349.' 396 Comment
  UCR134657  Cheilanthes newberryi Mitch Provance 1998-4-10 409 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR17579  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 350 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon watershed 366 Comment
  CAS-BOT-BC70378  Cheilanthes viscida P. A. Munz 1941-10-1 17237 Riverside on Palms to Pines Highway, north base of Santa Rosa Mts. Comment
  SEINET8008429  Cheilanthes viscida W. F. Parish No determinado Riverside Agua Caliente, Agua Caliente,Riverside, California Comment
  UCR260808  Chenopodium Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  CSUSB1380  Chenopodium album Holzmiller 1966-3-29 Riverside Foothills of Mary Knoll 304 Comment
  UC1929842  Chenopodium album Scott D. White, Angelia Carey 2004-7-2 10555 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Poppet Creek Canyon. 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
  UCR114094  Chenopodium album A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  SD247397  Chenopodium berlandieri Andy Sanders 2013-7-7 40858 Riverside Peninsular Range; San Jacinto Mountains: southeast of Idyllwild on Saunders Meadow Road near the trash transfer station (dump), northeast of hairpin turn in road. 1609 Comment
  UCR120899  Chenopodium californicum A. C. Sanders, D. Malueg 2002-4-8 24911 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR230213  Chenopodium californicum A. C. Sanders 2011-4-6 38984 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
  UCD98200  Chenopodium glaucum var. salinum A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Hope Depot at Pigeon Pass Rd. on north side of Hwy 60. Comment
  UCR113596  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 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
  RSA342559  Chilopsis linearis R. F. Thorne, W. A. Tilforth 1980-5-28 54203 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
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Jun 25 2008
  JOTR32318  Chilopsis linearis subsp. arcuata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA33365  Chilopsis linearis subsp. arcuata N. Cooper 1943-9-26 925 Riverside Cabazon. 549 Comment
  RSA545216  Chilopsis linearis subsp. arcuata R. F. Thorne 1970-10 41877 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  CAS-BOT-BC451360  Chimaphila menziesii H. M. Hall 1897-6-16 s.n. Riverside San Jacinto Mts. Comment
  UC218020  Chimaphila umbellata P. A. Munz 1922-7-7 6055 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2133 Comment
  CAS-BOT-BC474741  Chloris truncata R. E. Riefner, Jr. 2015-10-24 15 -418 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  RSA736305  Chloris truncata Scott D. White, Justin M. Wood 2008-5-13 11952 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UC1100193  Chloris virgata Malcolm A. Nobs and S. Galen Smith 1948-9-3 490 Riverside 2 mi n Indio; Imperial Valley Comment
  RSA779808  Chorizanthe brevicornu Duncan S. Bell 2009-3-9 107 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  UCR148337  Chorizanthe brevicornu John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR167200  Chorizanthe brevicornu S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  VVC2473  Chorizanthe brevicornu Tim Thomas 2013-3-18 5944 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CAS-BOT-BC191714  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-4-6 6595 E Riverside Mojave Desert. About 2 miles N of Indian Cave, Joshua Tree National Monument. About 5 miles W and S of the town of Twentynine Palms 822 Comment
  UCSB22185  Chorizanthe brevicornu var. brevicornu Keefe, Joseph 1967-3-23 Riverside Rocky, southwest facing slope above 29 Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley. 777 Comment
  UC472756  Chorizanthe brevicornu var. brevicornu Mary F. Spencer 1918-3-25 Riverside Colorado Desert Comment
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Jun 12 2012
  UCR135827  Chorizanthe coriacea A. C. Sanders, Guy Bruyea 2004-4-2 27437 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  HSC66732  Chorizanthe corrugata D. L. Goforth, D. Reed 1980-3-25 356 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  POM128750  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside Painted Canyon. Comment
  RSA517910  Chorizanthe corrugata Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1315 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SBBG27953  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside near fork of Painted Cyn near Mecca Comment
  UCR21954  Chorizanthe parryi var. parryi Steve Boyd 1980-5-11 231 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR263224  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41468 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UCR266337  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-5-4 2337 Riverside Peninsular Range; Gavilan Hills area, south of Lake Mathews, SE of Black Rocks & NW of Monument Peak 474 Comment
  RSA360988  Chorizanthe polygonoides var. longispina Steve Boyd 1998-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs Cotuny Park. 609 Comment
  RSA593799  Chorizanthe polygonoides var. longispina Jeri Hirshberg 1995-5-19 273 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA612925  Chorizanthe polygonoides var. longispina D. L. Banks 1997-3-29 1651 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  UCR189790  Chorizanthe polygonoides var. longispina Theresa Johnson 2006-5-10 084 Riverside Peninsular Range, Alberhill, old clay mine area off Coal Road, north of Terra Cotta 488 Comment
  UCR218071  Chorizanthe polygonoides var. longispina Steve Boyd 2010-5-26 12281 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak along trail running from east flank of peak to easternmost clay knoll along ''old Main Divide Road' 1018 Comment
  RSA0102795  Chorizanthe spinosa Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8105 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  RSA0004914  Chorizanthe xanti var. leucotheca Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 305 Comment
  UCR127571  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-4-18 3378 Riverside Base of San Jacinto Mtns., on spoil pile, 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct 548 Comment
  UCR94948  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  POM48595  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
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Nov 19 2011
  SD127315  Chrysolepis sempervirens Reid Moran 1973-7-28 21107 Riverside Summit of Toro Peak 2500 Comment
  RSA732300  Chrysothamnus nauseosus M. D. Schwartz 2000-5-20 24 -2 Riverside San Jacinto Mts, jct of Two Pines Rd. and Rt 243 1200 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  POM295633  Chrysothamnus teretifolius Lyman Benson 1952-12-29 15089 Riverside Hidden Valley, Joshua Tree National Monument 1372 Comment
  CAS-BOT-BC100783  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin s.n. Riverside San Jacinto Mts. Comment
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  UC310587  Chylismia brevipes subsp. brevipes Philip A. Munz 1926-1-31 9950 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR245256  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21294 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UC1122151  Chylismia cardiophylla subsp. cardiophylla H. S. Yates 1937-3-23 6428 Riverside Painted Canyon Thermal Quadrangle Comment
  SBBG60504  Chylismia cardiophylla subsp. cardiophylla Anstruther Davidson 1893-1 Riverside Agua Caliente Springs Comment
  CAS-BOT-BC160611  Chylismia claviformis subsp. aurantiaca Ynez Whilton Winblad 1937-1-17 s.n. Riverside Box Canyon Comment
  RSA0123363  Chylismia claviformis subsp. aurantiaca Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9041 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
  SD215581  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan and M. Wall 1992-3-24 4618 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UCSB7336  Chylismia claviformis subsp. aurantiaca Hawkins, L. 1956-4-14 Riverside at entrance to white water canyon Comment
  UCR201884  Cirsium vulgare Justin M. Wood 2008-9-19 134 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  CAS-BOT-BC438669  Cistanthe ambigua S. B. Parish; W. F. Parish 1881-3-1 1188 Riverside Indio, Colorado Desert Comment
  UCR9216  Clarkia dudleyana D. H. Wilken 1965-6-29 316 Riverside San Jacinto Mtns, One mile north of Poppet Flat along County Route 1 1220 Comment
  RSA678282  Clarkia epilobioides Michael Wall 2003-4-26 305 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  UCR256755  Clarkia purpurea T. B. Salvato, Matthew Malle 2013-4-15 7544 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  POM122440  Clarkia purpurea subsp. quadrivulnera Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. 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
  UCR111985  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, T. B. Salvato 2000-5-25 23417 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SEINET10632450  Clarkia rhomboidea Joseph A. Ewan 1929-6-16 Ewan 3575 Riverside Moist sandy soil under pines. Alt. 5200 feet. Strawberry Valley. 1585 Comment
  RSA653073  Clarkia similis A. C. Sanders 1997-5-1 20608 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA802419  Claytonia parviflora Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5020 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  RSA523483  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3943 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  POM11521  Claytonia parviflora subsp. utahensis P. A. Munz 1922-6-30 5909 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR113538  Clematis pauciflora Mitch Provance 1998-6-6 689 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UC2016491  Collinsia Richard Olmstead 1986-6-8 802 Riverside Growing in small moist draw in chaparral along Hwy. 243, ca. 1.1 miles north of Mountain Center. Comment
  UCR1325  Collinsia childii Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana Mtns, 1/3 mi west of Tenaja Rd., 12.2 mi from junction with Washington Ave., Murrieta 732 Comment
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Jul 12 2007
  RSA0117454  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1261 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  UCR213443  Collinsia concolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37831 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR4111  Collinsia concolor Ronald M. Cope 1965-8-3 s.n. Riverside Riverside, canyon 0.5 mi east of a point on Canyon Crest Drive 1.5 mi south of Fire Prevention Laboratory 335 Comment
  RSA0117408  Collinsia concolor J. C. Roos 1952-4-13 5530 Riverside Box Springs Mts. 488 Comment
  RSA0117392  Collinsia parryi Steve D. Boyd, Orlando Mistretta 1992-4-23 7072 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCR266404  Colubrina californica D. E. Bramlet 2001-6-4 3168 Riverside Sonoran (Colorado) Desert, 0.5 mile south of Eagle Mountain Substation, trestle area on Eagle Mountain Rd. 366 Comment
  UCR113737  Convolvulus arvensis Mitch Provance 1998-6-6 622 A Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  UCR201951  Convolvulus arvensis Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR120851  Convolvulus simulans D. E. Bramlet 1993-4-14 2327 Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UCR22020  Conyza coulteri Steve Boyd 1980-9-12 350 Riverside Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau. Comment
  RSA0010997  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1631 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  UCSC000860  Cordylanthus rigidus subsp. setiger E. P. Unangst 2006-9-9 s.n. Riverside Hall Canyon, San Jacinto Mts. Comment
  UC1595708  Coreopsis bigelovii W. Wisura, A. King, and L. Newcomb 1992-4-10 4674 Riverside n of West Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  CAS-BOT-BC101300  Corethrogyne filaginifolia Peter H. Raven; R. Snow 1957-7-26 11082 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  UC485372  Corethrogyne filaginifolia F. M. Reed 1905-9-25 235 Riverside Arroyo Tequisquit [in Riverside] Comment
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Mar 10 2011
  SDSU12966  Corethrogyne filaginifolia var. filaginifolia Michael G. Simpson 1999-10-27 2034 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  RSA615554  Cornus glabrata A. C. Sanders, T. Tennant, A. Sanders 1997-11-14 21596 Riverside San Bernardino Mtns: Morongo Idian Reservation, W end of Burro Flats. 1159 Comment
  UCR104036  Cotula australis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1328 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR159764  Cotula australis Scott D. White 1999-5-2 7286 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  RSA523528  Crassula connata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  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
  UCR171913  Crassula connata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR18878  Cressa truxillensis John C. Roos 1952-5-21 5703 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1.5 mi. SE of Perris. 427 Comment
  UC128709  Crocanthemum aldersonii Charlotte M. Wilder May 1908 25 Riverside Wilders' Jurupa Hills Comment
  GMDRC4944  Crossosoma bigelovii J. Andre 2011-2-18 15824 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 Comment
  RSA85072  Crossosoma bigelovii F. W. Peirson 1935-2-22 11402 Riverside Side canyon opening at the foot of the road from Deep Canyon to Idyllwild, north base of the Santa Rosa Mtns. 366 Comment
  SBBG72294  Crossosoma bigelovii unknown 1895-1 Riverside Palm Springs Comment
  UCR97503  Crossosoma bigelovii John Wear, N. Moorhatch 1997-3-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Chino (Tramway) Canyon, both sides of road 500 Comment
  RSA788557  Croton californicus Duncan S. Bell 2012-3-8 3147 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SEINET9253085 Image available Croton californicus Unknown 1944-1 1546 Riverside Banning 701 Comment
  UCR167260  Croton californicus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  POM14988  Croton californicus var. mohavensis Mary F. Spencer 1922-3-29 246 Riverside Mecca -49 Comment
  UCR178571  Croton californicus var. mohavensis R. G. Swinney 1967-2-4 0011 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 305 Comment
  SEINET12141357  Croton californicus var. mohavensis I. W. Clokey 1935-1 6726 Riverside E of Mecca 200 Comment
  RSA544442  Crypsis vaginiflora Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6349 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  CAS-BOT-BC189261  Cryptantha C. Cowan 1978-4-25 1264 Riverside 0.4 mile off Highway 74 on Morris Ranch Road, 4.3 miles N on Highway 74 from its junction with Highway 371, San Bernardino NF, Whittaker transect #W 227 Comment
  CAS-BOT-BC389672  Cryptantha D. L. Castleberry 1964-2-2 s.n. Riverside Tahquitz Canyon Comment
  SEINET7909563  Cryptantha D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR234256  Cryptantha A. C. Sanders, T. B. Salvato 2012-4-27 40087 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  UCR273085  Cryptantha Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.1 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 561 Comment
  RSA14032  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-14 4875 Riverside Indian Wells 107 Comment
  UCR138577  Cryptantha angustifolia Steve Boyd, Orlando Mistretta 1986-3-13 1438 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) 366 Comment
  UCR166853  Cryptantha angustifolia 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
  UCR20836  Cryptantha angustifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1306 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA0047252  Cryptantha barbigera J. Mark Porter, Leigh A. Johnson 1997-3-10 11465 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  UC573091  Cryptantha barbigera Herbert L. Mason 1928-3-10 4228 Riverside Hidden Springs Canyon Coachella Mts. Comment
  GMDRC2039  Cryptantha barbigera var. fergusoniae J. Andre 2006-4-26 6745 Riverside Little San Bernardino Mountains: Joshua Tree National Park: about 0.5 mi. NNE. of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary. Near 34.07623 deg. N 116.44711 deg. W. Elev. 4332 ft. 1321 Comment
  SBBG6245  Cryptantha circumscissa C. H. Muller 1952-4-6 9511 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  RSA0079521  Cryptantha cycloptera Christopher Davidson 1979-4-4 7723 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR116606  Cryptantha decipiens A. C. Sanders 2001-4-8 23978 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR279492  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-25 43003 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  POM12960  Cryptantha intermedia P. A. Munz, I. M. Johnston 1922-5-18 5317 Riverside 3 miles south of Murrieta. Comment
  POM156467  Cryptantha intermedia L. R. Abrams 1903-4-6 3214 Riverside Cabazon Station Comment
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Mar 13 2011
  POM368270  Cryptantha intermedia M. B. Dunkle 1932-3-25 2875 Riverside Cabazon, Colorado Desert. Comment
  UC79456  Cryptantha intermedia C. R. Orcutt 1890-7-20 Riverside Hemet Valley Comment
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Mar 24 2011
  UCR162276  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR88308  Cryptantha intermedia A. C. Sanders, K. C. Rose 1995-4-5 16388 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA0026297  Cryptantha intermedia John F. Emmel 1991-4-28 1167 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  HSC66535  Cryptantha maritima Christopher Davidson 1979-4-4 7672 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  RSA0124819  Cryptantha maritima Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8751 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
  RSA480021  Cryptantha maritima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2144 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 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
  UC551812  Cryptantha micrantha F. R. Fosberg 1932-3-13 10625 Riverside Thousand Palms Canyon Comment
  RSA741225  Cryptantha micrantha var. lepida Scott D. White, Justin M. Wood 2008-5-15 11980 Riverside Johnson Meadow. 1415 Comment
  UCR111545  Cryptantha micrantha var. lepida Mitch Provance 1999-5-4 1693 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SD185169  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim 2005-5-7 30005 Riverside Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8.0 miles southeast of Temecula, south of Highway 79 at east end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 456 Comment
  RSA525672  Cryptantha microstachys Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4543 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Aug 22 2008
  SD240213  Cryptantha microstachys Lee Ripma, Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Ranch development project. On privately owned land. 550 Comment
  SEINET3004920  Cryptantha microstachys G. Rink 2010-10-3 10338 Riverside Plains east of the McCoy Mtns., north of Blythe 152 Comment
  UCR121319  Cryptantha microstachys A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25013 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UCSB41271  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  SDSU5401  Cryptantha muricata unknown 1941-6-9 1225 Riverside 1524 Comment
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Mar 15 2014
  UCR15893  Cryptantha racemosa George K. Helmkamp 1979-4-18 s.n. Riverside Little San Bernardino Mtns/Sonoran (Colorado) Desert, Berdoo Canyon, 3.5 mi north of Dillon Road 457 Comment
  UC1178529  Cryptantha simulans Peter Kamb 1948-7-11 1190 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR279564  Cryptantha utahensis A. C. Sanders, Jim Malusa 2017-3-29 43171 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCD107534  Cucurbita foetidissima T. B. Salvato; Kent Beaman 2005-5-16 792 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR178325  Cucurbita foetidissima Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 662 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Potrero Canyon 793 Comment
  UCR20830  Cucurbita foetidissima A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1297 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CLARK-A1528-427  Cucurbita palmata Charlotte Stocks 1964-8-15 Riverside La Quinta Comment
  RSA0048447  Cucurbita palmata A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mountains. 640 Comment
  RSA180434  Cuscuta californica E. W. Lathrop 1960-6-10 4991 Riverside Rocky meas slope of a grassland savanna plateau Comment
  CLARK-A1528-421  Cuscuta californica var. californica Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  RSA640955  Cuscuta ceanothi R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
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May 16 2016
  UCR229488  Cuscuta salina Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  POM222642  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA0097552  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18296 Riverside Chuckwalla Mountains, Corn Springs Wash, 3.3 km WNW of Corn Spring, 70 km west of Blythe. 579 Comment
  SEINET9037745 Image available Cylindropuntia bigelovii Marc A. Baker 2015-1 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2km north of its junction with Interstate 10, 13 km NW of central Palm Springs 353 Comment
  UCR22026  Cylindropuntia californica var. parkeri Steve Boyd 1980-5-11 222 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  JOTR35524  Cylindropuntia chuckwallensis Harding, Mitzi, M. Baker and M. Cloud-Hughes 2013-4-12 133 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Canyon, approx. 0.5 km southwest of Cottonwood Spring 966 Comment
  RSA0031297  Cylindropuntia chuckwallensis Mitzi Harding, Marc A. Baker, Michelle Cloud-Hughes 2013-4-11 134 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  JOTR35523  Cylindropuntia echinocarpa Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-12 131 Riverside Joshua Tree National Park. Eagle Mountains; foothills west of Eagle Mountain 1091 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
