Search Results — 2000 specimen records retrieved (1900 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229355  Abronia villosa F. O. Ballou 1926-2-25 s.n. Riverside Indian Wells Comment
  RSA0040167  Abronia villosa Sarah J. De Groot, April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  SEINET893716  Abronia villosa Norman C. Cooper 1944-1 994 Riverside Cabazon, Riverside Co. 457 Comment
  UC7620  Abronia villosa H. M. Hall 1901-6-1 2166 Riverside San Jacinto Mountains, Thomas Valley 1371 Comment
  UC851656  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside n Indio Comment
  POM729  Abronia villosa var. aurita I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA461185  Abronia villosa var. aurita H. de Forest 1924-3-28 s.n. Riverside Palm Springs. Comment
  RSA69958  Abronia villosa var. aurita F. W. Peirson 1922-4-21 3340 Riverside Hemet Valley 1357 Comment
  RSA461200  Abronia villosa var. villosa H. de Forest, Dr. Freda Detmers 1933-3-24 17154 Riverside Between Beaumont and Banning, roadside just beyond San Gorgonio Pass Comment
Read comments
Mar 9 2011
  UCR40263  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  RSA683199  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  CLARK-A1528-459  Acacia greggii Charlotte Stocks 1964-6-15 Riverside Rancho Mirage Comment
  RSA592688  Acacia greggii var. arizonica Scott D. White, Duayne Haselfeld 1996-7-2 4272 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD121846  Acamptopappus sphaerocephalus C. H. Muller 1952-5-20 Riverside Whitewater Canyon Comment
  SD186059  Acamptopappus sphaerocephalus Mitch Provance, J. S. Ross 1998-3-27 MOR 957 Riverside Morongo Indian Reservation, road to Lion Canyon, ca. 1.0 mile northeast of the town of Cabazon. 579 Comment
  RSA93730  Acamptopappus sphaerocephalus var. sphaerocephalus F. W. Peirson 1927-4-11 7154 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  POM11903  Acer negundo subsp. californicum Philip A. Munz 1922-6-24 5804 Riverside Hemet Valley, San Jacinto Mountains, occasional along upper parts of Pipe Creek 1585 Comment
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May 28 2011
  CAS-BOT-BC20351  Achillea millefolium P. Raven; R. Snow 1957-7-26 11108 Riverside Meadow just below Vista Grande Ranger Station, Banning - Idyllwild road, San Jacinto Mts. Comment
  RSA752817  Achillea millefolium A. C. Sanders, Tim Thomas 2008-8-1 35955 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  CAS-BOT-BC218712  Achnatherum coronatum Carl B. Wolf 1932-5-25 3694 Riverside 1/4 mo. SW of summit of Moreno Grade, Bad Lands, SW of Beaumont 670 Comment
  SEINET7593330 Image available Achnatherum coronatum Mary F. Spencer 1921-1 Riverside Near Banning 701 Comment
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  SEINET1909743 Image available Achnatherum hymenoides Sarah De Groot 2005-1 5074 Riverside Inyo Mountains: Badger Flat near and of Mazourka Canyon Road, NW part of range. 366 Comment
  CAS-BOT-BC384725  Achyronychia cooperi Roxana S. Ferris 1918-6-14 970 Riverside Desert at Palm Springs Comment
  RSA503144  Achyronychia cooperi Gary D. Wallace, D. H. Wilken 1966-3-26 261 Riverside Indio Hills 70 Comment
  SEINET957101  Acmispon argophyllus H. S. Gentry 1957-1 16385 Riverside Dripping Springs. 732 Comment
  CAS-BOT-BC402137  Acmispon grandiflorus var. grandiflorus LeRoy Gross; Grace Cho; Caitlin Elam 2013-5-30 6156 Riverside Peninular Ranges; San Jacinto Mountains region: Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SBBG3387  Acmispon heermannii var. heermannii H. and M. Dearing 1940-6-9 4367 Riverside Pines to Palms Hwy, W of Ribbonwood Comment
  SD45471  Acmispon strigosus Robert L. Dressler 1949-5-8 831 Riverside San Jacinto Mountains, 2 miles north of Idyllwild 1676 Comment
  SEINET5327576  Acmispon strigosus E. Neese 1979-4-10 7079 Riverside Ca 125 mi w of Blythe, desert along Interstate 10. 244 Comment
  UCR142193  Acourtia microcephala June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR260525  Acourtia microcephala T. B. Salvato 2014-5-29 8045 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  CAS-BOT-BC22557  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  UCR16480  Adenostoma fasciculatum Paul M. Estes 1962-5-5 061 Riverside 9 mi. east of Riverside on Hwy 60 Comment
  CLARK-A1528-3059  Adenostoma sparsifolium Mike Cline 1966-11-23 Riverside San Jacinto Mountains Comment
  RSA453183  Adenostoma sparsifolium Kenneth R. Montgomery 1969-9-6 69 -20 Riverside Wilson Valley Road, 18 miles south of Hemet 1098 Comment
  SD137640  Adenostoma sparsifolium Darin L. Banks, Steve Boyd 1995-10-17 799 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 narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 523 Comment
  UC859042  Adenostoma sparsifolium I. W. Clokey and E. G. Anderson 1935-8-21 6674 Riverside w. Keen Camp P.O. 1200 Comment
  UCR133641  Adenostoma sparsifolium I. W. Clokey, E. G. Anderson 1935-8-21 6674 Riverside San Jacinto Mtns., west of Keen Camp P.O. 'alt. 1200 m 1402 Comment
  UC29361  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 2038 Riverside meadows of the s side San Jacinto Mountains 1341 Comment
  POM17824  Agoseris retrorsa P. A. Munz, D. Keck 1923-6-14 7075 Riverside Glen Ivy Trail to Santiago Peak. 1584 Comment
  CLARK-A1528-3974  Alchemilla occidentalis John C. Roos 1950-4-22 4751 Riverside Reche Canyon 822 Comment
  UCR207357  Alchemilla occidentalis O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  UCR8263  Alhagi pseudalhagi D. O. Clark 1969-7-2 s.n. Riverside Western Colorado Desert, Coachella Valley, 2 mi west of Mecca Comment
  RSA696214  Allenrolfea occidentalis Keith E. Hoffmaster 1928-12-29 s.n. Riverside 9 mi from Dos Palmas Comment
  UCSB748  Allium burlewii Ralph, F. 1959-5-16 Riverside Top of Devil's slide Trail; San Jacinto Mtns. Wilderness area 2621 Comment
  SD137979  Allium marvinii Darin L. Banks, Steve Boyd 1995-5-9 397 A Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 790 Comment
Read comments
Jul 31 2010
  UC1544767  Allium munzii Steve Boyd 1986-5-7 1827 Riverside top of small ridge extending out from base of mountain (s slope of Alberhill Mt.); Temescal Canyon, Alberhill Mt. 426 Comment
  UCR94487  Allium munzii Steve Boyd 1982-4-17 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  JOTR34173  Allium parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 129 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  JOTR00978  Allium parishii Cole, James E. 1941-5-29 822 Riverside Joshua Tree National Park. END OF STUBBY SPRINGS ROAD 1432 Comment
  SEINET8467245 Image available Allium peninsulare J. C. Roos 1948-5-22 3865 Riverside In a canyon SE of the summit of Reche Canyon 732 Comment
  RSA678943  Allophyllum Scott D. White, Michael Honer 2003-6-3 9487 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC284207  Allophyllum glutinosum P. A. Munz 1923-6-14 7115 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1158 Comment
Read comments
Apr 1 2013
  RSA737437  Amaranthus albus Justin M. Wood 2008-8-31 119 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR201866  Amaranthus albus Justin M. Wood 2008-8-31 119 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  RSA736979  Amaranthus blitoides Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10669 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR77569  Amaranthus blitoides Steve Boyd 1991-9-8 6435 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  SD146059  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside; Hillside area,. along the south side of Dewey Street between Streeter Ave. and Palm Ave. 238 Comment
  UCR115993  Amaranthus watsonii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16077 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
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  UCR24356  Ambrosia artemisiifolia John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  CAS-BOT-BC45010  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  UCR109524  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-9-24 s.n. Riverside Moreno Badlands, W of Beaumont, south side of Hwy 60, 2 miles west of Jackrabbit Trail 686 Comment
  LA202895  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  SEINET2043626 Image available Ambrosia dumosa C. M. Hanagan 1971-5-22 Riverside Approximately 1/4 mi. from the corner of Sunnyslope and Bagley Drive in 29 Palms Comment
  CLARK-A1528-2147  Ambrosia ilicifolia John C. Roos 1949-4-10 4230 Riverside Chuckwalla Mountains Comment
  UCR194219  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR182437  Ambrosia pumila Mitch Provance 2005-5-17 6582 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
  CAS-BOT-BC273011  Ambrosia salsola John Thomas Howell 1928-1-28 3285 Riverside Thousand Palms, Colorado Desert Comment
  CAS-BOT-BC273024  Ambrosia salsola Philip A. Munz 1932-3-14 11972 Riverside Sandy wash of Deep Canyon, Coachella Valley 91 Comment
  CAS-BOT-BC273029  Ambrosia salsola Roxana S. Ferris 1953-4-20 12638 Riverside Road to Lost Palms Canyon ca. 4 mi. N of Shaver summit Comment
  RSA798045  Ambrosia salsola J. Andre 2012-4-11 20845 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR227424  Ambrosia salsola Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 150 Riverside Little San Bernardino Mountains, north of Desert Center, junction of Hwy 177 and Kaiser Road west of Kaiser Road, north of Hwy 177 335 Comment
  SEINET10797875  Ambrosia salsola David B. Dunn 1947-3-16 Dunn 2920 Riverside Found 1/2 mile west of Cabayon in Banning Pass. Comment
  UC494556  Ambrosia salsola var. pentalepis Philip A. Munz 1932-3-4 11972 Riverside sandy wash of Deep Canyon; Coachella Valley Comment
  UC724141  Ambrosia salsola var. salsola Aven and Ruth Nelson 1939-3-22 3220 Riverside near Palm Springs Comment
  UCR35167  Amelanchier utahensis L. B. Ziegler 1968-5-15 297 Riverside San Jacinto Mountains, Hemet Valley, Quinn Flat area 1402 Comment
  UCR135713  Amorpha californica Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9016 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  POM229036  Amorpha fruticosa P. A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA702051  Amorpha fruticosa Scott D. White, Angelia Carey 2004-9-16 10765 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SBBG120001  Amsinckia intermedia A. C. Sanders with K. Volansky 2005-3-17 29237 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UC1084572  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-4-6 2198 Riverside 1/4 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  UCR138920  Amsinckia intermedia Julie A. Greene 1993-3-13 1002 Riverside San Jacinto River Valley, San Jacinto Wildlife Area. Weedy area between ranch fence and permanent pond 441 Comment
  RSA799079  Amsinckia menziesii var. menziesii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6876 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  POM368401  Amsinckia tessellata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  UCR133676  Anagallis arvensis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR174344  Anagallis arvensis A. C. Sanders 2006-5-19 32399 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
  VVC1461  Andropogon glomeratus A. C. Sanders, J. Mac 1996-11-23 19657 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  CAS-BOT-BC137843  Andropogon glomeratus var. glomeratus W. R. Dudley 1903-12-26 s.n. Riverside Near Warm Springs Palm Canyon. Comment
  RSA575830  Anemopsis californica Steve Boyd 1981-5-8 s.n. Riverside Gavilan Hills region, Gavilan Springs, western edge of the Gavilan Plateau at the head of Dawson Canyon. 610 Comment
  UCR4532  Anemopsis californica John Dean 1965-5-26 s.n. Riverside Peninsular Range, At ranch headquarters on road [R3] half way between Temecula Road [Hwy 79] and Sage 305 Comment
  UCR90344  Anemopsis californica Scott D. White 1995-6-29 3413 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SEINET6755346 Image available Antennaria rosea H. M. Hall 1901-1 2401 Riverside San Jacinto Mountains 2835 Comment
  CLARK-A1528-148  Anthemis cotula Fred B. Essig 1967-6-22 Riverside Riverside Comment
  CHSC1687  Antirrhinum coulterianum Sonia R. Westerberg 1938-5-1 Riverside Banning. Comment
Read comments
Mar 13 2011
  RSA0120316  Antirrhinum filipes Duncan S. Bell, Thomas Stoughton 2016-3-16 8955 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR278899  Antirrhinum majus Mitch Provance 2011-7-3 17191 Riverside Santa Ana River Valley, Rubidoux, west corner of Rubidoux Blvd. and 28th St. 259 Comment
  UCR3440  Antirrhinum nuttallianum subsp. nuttallianum John Minnich 1964-3-9 64-3-9- 01 Riverside Peninsular Range, City of Riverside. 'Two Trees Canyon' c. 0.25 mi. from end of Two Trees Road, near the east end of Blaine St. 366 Comment
  UC22885  Apocynum androsaemifolium H. M. Hall August, 1901 2595 Riverside vicinity of Tamarack Valley Tamarack Valley; San Jacinto Mts. 2560 Comment
  POM366957  Aquilegia formosa Robert L. Rutherford 1945-6-17 1673 Riverside Burned Canyon, Banning. 1220 Comment
  RSA46854  Aquilegia formosa Wilder 1903-07 s.n. Riverside Strawberry Valley Comment
  JEPS53028  Arabis glabra W. L. Jepson 1901-5-25 1431 Riverside Van DeVenter's Ranch Comment
  UC64653  Arabis glabra H. M. Hall 1897-6-17 654 Riverside Strawberry Valley San Jacinto Mountains 1615 Comment
  RSA0011414  Arabis sparsiflora Duncan S. Bell, Caitlin Elam 2013-5-21 4968 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  RSA629411  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19504 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629442  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16581 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629471  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16834 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  SEINET11994916  Arctostaphylos glandulosa W. Knight, Knight, I. 1985-1 6063 Riverside between Idyllwild & Banning on Hwy 243 between Vista Grande Forest Station & Hurley Flats Rd 1463 Comment
  RSA629446  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16573 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629458  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16814 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA629465  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16833 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA631308  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16756 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA631759  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15065 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631775  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19273 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631803  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20166 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 6 km south of Pinyon Pines, Santa Rosa Mountains. 1585 Comment
  RSA78198  Arctostaphylos glauca var. eremicola P. A. Munz 1953-5-31 18516 Riverside ridge between Juniper Flats and Stubby Springs, Joshua Tree Nat'l Mon. Comment
  RSA633529  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20121 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633553  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21795 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633747  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21798 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  LA42423  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  UCSB26243  Arctostaphylos pringlei subsp. drupacea Gliessman, Stephen 1968-7-17 Riverside 50 yards south of Little Thomas Mountain Road, 3.7 miles north of junction with Highway 74, Little Thomas Mountain 1584 Comment
  RSA0036097  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, one and one-half miles from Idyllwild on road to Banning, San Jacinto Mts. 1706 Comment
  UCR95955  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA585641  Arctostaphylos rainbowensis D. L. Banks, S. D. Boyd 1995-3-15 0076 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  UC219563  Arenaria macradenia var. macradenia P. A. Munz 1922-6-23 5789 Riverside 2 mi below Kenworthy; San Jacinto Mts.,Hemet Valley 1371 Comment
Read comments
Mar 25 2011
  UC1040944  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-8-7 2178 b Riverside 13.2 mi se of Idyllwild (Hemet Valley); Hemet Valley 1371 Comment
  CAS-BOT-BC207132  Argythamnia lanceolata Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6425 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  CAS-BOT-BC137663  Aristida adscensionis Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah J. DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11231 Riverside Colorado Desert. Chocolate-Chuckawala Mountains Region. Western base of the Chocolate Mountains, small canyon ca. 1.25 mile 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
  RSA444312  Aristida adscensionis Walter Wisura 1988-3-1 4182 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  SEINET4565912  Aristida adscensionis Duncan S. Bell 2011-10-22 2992 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
  UCD56395  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside south end of Coxcomb Mountains, 8 miles northeast of Desert Center. Comment
  UCR244447  Aristida adscensionis Jim Andre 2012-4-16 20903 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  CLARK-A1528-4477  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon 457 Comment
  UCD56530  Aristida purpurea var. fendleriana Alan A. Beetle 1946-6-10 4405 Riverside Near Palm Springs. Comment
  POM46956  Aristida purpurea var. nealleyi Mary F. Spencer 1918-3-27 825 Riverside Palm Springs 137 Comment
  RSA26993  Aristida purpurea var. nealleyi C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring. Comment
  UC815721  Aristida purpurea var. parishii P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4906 Riverside vicinity of Corn Springs (Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. 609 Comment
  RSA129290  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6710 Riverside Lower San Jacinto River Canyon. 640 Comment
  RSA613711  Artemisia annua G. R. Ballmer 1997-11-22 s.n. Riverside Riverside. Volunteer in yard at 8538 Hickory Lane. Comment
Read comments
Jul 14 2012
  UC1931001  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside at 4291 Alta Vista Dr. Comment
  RSA463103  Artemisia douglasiana Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  UC892321  Artemisia douglasiana I. W. Clokey and E. G. Anderson 1935-8-21 6984 Riverside w of Keen Camp P. O. 1360 Comment
  JOTR32834  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCD129231  Artemisia dracunculus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3708 Riverside Vail Lake area, Wilson Creek at east end of lake. Comment
  UCR243132  Artemisia dracunculus Kate Kramer 2012-5-8 257 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  UCR174621  Asclepias californica Jennifer H. Jones 2006-6-6 390 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  RSA20302  Asclepias erosa Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 s.n. Riverside 19 mi. from Cottonwood Springs, Riverside Co. N end of Pinto Basin Comment
  SD121807  Asclepias subulata C. H. Muller 1952-5-21 9514 Riverside Outwash plain at mouth of Morongo Canyon Comment
  UCR264225  Asclepias subulata A. C. Sanders, Jim Malusa 2015-9-11 41874 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Iris Pass, in gorge of pass c. 50-100 m above white tuff outcrops 669 Comment
  UCR265020  Asparagus officinalis Mitch Provance 2013-4-8 413- 13 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  POM11411  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills, near Riverside Comment
  SD138004  Aspidotis californica Darin L. Banks, Steve Boyd 1995-3-15 70 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area Comment
  POM945  Aspidotis californica Philip A. Munz 1918-4-27 2119 Riverside Temecula Comment
  POM12717  Aster alpigenus var. andersonii Philip A. Munz 1922-7-6 5997 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CAS-BOT-BC177465  Astragalus aridus H. M. Hall 1905-4-1 5826 Riverside Near Indio 0 Comment
  UC862496  Astragalus aridus I. W. Clokey, B. C. Templeton 1930-4-9 4710 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  RSA715250  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore back basin on NE side of lake. 384 Comment
  POM15067  Astragalus didymocarpus var. dispermus Mary F. Spencer 1922-3-25 1426 Riverside Mecca. -49 Comment
  RSA21758  Astragalus didymocarpus var. dispermus C. B. Wolf 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA0031439  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4549 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC81306  Astragalus douglasii var. douglasii S. B. and W. F. Parish Apr. 1882 1407 Riverside Morongo Comment
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Jul 4 2007
  CAS-BOT-BC178451  Astragalus douglasii var. parishii D. E. Breedlove 1961-8-4 931 Riverside Intersection of Black Mtn. Road and Riverside Highway 1, San Jacinto Mtns. 1676 Comment
  PASA2723  Astragalus douglasii var. parishii Frank W. Peirson 1922-5-20 3342 Riverside Hemet Valley, San Jacinto Mtns. 1371 Comment
  UCR10261  Astragalus lentiginosus Paul Currie 1969-1 25 Riverside Sonoran (Colorado) Desert, vcinity of Banning [highly doubtful, probably closer to Palm Springs -- ACS] 305 Comment
  JEPS54701  Astragalus lentiginosus var. coachellae E. L. Adams 1926-1 Riverside Colorado Desert Comment
  RSA754377  Astragalus lentiginosus var. coachellae Brian Knaus 2003-3-23 23 Riverside W of Gene Autry Trail, near Palm Springs. 159 Comment
  SEINET7063054  Astragalus nuttallii A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  CAS-BOT-BC192756  Astragalus palmeri Edmund C. Jaeger 1921-4-13 s.n. Riverside Entrance to Martinez Canon [Canyon], Colorado Desert Comment
  POM145407  Astragalus palmeri J. B. Feudge 1926-5-9 1871 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  CSUSB2272  Astragalus pomonensis Steven J. Southwell 1971-5-23 Riverside Santa Ana Mountains Santa Ana Mountains. Widespread along dirt road between Murrietta and Tenaja Station. 609 Comment
  RSA498264  Astragalus pomonensis B. C. Templeton 1931-4-23 19212 Riverside Between Perris and Gavilan Peak. Comment
  UC128578  Astragalus pomonensis Marcus E. Jones, A. M. 1903-5-11 Riverside Banning 701 Comment
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Mar 13 2011
  UC1921999  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-16 10161 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes. Comment
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Apr 22 2018
  UCR111598  Astragalus pomonensis Mitch Provance 1998-4-8 1773 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  CLARK-A1528-1152  Astragalus tricarinatus John C. Roos 1973-3-31 Riverside Whitewater 457 Comment
  SJSU12733  Athyrium filix-femina var. cyclosorum C. W. Sharsmith 1945-8-28 5451 Riverside by Indian Creek W side Mt. San Jacinto 1828 Comment
  CAS-BOT-BC17417  Athysanus pusillus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4041 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along highway 79, east of USFWS Dripping Springs Guard Station. 609 Comment
  CAS-BOT-BC98814  Atrichoseris platyphylla Mrs. Jos Clemens 1922-4-10 s.n. Riverside Mecca Comment
  SD103973  Atrichoseris platyphylla J. L. S. Simpson 1964-3-22 Riverside Near the Colorado River beyond Blythe Comment
  CAS-BOT-BC168618  Atriplex John Thomas Howell 1930-5-10 4787 Riverside 1 mile south of Perris Comment
  CLARK-A1528-1189  Atriplex canescens John C. Roos 1946-9-2 2987 Riverside Moreno Valley Comment
  RSA0106716  Atriplex canescens Duncan S. Bell, Amanda Turek 2010-1-30 529 Riverside About 4 air miles northwest of the Arica Mountains; along the California Aqueduct, to the south of Highway 62. 282 Comment
  SEINET238486  Atriplex canescens A. C. Sanders, Mitch Provance 2000-9-27 23673 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux NW of intersection of Tequesquite Ave. and Gregory Rd. near confluenc 232 Comment
  UC850758  Atriplex canescens Carl B. Wolf 1932-10-13 4304 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  SD80077  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-10-31 325 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  CLARK-A1528-5401  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  RSA550482  Atriplex coronata var. notatior D. E. Bramlet 1992-5-6 2264 Riverside Northern duck club ponds to the east and south of the san Jacinto wildlife area (just south of S Contour Rd.) The site is some 122 m south of teh pond that is on the eastern boundry of the duck club area., This site is just above (west) of the Mystic La 436 Comment
  SD152629  Atriplex coronata var. notatior Craig Reiser 2000-9-7 Riverside Hemet, northwest corner of California and Stowe streets Comment
  UCR66973  Atriplex coronata var. notatior D. E. Bramlet 1990-6-14 2038 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, c. 400 m north of the Santa Fe RR tracks and adjacent to (E of ) MWD canal, c. 900 m west of Warren Ave 457 Comment
  RSA737893  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  CAS-BOT-BC169292  Atriplex lentiformis John Thomas Howell 1928-1-28 3280 Riverside Thousand Palms, Colorado Desert Comment
  POM278733  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 582 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  UCR205986  Atriplex serenana var. serenana 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
  UCR128172  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Hemet area, Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm 473 Comment
  RSA689427  Atriplex suberecta R. E. Riefner 2003-5-27 3 -240 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  IRVC9234  Avena barbata B. T. Gittins 1966-5-1 1285 Riverside Santa Rosa Plateau. Peninsular Ranges, Santa Ana Mountains Comment
  RSA757728  Avena barbata LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4355 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
  UCR38254  Ayenia compacta J. M. Stewart 1985-3-16 8505 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  CDA42499  Azolla filiculoides F. J. Willmarth Apr 1958 s.n. Riverside Reservoir, Hemet Valley. 0 Comment
  RSA84261  Azolla filiculoides Frank W. Peirson 1922-4-30 2948 Riverside Lancaster Valley, less than 2 miles from the Temecula River on the road to Hemet. 518 Comment
  JEPS40702  Baccharis brachyphylla Marjorie D. Clary 1933-1-29 1761 Riverside nw of Indio (Colorado Desert, Santa Rosa Mts, Deep Canyon); Colorado Desert, Santa Rosa Mts., Deep Canyon 304 Comment
  POM68496  Baccharis emoryi Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA605786  Baccharis emoryi Scott D. White 1996-2-18 3804 Riverside Perris Basin: Double Butte, NW of Winchester, SE-facing slope of W butte. 30 Comment
  UC1523627  Baccharis pilularis Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61282 Riverside near and a few mi s of Murrieta Murrieta-Guava Sts; De Luz 396 Comment
  RSA48867  Baccharis salicifolia J. C. Roos 1949-9-17 4658 Riverside Oasis, Whitewater Wash, 2.2 miles N of Hwy 99 518 Comment
  SBBG63299  Baccharis sarothroides R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  RSA342551  Baccharis sergiloides R. F. Thorne 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SD232170  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills/Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and/or west of unnamed peak. 395 Comment
  RSA5361  Bahiopsis parishii B. D. Stark 1932-6-15 1525 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  SD258859  Bahiopsis parishii Sarah J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, SW of palm Desert, N of Alpine Village and Highway 74; Along Dunn Road between Haystack and Asbestos Mountains 1232 Comment
  CAS-BOT-BC99951  Baileya pauciradiata John Thomas Howell 1928-3-11 3435 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CDA10405  Baileya pauciradiata G. D. Barbe, T. C. Fuller 1973-3-1 1068 Riverside I-10 exit at road to Wiley s Well, west of Blythe. 0 Comment
  SBBG65724  Baileya pauciradiata L. Rowntree 1930-5-8 Riverside cyn S of Deep Cyn Comment
  PASA2184  Baileya pauciradiata Florence Brubaker Riverside Colorado Desert Comment
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Mar 23 2019
  RSA4910  Baileya pleniradiata C. B. Wolf 1932-4-27 3026 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  UCR45121  Bassia hyssopifolia L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA709803  Bebbia juncea A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SBBG60786  Bebbia juncea Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UCR167365  Bebbia juncea John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CAS-BOT-BC100114  Bebbia juncea var. aspera H. M. H. 1901-5-17 1851 Riverside Palm [Canon] Canyon Comment
  CLARK-A1528-2269  Berberis nevinii John C. Roos 1966-2-10 Riverside San Timoteo Canyon Comment
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Mar 12 2014
  RSA102341  Bernardia incana S. B. Parish, W. F. Parish 1882-03 752 Riverside Borders of the Colorado Desert, Whitewater. Comment
  UCD169505  Beta vulgaris Mitch Provance 2003-7-4 4640 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives. 226 Comment
  RSA192136  Bloomeria crocea var. crocea E. W. Lathrop 1960-6-7 4901 b Riverside 14 miles west of Murrieta Comment