  UCR177851  Cylindropuntia prolifera John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  UCR208621  Cyperus difformis O. F. Clarke 2004-8-22 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the dog park [Carlson Park] and Mission Blvd. bridge, NW foot of Mt. Rubidoux 238 Comment
  HSC86936  Cyperus eragrostis S. J. Myers 1987-10-27 Riverside 3 mi. W of Temecula, NE portion of Santa Rosa plateau, 3/4 mi. E of Walker Basin Comment
  UCR23202  Cyperus eragrostis S. Gallagher 1981-6-1 24 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  UCR16051  Cyperus involucratus Becky Brooks 1973-5-26 s.n. Riverside Corona, N end of third irrigation pond c. 250 yards north of Ontario Ave & 100 yards east of Compton Ave Comment
  RSA500573  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3579 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR92398  Cyperus parishii F. M. Reed 1907-9-15 1936 Riverside Riverside, Santa Ana River at Chinatown ford 244 Comment
  CLARK-A1528-52  Dactylis glomerata Fred B. Essig 1967-5-18 Riverside Riverside Comment
  SEINET10486031  Dalea emoryi Billy Joe Cox 1975-10-10 Cox 4208 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 21 Comment
  UC501576  Dalea mollis Frank W. Peirson 1932-3-22 9811 Riverside 20 mi. n. Blythe (on the Needles Rd.) Comment
  CLARK-A1528-5674  Dalea mollissima John C. Roos 1937-4-24 764 Riverside Sheep Hole Mountains Comment
  RSA0107853  Dalea mollissima Duncan S. Bell, Amanda Turek 2009-3-30 163 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA336192  Dalea mollissima R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52043 Riverside Just E of Palm Desert. Comment
  CAS-BOT-BC283039  Dasyochloa pulchella H. S. Yates 1937-3-24 6454 Riverside Deep Canyon, Coachella Valley 457 Comment
  LA11686  Dasyochloa pulchella Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UCR281018  Dasyochloa pulchella Fred M. Roberts 2016-3-5 8004 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  CAS-BOT-BC402177  Datisca glomerata R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  RSA777778  Datura discolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 758 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA0022206  Datura meteloides D. W. Stevens 1966-5-21 950 Riverside 10 mi S. of Thomas Mt. turn off. Comment
  RSA562458  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-5-5 7231 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  UCR223967  Daucus pusillus A. C. Sanders 2011-3-23 38803 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  CAS-BOT-BC294109  Deinandra kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside San Timoteo Canyon Road, .8 mi. E of junction with Redlands Blvd. Comment
  SBBG35224  Deinandra kelloggii T. L. Secrest 1951-5-18 Riverside San Jacinto River bed Comment
  UC2030087  Deinandra mohavensis Scott D. White 2000-8-5 8100 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  RSA0020487  Delphinium parishii subsp. parishii H. de Forest 1933-4-16 s.n. Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  SD214619  Delphinium parishii subsp. parishii Edith A. Purer 1935-4-21 6469 Riverside Hillside, near Palm Springs, east side of San Jacinto Mountain Comment
  RSA12912  Delphinium parryi Carl B. Wolf 1935-4-7 6302 Riverside 2 mi. SW of Perris. 427 Comment
  RSA16371  Delphinium parryi Percy C. Everett 1935-6-17 7160 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  UCR158710  Delphinium parryi A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30007 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC121429  Delphinium parryi subsp. parryi H. M. Hall 1901-6-1 2013 Riverside Canyon of San Jacinto River 762 Comment
  SEINET3208886  Dendromecon rigida G. Goodwin 2012-6-14 3441 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR167976  Dendromecon rigida T. B. Salvato, John F. Green 2004-5-27 656 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR179211  Dendromecon rigida Mitch Provance, Tracy Tennant 1998-6-16 MOR- 385 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR24984  Deschampsia elongata A. C. Sanders 1980-8-21 1778 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  RSA697471  Descurainia pinnata Mary Edmunds 1932-3-26 s.n. Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  RSA317  Dicentra chrysantha J. T. Howell 1928-7-7 1034 Riverside Near Glen Ivy. 457 Comment
  UCR176891  Dicentra chrysantha Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR120160  Dichelostemma capitatum Mitch Provance 1998-3-5 193 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR127555  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2003-5-21 26797 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
  RSA367459  Dichelostemma capitatum subsp. capitatum Gale Sphon 1955-5-7 s.n. Riverside Horsethief Canyon, Santa Ana Mtns., Comment
  RSA367466  Dichelostemma capitatum subsp. capitatum Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  CAS-BOT-BC150929  Diplacus bigelovii var. bigelovii H. M. Hall 1905-5-1 6011 Riverside Cottonwood Springs 670 Comment
  CAS-BOT-BC150681  Diplacus longiflorus C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA0018429  Diplacus longiflorus var. longiflorus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR49400  Distichlis spicata Theo Glenn 1984-9-30 s.n. Riverside Sonoran (Colorado) Desert, N end of the Salton Sea, along a canal at the Whitewater River delta -67 Comment
  RSA681993  Ditaxis lanceolata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10488 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR119343  Ditaxis lanceolata B. G. Pitzer 2000-5-7 4136 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  CLARK-A1045-148  Ditaxis neomexicana George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  RSA0104609  Ditaxis neomexicana Duncan S. Bell, Evan Meyer 2014-10-29 7677 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA776300  Ditaxis neomexicana Duncan S. Bell, Amanda Turek 2010-4-10 824 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR264218  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-9-10 41865 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CLARK-A1528-2694  Ditaxis serrata John C. Roos 1946-11-30 3166 Riverside Chuckwalla Mountains Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  UCR50581  Dodecatheon clevelandii B. G. Pitzer, E. Misquez 1988-2-28 0623 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA530891  Draba saxosa Albert J. Perkins 1917-7-19 s.n. Riverside Summit San Jacinto Pk. 3293 Comment
  UC1922051  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside San Ana Mtns: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. Comment
  JEPS49886  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass 548 Comment
  RSA782526  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg.) of intersection of I-15 and Lake St. 526 Comment
  UCR251938  Dudleya lanceolata Harun Bektas 2011-4-26 12 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR252215  Dudleya lanceolata J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  CAS-BOT-BC109650  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  RSA397789  Dudleya saxosa subsp. aloides H. de Forest 1924-4-15 s.n. Riverside Whitewater Comment
  UCR14557  Dyssodia porophylloides A. C. Sanders 1974-5-12 0100 Riverside Santa Rosa Mtns., San Bernardino National Forest, Cactus Spring Trail between Pinyon Flats and Horsethief Creek 1159 Comment
  RSA0045575  Echidiocarya californica Keith E. Hoffmaster 1935-3-3 s.n. Riverside Near Santa Ana River, north of Arlington. Comment
  UCSB24787  Echinocereus engelmannii Head, W. 1966-5-15 Riverside Pinyon Flats Campground 1249 Comment
  SEINET5497495 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .4 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain 1420 Comment
  RSA0078225  Echinochloa colona Sarah J. De Groot, Amy Rouillard 2015-9-15 7563 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  POM365267  Echinochloa crus-galli S. B. Parish 1913-9-20 8616 Riverside Mecca. Salton Sink. 58 Comment
  SEINET3911876  Eleocharis geniculata A. C. Sanders, P. J. MacKay; Donald L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea.; 0 67 Comment
  UCR207677  Eleocharis geniculata G. R. Ballmer 2005-12-3 s.n. Riverside Transverse Range; San Bernardino Mtns., Whitewater River Canyon 610 Comment
  SBBG92180  Eleocharis montevidensis J. Hirshberg 1989-4-18 Riverside S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta 609 Comment
  SD90468  Eleocharis montevidensis Robert F. Thorne, E. Lathrop 1969-6-6 39345 Riverside Santa Rosa Plateau, Rancho California, shallow water of small stream. 609 Comment
  UCR58486  Eleocharis montevidensis Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  POM10225  Eleocharis palustris F. M. Reed 1907-6-9 1400 Riverside Cienega near Spring Brook [Pump?] House, above Fairmont Park. Comment
  RSA271870  Eleocharis palustris C. W. Tilforth, Walter Wisura 1978-7-25 1648 Riverside Stream parallel to Murrieta - De Luz Road, 1.9 mile west of Murrieta. Comment
  CAS-BOT-BC113299  Eleocharis parishii Samuel B. Parish 1907-4-22 6145 Riverside Western border of the Colorado desert, Palm Canyon. 200 Comment
  UC146053  Eleocharis quinqueflora Charlotte M. Wilder 1909-7-12 928 Riverside Round Valley San Jacinto Mountains 2743 Comment
  UCR271688  Eleusine indica Mitch Provance 2011-7-4 17181 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  SD137954  Elymus condensatus Darin L. Banks 1995-10-17 786 Riverside Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground, on broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SD71848  Elymus condensatus Helen V. Witham 1969-7-2 193 Riverside dry flat, on De Luz Creek 7 miles south of Murietta on road to De Luz 299 Comment
  RSA500549  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3623 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  HSC101780  Elymus hispidus J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13203 Riverside 1470 Comment
  UCR2102  Elymus trachycaulus F. M. Reed 1908-7-14 2471 Riverside San Jacinto Mtns., canyon on road to Strawberry Valley [Old Control Rd. from Oak Cliff, vicinity of Halfway Spring] 1220 Comment
  CAS-BOT-BC204251  Elymus trachycaulus subsp. subsecundus H. M. Hall 1901-7-1 2555 Riverside San Jacinto Mountains. Fuller's, Mills Mountains 2133 Comment
  RSA618394  Emmenanthe penduliflora D. L. Banks 1997-5-5 1969 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA765232  Emmenanthe penduliflora L. M. Prince, Duncan S. Bell 2009-6-17 568 Riverside Cleveland National Forest Comment
  UCR22481  Emmenanthe penduliflora C. S. Jones 1979-3-27 23 Riverside Sonoran (Colorado) Desert, SE facing canyon about 0.5 mi north of unnamed dirt road c. 5 mi north of I-10, 4 mi west of Desert Center 442 Comment
  UCR279563  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43167 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash just above confluence with Salt Creek 338 Comment
  UCR2854  Emmenanthe penduliflora J. Texera 1970-3-27 4 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  UCR900  Emmenanthe penduliflora Grace Sprague 1968-5-3 s.n. Riverside San Jacinto Mountains, Banning-Idyllwild Road 5.6 mi below Twin Pines turn-off 854 Comment
  POM262947  Encelia actoni J. C. Roos 1941-5-10 s.n. Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  RSA33587  Encelia actoni Norman C. Cooper 1944-5-21 1226 Riverside Hemet. 549 Comment
  UCR42325  Encelia actoni N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 193 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR274545  Encelia californica Mitch Provance, Ken Halama 2003-6-15 17061 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR2918  Encelia californica Nancy Atha 1963-2-23 23263- 2 Riverside N side of [Quarry] hill at corner of Madison Street & Victoria Avenue, Riverside 244 Comment
  CAS-BOT-BC131314  Encelia farinosa B. Pitzer 1997-3-23 2997 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA790974  Encelia farinosa Aaron C. Sedgwick, David Fraker 2012-4-24 8 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  SD173220  Encelia farinosa Melvin M. Sweet 2005-4-14 126 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  UC1930006  Encelia farinosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10494 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
  UCR114652  Encelia farinosa B. G. Pitzer 1998-1-25 3411 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR251901  Encelia farinosa Jim Andre 2013-3-27 24825 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  UC1979833  Encelia frutescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 981 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  UCR279394  Encelia frutescens A. C. Sanders, Jim Malusa 2017-3-25 43010 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR59860  Encelia frutescens J. M. Stewart 1989-11-20 635 Riverside Western Colorado Desert, Coachella Valley, south side of Edom Hill, north of Cathedral City. Comment
  UCR89581  Encelia frutescens George K. Helmkamp 1994-3-10 42 9 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
  CAS-BOT-BC81544  Ephedra californica S. B. Parish; W. F. Parish 1882-4-1 653 Riverside Borders of the Colorado Desert, [Whitewater] White Water Comment
  HSC1323  Ephedra californica C. E. Fellows 1965-4-15 54 Riverside 5 mi. N of Palm Springs city limits on Hwy. 111, 1.5 mi. W on Snow Creek Rd. Comment
  RSA383880  Ephedra californica P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Foot of canyon side. Comment
  RSA777283  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4739 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
  SEINET10389795  Ephedra californica A. C. Sanders, Jim Malusa 2015-3-9 41358 Riverside 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
  SEINET10834110  Ephedra californica David B. Dunn 1946-2-22 Dunn 1953 -A Riverside Collected on N side of Whitewater Canyon in Colorado Desert. Comment
  UCR137682  Ephedra nevadensis A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al. 1995-5-5 15986 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Manirobra Valley, 1.6-3 mi south of frontage road (old 60) along I-10, S to edge of BLM wilderness 187 Comment
  SDSU3654  Ephedra viridis J. Godsil 1952-4-30 154 Riverside Palms-to-Pines Highway, on desert side 853 Comment
  CAS-BOT-BC171726  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  POM200880  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well, Little San Bernardino Mts. 1220 Comment
  POM262500  Epilobium canum subsp. latifolium R. Cooper 1941-11-11 s.n. Riverside Chino Canyon, San Jacinto Mountains. Comment
  RSA674524  Epilobium canum subsp. latifolium Scott D. White 2000-11-15 8147 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  UCR129331  Epilobium canum subsp. latifolium C. B. Wolf 1932-10-12 04299 Riverside Sonoran (Colorado) Desert, Pinyon Well, Little San Bernardino Mtns. 1220 Comment
  UCR199701  Epilobium ciliatum Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10672 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA711038  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., ca 0.5 mi. N of Tenaja Rd. 671 Comment
  SD28118  Epilobium glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  POM320596  Epipactis gigantea Lynne Hayden 1970-3-24 63 Riverside Palm Springs, Andreas Canyon, Salton Sea Drainage Area, San Jacinto Mountains. 91 Comment
  UCR128305  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  IRVC14074  Equisetum laevigatum B. T. Gittins 1966-5-1 1251 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  UCR170120  Equisetum laevigatum Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 118 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  SEINET1906700  Eragrostis barrelieri A. C. Sanders, G. K. Helmkamp 1996-1 17978 Riverside Coachella Valley: palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCD62922  Eragrostis barrelieri Beecher Crampton 1964-6-19 7012 Riverside UC - Riverside experimental grounds; plant introduction nursery. Comment
  POM267974  Eragrostis cilianensis E. Johnson 1943-10-29 29 Riverside Coachella. Comment
  RSA129655  Eragrostis minor H. S. Yates 1937-6-28 21089 Riverside Palm Springs. 137 Comment
  POM267973  Eragrostis pectinacea E. Johnson 1943-10-29 s.n. Riverside Coachella. Comment
  UCR65287  Eremalche exilis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3883 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
  UCR148313  Eremalche rotundifolia John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  RSA421558  Eremocarpus setiger M. M. Thompson 1947-6-9 C- 2065 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC160062  Eremothera boothii subsp. condensata Edmund C. Jaeger 1939-3-30 s.n. Riverside Desert Center 243 Comment
  CAS-BOT-BC160067  Eremothera boothii subsp. condensata Marcus E. Jones 1927-4-1 s.n. Riverside Keys Ranch, near Morongo Valley Comment
  UCSB4377  Eremothera boothii subsp. condensata Krogen, Roger 1957-1 Riverside Under bridge 26 mi. E of Indio on HYW 60-70 Comment
  UC127707  Eremothera refracta H. M. Hall 1905-4-21 5840 Riverside near Salton; Colorado Desert Comment
  JEPS122473  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  RSA0060485  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside Along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest. 1499 Comment
  UCR126199  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  RSA0105508  Eriastrum densifolium subsp. densifolium N. C. Cooper 1949-6-29 4297 Riverside Palms to Pines Highway [SR 74] 1067 Comment
  RSA0119713  Eriastrum diffusum subsp. coachellae Verne Grant, Alva Grant 1950-4-9 8836 Riverside Canyon in pass betw. Whitewater and Morongo Valley, 0.4 miles S. of San Bernardino County line. Comment
  JEPS69035  Eriastrum eremicum subsp. eremicum W. L. Jepson 1914-5-24 6063 Riverside Palm Springs of Mt. San Jacinto Colorado Desert 121 Comment
  UCR120305  Eriastrum filifolium Mitch Provance 1997-5-18 1089 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.4 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line 351 Comment
  UCD169642  Eriastrum harwoodii Dave Silverman; Fred Sproul, Tammy Beyerl, Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, W of Blythe, 1.3 m S of gas line frontage, 1.9 km S of I-10 and 8.5 km west of Nicholl's Warm Spring. 141 Comment
  UC52480  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside San Jacinto Mountains 1584 Comment
  RSA0122957  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA0121254  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  RSA0121586  Eriastrum sapphirinum subsp. dasyanthum Marcy Keys 1981-5-16 63 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  LA202466  Ericameria linearifolia Martha Hilend Kinsey; 1935-3-31 sn Riverside Mission Canyon Comment
  UC496517  Ericameria nauseosa var. oreophila Philip A. Munz 1932-10-16 12842 Riverside near Palm Creek; Santa Rosa Mts. 1463 Comment
  UCR266378  Ericameria palmeri var. pachylepis D. E. Bramlet, Bill Wagner 2009-10-19 4404 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  UCSB37801  Ericameria paniculata Roos, John 1965-11-6 Riverside Whitewater 304 Comment
  SD137893  Ericameria pinifolia Darin L. Banks, Steve Boyd 1995-10-17 788 Riverside Agua Tibia Mountains, Northwest Palomar Mountain, Cleveland National Forest, Along lower Arroyo Seco, south of the Dripping Springs Campground 515 Comment
  UCR202017  Ericameria pinifolia Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UC699656  Ericameria teretifolia Kay H. Beach 1942-10-23 1696 Riverside at a point about .5 mi n National Forest Boundary (.75 mi nw of highway, steep bank below Dos Palmas Spring); Dos Palmas Spring Comment
  SEINET5727171 Image available Ericameria teretifolia Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7093 Riverside Joshua Tree National Park; ca. 1.7 mi SE of jct. of the road to Cottonwood Headquarters and the road to the town of Joshua Tree; near the White Tank campground.; Joshua Tree National Park Comment
  RSA679071  Erigeron breweri var. jacinteus Michael Denslow, Firoozeh Navid-Ara, Valerie L. Sosa 2003-7-15 1450 Riverside Tahquitz Peak, on saddle east of summit 2637 Comment
  CAS-BOT-BC296235  Erigeron foliosus var. foliosus P. C. Everett 1935-6-17 7158 Riverside Coldwater Canyon trail to Santiago Pk. 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  CAS-BOT-BC296242  Erigeron foliosus var. foliosus Mary F. Spencer 1919-6-19 1201 Riverside San Jacinto Mts. 1615 Comment
  CAS-BOT-BC296247  Erigeron foliosus var. foliosus Peter H. Raven; R. Snow 1957-7-26 11083 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  POM48945  Erigeron foliosus var. stenophyllus P. A. Munz, I. M. Johnston 1924-7-26 8722 Riverside Saw Mill on Banning-Idyllwild Rd. 1707 Comment
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May 30 2011
  RSA180332  Erigeron foliosus var. stenophyllus E. W. Lathrop 1965-5-23 5767 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  CLARK-A1528-4616  Eriochloa aristata John C. Roos 1937-8-20 477 Riverside Blythe Comment
  RSA601086  Eriodictyon trichocalyx A. C. Sanders, J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  JOTR35452  Eriogonum angulosum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 56 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UC6237  Eriogonum apiculatum H. M. Hall 1897-8-13 849 Riverside from type locality, San Jacinto Mt. San Jacinto Mt. 1828 Comment
  UCR150055  Eriogonum apiculatum L. C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains, divide between West Fork Snow Creek and North Fork San Jacinto River 2378 Comment
  UCR251985  Eriogonum apiculatum A. C. Sanders, T. B. Salvato 2014-7-2 41168 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR268302  Eriogonum davidsonii Jim Andre 2012-6-15 30517 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  POM8641  Eriogonum deflexum var. deflexum P. A. Munz, R. D. Harwood 1920-4-8 3570 Riverside Ford's Well west of Blythe. Comment
  POM184161  Eriogonum elongatum M. French Gilman 1932-11-30 9 Riverside Cabazon. Comment
  RSA443545  Eriogonum elongatum J. C. Roos 1965-9-14 s.n. Riverside Hills south of Beaumont. Comment
  LA206806  Eriogonum fasciculatum Norman C. Cooper; 1944-7-15 1572 Riverside Banning 701 Comment
  SEINET6418437  Eriogonum fasciculatum var. flavoviride C. Francis Shutts 1949-3-28 104 Riverside Palms to Pines Highway State 74, south of Palm Springs 747 Comment
  OBI11104  Eriogonum fasciculatum var. foliolosum Tracey & Viola Call, Viola Call 1962-4-13 2131 Riverside Tin Mine Cyn near Corona Comment
  RSA239205  Eriogonum fasciculatum var. foliolosum James L. Reveal, Caroline G. Reveal 1972-8-6 2842 a Riverside Along California Highway 71 north of the junction of Highway 74 at Elsinore, 2 miles north of Elsinore. Comment
  SEINET3087509 Image available Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-6-9 C 2073 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCSB50075  Eriogonum fasciculatum var. foliolosum Millett, B. 1980-5-17 Riverside On Teneja Road, 10 miles west of its junction with Clinton-Keith Road 365 Comment
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  SBBG35023  Eriogonum fasciculatum var. polifolium T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  SEINET3087525 Image available Eriogonum gracile H. S. Gentry 1954-7-26 14256 Riverside Dripping Spring along route 79 Comment
  RSA0098176  Eriogonum gracile var. gracile Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8566 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA11586  Eriogonum gracile var. gracile C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Little San Bernardino Mountains: Near Morongo Pass Comment
  UCR35097  Eriogonum gracile var. gracile J. Rohland 1974-7-20 532 Riverside San Jacinto Mountains, upper slopes and canyons of Indian Creek 915 Comment
  RSA735613  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -b Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  UCR102436  Eriogonum gracile var. incultum G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  UCSB1444  Eriogonum inflatum Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles N of U. S. 99; Western edge of Colorado Desert Comment
  UCR1052  Eriogonum inflatum var. deflatum Christine Dorn 1971-4-15 s.n. Riverside Sonoran (Colorado) Desert, 5 miles east of Desert Hot Springs 396 Comment
  JEPS56846  Eriogonum inflatum var. inflatum W. L. Jepson 1914-5-18 5987 Riverside n Indio; Pinyon Well 762 Comment
  RSA393575  Eriogonum inflatum var. inflatum L. E. Hoffman 1932-7-27 s.n. Riverside Beaumont-Banning Pass. Comment
  JOTR35297  Eriogonum maculatum Andre, Jim 2012-4-11 20794 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  POM115631  Eriogonum maculatum Louise Kellogg, Annie M. Alexander 1941-5-15 2177 Riverside north base of Eagle Mountains. 915 Comment
  UC2062983  Eriogonum maculatum Anna Kostikova with Glen Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Santa Rosa Mountains, outcrop of carbonated rocks (limestones): Belvedere Road, turn from Highway 74 uphill towards white rocks. Comment
  UC667267  Eriogonum maculatum Annie M. Alexander and Louise Kellogg 1941-5-15 2177 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  RSA698443  Eriogonum plumatella J. R. Bruff 1929-11-29 432 Riverside Split Rock.- Colo Desert. Comment
  CAS-BOT-BC268553  Eriogonum saxatile Annie M. Alexander; Louise Kellogg 1941-4-23 2057 Riverside Morongo Valley Gorge 701 Comment
  UC6442  Eriogonum saxatile H. M. Hall 1901-7-1 2324 Riverside near Tauquitz; San Jacinto Mountains 2590 Comment
  CLARK-A1528-746  Eriogonum thomasii Charlotte Stocks 1963-3-21 Riverside Coachella Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  UC1329832  Eriogonum thomasii James E. Cole 1941-4-13 579 Riverside 0.5 mi n Meek's Cabin (Pinto Pass); Joshua Tree National Monument, Pinto Pass Comment
  UC912797  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 mi w Shaver's Well Comment
  UCD101274  Eriogonum thomasii N. D. Atwood 1970-4-3 2371 Riverside 37 miles north of Blythe on Hwy 95. Comment
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Jul 14 2012
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR87119  Eriogonum thomasii A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-3-12 16034 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UCSB1538  Eriogonum thomasii Haller, John 1960-4-2 Riverside north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  CAS-BOT-BC262868  Eriogonum thurberi James L. Reveal; C. Rose Broome 1987-6-27 6600 Riverside San Gorgonio Pass, along Esperanza Avenue at Almond Street south of Cabazon above the northern bank of the San Gorgonio River 541 Comment
  UC6569  Eriogonum thurberi W. G. Wright 1889-1 1765 Riverside Colorado Desert Comment
  CAS-BOT-BC268189  Eriogonum umbellatum var. munzii Frank W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  CAS-BOT-BC264925  Eriogonum wrightii var. membranaceum Lester Rowntree 1929-11-13 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC264933  Eriogonum wrightii var. membranaceum F. H. Billings 1932-10-15 2 Riverside Morongo Valley near Redlands Comment
  UCR24325  Eriogonum wrightii var. nodosum John C. Roos 1943-10-16 2741 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  POM184047  Eriophyllum ambiguum var. paleaceum P. A. Munz 1932-3-14 12000 Riverside Palm Springs. 91 Comment
  RSA0121598  Eriophyllum ambiguum var. paleaceum Duncan S. Bell, LeRoy Gross 2016-3-29 9104 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  RSA342566  Eriophyllum confertiflorum R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54073 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA357968  Eriophyllum confertiflorum E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  RSA160884  Eriophyllum multicaule Peter H. Raven 1962-3-19 16916 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  JEPS5371  Eriophyllum wallacei Carl V. Meyer 1929-6-13 758 Riverside along the grade from the San Jacinto River Canyon to Idyllwild (lower slopes of the mountains); San Jacinto Mountains, Chalk Hill 1463 Comment
  POM308430  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3069 Riverside Santa Rosa Mts. Comment
  POM358164  Eriophyllum wallacei Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA771119  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4922 -a Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SDSU4118  Eriophyllum wallacei H. Wedberg 1962-4-20 896 Riverside 8.4 miles from hwy 79 in Hemet, and 0.5 mile from Cranston Ranger Station, on road to Idyllwild. 610 Comment
  RSA528105  Erodium botrys Steve Myers 1991-4-15 91 -4 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA747917  Erodium botrys Justin M. Wood 2009-3-3 326 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  RSA594048  Erodium botrys D. L. Banks, Elizabeth Hedge Banks 1996-5-2 920 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
  UCR199916  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  RSA774513  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4466 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
  UCR180591  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  HSC8508  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside 30 mi. N of Ogilby, along road to Blythe Comment
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Mar 2 2013
  JOTR31210  Erodium texanum Cipra, Jane, Jane Cipra 2009-4-27 sn Riverside Joshua Tree National Park. Pinto Basin; Near turkey flat 594 Comment
  SD181489  Erodium texanum Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1093 Riverside Transverse Ranges, Little San Bernardino Mountains region, mouth of West Wide Canyon, west side of Channel Run; Seven Palms Valley [quad]. Comment
  JOTR01035  Erysimum capitatum var. capitatum Cole, James E. 1941-11-7 856 Riverside Joshua Tree National Park. STUBBY SPRING AREA 1402 Comment
  RSA0020066  Erythranthe guttata H. K. Wagnon 1944-3-12 340 Riverside west fork of Eagle Canon stream, between Palm Springs and Cathedral City. Comment
  RSA525411  Eschscholzia californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4519 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR115942  Eschscholzia californica Mitch Provance 1998-6-11 675 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR84605  Eschscholzia californica Scott D. White, S. Ogg 1994-4-21 1955 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  HSC28464  Eschscholzia glyptosperma Richard Spjut 1973-4-6 3271 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  CAS-BOT-BC83132  Eschscholzia minutiflora Cecil Hart 1926-2-1 s.n. Riverside Palm Springs. Comment
  HSC49187  Eschscholzia minutiflora D. L. Goforth 1979-4-11 114 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA663887  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  RSA717445  Eschscholzia minutiflora Scott D. White, Pam De Vries 2006-3-14 11257 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  SBBG81646  Eschscholzia minutiflora S. A. Junak 1983-3-23 1640 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC68549  Eschscholzia minutiflora H. M. Hall Apr. 1905 5901 Riverside Chuckawalla Springs Colorado Desert Comment
  CAS-BOT-BC419611  Eschscholzia parishii Alice Eastwood 1913-4-30 3080 Riverside Palm Canon [Canyon], Palm Springs Comment
  RSA0022916  Eschscholzia parishii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  UCR120586  Eschscholzia parishii Steven R. Hill 2001-4-29 33529 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
  UCR51967  Eschscholzia parishii Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA0022920  Eschscholzia parishii F. W. Peirson 1921-4-13 5324 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  UCR112493  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  OBI38361  Eucalyptus rudis Alden Kelly 1986-3-17 s.n. Riverside Edgemont area of Moreno Vallye, from planting along W side of hwy 215 at Eucalyptus Ave, row runs ca 1 mi along 215 457 Comment
  UCR156080  Eucrypta chrysanthemifolia T. B. Salvato, Kent Beaman 2005-5-16 822 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
  UCR259204  Eucrypta chrysanthemifolia Mitch Provance 2012-3-30 312- 03 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  RSA681994  Eucrypta chrysanthemifolia var. bipinnatifida Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10487 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC880718  Eucrypta chrysanthemifolia var. chrysanthemifolia P. A. Munz 1922-4-29 5081 Riverside w of Lake Elsinore (e slope of Elsinore Mts); Elsinore Mts. 487 Comment
  SD239815  Eugenia uniflora A. C. Sanders, T. B. Salvato 2012-2-8 39961 Riverside Peninsular Range: Riverside, south side of UCR campus at old C.E.S. Director's garden, S of South Campus Dr., near College Building North (Riverside East 7.5'Q) 353 Comment
  CAS-BOT-BC202782  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 s.n. Riverside Dark Canyon, San Jacinto Mts. 1920 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
  UCR171914  Euphorbia albomarginata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR89245  Euphorbia albomarginata Scott D. White 1995-9-22 3683 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCSB31747  Euphorbia lurida Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UC17652  Euphorbia palmeri H. M. Hall Jul 1901 2520 Riverside s side San Jacinto Mountains 1584 Comment
  UCD142735  Euphorbia polycarpa A. C. Sanders 1994-1-30 14224 Riverside Box Springs Mountains, E-facing open slope at the head of Big Springs Canyon. SE of peak 2602. 762 Comment
  UCR113197  Euphorbia polycarpa A. C. Sanders 1998-3-11 21670 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR116398  Euphorbia revoluta J. Zabriskie 1976-10-15 944 Riverside Santa Rosa Mtns / Colorado Desert, Deep Canyon Desert Research Area, downslope to Deep Canyon from Bighorn Overlook, along Hwy 74. 1098 Comment
  CAS-BOT-BC499162  Euphorbia setiloba A. C. Sanders; Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Road, c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  SD143859  Eustoma exaltatum A. C. Sanders, C. L. Sanders, S. White 1994-10-9 15811 Riverside San Bernardino Mountains:Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell, in wet soil near spring 550 Comment
  POM14266  Fagonia laevis Philip A. Munz, D. D. Keck 1922-4-9 4790 Riverside Vicinity of Corn Springs, Chuckwalla Mountain, Colorado Desert. 457 Comment
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Apr 5 2011
  RSA11580  Fagonia laevis N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  UCR89547  Fagonia laevis George K. Helmkamp 1994-3-10 43- 3 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
  UCSB22662  Fagonia laevis Shaw, M. 1964-4-5 Riverside Wash along State Highway 195, 2.8 miles west of junction with cut off road to U.S. Highway 70. 457 Comment
  CAS-BOT-BC56786  Ferocactus cylindraceus Geo. Lindsay 1954-4-1 2059 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR20552  Festuca microstachys W. W. Mayhew 1977-6-11 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 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
  UCR59666  Festuca myuros Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2920 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR167060  Festuca octoflora Scott D. White 2005-3-29 10835 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
  UCR213262  Festuca octoflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37453 B Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  CLARK-A1528-4668  Festuca pacifica John C. Roos 1952-4-9 5481 Riverside Riverside 259 Comment
  RSA316416  Filago californica R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55398 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA387339  Filago californica Steve Boyd 1986-4-22 1732 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR177826  Filago californica S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  RSA343868  Filago gallica R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60660 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  UC218026  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-7 5256 Riverside Keyes Ranch; Little San Bernardino Mts. 1219 Comment
  CAS-BOT-BC384199  Forestiera pubescens subsp. parvifolia E. K. Balls 1955-7-19 20974 Riverside Hwy. 74, 17 mi. se. of Mountain Center on road to Palm Springs 1371 Comment
  UCR260831  Fouquieria splendens A. C. Sanders, Jim Malusa 2015-3-10 41388 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, between Bradshaw Trail and Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 576 Comment
  HSC86126  Fragaria vesca Jane Hildreth 1981-6-4 17 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  SD197786  Frankenia salina Karin Cleary-Rose, G. Nhun 1995-7-20 Riverside West edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Avenue, at south end of Hyatt Avenue, west of the San Diego Aqueduct 456 Comment
  CAS-BOT-BC217648  Fraxinus dipetala A. C. Sanders; Mark Elvin; Vipul Joshi 2002-4-26 25032 Riverside West fork of Laborde Canyon near old rocket test facility, The Badlands 621 Comment
  POM13788  Fraxinus dipetala P. A. Munz, I. M. Johnston 1922-5-5 5149 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR259203  Fraxinus velutina Mitch Provance 2012-3-30 312- 02 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  RSA458581  Funastrum cynanchoides var. hartwegii A. Menke 1955-5-22 s.n. Riverside Chino Canyon, Palm Springs, Riverside county. Comment
  CAS-BOT-BC177362  Funastrum hirtellum Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11246 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial county line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at... Comment
  RSA751513  Funastrum hirtellum J. Andre, T. La Doux 2008-9-13 10263 Riverside Cuckwalla Valley: Along Hwy 177 (NW side), SE end of Coxcomb Mts. E boundary of Joshua Tree National Park 161 Comment
  SBBG114129  Funastrum hirtellum E. Collins 1995-4-9 95 -025 Riverside Corn Springs Cmpgrd 518 Comment
  UCR35176  Galium andrewsii L. B. Ziegler 1967-9-28 252 Riverside San Jacinto Mountains, Hemet (Garner) Valley 1463 Comment
  RSA740942  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-17 12184 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR202588  Galium angustifolium subsp. jacinticum Scott D. White, Justin M. Wood 2008-7-8 12380 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA503420  Galium aparine J. D. Olmsted 1962-5-10 3622 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UCR169317  Galium aparine T. B. Salvato, John F. Green 2004-5-27 600 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR216232  Galium aparine Mike Bell 2008-4-27 016 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 558 Comment
  RSA667136  Galium murale A. C. Sanders 2001-5-10 24251 Riverside Riverside, Blaine St. at RR tracks near intersection with Watkins Dr. 335 Comment
  RSA0117106  Galium porrigens Mitch Provance 2011-6-3 611 -01 Riverside Badlands of Western Riverside County: Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy 60. 756 Comment
  UCR177635  Galium porrigens John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  CLARK-A1528-7747  Garrya flavescens John C. Roos 1950-5-6 4788 Riverside Santa Ana Mountains 1036 Comment
  RSA570550  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  RSA49831  Garrya flavescens subsp. pallida P. A. Munz, I. M. Johnston 1924-7-29 8870 Riverside San Gorgonio Canyon, North of Banning 1067 Comment
  RSA115033  Garrya veatchii E. K. Balls, P. C. Everett, S. Tillett 1955-7-19 20972 Riverside San Jacinto Mts., Hwy 74, Hemet to Idyllwild, 2.8 mi. NW from Mountain Center 1189 Comment
  RSA234079  Garrya veatchii Robert F. Thorne, E. Lathrop 1969-6-6 39331 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  OBI12029  Gayophytum diffusum subsp. parviflorum Dieter H. Wilken 1965-6-29 336 Riverside Hall cyn, at Lake Fulmor, San Jacinto Mts 1494 Comment
  RSA113806  Gayophytum diffusum subsp. parviflorum Peter H. Raven, R. Snow 1957-7-26 11000 Riverside Along Banning to Idyllwild road 0.7 miles north of Vista Grande Ranger Station, San Jacinto Mountains. Comment
  RSA762000  Gayophytum diffusum subsp. parviflorum Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 84 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC729832  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Devils Slide Trail from Idyllwild to Tahquitz Valley (summit); San Jacinto Mts. 2438 Comment
  RSA586161  Gazania linearis D. L. Banks, Steve Boyd 1995-3-30 0126 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  RSA736586  Geraea canescens Keith E. Hoffmaster 1933-4-15 355 Riverside Desert end Palms to Pines road. Comment
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Aug 18 2010
  UCR148314  Geraea canescens John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  RSA356746  Geranium dissectum Robert F. Thorne 1973-5-23 45515 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 610 Comment
  JEPS89034  Gilia angelensis Rimo Bacigalupi and L. Heckard 1962-3-25 8385 Riverside about 5 mi se Corona (just n of Bedford Canyon, low rolling hills at eastern base of the Santa Ana Mountains); eastern base Santa Ana Mountains, n of Bedford Canyon 304 Comment
  RSA716388  Gilia angelensis Scott D. White, Angelia Carey 2004-4-5 9989 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD126649  Gilia angelensis J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, south of Murrieta; southwest of Mesa de Burro. 579 Comment
  UCR116010  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR120579  Gilia angelensis Steven R. Hill, K. Kramer 2001-4-27 33475 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  UCR158141  Gilia angelensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30090 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR230202  Gilia angelensis A. C. Sanders 2011-4-6 38989 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
  SD197858  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Agua Tibia Wilderness Area, 2.4 miles (air) westsouthwest of Radec. 622 Comment
  RSA0013023  Gilia diegensis LeRoy Gross, Caitlin Elam 2013-5-14 6040 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
  RSA0013623  Gilia ochroleuca subsp. exilis LeRoy Gross, Duncan S. Bell 2013-4-30 6030 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UC737092  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside on Elsinore Road on sandy lowland flats 12 mi s Corona; s of Corona Comment
  UCR67348  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4016 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR52070  Gilia sinuata D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  SEINET4042358  Gilia splendens C. Davidson 1975-1 2813 Riverside 5.4 miles north of alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA736984  Gilia stellata J. Andre, T. La Doux 2008-3-21 8835 Riverside Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance. 1018 Comment
  UCR279393  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-25 43009 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR59060  Glinus lotoides Ed LaRue 1989-10-11 s.n. Riverside 1.5 mi. west of Lake Mathews, north of Cajalco Rd. Comment
  CLARK-A1528-4676  Glyceria elata John C. Roos 1941-8-2 85 Riverside San Jacinto Mountains Comment
  POM12085  Glycyrrhiza lepidota Mary F. Spencer 1734 Riverside Canyon near San Jacinto Comment
  UCR119264  Gnaphalium canescens subsp. microcephalum Mitch Provance 1998-6-10 637 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  POM153364  Gnaphalium leucocephalum P. A. Munz, I. M. Johnston 1928-9-12 11248 Riverside Temescal Canyon. Comment
  RSA741076  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR101368  Gnaphalium palustre A. C. Sanders, K. C. Rose 1998-9-29 22245 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR157950  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 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
  UCR266808  Gnaphalium palustre Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 03 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR96868  Gnaphalium palustre Scott D. White 1993-4-25 1278 Riverside Winchester Hills area: agricultural fields, near vernal pools Comment
  UCR25852  Grayia spinosa John C. Roos 1949-4-2 4132 Riverside San Bernardino Mtns., Side canyon off Whitewater Canyon Comment
  RSA430051  Guillenia lasiophylla E. C. Jaeger 1920-03 s.n. Riverside Palm Springs. Comment