  CAS-BOT-BC16106  Boechera californica Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  POM49150  Boechera californica P. A. Munz 1924-5-18 8136 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  CAS-BOT-BC16261  Boechera glaucovalvula Annie M. Alexander; Louise Kellogg 1941-4-29 2103 Riverside Joshua Tree National Monument. 13 miles southwest of 29 Palms. 1371 Comment
  UCR270713  Boechera johnstonii John F. Emmel 1999-3-27 1607 Riverside San Jacinto Mtns., Garner Valley, 0.1-0.2 air mile south of junction Hwy 74 and road to Ramona Trail 1384 Comment
  LA204241  Boechera xylopoda L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
  RSA770620  Boerhavia Robert F. Thorne 1966-10-15 41813 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCR102045  Boerhavia coulteri B. G. Pitzer 1997-10-19 3350 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  RSA0045134  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40410 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction. 124 Comment
  RSA0087827  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR151361  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  CAS-BOT-BC145583  Bouteloua aristidoides Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9518 Riverside North edge of Pinto Basin 19 miles from Cottonwood Springs. Comment
  SACT000426  Bouteloua aristidoides Marcus Jones 1929-9-16 Riverside Comment
  UCR264213  Bouteloua aristidoides A. C. Sanders, Jim Malusa 2015-9-10 41861 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
  JEPS20764  Bouteloua barbata var. barbata Roxana S. Ferris and Rimo Bacigalupi 13240 Riverside Hwy US 95 11.3 mi n Blythe (wash arising in mts); Big Maria Mts. Comment
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Jun 2 2012
  JEPS8276  Bouteloua barbata var. barbata Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3602 Riverside along State Hwy 111 just opposite northern end of the Salton Sea -57 Comment
  JOTR33128  Bouteloua curtipendula La Doux, Tasha, Mike Bell 2003-10-17 1122 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UCR201433  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC224907  Bowlesia incana A. C. Sanders 2011-4-6 39019 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
  SD7572  Bowlesia incana unknown 1882-4-23 Riverside Temecula Rancheria (mak 2/07) Comment
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Mar 25 2015
  LA105191  Boykinia rotundifolia Frank C. Vasek; 1987-7-14 870714 -1 Riverside San Jacinto Mountains, San Jacinto Mountains, Vista Grande Road (3S08) 1.0 mi E of Banning-Idyllwild Road (SH243) 1523 Comment
  UC494864  Brandegea bigelovii C. L. Hitchcock 1932-4-7 12198 Riverside Corn Springs, eastern Riverside County Corn Springs Comment
  UCD107471  Brandegea bigelovii Geoffrey Levin 1976-10-17 1169 Riverside Box Canyon, about 11 mi. east of Mecca. Mecca Hills Mt. Range. Comment
  RSA0045157  Brassica geniculata Andrew Haimov, April Sleigh 1992-5-7 81 Riverside West side of Davis Road, 2 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA784729  Brassica tournefortii Duncan S. Bell 2012-3-18 3196 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
  LA203085  Brickellia desertorum Carl Epling; 1937-11-26 sn Riverside White Tank, Twentynine Palms Comment
  UC1010313  Brickellia desertorum John and Lucille Roos 1950-9-30 4996 Riverside .5 mi se of Citrus Experiment Station (Box Springs Grade); Box Springs Grade 396 Comment
  RSA94115  Brickellia incana F. W. Peirson 1928-4-23 7889 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  JOTR34204  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2996 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
  CAS-BOT-BC132177  Brodiaea Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA678935  Brodiaea orcuttii Scott D. White, Michael Honer 2003-6-3 9478 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  JOTR33679  Bromus berteroanus La Doux, Tasha 2005-9-1 1594 Riverside Joshua Tree National Park. Eagle Mountains, northwest end; 3.5 miles north of Cottonwood Visitor Center; granitic outcrops with sandy wash Comment
  JOTR34002  Bromus berteroanus La Doux, Tasha, M. Harding 2010-4-7 2890 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  CLARK-A1528-4533  Bromus carinatus John C. Roos 1953-4-15 5912 Riverside Riverside 259 Comment
  UCR193895  Bromus carinatus A. C. Sanders, Mitch Provance 2008-7-11 35798 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  JOTR35182  Bromus catharticus var. catharticus Harding, Mitzi, T. Herskovits 2011-9-14 163 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  RSA772963  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4769 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA179507  Bromus diandrus E. W. Lathrop 1959-5-17 4535 -A Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  UCR2221  Bromus grandis F. M. Reed 1925-5-23 5034 Riverside Peninsular Range; Santa Ana Mtns., Horsethief Canyon, Temescal Mountains 976 Comment
  CAS-BOT-BC155545  Bromus hallii H. M. Hall 1901-7-1 2538 Riverside San Jacinto Mountains. West Fork Snow Creek. 1524 Comment
  UC37682  Bromus hallii H. M. Hall June 1901 2301 Riverside W side of San Jacinto Mountains San Jacinto Mountains 1737 Comment
  UCR102876  Bromus hordeaceus A. C. Sanders 1997-3-26 20133 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  SDSU14007  Bromus madritensis subsp. rubens Dinna Estrella, M. G. Simpson 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside field station. 335 Comment
  UC1537243  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 68 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  CLARK-A1528-4555  Bromus rubens John C. Roos, Lucille Roos 1950-4-15 4739 Riverside Pigeon Pass 457 Comment
  RSA799068  Bromus rubens Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  RSA0034583  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  UCR223864  Bromus tectorum A. C. Sanders 2011-2-24 38736 Riverside San Bernardino Valley Region, Jurupa Hills, eastern lobe of Rattlesnake Mountain, west of Riverside Cement Plant 407 Comment
  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
  UCR198193  Caesalpinia virgata Michael Honer, L. Hulse 2004-4-3 1918 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  RSA524234  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4042 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA561786  Calandrinia ciliata Steve Boyd 1992-4-14 6842 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR263228  Calandrinia ciliata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41463 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR17994  Calandrinia ciliata var. menziesii Mark Morris, Richard C. Barkelew 1929-3-10 s.n. Riverside San Jacinto Mountains, Indian [Creek] Canyon or adjacent dry hills Comment
  CAS-BOT-BC85764  Calocedrus decurrens W. L. Jepson; H. M. Hall 1901-5-17 1448 Riverside From Riverside to Santa Rosa Peak and Palomar Comment
  UC520287  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  UCR107787  Calocedrus decurrens D. L. Banks 1997-5-5 1960 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  RSA586941  Calochortus albus Darin L. Banks, Steve Boyd 1995-5-17 470 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., In the drainage immediately E of the spring just inside the wilderness boundary in north-central, section 33. 707 Comment
  UC1409123  Calochortus albus E. W. Lathrop 1967-5-19 37984 Riverside ca 2 mi beyond Rancho Californica turn-off to ranch headquarters; Santa Rosa Plateau 609 Comment
  JEPS61650  Calochortus invenustus W. L. Jepson 1901-5-27 1462 a Riverside Vandeventer's Ranch San Jacinto Range Comment
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May 26 2014
  UCR215367  Calochortus plummerae Fred M. Roberts 2006-6-28 6348 Riverside Peninsular Range; San Jacinto Mountains, San Jacinto River Canyon, south fork, South Fork Trail 3.7 km west summit of Baldy Mountain 1266 Comment
  POM9605  Calycadenia tenella I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  UC963812  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside ca. 5 mi ne of, Joshua Tree National Monument Cottonwood Springs; Mojave Desert, Smoke Tree Wash 853 Comment
  RSA776642  Calycoseris wrightii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1099 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  UCR29780  Calycoseris wrightii George K. Helmkamp 1983-3-24 383- 14 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR58337  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Riverside, Botanic Garden of U. C. Riverside 396 Comment
  CLARK-A1528-770  Calyptridium monandrum C. M. Flanagan 1973-5-20 OO 529 Riverside Morongo Indian Reservation 1158 Comment
  UC1136649  Calyptridium monandrum H. S. Yates 1937-3-23 6405 Riverside 2 mi n of Palm Springs 213 Comment
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Apr 16 2011
  UCR20731  Calyptridium monandrum A. C. Sanders, Steve Boyd 1980-5-2 1413 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CLARK-A1528-7873  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  UCR24124  Calystegia macrostegia John C. Roos 1950-4-22 4748 Riverside Pigeon Pass. 457 Comment
  CDA37136  Calystegia macrostegia subsp. tenuifolia Mike Lahti 2012-4-22 PDR# 1590340 Riverside Hemet; Near Grant St., south of Florida Ave. 0 Comment
  RSA161221  Calystegia macrostegia subsp. tenuifolia P. H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs. Comment
  RSA192219  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1965-4-4 5625 Riverside 8 miles W of Murrieta - Tenaja Range Comment
  RSA394932  Calystegia macrostegia subsp. tenuifolia M. M. Thompson 1947-6-9 C- 2083 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA465920  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  UCR139051  Camissonia bistorta D. L. Banks 1997-2-23 1330 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  UCR167453  Camissonia boothii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR214152  Camissonia boothii T. B. Salvato 2010-4-20 4051 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  UCR249504  Camissonia brevipes T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7288 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
  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
  RSA136655  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11569 Riverside Chuckwalla Mountains. On slopes above wash, Corn Springs. Comment
  SEINET7097945  Camissonia brevipes subsp. brevipes A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao W NAD 27 (Converted to WGS84 decimal degrees). Comment
  JOTR29162  Camissonia californica La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1239 Riverside Joshua Tree National Park. Key's view Comment
  RSA523538  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3998 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA678219  Camissonia californica Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1086 Riverside Big Morongo Wash. 473 Comment
  UCR249518  Camissonia claviformis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7283 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
  POM257260  Camissonia claviformis subsp. aurantiaca Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  RSA135289  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside Fargo Canyon, alluvial fan. Comment
  RSA444316  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-3-1 4185 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  RSA449213  Camissonia claviformis subsp. aurantiaca Robert M. Perkins, H. de Forest 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA652361  Camissonia claviformis subsp. aurantiaca David B. Dunn, H. Lint 1955-4-1 11829 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  UCR237507  Camissonia claviformis subsp. aurantiaca Amber Swanson 2011-4-8 382 Riverside Southcentral Mojave Desert, Granite Mountains area east of Hwy 177 near junction 62 423 Comment
  UCR133380  Camissonia confusa Mitch Provance, J. S. Ross 1998-3-27 MOR- 993 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR94237  Camissonia confusa Scott D. White 1996-4-14 3901 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UCR116886  Camissonia graciliflora A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24217 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  RSA586916  Camissonia hirtella D. L. Banks, Steve D. Boyd 1995-5-3 260 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
  UCR118782  Camissonia hirtella A. C. Sanders, T. B. Salvato 2000-5-25 23427 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
  UCR119406  Camissonia hirtella Mitch Provance 1998-6-11 645 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR102209  Camissonia pallida A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19674 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  RSA771624  Camissonia pallida subsp. hallii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4998 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  RSA75435  Camissonia pallida subsp. pallida F. W. Peirson 1919-4-13 786 Riverside Tahquitz Canyon stream, near Palm Springs. Comment
  JOTR16760  Camissonia refracta Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA162861  Camissonia strigulosa J. D. Olmsted 1959-4-10 348 Riverside Along Hwy. 60-99 [Hwy 10] near Cabazon; Mt. Range: San Gorgonio Pass; Drainage area: Whitewater River. 671 Comment
  RSA564048  Camissonia strigulosa A. C. Sanders 1993-5-17 14064 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 Comment
  JEPS29318  Camissoniopsis bistorta Rimo Bacigalupi and L. Heckard 1962-3-26 8414 Riverside roadside flat 2.2 mi nw Alberhill (headwaters of creek); Temescal Creek Comment
  SD185266  Camissoniopsis bistorta T. B. Salvato, Kent Beaman 2005-5-16 802 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  UCSB12943  Camissoniopsis bistorta Dearing, Hugh; Dearing, Margaret 1937-4-12 Riverside Coast side of mountains near Orange county line Comment
  SBBG122709  Camissoniopsis pallida S. D. White 2005-3-29 10848 Riverside alluvial fan and benches W of San Gorgonio river and S of Interstate-10 Freeway, W of existing gravel quarry, Cabazon 585 Comment
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Mar 30 2014
  SD185273  Camissoniopsis pallida A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Bernardino Mountains/Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62 (Desert Hot Springs 7.5'Q) 609 Comment
  UC668392  Camissoniopsis pallida subsp. hallii Annie M. Alexander and Louise Kellogg 1941-4-24 2072 Riverside gorge of Dry Morongo Creek Mohave Desert, Morongo Valley 640 Comment
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Sep 18 2012
  UCR166108  Camissoniopsis pallida subsp. hallii A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR166114  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16137 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCSB10563  Camissoniopsis pallida subsp. pallida Lloyd, Robert 1960-3-23 Riverside One mile from U.S. HiWay 99 on road (St. 111) to Palm Springs, San Jacinto Mt. Range 396 Comment
  UCR241418  Capsella bursa-pastoris T. B. Salvato 2013-3-22 7389 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  RSA613141  Cardamine hirsuta D. L. Banks 1997-3-6 1411 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  UCR125999  Cardaria draba Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UCR56079  Carex J. A. Adams 1966-4-28 748 Riverside Santa Rosa Plateau, dirt road from Murrieta to De Luz. 15 mi east of De Luz 762 Comment
  POM14318  Carex alma Phillip A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mile above mouth of Strawberry Creek. 1159 Comment
  SEINET3898819  Carex barbarae Steve Boyd, Tim Ross 1990-5-11 4663 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland Nat. Forest.; 0 579 Comment
  RSA633885  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38118 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SEINET1876644  Carex fracta Malcolm G. McLeod 1971-6-22 470 Riverside Idyllwild Comment
  UC72160  Carex fracta H. M. Hall May 17 1901 - Jun 1 1901 2665 Riverside Strawberry Valley, San Jacinto Mountain 1600 Comment
  SEINET13371260  Carex hoodii P. F. Zika, Nick Otting 2010-8-30 25236 Riverside Vicinity of Willow Creek, W, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  RSA801941  Carex sartwelliana LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6171 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
  CHSC106609  Carex senta P. F. Zika; Nick Otting 2010-8-3 25243 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  RSA682459  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR128309  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 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
  UCR228674  Carex senta Peter F. Zika, Nick Otting 2010-8-3 25243 Riverside Peninsular Ranges; San Jacinto Mountains, vicinity of Willow Creek, San Jacinto Wilderness Area 2550 Comment
  UCSB37818  Carthamus tinctorius Oscar F. Clarke 1968-12-16 Riverside collected in University of California Riverside Greenhouse Comment
  POM171282B  Castela emoryi I. M. Johnston 1930-6-15 3787 Riverside Hayfields, Mecca-Blythe Road Comment
  SEINET3078503 Image available Castilleja affinis Conrad Bahre 1970-4-30 s.n. Riverside North Fork of San Jacinto River, San Jacinto Mts. 1524 Comment
  UCR122546  Castilleja applegatei subsp. martini George K. Helmkamp, E. A. Helmkamp 2001-5-20 6677 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  JEPS13641  Castilleja applegatei subsp. martinii Peter Kamb 1948-7-3 1145 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA0010948  Castilleja applegatei subsp. martinii Robert F. Thorne, Walter Wisura 1977-9-17 50778 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR100966  Castilleja densiflora G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR50580  Castilleja densiflora B. G. Pitzer 1988-2-28 622 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  UC886552  Castilleja exserta P. A. Munz and I. M. Johnston 1922-5-19 5444 Riverside 2 mi below Kenworthy; San Jacinto Mts. 1402 Comment
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Mar 25 2011
  JEPS10328  Castilleja exserta subsp. exserta W. L. Jepson 1901-5-19 1294 Riverside Strawberry Valley Mt. San Jacinto Comment
  RSA740625  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-7-8 12379 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA400080  Castilleja foliolosa Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  RSA652581  Castilleja foliolosa G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  SJSU11468  Castilleja foliolosa N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 6 mi E of E shore Lake Elsinore Comment
  UCSB9374  Castilleja foliolosa Lloyd, Robert 1959-4-17 Riverside Santa Ana Mt Range; 4 1/4 mi S of W Corona; on the Oak Flats Fire Road 426 Comment
  RSA586123  Caulanthus heterophyllus D. L. Banks 1995-4-11 164 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. 646 Comment
  RSA614638  Caulanthus heterophyllus D. L. Banks 1997-3-29 1558 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UC1608299  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6749 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr in N-fork Bear Creek (San Mateo Cyn Wilderness Area); Santa Ana Mountains, San Mateo Cyn Wilderness Area 670 Comment
  CDA1657  Ceanothus crassifolius Mike Lahti 2007-5-31 PDR# 1361019 Riverside Murrieta; 26550 Pabesu Rd. Jo-Dan Farms Nursery. Comment
  RSA562563  Ceanothus crassifolius Steve Boyd, W. Appleby 1993-3-14 7726 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  RSA569985  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7920 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  SD136149  Ceanothus crassifolius Kirsten Winter 1993-3-1 Riverside West of Vail Lake. Occasional hybrids in and near stand of C. ophiochilus (IPB 5/06) 609 Comment
  UCR143147  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7901 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  SDSU13698  Ceanothus crassifolius var. crassifolius James C. Dice with George Diggs 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station). overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of Section 26. 341 Comment
  UCR92670  Ceanothus cuneatus subsp. cuneatus Scott D. White, Shelton Dowthit, Conservancy volunteers 1996-3-31 3851 Riverside Lake Skinner Area: Riverside Land Conservancy conservation easement site, about 0.5 mi south of the reservoir, near East Benton Rd 534 Comment
  RSA262093  Ceanothus integerrimus var. puberulus E. W. Lathrop 1969-5-9 7033 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA741156  Ceanothus leucodermis Scott D. White, Justin M. Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. 1415 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
  RSA0019586  Ceanothus leucodermis G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
  UC1071165  Ceanothus oliganthus var. oliganthus R. St. John 1931-3-4 192 Riverside Tim Mine Canyon Corona quad. 609 Comment
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Jun 17 2013
  UCD112284  Ceanothus ophiochilus Steve Boyd; Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake. 609 Comment
  UCR68480  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3099 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UC729815  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside Point View near Idyllwild; San Jacinto Mts., Point View near Idyllwild 1645 Comment
  RSA562101  Ceanothus tomentosus var. olivaceus Steve Boyd 1992-4-14 6805 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  CDA1875  Cenchrus echinatus T. C. Fuller 1962-10-2 9695 Riverside 4.0 miles southeast of Mecca; SW corner of Hayes Street & Hwy. 111 to Niland, 0 Comment
  UCD57824  Cenchrus longispinus H. S. Yates 1937-6-28 6734 Riverside Palm Springs 137 Comment
  UCR130875  Cenchrus spinifex A. C. Sanders, K. C. Rose 1999-5-28 22789 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  CAS-BOT-BC277182  Centaurea X pouzinii R. M. Howie No date on label s.n. Riverside Fuller Rancho, Corona Comment
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC284480  Centaurea solstitialis Jerry Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley near Hwy 215 Comment
  UCR217662  Centromadia pungens subsp. laevis Ana Hernandez, Karyn L. Drennen 2010-5-19 022 Riverside Perris-Aguanga Basin, 3.2km west of Hwy 79 and 35m east of Leon Road, on south side of channelized drainage 439 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
  JOTR31184  Centrostegia thurberi La Doux, Tasha, G. Clifton 2009-5-14 1981 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  JEPS57818  Centrostegia thurberi var. thurberi W. L. Jepson 1914-5-18 5992 Riverside n of Indio (Pinyon Well); Pinyon Well 762 Comment
  POM68414  Cercidium floridum Marcus E. Jones 1924-2-26 s.n Riverside Shaver's Well. Comment
  RSA30514  Cercidium floridum B. D. Stark 1928-11-4 467 Riverside Hidden Springs Canyon 30 Comment
  RSA405365  Cercidium floridum Ora M. Clark 1929-2-17 1754 Riverside S La Quinta Comment
  RSA498412  Cercidium floridum Martha Hilend 1928-3-24 128 Riverside Colorado desert. South of Oasis. Comment
  RSA498416  Cercidium floridum G. R. Johnstone, Johnstone 1930-4-14 14653 Riverside Shavers Well Comment
  POM11522  Cercocarpus betuloides Philip A. Munz 1922-6-30 5925 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  SEINET10543169  Cercocarpus ledifolius David B. Dunn 1946-8-17 Dunn 2721 Riverside Along trail 0.25 miles to hidden lake from round meadow 2441 Comment
  UCR90351  Chaenactis artemisiifolia Scott D. White 1995-6-30 3436 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  NY43272  Chaenactis carphoclinia C. R. Annable 1995-3-18 2302 Riverside Ca. 11km N of Indio, on road to Berdoo Canyon 300 Comment
  SD21518  Chaenactis carphoclinia Frank F. Gander 1938-5-21 5763 Riverside Shaver's Summit. Comment
  UCR102720  Chaenactis carphoclinia B. G. Pitzer 1998-1-24 3406 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  CDA7363  Chaenactis carphoclinia var. attenuata A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA0034951  Chaenactis carphoclinia var. carphoclinia A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  POM351702  Chaenactis fremontii Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  POM351706  Chaenactis fremontii P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA775626  Chaenactis fremontii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1006 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets 396 Comment
  SFV5007  Chaenactis fremontii F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  JEPS82355  Chaenactis glabriuscula var. glabriuscula L. R. Heckard 1969-4-24 2163 Riverside about 7 mi s of Sage (along Highway 79) Comment
  RSA613635  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 B 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
  UC1392834  Chaenactis glabriuscula var. glabriuscula R. F. Hoover 1968-6-7 11158 Riverside Head of St. Johns Canyon Comment
  UC218264  Chaenactis glabriuscula var. glabriuscula P. A. Munz 1922-6-30 5916 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 1981 Comment
  UCR104177  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  RSA0021551  Chaenactis stevioides Duncan S. Bell 2012-3-4 3135 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  POM351831  Chaenactis stevioides var. stevioides D. A. Young 1969-4-18 p 426 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  UCR240511  Chamaesyce abramsiana Tim Thomas 2012-8-23 5874 Riverside Sonoran (Colorado) Desert, west-northwest of Blythe on east side of McCoy Mountains, 5 mi north of Hwy I-10 168 Comment
  RSA799818  Chamaesyce polycarpa Scott D. White, Robert Black 2011-2-25 13387 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SEINET3089933 Image available Chamaesyce polycarpa D. Hoover 1986-4-7 776 Riverside South of Morongo Valley; main canyon at the BLM gate. 549 Comment
  JEPS26604  Chamaesyce serpillifolia subsp. hirtula Peter Kamb 1948-7-4 1168 Riverside San Jacinto Mtns, Hall Canyon 1645 Comment
  CDA35278  Chamaesyce serpillifolia subsp. serpillifolia Louis C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer s Grove. 0 Comment
  SBBG32374  Chamaesyce setiloba L. S. Rose 1967-12-19 67178 Riverside La Quinta 15 Comment
  SBBG67777  Chamaesyce setiloba M. N. Ackley -Feb-1926 347 Riverside near Edom 64 Comment
  RSA626151  Cheilanthes clevelandii R. E. Riefner 1999-3-15 99 -161 Riverside base of outcrops in Red Shank chaparral, Mtn. Slopes E. of Hemet, Hwy 74 Comment
  HSC990  Cheilanthes covillei W. R. Supernaugh, Jr. 1964-12-21 17 Riverside Joshua Tree Nat'l Mon. 1 mi. S of Jumbo Rocks Campground at old ground observation post 1372 Comment
  UC42540  Cheilanthes newberryi Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  UCSB38682  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  CAS-BOT-BC70383  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  SEINET8008429  Cheilanthes viscida W. F. Parish No determinado Riverside Agua Caliente, Agua Caliente,Riverside, California Comment
  RSA629023  Chenopodium Scott D. White 1998-6-28 6790 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  UCR92073  Chenopodium Scott D. White 1994-10-17 2503 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  IRVC29263  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Moreno Valley 534 Comment
  RSA763338  Chenopodium berlandieri R. F. Thorne, R. K. Benjamin, Kay Wright 1982-10-8 763338 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 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
  UCR135725  Chenopodium fremontii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9029 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UC7268  Chenopodium pratericola H. M. Hall July 1901 2473 Riverside Tahquitz Valley San Jacinto Mountains 2133 Comment
  CSUSB732  Chilopsis linearis K. A. Lamb 1968-4-21 680421 4 Riverside Colorado Desert Approx. 10 miles northeast Mecca on Highway 195, Colorado Desert wash. Comment
  SD84926  Chilopsis linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-28 275 Riverside East slope San Jacinto Mountains,North Canyon just above juncture with Andreas Canyon 349 Comment
  UCSB50619  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  LA35249  Chilopsis linearis subsp. arcuata Mary V. Hood; 1946-11-10 46- 84 k* Riverside Palm Springs Station 138 Comment
  CDA1889  Chloris truncata E. Storm 1978-11-9 Riverside Nunes Turfgrass nursery, 30611 Leon Road, Winchester. 0 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
  UCR113856  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR2284  Chloris virgata F. M. Reed 1904-8-14 94 Riverside Riverside, roadside on Monroe Street between Dufferin and Victoria Avenue, Arlington Heights 274 Comment
  RSA0049539  Chlorogalum parviflorum Steve Boyd, David E. Bramlet 1990-4-29 4512 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR214156  Chorizanthe brevicornu T. B. Salvato 2010-4-20 4055 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  JOTR28749  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, Bill Truesdell 2004-2-24 1030 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  RSA392639  Chorizanthe fimbriata M. B. Dunkle 1934-6-18 3969 Riverside Upper San Juan Canyon. Comment
  SD136790  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross 1992-6-10 7625 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek and San Mateo Creek 671 Comment