  SEINET269563  Gutierrezia californica Scott D. White 1996-5-27 4077 Riverside E. of Moreno Valley and S.of Calimesa between State Hwy. 60 and Gilman Spr. Rd. west and north of former gravel quarry 518 Comment
  LA203636  Gutierrezia lucida Carl Epling; 1937-11-26 sn Riverside White Tank, 29 Palms Comment
  LA203630  Gutierrezia sarothrae H. Lewis; 1940-7-18 sn Riverside U.S. 395, 5 mi. W of Temecula Comment
  POM319668  Gutierrezia sarothrae Patricia Wilder 1971-7-15 5256 Riverside Hillside at W end of Prado Dam, alt 800ft. Chino Hills Mts, Santa Ana River 244 Comment
  UCD132605  Gutierrezia sarothrae R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  CAS-BOT-BC231104  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of Interstate 15 Comment
  UCR174382  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0066615  Harpagonella palmeri D. E. Bramlet 1995-4-26 2399 Riverside Lake Skinner County Park. On S-facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), approx. 617 m E of the Entrance road. The site is at the jct of the maintenance road and road to Tucalota Creek. 476 Comment
  RSA713800  Hedera canariensis A. C. Sanders 2001-4-4 23910 Riverside Riverside: UCR campus; fence north of greenhouses SE of Boyce Hall, ca. 50 m west of E Campus Dr. 348 Comment
  UCR172284  Hedypnois cretica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  CLARK-A1528-1169  Helianthemum scoparium John C. Roos 1947-5-24 3642 Riverside San Jacinto Mountains 1158 Comment
  POM319631  Helianthus annuus Patricia Wilder 1970-10-15 4765 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  UCR22006  Helianthus annuus Steve Boyd 1980-9-8 347 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA605757  Helianthus annuus subsp. lenticularis Scott D. White 1996-3-16 3828 Riverside Lakeview Mountains: N of Winchester, at Maze Stone Picnic Area. Coarse alluvium and adjacent granitic hillside, SE- facing slope 579 Comment
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Mar 20 2011
  UC895530  Helianthus gracilentus E. C. Jaeger 1921-6-6 Riverside McMullen Trail San Jacinto Mts., McMullen Trail 822 Comment
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Nov 5 2011
  UCR256771  Helianthus gracilentus T. B. Salvato, Matthew Malle 2013-5-20 7588 Riverside Perris-Aguanga Basin, Menifee, northwest corner of Bundy Canyon Road and Murrieta Road 515 Comment
  RSA650770  Helianthus gracilentus C. J. Humphrey 1936-6-7 446 Riverside [Unspecified] Comment
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Dec 15 2011
  UCSB37798  Helianthus niveus Roos, John 1962-4-3 Riverside Palm Springs Airport 121 Comment
  UC455974  Heliotropium curassavicum J. E. Roadhouse 1905-7-14 7853 Riverside Corona Comment
  POM14105  Heliotropium curassavicum var. oculatum P. A. Munz, D. D. Keck 1922-4-9 4880 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA575895  Heliotropium curassavicum var. oculatum Steve Boyd 1994-10-14 8388 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  POM158467  Hemizonia kelloggii P. A. Munz 1927-5-20 10794 Riverside Murrieta Hot Springs. Comment
  RSA736381  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-5-1 11922 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR128946  Hemizonia mohavensis Robert Noll 2003-8-7 s.n. Riverside San Jacinto Mtns., along dirt road to Bee Canyon, c. 1 mile below Hwy 243 1372 Comment
  RSA663305  Hemizonia paniculata Mitch Provance 1998-3-6 702 Riverside Jurupa Mountains: Glen Avon Hts., Boulder Park, 0.7 km W of Pyrite St.on the N side of Granite Hill Dr. 305 Comment
  RSA683227  Hemizonia paniculata Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA752295  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR105990  Hemizonia paniculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, along Los Caballos Road, approx 0.4 m south of Hwy 79, 150 m north of Anza Road. Along the W side of the road in areas burned by the 1996 Temecula Fire 390 Comment
  UCR139627  Hemizonia paniculata A. C. Sanders 2004-6-30 28397 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
  UCR171134  Hemizonia paniculata John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  POM187878  Hemizonia pungens subsp. laevis E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  RSA532585  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, in an open ditch just east of Gateway farms. The site is just south of Newport Rd, at the Newport and Lucas Rd interesection. 517 Comment
  UCR103476  Hemizonia pungens subsp. laevis D. E. Bramlet 1995-6-8 2432 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit; within the access road to the margin of the old duck ponds, 1.83 km east of Davis Road and 762 m north of the San Jacinto River channel 436 Comment
  UCR68034  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, just east of Gateway Farms. south of Newport Rd. at the intersection of Newport Rd. and Lucas Rd. [site now under water of Diamond Valley Reservoir] 473 Comment
  RSA124445  Hesperocallis undulata Percy C. Everett, E. K. Balls 1958-4-29 23027 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  RSA663860  Hesperocallis undulata C. R. Annable 1995-3-16 2297 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  RSA192018  Hesperolinon micranthum E. W. Lathrop 1965-5-30 5775 A Riverside 6 miles W of Murrieta. Comment
  RSA715314  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC434234  Hesperoyucca whipplei Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 41 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Hathaway Canyon. 884 Comment
  SDSU11463  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1.4, of northwest 1/4 of section 35. 390 Comment
  RSA701644  Heteromeles arbutifolia Keith E. Hoffmaster 1933-12-18 s.n. Riverside Santa Ana Mountains Comment
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May 7 2008
  UCD113330  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range: Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA0075887  Heterotheca grandiflora Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR23297  Heterotheca villosa var. scabra John C. Roos, Lucille Roos 1950-10-21 5011 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  SBBG98223  Heuchera hirsutissima M. B. Dunkle 1933-7-19 3688 Riverside Tahquitz Pk 2651 Comment
  UCSB26903  Heuchera hirsutissima Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mountains 2377 Comment
  JOTR36462  Hibiscus denudatus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3432 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  SDSU254  Hilaria rigida A. H. Gallup 1949-3-28 375 Riverside In sandy wash near Palms to Pines Hwy. San Jacinto Mtn. Range. Slope: east. 762 Comment
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Jan 24 2013
  CAS-BOT-BC206105  Hoffmannseggia microphylla John Thomas Howell 1827-1-28 3292 Riverside Painted Canyon [Canon], Colorado Desert Comment
  CAS-BOT-BC207562  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  UCSB3083  Hoffmannseggia microphylla Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  RSA588185  Hoita macrostachya D. L. Banks, Victor W. Steinmann 1995-7-10 0750 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 609 Comment
  RSA617999  Hordeum depressum R. E. Riefner 1998-4-22 98 -289 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  SD262165  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417 84 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. Disturbed area. 384 Comment
  UCR104646  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, Lovell Unit. The site is approximately 198 m east of Davis Rd. and 183 m north of the San Jacinto River. Locality was some 46 m south of the existing access road 432 Comment
  UCR191542  Hordeum intercedens A. C. Sanders 2008-4-15 34889 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR99327  Hordeum intercedens D. E. Bramlet 1996-4-18 2455 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, c. 762 m NE of Lakeview, 122 m east of Davis Rd. and 40 m north of Marvin Rd 434 Comment
  RSA601079  Hordeum marinum subsp. gussoneanum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18120 Riverside Morongo Indian Reservation, SE edge of Burro Flats., T2S R1E S14, SE.4; 33 deg 59.5'N, 116 deg 51'W 1100 Comment
  HSC101531  Hordeum murinum subsp. murinum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12753 Riverside Weedlot in Indio, CA 10 Comment
  UCR95957  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA0042109  Horsfordia newberryi Duncan S. Bell, Deidre Conocchioli 2014-3-11 6226 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  SD229153  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-27 802 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  POM360711  Hulsea vestita subsp. callicarpha N. C. Cooper 1944-7-16 1556 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  SEINET480190  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. Comment
  UC32858  Hulsea vestita subsp. callicarpha H. M. Hall 1901-7-1 2334 Riverside vicinity Deer Springs; San Jacinto Mts. 2743 Comment
  UCR253359  Hulsea vestita subsp. callicarpha Ana Hernandez, John Dvorak 2011-8-4 028 Riverside San Jacinto Mountains, west of Forest Route 4S02.3 (Azalea Trail), 0.5 km south of Dark Canyon Campground 1746 Comment
  SEINET269275 Image available Hymenoclea salsola Bern Schwen 1994-3-21 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains along radio tower road in first canyon west of Pushawalla Canyon east of Upper Thousan 640 Comment
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Sep 7 2013
  UCR166854  Hymenoclea salsola 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
  UCR238062  Hymenopappus filifolius var. lugens Mark A. Elvin 2004-6-2 3499 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  CAS-BOT-BC312860  Hymenoxys odorata W. L. Jepson 1912-10-22 5260 Riverside Palo Verde Valley 137 Comment
  UC871762  Hypericum anagalloides P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  CAS-BOT-BC219770  Hyptis emoryi L. R. Abrams 1926-3-26 11065 Riverside Palm Springs to Palm Canyon Comment
  HSC66636  Hyptis emoryi Josephine Jones, Christopher Davidson 1980-4-4 9959 Riverside W end of Orocopia Mtns. S of Oro Peak. Comment
  JOTR35353  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA614499  Hyptis emoryi George K. Helmkamp 1998-2-5 2649 Riverside Palm Springs, 1.1 mi. W of CA Hwy 111 on Tramway Rd. 335 Comment
  SEINET12330780  Hyptis emoryi W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5516 Riverside Eagle Mts., on Power Line Rd, 383 Comment
  CAS-BOT-BC311606  Isocoma acradenia var. eremophila W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] Comment
  UCR180385  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11277 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  RSA777284  Isomeris arborea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4752 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
  UC11135  Isomeris arborea H. M. Hall May 1899 1186 Riverside Aguanga Smith's Mt. (n slope of Smith's Mt) Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  CLARK-A1656-898  Isomeris arborea var. angustata Jim Cornett 1977-6-25 Riverside Desert Hot Springs 396 Comment
  CAS-BOT-BC324741  Iva axillaris Steve Boyd 1986-4-22 1730 Riverside Walker Canyon area where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills, Temescal Canyon Comment
  UCR235052  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  UCR84500  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside S Santa Ana Mtns, San Mateo Canyon Widerness Area of the Cleveland National Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  UCR139644  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. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR209191  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37142 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 335 Comment
  UCR247518  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
  HSC24281  Juncus bufonius James Henrickson 1969-5-16 3261 Riverside 6 mi. W of Murrieta on Colorado Mesa of Santa Rosa Plateau 701 Comment
  RSA786557  Juncus bufonius D. M. McF 1954-5-28 s.n. Riverside Jct Hwy 395 and Newport Road. Comment
  SEINET3877664  Juncus bufonius N. Duane Atwood 1993-3-29 17733 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi. N of beach.; 0 Comment
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Jul 20 2015
  UCR167845  Juncus bufonius T. B. Salvato, Melissa Clemons 2005-6-2 1348 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR26145  Juncus bufonius John C. Roos 1952-4-30 5602 Riverside Edgemont, near Box Springs 488 Comment
  RSA621505  Juncus mexicanus Darin L. Banks 1997-11-15 2196 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  UCR21011  Juncus mexicanus A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1336 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UCR57987  Juncus oxymeris Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  POM12142  Juncus rugulosus Mary F. Spencer 1259 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
  RSA500193  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3551 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  CAS-BOT-BC85410  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside San Jacinto Mts., palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  JOTR30977  Juniperus californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1948 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  UC64447  Juniperus californica W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1826 Riverside e base San Jacinto Mt. 1219 Comment
  UCD133722  Juniperus californica Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9003 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  JEPS9350  Justicia californica Mary Beal 1941-4-6 862 Riverside Box Canyon Colorado Desert, Mecca Hills, Coachella Valley, Box Canyon Comment
  LA202780  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs 121 Comment
  RSA304957  Justicia californica S. Carlquist 1982-4-18 15672 Riverside 2.2 miles north of entrance (from highway 10) to Joshua Tree National Monument. Comment
  UCR245069  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  JEPS23552  Keckiella antirrhinoides Peter H. Raven 1958-5-17 12934 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  OBI9298  Keckiella antirrhinoides Tracey & Viola Call, Viola Call 1962-4-13 2125 Riverside Tin Mine Cyn near Corona 351 Comment
  RSA604851  Keckiella antirrhinoides Scott D. White 1995-3-30 2652 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  UC886789  Keckiella antirrhinoides C. B. Clokey, B. C. Templeton, and I. W. Clokey 1930-4-15 4772 Riverside Perris; Gavilan Peak 650 Comment
  UCR140706  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM9595  Keckiella antirrhinoides I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  CAS-BOT-BC236715  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  SD137611  Keckiella antirrhinoides var. antirrhinoides Darin L. Banks 1995-4-5 143 Riverside Cleveland National Forest, Agua Tibia Wilderness area, N slope of Agua Tibia Mtn., E of the Dripping springs Alcove, west of the Dripping Springs Trail 646 Comment
  JEPS26109  Keckiella antirrhinoides var. microphylla Peter H. Raven 1958-5-18 12995 Riverside 4.9 mi ne Pinyon Flats (along State Highway 74); San Jacinto Mountains Comment
  RSA293260  Keckiella ternata subsp. ternata D. C. Michener 1980-6-11 3676 Riverside Thomas Mtns. Semi-open chaparral Pinus transition ca 1.7 mi. along Thomas Mtn road [6S13] from jct with CA 74 near Lake Hemit. 1450 Comment
  UCD107116  Krameria bicolor Nancy Ryan Zabriskie 1968-4-12 133 Riverside Near entrance to Andreas Canyon Clubhouse, Andreas Canyon. Comment
  RSA718769  Krameria erecta Michael Honer, L. Hulse 2004-4-4 1933 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  CSUSB1161  Krameria grayi A. R. Gillogly 1966-5-7 Riverside One mile north of elementary school, 0.5 mile west on dirt road; Joshua Tree. 853 Comment
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Apr 21 2013
  RSA339622  Krameria grayi Robert F. Thorne 1980-5-28 54163 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UCR22000  Lactuca serriola Steve Boyd 1980-7-12 336 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC64845  Laennecia coulteri E. A. Zumbo 1904-1-1 438 Riverside Cold Water Canyon Santa Ana Mts. Comment
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Jan 11 2007
  UCR202423  Lagophylla ramosissima Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  UCD63325  Lamarckia aurea H. M. Reed 1914-4-23 Riverside Box Springs Mts., arroyo to w., near Sanitarium. Comment
  UCR2507  Lamarckia aurea H. S. Fawcett 1914-4-23 1311 Riverside Riverside, arroyo to the west of the Box Springs Mtns, near sanitarium Comment
  UCR1580  Lamium amplexicaule R. L. Needham 1962-3-21 10001 Riverside Riverside, front lawn at 3560 Holding Street. 259 Comment
  UCR37476  Lamium amplexicaule Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  HSC21920  Larrea tridentata J. J. Wagoner 1965-4-12 27 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon. Comment
  RSA165173  Larrea tridentata Mark Parratt 1962-2-24 110 Riverside E side of road in cathedral city. Colorado desert edge. Drainage area: Salton Sea. 152 Comment
  UC83662  Lastarriaea coriacea unknown April 1891 Riverside Cabazon Comment
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Mar 13 2011
  CAS-BOT-BC338909  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  POM305812  Lasthenia coronaria Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1047 Riverside Corona-Elsinore. Comment
  UCR85566  Lasthenia glabrata subsp. coulteri Julie A. Greene 1993-4-10 1149 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  RSA695489  Lasthenia gracilis O. M. MLF 1953-3-24 s.n. Riverside Lambs Canyon, south of Beaumont. 488 Comment
  UCR126365  Lasthenia gracilis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 684 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR126983  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2003-5-9 26586 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  CSUSB1223  Lathyrus laetiflorus Michael DeJong 1971-4-10 Riverside Found in gulley on the hill behind the apartments on the 5400 block of Olivewood Ave. in city of Riverside. Comment
  CSUSB1224  Lathyrus laetiflorus David M. Peterson 1966-2-27 660227 5 Riverside 9 miles southwest of Murrieta 609 Comment
  UCR138636  Lathyrus vestitus var. alefeldii D. L. Banks, J. Moreno 1997-2-5 1262 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  JOTR30961  Layia glandulosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1936 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  CAS-BOT-BC379634  Layia platyglossa Frank W. Peirson 1922-5-19 3042 Riverside Hemet Valley; San Jacinto Mts. 1341 Comment
  CLARK-A1528-1981  Layia platyglossa John C. Roos 1940-5-20 905 Riverside Reche Canyon Comment
  RSA650942  Layia platyglossa Anne Greenberg 1981-4-11 51 Riverside Cajalco Road, El Cerrito East towards Lake Mathews. Comment
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Jun 15 2013
  UC62888  Layia platyglossa H. M. Hall 2909 Riverside vicinity Sage 762 Comment
  UCR126984  Layia platyglossa A. C. Sanders, T. B. Salvato 2003-5-9 26585 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR167436  Layia platyglossa John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR214133  Layia platyglossa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37737 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA220968  Layia platyglossa subsp. campestris E. W. Lathrop 1966-4-20 6193 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA212921  Layia platyglossa subsp. platyglossa L. B. Ziegler 1969-5-15 s.n. Riverside Hemet Valley, south of Kenworthy Ranger Station. 1372 Comment
  RSA500976  Layia platyglossa subsp. platyglossa Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3153 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD140222  Leersia oryzoides A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and Santa Ana River, circa 50-100 meters below the lake. Comment
  RSA234095  Lemna gibba Robert F. Thorne, E. W. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  SD117843  Lemna minor Wayne P. Armstrong 1985-6-29 1240 Riverside Creek at northeast end of Fulmor Lake, on Highway R 1, northwest of Idyllwild. 1524 Comment
  HSC85410  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC170137  Lepidium fremontii E. E. Schellenger 1895-12-5 92 Riverside Chuckawalla Bench Colorado Desert Comment
  JOTR35354  Lepidium fremontii var. fremontii Andre, Jim 2012-4-11 20682 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  POM6614  Lepidium lasiocarpum P. A. Munz, L. T. Street, Williams 1919-3-25 2315 Riverside Palm Canyon. 243 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
  CDA24928  Lepidium lasiocarpum var. georginum G. D. Barbe, T. C. Fuller 1973-2-28 1069 Riverside 4.6 miles south of I-10 on Wiley s Well Road, west of Blythe. 0 Comment
  UCR201883  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  RSA543880  Lepidium latipes Steve Boyd, Dave Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR127325  Lepidium nitidum A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR225451  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-28 38831 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  UCR251304  Lepidium nitidum T. B. Salvato, Matthew Malle 2014-4-8 7829 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  RSA666721  Lepidium strictum A. C. Sanders 2001-3-17 23832 Riverside Upper Santa Ana River Basin: Riverside, Reid park on Orange St. in the northern part of town, E of North Main St., 34 00 35 N, 117 21 12 W 253 Comment
  UCR165611  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 710 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA653419  Lepidium virginicum var. pubescens Scott D. White 1999-5-24 7386 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR201452  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12137 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR5978  Lepidium virginicum var. pubescens Joe Buriel 1966-3-26 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore, near RR tracks 427 Comment
  UCR220117  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2633 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  RSA289874  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4089 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel., Near Lat. 33 : 34 N ; Long. 116: 6 W. -55 Comment
  RSA588597  Leptochloa fusca subsp. uninervia D. L. Banks, Steve Boyd 1995-10-17 808 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  SEINET3829011  Leptochloa uninervia Steve Boyd, Orlando Mistretta 1992-1 7050 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UC1100299  Leptochloa uninervia Malcolm A. Nobs and S. Galen Smith 1948-9-3 494 Riverside citrus grove 2 mi n Indio; Imperial Valley Comment
  CAS-BOT-BC227047  Leptosiphon floribundus subsp. glaber Ynez W. Winblad 1938-5-15 s.n. Riverside Between E. Capistrano and Lake Elsinore Comment
  UCSB26904  Leptosiphon floribundus subsp. glaber Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mountains 2377 Comment
  POM12815  Leptosiphon liniflorus P. A. Munz 1922-6-23 5781 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  SD73177  Leptosiphon parviflorus D. F. Howe 1969-5-15 Riverside Hear Dripping Springs Camp 456 Comment
Read comments
Mar 6 2013
  UCR193757  Lessingia glandulifera var. glandulifera A. C. Sanders, Mitch Provance 2008-7-11 35756 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  CAS-BOT-BC283712  Leymus condensatus E. W. Lathrop 1966-5-25 6338 Riverside 5 miles NW of Murrieta Comment
  UCD64442  Leymus condensatus Nat Mewhinney 1949-10-1 Riverside S of Hemet. Comment
  HSC78994  Lilium parryi K. Berg 1980-7-29 244 Riverside San Jacinto Mtns., James Reserve, Hall Canyon, along Indian Creek 1646 Comment
  RSA654177  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  UCR908  Linanthus androsaceus subsp. micranthus Frank C. Vasek 1958-4-26 s.n. Riverside Peninsular Range, Highway '71' [79/371], east of Temecula, 1.6 miles [E] of junction of state Hwy 79 Comment
  UCR198186  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  RSA654613  Linanthus dianthiflorus Starr Streight 1982-4-17 72 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  RSA407739  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA543171  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, Mike Hammitt, T. S. Ross 1991-5-2 6081 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
  CLARK-A1045-89  Linanthus dianthiflorus subsp. farinosus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  UCR35061  Linanthus floribundus L. B. Ziegler 1967-5-18 132 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  JEPS58524  Linanthus floribundus subsp. floribundus W. L. Jepson 1907-5-25 1445 Riverside Santa Rosa Indian Village Santa Rosa Mts. Comment
Read comments
Nov 29 2008
  RSA676282  Linanthus jonesii Scott D. White 2001-4-3 8247 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA703487  Linanthus jonesii LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1432 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  UCR114126  Linanthus jonesii B. G. Pitzer, J. Ross 1998-3-8 3608 .2 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR133508  Linanthus lemmonii G. R. Ballmer 1998-4-18 s.n. Riverside San Jacinto Mtns. Foothills, Friendly Hills Ranch, SE of Hemet at end of Fairview Ave., near mouth of Bautista Canyon 854 Comment
  CLARK-A1528-711  Linanthus maculatus Charlotte Stocks 1965-5-10 Riverside Whitewater Wash Comment
  RSA525350  Linaria canadensis var. texana Steve D. Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4448 Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  RSA221083  Lithophragma affine subsp. mixtum E. W. Lathrop 1966-3-30 6121 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR20687  Loeflingia squarrosa O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR49246  Loeflingia squarrosa Steve Boyd 1986-4-19 1699 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA757823  Loeseliastrum schottii Michael Wall 2010-5-6 557 Riverside Morongo Wash, NE of Palm Springs, WNW of Flat Top Mountain. 164 Comment
  UCSB28361  Loeseliastrum schottii Dietz, Eileen 1974-3-23 Riverside 3 meters east of 3 Hwy. 111; 300 meters northwest of intersection with Hwy. 74; in Palm Desert 60 Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  CAS-BOT-BC342250  Logfia filaginoides S. B. Parish 1884-3-1 1657 in part Riverside Agua Caliente (Palm Springs) Comment
  JOTR35097  Logfia filaginoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 3003 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  SD144488  Logfia filaginoides A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19890 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn, along the road. 518 Comment
  UCR59762  Logfia filaginoides Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3071 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  RSA613645  Lomatium lucidum D. L. Banks, Victor Steinmann 1997-3-13 1474 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR91592  Lomatium lucidum D. L. Banks 1995-4-11 0177 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail 829 Comment
  JOTR30985  Lomatium mohavense La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1963 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  UC1167711  Lomatium mohavense Peter H. Raven 1958-5-5 12898 Riverside w. Split Rock Tank (Joshua Tree Nat'l Monument); Joshua Tree Nat'l Monument Comment
  SD120074  Lomatium utriculatum Louis B. Ziegler 1969-5-18 345 Riverside San Jacinto Mountains, Hemet Valley near Pine Meadows, bottom of valley floor 1435 Comment
  UC56510  Lomatium utriculatum H. M. Hall Apr. 1902 2946 Riverside vicinity of Riverside 365 Comment
  UC566794  Lomatium utriculatum Frank W. Peirson Apr 29 1922-May 18 1922 2932 Riverside roadside s. lake Elsinore Comment
  UCR47045  Lonicera interrupta Karin Cleary 1987-5-14 31 Riverside Beaumont; W slope of the canyon where California St. ends; 1.5 km SW of its intersection with Hwy 79. 750 Comment
  UCR209166  Lonicera japonica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37156 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CAS-BOT-BC234888  Lonicera subspicata var. denudata Cecil Hart 1926-7-4 s.n. Riverside San Jacinto Mts. Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  SDSU2923  Lonicera subspicata var. denudata H. Wedberg 1962-7-29 981 Riverside About 7 miles from hemet on the road to Mountain Center, opposite the 2000' sign. 610 Comment
  RSA583362  Lotus argophyllus Steve Boyd, Darin Banks 1995-4-5 8418 -B Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR90982  Lotus argophyllus Scott D. White 1996-3-16 3824 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA772415  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4850 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR199738  Lotus corniculatus Scott D. White, Justin Wood 2008-6-24 12290 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA0027734  Lotus crassifolius John F. Emmel 1985-6-30 945 Riverside Along north edge of Strawberry Creek, west of Idyllwild. Comment
  POM48896  Lotus grandiflorus var. grandiflorus P. A. Munz, I. M. Johnston 1924-7-27 8747 Riverside Dark canyon 1982 Comment
  POM10071  Lotus hamatus Charlotte M. Wilder 1904-4-26 61 Riverside Wilder's Canyon Comment
  UCR251996  Lotus heermannii A. C. Sanders, T. B. Salvato 2014-7-2 41171 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR101802  Lotus heermannii var. heermannii George K. Helmkamp, E. A. Helmkamp 1998-8-17 4442 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR174358  Lotus humistratus A. C. Sanders 2006-5-19 32382 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR228834  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-4-27 39333 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
  RSA753477  Lotus nevadensis Scott D. White, Justin M. Wood 2009-5-21 12858 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UCR159258  Lotus purshianus A. C. Sanders, Kelly Volansky 2005-8-31 31572 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA0042918  Lotus salsuginosus var. brevivexillus Duncan S. Bell, Evan Meyer 2014-4-2 6497 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  POM14083  Lotus scoparius var. brevialatus P. A. Munz, D. D. Keck 1922-4-14 4998 Riverside East of Whitewater Ranch 244 Comment
  UCR98081  Lotus scoparius var. brevialatus A. C. Sanders, G. Helmkamp 1997-3-15 19943 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  CSUSB1196  Lotus strigosus Ed West 1972-5-5 4 Riverside San Jacinto Mountains San Jacinto Mountains. 15.3 miles from Banning on the Palms to Pines Highway. 1746 Comment
  RSA192127  Lotus strigosus E. W. Lathrop 1959-4-1 4397 Riverside 18 mi SW of Elsinore & Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
  RSA0037334  Lotus strigosus Bob Rogers 1984-5-5 33 Riverside Collected along a trail bordering the west side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from hwy 74/hwy 243 jctn. 1524 Comment
  RSA145915  Lotus strigosus var. tomentellus William M. Klein 1958-2-11 31 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  RSA406376  Lotus tomentellus M. B. Dunkle 1933-3-4 3031 Riverside Painted Canyon. 30 Comment
  RSA674547  Lotus wrangelianus Scott D. White 2000-5-1 7754 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  POM349940  Lupinus arizonicus Robert Gustafson 1983-3-27 2491 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA249450  Lupinus arizonicus John F. Emmel 1973-3-19 415 Riverside 1 road mile ESE of Corn Springs, Corn Springs Wash, Chuckwalla Mountains. 457 Comment
  UC517569  Lupinus arizonicus John Thomas Howell 1928-3-11 3434 Riverside 6 mi se Garnet Station; Colorado Desert, se of Garnet Station 152 Comment
  UCR88117  Lupinus arizonicus A. C. Sanders, G. Nuhn 1995-4-20 16591 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCSB3266  Lupinus arizonicus Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center, on U.S. Highway 60-70 Comment
  SBBG103916  Lupinus bicolor S. D. White 1993-4-22 1224 Riverside N Alberhill Ranch, in hills N of Walker Cyn 487 Comment
  UCSB37850  Lupinus bicolor Sanders, A. 1980-7-18 Riverside Garner Valley; near the junction of the Thomas Mtn. Rd. with Hwy. 74; about 1 mile SE. of the head of Hemet Lake; T 6S, R 3E, SW1/4 of SW1/4 sec. 10 1341 Comment
  VVC218  Lupinus bicolor Markell Kohn 1959-3-29 s.n. Riverside on US 395 0.2 miles south of Murieta Hot Springs Rd jct west side of hwy [now jct 15/215] 354 Comment
  SEINET10577534  Lupinus bicolor subsp. marginatus Nye Leith, Greg Gust 2005-3-11 Nye 61 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  SEINET10484859  Lupinus bicolor subsp. marginatus David B. Dunn 1947-3-16 Dunn 2921 Riverside 0.5 mile n of cabazon in banning pass Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SD63735  Lupinus breweri Peta Mudie 1965-7-5 488 Riverside Dry SW slope on NW side of Santa Rosa Mountain, on unpaved road from Hwy 74 to National Forest campsite 1000 Comment
  HSC85275  Lupinus concinnus Steve Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mtn. Comment
  RSA7443  Lupinus concinnus M. Wall 2009-5-15 508 Riverside Bautista Creek, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 752 Comment
  UC15828  Lupinus concinnus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR103998  Lupinus concinnus George K. Helmkamp 1998-4-3 3062 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR214134  Lupinus concinnus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37738 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR1560  Lupinus concinnus subsp. optatus R. L. Needham 1962-5-19 10068 Riverside Peninsular Ranges, San Jacinto Mtns, above Fern Basin Campground (off Idyllwild-Banning Hwy). 1982 Comment
  POM98007  Lupinus concinnus subsp. optatus E. C. Jaeger 1926-3-28 s.n. Riverside Santa Rosa Mts. in wash near Van De Venters flat. 1433 Comment
  POM46815  Lupinus concinnus subsp. orcuttii Mary F. Spencer 1920-4-19 1464 Riverside Palm Springs. 122 Comment
  LA205095  Lupinus excubitus W. E. Pequegnat; 1939-4-8 27 Riverside Santa Ana Mountains Comment
  POM307275  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2144 Riverside Santa Rosa Mountains. Comment
  SD185222  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 Riverside Head of Banning Canyon close to San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR23945  Lupinus formosus John C. Roos 1943-5-23 2664 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  SEINET7123947 Image available Lupinus hirsutissimus G. Gust, L. Nye 2005-1 542 Riverside Hwy 74 ca. 2 mi W of Lake Elsinore; Lake Elsinore city limits 691 Comment
  RSA5431  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3985 Riverside near junction of trail from Round Valley to San Jacinto Peak and trail to idyllwild via Tahquitz Valley 2957 Comment
  SD136844  Lupinus latifolius var. parishii Steve Boyd 1992-4-15 6851 Riverside Santa Ana Mountains, San Mateo Canyon wilderness Area, Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  UCR132859  Lupinus microcarpus var. densiflorus Kent Beaman 1983-4-24 15 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  RSA562059  Lupinus shockleyi Steve D. Boyd, K. A. Boyd, C. Boyd 1992-4-19 6925 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA770857  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4931 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  SEINET10490243  Lupinus sparsiflorus subsp. inopinatus David B. Dunn 1947-3-16 Dunn 2919 Riverside Found a 100 hundred yards se of cabazon in the banning pass. Comment
  RSA414276  Lupinus sparsiflorus subsp. sparsiflorus E. Crow 1929-2-2 175 Riverside Near Cabazon, NW Colorado Desert Comment
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Mar 13 2011
  RSA617297  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1937-04 300 Riverside Mojave Desert: Palm Springs. Comment
  RSA501042  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3163 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC1537126  Lupinus truncatus Gordon H. True Jr. 1935-4-8 228 Riverside Mockingbird Canyon 457 Comment
  SBBG87838  Lycium andersonii A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6094 Riverside wash below Corn Spring, Chuckwalla Mtns 487 Comment
  CAS-BOT-BC231641  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canon [Canyon], Colorado Desert Comment
  POM4213  Lycium torreyi I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  RSA585728  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0392 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  RSA515322  Madia gracilis Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, south of town of Murrieta, Miller Canyon, north of Mesa de Burro 610 Comment
  UCD116351  Malacothamnus densiflorus R. N. Raynor 1941-7-28 s.n. Riverside Highway #71 betw. Temecula and Aguanga. Comment
  POM97009  Malacothamnus densiflorus var. densiflorus P. A. Munz 1926-5-2 s.n. Riverside 5 miles NW of Dripping Spring. Comment
  CSUSB1367  Malacothamnus fasciculatus James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. Comment
  UCR119263  Malacothamnus fasciculatus Mitch Provance 1998-6-10 638 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  RSA0087582  Malacothamnus fasciculatus Edmund C. Jaeger 1949-7-25 s.n. Riverside North side Santa Rosa Mountain. 1646 Comment
  UC63859  Malacothamnus fasciculatus var. fasciculatus H. M. Hall 1897-5-5 528 Riverside Winchester Comment
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Mar 20 2011
  UC219554  Malacothrix californica P. A. Munz 1922-7-4 5974 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR121072  Malacothrix californica D. E. Bramlet 2000-8-30 3077 A Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  CLARK-A1528-2007  Malacothrix clevelandii John C. Roos 1954-5-15 6119 Riverside Reche Canyon 731 Comment
  CAS-BOT-BC347698  Malacothrix glabrata Scott D. White 1996-4-14 3897 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  SBBG66070  Malacothrix glabrata A. J. McClatchie -May-1892 Riverside Elsinore Comment
  UCR20755  Malacothrix glabrata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1310 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA220972  Malacothrix saxatilis var. tenuifolia E. W. Lathrop 1966-5-1 62 Riverside 4 mi W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 610 Comment
  UCR166541  Malva parviflora Scott D. White, Jennifer H. Jones 2005-4-12 10873 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  RSA557349  Malvella leprosa Julie Greene 1993-5-12 1298 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  UCR114199  Malvella leprosa A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23633 Riverside Perris-Aguanga Basin Region, gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  RSA7198  Mammillaria dioica B. D. Stark 1932-09 7375 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
  UC403439  Mammillaria dioica L. J. Childs Jan. 1925 Riverside Deep Creek Colorado Desert (mouth) Comment
  CAS-BOT-BC56808  Mammillaria tetrancistra Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA346380  Marah macrocarpa F. R. Fosberg 1930-3-9 1536 Riverside Mission Canyon Comment
  SD126049  Marah macrocarpa B. Pitzer, E. Misqez 1988-2-28 617 Riverside SW of Murrieta, Walkder Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 1399 Comment
  UCR84271  Marah macrocarpa A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15909 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  UCR240066  Marina parryi A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40504 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
  UCR3212  Matricaria matricarioides V. L. McFarland 1964-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, UCR campus, sandy lot between Utah and Avocado Aves., 3400 block of Utah immediately west of area 305 Comment
  RSA717836  Meconella denticulata T. Tennant, Mitch Provance 1998-6-25 MOR- 1060 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA522305  Medicago lupulina Steve D. Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  CSUSB1307  Medicago sativa C. M. Flanagan 1971-4-23 Riverside Southeast corner of the UCR campus garden project in the city of Riverside. Comment
  IRVC28526  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside Riverside, UCR campus at University Bldg. South (old Citrus Expt. Sta. Director's residence area) 351 Comment
  RSA751625  Melia azedarach G. Gust, L. Nye 2005-3-11 537 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 Comment
  RSA801815  Melica imperfecta LeRoy Gross, Evan Meyer 2013-5-21 6109 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  SEINET1004450  Melica imperfecta A. C. Sanders 2004-1 27548 Riverside Santa Ana Mtns.: Santa Rosa Plateu, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCD87826  Melica imperfecta Beecher Crampton 1963-5-7 6783 Riverside Western. 2 miles W of Lakeland Village, Elsinore Mountains. Cleveland National Forest. 609 Comment
  UCR135735  Melica imperfecta A. C. Sanders 2004-4-20 27553 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  VVC233  Melilotus indicus F. Zaebst 1959-4-27 s.n. Riverside Canyon Crest Village 412 Comment
  SD181753  Melinis repens Scott D. White, Teresa Salvato 2001-6-8 8579 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. (Temecula) 334 Comment
  UC195312 Image available Mentha X piperita S. B. Parish 1913-9-20 8608 Riverside railway water works, Mecca Mecca; Salton Sink -57 Comment
  RSA381081  Mentha spicata Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61180 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UCR245967  Mentzelia albicaulis Duncan S. Bell 2009-3-9 116 Riverside Arica Mountains, east side of the range, west side of Rice Valley, c. 2.7 air miles NE of Priest Well, or c. 3.3 air miles SE of ghost town of Rice 244 Comment
  UC667279  Mentzelia involucrata Annie M. Alexander and Louise Kellogg 1941-5-26 2237 Riverside Eagle Mountains, Monsen Canyon 914 Comment
  UCSB4219  Mentzelia involucrata Beeks, Richard 1952-4-4 Riverside 7 miles N of Mecca in Box Canyon Comment
  SEINET8712370  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs. Comment
  POM254738  Mentzelia involucrata var. megalantha P. A. Munz 1940-3-24 15694 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  SBBG4859  Mentzelia veatchiana C. H. Muller 1952-4-6 9500 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree National Monument Comment
  SD146006  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. I(c) mile west of Warren Road (mak 10/07) 456 Comment
  UCR112009B  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2000-5-25 23410 B Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  POM15165  Microseris lindleyi Mary F. Spencer 1922-4-23 531 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  UCR34957  Microseris lindleyi L. B. Ziegler 1969-5-8 354 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  RSA0018771  Mimetanthe pilosa Philip A. Munz 1922-6-30 5913 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA0018774  Mimetanthe pilosa Robert F. Thorne, Walter Wisura 1977-9-17 50779 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR15998  Mimulus aurantiacus var. pubescens K. T. Seng 1966-3-27 660327- 6 Riverside 0.5 miles north corner of Wood and Roberts, about 4 miles from freeway 395, Woodcrest, Riverside 488 Comment
  UCR233080  Mimulus aurantiacus var. pubescens T. B. Salvato, Richard Camacho 2011-6-12 5493 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR26977  Mimulus aurantiacus var. pubescens E. W. Lathrop 1966-5-8 6478 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  SDSU12270  Mimulus aurantiacus var. puniceus Jeremy Mass, Ryan Jacobsen 2000-4-19 17 Riverside Near fork in the road leading down to the canyon and growing throughout Stone Creek area near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  SEINET3005076  Mimulus bigelovii G. Rink 2011-5-1 10514 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UC410543  Mimulus brevipes Mrs. E. C. Van Dyke July, 1928 Riverside along to desert from Idyllwild Comment
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Sep 3 2011
  UCR120826  Mimulus brevipes Ian G. Gillespie 2000-4-27 28 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 412 Comment