  UC597640  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside at head Coyote Canyon (below Anza Tablet, sw Riverside County); head Coyote Canyon below Anza Tablet 1005 Comment
  RSA572973  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  UCR22112  Chorizanthe leptotheca Steve Boyd 1980-5-15 276 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR280959  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers 2017-6-8 617- 10 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  POM13287  Chorizanthe parryi var. parryi E. C. Jaeger 1920-3-25 1058 Riverside Palm Springs. Comment
  RSA679814  Chorizanthe parryi var. parryi LeRoy Gross, Valerie Soza 2003-5-8 834 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  SD138829  Chorizanthe parryi var. parryi Craig Reiser 1993-3-29 Riverside North of Lewis Valley Road and east of Sage Road Comment
  UCR220137  Chorizanthe parryi var. parryi D. E. Bramlet 1995-4-13 2393 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, 7800 ft. north of Rawson Rd., 5800 ft. east of MWD canal, & 1200 ft. NE of knoll 2143 616 Comment
  UCR260835  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41519 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 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
  SD137672  Chorizanthe polygonoides var. longispina Darin L. Banks, Steve Boyd 1995-5-9 317 Riverside NW Palomar Mountains, north of the Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 730 Comment
  UC1600856  Chorizanthe rigida Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  UCD99879  Chorizanthe rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  CLARK-A1528-730  Chorizanthe staticoides Bill Marks 1971-5-16 Riverside Santa Ana Mountains Comment
  RSA388504  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA586797  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-3 235 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
  UCR49769  Chorizanthe staticoides D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UCR79490  Chorizanthe staticoides Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approximately 1 mi 534 Comment
  SD104517  Chrysolepis sempervirens Betty Mackintosh 1973-7-28 Riverside El Toro Peak, Santa Rosa Mountains 2654 Comment
  POM316422  Chrysothamnus paniculatus R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55386 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles north of Whitewater Post Office 595 Comment
  RSA340178  Chrysothamnus paniculatus R. F. Thorne, C. W. Tilforth 1980-5-28 54189 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  UC1292624  Chylismia brevipes C. L. Hitchcock and C. V. Muhlick 1964-3-22 23242 Riverside wash 1 mi n Chuckwalla Spring; Chuckwalla Mts. Comment
  UC667280  Chylismia cardiophylla subsp. cardiophylla Annie M. Alexander and Louise Kellogg 1941-5-26 2238 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 975 Comment
  UCD103873  Chylismia claviformis R. W. Scora 1966-4-1 3009 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  CAS-BOT-BC160588  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  CAS-BOT-BC160592  Chylismia claviformis subsp. aurantiaca L. A. Greata 1905-4-1 s.n. Riverside [Coachilla] Coachella Comment
  CAS-BOT-BC160607  Chylismia claviformis subsp. aurantiaca Lewis S. Rose 1936-12-22 36805 Riverside 5 mi. W. of Indio Comment
  CAS-BOT-BC160634  Chylismia claviformis subsp. aurantiaca Donald W. Kyhos 1964-3-1 64 -3 Riverside 0.7 miles from U. S. Highway 99 on road to Snow Creek Comment
  CAS-BOT-BC160639  Chylismia claviformis subsp. aurantiaca Hasse 1907-2-1 s.n. Riverside Palm Springs Comment
  UCSB12722  Chylismia claviformis subsp. aurantiaca Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon; near Los Angeles Aqueduct Road; Colorado Desert Comment
  RSA797396  Cirsium acaulescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  RSA770684  Cirsium californicum var. californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4787 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET232559  Cirsium occidentale var. californicum A. C. Sanders, B Pitzer 1987-4-21 7048 Riverside Box Springs Mountains near southernmost radio towers (Riverside East Quad) 792 Comment
  UCR80804  Cirsium occidentale var. occidentale Scott D. White 1993-5-29 1437 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  POM320357  Cirsium scariosum Worthman 1968-5-16 180 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  POM98805  Cistanthe ambigua P. A. Munz 1926-1-31 9982 Riverside Clay hills, west of Dos Palmos, Colorado Desert. Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA65413  Cistanthe monandra F. W. Peirson 1921-4-13 4317 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  RSA769618  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  RSA674924  Clarkia epilobioides Scott D. White, Pam DeVries 2000-4-25 7729 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UC20315  Clarkia epilobioides Mrs. Gregory 1892-1 Riverside San Jacinto San Jacinto Comment
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Jul 22 2010
  UCR107381  Clarkia epilobioides B. G. Pitzer 1997-3-23 2957 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR139193  Clarkia epilobioides Virginia Moran 2003-4-9 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 427 Comment
  UCR26383  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, S. Hagopian 1981-5-20 2131 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  SEINET6944613  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  POM122431  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR230190  Claytonia parviflora A. C. Sanders 2011-4-6 38977 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
  SEINET3376701  Claytonia perfoliata Norman C. Cooper 1944-5-21 1301 Riverside San Jacinto Mtns. West Side. 914 Comment
  RSA613430  Clematis D. L. Banks 1997-4-5 1662 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  UCR16946  Clematis ligusticifolia Helen Leach 1966-11-1 c661101- 2 Riverside Pedley Rd., City of Mira Loma Comment
  POM9597  Clematis pauciflora I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  CAS-BOT-BC416390  Coleogyne ramosissima Reid Moran 1941-5-4 840 Riverside East of Quail Spring, Joshua Tree National Monument 1300 Comment
  JOTR32629  Coleogyne ramosissima La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2552 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  POM305714  Collinsia concolor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1025 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR23209  Collinsia concolor J. C. Lyman 1981-5-31 s.n. Riverside San Jacinto Mtns., May Valley Road, Idyllwild 1768 Comment
  UCR4245  Collinsia concolor K. S. Gill 1965-3-28 047 Riverside Riverside, 1 mi north of corner of Wood and Roberts Roads in Woodcrest. south of Riverside at margin of Gavilan Hills 549 Comment
  UCR44154  Collinsia concolor A. C. Sanders, B. Pitzer 1986-4-30 6477 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UCR91685  Collinsia concolor Steve Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  SD152751  Collinsia heterophylla Steve Boyd 1992-4-15 6868 Riverside San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  RSA343114  Collinsia heterophylla var. heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UC52439  Collomia grandiflora Miss Ella Foster 1897-5-12 530 Riverside N. Fork S. Jacinto River San Jacinto Mt. Comment
  RSA774480  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside NW of the Blythe airport and in the washes eas of the McCoy mountains. Comment
  SD140011  Colubrina californica Andy C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside McCoy Mountains; within I(c) mile of Mc Coy Spring, below and to the south of the canyon bottom 244 Comment
  UCR236548  Colubrina californica Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-23 1217 Riverside Sonoran (Colorado) Desert, NW of the Blythe airport and in the washes east of the McCoy Mountains 201 Comment
  CAS-BOT-BC520440  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd jct., large wash on SW side of road 726 Comment
  UCR207235  Conium maculatum O. F. Clarke 2007-4-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA618422  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, at the intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  UCR104624  Convolvulus simulans D. E. Bramlet 1993-3-30 2300 Riverside Siegal Ranch Road approximately 90m south of Cajalco Road and 976m east of the intersection of Cajalco Rd. and Sierra Ave., 20 m west of Siegal Ranch Road 427 Comment
  UCR217666  Convolvulus simulans Ana Hernandez, Rose Cook 2010-4-15 016 Riverside Perris-Aguanga Basin, Estelle, c. 265m south of Cajalco Road, c. 335m east of La Sierra Ave. intersection 426 Comment
  UCR48519  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR35231  Cordylanthus nevinii L. B. Ziegler 1967-8-30 229 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  UCR178323  Cordylanthus rigidus T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 616 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA305757  Cordylanthus rigidus subsp. setiger Larry L. Norris 1971-9-18 1311 Riverside Vail Lake. 457 Comment
  SBBG95153  Cordylanthus rigidus subsp. setiger S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  RSA643671  Coreopsis bigelovii A. C. Sanders 1995-4-13 16489 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blvd. 701 Comment
  RSA0114924  Corethrogyne filaginifolia Mitch Provance 2012-7-17 712 -20 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd 735 Comment
  SDSU13703  Corethrogyne filaginifolia var. filaginifolia James C. Dice, J. D. Tenhunen 1987-9-9 723 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northwest 1/4 of northwest 1/4 of section 35. 378 Comment
  CAS-BOT-BC209728  Cornus glabrata P. A. Munz 1922-6-24 5806 Riverside Hemet Valley, San Jacinto Mts. Along banks of Pipe Creek 1524 Comment
  CAS-BOT-BC291363  Cotula coronopifolia Steve Boyd 1986-4-19 1720 Riverside Warm Springs Valley, along Alberhill Creek drainage E of Nichols Road Comment
  RSA737119  Cotula coronopifolia Justin M. Wood 2008-10-15 185 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR60657  Crassula aquatica R. F. Thorne 1973-5-23 43849 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCD101837  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  CLARK-A1045-231  Crassula erecta George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA0116270  Cressa truxillensis Mitch Provance, Ken Halama 2003-6-15 17050 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SD186166  Crocanthemum scoparium A. C. Sanders 2004-4-20 27535 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR88435  Crossosoma bigelovii A. C. Sanders, K. C. Rose 1995-4-5 16349 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  LA204874  Croton californicus Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  POM278344  Croton californicus Lyman Benson 1933-3-31 4154 Riverside US 66, 10 miles E of Banning 457 Comment
  RSA663933  Croton californicus C. R. Annable 1995-3-9 2255 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  RSA758485  Croton californicus Michael Wall 2009-9-11 546 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  SEINET9252911 Image available Croton californicus Ronald L. Hartman, Fred Seaman 1972-3-23 3232 Riverside Hwy 111, 2 mi N of Palm Springs Comment
  UCR237692  Croton californicus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4604 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
  SBBG133561  Croton setiger S. D. White, A. Carey 2004-7-2 10573 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR260573  Croton setiger T. B. Salvato 2014-5-29 8029 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  POM118685  Cryptantha angustifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  RSA778224  Cryptantha angustifolia Duncan S. Bell 2009-3-7 29 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA778489  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA799878  Cryptantha angustifolia Scott D. White, Robert Black 2011-2-25 13388 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SBBG25603  Cryptantha angustifolia E. R. Blakley 1966-4-9 6749 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  UC729732  Cryptantha angustifolia Carl B. Wolf 1932-4-27 Riverside 17 mi e Mecca; Colorado Desert 152 Comment
  UCR116714  Cryptantha angustifolia Helen Kennedy, Sara Mills 2001-3-17 5398 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCR224440  Cryptantha angustifolia Dave Silverman 2010-3-30 7871 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  UCR74378  Cryptantha angustifolia Theo Glenn 1991-5-1 91- 48 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  POM99146  Cryptantha angustifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UCR175225  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 6716 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  SD224874  Cryptantha costata A. C. Sanders, G. Helmkamp & P. Mackay 1995-3-12 16021 Riverside Coachella Valley: Indio, just SW out the Whitewater River Channel at Auto Center Dr. (Hwy 111). Remnant patch of low dunes. -7 Comment
  SEINET3830323  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-1 10435 Riverside BLM. Ca 5 miles west of Blythe, south of I-10 and north of the transmission line. 142 Comment
  UCR112397  Cryptantha holoptera A. C. Sanders, T. B. Salvato 2000-5-16 23391 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  RSA556514  Cryptantha intermedia Julie Greene 1993-4-10 1138 a Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA703371  Cryptantha intermedia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1426 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA798546  Cryptantha intermedia R. F. Thorne, E. W. Lathrop 1977-5-18 49752 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SD133160  Cryptantha intermedia Scott White 1991-5-13 91 112 Riverside Highway 79, immediately west of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UC78535  Cryptantha intermedia J. C. Nevin Riverside San Jacinto Mts. Comment
  UCR250877  Cryptantha intermedia S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1040 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  RSA337994  Cryptantha maritima F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palm Canyon, Coachella Valley Comment
  SD87813  Cryptantha maritima Frank W. Peirson 1935-4-17 11474 Riverside 30 miles north of Blythe on small alluvial flat along the Colorado River Comment
  UCR269839  Cryptantha maritima var. maritima A. C. Sanders, Jim Malusa 2016-3-18 42379 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA346260  Cryptantha micrantha R. F. Thorne, C. W. Tilforth 1980-4-16 54049 Riverside Along Whitewater River, E of bridge and levee Comment
  RSA499647  Cryptantha micrantha B. C. Templeton, I. W. Clokey 1930-4-9 1073 Riverside North of Palm Springs. Colorado desert 400 Comment
  SEINET2075873  Cryptantha micrantha G. Rink 1999-5-20 Riverside San Jacinto Mountains, Goff Flat at Morris Ranch Rd., SE of Idyllwild 1500 Comment
  UC1279966  Cryptantha micrantha Peter H. Raven with R. Snow 1957-7-26 11122 Riverside 1.8 mi above Lake Fulmor; San Jacinto Mountains Comment
  UCSB10422  Cryptantha micrantha Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 Comment
  UCSB38686  Cryptantha micrantha Cowan, Clark 1978-4-24 Riverside 19.6 mi. (31.3 km.) S on 74 from jct. w/ Hwy. 111 at Indian Wells Sta. Rosa Mt. Rd., 1.9 mi. (3 km.) S. of 74 Comment
  RSA164774  Cryptantha micrantha var. lepida Wesley O. Griesel 1962-6-29 718 Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  SDSU21766  Cryptantha micrantha var. micrantha R. F. Thorne 1995-3-29 63025 Riverside Transverse Ranges; San Bernardino Mountains region: White Water Canyon. 600 Comment
  SBBG101668  Cryptantha micromeres S. Boyd 1991-5-20 6274 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  POM157916  Cryptantha microstachys P. A. Munz 1927-5-20 10822 Riverside 10 miles S. of Hemet. Comment
  JEPS67712  Cryptantha muricata W. L. Jepson 1901-5-19 1299 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  SBBG118556  Cryptantha muricata L. Gross with V. Soza 2003-5-8 832 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UC1595557  Cryptantha muricata Steve Boyd and Rita Gentry 1991-5-30 6316 Riverside summit of Hogbacks on Gentry Experimental Farm Murrieta, Hogbacks 542 Comment
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May 18 2009
  UC24695  Cryptantha muricata H. M. Hall 1901-6-1 2052 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR178315  Cryptantha muricata T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 629 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR242673  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  RSA0079412  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4032 B Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0079425  Cryptantha muricata var. jonesii P. A. Munz, I. M. Johnston 1922-5-21 5502 Riverside Kenworthy, San Jacinto Mountains. 1432 Comment
  JOTR16630  Cryptantha utahensis Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UC857297  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5856 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  RSA690942  Cucurbita Scott D. White, Michael Honer 2003-5-27 9398 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  POM3644  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  SEINET891458  Cuscuta californica var. papillosa Lewis S. Rose 1946-1 46300 Riverside Cathedral Canyon Wash 182 Comment
  UCR113852  Cuscuta pentagona Mitch Provance, A. C. Sanders 2000-7-4 2105 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA49307  Cuscuta subinclusa Duncan S. Bell, Colleen Wheeler 2010-7-19 1632 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
  UCR20826  Cylindropuntia echinocarpa Don Emery 1980-5-15 s.n. Riverside Sonoran (Western Colorado) Desert, Coachella Valley, Devers Hill, near the So. Cal. Edison substation 305 Comment
  UC1931672  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside UC Riverside Botanic Garden Comment
  RSA771109  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4729 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65122 604 Comment
  UC816850  Cynodon dactylon Ivan Johnston 1917-4-4 1116 Riverside Palm Canyon; Colorado Desert, Palm Canyon Comment
  UCR182956  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Sonoran (Colorado) Desert, SE of Blythe, Palo Verde Valley 79 Comment
  POM158184  Cyperus eragrostis Phillip A. Munz, I. M. Johnston 1928-9-6 11269 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR65280  Cyperus erythrorhizos Steve Boyd, T. S. Ross 1989-8-28 3801 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  SD224786  Cyperus involucratus A. C. Sanders, G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn. In vicinity of the debris basin above the W end of Sunny Dunes Rd. 185 Comment
  UCR272473  Cyperus laevigatus Mitch Provance 2012-8-1 712- 03 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  CAS-BOT-BC113944  Cyperus odoratus Samuel B. Parish 1913-9-20 8616 Riverside In the small stream from the RR waterworks, Mecca. Salton Sink. -57 Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA680162  Cystopteris fragilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8626 B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR108364  Cystopteris fragilis L. C. Wheeler 1961-6-20 7887 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  RSA703453  Dactyloctenium aegyptium R. E. Riefner Jr. 2004-7-30 4 -281 Riverside City of Norco, Sixth Street at Sierra Avenue. USGS 7.5' Quad: Corona North. 200 Comment
  RSA517813  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1428 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA517825  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1443 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCD65766  Dasyochloa pulchella B. A. Madson 1947-9-15 Riverside East side of San Jacinto Mts. Between Palm Springs and Idyllwild. 914 Comment
  OBI43206  Datisca glomerata Hal Royaltey 1970-5-15 Riverside 9 mi from De Luz on Murrieta-Fallbrook rd Comment
  RSA561892  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-6-10 7635 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  CAS-BOT-BC293817  Deinandra fasciculata Mitch Provance 1998-6-24 714 Riverside Jurupa Mountains: Canyon NE of the Jurupa Mountains Culture Center, ca. 0.7km SW of peak 1701 335 Comment
  SD181708  Deinandra fasciculata Scott D. White 2001-6-29 8628 A Riverside Menifee Valley, ca. 1.4 nmile southwest of I-215/Newport Road interchange, northwest of the intersection of Holland Road and Bradley Road. 438 Comment
  UC1519491  Deinandra fasciculata Robert Gustafson and Gary Wallace 1983-6-23 2720 Riverside along Clinton Keith Road ca 2 1/2 mi from its junction Hwy 15; Santa Ana Mts. Comment
  RSA703539  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  HSC34791  Delphinium hesperium R. E. Cooksey Mar 1974 205 Riverside Salton Sink in San Bernardino Mtns., White Water Canyons 305 Comment
  RSA398677  Delphinium parishii Bonnie C. Templeton 1930-4-9 1086 Riverside North of Palm Springs, Colorado Desert. 430 Comment
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  SD140017  Delphinium parryi Scott White 1993-4-22 1249 Riverside North Aberhill Ranch, in hills N of Walker Canyon 487 Comment
  CAS-BOT-BC121426  Delphinium parryi subsp. parryi John Thomas Howell 1930-5-10 4795 Riverside At top of St. John's Grade Comment
  RSA585725  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 396 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA0019614  Delphinium parryi subsp. parryi J. D. Olmsted 1958-6-15 187 Riverside S. Fork San Jacinto River just below its outlet from Hemet Lake, 10 mi. S of Mt. Center off of Pines to Palms Highway. San Jacinto Mountains, San Jacinto River drainage area. 1280 Comment
  UC488915  Delphinium patens subsp. montanum C. V. Meyer June 1927 190 Riverside Saunder's Meadow San Jacinto Mts. 1615 Comment
  UCR281118  Delphinium patens subsp. montanum Mitch Provance 2017-5-10 517- 98 Riverside San Bernardino Mountains, Banning Canyon, along Banning Canyon Rd. (FS Route 2S01), S side of San Gorgonio River, 1 mile N of Roan Pk. 1277 Comment
  UC219264  Dendromecon rigida P. A. Munz and I. M. Johnston 1922-5-19 5406 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 762 Comment
  RSA336172  Deschampsia danthonioides R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52003 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  SD133230  Deschampsia danthonioides A. C. Sanders 1991-4-19 10926 Riverside Edgemont area, east of Sycamore Canyon; 0.8 miles west of highway I-215 on East Ridge dr; just west of Pepsi Plant 466 Comment
  SD232142  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto mountains, Garner Valley, near abandoned duck ponds, South of Quinn Flat. Comment
  JEPS53453  Descurainia pinnata Marjorie Clary 1931-4-4 16 b Riverside Coachella Colorado Desert, Coachella Valley (Coral Reef Ranch) Comment
  UCR241478  Descurainia pinnata Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1007 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  RSA696601  Dicentra chrysantha Keith E. Hoffmaster 1934-4-8 143 Riverside Santa Ana Mts. Comment
  UCR144102  Dichanthelium acuminatum subsp. fasciculatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Peninsular Ranges; Santa Ana Mountains region, Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary 579 Comment
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May 3 2007
  JEPS64182  Dichelostemma capitatum Marjorie D. Clary 1932-3-20 1593 Riverside 10 mi nw Garnet; Mission Creek 548 Comment
  UCR120158  Dichelostemma capitatum Mitch Provance 1998-2-28 120 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  POM1675  Dichelostemma capitatum subsp. capitatum I. M. Johnston s.n. Riverside Andreas Canyon 274 Comment
  RSA367528  Dichelostemma capitatum subsp. pauciflorum N. C. Cooper 1944-4-8 1093 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA70375  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1919-4-12 s.n. Riverside Tahquitz canyon near Palm Springs. Comment
  UCR41368  Dichelostemma capitatum subsp. pauciflorum N. M. Fellows 1985-3-3 83 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA737263  Digitaria sanguinalis Scott D. White, Justin M. Wood 2008-9-17 12539 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  CAS-BOT-BC150936  Diplacus bigelovii var. bigelovii Edmund C. Jaeger 1939-3-30 s.n. Riverside Desert Center Comment
  CAS-BOT-BC153092  Diplacus fremontii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA0019426  Diplacus fremontii Anstruther Davidson 1923-4-1 s.n. Riverside Idyllwild. Comment
  RSA751356  Diplotaxis erucoides Steve Morgan 1998-3-18 s.n. Riverside weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  RSA682566  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region: Riverside, UCR Botanical Garden, near the west fence above the Latin American section. 366 Comment
  CAS-BOT-BC195675  Distichlis spicata Frank W. Peirson 1922-4-9 4331 Riverside Murray Canyon, Colorado Desert Comment
  RSA717588  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SD248299  Distichlis spicata Peter Rubtzoff 1970-7-17 6285 Riverside 5 miles north of Sears Point (Sears Point 7.5'Q) 9 Comment
  UCR251899  Ditaxis claryana Jim Andre 2013-3-27 24823 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  RSA721887  Ditaxis lanceolata J. Mark Porter, Orlando Mistretta 2003-6-5 13616 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  RSA793973  Ditaxis serrata var. serrata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4352 Riverside Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam. 97 Comment
  CAS-BOT-BC43639  Dithyrea californica Lewis S. Rose 1957-1-9 57022 Riverside La Quinta. 15 Comment
  RSA510057  Dithyrea californica B. Pitzer, Steve Myers, J. Wilkinson 1988-2-21 598 Riverside S end of Coxcomb Mtns, 0.2 mi. N of Hwy 177 (Old Desert Center - Rice Road), 10.6 mi. NE of Desert Center. 229 Comment
  UC572414  Dithyrea californica H. S. Yates 1937-3-23 6406 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR50296  Dithyrea californica B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 s.n. Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  UCR60786  Dithyrea californica Steve Boyd, Orlando Mistretta 1986-3-13 1411 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  POM95311  Dithyrea californica Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  SBBG103911  Dodecatheon clevelandii S. D. White 1993-4-20 1213 Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  RSA614301  Draba cuneifolia D. L. Banks, Victor Steinmann 1997-3-13 1507 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
  UCR4736  Draba cuneifolia O. F. Clarke 1966-2-3 s.n. Riverside Box Springs Mtns, E of the E end of Box [Big] Springs Road 305 Comment
  CAS-BOT-BC41700  Draba cuneifolia var. sonorae H. M. Hall 1903-4-1 3804 Riverside Vicinity of Riverside. 365 Comment
  CAS-BOT-BC535006  Drymocallis glandulosa var. reflexa C. B. Wolf 1931-5-11 1961 Riverside San Jacinto Mts. near Pipe Creek above Hemet Valley, Upper Sonoran 1676 Comment
  IRVC138  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-6-6 SJ 249 Riverside San Jacinto Mountains; Indian Creek. Peninsular Ranges 640 Comment
  UCR240657  Dryopteris arguta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 428 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  CAS-BOT-BC427976  Dudleya arizonica S. B. Parish; W. F. Parish 1882-4-1 588 Riverside Borders of the Colorado Desert, Whitewater Comment
  UCSB2520  Dudleya cymosa Gray, Caroline 1956-4-13 Riverside In White Water Canyon; near White Water Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UCR78336  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside tributary to Olsen Canyon, c. 76m south of the canyon, and 90m east of the existing dirt road, c. 213m NE of the existing El Sobrante Landfill 375 Comment
  UCR237696  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4738 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  UCR59537  Echinocereus engelmannii subsp. engelmannii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3581 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  JOTR01123  Echinocereus triglochidiatus Cole, James E. 1941-5-17 730 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  RSA0106466  Echinochloa crus-galli Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC1131531  Echinochloa crus-galli H. S. Yates 1937-6-28 6743 Riverside near Indio; Thermal Quad. Comment
  SD204871  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
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Mar 31 2015
  SEINET3896142  Elatine californica Robert F. Thorne, M. Z. Thorne; Walter Wisura 1978-5-21 51987 Riverside Santa Rosa Plateau, Mesa de Colorado.; 0 610 Comment
  SEINET11990727  Elatine californica R. F. Thorne, Thorn, M. Z.; Wisura, W. 1978-1 51987 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  JOTR32524  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SD186018  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd. 412 Comment
  SEINET7586289 Image available Eleocharis macrostachya Steve Boyd, Dave Bramlet 1996-4-19 8612 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UC1832  Eleocharis macrostachya A. J. McClatchie Apr 1892 23 Riverside near Elsinore Comment