  RSA38704  Mimulus clevelandii Percy C. Everett 1945-6-7 11505 Riverside Indian Canyon along Indian Canyon Truck Trail 960 Comment
  RSA583720  Mimulus diffusus Steve Boyd 1995-4-24 8475 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR142934  Mimulus fremontii Scott D. White 1999-6-6 7440 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  JEPS10473  Mimulus guttatus I. W. Clokey 1935-8-21 6906 Riverside Hemet Lake 1220 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
  UCR154450  Mimulus guttatus A. C. Sanders, Mike Misenhelter 2005-6-15 30961 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CLARK-A1528-868  Mimulus longiflorus Markell Kohn 1959-4-1 Riverside University of California Comment
  UC1537586  Mimulus nasutus Gordon H. True Jr. 1935-4-1 191 Riverside Box Springs 365 Comment
  JEPS79795  Mimulus parishii Marjorie D. Clary 1932-6-5 1634 Riverside Eagle Canyon, w side of Colorado Desert Eagle Canyon; Colorado Desert 182 Comment
  UCR20887  Mimulus pilosus A. C. Sanders 1978-7-1 s.n. Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  SEINET7067553  Mimulus viscidus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. UTM Zone 11, 476286mE, 3704448mN. Comment
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Jul 13 2018
  UCR37618  Mirabilis bigelovii George K. Helmkamp 1984-5-2 D 24 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  CLARK-A1656-685  Mirabilis bigelovii var. retrorsa Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  UCR175379  Mirabilis californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-8 292 Riverside Peninsular Ranges; Box Springs Mtns, Riverside, UCR campus; S on road east of UCR herbarium, Bio 5C hill 396 Comment
  HSC34753  Mirabilis laevis R. E. Cooksey Mar 1974 204 Riverside San Bernardino Mtns. White Water canyon 305 Comment
  RSA717494  Mirabilis laevis John Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, Greenway site along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs. 396 Comment
  RSA736160  Mirabilis laevis Rosemarie Zimmermann 1961-3-21 24 Riverside Mockingbird Canyon, 1/2 miles S of Mockingbird Road, 5 miles E of Arlington, alt 1400ft. Gavilan Hill (5miles to N), Lake Mathews Drainage 427 Comment
  RSA33559  Mirabilis laevis var. crassifolia N. C. Cooper 1944-3-25 1009 Riverside Cabazon. 457 Comment
  RSA69464  Mirabilis laevis var. crassifolia F. W. Peirson 1921-3-19 69464 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  POM9007  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-3-20 3400 Riverside 5 miles S of Corona 305 Comment
  SBBG37507  Mirabilis laevis var. villosa R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  HSC28442  Mohavea confertiflora R. W. Spjut 1973-4-10 3295 Riverside Colorado Desert: N slopes of the Chuckawalla Mtns., 3-4 mi. directly S of Desert Center 305 Comment
  POM44293  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  CDA6774  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  JEPS63421  Monardella australis subsp. australis Carl V. Meyer 1928-7-26 548 Riverside between Deer Springs and San Jacinto Peak 2895 Comment
  UC104662  Monardella breweri subsp. lanceolata A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  UC2035979  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 Riverside Jurupa Hills Comment
  UCR261717  Monardella breweri subsp. lanceolata Dick Newell, Judy Booth 2014-5-18 370 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest on South Main Divide Road, 0.25 mi. east of CNF gate near Elsinore Peak 950 Comment
  UC2042134  Monardella lanceolata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA180417  Monardella lanceolata var. lanceolata E. W. Lathrop 1965-5-30 5771 -d Riverside 6 miles W of Murrieta. Comment
  JEPS44375  Monardella nana Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4273 Riverside About 1 mile below junction with spur to Santa Rosa Springs Comment
  UC1499936  Monardella nana E. McClintock, H. Lewis 1941-6-29 80 Riverside Santa Rosa Mt. road, 5 1/2 miles beyond canyon where stream crosses road Comment
  UC2036000  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  RSA750408  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 65 Riverside Pines to Palms Highway, at turn off to Santa Rosa Mt. Comment
  IRVC2060  Monardella nana subsp. tenuiflora R. H. Whittaker, W. A. Niering 1963-6-8 SJ 304 Riverside Marion Mountain Trail. Peninsular Ranges, San Jacinto Mountains 2424 Comment
  RSA750290  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 98 Riverside Black Mt. 0.1 mile beyond turn off from Banning-Idyllwild road. Comment
  RSA83427  Monardella nana subsp. tenuiflora F. W. Peirson 1924-7-27 4990 Riverside San Jacinto Mountains: Dark Canyon. 2226 Comment
  UCR125896  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24614 Riverside Mojave Desert, Little San Bernardino Mtns, Jumbo Rocks Campground, Joshua Tree National Park 1341 Comment
  GMDRC9383  Monolepis nuttalliana J. M. Andre 2017-3-4 37201 Riverside Big Maria Mountains: eastern base of range at Black Point, west side of US Hwy 95 34.2 mi. south of Vida Jct, at road to radio tower 94 Comment
  UCR260872  Monolepis nuttalliana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41577 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  CAS-BOT-BC349806  Monoptilon bellioides S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  SD28014  Monoptilon bellioides Carl B. Wolf 1932-4-27 3061 Riverside 5.0 miles east of Desert Center. 149 Comment
  SEINET10800994  Monoptilon bellioides David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2912 Riverside Hill slope by quadrat 4. Pushawalla Canyon Biota. Indio Hills. Comment
  UCR260592  Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41552 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  SD212436  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, et al. 2006-5-28 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bunday Canyon/Scott Road and north of Clinton Keith Road, vicinity of peak 2279. 579 Comment
  SD224803  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. Foothills: Chino Canyon near the Palm Spring tram station. 794 Comment
  UCR198195  Muhlenbergia microsperma Michael Honer, L. Hulse 2004-4-3 1921 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR2587  Muhlenbergia microsperma Mrs. Barton 1908-1 s.n. Riverside Rubidoux Mtn, Riverside Comment
  UCR279504  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2017-3-27 43108 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
  UCR2567  Muhlenbergia rigens F. M. Reed 1928-7-11 7491 Riverside San Jacinto Mtns., Camp Emerson, Strawberry Valley (near Idyllwild) 1677 Comment
  RSA586850  Muilla maritima Darin L. Banks, Steve Boyd 1995-5-3 269 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA68692  Muilla maritima F. W. Peirson 1922-4-29 2942 Riverside 2 miles south of Elsinore. 366 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
  RSA522093  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3761 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  UCSB5309  Nama demissa Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shavers Summit Comment
  RSA27707  Nama demissa var. deserti C. L. Hitchcock 1940-3-29 5866 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA49361  Nama demissa var. deserti P. A. Munz 1949-4-11 13005 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA4920  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  RSA108340  Nassella cernua Frank W. Gould 1944-4-4 2206 Riverside 12 miles S of Corona on road to Elsinore, alt Riverside County Comment
  RSA615323  Nassella lepida Scott D. White 1997-5-25 5226 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing. 793 Comment
  RSA562482  Nassella pulchra Steve Boyd, Timothy S. Ross 1992-5-5 7254 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
  UCR127106  Navarretia atractyloides Mitch Provance 1998-6-1 571 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 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
  CAS-BOT-BC233576  Navarretia prostrata Robert F. Thorne; Earl Lathrop 1969-5-12 37929 Riverside Santa Rosa Plateau: S end of Mesa de Colorado, Rancho California 624 Comment
  RSA439263C  Nemacladus glanduliferus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA480009  Nemacladus glanduliferus var. orientalis Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2134 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR139139  Nemacladus longiflorus John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  SEINET1869528  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-1 1753 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15. Comment
  UCR49240  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-22 1753 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA0126347  Nemacladus longiflorus var. longiflorus P. A. Munz 1927-5-20 10864 Riverside Cohuila. Comment
  POM11982  Nemacladus orientalis P. A. Munz 1922-4-9 4852 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA586736  Nemacladus pinnatifidus D. L. Banks, S. D. Boyd 1995-5-17 0459 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
  CAS-BOT-BC536485  Nemacladus ramosissimus A. C. Sanders; D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Srpings Creek crossing W of Hwy 79, NE of the Hogbacks, N of Los Alamos Rd, and E of the creek 396 Comment
  RSA0013618  Nemacladus ramosissimus LeRoy Gross, Duncan S. Bell 2013-4-30 6025 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UCR121208  Nemacladus ramosissimus D. E. Bramlet 1991-5-10 2143 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  JOTR35435  Nemacladus sigmoideus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 41 Riverside Joshua Tree National Park. Little San Bernardino Mtns; upper reaches of Fan Canyon W of Juniper Flats Comment
  OBI42757  Nemophila menziesii Roberta H. Smith 1969-4-12 2 Riverside Box Springs mts, NW slope of hill, SE of UCR 366 Comment
  POM184247  Nemophila menziesii P. A. Munz 1932-3-24 12023 Riverside North of Elsinore 305 Comment
  RSA421339  Nemophila menziesii Ora M. Clark 1929-4-7 2038 Riverside S. Hemet. Comment
  RSA659376  Nemophila menziesii Lydia Paneri 1982-4-17 48 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  SD244167  Nemophila menziesii A. C. Sanders, Timothy W. Chumley 2013-4-2 40746 Riverside Peninsular Range: Temescal Canyon between Horsetheif Canyon Road and Hostettler Road, near I-15 Fwy, SE of Corona (Lee) Lake (Albrehill 7.5'Q) 377 Comment
  UCR177946  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 016 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA329566  Nemophila menziesii var. menziesii Gary D. Wallace 1966-4-7 447 Riverside Tucolata Valley between Sage and Murrieta. Comment
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Feb 23 2017
  RSA772851  Nerium oleander Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4840 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA426748  Nicotiana clevelandii Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. 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
  UCR2899  Nicotiana glauca Paul W. White 1963-4-8 40863- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, 200 yards SW of corner of Canyon Crest Dr. and [Monte] Vista Dr. 'c. 900 ft 335 Comment
  RSA0108978  Nicotiana obtusifolia Duncan S. Bell, Amanda Bell 2012-1-28 3063 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UC303674  Nicotiana obtusifolia Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 304 Comment
  UCR274849  Nicotiana obtusifolia David Fraker, Aaron C. Sedgwick 2012-4-5 075 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  UCR1582  Nicotiana quadrivalvis R. L. Needham 1962-4-27 10015 Riverside Peninsular Range, 3 mi NE of Nuevo [near Lakeview] 488 Comment
  UCR99793  Nolina bigelovii A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19645 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  UCR152583  Nolina parryi James C. Dice 1985-6-13 618 Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, c. 1.3 km N of Hwy 74 1250 Comment
  UC218606  Notholaena californica Ivan Johnston 1917-4-4 Riverside Palm Canyon 304 Comment
  OBI53608  Nuttallanthus texanus Steve Myers 1988-1 s.n. Riverside Temescal Cy, ca 1/4 mi W of intersection of Hwy I-15 & Indian Truck Trl 381 Comment
  UC64206  Nuttallanthus texanus H. M. Hall 1897-3-20 416 Riverside vicinity of Winchester; Southern California Comment
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Mar 20 2011
  RSA663899  Oenothera deltoides C. R. Annable 1995-3-16 2295 Riverside Ca. 13 km NE of Desert center on Hwy 177. Comment
  RSA795946  Oenothera deltoides Duncan S. Bell 2009-4-19 272 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR275466  Oenothera deltoides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UC20555  Oenothera deltoides subsp. deltoides S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  UC665751  Oenothera deltoides subsp. deltoides Ira L. Wiggins 1941-3-26 9660 Riverside along wash Wiley Well Comment
  RSA747802  Oenothera deltoides var. deltoides Justin M. Wood 2009-3-26 402 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  SEINET10492365  Oenothera dentata var. parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3704 Riverside Yellow. Found growing in a wash. Indio hills. Near pushawalla. Comment
  UCR1500  Oenothera elata Donna Lee Hobbs 1962-4-29 4-29-62- 01 Riverside 5 mi. north of Rainbow on Hwy 395 [now Interstate Hwy 215] Comment
  RSA737120  Oenothera elata subsp. hirsutissima Justin M. Wood 2008-10-15 186 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA144622  Oenothera primiveris subsp. bufonis William M. Klein, David P. Gregory 1958-2-14 146 Riverside Along U.S. hwy 60-70 on Palo Verde Mesa, west of Blythe. Comment
  RSA122245  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside Near Thermal 30 Comment
  RSA698037  Olneya tesota J. R. Bruff 1928-12-29 403 Riverside Lone Cottonwood Ranch 2 mi. SE of Dos Palms. Comment
  SD48500  Olneya tesota P. C. Everett, E. K. Balls 1958-5-7 23116 Riverside Highway 195, Mecca to Blythe, entrance to Box Canyon. 198 Comment
  SD185153  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Gilman Springs Road at Quail Lake Golf Course. 438 Comment
  UCR250210  Oncosiphon piluliferum A. C. Sanders 2014-4-23 41060 Riverside Peninsular Range, Temescal Valley, between Temescal Canyon Rd. and I-15, NW of Bernard St. 373 Comment
  UCR260868  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41562 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., lower Horsethief Canyon Wash just above DePalma Rd. crossing, 1/4 mile NW of Horsethief Canyon Rd. junction 375 Comment
  UCR261194  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41716 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  POM313595  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  SD185177  Opuntia littoralis T. B. Salvato, Kent Beaman 2005-5-16 827 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA 74. 548 Comment
  SEINET224227  Opuntia munzii Clarence Bonner 1960-12-25 Riverside Chuckwalla Well, south side, in the Little Chuckwalla Mountains 305 Comment
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Mar 12 2016
  POM306430  Opuntia polyacantha var. erinacea Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  RSA22790  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9422 Riverside Santa Rosa Mountains, 3.5 miles East of Anza, on road to Palms to Pines Hwy. 1220 Comment
  RSA388331  Opuntia vaseyi Steve Boyd 1986-5-7 1833 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  JEPS85947  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4525 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UC68719  Orobanche cooperi H. M. Hall 1905-5-1 5991 Riverside Colorado Desert near Indio; Colorado Desert 30 Comment
  CAS-BOT-BC502861  Orobanche cooperi subsp. cooperi Alice Eastwood 1913-4-30 3108 Riverside Palm Canyon Road, Palm Springs (label is printed San Bernardino County Comment
  RSA0084356  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1922-3-4 1108 Riverside Painted Canyon, near Mecca. Comment
  POM259671  Orthocarpus purpurascens Philip A. Munz 1940-3-22 15659 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA500989  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3108 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC327911  Palafoxia arida H. M. Hall 1902-4-1 2768 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  CDA14250  Palafoxia arida G. F. Hrusa, J. A. Hart 1993-4-4 10597 Riverside Cholla Garden, Joshua Tree N.M. Comment
  UCD134866  Palafoxia arida Dan Axelrod 1932-3-20 s.n. Riverside 8 mi. east of Oasis on Jones Ranch. Comment
  UCD134891  Palafoxia arida Elizabeth Milauskas 1994-5-7 8 Riverside in Palm Springs on the Agua Calinete Indian Reservation. 4 blocks west of Via Monte Vista behind the dam. 161 Comment
  RSA726577  Palafoxia arida var. arida Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Along Palen Road near Hwy 177. 170 Comment
  UC665749  Palafoxia arida var. arida Ira L. Wiggins 1941-3-24 9573 Riverside slopes along eastern side of sea 2.7 mi s Mortmar; Salton Sea Comment
  UC667291  Palafoxia arida var. arida Annie M. Alexander and Louise Kellogg 1941-5-12 2163 Riverside road to Black Eagle Mine Eagle Mountains 670 Comment
  UCR237603  Palafoxia arida var. arida Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4542 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  RSA0040035  Palafoxia linearis W. Marquart 1938-3-12 s.n. Riverside Wiley's Well. Comment
  UC1929469  Panicum acuminatum var. acuminatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR113876  Panicum capillare Mitch Provance, A. C. Sanders 2000-7-4 2085 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR278641  Panicum hirticaule subsp. hirticaule Onkar Singh 2015-11-10 5615 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 100 m south of Hwy I-10, 50 m east of eastern terminus of Chiuckwalla Valley Road 115 Comment
  UC75789  Parietaria hespera var. californica Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA746822  Parietaria hespera var. hespera Michael Honer 2003-4-16 1834 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  CSUSB1138  Parkinsonia aculeata John N. Bullock 1970-5-8 Riverside Twenty meters south of Dillon Road and Berdoo Canyon Road. 30 Comment
  LA45744  Parkinsonia florida Miss Halflaud; March 1925 8734 Riverside Palm Springs Comment
  RSA777762  Parkinsonia florida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1083 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  SEINET10434106 Image available Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8km east of Banning, 30km WNW of Palm Springs, 4km WNW of Cabazon 646 Comment
  RSA0026454  Parkinsonia florida Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Comment
  RSA6980842  Parosela californica J. R. Bruff 1928-10-25 s.n. Riverside Whitewater. Comment
  JOTR29252  Pectis papposa var. papposa La Doux, Tasha 2005-8-17 1533 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  UCR134605  Pectocarya heterocarpa Marisa Sripracha, Kyle Boyd 2004-2-14 028 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR155081  Pectocarya linearis A. C. Sanders, Kelly Volansky 2005-3-17 29222 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
  UCR172283  Pectocarya linearis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA519018  Pectocarya linearis subsp. ferocula George K. Helmkamp 1986-4-7 770 Riverside South of Morongo Valley: First canyon east of and parallel to Hwy 62 north of Indian Ave. B.M. land. 579 Comment
  JOTR35926  Pectocarya penicillata De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA33852  Pectocarya penicillata N. C. Cooper 1944-4-23 1155 Riverside Banning 701 Comment
  RSA543608  Pectocarya penicillata Steve Boyd 1991-5-7 6170 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA594113  Pectocarya penicillata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 919 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
  UCR183178  Pectocarya penicillata Mitch Provance 2003-5-5 4407 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  JOTR30118  Pectocarya platycarpa La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1684 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  RSA709972  Pectocarya platycarpa Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4590 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA778240  Pectocarya platycarpa Duncan S. Bell 2009-3-8 45 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA27347  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA40567  Pectocarya setosa J. C. Roos 1947-4-5 3417 Riverside Pinyon Flats, Santa Rosa Mtns. 1220 Comment
  RSA523484  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3944 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake. Saddle between summits, N slope along rd heading N to Black Hills. 793 Comment
  UC64233  Pedicularis densiflora H. M. Hall 1897-4-17 476 Riverside vicinity of Beaumont Comment
  UC886638  Pedicularis densiflora P. A. Munz 1922-4-29 5117 Riverside 5 mi w of Aguanga 670 Comment
  CAS-BOT-BC69223  Pellaea andromedifolia Winfield 1975-5-4 2361 Riverside Highway 74 mile marker 52 22 914 Comment
  RSA102270  Pellaea mucronata subsp. californica S. B. Parish, W. F. Parish 1881-08 511 Riverside San Jacinto [most likely Mount San Jacinto and not the town of San Jacinto, north of Hemet--SB] Comment
  SDSU3609  Pellaea mucronata var. mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station side and just ENE of weather station. T8S, R3W, NW 1/4 of NW1/4 of section 26. 329 Comment
  UCD89445  Pennisetum clandestinum Marvin Miller 1956-5-1 s.n. Riverside Riverside County. Comment
  RSA507458  Pennisetum setaceum D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
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Dec 20 2009
  UC1951230  Pennisetum setaceum Scott D. White, Justin Wood 2009-4-29 12619 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Seven Palms Valley 7.5' Quad. Comment
  UCR234812  Pennisetum setaceum Jim Andre, Glenn L. Clifton 2011-2-22 17477 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  SFV17402  Penstemon X parishii M. S. Valenzuela, P. Wilson 1998-6-3 68 Riverside Highway 74 near mile marker 73.56. 1220 Comment