  SBBG90326  Eleocharis palustris L. F. LaPre 1988-7-22 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau W of town of Murrieta 548 Comment
  RSA708179  Eleocharis parishii Scott D. White, Angelia Carey 2004-5-7 10323 Riverside Indian Creek and adjacent foothills. 549 Comment
  SD137988  Eleocharis parishii Darin L. Banks, Steve Boyd 1995-5-3 219 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  HSC79579  Elymus condensatus Paul Bailey 1972-5-14 126 Riverside 6 miles NE of Temecula near Rancho California Drive, Tucalota Hills. 457 Comment
  SEINET3929485  Elymus condensatus R. L. Piemeisel 1914-2-17 3812 Riverside Mt. Rubidoux.; 0 Comment
  POM13071  Elymus elymoides E. C. Jaeger 1921-6-25 s.n. Riverside Caramba, Palms to Pines Trail, San Jacinto Mountains., [Caramba Camp: 34 deg 47'N, 116 deg 37'25W] Comment
  JOTR34098  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2932 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  RSA559319  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, D. E. Bramlet 1992-5-13 7368 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  UCR95716  Elymus glaucus subsp. jepsonii D. L. Banks 1996-5-2 0943 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  RSA504543  Emmenanthe penduliflora Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  UCR199561  Emmenanthe penduliflora Scott D. White 2004-4-26 10269 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  JOTR32151  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2306 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  JOTR34010  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding 2010-4-7 2898 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA713875  Encelia actoni Michael Wall 2006-6-6 419 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  UC1536837  Encelia californica G. H. True Jr. 1935-3-13 96 Riverside Box Springs 365 Comment
  CAS-BOT-BC131342  Encelia farinosa Ira L. Wiggins 1941-3-24 9577 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  CAS-BOT-BC172828  Encelia farinosa A. C. Sanders; T. B. Salvato 2006-6-2 33068 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JOTR31865  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  LA202452  Encelia farinosa T. A. Geissman; 1966-3-12 31266 -EF Riverside Joshua Tree National Monument, S entrance Comment
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Sep 20 2013
  SD229084  Encelia farinosa Dick Schwenkmeyer 2012-11-6 872 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC1929588  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UC217945  Encelia farinosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4890 Riverside near Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UC68872  Encelia farinosa H. M. Hall 1905-4-1 5895 Riverside near Chuckwalla Springs; Colorado Desert Comment
  UCR120933  Encelia farinosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24933 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR75064  Encelia farinosa A. C. Sanders, E. J. Lawlor 1992-4-4 12129 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB18836  Encelia farinosa Beringer, George 1963-5-5 Riverside Near State Highway 74; 9.7 miles E of Pinyon Flats Public Campground 670 Comment
  POM250427  Encelia farinosa var. farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs. Colorado desert. Comment
  POM356679  Encelia farinosa var. farinosa E. A. McGregor 1964-3-24 s.n. Riverside Painted Canyon, S of Desert Center. Comment
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA701159  Encelia frutescens Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11263 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range., [Coordinates are off a little and map in Riverside Co.] 570 Comment
  RSA792915  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  CLARK-A1528-4991  Encelia virginensis subsp. actonii John C. Roos 1948-4-24 3798 Riverside Whitewater Comment
  HSC82829  Ephedra aspera A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6142 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  NY70188  Ephedra aspera L. M. Shultz 1985-4-10 8330 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15) 615.7 Comment
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Apr 5 2011
  UCR240045  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mtns., Hwy 74 near 'Agave Hill', 0.3 km SW (249 deg. ) of VABM 'Lucky', 1.6 km NE (37 deg. ) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs 801 Comment
  UCR41523  Ephedra aspera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6096 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  PASA1843  Ephedra californica R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. 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
  SBBG54310  Ephedra californica C. Gustafson 1977-4-7 5575 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  NY70344  Ephedra nevadensis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs, Colorado Desert Comment
  RSA0054982  Ephedra nevadensis Bruce Haines 1962-4-16 123 A Riverside 3/4 mile East of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument. 1295 Comment
  RSA85174  Ephedra trifurca F. W. Peirson 1938-4-10 12378 Riverside Near banks of Colorado River, 12-15 miles north of Blythe. Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 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-BC171737  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UCR39542  Epilobium ciliatum A. C. Sanders 1980-8-23 1748 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM48731  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1924-7-29 8830 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  POM48407  Epilobium ciliatum subsp. glandulosum P. A. Munz, I. M. Johnston 1924-7-28 8811 Riverside Pine Flats 1738 Comment
  RSA356642  Epilobium densiflorum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47296 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  UC64473  Epilobium densiflorum H. M. Hall June 1901 2292 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UCR202593  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-8 12399 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR268589  Epilobium densiflorum Jim Andre 2012-6-15 30541 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  POM266631  Epipactis gigantea J. C. Roos 1942-5-2 1129 Riverside Cottonwood Springs, northern Colorado Desert. Comment
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Oct 9 2010
  RSA684637  Equisetum laevigatum Gale Sphon 1956-6-13 s.n. Riverside Hemet Meadow, Mountain Meadow Comment
  UCD62922  Eragrostis barrelieri Beecher Crampton 1964-6-19 7012 Riverside UC - Riverside experimental grounds; plant introduction nursery. Comment
  UCR74526  Eragrostis curvula var. conferta Steve Morgan 1992-7-27 92- 7 Riverside City of Riverside, UCR Campus Comment
  UCR90283  Eragrostis lehmanniana Scott D. White 1995-7-7 3451 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  SBBG34550  Eragrostis mexicana T. L. Secrest 1950-3-11 Riverside near Indio Comment
  JEPS68602  Eremalche exilis W. L. Jepson 1927-4-11 11629 Riverside Whitewater n.w. Colorado Desert, Whitewater 457 Comment
  SD113835  Eremalche rotundifolia Darley F. Howe 1952-4-28 2197 Riverside Box Canyon, east of Mecca. Comment
  UC1168715  Eremalche rotundifolia Peter H. Raven 1958-2-15 11567 Riverside Corn Springs Chuckwalla Mts., Corn Springs Comment
  POM312754  Eremocarpus setiger D. Taylor 1952-10-30 394 Riverside Santa Ana Mts., head of Sycamore Canyon-near Riverside. 457 Comment
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Mar 27 2014
  CAS-BOT-BC160063  Eremothera boothii subsp. condensata Roxana S. Ferris 1918-6-14 999 Riverside Near Gruendikes Well, Mecca - Blythe Road Comment
  SBBG100308  Eremothera boothii subsp. decorticans W. L. Halvorson 1977-2-5 77 -15 Riverside near jct of I-10 and rd to Joshua Tree Nat Monument Comment
  UCR279409  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-25 42998 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
  RSA0119709  Eriastrum diffusum subsp. coachellae H. L. Mason 1952-4-7 14214 Riverside Palm Canyon, Palm Springs. Comment
  RSA0120050  Eriastrum eremicum subsp. eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11280 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA0120089  Eriastrum eremicum subsp. eremicum Michael Wall 2008-4-26 454 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  RSA0120095  Eriastrum eremicum subsp. eremicum C. B. Wolf 1932-5-25 3678 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  UC998336  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside corner of Indian Ave and Ramon Road; Palm Springs Comment
  RSA0120073  Eriastrum eremicum subsp. eremicum P. A. Munz 1921-5-1 4552 Riverside 5 miles northeast of Whitewater. 457 Comment
  RSA0120679  Eriastrum harwoodii Duncan S. Bell 2012-4-5 3305 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 137 Comment
  RSA0120683  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  CLARK-A1528-705  Eriastrum sapphirinum subsp. dasyanthum C. M. Flanagan 1973-5-31 OO 617 Riverside Sunnymead 609 Comment
  RSA0122949  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 2004-5-5 27763 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  SD255094  Ericameria cuneata var. spathulata Duncan S. Bell 2015-9-30 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA696866  Ericameria linearifolia J. Russell Bruff 1928-12-4 s.n. Riverside 1 mi. W. of Split Rock. Comment
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Oct 23 2011
  SD82891  Ericameria linearifolia Larry DeBuhr 1972-3-24 533 Riverside Santa Rosa Mountains, along forest road 7S02. 1769 Comment
  CAS-BOT-BC299537  Ericameria paniculata Lewis S. Rose 1946-12-25 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass 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
  POM357417  Erigeron breweri var. jacinteus Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  RSA19448  Erigeron foliosus I. W. Clokey 1935-8-21 6961 Riverside E of Keen Post Office 1350 Comment
  RSA761982  Erigeron foliosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 691 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCD65712  Eriochloa acuminata A. R. Roos 1937-11-28 Riverside East Washington St., Riverside. Comment
  RSA659721  Eriochloa acuminata var. acuminata J. C. Roos 1937-11-28 s.n. Riverside East Washington St., Riverside. Comment
  RSA455024  Eriodictyon crassifolium H. de Forest 1933-4-17 17595 Riverside Chino Canyon, Colorado Desert. Comment
  SD227835  Eriodictyon crassifolium A. C. Sanders, John Green 1999-5-31 22797 Riverside Box Springs Mtns: upper Two Trees Canyon, E of Belvedere Heights (Riverside East 7.5' Q) 609 Comment
  CAS-BOT-BC189123  Eriodictyon crassifolium var. crassifolium H. M. Hall 1897-5-19 561 Riverside Hemet Comment
  SDSU13545  Eriodictyon crassifolium var. crassifolium C. Mosse with W. Miller 1972-7-20 Riverside Along road frm Royal Oak before Y in road, where old gate used to be. Comment
  HSC93339  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  CAS-BOT-BC248632  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  RSA65230  Eriogonum apiculatum F. W. Peirson 1924-7-29 5026 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  POM229032  Eriogonum davidsonii P. A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA393467  Eriogonum davidsonii Anstruther Davidson 1892-7-3 s.n. Riverside San Jacinto. Comment
  UC218108  Eriogonum davidsonii P. A. Munz 1922-6-25 5822 Riverside bet. Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  UC534910  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside near Idyllwild; San Jacinto Mts. Comment
  SEINET11932637  Eriogonum davidsonii J. F. Emmel 1979-1 694 Riverside SE end Jacinte Mts S base of Sugarleaf Mt. near SE end of Pinyon Flat 1219 Comment
  CAS-BOT-BC256120  Eriogonum deflexum var. deflexum W. L. Jepson 1912-10-22 5235 Riverside Near Riverside Mts., along the Colrado River, Needles to Yuma 137 Comment
  UCR161402  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  SD48523  Eriogonum elongatum var. elongatum E. K. Balls, P. C. Everett 1957-11-4 22750 Riverside granite wash, Snow Creek, about old Fish Hatchery; n. base San Jacinto Mts. 701 Comment
  CLARK-A1528-3737  Eriogonum fasciculatum C. Epling, H. Lewis 1941-5-2 Riverside Chuckwalla Mountains Comment
  UCR178538  Eriogonum fasciculatum R. G. Swinney 1967-5-26 135 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCR158522  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30044 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-BC249896  Eriogonum fasciculatum var. flavoviride Frank W. Peirson 1928-4-24 7907 Riverside Cottonwood Spring Comment
  UC1220422  Eriogonum fasciculatum var. flavoviride R. L. Langston 1963-4-11 347 Riverside about 1 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  UCD99982  Eriogonum fasciculatum var. flavoviride William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  OBI11104  Eriogonum fasciculatum var. foliolosum Tracey & Viola Call, Viola Call 1962-4-13 2131 Riverside Tin Mine Cyn near Corona Comment
  RSA192060  Eriogonum fasciculatum var. foliolosum E. W. Lathrop 1965-4-26 5697 Riverside 4 miles southwest of Murrieta. Comment
  RSA701344  Eriogonum fasciculatum var. foliolosum M. Wall 1996-1-5 116 Riverside S of Hemet along Bautista Canyon Rd, S of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  RSA784656  Eriogonum fasciculatum var. foliolosum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 62 Riverside Temescal Canyon road, exit Indian Truck Trail from Hwy 5, southern coast of Corona lake, dry flood-plain. Comment
  UCR172259  Eriogonum fasciculatum var. foliolosum 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
  RSA739339  Eriogonum fasciculatum var. polifolium Keith E. Hoffmaster 1936-4-26 714 Riverside Box Springs grade. Comment
  UC1032088  Eriogonum fasciculatum var. polifolium H. S. Yates 1936-4-7 5422 Riverside near Whitewater; San Jacinto Quadrangle Comment
  UC1366081  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie 1969-4-27 204 Riverside near Palm Springs; Andreas Canyon 365 Comment
  UC64571  Eriogonum fasciculatum var. polifolium H. M. Hall June, 1901 2000 Riverside Box Springs Comment
  UC64569  Eriogonum gracile H. M. Hall 1897-8-29 866 Riverside Riverside Comment
  UCR128239  Eriogonum gracile A. C. Sanders, Kelly Volansky 2003-10-16 27340 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  JOTR29631  Eriogonum heermannii var. argense La Doux, Tasha, Mike Bell 2006-9-6 1583 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  CLARK-A1528-742  Eriogonum inflatum P. A. Rauch 1966-2-19 Riverside 60 Comment
  RSA548759  Eriogonum inflatum var. inflatum W. L. Halvorson 1977-2-15 77 -23 Riverside Junction of I-10 and road to Joshua Tree National Monument. Comment
  RSA0094199  Eriogonum maculatum Jim M. Andre 2012-4-11 20794 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  CAS-BOT-BC270591  Eriogonum molestum Peter Kamb 1948-10-21 1273 Riverside Hll Canyon, San Jacinto Mts. 1645 Comment
  SD22472  Eriogonum molestum Susan G. Stokes 1933-7-1 Riverside Idyllwild to summit of Banning Grade 1584 Comment
  UC849591  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 6594 Riverside e Keen Camp P.O. 1370 Comment
  JOTR34125  Eriogonum nidularium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1014 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  POM259133  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-14 15374 Riverside East of Toro Peak 2287 Comment
  RSA761986  Eriogonum nudum var. pauciflorum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 728 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC849625  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keen Camp P.O. 1425 Comment
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Nov 20 2010
  CAS-BOT-BC258050  Eriogonum plumatella Edmund C. Jaeger No date on label s.n. Riverside Dry Morongo Canon [Canyon] Comment
  UCSB18463  Eriogonum pusillum Schevill, Peggy 1963-5-5 Riverside State Highway 74; about 5 miles N-NW of Pinyon Flats Campground 731 Comment
  JOTR30124  Eriogonum reniforme La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1688 Riverside Joshua Tree National Park. Stop #3= Northwest end of Eagle Mtns., near road heading to Cottonwood 898 Comment
  SEINET2444091  Eriogonum reniforme C. Davidson 2010-4-1 11643 Riverside Highway 168 to Joshua Tree National Park, ca 1 mile from 1-10. 515 Comment
  SBBG65556  Eriogonum saxatile L. Rowntree 1929-5-10 Riverside Morongo Pass Comment
  CAS-BOT-BC263513  Eriogonum thomasii L. R. Abrams 1926-3-26 11112 Riverside Between Edon and Garnet east of San Gorgonio Pass Comment
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  UCR104038  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-5 2674 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  CAS-BOT-BC262876  Eriogonum thurberi John Thomas Howell 1931-6-4 6646 Riverside San Gorgonio Pass Comment
  POM10478  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmont Park. Comment
  CLARK-A1528-3709  Eriogonum trichopes Robin L. Kobaly 1977-3-23 Riverside Shavers Valley Comment
  UC912817  Eriogonum trichopes P. A. Munz and D. Keck 1922-4-14 4973 Riverside 10 mi w Inidan Wells (along the Whitewater); Colorado Desert 91 Comment
  SEINET3085992 Image available Eriogonum wrightii H. Dearing, M. Dearing 1941-11-29 4775 Riverside Cathedral Canyon 6 miles East of Palm Springs Comment
  RSA423082  Eriogonum wrightii var. membranaceum N. R. Zabriskie, Walter Zabriskie 1969-11-22 240 Riverside South end Marion Ridge Rd., Pine Cove, Idyllwild, San Jacinto Mountains. 1829 Comment
  SD173046  Eriogonum wrightii var. membranaceum Juergen Schrenk 2005-10-11 46 Riverside Santa Rosa Mountains, summit of Toro Peak 2650 Comment
  CAS-BOT-BC261931  Eriogonum wrightii var. subscaposum J. Ewan 1930-8-31 2133 Riverside North rim Tahquitz Valley, San Jacinto Mts. 2651 Comment
  UCR138559  Eriogonum wrightii var. subscaposum Steve Boyd, D. E. Bramlet 1988-10-8 2866 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  CLARK-A1528-4626  Erioneuron pulchellum John C. Roos 1949-3-5 4088 Riverside Orocopia Mountains Comment
  JEPS29473  Erioneuron pulchellum Lauramay T. Dempster 1962-4-18 1899 Riverside Palms-to-Pines Hwy Pinyon Flats 1066 Comment
  UCR51982  Erioneuron pulchellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2185 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  POM47482  Eriophyllum ambiguum var. paleaceum Mary F. Spencer 1920-4-7 1428 Riverside Palm Canyon 244 Comment
  RSA92916  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1919-4-13 1372 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  CAS-BOT-BC297346  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta, S of the Hogbacks. N of Hunter Rd to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Rd on the W 402 Comment
  RSA525428  Eriophyllum confertiflorum Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4537 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA651121  Eriophyllum confertiflorum Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  SFV3904  Eriophyllum confertiflorum P. G. Kilburn 1958-5-17 813 Riverside 3 miles south of Banning. 305 Comment
  UCR121  Eriophyllum confertiflorum Frances Miller 1964-5-5 M 6427 Riverside 20' below RR tracks at base of Box Springs Mtns, near end of Big Springs Rd. 381 Comment
  UCR193981  Eriophyllum confertiflorum A. C. Sanders 2008-7-25 35899 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UCR202427  Eriophyllum confertiflorum 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
  JOTR33939  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2828 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  JOTR35450  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 54 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  CLARK-A1528-5321  Eriophyllum multicaule John C. Roos 1940-5-4 882 Riverside Reche Canyon Comment
  UCR92384  Eriophyllum multicaule F. M. Reed 1930-4-8 6860 Riverside San Bernardino Mtns., Whitewater Canyon 610 Comment
  POM14085  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-14 4981 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA673541  Erodium botrys Scott D. White, Tasha LaDoux 2000-4-20 7675 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR93090  Erodium botrys Scott D. White 1995-3-30 2634 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA666645  Erodium brachycarpum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23877 Riverside Temecula, along east side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  SEINET8553362  Erodium cicutarium H. M. Hall 1903-1 3809 Riverside Vicinity of Riverside, in the Sonoran Zone 396 Comment
  UCD103199  Erodium cicutarium Barry Priggs; L. Martinez 1978-3-23 2400 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
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Sep 9 2013
  RSA741424  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR91548  Erodium moschatum A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18065 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  UCR123831  Erodium texanum Steven R. Hill, K. Kramer 2001-4-27 33491 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
  UCR62382  Eryngium aristulatum R. Montijo 1990-5-23 s.n. Riverside Mesa de Colorado, S edge of Santa Rosa plataeu 642 Comment
  RSA0016061  Erythranthe breweri Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1735 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0016050  Erythranthe cardinalis Mary F. Spencer 1923-7-1 2232 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA0022933  Eschscholzia androuxii C. L. Hitchcock 1932-4-7 12211 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  SDSU18743  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  SDSU832  Eschscholzia californica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  CAS-BOT-BC83136  Eschscholzia minutiflora Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2116 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  RSA795736  Eschscholzia minutiflora Jim Andre 2012-3-18 21287 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  CAS-BOT-BC419616  Eschscholzia parishii Javier Penalosa 1963-4-11 2805 Riverside Pines to Palms Hwy. (#74) above Palm Desert 762 Comment
  RSA115906  Eschscholzia parishii Richard Snow 1952-4-14 5 -Nov Riverside Along road to Morongo Valley, 7.8 miles from Jct with Hwy 99/60/70. Comment
  UCSB41507  Eschscholzia parishii Duke, Craig 1979-3-4 Riverside About 4 meters from roadway in Box Canyon Wash; along California 195; 12.5 miles east Valerie Jeans Date Shop 65 Comment
  SEINET4391055  Escobaria vivipara var. alversonii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-1 Riverside Comment
  RSA0012837  Eucalyptus tereticornis Chris M. Johnson 1970-3-16 74 Riverside Outside Corona, Hwy 71, at Rancho El Hermano entrance. 244 Comment
  RSA561814  Eucrypta chrysanthemifolia Steve Boyd 1992-4-14 6829 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR232518  Eucrypta micrantha Dave Silverman, Onkar Singh 2010-3-27 7865 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, west of A Canal/Levee Blvd, & c. 7 km N of Blythe Airport 136 Comment
  UC68569  Eulobus californicus H. M. Hall May 1905 6242 Riverside Shaver's Well Colorado Desert, Chilcoot Pass Comment
  UCR121305  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25018 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 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
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR139980  Euphorbia maculata A. C. Sanders 2004-8-10 28768 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR180056  Euphorbia polycarpa Mitch Provance 2005-5-18 9819 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA561782  Euphorbia spathulata Steve Boyd 1992-4-14 6846 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  CAS-BOT-BC167375  Fagonia laevis Edmund C. Jaeger 1922-3-22 s.n. Riverside Painted [Canon] Canyon, Colorado Desert Comment
  CAS-BOT-BC205628  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA699080  Fagonia laevis J. Russell Bruff 1929-12-28 450 Riverside Dos Palmas Comment
  SEINET3071531 Image available Fagonia laevis George K. Helmkamp, E. A. Helmkamp 1998-1 2657 Riverside Sonoran (Colorado) Desert; Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA777732  Fagonia pachyacantha Jim Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  SD225135  Fagonia pachyacantha G. K. Helmkamp 1998-4-4 3158 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vivinity of the pumping station. 305 Comment
  CHSC8316  Ferocactus cylindraceus Edward L. Smith 1957-4-3 231 Riverside 1 mi. off hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
  SD136959  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside De Luz Road, 8 miles west of Rancho California; side canyon of Sandia Creek 305 Comment
  UCR117081  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24199 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR171957  Festuca myuros John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  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
  CLARK-A1528-4670  Festuca reflexa John C. Roos 1938-4-9 1641 Riverside Riverside Comment
  CLARK-A1045-227  Filago arizonica George K. Helmkamp 1978-4-1 Riverside Cabazon north of Interstate highway 10; disturbed soil; Cabazon 7.5'Q Comment
  POM36325  Filago californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA586503  Filago gallica D. L. Banks, S. D. Boyd 1995-5-9 0334 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  CAS-BOT-BC384196  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-25 260 Riverside East of turnout 1/2 mi. up Sta. Rosa Mt. road from Hwy. 74; Santa Rosa Mts. 1371 Comment
  SEINET7907909  Fouquieria splendens D. A. Johnson 2005-1 Riverside Between Coachella and S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  JEPS46440  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Pt. Riverside Mts., Colorado River Comment
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Jun 8 2012
  RSA0018443  Fragaria vesca M. B. Dunkle 1933-7-20 3707 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA391416  Frankenia grandifolia S. B. Parish 1897-06 2589 Riverside Elsinore Lake Comment
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Nov 24 2011
  RSA7377  Frankenia salina Justin M. Wood 2008-10-29 210 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  RSA752294  Frankenia salina Scott D. White 2009-8-10 13349 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  SD73611  Fraxinus dipetala Helen V. Witham 1970-5-1 864 Riverside 10.4 miles south of Hwy 74. Bautista Canyon, southeast of Hemet. 1000 Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  RSA559957  Fraxinus velutina Steve Boyd, Orlando Mistretta 1992-4-23 7068 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UC3627  Fritillaria biflora H. M. Hall Apr. 1897 384 Riverside Winchester; Southern California, Winchester Comment
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Mar 20 2011
  CLARK-A1528-688  Fumaria officinalis Olga Kersteiner 1963-3-12 Riverside Indio Comment
  POM127906  Funastrum hirtellum Joseph Grinnell 1910-3-18 s.n. Riverside Riverside Mt. Colorado River. Rocky hillside. 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
  SEINET10496384  Funastrum hirtellum David B. Dunn Dunn 11874 Riverside Collected at Pushawalla Canyon on hills Comment
  LA35621  Galium andrewsii Ronald A. Cross; April 1952 - May 1952 Riverside California State Hwy. 74 near Santa Rosa Summit (aprox. 3 Mi. south) Comment
  RSA673471  Galium angustifolium Scott D. White, Tasha La Doux 2000-4-20 7716 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR256795  Galium angustifolium T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7871 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  JEPS30387  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside along trail to Suicide Rock and Mt. San Jacinto n Idyllwild; San Jacinto Mts. Comment
  RSA33783  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-5-19 1300 Riverside Banning. 701 Comment
  RSA6036  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-8-4 3921 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  RSA772405  Galium angustifolium subsp. angustifolium Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4860 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
  RSA682187  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  UCR147260  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR4674  Galium angustifolium subsp. jacinticum Frank C. Vasek 1964-7-25 640725- 25 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  RSA615100  Galium aparine D. L. Banks 1997-3-29 1579 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA0022211  Galium aparine D. W. Stevens 1966-5-21 834 Riverside Thomas Mt. Camp. Comment
  SD135315  Galium porrigens Craig Reiser, Dylan Hannon 1993-5-30 Riverside N slope of Santa Rosa Peak Comment
  RSA0121056  Galium stellatum Duncan S. Bell, LeRoy Gross 2016-3-29 9118 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  SBBG61255  Gayophytum racemosum R. Hoffmann 1929-9-5 Riverside Tahquitz Ridge 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
  UCD105705  Genista monosperma Anne Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region: Orangecrest area of SE Riverside, 17120 Cole Ave. 518 Comment
  CAS-BOT-BC303570  Geraea canescens N. Aitkenhead 1977-1-31 2117 Riverside 6 miles W of junction of 1000 Palms Canyon Rd Comment
  JOTR33850  Geraea canescens La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3062 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; Pinto Wash 322 Comment
  RSA780572  Geraea canescens Stephanie Rockwood, Christi Gabriel 2011-11-1 194 Riverside Pallen Dunes Road, Ford Dry Lake area. I10 exit 217. Chuckwalla Valley. 107 Comment
  SFV17346  Geraea canescens J. D. Dilley, J. N. Hogue 1998-4-24 281 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash on Corn Springs Road, 1 mile southwest of Interstate Highway 10. 274 Comment
  SEINET10726153  Geraea canescens David B. Dunn 1946-2-23 Dunn 1962 Riverside Collected in mud flats dry and caked and split. All American Canal catch basin from desert washes. Orocopia Mts. northeast of the Salton Sea. Very arid country. Comment
  POM12711  Geranium californicum P. A. Munz 1922-7-6 5985 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CAS-BOT-BC536093  Gilia A. C. Sanders 2005-4-22 29610 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi SE of summit of Gavilan Peak 624 Comment
  UCR261365  Gilia A. C. Sanders, Katie Young, John Hale 2015-4-22 41615 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  POM13241  Gilia angelensis P. A. Munz, I. M. Johnston 1922-5-19 5350 Riverside 5 miles NE of Murietta. 457 Comment
  RSA559421  Gilia angelensis Steve Boyd 1992-4-15 6880 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA583612  Gilia angelensis Steve Boyd, Darin L. Banks 1995-3-30 8411 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  SEINET3087627 Image available Gilia angelensis J. Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, S of Murrieta; small mesa just W of MEsa de Burro & Tenaja Road. Comment
  UCR214148  Gilia angelensis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37712 A Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  RSA0094785  Gilia capitata Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7937 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, just south of Interstate 10, where the Pacific Crest Trail passes under the freeway. 397 Comment
  RSA85117  Gilia capitata subsp. abrotanifolia J. C. Roos, Lucille Roos 1952-4-27 5585 Riverside San Timoteo Canyon south of Redlands. 427 Comment
  UC52725  Gilia capitata subsp. abrotanifolia H. M. Hall 1902-4-26 2985 Riverside Greene Canyon vicinity of Riverside, Greene Canyon 609 Comment
  UCR60707  Gilia maculata R. F. Thorne, M. Z. Thorne 1973-3-30 42656 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
  RSA774718  Gilia modocensis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4523 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR116977  Gilia ochroleuca A. C. Sanders, T. B. Salvato 2001-5-3 24086 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR18026  Gilia ochroleuca A. C. Sanders 1976-4-20 501 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  CAS-BOT-BC407607  Gilia ochroleuca subsp. exilis B. Trowbridge 1979-4-13 6071 a Riverside 5 miles E of Temecula off Hwy 71 762 Comment
  SEINET7040152  Gilia ochroleuca subsp. exilis A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  UCD117882  Gilia scopulorum C. W. Tilforth 1973-4-29 779 Riverside 9 miles south of bridge at base of Seven Level Hill, south of Palm Desert, Highway 74. Comment
  UCR237483  Gilia scopulorum Duncan S. Bell 2010-3-20 601 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  JOTR34278  Gilia sinuata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3293 Riverside Joshua Tree National Park. Little San Bernardino Mtns; ridge just south of Quail Mountain peak; N-facing steep slope (stop 5) Comment
  UCR25085  Gilia splendens A. C. Sanders 1980-7-18 1641 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA172282  Gilia stellata R. F. Thorne 1963-3-29 32396 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UC1595789  Gilia stellata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4637 Riverside 15.4 mi ne Mecca (Bajadas above Box Canyon, Lowdesert) Comment
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May 29 2011
  UCR193129  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas 2008-6-20 35538 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA725967  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns.: Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. 1220 Comment
  UC39037  Glyceria elata H. M. Hall Jul 1901 2457 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  RSA653260  Glycyrrhiza lepidota Mitch Provance 2000-8-5 2181 Riverside East side of N Main St, ca. 100 yards before the Riverside Ave/ Main St bridge crossing the Santa Ana River. 259 Comment
  UCR201862  Gnaphalium canescens Justin M. Wood 2008-9-19 133 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 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
  POM12920  Gnaphalium palustre P. A. Munz 1922-6-30 5919 Riverside Santa Rosa Mts.: Santa Rosa. 1981 Comment
  POM157887  Gnaphalium palustre P. A. Munz 1927-5-20 10799 Riverside Murrieta Hot Springs. Comment
  UCR155820  Gnaphalium palustre John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR281213  Gnaphalium palustre Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 52 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
  RSA736534  Gossypium Michael Denslow 2004-2-1 1906 Riverside North of Blythe; along Hwy 95, just south of Main Canal on west side of road. 76 Comment
  RSA152493  Gutierrezia californica Otto T. Solbrig 1958-8-20 2775 Riverside 1 mile from Pal Spring Palm Desert Hwy, near entrance to Tahquitz Canyon. Comment
  UC1509673  Gutierrezia californica Meredith A. Lane 1982-10-13 3028 Riverside 45.2 km (28.1 mi) e Keen Camp summit of the San Jacinto Mountains (on California State Highway 74) Comment
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Nov 20 2010
  UCR114845  Gutierrezia californica Mitch Provance 1998-2-17 59 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR199575  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM122960  Gutierrezia sarothrae Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  UC1213985  Gutierrezia sarothrae Otto T. Solbrig 1958-8-21 2773 Riverside on Hwy 74 11.1 mi e Keen Kamp Comment
  UC1214010  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2756 Riverside on Hwy 74 3.4 mi w of junction with Hwy 71 Comment
  UCR260513  Gutierrezia sarothrae T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7995 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR91875  Gutierrezia sarothrae A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15901 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  UCR85386  Haplopappus acradenius A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15879 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  SEINET273064  Harpagonella palmeri A. C. Sanders 1997-3-26 20116 Riverside Lake Skinner area: NW foot of the Tucalota Hills 0.2 mi E of main Skinner entrance road on a dirt service road 473 Comment
  UCR102841  Harpagonella palmeri A. C. Sanders 1997-4-3 20172 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR217510  Harpagonella palmeri Jeff B. Galvin 2009-4-1 81 Riverside Gavilan Plateau, Lake Matthews, South of Cajalco Road , east of the 'Bend 447 Comment
  UCR262278  Hedypnois cretica A. C. Sanders 2006-5-13 32286 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SDSU13562  Helianthemum scoparium W. Miller with C. Mosse 1972-7-19 Riverside Just outside soth gate, north side of road. Comment
  RSA180349  Helianthemum scoparium var. aldersonii E. W. Lathrop 1965-5-18 5754 Riverside 8 miles W of Murrieta; hills around 300 ft high. 609 Comment
  CAS-BOT-BC305711  Helianthus gracilentus Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  UCR271517  Helianthus gracilentus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8360 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  SBBG8404  Helianthus niveus H. and M. Dearing 1942-3-21 4836 Riverside Cathedral City, near Palm Springs Comment
  POM360099  Helianthus tuberosus Nellie V. Haynie 1929-6-22 1527 Riverside Railroad track. Comment
  RSA77874  Heliotropium curassavicum var. oculatum F. W. Peirson 1920-6-22 994 Riverside Temescal canyon 305 Comment
  SD122190  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River near aquaduct crossing. 245 Comment
  RSA614918  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mts. N slope of mts.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing. 854 Comment
  UCR82771  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mtns, N slope of the mtns: nameless tributary to Azalea Creek, c. 1 mi. due south of the Twin Pines Ranch buildings. 1128 Comment
  UCR209328  Hemizonia paniculata Fred M. Roberts 2009-9-10 7160 Riverside Murrieta, Murrieta Hot Springs along Murrieta Hot Springs Road, c. 0.6 km by road northwest of the junction with Winchester Road 345 Comment
  RSA691952  Hemizonia pungens subsp. laevis Scott D. White, Michael Honer 2003-4-9 8966 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR174159  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32598 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  OBI74464  Hesperocnide tenella David J. Keil 1983-4-15 16897 Riverside E of Temecula on SR79 Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA0008465  Heterotheca fastigiata Scott D. White, Michael Honer 2003-5-13 9247 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SDSU13566  Heterotheca grandiflora W. Miller with C. Mosse 1972-7-13 Riverside West of M.W.D. Station. Comment
  UCR22150  Heterotheca grandiflora Steve Boyd 1980-12-13 363 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  RSA735607  Heterotheca sessiliflora subsp. echioides LeRoy Gross, Duncan Bell 2008-9-16 3577 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  UCD133099  Heterotheca villosa J. C. Roos 1965-9-16 s.n. Riverside on State St. near Florida St, Hemet. Comment
  RSA0063011  Heuchera E. C. Jaeger 1939-5-28 s.n. Riverside Pinon Alta Flats. 1828 Comment
  RSA0087287  Heuchera elegans Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8637 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek, i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  JEPS44370  Heuchera hirsutissima Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4252 Riverside ne side Toro Peak; Santa Rosa Mts 2499 Comment
  UCR23265  Heuchera hirsutissima J. C. Lyman 1981-5-28 s.n. Riverside San Jacinto Mtns., gully behind Tahquitz Peak Comment
  RSA0021681  Hibiscus denudatus Jim Andre 2013-3-27 24814 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UC1971213  Hieracium albiflorum Scott D. White, J. Greene 1998-8-1 6971 Riverside IDYLLWILD AREA: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. San Jacinto Peak USGS 7.5' quad. Comment
  UCD89916  Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside Rts. 60 and and 0 (sic), 5 miles east of Shavers Summit. Comment
  SD136873  Hirschfeldia incana Steve Boyd, Tim Ross 1992-5-5 7214 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET244302 Image available Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin; San Jacinto River Valley, S side of intersection of Sanderson Ave, and Ramona Blvd., ca. 4 mi. NW of San Jacinto. 445 Comment
  UC597672  Hordeum depressum Philip A. Munz 1937-3-27 14936 Riverside Lake Elsinor Elsinore 304 Comment
  RSA0050593  Hordeum intercedens A. C. Sanders, John F. Green 2006-5-18 32378 Riverside French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  CAS-BOT-BC280868  Hordeum marinum Scott D. White 1996-4-14 3892 Riverside Perris Basin, W Riverside Co. Perris Area: Near Perris Airport; ca. 100 m N of Case Rd. and 100 m W of San Jacinto River Channel 430 Comment
  CAS-BOT-BC148564  Horkelia clevelandii H. M. Hall 1901-7-1 2291 Riverside Strawberry Valley, San Jacinto Mts. 1615 Comment
  CAS-BOT-BC148569  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  JEPS44527  Horkelia clevelandii W. L. Jepson 1903-8-8 2296 Riverside San Jacinto Mt.,Tauquitz 2286 Comment
Read comments
Sep 5 2011
  RSA642084  Horkelia clevelandii Orlando Mistretta, Mark A. Elvin 1995-6-19 1772 Riverside San Jacinto Mountains. 1463 Comment
  UC1051653  Horkelia clevelandii Peter Kamb 1950-7-9 1906 Riverside San Jacinto Mountains, Hall Canyon 1645 Comment
  UCR35161  Horkelia clevelandii L. B. Ziegler 1967-8-2 198 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  POM360726  Hulsea vestita subsp. callicarpha N. C. Cooper 1949-6-29 4310 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR137742  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains, Fulmor Lake Comment
  UCR23778  Hymenoclea salsola John C. Roos 1947-3-1 3300 Riverside Salton Sea, 2 mi. NW of Travertine Rocks, NW side of Salton Sea. 1006 Comment
  CAS-BOT-BC312628  Hymenopappus filifolius var. lugens H. M. Hall 1899-5-25 11781 Riverside Western borders of the Colorado Desert. Coyote Canyon 1524 Comment
  SEINET2055704 Image available Hymenoxys cooperi P. Leary 1975-6-6 1267 Riverside 1/4 mile E of the shaft in Johnny Long Canyon, Joshua Tree National Monument 1310 Comment
  RSA92197  Hymenoxys odorata F. W. Peirson 1935-4-17 11468 Riverside Abundant on roadsides for several miles, river bottom lands, 20-22 miles S of Blythe. Comment
  CAS-BOT-BC219758  Hyptis emoryi Milo S. Baker 1927-4-3 3311 b Riverside Palm Canon [Canyon] Comment
  RSA420149  Hyptis emoryi Jack Rempel 1932-11-13 s.n. Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  SFV21859  Hyptis emoryi J. R. Pucci 2001-4-7 9 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  UC1714343  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); Painted Canyon Comment
  UCSB44874  Hyptis emoryi Collins, Elizabeth 1977-3-29 Riverside East of N. Palm Springs, 2.5 miles up Thousand Palms Cyn. Rd. from Dillion Rd 91 Comment
  SEINET10498864  Hyptis emoryi David B. Dunn 1948-6-17 Dunn 3815 Riverside Ravine below quad 4 dry coudit. At camp in pushawalla canyon under palms Comment
  CDA29880  Isocoma menziesii Mike Lahti 2009-10-22 PDR# 1501843 Riverside On banks of Temecula Creek near downtown Temecula. 0 Comment
  SBBG133573  Isocoma menziesii S. C. White, A. Carey, L. Archa 2004-8-5 10667 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation Comment
  CDA32720  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-13 PDR# 1501839 Riverside Hemet. Found off Deportola Road on Colt Road. 0 Comment
  UCR222301  Isoetes howellii R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55204 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UC1126553  Isomeris arborea H. S. Yates 1936-4-7 5417 Riverside near Palm Springs; San Jacinto Quad. 152 Comment
  SDSU13046  Jepsonia parryi James C. Dice, Tu Chung 1987-10-19 737 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita, ca/ 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 329 Comment
  SEINET8518930  Johnstonella angustifolia K. L. Chambers, H. L. Chambers 2004-4-6 6387 Riverside Plain just S of S border of Joshua Tree National Park, Cottonwood Springs Road, 0.25 mile N of Hwy [Interstate] 10, 22 miles E of Indio. Comment
  UCR281225  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 57 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  RSA776931  Juncus acutus subsp. leopoldii Amber Swanson, Duncan S. Bell 2011-3-11 214 Riverside On Willis Trail, Willis Palm Oasis near spring off Thousand Palms Rd in the Coachella Valley Preserve. 104 Comment
  UCR180048  Juncus balticus Mitch Provance 2005-5-18 9806 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA247275  Juncus bufonius G. D. Wallace, D. H. Wilken 1966-7-3 650 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  RSA387354  Juncus bufonius Steve Boyd 1986-4-19 1718 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Road. Comment
  RSA69673  Juncus bufonius F. W. Peirson 1922-4-29 5353 Riverside South of Lake Elsinore. 381 Comment
  UC1601699  Juncus bufonius H. M. Hall Jun 1901 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UC2030094  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UCR281104  Juncus bufonius Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 28 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
  RSA708221  Juncus bufonius var. bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside Indian Creek and adjacent foothills. 549 Comment
  RSA788876  Juncus bufonius var. bufonius G. D. Wallace 2003-7-8 4048 Riverside Hidden Lake. Comment
  RSA712543  Juncus bufonius var. occidentalis T. B. Salvato, A. C. Sanders 2005-5-17 900 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  RSA254371  Juncus luciensis E. W. Lathrop 1975-5-4 5451 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burro, 3.0 miles W of Murrieta. Comment
  RSA192132  Juncus macrophyllus H. A. Zuill 1966-7-17 293 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
Read comments
May 26 2008
  RSA697811  Juncus macrophyllus J. Russell Bruff 1934-6-19 541 Riverside Spring ground in Pinon belt. Comment
  UC2571  Juncus macrophyllus H. M. Hall July 1901 2536 Riverside along west fork of Snow Creek San Jacinto Mountains (n side of mts.) 1524 Comment
  UCR281580  Juncus macrophyllus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 116 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  POM14184  Juncus mexicanus Phillip A. Munz 1922-5-18 5324 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  SD60445  Juncus oxymeris Reid Moran 1964-7-27 11859 Riverside Edge of stream, canyon of Santa Margarita River, 2I(c) miles south-southwest of Temecula, [3I(c) miles north-northwest of Rainbow]. 199 Comment
  RSA0086968  Juncus rugulosus H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 541 Comment
  UCR20446  Juncus textilis H. A. Zuill 1966-6-5 192 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  POM310598  Juniperus californica G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  LA99446  Justicia californica Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  POM308629  Justicia californica Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3220 Riverside Near Desert Center. Comment
  POM68899  Justicia californica Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
Read comments
Jun 17 2012
  RSA402298  Justicia californica E. Crow 1929-2-24 173 Riverside Andreas Canyon, S of Palm Springs, Colorado Desert. Comment
  RSA73961  Justicia californica Alice Yates, Jas. E. Wilcox 1952-4-5 29 Riverside Between Box Canyon and Smoke Tree National Monument. 152 Comment
Read comments
May 20 2012
  SEINET2043590 Image available Justicia californica Pomona College 1949-3-28 112 Riverside Palms to Pines Highway State 74, 14 mi SE Palm Springs. 1524 Comment
  RSA813291  Kallstroemia californica Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 37 Riverside Sonoran Basin and Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). Comment
  CLARK-A1528-1225  Keckiella antirrhinoides Sherri Stange 1980-5-31 Riverside Hemet 518 Comment
  RSA401733  Keckiella antirrhinoides Anstruther Davidson 1895-5-18 s.n. Riverside Banning. Comment
  RSA556508  Keckiella antirrhinoides Julie Greene 1993-4-10 1171 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  UCR167829  Keckiella antirrhinoides T. B. Salvato, Melissa Clemons 2005-6-2 1333 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
  RSA0018940  Keckiella antirrhinoides subsp. antirrhinoides N. R. Zabriskie 1970-3-28 250 Riverside Twin Pines Ranch Rd. east of Banning-Idyllwild Hwy, north slope San Jacinto Mtns. 1172 Comment
  CAS-BOT-BC236728  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  NY43344  Keckiella cordifolia C. R. Annable 1995-3-12 2273 Riverside Box Canyon Wash, Hwy 195 Comment
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  UC54995  Keckiella cordifolia H. M. Hall 1897-5-27 573 Riverside Cold Water Canyon; Santa Ana Mts. Comment
  RSA0104243  Kopsiopsis strobilacea A. Hood 1945-6-1 p 954 Riverside San Jacinto Mountain. 2895 Comment
  SEINET11446730 Image available Laennecia coulteri H. M. Hall 5941 Riverside Palo Verde Valley 76 Comment
  RSA77071  Langloisia setosissima subsp. setosissima F. W. Peirson 1921-4-11 4475 Riverside Deep Canyon Wash, south side of Coachella Valley 244 Comment
  CAS-BOT-BC166024  Larrea tridentata Marian L. Campbell 1921-3-19 61 Riverside Palm Springs Comment
  RSA390019  Larrea tridentata M. B. Dunkle 1935-3-17 4409 Riverside Desert Center 61 Comment
  RSA727007  Larrea tridentata Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1444 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA760789  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 110 Riverside Coachella Valley Preserve. 4 mi from Ramon Rd on Thousand Palms Canyon Rd. To W of Thousand Palms Canyon Rd. 381 Comment
  RSA487197  Lastarriaea coriacea James L. Reveal 1988-5-23 6865 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UC1563120  Lastarriaea coriacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3237 Riverside n of Wilson Creek (at ne end of Vail Lake); Vail Lake 487 Comment
  CAS-BOT-BC354214  Lasthenia coronaria A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37811 Riverside Peninsular Range: southeastern Gavilan Hills N of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  CAS-BOT-BC354219  Lasthenia coronaria L. R. Abrams 1935-4-7 13668 Riverside Gavilan Hills 2 mi S.W., Perrin Comment
  JEPS29304  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-25 8399 Riverside about 10 air miles nw Elsinore (near Arcilla siding of A.T. & S.F. Railway, just below and e of state Highway 71); Temescal Wash 289 Comment
  RSA0069665  Lasthenia coronaria Cheryl Sevilla, Sarah J. De Groot 2015-2-18 13 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  UC111314  Lasthenia coronaria S. B. Parish 1907-4-16 Riverside w base of the Colorado Desert 700 Comment
  UCR241007  Lasthenia coronaria Tracy Tennant 1998-4-7 237 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UCSB6390  Lasthenia coronaria Ralph, F. 1960-4-1 Riverside White Water Canyon, 1.6 miles N of U.S. Hwy. 99; western edge of Colorado Desert Comment
  JEPS98731  Lasthenia glabrata subsp. coulteri Raymund Chan 1997-3-28 97005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  RSA550486  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2235 Riverside San Jacinto Wildlife approximatly 1km east of Davis Road.the polulation extends from an area 20m. of the old San Jacinto River channel to a large alkaline flat, just west of the 1st wildlife ond and extending to the Horse ranch. 133 Comment
  POM356985  Lasthenia gracilis R. F. Thorne 1973-5-23 43868 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR165418  Lasthenia gracilis A. C. Sanders 2005-4-21 29561 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR178150  Lasthenia gracilis T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 916 Riverside San Bernardino Mtns., Morongo Indian Reservation, Burro Flats 1189 Comment
  UCR199640  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR224454  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38806 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR266324  Lasthenia gracilis D. E. Bramlet 1991-4-29 2084 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR96815  Lasthenia gracilis Scott D. White 1993-3-12 1174 Riverside Near Winchester 466 Comment
  CAS-BOT-BC367545  Lasthenia microglossa F. W. Peirson 1919-4-14 1376 Riverside Murray Canyon near Palm Springs 487 Comment
  UCR110985  Lathyrus vestitus var. vestitus George K. Helmkamp 1998-6-27 4119 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR234280  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  JOTR32118  Layia glandulosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2276 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UCR84885  Layia glandulosa A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-22 16233 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA90128  Lemna minor E. K. Balls, Percy C. Everett 1953-8-19 18537 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  RSA429965  Lepidium Ora M. Clark 1929-3-17 s.n. Riverside N of La Quinta. Comment
  SEINET6056432  Lepidium dictyotum Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA556491  Lepidium dictyotum var. acutidens Julie Greene 1993-3-13 1063 Riverside On the berm between the western ponds 440 Comment
  SD134502  Lepidium dictyotum var. acutidens Craig Reiser 1991-4-30 Riverside South of Lake Perris and in alkaline flats north of San Jacinto River Comment
  UCR182527  Lepidium dictyotum var. acutidens Mitch Provance 2005-5-17 6572 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
  UCR85529  Lepidium dictyotum var. dictyotum Scott D. White 1993-3-12 1156 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  RSA779585  Lepidium fremontii Duncan S. Bell 2009-3-7 17 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SD145979  Lepidium fremontii B. Pitzer, Tracy Tennant 1998-2-21 3541 Riverside Colorado Desert: north-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 412 Comment
  UC68536  Lepidium fremontii H. M. Hall Apr 1905 5844 Riverside Canyon Springs Colorado Desert Comment
  UCR272901  Lepidium lasiocarpum Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3068 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  RSA0014782  Lepidium lasiocarpum Norman C. Cooper 1945-3-24 1619 Riverside Cabazon. 457 Comment
  CAS-BOT-BC89665  Lepidium lasiocarpum subsp. lasiocarpum Carl B. Wolf 1932-4-27 3029 Riverside Colorado Desert. Mecca - Blythe Road. 0.75 mile west of Utopia. 152 Comment
  UC144134  Lepidium lasiocarpum var. lasiocarpum Charlotte M. Wilder 1908-3-25 1121 Riverside Fairmount Park Riverside Comment
  UCR217801  Lepidium lasiocarpum var. lasiocarpum Jim Andre, T. La Doux 2010-2-28 12552 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR116428  Lepidium strictum A. C. Sanders 2001-5-1 24068 Riverside San Bernardino Valley region, Riverside, UCR campus 335 Comment
  RSA282777  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 2015 Riverside Along Thomas Mtn Rd at 5450 feet, south of Lake Hemet, west of Hwy 74. 1662 Comment
  UCR24921  Lepidium virginicum var. pubescens A. C. Sanders 1980-7-18 1656 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA495440  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2967 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR256747  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle 2013-4-15 7536 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 1.10 mi northeast of the junction of Lake Street and Hwy I-15 567 Comment
  UCR280975  Lepidium virginicum var. robinsonii Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 75 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  POM361782  Lepidospartum squamatum N. C. Cooper 1943-10-3 939 Riverside Whitewater Canyon. Comment
  RSA0050088  Lepidospartum squamatum Sarah J. De Groot, Cheryl S. Sevilla 2014-8-4 7222 Riverside Mission Creek drainage, maybe 1/2 mile above the west fork. Southwest of Morongo Valley, northwest of Desert Hot Springs. 786 Comment
  CDA29073  Leptochloa uninervia Mike Lahti 2008-12-12 PDR# 1509355 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. 0 Comment
  CLARK-A1528-4715  Leptochloa uninervia John C. Roos, Lucille Roos 1951-10-24 5332 Riverside Riverside 228 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
  POM157941  Leptosiphon lemmonii P. A. Munz 1927-5-21 10829 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  POM65214  Leptosiphon lemmonii H. M. Hall 1901-06 2026 Riverside South side of San Jacinto Mountains 1585 Comment
  RSA359853  Leptosiphon lemmonii Steve Boyd 1986-4-2 1633 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR23837  Lessingia filaginifolia John C. Roos 1965-8-19 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  CDA20749  Lessingia glandulifera var. glandulifera M. Lahti 2006-9-12 PDR 1357283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet CA. Comment
  RSA735985  Leymus condensatus Scott D. White, Justin M. Wood 2008-5-29 12041 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  CAS-BOT-BC451633  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado 609 Comment
  RSA286795  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Teneja Road and road to ranch headquarters 610 Comment
  POM47976  Lilium parryi Philip A. Munz, I. M. Johnston 1924-7-27 8751 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  RSA788872  Limosella acaulis Gary D. Wallace 2003-7-8 4053 Riverside Hidden Lake. Comment
  UCR48358  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-5-1 1802 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  JOTR16799  Linanthus aureus subsp. aureus Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. PLEASANT VALLEY 1005 Comment
  RSA747561  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 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
  SD134419  Linanthus dianthiflorus Craig Reiser 1990-4-15 Riverside Off De Portola Road near Calle Grande Road Comment
  POM13247  Linanthus dianthiflorus subsp. farinosus P. A. Munz, I. M. Johnston 1922-5-19 5361 Riverside 5 miles NE of Murietta. 457 Comment
  POM158446  Linanthus dianthiflorus subsp. farinosus P. A. Munz 1927-5-21 10858 Riverside San Carlos Pass, east of Ansa. 1372 Comment