  JEPS11205  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside two mi below Kenworthy (San Jacinto Mts.); , Thomas Valley, below Kenworthy 1371 Comment
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Mar 25 2011
  UCR213848  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  JOTR32967  Penstemon clevelandii var. mohavensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2718 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA402125  Penstemon labrosus Christopher Davidson 1978-6-15 7386 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UC27400  Penstemon rostriflorus H. M. Hall June 1901 2302 Riverside trail to S. Jacinto San Jacinto Mountains, trail to S. Jacinto (in canyons of the w side, San Jacinto Mountains, Southern California) 1371 Comment
  JEPS13631  Penstemon spectabilis Peter Kamb 1947-5-17 528 Riverside Banning-Idyllwild road at Vista Grande Ranger Station , Vista Grande Ranger Station (San Jacinto Mts.) 1463 Comment
  RSA653390  Penstemon spectabilis Mitch Provance 1998-6-11 682 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  RSA502512  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3567 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  POM19632  Pentachaeta aurea Mary F. Spencer 1923-7-27 2211 Riverside Fern Valley 1616 Comment
  UC1531133  Pentachaeta aurea Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 52000 Riverside Mesa de Colorado Santa Rosa Plateau (vernal pools and marshes) 609 Comment
  UC21313  Perideridia parishii subsp. latifolia H. M. Hall 1897-8 851 Riverside Tauquitz Valley San Jacinto Mountains (bogs) 2438 Comment
  CAS-BOT-BC77498  Peritoma arborea var. angustata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC77526  Peritoma arborea var. arborea Philip A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  CAS-BOT-BC77530  Peritoma arborea var. arborea Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  CAS-BOT-BC355983  Perityle emoryi D. A. Johansen; J. A. Ewan 1932-4-10 7059 Riverside Mouth of Tahquitz Canyon, western Colorado Desert Comment
  CAS-BOT-BC355990  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  RSA471862  Perityle emoryi Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA480103  Perityle emoryi Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2192 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SD224864  Perityle emoryi G. K. Helmkamp 1998-2-5 2648 Riverside Palm Springs, 1.1 mi. W of CA Hwy 111 on Tramway Rd. 334 Comment
  UCR60773  Perityle emoryi Steve Boyd, O. Mistretta 1986-3-13 1478 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  CAS-BOT-BC419046  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  HSC47320  Petalonyx thurberi R. W. Spjut, Judy Adams 1978-11-22 5237 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  SEINET8729191 Image available Petalonyx thurberi Lewis S. Rose 1938-1 38324 Riverside 6 mi. s. of Cathedral City. 46 Comment
  SBBG4887  Petalonyx thurberi subsp. thurberi M. A. Piehl 1963-9-18 63840 Riverside near US 60, 70, 7.5 mi W of jct with Joshua Tree Mon Rd 373 Comment
  RSA0089266  Petunia parviflora D. E. Bramlet, Fred M. Roberts 2005-6-6 3868 Riverside San Jacinto Valley: San Jacinto River at Sanderson Ave., north of Ramona Expressway. 447 Comment
  UC884703  Petunia parviflora Crawford and Johnston 1917-6-9 1230 Riverside near Corona (Santa Ana River); Santa Ana River Comment
  HSC82749  Peucephyllum schottii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54079 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
  LA203887  Peucephyllum schottii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Box Canyon Comment
  RSA0094189  Peucephyllum schottii Duncan S. Bell, Evan Meyer 2014-10-29 7684 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  SBBG8667  Peucephyllum schottii H. and M. Dearing 1941-4-9 4628 Riverside Palms to Pines Hwy Comment
  SEINET10801063  Peucephyllum schottii David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3700 Riverside Pushawalla; growing in the wash. Indio Hills, Colorado Desert. Comment
  RSA426009A  Phacelia ambigua H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert between Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  RSA550277  Phacelia ambigua Walter Wisura, J. Dolan, M. Wall 1992-3-24 4619 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA79154  Phacelia ambigua P. A. Munz, Percy C. Everett 1952-5-2 16250 Riverside 2 miles west of Desert Hot Springs. 183 Comment
  RSA487229  Phacelia brachyloba James L. Reveal, C. Rose Broome 1987-6-27 6607 Riverside San Jacinto Mtns, along California Hwy 243, 1.8 miles N of Mountain Center and 2.7 miles S of Idyllwild. 1494 Comment
  RSA26282  Phacelia campanularia subsp. vasiformis Reid V. Moran 1941-5-5 856 Riverside Cottonwood Pass, Eagle Mtns. Comment
  UCR213444  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37832 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA593695  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8631 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  HSC28423  Phacelia crenulata Richard Spjut 1973-4-6 3269 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  UCR107225  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2187 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA426211B  Phacelia distans N. C. Cooper 1949-4-8 3309 Riverside Desert Center. 610 Comment
  SD217310  Phacelia distans Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 938 Riverside Northwest Palomar Mountains; northwest foothills of Dorland Mountain, south end of Los Caballos Road, University of California-Emerson Oaks Reserve. 448 Comment
  UC1069256  Phacelia distans H. S. Yates 1937-3-23 6393 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  UC667341  Phacelia distans Annie M. Alexander and Louise Kellogg 1941-5-7 2135 Riverside Split Rock Joshua Tree National Monument 1310 Comment
  UCR201488  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR164936  Phacelia imbricata T. B. Salvato, John F. Green 2004-5-27 620 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC145044  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  RSA757619  Phacelia minor LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4339 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
  SFV4383  Phacelia minor F. M. Ball 1964-1-4 66 6 Riverside San Bernardino Mountains Whitewater Canyon. About 1 mile north of main Banning to Indio Highway (16 miles east of Banning). East-facing slope. 475 Comment
  RSA550341  Phacelia minutiflora Walter Wisura, John Dolan, M. Wall 1992-3-25 4647 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  RSA4922  Phacelia neglecta Carl B. Wolf 1932-4-28 3089 Riverside Mesas at western edge of Maria Mts, eastern Colorado Desert, 17 miles from Blythe on the Rice road. 152 Comment
  RSA699573  Phacelia parryi Kenneth Beard 1934-04 s.n. Riverside Hills along Ortega Highway, south of San Juan Hot Springs Comment
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Oct 31 2011
  CAS-BOT-BC145002  Phacelia ramosissima var. latifolia Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  UC64049  Phacelia ramosissima var. latifolia H. M. Hall June, 1901 2284 Riverside in vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  SEINET10389802  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UCR251303  Phalaris minor T. B. Salvato, Matthew Malle 2014-4-8 7828 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  UCR91871  Phalaris minor A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18044 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UC23902  Phlox austromontana H. M. Hall May 1899 1168 Riverside Coyote Canyon San Jacinto Mts., El Toro Mt. 1645 Comment
  UC52482  Phlox austromontana H. M. Hall 1897-5-19 553 Riverside Thomas Valley San Jacinto Mts. 1371 Comment
  JOTR35431A  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA543912  Pholisma arenarium Steve Boyd 1991-5-20 6277 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  POM128392  Pholistoma auritum Thomas Craig 1927-4-23 217 Riverside Glen Ivy. Comment
  CAS-BOT-BC135072  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  LA209835  Phoradendron californicum F. M. Scott; April 1928 sn Riverside Thousand Palms Comment
  RSA27714  Phoradendron californicum C. Leo Hitchcock 1940-4-2 5917 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  UCR95733  Phoradendron californicum L. C. Wheeler 1956-2-25 7176 Riverside Sonoran (Colorado) Desert, Deep Canyon, south of Palm Desert Comment
  OBI75817  Phoradendron californicum var. leucocarpum Robert F. Hoover 1966-10-15 10165 Riverside Dead Indian Cyn Comment
  UCR94061  Phoradendron densum Duayne Haselfeld 1996-7-2 4264 Riverside San Jacinto Mtns., Pinyon Flat Area, north of Hwy 74, c. 10 road miles east of jct. w/ Hwy 371. W facing slope of Sugerloaf Mtn. and adjacent valley 1400 Comment
  LA209888  Phoradendron leucarpum subsp. tomentosum Norman C. Cooper; 1944-7-16 1386 Riverside San Jacinto Mountains, Pine Cove Comment
  SBBG113411  Phoradendron leucarpum subsp. tomentosum D. Wilken with E. Painter 2000-11-4 15868 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  UCD102236  Phoradendron leucarpum subsp. tomentosum A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy. 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza. 1441 Comment
  RSA588662  Phoradendron macrophyllum D. L. Banks, Steve D. Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 488 Comment
  RSA543132  Phoradendron villosum Steve D. Boyd, C. Boyd, K. A. Boyd 1991-3-16 5466 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  CLARK-A1528-4360  Physalis crassifolia John C. Roos 1947-2-1 3228 Riverside Painted Canyon Comment
  SD227911  Physalis crassifolia B. Pitzer 1998-1-24 3381 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
  CAS-BOT-BC478190  Pinus halepensis A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side if I-15, between Horse Thief Canyon Road and Hostettler Road 395 Comment
  UC1612275  Pinus lambertiana H. M. Hall 2319 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  UCSB82  Pinus lambertiana Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  MACF014860  Pinus monophylla Lanny Southard 1964-12-8 13 Riverside Growing along Palms to Pines Highway 1219 Comment
  CAS-BOT-BC72837  Pinus quadrifolia B. D. Stark 1931-8-29 1324 Riverside Vandeventer Flat, San Jacinto Mts. 1371 Comment
  SBBG39789  Pinus quadrifolia J. T. Howell 1960-3-24 35150 Riverside rd to Anza just S of Palm to Pines Hwy 1463 Comment
  UCR42745  Pinus quadrifolia A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6471 Riverside San Jacinto Mtns., N side of Garner Valley, 1.9 mi north of Hwy 74 on Morris Ranch Road. 1372 Comment
  UCSB141  Pinus quadrifolia Zellhoefer, Judi 1960-5-15 Riverside 0.2 miles west of Highway 74, 5.8 miles east of Anza Comment
  UC2029937  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR153486  Plagiobothrys acanthocarpus Steve Boyd, Ian G. Gillespie 2000-4-15 10301 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Gavilan Hills region: S flank of Alberhill Mtn, just east of the heavily mined area 463 Comment
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Mar 24 2007
  CAS-BOT-BC257635  Plagiobothrys canescens A. C. Sanders; Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  SD234339  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murietta Region: SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds and S of Murrieta Hot Springs Rd, side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 106 Comment
  UCR112562  Plagiobothrys canescens A. C. Sanders 1998-3-11 21694 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  UCR140313  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR172189  Plagiobothrys canescens John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCSB45601  Plagiobothrys canescens Roos, John 1952-4-16 Riverside Pigeon Pass, Box Springs Mts. 396 Comment
  SEINET244317  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 366 Comment
  UCR116666  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-5-10 24232 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR230784  Plagiobothrys collinus A. C. Sanders, Nathan Moorhatch 2011-3-22 38782 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, 0.61 km east of Hwy 74, south of Ethanac Rd. 503 Comment
  HSC85416  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-9 1389 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  UC1537688  Plagiobothrys collinus var. californicus Gordon H. True Jr. 1935-2-20 9 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR20732  Plagiobothrys collinus var. californicus A. C. Sanders, Steve Boyd 1980-5-2 1406 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM13639  Plagiobothrys collinus var. fulvescens P. A. Munz 1922-6-30 5912 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR241828  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-3 40764 Riverside Peninsular Range, Temescal Canyon SE of Horsethief Canyon Rd, and just west of I-15 Fwy, SE of Corona (Lee) lake 392 Comment
  UCR111996  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2000-5-25 23421 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR201615  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-6-18 12242 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA234043  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-19 37972 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  RSA234044  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-12 37931 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR85533  Plantago elongata A. C. Sanders 1993-4-5 13695 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA678420  Plantago erecta Michael Wall 2003-4-15 271 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  SD137693  Plantago erecta Darin L. Banks 1995-5-9 328 Riverside NW Palomar Mountains N. of the Agua Tibia Wilderness Area. N. slope of agua Tibia Mtn. The Dorland Mtn area, W. of the dripping Springs Alcove Area, W of Woodchuck Campground. 730 Comment
  SD239885  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLauglin Road, west of Murrieta Road, north of Sun City (Romoland 7.5'Q) 438 Comment
  SDSU13316  Plantago erecta Shawn Johnston, Calif. Taxonomy Class spring 2000 2000-4-1 9 Riverside Santa Margarita Ecological Reserve North end. Comment
  SEINET7063423  Plantago erecta A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore. UTM Zone 11, 471878mE, 3726288mN. (WGS84/NAD83). 469 Comment
  UCR97651  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19938 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  POM308154  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2921 Riverside 10 miles east of Indio. Comment
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  POM98814  Plantago ovata var. fastigiata P. A. Munz 1926-1-31 9978 Riverside Dos Palmas Spring Comment
  UCR201435  Plantago patagonica Scott D. White, Justin M. Wood 2008-6-17 12193 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  LA206292  Platystemon californicus K. Watkins; Elizabeth McClintock 1937-4-9 sn Riverside Hemet road near Winchester turnoff Comment
  RSA5016  Platystemon californicus Dorothy R. Wolf 1932-3-20 16 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UC50136  Platystemon californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  UCR102894  Platystemon californicus var. californicus A. C. Sanders 1997-3-26 20102 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  SBBG123195  Plecostachys serpyllifolia R. E. Riefner 2008-12-16 08 -369 Riverside Pechanga Parkway at Pechanga Resort Drive; Temecula 338 Comment
  POM192667  Pleuraphis rigida Marcus E. Jones 1929-9-16 24755 Riverside East of Desert Center. Comment
  JOTR36086  Pleurocoronis pluriseta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3313 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  RSA676058  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 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
  CAS-BOT-BC326546  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  UC829264  Pluchea sericea Louis C. Wheeler 1932-7-9 940 Riverside 3 mi below Prado; Santa Ana River Canyon 152 Comment
  UC69338  Poa H. M. Hall 1899-5-22 1137 Riverside Johnston's Ranch 1524 Comment
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Mar 27 2016
  UCR182101  Poa annua Tom Chester 2006-3-9 870 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Hidden Valley Road, immediately south of Cole Creek crossing that is 0.38 miles (0.61 km) south of Tenaja Road 582.3 Comment
  POM47179  Poa bigelovii Mary F. Spencer 1920-4-7 1553 Riverside Palm Canyon. 213 Comment
  RSA801723  Poa howellii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6168 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
  POM298883  Poa secunda Frank W. Gould 1944-4-5 2235 Riverside 17 mi. east of Temecula. Comment
  RSA334887  Poa secunda A. C. Sanders, Steve Boyd 1980-4-17 1340 Riverside Pine Meadow in upper Garner Valley, along Hwy 74, 0.7 mi. E of junction with Hwy 371. 1524 Comment
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Sep 10 2011
  UCR126381  Poa secunda A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 690 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR133398  Poa secunda Tracy Tennant, J. S. Ross 1998-5-7 MOR- 109 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR177175  Poa secunda Scott D. White, Michael Honer 2003-4-25 9122 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  SEINET949798 Image available Poaceae Michael L. Fugate 2007-1 Riverside San Bernardino Valley: Riverside at 1469 Claymore Court, just east of Sycamore Canyon (Riverside East 7.5' Q). 488 Comment
  RSA571317  Polycarpon depressum Steve Boyd, D. L. Banks 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR93498  Polygonum aviculare Scott D. White, S. Ogg 1994-10-17 2502 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  CLARK-A1528-3788  Polygonum lapathifolium Art Whistler 1966-5-18 8 Riverside University of California Comment
  UC56641  Polygonum lapathifolium H. M. Hall Aug. 1901 Riverside Vicinity of Riverside 304 Comment
  IRVC166  Polystichum imbricans subsp. curtum Pat Rolfe 1965-4-24 HS 554 Riverside Lake Elsinore. Southern Coastal Comment
  RSA735355  Populus fremontii Keith E. Hoffmaster 1937-3-16 746 Riverside Near Palm Springs Station Comment
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Aug 27 2011
  LA203859  Porophyllum gracile Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9537 Riverside Cottonwood Mountains, 2 mi. from Cottonwood Springs Comment
  RSA487824  Portulaca oleracea A. C. Sanders 1988-11-6 8738 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of it s junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  RSA544379  Portulaca oleracea Steve Boyd, Timothy S. Ross 1991-6-14 6394 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
  UCR59660  Potamogeton pusillus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3542 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  UCR35170  Potentilla gracilis L. B. Ziegler 1967-8-3 213 Riverside San Jacinto Mtns., May Valley area of Upper Herkey Creek 1555 Comment
  UCR242297  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40423 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA0105950  Prosopis glandulosa var. torreyana Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA522100  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross 1989-8-28 3793 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  UCR123756  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 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
  POM257189  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles east of Blythe, Palo Verde Valley 76 Comment
  RSA453217  Prunus emarginata N. C. Cooper 1945-5-24 1665 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SD229261  Prunus fremontii Dick Schwenkmeyer 2013-6-11 917 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  SD73396  Prunus fremontii Nancy Ryan Zabriskie, Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road 487 Comment
  SDSU9170  Prunus fremontii A. H. Gallup 1949-3-28 356 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], north slope 762 Comment
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Jan 30 2013
  RSA516750  Prunus ilicifolia Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR117330  Prunus ilicifolia subsp. ilicifolia Mitch Provance 1998-6-11 656 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  UCR92194  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter L. Morrell 1995-5-4 0298 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of the Dripping Springs Alcove Area, a;ong the Woodchuck Trail 549 Comment
  RSA263880  Psathyrotes ramosissima C. W. Tilforth 1976-7-20 1212 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert. Comment
  SD27951  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside 5.0 miles east of Mecca, on Blythe Road. 99 Comment
  SEINET3005043  Psathyrotes ramosissima G. Rink 2011-4-25 10479 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  UCR48497  Pseudognaphalium biolettii Steve Boyd 1985-12-25 1197 Riverside Peninsular Range, Gavilan Hills; W side of Steele Valley in SCE Transmission Line Corridor 762 Comment
  UCR250192  Pseudognaphalium leucocephalum A. C. Sanders 2014-4-8 40989 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.6 km SE of I-15 crossing 313 Comment
  RSA500200  Pseudognaphalium luteoalbum Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-5-7 3544 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SBBG95151  Pseudognaphalium microcephalum S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UC62971  Pseudognaphalium thermale H. M. Hall 1897-8-1 835 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCR281249  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 37 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  UCR18662  Psilocarphus brevissimus var. brevissimus John C. Roos 1952-4-30 5601 Riverside Edgemont, near Box Springs 488 Comment
  POM13050  Psilostrophe cooperi P. A. Munz, D. D. Keck 1922-4-12 4848 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  UCR114739  Psilotum nudum A. C. Sanders, J. M. DiTomaso 2000-7-12 23587 Riverside San Bernardino Valley, Riverside: UCR campus, along East Campus Drive beside greenhouses at intersection with Eucalyptus Drive 335 Comment