  RSA776290  Linanthus jonesii Duncan S. Bell, Amanda Turek 2010-4-10 834 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR41530  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6108 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR51953  Linanthus jonesii Steve Boyd, T. S. Ross, D. Nordin, L. Arnseth, Richard Noyes, S. Meury 1988-3-10 2174 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  SD232289  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills/Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. 395 Comment
  UCR177320  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  RSA0047250  Linanthus maculatus J. Mark Porter, Leigh A. Johnson 1997-3-10 11467 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  SDSU3164  Linanthus nuttallii subsp. floribundus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
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Jul 8 2009
  SEINET14377214  Linanthus pungens H. M. Hall 1901-6 2130 Riverside San Jacinto Mountains 1524 Comment
  UCR116774  Linaria canadensis var. texana A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23895 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
  UCR166167  Linaria canadensis var. texana John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA289805  Lipocarpha micrantha B. A. Prigge 1980-8-12 3941 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
  UCR241490  Lithophragma Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 251 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  CSUSB536  Lobularia maritima H. C. Sharma 1976-4-26 760426 3 Riverside Washington Street, about 3 miles south of Washington Street on the side of Mocking Bird Canyon 335 Comment
  HSC66545  Loeseliastrum schottii Christopher Davidson 1979-4-4 7702 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA23274  Loeseliastrum schottii Ernest Braunton 1940-03 2034 Riverside Berdoo Canyon. Comment
  RSA67046  Loeseliastrum schottii Verne Grant, Alva Grant 1951-4-7 15989 Riverside Below Morongo Valley on road to White Water 732 Comment
  UCR60247  Loeseliastrum schottii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3650 Riverside Butterfield Valley, Vail Lake area, Temecula Creek, SE of the lake, just north of Hwy 79 488 Comment
  UC69833  Logfia depressa H. M. Hall 1905-4-1 5801 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR54309  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA343108  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60648 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  SEINET251684 Image available Lolium rigidum Walter Graves 2002-5-15 502 -13 Riverside Riverside : grown at U.C. R. in Agricultural Operations Fields (Riverside East 7.5' Q.) 305 Comment
  CLARK-A1528-7869  Lomatium mohavense subsp. mohavense John C. Roos 1947-3-15 3330 Riverside San Jacinto Mountains 1219 Comment
  UCR116917  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23954 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR231194  Lonicera subspicata A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39926 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  CAS-BOT-BC234890  Lonicera subspicata var. denudata E. K. Balls; P. C. Everett; S. Tillett 1955-7-19 20973 Riverside San Jacinto Mts., Hwy. 74, Hemet to Idyllwild, 2.8 mi. nw. from Mountain Center 1188 Comment
  JEPS24961  Lonicera subspicata var. denudata H. M. Hall July 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  SDSU13328  Lonicera subspicata var. denudata Ryan Jacobson, Jeremy Mass 2000-4-19 11 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  UC1608260  Lonicera subspicata var. denudata Steve Boyd, Tim Ross 1992-5-5 7230 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  RSA792746  Lotus argophyllus Robert F. Thorne 1995-3-29 63032 Riverside White Water Canyon. 600 Comment
  POM47633  Lotus argophyllus subsp. decorus F. W. Peirson 1919-4-13 s.n. Riverside Murray Canyon, Palm Springs region. Comment
  UCR116708  Lotus hamatus A. C. Sanders, Steven R. Hill 2001-5-4 24147 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  GMDRC2043  Lotus heermannii J. Andre 2006-4-26 6757 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UCR116796  Lotus heermannii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24150 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR250200  Lotus humistratus A. C. Sanders 2014-4-23 41045 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA90410  Lotus oblongifolius E. C. Jaeger 1921-6-11 5449 Riverside Idyllwild Comment
  UCR174084  Lotus purshianus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32546 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  SDSU4339  Lotus rigidus H. Wedberg 1962-4-20 918 Riverside About 1 mile southeast of Pinyon Flats on road to Palm Springs, San Jacinto Mountains. Pinyon-Juniper woodland. 1219 Comment
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  SEINET8721513 Image available Lotus scoparius Jean Coulson 1959-1 87 Riverside Box Spring Mts., .7 mi. N of Blane on Mt. Vernone W. of quarry, 10yrds. 1 Comment
  UCR250864  Lotus scoparius subsp. scoparius Dick Newell, Judy Booth 2014-1-12 349 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, Cleveland National Forest, 100 yards west of Decker Caanyon Rd. 874 Comment
  RSA770705  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4812 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET222319 Image available Lotus scoparius var. brevialatus B. Ertter, J. Strachan 1979-6-26 2983 Riverside Highway 243 near Idyllwild San Jacinto Mts. Comment
  UCR225216  Lotus scoparius var. brevialatus T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5161 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  RSA406322  Lotus strigosus Dorothy R. Wolf 1932-3-20 2 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA406331  Lotus strigosus Ora M. Clark 1929-2-23 1555 Riverside North of Whitewater Comment
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Nov 9 2011
  UC1228588  Lotus strigosus C. L. Hitchcock and C. V. Muhlick 1962-3-16 22140 Riverside ca 8 mi se Corona; Temescal Canyon Comment
  UCR180388  Lotus strigosus Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11272 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA3980  Lotus tomentellus C. B. Wolf 1932-4-29 3118 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UCR122571  Ludwigia peploides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5981 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  UC1713654  Lupinus H. M. Hall 1901-7 2498 Riverside Tamarack Valley; San Jacinto Mountains, Tamarack Valley Comment
  UCR1291B  Lupinus albifrons Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 150 yd east of Teneja Rd. and c. 8 mi from the junction with Washington Ave., Murrieta 732 Comment
  SEINET5327615  Lupinus albifrons E. A. Zumbro 1903-1 396 Riverside Blue Mt., W. Riverside. Comment
  RSA414451  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM177956  Lupinus arizonicus Joseph A. Ewan 1931-4-4 4151 Riverside mouth of Shaveris Canyon. Comment
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Jul 5 2010
  POM349948  Lupinus arizonicus F. R. Fosberg 1932-3-13 8072 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  POM349952  Lupinus arizonicus N. C. Cooper 1944-3-25 2016 Riverside Morongo Pass. 457 Comment
  POM349956  Lupinus arizonicus M. B. Dunkle 1933-3-4 3037 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA23217  Lupinus arizonicus Ernest Braunton 1940-4-3 2009 Riverside 25 miles Northeast of Indio. Comment
  RSA775622  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1002 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets. 396 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
  RSA715328  Lupinus bicolor John Green 2006-4-27 s.n. Riverside Peninsular ranges, Foothills of Santa Ana Mtns./Santa Rosa Plateau: Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte. 351 Comment
  SDSU17531  Lupinus bicolor Jerry Jenkins 2001-4-2 2001 -047 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UCR16223  Lupinus bicolor Leland R. Dykes 1962-5-1 60 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  UCR280830  Lupinus bicolor T. B. Salvato, Gregg Miller 2005-6-3 1405 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  RSA431075  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 5541- 2 -3 Riverside A colony growing 1 mile east of Beaumont on the southside of he highway at Xenica Ave. Comment
  RSA350063  Lupinus bicolor subsp. microphyllus N. C. Cooper 1947-4-5 2038 Riverside Alamos Canyon, Elsinore 762 Comment
  CLARK-A1656-820  Lupinus concinnus Theo Glenn 1982-4-23 Riverside Cottonwood Canyon Comment
  UCR16230  Lupinus concinnus A. C. Sanders 1973-4-28 00347 Riverside Peninsular Range; San Jacinto Mtns., east of Garner Valley, along switchbacks in trail from Morris Ranch Road to Cedar Springs 2012 Comment
  RSA87096  Lupinus concinnus subsp. optatus F. W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  SEINET10870983  Lupinus densiflorus var. austrocollium Robert F. Thorne 1968-5-8 Thorne 37598 Riverside Santa rosa plateau: grassy bank along small stream near roadside, rancho California; with cirsium drummondii, astragalus pomoninsis, etc. 610 Comment
  RSA413545  Lupinus densiflorus var. lacteus N. Cooper 1944-5-5 1201 Riverside Calimesa. 305 Comment
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Nov 22 2011
  UC130311  Lupinus excubitus H. M. Hall 1899-5-24 1375 Riverside s slopes El Toro Mt.; San Jacinto Mountains, s slopes El Toro Mt. 1828 Comment
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Jul 23 2008
  UCR117316  Lupinus excubitus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 725 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA516431  Lupinus excubitus var. hallii Walter Wisura, Bart O'Brien, Tom Hayduk 1990-5-2 4439 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  JOTR01084  Lupinus excubitus var. hallii Cole, James E. 1941-5-19 720 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  UC1542859  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-15 7139 Riverside 5.9 miles southeast of Junction of Idlewild Road and Highway 74 on 74. 1341 Comment
  RSA413703  Lupinus hirsutissimus E. Crow 1929-4-7 299 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA644186  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  RSA751630  Lupinus hirsutissimus G. Gust, L. Nye 2005-3-11 542 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCR100087  Lupinus hirsutissimus R. G. Swinney 1967-3-5 56 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR245898  Lupinus hirsutissimus R. F. Thorne 1995-3-29 63009 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR35024  Lupinus hirsutissimus L. B. Ziegler 1967-4-18 113 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  UCR84944  Lupinus hirsutissimus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16231 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA699719  Lupinus hyacinthinus Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  RSA262118  Lupinus latifolius subsp. parishii E. W. Lathrop 1968-5-22 6932 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  RSA5513  Lupinus latifolius subsp. parishii Carl B. Wolf 1932-8-5 3951 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  LA205135  Lupinus latifolius var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  RSA764578  Lupinus microcarpus var. horizontalis M. Wall 2010-5-10 561 Riverside East Hemet off Florida Ave. (Hwy 74) east of Lake Street, ca. 0.5 miles west of jct. with Mountain Ave [Ramona Expy]. 518 Comment
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May 22 2012
  SD8477  Lupinus shockleyi Parish Apr 1882 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  JEPS48832  Lupinus sparsiflorus Marjorie D. Clary 1932-5-25 948 Riverside on road to Pinyon Well n Indio (Berdoo Canyon, s slope of Conchilla Range); s slope of Conchilla Range, Berdoo Canyon Comment
  SEINET7073442 Image available Lupinus sparsiflorus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UC1929821  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10469 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR137689  Lupinus sparsiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1486 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR175178  Lupinus sparsiflorus Jim Andre 2006-4-26 6763 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  UCR279330  Lupinus sparsiflorus A. C. Sanders, Jim Malusa 2017-3-23 42910 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  RSA414818  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest, Jack Rempel 1934-4-14 19800 Riverside San Gorgonio Pass. 640 Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 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
  POM305375  Lupinus succulentus Henry J. Ramsey, Henry J. Ramsey 1938-3-28 643 Riverside Elsinore Comment
  UCR241404  Lupinus succulentus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7448 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  CLARK-A1528-2851  Lupinus truncatus John C. Roos 1947-3-15 3326 Riverside Valle Vista Comment
  RSA33504  Lupinus truncatus N. C. Cooper 1944-4-8 1083 Riverside Andreas Canyon. 305 Comment
  RSA414404  Lupinus truncatus H. de Forest 1929-3-16 s.n. Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  UC56819  Lycium F. Gilman 1902-1 24 Riverside Palm Springs Comment
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Apr 3 2011
  GMDRC3546  Lycium andersonii J. Andre, T. La Doux 2009-2-25 10803 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  JOTR29587  Lycium andersonii Andre, Jim 2006-4-26 6780 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  POM292863  Lycium andersonii Lyman D. Benson 1949-3-28 13565 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  UC884602  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  POM13382  Lythrum californicum E. C. Jaeger 1921-04 s.n. Riverside Corn Springs, Chuckawalla Mts Comment
  UC219591  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp San Jacinto Mts., Keen Camp 1524 Comment
  UC489017  Madia gracilis C. V. Meyer 1929-6-16 762 Riverside Saunder's Meadow San Jacinto Mts. 1706 Comment
  SEINET7048218  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, west side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. Fallbrook 7.5' quad. About 1370 feet northeast of San Diego county line. Elevation about 610 feet. Comment
  UC218090  Malacothrix coulteri P. A. Munz, D. Keck 1922-4-9 4813 Riverside Chuckwalla Valley, Hayfields Colorado Desert, Chuckwalla Valley, Hayfields 152 Comment
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May 1 2006
  CDA8302  Malacothrix glabrata T. C. Fuller 1962-4-3 7987 Riverside Highway 99, 0.4 mile north of turn-off to Twenty Nine Palms. 0 Comment
  JEPS36767  Malacothrix glabrata W. L. Jepson May 17 1901-Jun 1 1901 1254 Riverside 4 mi n Hemet; San Jacinto River Comment
  UC194251  Malacothrix glabrata S. B. and W. F. Parish April, 1882 301 Riverside Agua Caliente, borders of Colorado Desert Colorado Desert Comment
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Nov 24 2011
  UCR262098  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41520 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  SD244530  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, I(c) mile east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  RSA699183  Malva parviflora Mary Edmunds 1932-3-24 s.n. Riverside McIntyre Ranch Oasis: Coachella Valley. Comment
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Jun 15 2012
  UC665888  Malva parviflora Ira L. Wiggins 1941-3-24 9566 Riverside 0.3 mi s of Myoma (4.6 mi n of Indio, along roadside) Comment
  UCR207305  Malvella leprosa John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  POM286349  Mammillaria dioica Lyman Benson 1949-3-28 13558 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  POM13096  Mammillaria tetrancistra P. A. Munz, D. D. Keck 1922-4-9 5016 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 518 Comment
  RSA229828  Marah macrocarpa Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 588 Riverside Cleveland Nat. Forest. 6.5 mi. S of Lake Elsinore along Forest Route 7SO4 Comment
  SEINET272334  Marah macrocarpa A. C. Sanders, G Waines; Et Al 1997-3-12 19909 Riverside Lake Skinner Area; upper Rawson Canyon 2.5mi NNE of Skinner Lake 1 mi SW of Crown Valley 595 Comment
  UCR232049  Marah macrocarpa John F. Green 2008-4-15 0408- 12 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SD44843  Marina parryi Darley F. Howe 1952-4-28 Riverside 4.0 miles east of Desert Center Comment
  RSA619538  Marrubium vulgare D. L. Banks 1997-5-5 1987 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
  SEINET2065649 Image available Marrubium vulgare Ed LaRue 1989-4-7 Riverside Woodcrest area, 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyn Road. 365 Comment
  RSA740933  Marsilea vestita Scott D. White, Justin M. Wood 2008-7-9 12435 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  SDSU21797  Marsilea vestita subsp. vestita Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3983 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC1605508  Marsilea vestita subsp. vestita Terry O'Brien May 1995 2126 Riverside ca. 5 mi sw of Grand Ave. in Murrieta (on Clinton Keith Rd., Pool C2 in Lathrop & Thorne); Mesa de Colorado, Santa Rosa Plateau Preserve 600 Comment
  CAS-BOT-BC474718  Matricaria occidentalis R. E. Riefner, Jr. 2015-6-3 15 -169 Riverside City of Hemet, ca 100 yds N of W. Devonshire Ave. and Meyers St. 473 Comment
  RSA793925  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA206501  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  RSA554281  Medicago polymorpha Scott D. White 1992-2-25 92 -6 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  CSUSB1022  Medicago sativa Mark Eutenier 1973-5-30 730530 1 Riverside Intersection of Federick Street (Pidgeon Pass Road) and Sunnymead Blvd. Widespread on northwest corner. 731 Comment
  UC818920  Melica Marcus E. Jones, A. M. 1882-4-25 3554 Riverside San Jacinto Comment
  CLARK-A1528-4722  Melica californica John C. Roos 1950-4-22 4754 Riverside Box Springs Mountains 792 Comment
  SDSU17522  Melica frutescens Jerry Jenkins 2001 -035 Riverside Santa Margarita Ecological Reserve. West shore of S.M. river, on granite bluffs. UTM zone 6, 481900E, 3699850N. UTM transfered to GIS. 165 Comment
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Aug 11 2017
  UCR2535  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Murray Canyon 457 Comment
  SEINET7073447  Melica imperfecta 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
  UC38846  Melica imperfecta H. M. Hall May 1899 1111 Riverside Strawberry Creek; San Jacinto Mountains, San Jacinto Mountain 914 Comment
  UCR20737  Melica imperfecta A. C. Sanders, Steve Boyd 1980-5-2 1389 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR88174  Melica imperfecta Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  RSA500148  Melilotus albus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3651 E Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  SD137761  Melilotus indicus Darin L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Wilderness Area; north sloope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET2063367 Image available Melilotus indicus Diane L. Ill 1985-5-12 38 Riverside Gavilan Hills, Hartford Springs, 1.6 mi S of Cajalco Rd. on Gavilan Rd. Right side of Road along Spring 609 Comment
  JOTR32169  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2321 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
  JOTR34006  Mentzelia involucrata La Doux, Tasha, M. Harding 2010-4-7 2894 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  SDSU8092  Mentzelia involucrata Darren S. Smith 1992-4-5 Riverside 480 Comment
  UC1922408  Mentzelia involucrata Naomi Fraga, Lisa Rojas 2005-2-10 1358 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCSB4253  Mentzelia involucrata Haller, John 1958-3-22 Riverside Immediately S. of Hyws. 60-70, 5.8 miles E. of Desert Center Comment
  CHSC8267  Mentzelia involucrata var. megalantha Edward L. Smith 1957-4-3 235 Riverside Located 1 mi. n hwy. 99 to La Palms, Calif., in a wash. San Bernardino Mts. 91 Comment
  CSUSB971  Mentzelia involucrata var. megalantha Bruce Freeman 1968-5-4 680504 5 Riverside Whitewater Canyon, 1 mile south of point where road crosses river. 487 Comment
  RSA124412  Mentzelia involucrata var. megalantha Percy C. Everett, E. K. Balls 1958-4-29 20316 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City. 549 Comment
  RSA440420  Mentzelia involucrata var. megalantha W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  SEINET11978685  Mentzelia involucrata var. megalantha S. B. Parish, Parish, W. F. n d 210 Riverside Whitewater, Nich Comment
  RSA446846  Mentzelia longiloba var. longiloba A. Menke 1955-4-27 s.n. Riverside 33 miles E of Desert Center. Comment
  SD181456  Mentzelia montana Scott D. White, Bill LaHaye 2000-5-27 7962 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  SBBG4879  Mentzelia nitens H. and M. Dearing 1949-4-16 6749 Riverside Cottonwood Spring Comment
  RSA543843  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA544397  Microseris douglasii subsp. douglasii Steve Boyd 1991-5-30 6324 Riverside Perris Valley, saline soil along San Jacinto River at crossing of I-215, 2 mi E of Perris Comment
  RSA792923  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR103488  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2306 Riverside Lake Mathews Reserve, approx 1.98 km east of the intersection of Cajalco Rd. and Sierra Ave., 152 m south of Cajalco Road and 50 m west of the access road to the Black Rocks area 442 Comment
  POM363441  Microseris lindleyi Christopher Davidson 1973-4-1 1792 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  POM307270  Mimulus androsaceus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2116 Riverside Santa Rosa Mountains. Comment
  LA209145  Mimulus aurantiacus Carl Epling; William Robison 1935-6-29 sn Riverside San Jacinto Mountains, near Keen Camp Comment
  RSA586766  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-5-17 464 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. 659 Comment
  RSA587176  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  RSA519233  Mimulus aurantiacus var. pubescens Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UC1329893  Mimulus aurantiacus var. pubescens James E. Cole 1941-5-2 672 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  UCR81103  Mimulus aurantiacus var. pubescens Scott D. White 1993-5-29 1438 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA442720  Mimulus aurantiacus var. puniceus W. P. Burger 1979-4-29 65 Riverside Off Carancho Rd. , just past where creek crosses rd., in Hidden Valley. Near Lake Elsinor. 366 Comment
  SDSU12234  Mimulus aurantiacus var. puniceus Tahirih Linz, M. G. Simpson 2000-4-1 6 Riverside 0 Comment
  JEPS16175  Mimulus bigelovii var. bigelovii Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4041 Riverside 3 mi n Shavers Summit (close to head of Lost Palms Canyon); Joshua Tree National Monument 762 Comment
  RSA420969  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3254 Riverside Mecca Pass east of Indio. 549 Comment
  RSA4952  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3046 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  UCSB10383  Mimulus bigelovii var. bigelovii Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  SDSU13930  Mimulus brevipes Michael G. Simpson 2000-5-13 2119 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  SDSU4835  Mimulus brevipes Greg Snyder 1962-5-12 Riverside On the south side of Hwy 115 at the entrance to San Bernadino National Forest. Comment
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Mar 30 2014
  UCR139090  Mimulus brevipes Scott D. White 1997-5-18 5185 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR26543  Mimulus brevipes A. C. Sanders, S. Hagopian 1981-5-20 2143 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR59531  Mimulus brevipes Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3611 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  RSA589078  Mimulus cardinalis D. L. Banks, S. D. Boyd 1995-10-17 789 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 broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR161406  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-9-20 31682 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  RSA586762  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-5-17 460 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. 659 Comment
  CAS-BOT-BC9460  Mimulus diffusus Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  POM157912  Mimulus diffusus P. A. Munz 1927-5-20 10806 Riverside 10 miles S. of Hemet. Comment
  UCR158319  Mimulus floribundus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30062 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
  UC1532827  Mimulus pilosus Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47301 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California (along stream way) 609 Comment
  UCR133324  Mimulus pilosus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR207639  Mimulus pilosus O. F. Clarke 2005-6-19 s.n. Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, off Idaleona Rd. 686 Comment
  UCR18180  Mimulus rubellus A. C. Sanders 1978-4-30 944 Riverside Santa Rosa Mtns, Pinyon Flats area; along the Cactus Springs trail between the dolomite mine and Horsethief Creek 1220 Comment
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May 25 2008
  RSA747833  Mirabilis bigelovii Scott D. White, Justin M. Wood 2009-4-29 12624 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  POM293184  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12022 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  CAS-BOT-BC434828  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley Comment
  SEINET3142118  Mirabilis laevis var. retrorsa H. M. Hall 5798 Riverside Colorado Desert; 10 mi west of Coachella 91 Comment
  SEINET3142126  Mirabilis laevis var. retrorsa J. Keck 1935-4-15 3841 Riverside Lower Morongo Canyon Comment
  RSA700904  Mirabilis multiflora var. pubescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Pinon Flat Comment
  UC126865  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside near Indio Mountain (in the Colorado Desert); Colorado Desert 150 Comment
  UCR148310  Mohavea confertiflora John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  RSA356611  Mollugo cerviana Robert F. Thorne 1966-10-15 41808 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA697846  Monardella australis J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2134 Comment
  SD137725  Monardella breweri subsp. lanceolata Darin L. Banks 1995-6-15 704 Riverside Agua Tibia Mountains; Devils Hole area, northnortheast of the Crosley Homestead. 730 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
  RSA180383  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-6-9 4944 Riverside 14 miles west of Murrieta. Comment
  RSA401571A  Monardella lanceolata var. lanceolata Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  LA205778  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 96 Riverside Banning-Idyllwild road. 2 mi. beyond Stone Creek Comment
  RSA651659  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 126 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  RSA750311  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UCR13959  Monardella nana subsp. arida C. M. Flanagan 1973-5-12 00405 Riverside San Jacinto Mtns, NE slopes of San Jacinto Mtns, near upper stretches of Deep Canyon 1098 Comment
  UCR221497  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 05 Riverside Peninsular Range; Santa Rosa Mtns., 0.25 mi. off Pines to Palms Highway, on road to Santa Rosa Mtn. 1433 Comment
  RSA750284  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 91 Riverside San Jacinto Mts. Short distance from top of Suicide Rock. Comment
  UC1499852  Monardella nana subsp. tenuiflora C. Epling, H. Lewis 1942-6-17 Riverside Vandeventer Flats Santa Rosa Mountains, Pines to Palms Highway Comment
  UCR221466  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of the sawmill at Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  SEINET10862272  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 48 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  JOTR30993  Monardella robisonii La Doux, Tasha, Maria Harding 2010-7-8 1972 Riverside Joshua Tree National Park. White Tanks, ~500m north of Arch Rock Nature trail; plants in this population seem to have some M. linoides characteristics. Comment
  RSA562426  Monolopia lanceolata D. Bramlet 1993-4-13 2325 Riverside Adjacent of the existing dirt access rd., 610 m N of Cajalco Rd, in the ''Cajelco Bend'' area. This site some 1.1 km W of Lake Mathews Drive. 433 Comment
  UCR265391  Monolopia lanceolata Cindy Daverin 2015-3-11 s.n. Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Rd., 1.3 km WNW (288 deg. ) of Monument Peak 443 Comment
  CAS-BOT-BC349796  Monoptilon bellioides Javier Penalosa 1963-4-10 2779 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  RSA0024817  Monoptilon bellioides Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4464 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA676035  Monoptilon bellioides Scott D. White 2001-4-12 8294 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  JOTR00918  Monoptilon bellioides Sipe, Frank 1958-3-5 217 Riverside Joshua Tree National Park. PLEASANT VALLEY Comment
  JOTR33738  Muhlenbergia microsperma La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2737 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  CAS-BOT-BC275153  Muhlenbergia porteri R. F. Hoover 1966-10-15 10175 Riverside Bighorn Drive, San Jacinto Mountains Comment
  UC819132  Muhlenbergia rigens I. W. Clokey and E. G. Anderson 1935-8-21 6524 Riverside Fuller Creek San Jacinto Mountains 1650 Comment
  RSA97131  Muhlenbergia rigens H. K. Buechner 1955-5-29 C 74 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  RSA367333  Muilla maritima Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  RSA679009  Muilla maritima Michael Wall 2003-5-17 315 Riverside Lamb Canyon (Hwy. 79) south of Beaumont, side canyon east side of Hwy., 5.4 miles north of Ramona Expressway. 579 Comment
  UCR116964  Muilla maritima A. C. Sanders, T. B. Salvato 2001-5-3 24089 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR35305  Muilla maritima L. B. Ziegler 1969-5-27 366 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UCR202222  Myosurus minimus subsp. apus Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  SD90113  Myriopteris parryi Walter William Zabriskie 1973-2-22 135 Riverside Pipistrelle Canyon ca. 75 yards before it turns east, Deep Canyon drainage, north slope of Santa Rosa Mountains, Site 16 550 Comment
  CLARK-A1528-4944  Nama demissa John C. Roos 1937-4-18 1388 Riverside Whitewater Comment
  RSA421115  Nama demissa Robert M. Perkins 386 Riverside 26 miles East of Indio. Comment
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Mar 9 2014
  SEINET7106399  Nama demissa var. demissa Leigh A. Johnson, J. Mark Porter 1997-3-7 97 -003 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, just N of I-10. Between Whitewater River and Whitewater Canyon road, about 50 yards from road.; 0 500 Comment
  RSA80982  Nama demissa var. deserti G. R. Campbell 1952-4-15 18368 Riverside Road leading from Hwy 60 to 29 Palms, at jct to Desert Hot Springs. 762 Comment
  JEPS462  Nassella cernua E. Bartholomew Riverside Riverside Comment
  SBBG53741  Nassella lepida L. S. Rose 1980-5-11 Riverside Harford Springs County Park, E side of Gavilan Rd Comment
  RSA731541  Nassella tenuissima R. E. Riefner 2007-5-26 7 -216 Riverside City of Lake Elsinore, along I-15 north near Main St. 404 Comment
  POM10294  Nasturtium officinale H. M. Hall 1897-6-6 300 Riverside Riverside. Comment
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  RSA561867  Navarretia atractyloides Steve Boyd, T. S. Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San Mateo Creek. 405 Comment
  UCR189559  Navarretia fossalis Diane Menuz 2006-5-9 077 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  UCSB60198  Navarretia fossalis Bramlet, D. 1992-5-15 Riverside 183 m W. of Davis Road; 213 m N. of Marvin Road 433 Comment
  RSA336176  Navarretia prostrata R. F. Thorne, Walter Wisura 1978-5-21 51965 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  UCR18148B  Nemacaulis denudata var. gracilis A. C. Sanders 1978-2-12 970 Riverside Coachella Valley, Indian Wells; growing in the sand dunes at the intersection of Bay Club Drive and Highway 111 30 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
  RSA586115  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-4-5 0155 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. 503 Comment
  UCR102872  Nemacladus ramosissimus A. C. Sanders 1997-3-26 20117 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  UCR15479  Nemacladus ramosissimus Robin L. Kobaly, G. K. Helmkamp 1978-5-2 s.n. Riverside San Jacinto Mtns, Bautista Canyon, 5 mi south of Valle Vista 823 Comment
  SEINET10461149  Nemacladus rubescens Dearing 1937-4-10 DEARING 1834 Riverside 1000 Palms Canyon Comment
  RSA0006294  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern Base of Indio Mtn. Colorado Desert. 150 Comment
  POM433290  Nemacladus sigmoideus M. B. Dunkle 1933-5-6 3443 Riverside Painted Canyon. Comment
  UCR166174  Nemophila menziesii John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR225212  Nemophila menziesii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5166 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCR225595  Nemophila menziesii A. C. Sanders 2011-3-29 38859 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  RSA33602  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UC575068  Nicolletia occidentalis C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Well; Little San Bernardino Mts. Comment
  JEPS12281  Nicotiana attenuata Carl V. Meyer 1928-7-26 523 a Riverside right above Dutch Flat (Hannah's sawmill); San Jacinto Mts. Comment
  CLARK-A1528-884  Nicotiana bigelovii C. M. Flanagan 1973-5-22 OO 903 Riverside Rubidoux 228 Comment
  CSUSB769  Nicotiana bigelovii Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  UC68732  Nicotiana clevelandii H. M. Hall 1905-4-29 5967 Riverside McCoy Wash; Colorado Desert 91 Comment
  UCR112114  Nicotiana clevelandii A. C. Sanders, T. B. Salvato 2000-4-21 23346 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  HSC21284  Nicotiana obtusifolia L. S. Rose 1967-12-19 67182 Riverside La Quinta 15 Comment
  RSA708493  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UCR245989  Nicotiana obtusifolia Duncan S. Bell 2012-9-13 4186 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  OBI35027  Nicotiana obtusifolia Sears 1977-10-12 S 572 Riverside Corn Spring, Desert Palm Oasis 512 Comment
  RSA0018751  Nicotiana obtusifolia P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  RSA0018760  Nicotiana obtusifolia Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2331 Riverside Palm Canyon. 244 Comment
  JEPS12374  Nicotiana quadrivalvis W. L. Jepson May 17 1901-Jun 1 1901 1582 Riverside Temescal Wash; sw Riverside County Comment
  UC444985  Nicotiana quadrivalvis Lottie M. Wilder 1903-4-23 93 Riverside Wilder's Comment
  UCR214685  Nicotiana quadrivalvis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37671 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  RSA58866  Nolina parryi Philip A. Munz 1950-6-23 14921 Riverside 1.5 miles SE of Kenworthy, south end of San Jacinto Mountains. 1524 Comment
  UCR194540  Nolina parryi A. C. Sanders 2008-7-25 35914 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCSB18701  Nolina parryi Main, Nancy 1965-5-9 Riverside State Highway 74, 10 miles S of junction with State Highway 71, San Jacinto Mountains 1219 Comment
  RSA0013355  Notholaena C. P. Cowan 1978-4-23 1202 Riverside 6.3 miles (10 km) south on Highway 74 from its junction with Highway 111 at Indian Wells. 480 Comment
  JEPS19051  Notholaena californica subsp. californica W. G. Wright Riverside Agua Caliente; Colorado desert Comment
  POM887  Notholaena californica subsp. californica I. M. Johnston 1918-5-30 1993 Riverside Temescal Canyon. 304 Comment
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Nov 20 2011
  UC64206  Nuttallanthus texanus H. M. Hall 1897-3-20 416 Riverside vicinity of Winchester; Southern California Comment
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Mar 20 2011
  LA206121  Oenothera avita subsp. avita Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  CDA40552  Oenothera californica Mike Lahti 2014-4-22 s.n. Riverside San Jacinto, dry San Jacinto Riverbed. 0 Comment
  RSA264557  Oenothera deltoides subsp. deltoides C. W. Tilforth, J. Dourley, Walter Wisura 1977-5-19 1321 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  UCR112586  Olea europaea Mitch Provance, Seychelle Provance 1998-2-17 89 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR112481  Oligomeris linifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23329 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR166192  Oligomeris linifolia Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  UCR214704  Oligomeris linifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37521 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  RSA628617  Olneya tesota L. C. Wheeler 1954-5-22 7057 Riverside Box Canyon. [county unspecified] Comment
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Sep 17 2007
  CDA34502  Oncosiphon piluliferum Mike Lahti 2011-5-5 PDR# 1357877 Riverside Sun City: Alta Vista Nursery on Sherman Road, near McLaughlin Road. 0 Comment
  SEINET848397  Opuntia X occidentalis C. B. Wolf, P. C. Everett 1938-1 3355 Riverside 9 miles fsrom Temecula on raod to Aguanga; fork of Temecula Wash Comment
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Aug 11 2013
  UC718132  Opuntia X occidentalis C. B. Wolf and P. C. Everett 1938-9-29 9462 Riverside 9 mi from Temecula (on road to Aguanga); Fork of Temecula Wash 335 Comment
  RSA744312  Opuntia basilaris var. basilaris Michael Wall 2009-4-3 500 Riverside On ranch property along Bautista Rd.ca. 4.1 miles ESE of jct. with Fairview Ave. Most clumps 20 to 30 ft. from road to the south of property driveway but some growing right along the dirt driveway., Three clumps observed growing not far off the road another 1600 ft to the south. 688 Comment
  UCR41414  Opuntia engelmannii A. C. Sanders 1984-4-21 5016 Riverside San Jacinto Mountains, Garner Valley, 0.25 mi NW of Kenworthy Ranger Station. Comment
  RSA561009  Opuntia littoralis Steve Boyd, Timothy S. Ross 1992-5-4 7201 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SEINET3412078  Opuntia littoralis Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28523 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  POM288042F  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  POM20705  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1938-9-29 9458 Riverside Desert slope of San Jacinto Range, Upper edge of Pinyon flat on the Palms to Pines Highway. 1220 Comment
  RSA356646  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 79300 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA702270  Orcuttia californica Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2080 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  RSA0066506  Orobanche californica subsp. feudgei Frank W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. Slopes south of the Shell Gas station. 1402 Comment
  UCR103999  Orobanche cooperi George K. Helmkamp 1998-4-4 3144 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA0070484  Orobanche cooperi subsp. cooperi Christopher Davidson 1979-4-4 7707 Riverside Orocopia Mts. Box Canyon on Box Canyon Rd., 5.9 mi. E of Mecca. Narrow side canyon running south from Box Canyon. 304 Comment
  RSA0103622  Orobanche parishii subsp. parishii Duncan S. Bell, Sarah DeGroot 2015-9-21 8647 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, at Portrero Spring. 1074 Comment
  POM211568  Orthocarpus densiflorus var. gracilis Philip A. Munz 1941-5-18 16659 Riverside North end of Santa Rosa Ranch, Elsinore Mountains 915 Comment
  CLARK-A1528-4283  Orthocarpus purpurascens John C. Roos 1947-3-21 3368 Riverside Reche Canyon Comment
  HSC94299  Oxalis pes-caprae D. Atwood 1993-3-27 17706 Riverside Corona Del Mar State Park along Newport Coast Drive 0 Comment
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Mar 5 2018
  RSA783249  Oxytheca caryophylloides J. D. Olmsted 1962-5-3 3496 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  UCR256885  Oxytheca caryophylloides G. D. Wallace 2003-7-8 4049 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  RSA291611  Paeonia californica C. W. Tilforth, Walter Wisura 1979-4-11 1770 Riverside East end of Murrieta-DeLuz Rd, south of Murrieta. 335 Comment
  UCR102816  Paeonia californica A. C. Sanders 1997-3-19 20059 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  CAS-BOT-BC327923  Palafoxia arida N. Aitkenhead 1977-2-1 2209 Riverside Sand dunes 0.5 mi E of Dillon Rd-T/L Junction Comment
  SBBG15848  Palafoxia arida H. Yokoyama 1953-3-22 141 Riverside Morongo Cyn Comment
  SFV4388  Palafoxia arida F. M. Ball 1964-1-4 66 2 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  UCD134895  Palafoxia arida B. Pitzer 1997-10-19 3351 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at Powerline Rd. 499 Comment
  SEINET10799064  Palafoxia arida David B. Dunn, A. Folsom 1948-6-17 Dunn 3809 Riverside Near quad 2. At camp in Pushawalla Canyon under palms. Desert wash, Indio Hills, Colorado Desert. Comment
  CAS-BOT-BC253849  Panicum hirticaule J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe Comment
  RSA0112293  Panicum urvilleanum Mary F. Spencer 1919-6-17 1311 Riverside San Jacinto. 305 Comment
  SEINET3094912 Image available Papaver californicum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains; N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  LA210409  Parietaria hespera Carl Epling; 1927-3-27 sn Riverside San Jacinto Mountains, Tahquitz Canyon Wash, Palm Springs 138 Comment
  UCR113937  Paspalum distichum Mitch Provance 2000-6-24 2066 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA778525  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 631 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  SEINET10799090  Pectis papposa Frederick M. Reed 1934-9-26 Reed 8957 Riverside Pines to Palus Road - Santa Rosa Mts. below Pinon Flats. 366 Comment
  UC640230  Pectis papposa var. papposa Frank W. Peirson 1938-11-12 12636 Riverside directly opposite the road from Mecca (Imperial Valley Boulevard); Imperial Valley Boulevard 0 Comment
  UCR274780  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Mojave Desert, Alligator ACEC. Desert Center Exit off Hwy I-10., to Granite Mine 399 Comment
  UCR241927  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  UCR25941  Pectocarya linearis John C. Roos 1952-2-29 5371 Riverside Reche Canyon 457 Comment
  CLARK-A1528-2248  Pectocarya linearis subsp. ferocula John C. Roos 1937-3-24 1338 Riverside Pigeon Pass Comment
  RSA769651  Pectocarya linearis subsp. ferocula Duncan S. Bell, Naomi Fraga 2010-4-22 852 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 771 Comment
  CAS-BOT-BC224934  Pectocarya penicillata A. C. Sanders 2011-4-6 39003 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
  RSA523486  Pectocarya penicillata Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-30 3946 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  SEINET3084025 Image available Pectocarya penicillata Ricardo Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off de Portoloa Road. (Sage 7.5') Comment
  UCR241780  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  CAS-BOT-BC169709  Pectocarya peninsularis R. F. Hoover 1969-4-11 11213 Riverside Mouth of Morongo Valley Canyon Comment
  CLARK-A1045-85  Pectocarya platycarpa George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  UCR214424  Pectocarya platycarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37507 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  RSA777854  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 844 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCD120133  Pectocarya recurvata LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1430 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 479 Comment
  RSA77817  Pectocarya setosa F. W. Peirson 1921-3-21 4059 Riverside Gordon Trail from Andreas Canyon, east base of the San Jacinto Mtns. 1067 Comment
  UCR25157  Pelargonium X hortorum Peggy Merritt 1972-5-5 720505 Riverside Riverside, lot on NE corner of Park and 7th streets 271 Comment
  RSA770425  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4872 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
  RSA743826  Pellaea andromedifolia var. andromedifolia Sarah J. De Groot, J. Mark Porter 2005-3-9 4773 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  CAS-BOT-BC71401  Pellaea mucronata Annie M. Alexander; Louise Kellogg 1941-3-23 1993 Riverside Tahquitz Canyon, Palm Springs 170 Comment
  SD144116  Pennisetum setaceum A. C. Sanders, P. MacKay 1994-10-23 15848 Riverside San bernardino Mountains, Whitewater River Canyon, between the trout hatchery & Bonnie Bell, in moist sand near the stream on the canyon bottom 580 Comment
  RSA20207  Penstemon centranthifolius Carl B. Wolf 1938-6-11 9418 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA489134  Penstemon centranthifolius Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  CLARK-A1528-5314  Penstemon clevelandii Patricia A. Andrews 1947-3-15 3334 Riverside San Jacinto Mountains Comment
  UCD124053  Penstemon clevelandii Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca. 0.05 mile south of Santa Rosa Mt. Road from Hwy 74. 1402 Comment
  JOTR32360  Penstemon eatonii var. undosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2475 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UC454771  Penstemon grinnellii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 Comment
  CLARK-A1528-4315  Penstemon pseudospectabilis John C. Roos 1949-4-10 4227 Riverside Chuckwalla Mountains Comment
  UC55001  Penstemon rostriflorus H. M. Hall 1898-6-25 940 Riverside Van Deventer Flat Western borders Colorado Desert, Van Deventer Flat 1371 Comment
  OBI35637  Penstemon spectabilis Norman C. Cooper 1944-6-17 1422 Riverside San Jacinto Mtns above Banning 1067 Comment
  RSA171363  Pentachaeta aurea J. D. Olmsted 1962-5-3 3514 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  UCR122542  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6672 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCD137797  Pentagramma triangularis subsp. maxonii Geoffrey Levin 1976-3-27 683 Riverside San Jacinto Mts, Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mountains. Salton Sea Basin drainage area. 396 Comment
  LA204570  Peritoma arborea S. Atsatt; 1926-4-17 Riverside Palm Springs Comment
  LA204582  Peritoma arborea Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  JOTR37437  Perityle emoryi Hodges, Stephen R., T. Hender 2015-12-30 559 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road, near Park Boundary (Stop 2) Comment
  UC1428707  Perityle emoryi J. L. Strother 1973-3-23 1154 Riverside e Mecca; Painted Canyon Comment
  UCR200298  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11214 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR241548  Perityle emoryi A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40638 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR34955  Perityle emoryi L. B. Ziegler 1973-3-6 496 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  CHSC99225  Persicaria lapathifolia John C. Dittes; Rudolph A. Dittes 2006-10-30 1424 Riverside South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of Victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. Undesignated Section of El Encino Land Grant. 207 Comment
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Mar 10 2015
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA0042103  Petalonyx linearis Duncan S. Bell, LeRoy Gross 2014-3-13 6232 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  SEINET218494  Petalonyx thurberi A. J. Breitung 1953-6-12 15525 Riverside Palm Springs. Comment
  UCR144106  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area. N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCR166528  Petalonyx thurberi Scott D. White, Brian Leatherman 2005-5-4 11013 Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  SBBG45342  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
  SBBG4888  Petalonyx thurberi subsp. thurberi H. and M. Dearing 1940-1-1 4039 Riverside near Painted Cyn Comment
  UCR99789  Petunia parviflora Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1416 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  CAS-BOT-BC326734  Peucephyllum schottii Roxana S. Ferris 1918-6-14 984 Riverside Box Canyon near Shavers Well, Chocolate Mts., Mecca - Blythe Road Comment
  JOTR31871  Peucephyllum schottii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2125 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM46832  Peucephyllum schottii Mary F. Spencer 1920-3-23 1454 Riverside Palm Springs. 122 Comment
  UC604865  Peucephyllum schottii Roxana S. Ferris 1938-5-16 9562 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  UCSB10706  Peucephyllum schottii Muller, Katherine 1952-4-5 Riverside On rocky slope 2 miles North of Dos Palmas on road from Hot Mineral to Mecca-Blythe Highway Comment
  POM147637  Phacelia ambigua F. M. Reed 1927-3-20 5430 Riverside Salt Creek Wash. Comment
  RSA699149  Phacelia ambigua W. Marquart 1938-12-12 s.n. Riverside 15 mi. W. of Blythe. Comment
  JEPS1554  Phacelia brachyloba Marjorie D. Clary 1932-7-3 985 Riverside Vandeventer to Pinyon Flats; Santa Rosa Mts. 1371 Comment
  RSA427682B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 b Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  SDSU18658  Phacelia campanularia subsp. campanularia Michael G. Simpson, Kristen Hasenstab 2008-4-2 2948 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UC2026385  Phacelia campanularia subsp. vasiformis Louis C. Wheeler 1952-4-6 6855 Riverside JOSHUA TREE WILDERNESS; COTTONWOOD MOUNTAINS REGION: Near Cottonwood Spring. Comment
  RSA427686B  Phacelia cicutaria var. hispida Ora M. Clark 1929-3-17 1766 Riverside San Andreas Canyon [Riverside Co.?] Comment
  UCR144754  Phacelia cicutaria var. hispida Scott D. White, Michael Honer 2003-4-2 8907 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  JOTR31059  Phacelia cryptantha La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2042 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  CAS-BOT-BC133968  Phacelia distans Geo. B. Grant 1906-4-20 6780 Riverside Palm Springs Comment
  JEPS2319  Phacelia distans W. L. Jepson May 17 1901-Jun 1 1901 1276 Riverside Canyon of the San Jacinto River Comment
  POM73551  Phacelia distans Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA678268  Phacelia distans Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1078 Riverside Big Morongo Wash. 473 Comment
  RSA700024  Phacelia distans Scott D. White, Michael Honer 2003-4-25 9101 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
  SBBG101782  Phacelia distans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6067 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC809720  Phacelia distans Philip A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs; Colorado Desert, west end Eagle Mts. 1097 Comment
  UCR19172  Phacelia distans John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA0055025  Phacelia distans Jim Shevock 1971-3-6 741 Riverside White Tank, Joshua Tree National Monument. 1001 Comment
  UCR98837  Phacelia hastata subsp. hastata L. C. Wheeler 1945-10-6 6135 Riverside San Jacinto Mtns, head of west fork of Snow Creek 2378 Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  JOTR30257  Phacelia ivesiana Leary, C. and Leary, Pat 1979-5-6 3029 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  CAS-BOT-BC145044  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  JEPS86532  Phacelia minor Roy E. Buck 1988-4-1 869 Riverside e-facing slope above CA Hwy. 74 (near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Cyn and Johnson Cyn drainages, 7 air km w of Lake Elsinore); Elsinore Mountains 780 Comment
  RSA0047273  Phacelia minor J. Mark Porter, Lauren E. Machen 1997-2-15 11418 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA602235  Phacelia minor R. S. Woglum 1934-3-18 645 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  UC24422  Phacelia mutabilis H. M. Hall 1901-7 2480 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  RSA485840  Phacelia neglecta T. S. Elias 1988-2-26 10690 Riverside Northeastern section of Eagle Mtns east of Joshua Tree National Monument; growing in flat rocky area adjacent to boundary of Joshua Tree National Monument. Comment
  POM74226  Phacelia pedicellata Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  UCR18438  Phacelia pedicellata J. Olmstead 1966-4-8 s.n. Riverside Santa Rosa Mtns., Deep Canyon Reserve, Pipestrelle Canyon, near Boyd Center. 366 Comment
  UC729536  Phacelia ramosissima var. latifolia Carl B. Wolf 1932-5-24 3642 Riverside 1/2 mi below Fish Hatchey; No. base of San Jacinto Mts., Snow Creek Canyon 548 Comment
  RSA666662  Phacelia stellaris O. F. Clarke, Helga Forster 2000-03 s.n. Riverside Riverside, west of Santa Ana River oppsoite the south end of Mt. Rubidoux, SE of Flabob Airport, s of bend in Crestmore Rd. and 2 mi. S of Mission Blvd., E of co. Parks Hqtrs. 229 Comment
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Feb 7 2007
  RSA74835  Phacelia suaveolens subsp. keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
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Jul 21 2018
  POM3783  Phacelia tanacetifolia I. M. Johnston 1918-4-27 s.n. Riverside Near Corona. 274 Comment
  UCR113848  Phalaris canariensis Mitch Provance 2000-6-24 2055 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CDA2321  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  RSA797238  Philadelphus microphyllus subsp. pumilus Robert F. Thorne, Walter Wisura 1977-9-17 50774 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA773166  Phlox austromontana Duncan S. Bell, Valentin Arvizu 2010-5-24 1105 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  RSA0120627  Phoenix canariensis Duncan S. Bell, Thomas Stoughton 2016-3-16 8941 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  RSA420779  Phoradendron californicum Ora M. Clark 1929-2-23 1542 Riverside W. Whitewater. Comment
  UCD84929  Phoradendron californicum Chuck Hughes 2010-3-22 201 Riverside Edge of Rice-Midland Road. 268 Comment
  UCR120716  Phoradendron californicum Helen Kennedy, T. B. Salvato 2002-2-2 5455 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR169925  Phoradendron californicum A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29129 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA271146  Phoradendron villosum C. W. Tilforth, John Dourley, Walter Wisura 1978-3-10 1505 Riverside About 1/2 mi. east of El Cariso Forest Station along Ortega Hiway(74). Comment
  POM306734  Physalis crassifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1708 Riverside Near Desert Center-Indio. Comment
  RSA788987  Physalis crassifolia Aaron C. Sedgwick, David Fraker 2012-3-28 18 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  JEPS8969  Physalis philadelphica Mr. McGraw 1904-1 Riverside Riverside Comment
  CDA7185  Phytolacca americana A. C. Sanders, T. B. Salvato, Helen Kennedy, A. Salzman 2006-11-9 33220 Riverside San Bernardino Valley; Riverside, UCR Botanical Garden, subtropical fruit orchard on the north side of the garden. Comment
  POM13817  Pickeringia montana Philip A. Munz 1922-4-28 5057 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  UCSB9212  Pinus jeffreyi Koran, Jr., John 1958-5-16 Riverside 5.2 miles east of Idyllwild on Idyllwild-Banning Hwy. 1584 Comment
  UC64556  Pinus lambertiana H. M. Hall 1901-7-1 2617 Riverside near Tauquitz; San Jacinto Mountains 2438 Comment
  UCR19619  Pinus lambertiana B. Freeman 1969-3-23 690323- 2 Riverside San Jacinto Mtns., James Reserve. north of Indian Creek, 20-30 m from bridge. 1646 Comment
  CAS-BOT-BC78895  Pinus monophylla John Thomas Howell 1960-3-24 35150 A Riverside Pinyon Flat, [Palms-to-Pines] Palms to Pines Highway, San Jacinto Mts. Comment
  MACF014860  Pinus monophylla Lanny Southard 1964-12-8 13 Riverside Growing along Palms to Pines Highway 1219 Comment
  JEPS48198  Pinus quadrifolia Carl V. Meyer 1929-6-18 786 Riverside on Coahuila to Idyllwild Road; San Jacinto Mts., Summit of Hamilton Grade Comment
  RSA701503  Piperia transversa Naomi Fraga, Sarah J. De Groot 2004-7-8 1300 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  SD227712  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. Comment
  SD181658  Plagiobothrys canescens Scott d. White 1999-5-2 7282 Riverside Perris/sun City area, just east of Goetz road and south of Ethanac road. Ca. 1.5-2.0 miles west of I-215. 440 Comment
  UCR116792  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24154 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  SD260921  Plagiobothrys collinus Andrew C. Sanders, T. B. Salvato 2012-4-27 40089 Riverside Peninsular Range: Santa Ana Mtns Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and nouth of Mayhew Cyn (Lake Mathews 7.5'Q) 313 Comment
  POM368913  Plagiobothrys collinus var. californicus Albert J. Perkins 1895-04 s.n. Riverside Near Riverside, Calif. Comment
  RSA702727  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2004-4-6 10062 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SD244103  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy . Chumley 2013-4-2 40747 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 377 Comment
  UCR182310  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-5 6609 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  RSA601784  Plagiobothrys leptocladus D. Bramlet 1997-3-13 2492 Riverside Nichols Road Wetlands, the site is located 275m SE of Nichols road, 91m W of Collier Ave, 305m W of I15., The locality is E of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  RSA85111  Plagiobothrys nothofulvus J. C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  UC494752  Plagiobothrys nothofulvus Philip A. Munz 1932-3-24 12013 Riverside Corona 365 Comment
  UCR137711  Plagiobothrys nothofulvus D. L. Banks 1997-3-29 1565 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  SBBG53772  Plagiobothrys tenellus S. Boyd 1980-4-27 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UCSB10521  Plagiobothrys tenellus Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  UCR48174  Plagiobothrys undulatus R. F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  POM18171  Plantago bigelovii subsp. californica H. Baer 1922-4-1 s.n. Riverside Elsinore. Comment