  UCR144127  Psorothamnus arborescens var. simplicifolius Scott D. White 2001-4-18 8357 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  CAS-BOT-BC353619  Psorothamnus emoryi B. D. Stark 1932-6-15 3731 Riverside Whitewater, road to Indio, Colorado Desert 152 Comment
  CAS-BOT-BC353640  Psorothamnus emoryi Blanche Trask 1916-4-15 s.n. Riverside flats above Salton Sea Comment
  RSA48326  Psorothamnus emoryi E. K. Balls 1949-4-4 129060 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  UC1129831  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside 2 mi s Willis Palm; Thermal Quad., s of Willis Palm Comment
  UCR136897  Psorothamnus emoryi Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  RSA0127784  Psorothamnus emoryi G. Rink 2013-3-29 11920 Riverside About ten miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. 110 Comment
  LA205162  Psorothamnus fremontii var. fremontii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash near Banning Comment
  CAS-BOT-BC340894  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 a Riverside Palm Canon [Canyon] Road to Palm Springs Comment
  RSA167563  Psorothamnus schottii Robert F. Thorne, R. Rutherford 1964-4-12 33655 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
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Apr 25 2011
  SDSU5217  Psorothamnus schottii A. H. Gallup 1949-3-28 398 Riverside On Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], Pacific drainage area, San Jacinto Mt. Range 152 Comment
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Jan 30 2013
  SEINET3407818 Image available Psorothamnus schottii Richard Walker 1967-4-30 80 Riverside Adjacent to outside of fence ca. 400ft East of North entrance to U of Califronis Desert Research Station, Palm Desert. 244 Comment
  UC372911  Psorothamnus spinosus Marcus E. Jones 1926-6-8 Riverside Palm Springs Comment
  SEINET8713957 Image available Pteris aquilina Jean Coulson 1959-1 s.n. Riverside San Jacinto Mts. Riverside CountyCalifornia 4 mi. N of Pine Grove on Fork of San Jacinto, Ele. 5000 ft. , On Banning road. 100 yds up stream. Comment
  CAS-BOT-BC421258  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  HSC82996  Pterostegia drymarioides N. M. Fellows, A. C. Sanders 1985-4-9 125 Riverside Oasis de los Osos TNC Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., 1 mi. W of Snow Creek Village 489 Comment
  POM13039  Pterostegia drymarioides P. A. Munz, D. D. Keck 1922-4-13 4948 Riverside Eagle Mountains. 244 Comment
  RSA180247  Pterostegia drymarioides E. W. Lathrop 1965-5-23 5765 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  RSA180371  Pterostegia drymarioides E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta. Comment
  RSA784661  Pterostegia drymarioides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 68 Riverside South main divide road splitting Comment
  RSA736652  Pulicaria paludosa Justin M. Wood 2008-7-16 34 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  CAS-BOT-BC516759  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands: W of Beaumont, just E of jct of 60 Fwy and Jackrabbit Trail, off frontage road deadend 716 Comment
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Jan 17 2018
  UCR266607  Quercus Mitch Provance 2009-9-10 17426 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  UCR273238  Quercus Mitch Provance 2012-1-25 17374 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  RSA339327  Quercus X munzii Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53573 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line, near jnc od road to Split Rock and 29 Palms; Valley W of Pinto Mountains. Sandy wash at Live Oak Tank. 1326 Comment
  UCSB1217  Quercus X munzii Muller, Cornelius 1952-3-23 Riverside Live-oak Tank, Joshua Tree National Monument Comment
  SD193294  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside Valley Hi County Park off Highway 243 and Twin Pines road at McMullen Flat. 1189 Comment
  UCD59759  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR273001  Quercus berberidifolia Mitch Provance 2012-9-13 912- 01 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  UCR273029  Quercus berberidifolia Mitch Provance 2012-1-25 17377 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  UCR273038  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  UCSB1263  Quercus chrysolepis Lauter, Wolfgang 1960-5-15 Riverside Pinyon Flats Campground, Palms to Pines highway 1219 Comment
  UCSB34696  Quercus chrysolepis Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.9 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  JEPS37321  Quercus cornelius-mulleri W. L. Jepson 1914-5-18 6001 Riverside n of Indio (canyon at Pinyon Well); Mohave Desert, Pinyon Well Comment
  RSA192356  Quercus engelmannii E. W. Lathrop 1965-9-22 6028 Riverside 8 miles west of Murrieta. Comment
  CAS-BOT-BC105322  Quercus kelloggii Carl B. Wolf 1932-8-6 3992 Riverside San Jacinto Mts., Strawberry Valley, base of Dveil's Slide Trail to Tahquitz Valley 1706 Comment
  CAS-BOT-BC105327  Quercus kelloggii H. E. McMinn 1925-7-2 1499 Riverside Tahquitz Trail to Tahquitz Pk., San Jacinto Mts. Comment
  UC848095  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR20841  Quercus palmeri A. C. Sanders, Steve Boyd 1980-4-17 1345 Riverside San Jacinto Mtns, Palms to Pines Hwy, just west of junction with road to Anza 1463 Comment
  UCR231040  Quercus wislizeni A. C. Sanders, Kent Beaman 2011-9-27 39920 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 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
  UCR54519  Quercus wislizeni A. C. Sanders, E. J. Lawlor 1988-10-22 8721 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  JOTR30996  Rafinesquia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1318 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  UCD135331  Rafinesquia californica E. W. Lanthrop 1966-5-8 6405 Riverside Santa Ana Mountains. 3 miles southwest of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
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Aug 26 2014
  UCR180107  Rafinesquia californica Mitch Provance 2003-4-26 9899 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
  JOTR28944  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1180 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA516898  Rafinesquia neomexicana Steve Boyd, Orlando Mistretta 1986-3-13 1417 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SD258339  Rafinesquia neomexicana J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24401 Riverside Grommet; 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
  POM13856  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 miles NW of Corona 213 Comment
  UCR199761  Ranunculus sceleratus Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10691 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA33888  Raphanus sativus N. C. Cooper 1944-4-22 1151 Riverside Banning. 762 Comment
  RSA7214  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  UCR120946  Rhamnus crocea A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24917 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA0018313  Rhamnus crocea Keith E. Hoffmaster 1937-6-6 764 Riverside Near Valle Vista. Comment
  RSA643450  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. 1189 Comment
  UCR101449  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22226 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  UCR89902  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  POM17819  Rhamnus tomentella subsp. cuspidata P. A. Munz, D. D. Keck 1923-6-14 7081 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  RSA305624  Rhamnus tomentella subsp. cuspidata C. W. Tilforth, Walter Wisura 1979-10-11 1911 Riverside Along hiway 243 ca. 16 mi. south of Banning at turnoff to Bay Tree Flats Campground. 1524 Comment
  UC18585  Rhamnus tomentella subsp. cuspidata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA787602  Rhododendron occidentale C. H. Tingley 1927-1 741 Riverside San Jacinto Mountains. Comment
  RSA79404  Rhododendron occidentale Percy C. Everett, L. W. Lenz, E. K. Balls 1952-7-1 17275 Riverside Fuller Mill Creek, 2.4 miles south from Lake Fulmore. 1372 Comment
  CAS-BOT-BC170527  Rhus aromatica Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC200732  Rhus aromatica A. C. Sanders; J. Goetzen 1996-5-1 18138 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  UCD116881  Rhus aromatica Ted C. MacRae 1995-5-26 43 b Riverside Santa Rosa Mts., Pinyon Flats Cpgd., 15.5 mi S Palm Desert. 1219 Comment
  JEPS66261  Rhus ovata W. L. Jepson 1939-4-17 19135 Riverside near Twin Springs (n end Temescal Canyon); Temscal Canyon 274 Comment
  RSA696479  Rhus ovata 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
  SFV2147  Rhus ovata F. L. McPherson 1959-5-9 Riverside Coastal Sage community southeast of Banning, on northeast slope of mountain. Comment
  RSA234086  Rhus trilobata var. anisophylla R. F. Thorne, E. Lathrop 1969-6-6 39324 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  UC1127366  Ribes amarum A. Lewis Mar 1934 352 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quadrangle Comment
  UC484124  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside near Corona (Hidden Canyon); Santa Ana Mts. Comment
  UC69248  Ribes lasianthum H. M. Hall 1897-3-20 401 Riverside Gavilan Mts. Comment
  UCR106065  Ribes malvaceum A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  RSA3114  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2643 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  UC219170  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  RSA736851  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR17072  Rorippa curvisiliqua James K. Ryan 1969-6-1 111 Riverside City of Riverside, University of California Riverside [UCR] campus, in front of Bachelor Hall 335 Comment
  CAS-BOT-BC147543  Rosa californica I. M. Johnston 1918-5-30 1992 Riverside Temescal [Canon] Canyon (between Elsinore & Corona) 365 Comment
  POM17512  Rosa californica Philip A. Munz 1923-6-18 7126 Riverside Temecula Canyon. Comment
  RSA708220  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  POM11501  Rubus parviflorus Philip A. Munz 1922-7-6 6028 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  UCR1486  Rubus ursinus R. L. Irwin 1962-4-21 0032 Riverside c. 0.2 mile west of Lake Evans, Riverside 244 Comment
  UCR199625  Rubus ursinus Scott D. White 2004-4-26 10260 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  CAS-BOT-BC433322  Rumex crispus A. J. Mc. 1892-5-1 s.n. Riverside Elsinore Comment
  UCR262248  Rumex crispus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3735 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR113561  Rumex obtusifolius Mitch Provance 2000-4-8 2217 Riverside Jurupa Mountains, Belltown, SW side of Market St (Crestmore Rd.) at Bell Ave. 259 Comment
  SD123916  Rumex violascens Barry A. Prigge 1980-12-15 4126 Riverside Coachella Valley stormwater channel: 3.5 mi S of Mecca. -68 Comment
  UC445  Ruppia cirrhosa A. J. McClatchie May 1892 42 Riverside near Elsinore (Salt Lake); Salt Lake Comment
  RSA586307  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0218 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA586918  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0253 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA401571B  Salazaria mexicana Jeannette B. Edge 1934-3-30 s.n. Riverside Morongo Valley. 762 Comment
  CLARK-A1528-834  Salix Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  CAS-BOT-BC129745  Salix bonplandiana Lathrop; Thorne 1967-9-26 6668 Riverside Lome Linda, 4 mi. NW of Murrieta Comment
  RSA586101  Salix gooddingii D. L. Banks, Steve D. Boyd 1995-4-5 141 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, W of the Dripping Springs Trail. 659 Comment
  SBBG58907  Salix gooddingii C. B. Wolf 1932-4-28 3085 Riverside near State Inspection Station, on way to Blythe Bridge; overflow land of Colorado River, about 800 m from State Inspection Station 90 Comment
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Mar 26 2011
  UCR232072  Salix gooddingii John F. Green 2008-4-22 04- 03 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  JOTR36478  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  SD144435  Salix lasiolepis Andy C. Sanders 1996-4-24 18091 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1096 Comment
  UCR3335  Salix lasiolepis T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mountains, North Mountain [=Mt. Edna?] c. 5 mi south on Old Banning-Idyllwild Rd. 976 Comment
  RSA0035638  Salix lasiolepis Phil Elliott 1981-2-16 9 Riverside On Santa Rosa Road, 3.9 miles west of CA Hwy. 74. Comment
  JEPS38361  Salix scouleriana W. L. Jepson 1903-8-6 2277 Riverside Dark Canyon San Jacinto Mt., Dark Canyon 1524 Comment
  UCR35143B  Salsola australis L. B. Ziegler 1976-6-20 550 B Riverside San Jacinto Valley 473 Comment
  RSA444943  Salsola tragus N. C. Cooper 1943-10-9 945 Riverside Hemet. 305 Comment
  UCR274304  Saltugilia australis T. B. Salvato, Melissa Clemons 2005-6-6 1424 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  SEINET3859080  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 -GH Riverside Pinyon Flats. Pinyon Drive, off of Hwy 74 past the Pinyon Flats Campground, after road turns left, 1/2 way between Palm Canyon Drive and Jeraboa Road. About 100-200 yards off the road on the N side around a rocky outcrop. Area under development and site may one day have a house on it.; 0 1261 Comment
  RSA411367  Salvia carduacea C. Epling, Joseph A. Ewan 1933-5-12 7600 Riverside Near Aberhill, Temescal Canyon. Comment
  RSA411380  Salvia carduacea C. Epling 1932-5-28 s.n. Riverside Perris-Hemet. Comment
  JOTR29088  Salvia columbariae La Doux, Tasha 2005-3-30 1205 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA401477  Salvia columbariae Gale Sphon 1955-4-2 s.n. Riverside Perris. Comment
  RSA703400  Salvia columbariae LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1452 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SEINET11191806  Salvia columbariae Daphne Christopher, Stevens, Hannah 2003-4-3 78 Riverside Motte Rimrock Reserve Comment
  UCSB9265  Salvia columbariae Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  JOTR00903  Salvia columbariae Sipe, Frank 1958-3-7 225 Riverside Joshua Tree National Park. PINTO BASIN Comment
  SEINET13947346 Image available Salvia columbariae Cameron Duncan 1966-1 s.n. Riverside 1/2 mi N of the Corner of Robers and Woods roads in Woodcrest (near Riverside); about 1800 ft alt. 549 Comment
  RSA446317  Salvia greatae E. C. Jaeger 1930-2-26 s.n. Riverside Salt Creek Wash, above Dos Palmos, Colorado Desert. Comment
  RSA314158  Salvia vaseyi Walter Wisura 1983-7-9 3915 Riverside 5.4 mi from the junction with Hwy 111 along Hwy 74. Comment
  POM259108  Sambucus mexicana P. A. Munz 1938-8-14 15368 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  RSA359518  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR144752  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  RSA471473  Sanicula crassicaulis N. C. Cooper 1944-6-4 1368 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  RSA471474  Sanicula crassicaulis N. C. Cooper 1947-4-5 2044 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR34989  Sanicula tuberosa L. B. Ziegler 1970-5-14 403 Riverside San Jacinto Mtns, above Hemet Valley on flat top of Pleistocene alluvium 1585 Comment
  JOTR32907  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2009-3-10 11250 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  SEINET3004999  Sarcostemma hirtellum G. Rink 2011-4-4 10427 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  RSA783588  Saxifraga californica M. Wall 2011-4-2 599 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 6.5 miles east of jct. with Fairview Ave. 758 Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA0106763  Schismus barbatus Duncan S. Bell, Amanda Turek 2009-3-29 138 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  RSA653143  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills., [UTM 10km cell: MH-9E, 1N. Skinner Reservoir] 549 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
  SJSU1758  Schismus barbatus G. B. Youngberg 1956-3-30 220 Riverside among hills near La Sierra College, Arlington 228 Comment
  UCD93254  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR60235  Schismus barbatus R. F. Thorne, M. Z. Thorne 1973-3-30 42683 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
  CAS-BOT-BC111575  Schoenoplectus americanus W. I. Follett; E. B. Follett 1966-4-20 s.n. Riverside Pond east of Dos Palmas Spring. Comment
  SEINET3913622  Scirpus americanus Faulkner 1978-4-27 502 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  UC574975  Scirpus maritimus C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  UCR235088  Scirpus maritimus A. C. Sanders, John F. Green 2012-5-27 40208 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  UCR92354  Scirpus robustus Scott D. White, S. Ogg 1994-10-17 2501 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  RSA0024700  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  RSA544386  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross 1991-6-14 6401 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  CHSC109261  Scutellaria bolanderi subsp. austromontana Scott D. White; Justin M. Hood 2008-7-9 12414 Riverside San Jacinto Mountains; Johnson Meadow. 1451 Comment
  UCR195125  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35957 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  CAS-BOT-BC341108  Scutellaria mexicana Ivan Johnston 1917-4-4 1115 Riverside Palm Canyon Comment
  LA102320  Scutellaria mexicana John C. Roos; 1958-9-27 sn Riverside Santa Rosa Mountains, Carrizo Creek near Black Hill 914 Comment
  LA55077  Scutellaria mexicana James Lauter; 1953-5-25 sn Riverside 11 mi. S of Indio-Palm Springs Highway on US Hwy 74 1219 Comment
  UC1713652  Scutellaria siphocampyloides Elizabeth McClintock 1940-7-21 Riverside near Santa Rosa Springs; Santa Rosa Mountains Comment
  UCR35331  Scutellaria siphocampyloides L. B. Ziegler 1965-6-8 54 Riverside San Jacinto Mtns., Hemet (Thomas/Garner) Valley, side canyons of the valley 1448 Comment
  UCR211727  Secale cereale Fred M. Roberts 2005-5-19 6204 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  RSA125964  Selaginella bigelovii E. K. Balls, Percy C. Everett 1957-11-4 22754 Riverside Snow Creek, near old Fish Hatchery and through wash. 701 Comment
  UCR260607  Senecio aphanactis O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UC35949  Senecio californicus E. L. Koethen April 1897 18 Riverside Plains Comment
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Mar 12 2011
  POM319672  Senecio flaccidus var. douglasii Patricia Wilder 1971-9-29 5264 Riverside Base of San Jacinto. Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. 518 Comment
  RSA472989  Senecio flaccidus var. douglasii I. W. Clokey 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  JOTR01288  Senecio flaccidus var. monoensis Cole, James E. 1941-5-21 754 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  CAS-BOT-BC364132  Senecio mohavensis John Thomas Howell 1928-3-24 3527 Riverside Painted Canon [Canyon], Colorado Desert Comment
  RSA703815  Senecio mohavensis LeRoy Gross 2005-3-3 1592 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR269865  Senecio mohavensis A. C. Sanders, Jim Malusa 2016-3-18 42360 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR279503  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-27 43106 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
  RSA0117857  Senegalia greggii Sarah J. J. De Groot, Rachel Darney-Lane 2016-6-14 7905 Riverside Whitewater Canyon: along the Pacific Crest Trail ca. 0.7 air miles south of Red Dome, ca. 1.1 trail miles north-northwest of Whitewater Preserve. West of Whitewater River. 737 Comment
  UCD108465  Senegalia greggii R. Tofsrud 1950-4-1 s.n. Riverside 15 miles N of Blythe, Hwy. 95. Comment
  SFV7916  Senna armata T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1279 Riverside Along roadside at Chiriaco Summit. 521 Comment
  SD129359  Senna obtusifolia Les Ede 1989-8-19 Riverside South of Blythe in the Palo Verde Valley, ca 1 mile north of the Imperial County line; in cotton fields at Norton Farms Comment
  UCR182434  Sesuvium verrucosum Mitch Provance 2005-5-17 6585 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UC1132945  Setaria viridis H. S. Yates 1936-8-29 6373 Riverside Idlewild San Jacinto Quad., Idlewild Comment
  RSA0001999  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mts., Elsinore Peak area south of Lake Elsinore, on Onion Hill, a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 1012 Comment
  RSA773660  Sidalcea malviflora Duncan S. Bell, Joy England 2010-5-20 1023 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCR102845  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR138762  Sidalcea malviflora Scott D. White 1997-5-18 5166 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  RSA0028792  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-5-20 1240 Riverside Palms to Pines Highway. 1433 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
  RSA586798  Silene antirrhina D. L. Banks, Steve Boyd 1995-5-3 0236 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR146131  Silene parishii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1443 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCR201999  Silene verecunda 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
  UCR25035  Silene verecunda A. C. Sanders 1980-7-18 1646 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA506436  Silene verecunda subsp. platyota Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  RSA627511  Silene verecunda subsp. platyota Scott D. White, Julie Greene 1998-8-1 6960 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  CAS-BOT-BC205632  Simmondsia chinensis James R. Shevock 1986-3-23 11354 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
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