  SD262338  Plantago elongata Mitch Provance, Jeremiah George, Matt K, Beyers, John Hazlett 2017-3-29 317 24 Riverside Elsinore Trough: Periodic E shoreline of Lake Elsinore (e.g. 1994) in the City of Lake Elsinore, A+- borderline with the Sedco Hills Neighborhood, City of Wildomar, in open space along W side of Mission Trail at Lewis St. (Lake Elsinore 7.5'Q) 387 Comment
  RSA262104  Plantago erecta E. W. Lathrop 1971-3-21 7459 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  CLARK-A1528-3429  Plantago insularis John C. Roos 1966-3-20 Riverside Comment
  JEPS24430  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  RSA727869  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC1279712  Plantago ovata David B. Dunn 1948-2-21 3686 Riverside n of Pushawalla Comment
  RSA554367  Plantago ovata var. fastigiata Theo Glenn 1992-3-31 92 -12 Riverside N side Eagle Mts, Storm Jade Mine. Comment
  UCD150032  Plantago ovata var. fastigiata G. Ledyard Stebbins 1966-1 64- 135 Riverside Above Palm Springs. Comment
  RSA771680  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4987 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UCR121235  Plantago patagonica Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2308 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM13874  Platanthera leucostachys E. C. Jaeger 1921-7-12 1169 Riverside Deer Springs. San Jacinto Mountains. Comment
  SDSU13610  Platanus racemosa W. Miller, C. Mosse 1972-7-19 Riverside 50 ft. from the river, 200 yards upriver from beaver dam. Comment
  POM13014  Platystemon californicus P. A. Munz, I. M. Johnston 1922-5-20 5457 Riverside Kenworthy, San Jacinto Mountains 1402 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
  RSA192099  Plectritis ciliosa subsp. insignis E. W. Lathrop 1965-4-4 5618 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA0013229  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 45 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  POM122532  Pleurocoronis pluriseta Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  CAS-BOT-BC246626  Poa howellii S. B. Parish 1907-4-18 6141 Riverside Tahquitz on West Canon [Canyon], Palm Springs. Western border of the Colorado Desert 200 Comment
  HSC65767  Poa secunda subsp. secunda E. W. Lathrop 1965-4-4 5635 Riverside 8 miles west of Murrieta. Comment
  CAS-BOT-BC413754  Polygonum argyrocoleon Lewis S. Rose 1962-3-2 62011 Riverside La Quinta 3 Comment
  UCR16524  Polygonum argyrocoleon John Dean 1965-4-15 s.n. Riverside Sonoran (Colorado) Desert, 0.5 miles south of McCoy Wash mouth 91 Comment
  POM48737  Polygonum aviculare subsp. aviculare P. A. Munz, I. M. Johnston 1924-7-29 8822 Riverside Banning Idyllwild Road. 945 Comment
  UCR24909  Polygonum douglasii subsp. douglasii A. C. Sanders 1980-7-22 1719 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  UCR160892  Polygonum fagopyrum T. B. Salvato 2002-10-16 106 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  POM224746  Polygonum lapathifolium P. A. Munz 1935-10-21 14653 Riverside Santa Ana River, below Rincon. Comment
  UCR58453  Polygonum lapathifolium George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns., Edge of Lake Hemet 1400 Comment
  UCR89815  Polygonum lapathifolium 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
  UCR82905  Polypogon australis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15799 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA570754  Polypogon interruptus Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 s.n. Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA385496  Polypogon viridis Albert J. Perkins 1916-4-16 s.n. Riverside Near Palm Canyon. Comment
  LA204817  Polystichum kruckebergii Lawrence L. Kiefer; 1966-7-24 2281 Riverside San Jacinto Mountains, 0.25 mi NW of the summit of Tahquitz Canyon 2590 Comment
  UCSB26907  Polystichum munitum Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1 at Dark Canyon, 7 miles N of Idyllwild, San Jacinto Mtns. Comment
  UC1561679  Polystichum scopulinum Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7430 Riverside n side of Red Tahquitz Peak (head of Andreas Canyon); San Jacinto Mts. 2438 Comment
  RSA5075  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Along the Colorado River near the Blythe Bridge. 91 Comment
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Mar 26 2011
  SEINET10538902  Populus fremontii David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3632 Riverside Pushawalla canyon, indio hills. Dry january; no rain since mid-december. Plants Still growing even on top of the desert pavement. Very warm; the cottonwoods Still had many of last year's leaves and were leafing out anew. Found beside Quad 1. Comment
  POM122002A  Populus fremontii subsp. fremontii Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Springs near Temecula. 366 Comment
  PASA1571  Porophyllum gracile Margaret Stason April 1932 Riverside Few miles west of Blythe Comment
  RSA457782  Porophyllum gracile Steve Boyd, Richard Noyes, Sara Meury, D. Nordin, Timothy S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA717463  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  JOTR01282  Porophyllum gracile Cole, James E. 1941-5-21 757 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  UCR37485  Potamogeton crispus Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  SD68964  Potamogeton foliosus Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37593 Riverside Santa Rosa Plateau: small stream near roadside, Rancho California 609 Comment
  RSA761864  Potentilla glandulosa Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 698 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS47218  Potentilla gracilis Carl V. Meyer June 1927 188 Riverside Saunder's Meadow Comment
  SEINET3269556 Image available Prosopis glandulosa var. torreyana M. F. Wojciechowski 2000-4-5 875 Riverside Ca. 5 mi north of Blythe along US 95. Comment
  UCR269109  Prosopis glandulosa var. torreyana Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4484 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 488 Comment
  CLARK-A1656-891  Prosopis pubescens Jim Cornett 1977-7-11 Riverside Thousand Palms Canyon 182 Comment
  CLARK-A1528-4030  Prunus fasciculata John C. Roos 1966-3-20 Riverside Eagle Mountains Comment
  RSA453231  Prunus fasciculata M. B. Dunkle 1934-2-25 3851 -b Riverside Dry Morongo, Colorado Desert. 244 Comment
  CAS-BOT-BC151117  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 186 Riverside Andreas Canyon near Palm Springs, trail toward Eagle Peak 670 Comment
  UC400189  Prunus fremontii Ynes Mexia 1929-2-16 2327 Riverside near Palm Springs; Murray Canyon, Colorado Desert Comment
  UCR49245  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR43352  Prunus ilicifolia subsp. ilicifolia R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61195 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  CAS-BOT-BC356345  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca-Blythe Road Comment
  POM308524  Psathyrotes ramosissima Henry J. Ramsey, Ramsey 1939-11-28 3171 Riverside 15 miles east of Indio Comment
  SBBG100841  Psathyrotes ramosissima W. L. Halvorson 1977-3-8 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SBBG44957  Psathyrotes ramosissima E. Braunton 1940-4-3 2013 Riverside Berdoo Cyn, 20 mi E of Indio 304 Comment
  UC90699  Psathyrotes ramosissima unknown Nov 1891 Riverside Salton Comment
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Sep 11 2011
  UCR113590  Pseudognaphalium biolettii A. C. Sanders 1998-1-15 21634 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  CAS-BOT-BC356792  Pseudognaphalium californicum Peter H. Raven 1958-5-17 12953 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA690946  Pseudognaphalium luteoalbum Scott D. White, D. Flietner 1998-12-2 7196 Riverside Temescal Canyon - Lake Elsinore area. 365 Comment
  UCR121824  Pseudognaphalium stramineum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24599 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA526504  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross 1990-5-11 4699 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA785188  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 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
  UCR228254  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2011-4-1 38932 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UC1523586  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51970 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  CAS-BOT-BC362109  Psilostrophe cooperi Philip A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  SD247348  Psilostrophe cooperi A. C. Sanders 2015-9-11 41868 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline rd. Large wash. 646 Comment
  UCR186149  Psilotum nudum A. C. Sanders, Robert Krueger, T. B. Salvato 2006-11-8 33211 Riverside Riverside: [weed] in UCR Citrus Variety Collection, Agricultural Operations area west of Canyon Crest Dr. 311 Comment
  CAS-BOT-BC353613  Psorothamnus emoryi D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2879 Riverside Pushawalla Canyon, Indio Hills Comment
  JOTR35985  Psorothamnus emoryi Harding, Mitzi, Mark Wheeler 2012-9-4 196 Riverside Joshua Tree National Park. Pinto Basin; north end of sand ramps west of Pinto Mtn; fine sand ramps and dunes (stop 2) 516 Comment
  UCR17308  Psorothamnus emoryi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  UCR263503  Psorothamnus emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 018 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  CAS-BOT-BC340917  Psorothamnus schottii Carl B. Wolf 1932-4-27 2990 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  JOTR31811  Psorothamnus schottii La Doux, Tasha, Bill Truesdell 2007-11-9 2519 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Mouth of canyon parallel to and east of Lost Palms Canyon (Stop 4) 649 Comment
  UCSB3058  Psorothamnus schottii Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  SEINET7453014  Psorothamnus schottii H. M. Hall 5990 Riverside Colorado Desert, near Indio 30 Comment
  JOTR32399  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  UC945498  Psorothamnus spinosus Howard Scott Gentry 1938-7-6 3789 Riverside Coachella Valley Comment
  UCD108391  Psorothamnus spinosus Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  JOTR34218  Pterostegia drymarioides La Doux, Tasha, M. Harding 2010-4-7 3025 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR172261  Pterostegia drymarioides 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
  JOTR31120  Purshia tridentata var. glandulosa La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2503 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
  UC1092709  Purshia tridentata var. glandulosa Eamor C. Nord 1957-5-14 16 Riverside 1 mi e Nightingale 1310 Comment
  UCR266599  Quercus Mitch Provance 2009-9-10 17427 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  JEPS37680  Quercus X morehus W. L. Jepson May 17 1901-Jun 1 1901 1444 Riverside Santa Rosa Indian Village Comment
  CAS-BOT-BC418623  Quercus agrifolia Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-11 673 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  POM319728  Quercus agrifolia var. agrifolia Patricia Wilder 1971-9-29 5286 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  SDSU13475  Quercus agrifolia var. agrifolia James C. Dice, Ruth Miller 1987-11-23 753 Riverside Santa Margarita Ecological Reserve: near northeast edge of Reserve, at north edge of Eucalyptus planting. T8S, R3W, Section 22. 366 Comment
  UCR138601  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  UCR158905  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31550 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  RSA597520  Quercus chrysolepis Louis C. Wheeler 1945-10-6 6128 Riverside San Jacinto Mountains. North fork San Jacinto River. 1890 Comment
  UCD45551  Quercus chrysolepis E. W. Lathrop 1966-5-29 6383 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest, Riverside Co. Elevation 4000 1219 Comment
  CDA31210  Quercus engelmannii Mike Lahti 2010-2-8 PDR# 1501957 Riverside West of the city of Temecula, near the San Diego and Riverside County line. 0 Comment
  RSA477131  Quercus wislizeni var. frutescens Christopher Davidson 1977-5-18 5631 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA560406  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA660563  Rafinesquia californica Bruce Albert 1982-4-17 41 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  RSA704013  Rafinesquia californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 133 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 363 Comment
  RSA731015  Rafinesquia californica Michael Wall 2008-4-18 447 Riverside San Jacinto Valley, Bautista Canyon SE of Hemet, ca. 5.5 miles SE of Fairview Ave. 746 Comment
  SD152922  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail downstram to the confluence with San Mateo Creek. 334 Comment
  RSA682861  Rafinesquia neomexicana Scott D. White 2003-3-23 8833 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UC1929701  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10490 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC35852  Rafinesquia neomexicana W. G. Wright 1890-1 1752 Riverside Colorado Desert Comment
  RSA400024  Ranunculus californicus W. P. Burger 1979-4-29 61 Riverside Hidden Valley Hang Gliding Site. Near Lake Elsinore. 610 Comment
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Jul 22 2010
  UCR201654  Ranunculus californicus Scott D. White, Justin M. Wood 2008-5-15 12006 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA721994  Ranunculus hebecarpus R. Weatherby 1950-5-18 2972 Riverside Hagador 915 Comment
  UCR30480  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 427 Comment
  UC1584128  Ranunculus sceleratus Steve Boyd and Tim Ross 1989-8-28 3807 Riverside Temecula Creek Vail Lake area (at confluence with lake and adjacent sedimentary hills to e) 441 Comment
  UCR4160  Raphanus sativus R. H. Sauer 1965-3-1 s.n. Riverside City of Riverside, west end of Big Springs Road 335 Comment
  UCR58482  Rhamnus crocea Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  SBBG87983  Rhamnus ilicifolia L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau Comment
  UCR113734  Rhamnus ilicifolia Mitch Provance 2000-5-5 2019 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR156283  Rhamnus ilicifolia T. B. Salvato, Kent Beaman 2005-5-16 857 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
  UCR270189  Rhamnus ilicifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42405 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  PASA1596  Rhododendron occidentale Sally Ellis 1939-6-24 Riverside Halona Comment
  CAS-BOT-BC200033  Rhododendron occidentale var. californicum Louis C. Wheeler 1931-10-4 205 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UC63851  Rhus H. M. Hall 1898-4-9 875 Riverside Temescal Comment
  POM210815  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mountains. 1067 Comment
  RSA650233  Rhus ovata Phil Elliott 1981-2-16 10 Riverside S. of Lake Elsinore, On CA Hwy 74. 4.2 miles south of Grand 548 Comment
  UC534836  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 mi e Pinyon Flat; Santa Rosa Mountains 1066 Comment
  UCR120945  Rhus ovata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24918 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR87634  Rhus ovata A. C. Sanders 1994-5-29 14549 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  RSA162815  Ribes californicum var. hesperium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  RSA263679  Ribes californicum var. hesperium E. W. Lathrop 1968-5-22 6925 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC173140  Ribes indecorum Raymond Lindholm 1961-2-27 s.n. Riverside Reche Canyon Comment
  CLARK-A1528-6880  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  HSC86990  Ribes indecorum Maureen Pendleton 1988-2-22 Riverside Rancho California area, ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 701 Comment
  RSA523482  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  UCR142206  Ribes indecorum June Latting 1979-4-1 s.n. Riverside Box Springs Mountain 915 Comment
  UCR278098  Ribes indecorum A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42672 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  LA205474  Ribes malvaceum var. viridifolium W. E. Pequegnat; 1939-4-8 30 Riverside Santa Rosa Mountains Comment
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Mar 12 2014
  POM15061  Ribes malvaceum var. viridifolium Mary F. Spencer 1922-4-22 1887 Riverside Canyon Prope [near] Banning 701 Comment
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Mar 13 2011
  CAS-BOT-BC212235  Ribes quercetorum Philip A. Munz 1937-5-31 15120 Riverside Anza Tablet, head of Coyote Canyon, S.W. Riverside County 1066 Comment
  RSA615141  Ribes quercetorum A. C. Sanders, O. F. Clarke, H Foster 1997-3-2 19766 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  CLARK-A1528-364  Rorippa nasturtium-aquaticum Stephen J. Southwell 1971-5-25 Riverside West Riverside 304 Comment
  CSUSB1435  Rorippa nasturtium-aquaticum R. L. Irwin 1962-4-21 0033 Riverside By Dam at north west end of Lake Evans 243 Comment
  CAS-BOT-BC147540  Rosa californica P. C. Everett 1935-6-18 7180 Riverside Santa Ana Mts., main divide motorway to Santiago Pk., 1 mi. from Ortega Highway 731 Comment
  GMDRC6588  Rosa californica J. M. Andre 2012-6-15 30551 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA761753  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 648 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA768248  Rosa californica Justin M. Wood 2010-5-19 1848 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  UCR24927  Rosa californica A. C. Sanders 1980-7-18 1661 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCSC000942  Rosa californica Peter Kamb 1948-7-11 1196 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  UCSB25047  Rumex acetosella Thoe, J. 1966-3-19 Riverside South of Esperanza Rd. 1 mile east of Broadway in Cabazon, San Jacinto Mts. 609 Comment
  UCSB14952  Rumex californicus Breedlove, Dennis 1961-8-5 Riverside along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
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Nov 24 2014
  UCR171905  Rumex hymenosepalus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  CDA2894  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  SEINET13203160 Image available Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-1 1412 Riverside Peninsular Range: Gavilan Hills, c. 0.75 mile south-southeast of Stelle Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore (Lake Elsinore 7.5' Q.) 579 Comment
  UC56649  Rumex salicifolius var. denticulatus Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR100700  Rumex salicifolius var. denticulatus Scott D. White 1997-5-25 5247 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  SEINET3005062  Rumex salicifolius var. mexicanus G. Rink 2011-4-30 10500 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA697858  Salazaria mexicana J. R. Bruff 1928-4-2 113 Riverside Canyon W of Morengo Comment
  CAS-BOT-BC103896  Salix exigua Ivan Johnston 1917-4-4 1068 Riverside Andreas [Canon] Canyon 289 Comment
  POM2076  Salix exigua I. M. Johnston 1918-5-26 1994 Riverside Santa Ana River, NW of Corona. 152 Comment
  SBBG33641  Salix exigua T. L. Secrest 1951-5-20 Riverside ca. 6 mi S of Banning 1219 Comment
  UCR147804  Salix exigua Steve Boyd, Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR167974  Salix exigua T. B. Salvato, John F. Green 2004-5-27 654 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
  UC506446  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-19 7677 Riverside Comment
  RSA479853  Salix gooddingii L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado River Valley at Blythe. 91 Comment
  RSA736790  Salix gooddingii Scott D. White, Angelia Carey 2004-7-2 10597 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD80103  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains, along water service road 1317 Comment
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC482398  Salix laevigata unknown 1932-6-5 924 Riverside Eagle Canyon Colorado Desert, Santa Rosa Mts, Eagle Canyon Comment
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Mar 11 2011
  UC717266  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UCR17443  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-2-13 334 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' up from Zabriskie-335, immediately below Andreas Canyon Clubhouse, Andreas Canyon, E slope of mountains Comment
  UC1134994  Salix lasiolepis A. Lewis 1934-5-1 410 Riverside San Juan Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  RSA752877  Salix scouleriana Orlando Mistretta 2009-7-10 4002 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
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Jun 29 2015
  RSA413244  Salsola tragus James C. Dice, J. DeWald 1987-9-28 730 Riverside North side of Temecula Gorde, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. 330 Comment
  SDSU13042  Salsola tragus James C. Dice, J. Dewald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UCR262251  Saltugilia latimeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3746 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA469678  Saltugilia splendens E. C. Jaeger 1921-6-18 5457 Riverside San Jacinto Mountains: Caramba, Tahquitz Creek. 1829 Comment
  UC23850  Saltugilia splendens subsp. splendens H. M. Hall June, 1901 2305 Riverside in canyons of the w side San Jacinto Mountains Comment
  UCR37127  Salvia X bernardina K. R. Neisess 1983-6-16 505 Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  RSA257046  Salvia apiana W. Pequegnat 1940-5-17 s.n. Riverside Bedford Truck Trail, Santa Ana Mountains. 427 Comment
  UCR140707  Salvia apiana A. C. Sanders 2004-5-12 27864 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR201000  Salvia carduacea Justin M. Wood, Scott D. White and Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  IRVC2083  Salvia columbariae Jim Pierce 1965-4-7 none Riverside Blythe. Sonoran Desert Comment
  JOTR31858  Salvia columbariae La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2115 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA175251  Salvia columbariae Robert F. Thorne 1963-3-29 32435 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 534 Comment
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Apr 24 2011
  RSA401476A  Salvia columbariae Bonnie C. Templeton 1930-4-9 1004 Riverside Palm Springs. 600 Comment
  UCR228934  Salvia columbariae A. C. Sanders 2011-4-6 39022 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
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 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
  HSC49196  Salvia columbariae var. columbariae D. L. Goforth 1979-4-11 105 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  RSA0034463  Salvia columbariae var. columbariae Bruce Albert 1982-4-17 70 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  UC1463875  Salvia eremostachya Jeanine Derby 1976-4-28 Riverside Santa Rosa Mts. 1158 Comment
  UC63769  Salvia eremostachya H. M. Hall May 17 1901-Jun 1 1901 1863 Riverside e base San Jacinto Mts. 609 Comment
  SBBG71102  Salvia greatae E. C. Jaeger 1926-2-20 Riverside Salt Crk Wash above Dos Palmos Comment
  SBBG97213  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UC63771  Salvia mellifera H. M. Hall May 1899 Riverside Reche Canyon Comment
  RSA785973  Salvia mohavensis Doris Bowers 1978-3-19 2534 Riverside Wild Horse Canyon 1280 Comment
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Apr 7 2013
  UCLA69827  Salvia mohavensis C. Epling and Wm. Robison 1933-6-27 Riverside 5 mi s Gold Coin Mine; Little San Bernardino Mts. Comment
  RSA434173  Salvia pachyphylla N. R. Zabriskie, Walter Zabriskie 1971-8-21 438 Riverside Below Santa Rosa Spring Camp, Santa Rosa Mountain road. 2195 Comment
  SD232709  Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mtns. Canyon E of Fan Hill just outside Joshua Tree nat. Park. 550 Comment
  SEINET2065848 Image available Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mts., Canyon E of Fan Hill, just outside Joshua Tree Natl. Park 548 Comment
  RSA771747  Sambucus mexicana Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4766 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 W116.65125 604 Comment
  UCR169318A  Sambucus mexicana T. B. Salvato, John F. Green 2004-5-27 618 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
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA552728  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross 1992-3-31 6770 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  UCR138654  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UC1424822  Sanicula graveolens E. W. Lathrop 1977-4-20 7611 Riverside 4 mi w of Corona (Summit of Santiago Peak, Skyline Drive, between Tin Mine Canyon and Santiago Peak, Skyline Drive); Santa Ana Mountains, Santiago Peak, Skyline Drive Comment
  UCR22018  Sarcostemma cynanchoides Steve Boyd 1980-9-16 353 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR19460  Sarcostemma hirtellum Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring junction 945 Comment
  SD114967  Satureja chandleri Earl W. Lathrop 1966-5-11 6287 Riverside 3.0 miles west of Murrieta on the De Luz Road. Comment
  UCR40932  Schinus polygamus A. Kelly 1985-1 s.n. Riverside Riverside, yard at 4081 Glenwood, l block north of 14th Street. Comment
  RSA0014458  Schismus arabicus Justin M. Wood, J. Miner 2010-4-29 1531 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  SBBG18233  Schismus barbatus M. A. Piehl 1963-6-1 63526 Riverside E edge of Banning Comment
  UC907586  Schismus barbatus Curtis Bowser 1946-3-13 Riverside near Thermal Comment
  RSA708155  Schoenoplectus americanus Scott D. White, Angelia Carey 2004-5-7 10352 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR264629  Schoenoplectus americanus Mitch Provance 2012-6-19 196- 07 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UC840545  Scirpus americanus Ivan Johnston 1917-4-4 Riverside along creek (Palm Canyon, Colorado Desert, Southern California); Colorado Desert, Palm Canyon 274 Comment
  RSA180426  Scirpus microcarpus E. W. Lathrop 1965-5-7 5715 -B Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA500152  Scirpus microcarpus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3649 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA747274  Scrophularia Orlando Mistretta 1992-6-10 530 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UC1537424  Scrophularia californica Gordon H. True Jr. 1935-3-1 30 Riverside Box Springs 365 Comment
  UC27614  Scrophularia californica Geo. F. Reinhardt Riverside San Jacinto Valley Comment
  CHSC21423  Selaginella bigelovii Robert A. Schlising; Et al 1963-12-14 2651 Riverside White Water Canyon, few miles north of White Water on Highway 60. Comment
  POM12525  Selaginella bigelovii Philip A. Munz, D. Keck 1922-4-14 5007 Riverside East of White Water Ranch 244 Comment
  RSA134367  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water 426 Comment
  RSA495801  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2910 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  RSA559463  Selaginella bigelovii Steve Boyd, T. S. Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR90978  Selaginella bigelovii Scott D. White 1996-3-23 3844 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  POM12933  Selaginella watsonii Philip A. Munz 1922-6-27 5869 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  UC279628  Selaginella watsonii E. C. Jaeger 1921-7-2 563 Riverside San Jacinto Peak 3293 Comment
  RSA0125051  Senecio californicus Henry J. Ramsey, Henry J. Ramsey 1959-4-22 s.n. Riverside Aguanga. Comment
  CDA26838  Senecio flaccidus var. douglasii Mike Lahti 2008-10-27 PDR# 1509242 Riverside Temecula, found in field near Los Caballos and Pauba Rd. 0 Comment
  RSA500156  Senecio flaccidus var. douglasii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-4 3645 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA596159  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 60 m E of its intersection with Pechanga Creek. 396 Comment
  SD137853  Senecio flaccidus var. douglasii Darin L. Banks, Steve Boyd 1995-5-17 448 Riverside Agua Tiobia Mountains; north face of Agua Tibia Mountain, east of the Dripping Springs Alcove. 594 Comment
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May 20 2013
  SEINET3143117  Senecio flaccidus var. douglasii W. B. Crockatt sn Riverside Prado 91 Comment
  RSA0124179  Senecio flaccidus var. douglasii N. C. Cooper 1944-7-15 1604 Riverside Palms to Pines Hwy, San Jacinto Mountain. 701 Comment
  CAS-BOT-BC364136  Senecio mohavensis Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2197 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA544438  Senecio vulgaris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6345 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  RSA613317  Senecio vulgaris D. L. Banks 1997-3-1 1382 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SD229145  Senegalia greggii Dick Schwenkmeyer 2012-10-16 844 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  HSC82846  Sesbania exaltata A. C. Sanders 1